阅读说明：本技术 一种金属制品及其制造方法、成型切割模 (Metal product and manufacturing method thereof and forming cutting die ) 是由 刘佩婷 蔡旗龙 于 2020-07-15 设计创作，主要内容包括：本发明实施例公开了一种金属制品及其制造方法、成型切割模,金属制品包括：金属本体,金属本体被划分成多个子金属块,多个子金属块呈阵列状排列；相邻子金属块相连接,且相邻子金属块的连接处形成分割槽,分割槽设有尖角和标定的形态；多个子金属块呈至少两种预设尺寸,每种预设尺寸的子金属块分别具有预设的重量,不同预设尺寸的子金属块的尺寸和重量具有预设的关系。本发明将原本固定单一的产品结构变成了可灵活定制组合、可拆分成标准小微块的结构,将原本制造效率低下、成本高昂的小微化、定制化产品通过组合批量化生产方式实现了低成本、高效率的生产,解决市场痛点。(The embodiment of the invention discloses a metal product, a manufacturing method thereof and a forming cutting die, wherein the metal product comprises the following components: the metal body is divided into a plurality of sub-metal blocks which are arranged in an array shape; the adjacent sub-metal blocks are connected, and a dividing groove is formed at the joint of the adjacent sub-metal blocks and is provided with a sharp corner and a calibrated form; the plurality of sub-metal blocks are in at least two preset sizes, the sub-metal blocks in each preset size respectively have preset weight, and the sizes and weights of the sub-metal blocks in different preset sizes have a preset relation. The invention changes the original fixed single product structure into a structure which can be flexibly customized and combined and can be split into standard small micro-blocks, realizes the low-cost and high-efficiency production of the original small micro-and customized products with low manufacturing efficiency and high cost through a combined batch production mode, and solves the market pain point.)

1. A metal article, characterized in that it comprises:

a metal body (10), wherein the metal body (10) is divided into a plurality of sub-metal blocks (11), and the plurality of sub-metal blocks (11) are arranged in an array;

the adjacent sub-metal blocks (11) are connected, a dividing groove (12) is formed at the connection position of the adjacent sub-metal blocks (11), and the dividing groove (12) is provided with a sharp corner and a calibrated form;

the plurality of sub-metal blocks (11) are in at least two preset sizes, each sub-metal block (11) with the preset size is provided with a preset weight, and the sizes and the weights of the sub-metal blocks (11) with different preset sizes are in a preset relation.

2. The metal product according to claim 1, characterized in that the shape of a plurality of said sub-metal blocks (11) is one preset shape, or the shape of a plurality of said sub-metal blocks (11) comprises at least two preset shapes.

3. The metal article of claim 2, wherein the predetermined shape comprises at least one of a square, a rectangle, a diamond, and a triangle.

4. A metal article according to claim 3, wherein the predetermined shape comprises a square and a rectangle.

5. Metal product according to claim 4, characterized in that the submetals (11) of each row are of equal width, the width direction being perpendicular to the thickness direction of the metal body (10); and/or the lengths of the sub-metal blocks (11) in each row are equal, and the length direction is perpendicular to the thickness direction of the metal body (10).

6. The metal product according to claim 1, wherein the plurality of sub-metal blocks (11) comprises a base sub-metal block (111) and a non-base sub-metal block (112), the base sub-metal block (111) being dimensioned and the base sub-metal block (111) being weighted by a nominal weight;

the size of the non-basic sub-metal block (112) is a first integral multiple of the specified size, the weight of the non-basic sub-metal block (112) is a second integral multiple of the specified weight, and the first integral multiple and the second integral multiple are equal in size.

7. Metal article according to claim 6, characterised in that the number of elementary sub-metal blocks (111) is greater than or equal to 2; and/or the presence of a gas in the gas,

the non-base submetals (112) include one or more dimensions.

8. A metal product according to claim 1, characterized in that the dividing groove (12) is of symmetrical construction.

9. A metal product according to claim 8, characterized in that the shape of the outer edge of each sub-slug (11) located outermost on the metal body (10) is the same as the shape of the part located on the side of the middle axis on the dividing groove (12).

10. A metal product according to claim 1, characterized in that the dividing groove (12) is a V-groove (121).

11. The metal product according to claim 10, characterized in that the apex angle of the V-groove (121) is a sharp angle, the precision of the sharp angle of the V-groove (121) being greater than or equal to 0.005mm and less than or equal to 0.02 mm; and/or the presence of a gas in the gas,

the vertex angle bisector of the V-shaped groove (121) is perpendicular to the bottom surface of the sub metal block (11), and the vertex angle of the V-shaped groove (121) is larger than 60 degrees and smaller than or equal to 150 degrees; and/or the presence of a gas in the gas,

the opening width of the V-shaped groove (121) is greater than or equal to the depth of the V-shaped groove (121); and/or the presence of a gas in the gas,

the vertical distance from the vertex of the V-shaped groove (121) to the bottom surface of the sub metal block (11) is greater than or equal to 0.1mm and less than or equal to 0.3 mm.

12. A metal product according to claim 1, characterized in that the dividing groove (12) is a U-shaped groove (122).

13. The metal product according to claim 12, characterized in that the bottom of the U-shaped groove (122) has a pointed angle of V-shape, the precision of the pointed angle of the U-shaped groove (122) being greater than or equal to 0.005mm and less than or equal to 0.02 mm; and/or the presence of a gas in the gas,

the sharp angle bisector of the U-shaped groove (122) is perpendicular to the bottom surface of the sub-metal block (11), and the sharp angle of the U-shaped groove (122) is larger than 60 degrees and smaller than or equal to 150 degrees; and/or the presence of a gas in the gas,

the vertical distance from the top point of the U-shaped groove (122) to the bottom surface of the sub metal block (11) is greater than or equal to 0.1mm and less than or equal to 0.3 mm.

14. The metal product according to claim 1, wherein the sub-metal pieces (11) on both sides of the dividing groove (12) are forced to divide the adjacent sub-metal pieces (11) along the dividing groove (12), and the error between the weight of each divided sub-metal piece (11) of a predetermined shape and the nominal weight of the sub-metal piece (11) of the predetermined shape is less than or equal to +0.01g and greater than or equal to-0.01 g.

15. A metal product according to claim 1, characterized in that the surface of each of said sub-metal blocks (11) is provided with a pattern.

16. A metal product according to claim 15, characterized in that the patterns of the submetals (11) of different said preset sizes are different.

17. Metal product according to claim 15, characterized in that the patterns of the submetals (11) of different preset sizes are identical.

18. The metal article of claim 15, wherein the pattern comprises one or more of a word, a symbol, a graphic, a texture, a drawing, or an image.

19. The metal product of claim 1, wherein the metal product is a noble metal.

20. A method of manufacturing a metal article according to claim 1, the method comprising:

placing a plurality of mold cores (150) in a mold bin (140) of a forming and cutting mold, wherein the forming and cutting mold comprises a mold frame (110), a first press fit mold (120) and a second press fit mold (130) which are arranged on the mold frame (110), the first press fit mold (120) is slidably arranged on the mold frame (110), the first press fit mold (120) and the second press fit mold (130) are matched to form the mold bin (140), the plurality of mold cores (150) are arranged in an array shape, the bottoms of the plurality of mold cores (150) are abutted against one side, facing the first press fit mold (120), of the second press fit mold (130), the top edge of each mold core (150) is provided with a cutting edge (153), the whole formed by adjacent cutting edges (153) of adjacent mold cores (150) is matched with a dividing groove (12) of a metal product, the tops of the cutting edges (153) are sharp corners, and the heights of the plurality of mold cores (150) are equal, the sizes of the tops of the plurality of the mold cores (150) comprise at least two, and the sizes of the tops of the plurality of the mold cores (150) correspond to at least two preset sizes of the plurality of the sub-metal blocks (11) of the metal product;

placing a standard metal sheet (20) with a flat surface into the mold bin (140) and on top of the plurality of mold cores (150);

-applying pressure to the first press nip (120) such that the first press nip (120) moves towards the second press nip (130) obtaining the metal product.

21. The method according to claim 20, wherein the shape of the top of a plurality of said mould cores (150) corresponds to the shape of a plurality of said sub-metal blocks (11) of said metal product;

wherein the shape of the top of the plurality of cores (150) is one shape, or the shape of the top of the plurality of cores (150) includes at least two shapes.

22. The method of claim 21, wherein the shape of the tops of the plurality of mold cores (150) comprises at least one of a square, a rectangle, a diamond, and a triangle.

23. The method of claim 22, wherein the shape of the tops of the plurality of mold cores (150) comprises a square and a rectangle.

24. The method of claim 23, wherein the tops of the mold cores (150) in each row are of equal width, the width direction being perpendicular to the height direction of the mold cores (150); and/or the top of each row of the mold cores (150) is equal in length, and the length direction is perpendicular to the height direction of the mold cores (150).

25. The method of claim 20, wherein the plurality of mold cores (150) comprises a base mold core (151) and a non-base mold core (152), wherein a top of the base mold core (151) is dimensioned and a cavity at the top of the base mold core (151) is dimensioned;

the size of the top of the non-basic mold core (152) is a third integral multiple of the specified size, the capacity of the cavity at the top of the non-basic mold core (152) is a fourth integral multiple of the specified capacity, and the third integral multiple and the fourth integral multiple are equal in size.

26. Method according to claim 25, characterized in that the number of basic mold cores (151) is greater than or equal to 2; and/or the presence of a gas in the gas,

the top of the non-basic mold core (152) includes one or more dimensions.

27. The method of claim 20, wherein the cut edges (153) of each core (150) are identical, and adjacent cut edges (153) of adjacent cores (150) form an integral V-shaped ridge.

28. The method of claim 27, wherein the apex angle of the V-shaped ridge is a sharp angle, the precision of the sharp angle of the V-shaped ridge being greater than or equal to 0.005mm and less than or equal to 0.02 mm; and/or the presence of a gas in the gas,

the bisector of the vertex angle of the V-shaped convex edge is vertical to the top of the mold core (150), and the vertex angle of the V-shaped convex edge is larger than 60 degrees and smaller than or equal to 150 degrees; and/or the presence of a gas in the gas,

the width of the bottom of the V-shaped convex rib is larger than or equal to the height of the V-shaped convex rib.

29. The method of claim 20, wherein the cut edges (153) of each core (150) are identical, and adjacent cut edges (153) of adjacent cores (150) form an integral U-shaped rib.

30. The method of claim 29, wherein the top of the U-shaped fin has a sharp corner of the V-shape, the sharp corner of the U-shaped fin having a precision of greater than or equal to 0.005mm and less than or equal to 0.02 mm; and/or the presence of a gas in the gas,

the sharp angle bisector of the U-shaped convex rib is perpendicular to the top of the mold core (150), and the sharp angle of the U-shaped convex rib is larger than 60 degrees and smaller than or equal to 150 degrees.

31. The method of any of claims 27 to 30, wherein the opposing surfaces of the two cut edges (153) of each mold core (150) comprise inclined surfaces, and the opposing surfaces of the two cut edges (153) of each mold core (150) are vertical surfaces perpendicular to the top of the mold core (150).

32. The method of claim 20, wherein the second clamp die (130) is slidably disposed on the mold frame (110).

33. The form-cutting die for metal products of claim 1, characterized in that it comprises a die frame (110), a first press die (120) and a second press die (130) arranged on the die frame (110), the first press die (120) is slidably arranged on the die frame (110), and the first press die (120) and the second press die (130) cooperate to form a die chamber (140);

the forming and cutting die also comprises a plurality of movable die cores (150), after the plurality of die cores (150) are placed in the die bin (140), the plurality of die cores (150) are arranged in an array shape, the bottoms of the plurality of the mold cores (150) abut against one side, facing the first press-fit mold (120), of the second press-fit mold (130), the top edge of each mold core (150) is provided with a cutting edge (153), the whole formed by the adjacent cutting edges (153) of the adjacent mold cores (150) is matched with the dividing groove (12) of the metal product, the top of the cutting edge (153) is a sharp corner, the heights of the mold cores (150) are equal, the sizes of the tops of the plurality of the mold cores (150) comprise at least two, and the sizes of the tops of the plurality of the mold cores (150) correspond to at least two preset sizes of the plurality of the sub-metal blocks (11) of the metal product;

after a standard metal sheet (20) with a flat surface is placed in the die cabin (140) and on top of the plurality of die cores (150), pressure is applied to the first press die (120) so that the first press die (120) moves towards the second press die (130), the metal product is obtained.

34. The form-cutting die of claim 33, wherein the shape of the tops of a plurality of said cores (150) corresponds to the shape of a plurality of said sub-metal blocks (11) of said metal article;

wherein the shape of the top of the plurality of cores (150) is one shape, or the shape of the top of the plurality of cores (150) includes at least two shapes.

35. The form cutting die of claim 34, wherein a shape of a top of said plurality of said die cores (150) comprises at least one of a square, a rectangle, a diamond, and a triangle.

36. The form cutting die of claim 35, wherein the shape of the tops of said plurality of said die cores (150) comprises a square and a rectangle.

37. The form-cutting die of claim 36, wherein the tops of the die cores (150) of each row are of equal width, the width direction being perpendicular to the height direction of the die cores (150); and/or the top of each row of the mold cores (150) is equal in length, and the length direction is perpendicular to the height direction of the mold cores (150).

38. The form cutting die of claim 33, wherein said plurality of cores (150) comprises a base core (151) and a non-base core (152), the top of said base core (151) being dimensioned and the cavity at the top of said base core (151) being dimensioned;

the size of the top of the non-basic mold core (152) is a third integral multiple of the specified size, the capacity of the cavity at the top of the non-basic mold core (152) is a fourth integral multiple of the specified capacity, and the third integral multiple and the fourth integral multiple are equal in size.

39. The form-cutting die according to claim 38, characterized in that the number of basic die cores (151) is greater than or equal to 2; and/or the presence of a gas in the gas,

the top of the non-basic mold core (152) includes one or more dimensions.

40. The form cutting die of claim 33, wherein the cutting edges (153) of each core (150) are identical, and adjacent cutting edges (153) of adjacent cores (150) form an integral V-shaped ridge.

41. The form-cutting die of claim 40, wherein the apex angle of the V-shaped ridge is a sharp angle, the precision of the sharp angle of the V-shaped ridge is greater than or equal to 0.005mm and less than or equal to 0.02 mm; and/or the presence of a gas in the gas,

the bisector of the vertex angle of the V-shaped convex edge is vertical to the top of the mold core (150), and the vertex angle of the V-shaped convex edge is larger than 60 degrees and smaller than or equal to 150 degrees; and/or the presence of a gas in the gas,

the width of the bottom of the V-shaped convex rib is larger than or equal to the height of the V-shaped convex rib.

42. The form cutting die of claim 33, wherein the cut edges (153) of each core (150) are identical, and adjacent cut edges (153) of adjacent cores (150) form an integral U-shaped fin.

43. The form-cutting die of claim 42, wherein the top of the U-shaped rib has a sharp corner of a V-shape, the precision of the sharp corner of the U-shaped rib is greater than or equal to 0.005mm and less than or equal to 0.02 mm; and/or the presence of a gas in the gas,

the sharp angle bisector of the U-shaped convex rib is perpendicular to the top of the mold core (150), and the sharp angle of the U-shaped convex rib is larger than 60 degrees and smaller than or equal to 150 degrees.

44. The form cutting die of any one of claims 40 to 43, wherein opposing surfaces of the two cutting edges (153) of each core (150) comprise inclined faces, and wherein opposing surfaces of the two cutting edges (153) of each core (150) are vertical faces perpendicular to the top of the core (150).

45. The form-cutting die of claim 33, wherein said second die (130) is slidably disposed on said frame (110).

Technical Field

The invention relates to the field of metal products, in particular to a metal product, a manufacturing method thereof and a forming and cutting die.

Background

With the trend of mass consumption/investment toward miniaturization, convenience and individuation, the real precious metal has strong investment and value-keeping values, and is more and more popular among young consumers as a convenient and individualized real product combining the guaranteed investment and the cultural consumption.

At present, the main disadvantages of the traditional precious metal products are that the traditional precious metal products are mostly fixed and standardized money and seal products, the purchase threshold of heavy products is high, the sale price of light products is high, the form is single, the after-sale use is inconvenient, and the wide small and scattered use requirements cannot be met; secondly, the production method of the traditional noble metal product is fixed, the customization cost is extremely high, the efficiency is low, and particularly, the customization cost of the personalized small and micro product even exceeds the value of the noble metal material, so that the product seriously deviates from the guaranteed investment attribute of the noble metal.

The reason is mainly caused by the production technical limitation of the traditional fixed type stamping 'one mould one product', one type of product needs to be matched with one fixed type stamping mould, the production flow and labor cost of the same product are basically similar, and the traditional manufacturing method and the mould are obviously not beneficial to the production of small-weight and personalized products.

Disclosure of Invention

In view of the above technical problems, embodiments of the present invention provide a metal product, a manufacturing method thereof, and a forming and cutting die, which change an original fixed single product structure into a structure that can be flexibly customized and combined and can be disassembled into standard small micro-blocks, and realize low-cost and high-efficiency production of small, miniaturized and customized products with high manufacturing cost by a combined batch production method, thereby solving the market pain point.

A first aspect of embodiments of the present invention provides a metal article comprising:

a metal body divided into a plurality of sub-metal blocks arranged in an array;

adjacent sub-metal blocks are connected, and a dividing groove is formed at the joint of the adjacent sub-metal blocks and is provided with a sharp corner and a calibrated form;

the plurality of sub-metal blocks are in at least two preset sizes, each sub-metal block in the preset size is respectively provided with a preset weight, and the sizes and the weights of the sub-metal blocks in different preset sizes have a preset relation.

Optionally, the shape of the plurality of sub-metal blocks is a preset shape, or the shape of the plurality of sub-metal blocks includes at least two preset shapes.

Optionally, the predetermined shape comprises at least one of a square, a rectangle, a diamond, and a triangle.

Optionally, the predetermined shape comprises a square and a rectangle.

Optionally, the sub-metal blocks in each row have equal widths, and the width direction is perpendicular to the thickness direction of the metal body; and/or the lengths of the sub-metal blocks in each row are equal, and the length direction is perpendicular to the thickness direction of the metal body.

Optionally, the plurality of sub-metal blocks comprises a base sub-metal block and a non-base sub-metal block, the size of the base sub-metal block is a nominal size, and the weight of the base sub-metal block is a nominal weight;

the size of the non-basic sub-metal block is a first integral multiple of the calibration size, the weight of the non-basic sub-metal block is a second integral multiple of the calibration weight, and the first integral multiple and the second integral multiple are equal in size.

Optionally, the number of the basic sub-metal blocks is greater than or equal to 2; and/or the presence of a gas in the gas,

the non-base submetals include at least two sizes.

Optionally, the dividing groove is of a symmetrical structure.

Optionally, the shape of the outer edge of each sub-metal block located on the outermost side of the metal body is the same as the shape of the portion of the dividing groove located on the side of the central axis.

Optionally, the dividing groove is a V-shaped groove.

Optionally, the vertex angle of the V-shaped groove is a sharp angle, and the precision of the sharp angle of the V-shaped groove is greater than or equal to 0.005mm and less than or equal to 0.02 mm; and/or the presence of a gas in the gas,

the vertex angle bisector of the V-shaped groove is perpendicular to the bottom surface of the sub-metal block, and the vertex angle of the V-shaped groove is larger than 60 degrees and smaller than or equal to 150 degrees; and/or the presence of a gas in the gas,

the width of the opening of the V-shaped groove is greater than or equal to the depth of the V-shaped groove; and/or the presence of a gas in the gas,

and the vertical distance from the vertex of the V-shaped groove to the bottom surface of the sub metal block is greater than or equal to 0.1mm and less than or equal to 0.3 mm.

Optionally, the dividing groove is a U-shaped groove.

Optionally, the bottom of the U-shaped groove is a V-shaped sharp angle, and the precision of the sharp angle of the U-shaped groove is greater than or equal to 0.005mm and less than or equal to 0.02 mm; and/or the presence of a gas in the gas,

the sharp angle bisector of the U-shaped groove is perpendicular to the bottom surface of the sub-metal block, and the sharp angle of the U-shaped groove is larger than 60 degrees and smaller than or equal to 150 degrees; and/or the presence of a gas in the gas,

and the vertical distance from the top point of the U-shaped groove to the bottom surface of the sub metal block is greater than or equal to 0.1mm and less than or equal to 0.3 mm.

Optionally, the sub-metal blocks on two sides of the dividing groove are forced to divide the adjacent sub-metal blocks along the dividing groove, and the error between the weight of each divided sub-metal block with the preset shape and the calibrated weight of the sub-metal block with the preset shape is less than or equal to +0.01g and greater than or equal to-0.01 g.

Optionally, the surface of each sub-metal block is provided with a pattern.

Optionally, the patterns of the sub-metal blocks of different preset sizes are different.

Optionally, the patterns of the sub-metal blocks with different preset sizes are the same.

Optionally, the pattern comprises one or more of a word, a symbol, a graphic, a texture, a drawing, or an image.

Optionally, the metal product is made of a noble metal.

A second aspect of an embodiment of the present invention provides a method of manufacturing the metal product of the first aspect, the method including:

a plurality of mould cores are placed in a mould bin of a forming and cutting mould, the forming and cutting mould comprises a mould frame, a first pressing mould and a second pressing mould, the first pressing mould and the second pressing mould are arranged on the mould frame, the first pressing mould is arranged on the mould frame in a sliding manner, the first pressing die and the second pressing die are matched to form the die cabin, a plurality of die cores are arranged in an array shape, the bottoms of the plurality of the mold cores are abutted against one side of the second pressing die facing the first pressing die, the top edge of each mold core is provided with a cutting edge, the whole formed by the adjacent cutting edges of the adjacent mold cores is matched with the dividing groove of the metal product, the tops of the cutting edges are sharp corners, and the heights of the plurality of the mold cores are equal, the sizes of the tops of the plurality of mold cores are at least two, and the sizes of the tops of the plurality of mold cores correspond to at least two preset sizes of the plurality of sub-metal blocks of the metal product;

putting standard metal sheets with smooth surfaces into the die bin and placing the standard metal sheets on the tops of the plurality of die cores;

and applying pressure to the first pressing die to enable the first pressing die to move towards the second pressing die, so that the metal product is obtained.

Optionally, the shape of the tops of the plurality of mold cores corresponds to the shape of the plurality of sub-metal pieces of the metal article;

the shape of the tops of the plurality of the mold cores is one shape, or the shape of the tops of the plurality of the mold cores comprises at least two shapes.

Optionally, the shape of the tops of the plurality of mold cores comprises at least one of a square, a rectangle, a diamond, and a triangle.

Optionally, the shape of the top of the plurality of mold cores comprises a square and a rectangle.

Optionally, the widths of the tops of the mold cores in each row are equal, and the width direction is perpendicular to the height direction of the mold cores; and/or the top parts of the mould cores in each row are equal in length, and the length direction is perpendicular to the height direction of the mould cores.

Optionally, the plurality of cores comprises a base core and a non-base core, the top of the base core is of a nominal size, and the cavity of the top of the base core is of a nominal capacity;

the size of the top of the non-basic mold core is the third integral multiple of the nominal size, the capacity of a cavity at the top of the non-basic mold core is the fourth integral multiple of the nominal capacity, and the third integral multiple and the fourth integral multiple are equal in size.

Optionally, the number of the basic mold cores is greater than or equal to 2; and/or the presence of a gas in the gas,

the top of the non-base mold core comprises at least two dimensions.

Optionally, the cutting edges of each mold core are the same, and the adjacent cutting edges of adjacent mold cores form an integral V-shaped rib.

Optionally, the vertex angle of the V-shaped rib is a sharp angle, and the precision of the sharp angle of the V-shaped rib is greater than or equal to 0.005mm and less than or equal to 0.02 mm; and/or the presence of a gas in the gas,

the vertex angle bisector of the V-shaped convex edge is perpendicular to the top of the mold core, and the vertex angle of the V-shaped convex edge is larger than 60 degrees and smaller than or equal to 150 degrees; and/or the presence of a gas in the gas,

the width of the bottom of the V-shaped convex rib is larger than or equal to the height of the V-shaped convex rib.

Optionally, the cutting edges of each mold core are the same, and the adjacent cutting edges of adjacent mold cores form an integral U-shaped rib.

Optionally, the top of the U-shaped rib is a sharp angle of a V shape, and the precision of the sharp angle of the U-shaped rib is greater than or equal to 0.005mm and less than or equal to 0.02 mm; and/or the presence of a gas in the gas,

the sharp angle bisector of the U-shaped convex ridge is perpendicular to the top of the mold core, and the sharp angle of the U-shaped convex ridge is larger than 60 degrees and smaller than or equal to 150 degrees.

Optionally, the opposite surfaces of the two cut edges of each mold core comprise inclined surfaces, and the opposite surfaces of the two cut edges of each mold core are vertical surfaces perpendicular to the top of the mold core.

Optionally, the second press-fit die is slidably disposed on the die frame.

A third aspect of an embodiment of the present invention provides a forming and cutting die for a metal product, where the forming and cutting die includes a die frame, and a first press mold and a second press mold that are arranged on the die frame, the first press mold is slidably arranged on the die frame, and the first press mold and the second press mold cooperate to form a die compartment;

the forming and cutting die further comprises a plurality of movable die cores, after the plurality of die cores are placed in the die bin, the plurality of die cores are arranged in an array shape, the bottoms of the plurality of die cores are abutted to one side, facing the first pressing die, of the second pressing die, a cutting edge is arranged on the edge of the top of each die core, the whole formed by the adjacent cutting edges of the adjacent die cores is matched with the dividing groove of the metal product, the tops of the cutting edges are sharp corners, the heights of the plurality of die cores are equal, the sizes of the tops of the plurality of die cores comprise at least two sizes, and the sizes of the tops of the plurality of die cores correspond to at least two preset sizes of the plurality of sub-metal blocks of the metal product;

and putting the standard metal sheet with a flat surface into the die bin, placing the standard metal sheet on the tops of the plurality of die cores, and applying pressure to the first pressing die to enable the first pressing die to move towards the second pressing die to obtain the metal product.

Optionally, the shape of the tops of the plurality of mold cores corresponds to the shape of the plurality of sub-metal pieces of the metal article;

the shape of the tops of the plurality of the mold cores is one shape, or the shape of the tops of the plurality of the mold cores comprises at least two shapes.

Optionally, the shape of the tops of the plurality of mold cores comprises at least one of a square, a rectangle, a diamond, and a triangle.

Optionally, the shape of the top of the plurality of mold cores comprises a square and a rectangle.

Optionally, the widths of the tops of the mold cores in each row are equal, and the width direction is perpendicular to the height direction of the mold cores; and/or the top parts of the mould cores in each row are equal in length, and the length direction is perpendicular to the height direction of the mould cores.

Optionally, the plurality of cores comprises a base core and a non-base core, the top of the base core is of a nominal size, and the cavity of the top of the base core is of a nominal capacity;

the size of the top of the non-basic mold core is the third integral multiple of the nominal size, the capacity of a cavity at the top of the non-basic mold core is the fourth integral multiple of the nominal capacity, and the third integral multiple and the fourth integral multiple are equal in size.

Optionally, the number of the basic mold cores is greater than or equal to 2; and/or the presence of a gas in the gas,

the top of the non-base mold core comprises at least two dimensions.

Optionally, the cutting edges of each mold core are the same, and the adjacent cutting edges of adjacent mold cores form an integral V-shaped rib.

Optionally, the vertex angle of the V-shaped rib is a sharp angle, and the precision of the sharp angle of the V-shaped rib is greater than or equal to 0.005mm and less than or equal to 0.02 mm; and/or the presence of a gas in the gas,

the vertex angle bisector of the V-shaped convex edge is perpendicular to the top of the mold core, and the vertex angle of the V-shaped convex edge is larger than 60 degrees and smaller than or equal to 150 degrees; and/or the presence of a gas in the gas,

the width of the bottom of the V-shaped convex rib is larger than or equal to the height of the V-shaped convex rib.

Optionally, the cutting edges of each mold core are the same, and the adjacent cutting edges of adjacent mold cores form an integral U-shaped rib.

Optionally, the top of the U-shaped rib is a sharp angle of a V shape, and the precision of the sharp angle of the U-shaped rib is greater than or equal to 0.005mm and less than or equal to 0.02 mm; and/or the presence of a gas in the gas,

the sharp angle bisector of the U-shaped convex ridge is perpendicular to the top of the mold core, and the sharp angle of the U-shaped convex ridge is larger than 60 degrees and smaller than or equal to 150 degrees.

Optionally, the opposite surfaces of the two cut edges of each mold core comprise inclined surfaces, and the opposite surfaces of the two cut edges of each mold core are vertical surfaces perpendicular to the top of the mold core.

Optionally, the second press-fit die is slidably disposed on the die frame.

According to the technical scheme provided by the embodiment of the invention, the metal body is divided into the plurality of sub-metal blocks, the plurality of sub-metal blocks are in at least two preset sizes, and the connecting parts of the adjacent sub-metal blocks form the dividing grooves, so that the original fixed single product structure is changed into a structure which can be flexibly customized and combined and can be disassembled into standard small micro-blocks, the original small and miniaturized and customized products with low manufacturing efficiency and high cost are produced in a combined batch production mode at low cost and high efficiency, and market pain points are solved.

Drawings

Fig. 1 is a schematic view of the overall structure of a metal sheet processed by a form cutting die and a metal product obtained after the processing in an embodiment of the present invention;

FIG. 2 is a schematic view of the overall structure of the metal product in the embodiment shown in FIG. 1;

FIG. 3 is a schematic overall structure diagram and a schematic partial structure enlargement of the metal product in the embodiment shown in FIG. 1;

FIG. 4 is a schematic structural diagram of a metal product after being divided and a schematic structural diagram of a mold core according to an embodiment of the invention;

fig. 5 is a schematic flow chart of a method of manufacturing a metal product according to an embodiment of the invention.

Reference numerals:

10: a metal body; 11: a sub-metal block; 111: a base sub-metal block; 112: a non-base sub-metal block; 12: dividing the groove; 121: a V-shaped groove; 122: a U-shaped groove;

20: a metal sheet;

110: a mold frame; 120: a first press mold; 130: second pressing and assembling the die; 140: a mould cabin; 150: a mold core; 151: a basic mold core; 152: a non-basic mold core; 153: and (6) cutting edges.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the following embodiments may be combined without conflict.

An embodiment of the present invention provides a metal product, please refer to fig. 1 to fig. 2, the metal product may include a metal body 10, the metal body 10 is divided into a plurality of sub-metal blocks 11, the plurality of sub-metal blocks 11 are arranged in an array, and exemplarily, the plurality of sub-metal blocks 11 are arranged in a row or a column; illustratively, the plurality of sub-metal blocks 11 are arranged in a plurality of rows and columns, such as two rows and two columns, three rows and two columns, or other row numbers and column numbers.

The adjacent sub-metal blocks 11 are connected, the dividing grooves 12 are formed at the connecting parts of the adjacent sub-metal blocks 11, the dividing grooves 12 are provided with precise sharp corners and calibrated forms (namely preset forms), the dividing grooves 12 with the precise sharp corners and the calibrated forms are arranged between the adjacent sub-metal blocks 11, precise division is achieved, the divided sub-metal blocks 11 have extremely precise weight, weight errors meet expectations, the defects that the traditional small-weight metal investment products are expensive in production cost and large-weight products are inconvenient to use after sale are overcome, and the production efficiency of the sub-metal blocks 11 and the material loss cost of the extremely precise control allowance are greatly improved. By utilizing the stress concentration principle in material mechanics, extremely precise dividing grooves 12 are arranged between the sub-metal blocks 11 in the metal body 10 as stress concentration positions, so that the large metal body 10 is broken and divided into the small sub-metal blocks 11 when the stress reaches the maximum value under the action of external force, and the dividing grooves 12 are precise sharp corners, the more precise the stress concentration position is, the higher the dividing precision is, the less the material loss is, and the lower the cost is.

The plurality of sub-metal blocks 11 have at least two preset sizes, and each preset shape is an accurate shape. Further, each of the sub-metal pieces 11 of the preset size has a preset weight, and the sizes and weights of the sub-metal pieces 11 of different preset sizes have a preset relationship.

According to the embodiment of the invention, the metal body 10 is divided into the plurality of sub-metal blocks 11, the plurality of sub-metal blocks 11 have at least two preset sizes, and the dividing grooves 12 are formed at the joints of the adjacent sub-metal blocks 11, so that the original fixed single product structure is changed into a structure which can be flexibly customized and combined and can be disassembled into standard small micro-blocks, and the original small and customized products with low manufacturing efficiency and high cost are produced in a combined batch production mode, so that the low-cost and high-efficiency production is realized, and the market pain point is solved.

In the embodiment of the invention, the metal product is made of noble metal, such as gold, silver or other noble metals; it is understood that the material of the metal product is not limited to noble metal, but may be other metals.

The metal body 10 of the present embodiment may be square, rectangular or other shapes.

Since the plurality of sub-metal blocks 11 are formed on the same metal body 10, the thicknesses of the metal body 10 are the same at all points, so that the thicknesses of the plurality of sub-metal blocks 11 are completely the same.

The shape of the plurality of sub-metal blocks 11 may be designed as required, for example, in some embodiments, the shape of the plurality of sub-metal blocks 11 is a preset shape, such as a square, a rectangle, a diamond, or a triangle, or may be other shapes.

In some embodiments, the shapes of the plurality of sub-metal blocks 11 include at least two preset shapes, for example, the preset shapes may include at least two of a square, a rectangle, a diamond, and a triangle. Illustratively, referring to fig. 1 and 2, the predetermined shapes include a square (the sub-metal blocks 11 numbered 1 and 4 in the drawing) and a rectangle (the sub-metal block 11 numbered 2 in fig. 2). Further alternatively, please refer to fig. 1, the sub-metal blocks 11 in each row have the same width, and the width direction is perpendicular to the thickness direction of the metal body 10; optionally, referring to fig. 1 again, the lengths of the sub-metal blocks 11 in each row are equal, and the length direction is perpendicular to the thickness direction of the metal body 10. In the embodiment of the invention, the length direction and the width direction are mutually vertical.

Optionally, the weight of the sub-metal blocks 11 of different preset sizes is different, for example, as shown in figures 1 and 2, the sizes of the sub-metal block 11 numbered 1, the sub-metal block 11 numbered 2 and the sub-metal block 11 numbered 4 are different from each other in the drawing, the preset size corresponding to the sub-metal block 11 with the reference number 1 is 9x9mm (length x width), the preset size corresponding to the sub-metal block 11 with the reference number 2 includes 18x9mm (the sub-metal block 11 with the reference number 2 above the sub-metal block 11 with the reference number 4) and 9x18mm (the sub-metal block 11 with the reference number 2 on the right side of the sub-metal block 11 with the reference number 4), the preset size corresponding to the sub-metal block 11 with the reference number 4 is 18x18mm, the weight of the sub-metal block 11 with the reference number 1 is 1 gram, the weight of the sub-metal block 11 with the reference number 2 is 2 grams, and the weight of the sub-metal block 11 with the reference number 4 is 4 grams. In the embodiment of the present invention, for the first sub-metal block and the second sub-metal block, if the length of the first sub-metal block is equal to the width of the second sub-metal block, and the width of the first sub-metal block is equal to the length of the second sub-metal block, the preset size corresponding to the first sub-metal block is the same as the preset size corresponding to the second sub-metal block, that is, the sub-metal blocks 11 of 18x9mm and 9x18mm belong to the same preset size.

Optionally, in the sub-metal blocks 11 with different preset sizes, the weights of some sub-metal blocks 11 with different sizes are different, and the weights of other sub-metal blocks 11 with different sizes are the same.

Referring to fig. 2, the plurality of sub-metal blocks 11 according to the embodiment of the present invention may include a base sub-metal block 111 and a non-base sub-metal block 112, wherein the size of the base sub-metal block 111 is a predetermined size, and the size of the non-base sub-metal block 112 is a first integer multiple of the size (i.e., the predetermined size) of the base sub-metal block 111. The first integer multiple may be a multiple of a single side length of the base sub-metal block 111 or a multiple of each of the double side lengths. Further, the weight of the base sub-metal block 111 is a calibration weight, the weight of the non-base sub-metal block 112 is also a second integer multiple of the weight (i.e. the calibration weight) of the base sub-metal block 111, and the first integer multiple and the second integer multiple are equal in size, that is, the following relationship is satisfied:

in formula (1), Size₀The size of the base sub-metal block 111 is the product of the length of the base sub-metal block 111 and the width of the base sub-metal block 111;

Size₁the size of the non-base sub-metal block 112 is the product of the length of the non-base sub-metal block 112 and the width of the non-base sub-metal block 112;

Weight₀the weight of the base sub-metal block 111;

Weight₁is the weight of the non-base sub-metal block 112.

Illustratively, the base sub-metal block 111 is a 9x9mm square frustum, the base sub-metal block 111 has a mass of 1 gram, and the non-base sub-metal block 112 includes a first sub-metal block and a second sub-metal block, the first sub-metal block is a 9x18mm rectangular frustum, the first sub-metal block has a mass of 2 grams, the second sub-metal block is an 18x18mm square frustum, and the second sub-metal block has a mass of 4 grams.

Illustratively, the base sub-metal block 111 is a 9x9mm square frustum, the base sub-metal block 111 has a mass of 1 gram, the non-base sub-metal block 112 includes a third sub-metal block and a fourth sub-metal block, the third sub-metal block is a 9x18mm rectangular frustum, the third sub-metal block has a mass of 2 grams, the fourth sub-metal block is a 9x27mm rectangular frustum, and the fourth sub-metal block has a mass of 3 grams.

It is understood that the first integer multiple and the second integer multiple are not limited to an equal relationship, but may be in other relationships, such as the first integer multiple being greater than the second integer multiple, and the first integer multiple/the second integer multiple being a positive integer, or the second integer multiple being greater than the first integer multiple, and the second integer multiple/the first integer multiple being a positive integer.

Optionally, the number of the base sub-metal blocks 111 is greater than or equal to 2, specifically, the number of the base sub-metal blocks 111 may be designed according to requirements, and exemplarily, the number of the base sub-metal blocks 111 is 6.

Optionally, the non-base sub-metal block 112 includes one or more sizes, and the non-base sub-metal block 112 includes at least two sizes, for example.

Illustratively, the metal body 10 is provided with a rectangular/square shape with an integral mass, and is obtained by combining and customizing different numbers of basic sub-metal blocks 111 and other sub-metal blocks 11, for example, the metal body 10 has a rectangular shape of 10 g, and may be composed of 6 basic sub-metal blocks 111 of 1g and 1 sub-metal block 11 of 4 g.

The dividing groove 12 may have a symmetrical structure or an asymmetrical structure.

Illustratively, the dividing groove 12 is a symmetrical structure. Further, the shape of the outer edge of each sub-metal block 11 positioned on the outermost side of the metal body 10 is the same as the shape of the portion of the dividing groove 12 positioned on the central axis side, thereby improving the appearance of the metal product.

Optionally, in some embodiments, a dividing groove 12 is formed on one side of the connection of the adjacent sub-metal blocks 11; in some embodiments, the dividing grooves 12 are formed on both sides of the joint of the adjacent sub-metal blocks 11, and the dividing grooves 12 on both sides are aligned along the thickness direction of the metal body 10, wherein the dividing groove 12 on one side is a main dividing groove 12, the dividing groove 12 on the other side is used as an auxiliary dividing groove 12 of the main dividing groove 12, and the size (including the depth and the opening width) of the main dividing groove 12 is larger than the size of the auxiliary dividing groove 12. Alternatively, the structure of the main dividing groove 12 is similar to that of the auxiliary dividing groove 12.

Optionally, the sub-metal blocks 11 on the two sides of the dividing groove 12 are forced to divide the adjacent sub-metal blocks 11 along the dividing groove 12, and an error between the weight of each divided sub-metal block 11 with a preset shape and the calibration weight (the size of which can be preset according to requirements) of the sub-metal block 11 with the preset shape is less than or equal to +0.01g and greater than or equal to-0.01 g, so that the sub-metal blocks 11 are accurately divided.

For example, the metal product dividing process may include: dividing 4 by 4 (namely 4 rows and 4 columns) of metal products along the dividing grooves 12 of each column to obtain a larger metal module; and then, the metal blocks are divided along the dividing grooves 12 of the adjacent sub-metal blocks 11 in each metal module, so that 16 divided sub-metal blocks 11 are obtained.

In the following embodiments, the division groove 12 is formed on one side of the joint between the adjacent sub-metal blocks 11.

The dividing groove 12 may be a V-shaped groove 121, a U-shaped groove 122 or other shaped groove.

For example, in some embodiments, referring to the first drawing of the partial cross-sectional view of fig. 3, the dividing groove 12 is a V-shaped groove 121.

Optionally, the vertex angle of the V-shaped groove 121 is a sharp angle, and the precision of the sharp angle of the V-shaped groove 121 is greater than or equal to 0.005mm and less than or equal to 0.02mm, so that the sharp angle of each V-shaped groove 121 is guaranteed to be a precise sharp angle, and the precision of the sharp angles of the plurality of V-shaped grooves 121 is guaranteed to be approximately the same.

Optionally, a bisector of a vertex angle of the V-shaped groove 121 is perpendicular to the bottom surface of the sub-metal block 11, and the vertex angle of the V-shaped groove 121 is greater than 60 degrees and less than or equal to 150 degrees. Illustratively, the V-groove 121 has a vertex angle of 65 degrees, 70 degrees, 80 degrees, 90 degrees, 100 degrees, 110 degrees, 120 degrees, 130 degrees, 140 degrees, 150 degrees, or other angular dimension greater than 60 degrees and less than 150 degrees.

Optionally, the width of the opening of the V-shaped groove 121 is greater than or equal to the depth of the V-shaped groove 121, and it should be noted that in the embodiment of the present invention, the opening of the V-shaped groove 121 is an outermost opening of the V-shaped groove 121, and the width of the opening of the V-shaped groove 121 is the maximum width of the V-shaped groove 121.

Optionally, the vertical distance between the vertex of the V-shaped groove 121 and the bottom surface of the sub-metal block 11 is greater than or equal to 0.1mm and less than or equal to 0.3mm, so that the sub-metal blocks 11 can be connected together to form a whole, and meanwhile, the sub-metal blocks 11 can be easily separated from the large block along the V-shaped groove 121, for example, a simple tool or a hand can be used to apply force to the sub-metal blocks 11 on the two sides of the V-shaped groove 121, so that a plurality of sub-metal blocks 11 with accurate weight and size can be easily separated. Illustratively, the vertical distance from the apex of the V-groove 121 to the bottom surface of the sub-metal block 11 is 0.1mm, 0.12mm, 0.14mm, 0.16mm, 0.18mm, 0.2mm, 0.22mm, 0.24mm, 0.26mm, 0.28mm, 0.3mm, or other numerical dimension greater than 0.1mm and less than 0.3 mm.

In some embodiments, referring to the second partial sectional view of fig. 3, the dividing groove 12 is a U-shaped groove 122.

Optionally, the bottom of the U-shaped groove 122 is a V-shaped sharp angle, and the precision of the sharp angle of the U-shaped groove 122 is greater than or equal to 0.005mm and less than or equal to 0.02mm, so as to ensure that the sharp angle of each U-shaped groove 122 is a precise sharp angle, and ensure that the precision of the sharp angles of the plurality of U-shaped grooves 122 is substantially the same.

Optionally, a bisector of a sharp angle of the U-shaped groove 122 is perpendicular to the bottom surface of the sub-metal block 11, and the sharp angle of the U-shaped groove 122 is greater than 60 degrees and less than or equal to 150 degrees. Illustratively, the top angle of the U-shaped groove 122 is 65 degrees, 70 degrees, 80 degrees, 90 degrees, 100 degrees, 110 degrees, 120 degrees, 130 degrees, 140 degrees, 150 degrees, or other angular dimension greater than 60 degrees and less than 150 degrees.

Optionally, the vertical distance between the top of the U-shaped groove 122 and the bottom of the sub-metal block 11 is greater than or equal to 0.1mm and less than or equal to 0.3mm, so that the sub-metal blocks 11 can be connected together to form a whole, and meanwhile, each sub-metal block 11 can be easily separated from the large block along the U-shaped groove 122, for example, a simple tool or a hand can be used to apply force to the sub-metal blocks 11 on both sides of the U-shaped groove 122, so that a plurality of sub-metal blocks 11 with accurate weight and size can be easily separated. Illustratively, the vertical distance from the apex of the U-shaped groove 122 to the bottom surface of the sub-metal block 11 is 0.1mm, 0.12mm, 0.14mm, 0.16mm, 0.18mm, 0.2mm, 0.22mm, 0.24mm, 0.26mm, 0.28mm, 0.3mm, or other numerical dimension greater than 0.1mm and less than 0.3 mm.

Optionally, the surface of each sub-metal block 11 is provided with a pattern, so that the aesthetic property of the product is improved. Illustratively, the front surface and the back surface of each sub-metal block 11 are respectively provided with patterns, and the patterns of the front surface and the back surface of each sub-metal block 11 may be the same or different; illustratively, the front surface of each sub-metal block 11 is provided with a pattern, the back surface is not provided with a pattern, and the patterns of the front surface of each sub-metal block 11 can be the same or different; illustratively, the reverse side of each sub-metal block 11 is provided with a pattern, the front side is not provided with a pattern, and the reverse side of each sub-metal block 11 may have the same or different pattern; illustratively, the front surface of one part of the sub-metal block 11 is provided with a pattern, the back surface is not provided with a pattern, the back surface of the other part of the sub-metal block 11 is provided with a pattern, and the front surface is not provided with a pattern.

Optionally, in some embodiments, the patterns of the sub-metal blocks 11 with different preset sizes are different, so as to distinguish the sub-metal blocks 11 with different preset sizes; in some embodiments, the patterns of the sub-metal pieces 11 of different preset sizes are the same; of course, the pattern of each sub-metal block 11 may be designed in other forms, and it may be particularly necessary to design the pattern of each sub-metal block 11.

In the embodiment of the present invention, the pattern may include one or more of characters (such as chinese characters, english characters, etc.), symbols, graphics, textures, drawings, or images, and may also include others.

The pattern may be provided on the surface of the sub-metal block 11 by stamping, engraving or printing, and of course, the pattern may be provided on the surface of the sub-metal block 11 by other methods.

Further, an embodiment of the present invention further provides a method for manufacturing a metal product according to the foregoing embodiment, please refer to fig. 5, where the method may include the following steps:

s501: placing a plurality of mold cores 150 in a mold bin 140 of the forming and cutting mold;

referring to fig. 1 and 4, the forming and cutting die includes a die frame 110, and a first press mold 120 and a second press mold 130 disposed on the die frame 110, wherein the first press mold 120 is slidably disposed on the die frame 110, and the first press mold 120 and the second press mold 130 cooperate to form a die compartment 140. In the present embodiment, the mold cavity 140 is a closed cavity.

The first press-fit mold 120 and the second press-fit mold 130 are in a vertical fit manner, the first press-fit mold 120 can slide up and down relative to the second press-fit mold 130, and exemplarily, the first press-fit mold 120 is an upper mold, and the second press-fit mold 130 is a lower mold; illustratively, the first press mold 120 is a lower mold and the second press mold 130 is an upper mold. Of course, the first press mold 120 and the second press mold 130 may also adopt other matching manners in other directions, such as a left-right matching manner, the first press mold 120 can slide left and right relative to the second press mold 130, and exemplarily, the first press mold 120 is a left mold, and the second press mold 130 is a right mold.

When the first press mold 120 and the second press mold 130 are in the vertical engagement type, the thickness direction of the metal sheet 20 is parallel to the vertical direction when the metal sheet 20 is placed in the mold box 140; when the first press mold 120 and the second press mold 130 are of the right-left engagement type, the thickness direction of the metal sheet 20 is parallel to the right-left direction when the metal sheet 20 is placed in the mold box 140.

Each mold core 150 in the embodiment of the present invention is a movable mold core, the plurality of mold cores 150 are arranged in an array, the bottoms of the plurality of mold cores 150 abut against one side of the second press-fit mold 130 facing the first press-fit mold 120, the top edge of each mold core 150 is provided with a cut edge 153, the whole formed by the adjacent cut edges 153 of the adjacent mold cores 150 is adapted to the dividing groove 12 of the metal product, the tops of the cut edges 153 are sharp corners, the heights of the plurality of mold cores 150 are equal, the sizes of the tops of the plurality of mold cores 150 include at least two, and the sizes of the tops of the plurality of mold cores 150 correspond to at least two preset sizes of the plurality of sub-metal blocks 11 of the metal product.

In the embodiment of the invention, one mold core 150 corresponds to one sub-metal block 11, the same cutting edge 153 is arranged on the edge of the top of each mold core 150, the top of the cutting edge 153 is a sharp corner so as to prolong the service life of the mold, and the mold core 150 is provided with accurate size and obtained by an accurate linear cutting processing method so as to ensure that the mold cores 150 can be accurately matched when being combined with each other.

The closed mold warehouse 140 is obtained by a precise linear cutting processing method so as to ensure that the mold warehouse can be precisely matched with each mold core 150 when being combined, the size of the inner warehouse of the mold warehouse 140 is matched with the size of the mold core 150 in data, and the inner warehouse can be combined to accommodate a plurality of mold cores 150. A plurality of mold cores 150 with the same or different contents are assembled in the closed mold bin 140, so that the number of the mold cores 150 is matched with the number of the mold bins 140,

s502: placing a standard metal sheet 20 with a flat surface into a mold bin 140 and placing the standard metal sheet on the tops of a plurality of mold cores 150;

the material of the metal sheet 20 may be a noble metal, such as gold, silver or other noble metals; it is understood that the metal sheet 20 is not limited to noble metals, but may be other metals.

S503: pressure is applied to the first press mold 120 so that the first press mold 120 moves toward the second press mold 130, and a metal product is obtained.

Illustratively, the first press mold 120 is uniformly pressed using a large tonnage four-column oil press until the sheet metal 20 is completely formed, thereby obtaining a metal product.

Optionally, the second press mold 130 is slidably disposed on the mold frame 110, so as to eject the pressed metal sheet after the pressing is completed. Of course, in some embodiments, the second clamp die 130 is fixedly disposed on the die frame 110.

In the embodiment of the present invention, the shape of the top of the plurality of mold cores 150 corresponds to the shape of the plurality of sub-metal blocks 11 of the metal product, for example, the shape of the sub-metal blocks 11 is square, and then, the shape of the top of the corresponding mold core 150 is also square; the sub-slug 11 is rectangular in shape, and the top of the corresponding mold core 150 is rectangular in shape.

The shape of the top of the plurality of mold cores 150 can be designed as desired, and for example, in some embodiments, the top of the plurality of mold cores 150 can be shaped as one, such as square, rectangle, diamond, or triangle, or can be shaped as another.

In some embodiments, the shape of the top of the plurality of mold cores 150 comprises at least two shapes, and exemplary, the shape of the top of the plurality of mold cores 150 comprises at least two of a square, a rectangle, a diamond, and a triangle.

For example, in some embodiments, the shape of the tops of the plurality of mold cores 150 includes a square and a rectangle. Further optionally, the top of each row of mold cores 150 has the same width, and the width direction is perpendicular to the height direction of the mold cores 150; optionally, the top of each row of mold cores 150 has the same length, and the length direction is perpendicular to the height direction of the mold cores 150.

For example, the top of the mold core 150 is square, rectangular or rhombic, and the edges around the top of the mold core 150 are provided with cut edges 153; the top of the mold core 150 is triangular in shape, and the edges of the three sides of the top of the mold core 150 are provided with cut edges 153. In the embodiment of the present invention, the top edge of the mold core 150 is provided with the cutting edge 153, which means that each edge of the top of the mold core 150 is provided with the cutting edge 153.

In addition, in the embodiment of the present invention, the cut edge 153 at the top of the mold core 150 surrounds and forms a cavity, when pressing, one metal sub-block 11 is accommodated in one cavity, and the volume of the metal sub-block 11 is equal to the volume of the corresponding cavity.

The plurality of mold cores 150 according to the embodiment of the present invention may include a base mold core 151 and a non-base mold core 152, wherein the size of the top of the base mold core 151 is a predetermined size (corresponding to the size of the base sub-metal block 111), and the size of the top of the non-base mold core 152 is a third integral multiple (equal to the first integral multiple) of the size (i.e., the predetermined size) of the base mold core 151. The third integer multiple may be a multiple of a side length of a single side of the top of the basic mold core 151 or a respective multiple of a side length of two sides of the top of the basic mold core 151.

Further, the cavity at the top of the basic mold core 151 is a nominal volume (corresponding to the volume of the basic sub-metal block 111), the cavity at the top of the non-basic mold core 152 is a fourth integral multiple of the nominal volume, and the third integral multiple is equal to the fourth integral multiple.

It is understood that the third integer multiple and the fourth integer multiple are not limited to an equal relationship, and may be in other relationships, such as the third integer multiple being greater than the fourth integer multiple, and the third integer multiple/the fourth integer multiple being positive integers, or the fourth integer multiple being greater than the third integer multiple, and the fourth integer multiple/the third integer multiple being positive integers.

Optionally, the number of the basic mold cores 151 is greater than or equal to 2, the number of the basic mold cores 151 may be specifically designed according to requirements, and exemplarily, the number of the basic mold cores 151 is 6.

Optionally, the top of non-base mold core 152 includes one or more dimensions, and illustratively, the top of non-base mold core 152 includes at least two dimensions.

Optionally, the opposite surfaces of the two cut edges 153 of each mold core 150 comprise inclined surfaces, and the opposite surfaces of the two cut edges 153 of each mold core 150 are vertical surfaces perpendicular to the top of the mold core 150. The adjacent cut edges 153 of the adjacent cores 150 form an integral V-shaped rib or U-shaped rib.

Illustratively, in some embodiments, the chamfered edge 153 of each mold core 150 is the same, and the adjacent chamfered edges 153 of adjacent mold cores 150 form an overall V-shaped rib, and during the application of pressure to the first press mold 120 to move the first press mold 120 toward the second press mold 130, the first press mold 120 presses the metal sheet 20 to press the metal sheet 20 against the plurality of mold cores 150, and the V-shaped rib is capable of forming a V-shaped groove 121 in the metal sheet 20.

Optionally, the vertex angle of the V-shaped rib is a sharp angle, and the precision of the sharp angle of the V-shaped rib is greater than or equal to 0.005mm and less than or equal to 0.02mm, so that the vertex angle of the V-shaped groove 121 processed by the V-shaped rib on the metal sheet 20 is a precise V-shaped sharp angle.

Optionally, the apex angle bisector of V type bead is perpendicular to the top of mold core 150, the apex angle of V type bead is greater than 60 degrees, and be less than or equal to 150 degrees, exemplarily, the cone angle size of V type bead is 65 degrees, 70 degrees, 80 degrees, 90 degrees, 100 degrees, 110 degrees, 120 degrees, 130 degrees, 140 degrees, 150 degrees or other are greater than 60 degrees, and be less than 150 degrees angle size, in order to guarantee that V type bead can not break up when big gravity, high efficiency extrusion operation, damage, deformation and influence machining precision and efficiency, in order to improve the life and the precision of first quick shaping cutting die, improve production efficiency by a wide margin, reduction in production cost. Optionally, the internal angle of each chamfer 153 is a sharp point angle greater than 31 degrees and less than 75 degrees to improve the service life of the mold.

The width of the bottom of the V-shaped rib is greater than or equal to the height of the V-shaped rib, it should be noted that the bottom of the V-shaped rib means the side of the V-shaped rib close to the top of the mold core 150, the width direction of the V-shaped rib means the splicing direction along two adjacent cut edges 153, the height direction of the V-shaped rib is perpendicular to the width direction of the V-shaped rib, and the height direction of the V-shaped rib is parallel to the relative moving direction of the first press-fit mold 120 and the second press-fit mold 130.

In some embodiments, the chamfered edges 153 of each mold core 150 are identical, and the adjacent chamfered edges 153 of adjacent mold cores 150 form an overall U-shaped rib, and the first press mold 120 presses the metal sheet 20 during the application of pressure to the first press mold 120 to move the first press mold 120 toward the second press mold 130, so that the metal sheet 20 presses the plurality of mold cores 150, and the U-shaped rib is capable of forming a U-shaped groove 122 in the metal sheet 20.

Optionally, the top of the U-shaped rib is a V-shaped sharp corner, and the precision of the sharp corner of the U-shaped rib is greater than or equal to 0.005mm and less than or equal to 0.02mm, so that the bottom of the U-shaped groove 122 formed on the metal sheet 20 by the U-shaped rib is a precision V-shaped sharp corner.

Optionally, the closed angle bisector of U type bead is perpendicular to the top of mold core 150, the closed angle of U type bead is greater than 60 degrees, and be less than or equal to 150 degrees, exemplarily, the cone angle size of U type bead is 65 degrees, 70 degrees, 80 degrees, 90 degrees, 100 degrees, 110 degrees, 120 degrees, 130 degrees, 140 degrees, 150 degrees or other be greater than 60 degrees, and be less than 150 degrees angle size, in order to guarantee that U type bead can not break up when big gravity, high efficiency extrusion operation, damage, deformation and influence machining precision and efficiency, in order to improve the life and the precision of first quick shaping cutting die, improve production efficiency by a wide margin, reduction in production cost. Optionally, the internal angle of each chamfer 153 is a sharp point angle greater than 31 degrees and less than 75 degrees to improve the service life of the mold.

The top of the mold core 150 may be provided with a first pattern forming part which, when machining the metal sheet 20, is able to press the bottom of the metal sheet 20 such that the bottom of the metal sheet 20 (i.e. the side of the metal sheet 20 facing the mold core 150) forms the pattern of the metal product. Alternatively, the top of each mold core 150 is provided with a first pattern forming part, respectively, such that the bottom of each metal sheet 20 forms the pattern of the metal product; optionally, the top of the partial mold core 150 is provided with a first pattern forming part.

Optionally, a plurality of second pattern forming portions arranged at intervals are provided on a side of the first press mold 120 facing the second press mold 130, and when the metal sheet 20 is processed, the second pattern forming portions can press the top of the metal sheet 20, so that the top of the metal sheet 20 (i.e., the side of the metal sheet 20 facing the first press mold 120) forms a pattern of a metal product.

Optionally, the top of each mold core 150 and the side of the first press mold 120 facing the second press mold 130 are provided with pattern forming parts, and the number of the second pattern forming parts is equal to that of the first pattern forming parts, and the second pattern forming parts and the first pattern forming parts are aligned up and down. Optionally, the structure of the first pattern forming part is the same as that of the second pattern forming part, so that the patterns of the front and back of each sub-metal block 11 are the same; optionally, the structure of the first pattern forming part is different from the structure of the second pattern forming part, so that the patterns of the front surface and the back surface of each sub-metal block 11 are different.

Referring to fig. 1 and 4, the forming and cutting die of the metal product of the embodiment of the present invention further includes a die frame 110, and a first press mold 120 and a second press mold 130 that are disposed on the die frame 110, wherein the first press mold 120 is slidably disposed on the die frame 110, and the first press mold 120 and the second press mold 130 cooperate to form a die cavity 140.

The forming and cutting die further comprises a plurality of movable die cores 150, after the plurality of die cores 150 are placed in the die bin 140, the plurality of die cores 150 are arranged in an array shape, the bottoms of the plurality of die cores 150 abut against one side, facing the first press-fit die 120, of the second press-fit die 130, a cutting edge 153 is arranged on the edge of the top of each die core 150, the whole formed by the adjacent cutting edges 153 of the adjacent die cores 150 is matched with the dividing groove 12 of the metal product, the tops of the cutting edges 153 are sharp corners, the heights of the plurality of die cores 150 are equal, the sizes of the tops of the plurality of die cores 150 comprise at least two types, and the sizes of the tops of the plurality of die cores 150 correspond to at least two preset sizes of the plurality of sub-metal blocks 11 of the metal product.

After a standard metal sheet 20 having a flat surface is placed in the die magazine 140 and on top of the plurality of die cores 150, pressure is applied to the first press mold 120 so that the first press mold 120 moves toward the second press mold 130, a metal product is obtained.

Optionally, the second press mold 130 is slidably disposed on the mold frame 110, so as to eject the pressed metal sheet after the pressing is completed. Of course, in some embodiments, the second clamp die 130 is fixedly disposed on the die frame 110.

In the embodiment of the present invention, the shape of the top of the plurality of mold cores 150 corresponds to the shape of the plurality of sub-metal blocks 11 of the metal product, for example, the shape of the sub-metal blocks 11 is square, and then, the shape of the top of the corresponding mold core 150 is also square; the sub-slug 11 is rectangular in shape, and the top of the corresponding mold core 150 is rectangular in shape.

The shape of the top of the plurality of mold cores 150 can be designed as desired, and for example, in some embodiments, the top of the plurality of mold cores 150 can be shaped as one, such as square, rectangle, diamond, or triangle, or can be shaped as another.

In some embodiments, the shape of the top of the plurality of mold cores 150 comprises at least two shapes, and exemplary, the shape of the top of the plurality of mold cores 150 comprises at least two of a square, a rectangle, a diamond, and a triangle.

For example, in some embodiments, the shape of the tops of the plurality of mold cores 150 includes a square and a rectangle. Further optionally, the top of each row of mold cores 150 has the same width, and the width direction is perpendicular to the height direction of the mold cores 150; optionally, the top of each row of mold cores 150 has the same length, and the length direction is perpendicular to the height direction of the mold cores 150.

For example, the top of the mold core 150 is square, rectangular or rhombic, and the edges around the top of the mold core 150 are provided with cut edges 153; the top of the mold core 150 is triangular in shape, and the edges of the three sides of the top of the mold core 150 are provided with cut edges 153. In the embodiment of the present invention, the top edge of the mold core 150 is provided with the cutting edge 153, which means that each edge of the top of the mold core 150 is provided with the cutting edge 153.

In addition, in the embodiment of the present invention, the cut edge 153 at the top of the mold core 150 surrounds and forms a cavity, when pressing, one metal sub-block 11 is accommodated in one cavity, and the volume of the metal sub-block 11 is equal to the volume of the corresponding cavity. The plurality of mold cores 150 according to the embodiment of the present invention may include a base mold core 151 and a non-base mold core 152, wherein the size of the top of the base mold core 151 is a predetermined size (corresponding to the size of the base sub-metal block 111), and the size of the top of the non-base mold core 152 is a third integral multiple (equal to the first integral multiple) of the size (i.e., the predetermined size) of the base mold core 151. The third integer multiple may be a multiple of a side length of a single side of the top of the basic mold core 151 or a respective multiple of a side length of two sides of the top of the basic mold core 151.

Further, the cavity at the top of the basic mold core 151 is a nominal volume (corresponding to the volume of the basic sub-metal block 111), the cavity at the top of the non-basic mold core 152 is a fourth integral multiple of the nominal volume, and the third integral multiple is equal to the fourth integral multiple.

Optionally, the number of the basic mold cores 151 is greater than or equal to 2, the number of the basic mold cores 151 may be specifically designed according to requirements, and exemplarily, the number of the basic mold cores 151 is 6.

Optionally, the top of the non-base mold core 152 includes at least two sizes, although the non-base mold core 152 may include one size.

Optionally, the opposite surfaces of the two cut edges 153 of each mold core 150 comprise inclined surfaces, and the opposite surfaces of the two cut edges 153 of each mold core 150 are vertical surfaces perpendicular to the top of the mold core 150. The adjacent cut edges 153 of the adjacent cores 150 form an integral V-shaped rib or U-shaped rib.

Alternatively, the cut edges 153 of each mold core 150 are identical, and the adjacent cut edges 153 of adjacent mold cores 150 form an overall V-shaped rib.

Optionally, the vertex angle of the V-shaped rib is a sharp angle, and the precision of the sharp angle of the V-shaped rib is greater than or equal to 0.005mm and less than or equal to 0.02 mm.

Optionally, a bisector of a vertex angle of the V-shaped convex ridge is perpendicular to the top of the mold core 150, and the vertex angle of the V-shaped convex ridge is greater than 60 degrees and less than or equal to 150 degrees.

Optionally, the width of the bottom of the V-shaped rib is greater than or equal to the height of the V-shaped rib.

Optionally, the cut edges 153 of each mold core 150 are identical, and the adjacent cut edges 153 of adjacent mold cores 150 form an integral U-shaped rib.

Optionally, the top of the U-shaped rib is a V-shaped sharp corner, and the precision of the sharp corner of the U-shaped rib is greater than or equal to 0.005mm and less than or equal to 0.02 mm.

Optionally, a bisector of a sharp angle of the U-shaped rib is perpendicular to the top of the mold core 150, and the sharp angle of the U-shaped rib is greater than 60 degrees and less than or equal to 150 degrees.

The structure of the forming and cutting die according to the embodiments of the present invention can be explained and illustrated with reference to the corresponding parts in the above embodiments, and will not be described herein again.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.