阅读说明：本技术 一种插芯模具及冲压方法 (Core inserting die and stamping method ) 是由 刘海拥 于 2021-08-13 设计创作，主要内容包括：本发明公开了一种插芯模具及冲压方法,属于模具加工技术领域,一种插芯模具,包括凹模、凸模和插芯,所述凹模内设置有与所述插芯匹配的插口,所述插芯插入插口,凹模撑开填充工件内部；所述插芯退出插口,凹模收缩退出工件内部。所述凹模通过驱动机构实现自由伸缩,可以避开产品在冲压前后的造型干涉,解决了腔体类零件难以进行复杂冲压的问题。(The invention discloses a ferrule mould and a stamping method, belonging to the technical field of mould processing, wherein the ferrule mould comprises a female mould, a male mould and a ferrule, wherein a socket matched with the ferrule is arranged in the female mould, the ferrule is inserted into the socket, and the female mould props up the interior of a filling workpiece; the inserting core is withdrawn from the inserting opening, and the concave die is contracted and withdrawn from the inside of the workpiece. The die is freely stretched through the driving mechanism, so that the molding interference of products before and after stamping can be avoided, and the problem that cavity parts are difficult to perform complex stamping is solved.)

1. A core inserting die comprises a female die (2) and a male die (3), and is characterized by further comprising a core inserting (1), wherein a socket matched with the core inserting (1) is arranged in the female die (2), the core inserting (1) is inserted into the socket, and the female die (2) is spread to fill the inside of a workpiece (4); the inserting core (2) is withdrawn from the inserting opening, and the concave die (2) is contracted and withdrawn from the inside of the workpiece (4).

2. A ferrule mould according to claim 1, wherein the ferrule (1) is inserted into or withdrawn from the female mould (2) by a drive mechanism.

3. A ferrule mould according to claim 1, characterized in that the ferrule mould comprises two opposite female moulds (2) and two opposite male moulds (3), and the male moulds (3) and the female moulds (2) are driven to be matched by a driving mechanism.

4. A ferrule mould according to claim 3, wherein the female mould (2) comprises at least one V-shaped opening, the V-shaped opening of the V-shaped opening is the socket, and the ferrule (1) is inserted into the V-shaped opening to open the female mould (2).

5. A ferrule mould according to claim 4, characterized in that the ferrule (1) is a wedge insert matching a V-shaped spreader groove.

6. A ferrule mould according to claim 1, characterized in that the outer wall of the ferrule (1) is slidably connected with the inner wall of the female mould (2).

7. A ferrule mould according to claim 1, wherein the female die (2) is provided with a positioning block (8) for fitting with the end face of the workpiece (4), and the positioning block (8) is provided at the ferrule insertion opening; be equipped with baffle (9) that are used for with locating piece (8) laminating on lock pin (1), baffle (9) set up in lock pin (1) keep away from the one end of die (2).

8. A ferrule mould according to claim 1, wherein the mating surface of the ferrule (1) and the cavity die (2) is textured.

9. The method for stamping the ferrule mold according to any one of claims 1 to 8, comprising:

inserting the female die (2) into a workpiece (4);

inserting the inserting core (1) into the female die (2) through a socket on the female die (2);

the male die (3) and the female die (2) are assembled to punch and form the workpiece (4);

separating the male die (3) from the female die (2);

the inserting core (1) is withdrawn from the female die (2);

and the female die (2) is withdrawn from the workpiece (4).

Technical Field

The invention relates to a core inserting die and a stamping method, and belongs to the technical field of die processing.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother". In the processing process of the die, the molding of the cavity product is different from the design type of a sheet stamping male die and a sheet stamping female die, the female die of the cavity product is wrapped inside the product, the problem of interference between the female die and the product exists after the molding is finished, and the female die cannot exit from the inside of the product.

Disclosure of Invention

The invention aims to solve the problems and provides a core insert die which is used for solving the problem that a concave die cannot be withdrawn from the interior of a product in the prior art. In order to solve the technical problems, the invention is realized by adopting the following technical scheme:

on one hand, the invention provides a core inserting die which comprises a female die, a male die and a core inserting, wherein a socket matched with the core inserting is arranged in the female die, the core inserting is inserted into the socket, and the female die props up the interior of a filling workpiece; the inserting core is withdrawn from the inserting opening, and the concave die is contracted and withdrawn from the inside of the workpiece.

Preferably, the insert core is inserted into or withdrawn from the die through a driving mechanism.

Preferably, the core inserting mold comprises two female molds and two male molds, wherein the two female molds are arranged oppositely, and the male molds and the female molds are driven to be closed through a driving mechanism.

Preferably, including at least one V type opening piece on the die, the V type V style of opening piece is opened the socket, the lock pin inserts the V type opening piece and struts the die.

Preferably, the ferrule is a wedge-shaped insert matched with the V-shaped opening groove.

Preferably, the outer wall of the inserting core is in sliding connection with the inner wall of the female die.

Preferably, the female die is provided with a positioning block for attaching to the end face of the workpiece, and the positioning block is arranged in the insertion opening of the insertion core; the die is characterized in that a baffle used for being attached to the positioning block is arranged on the inserting core, and the baffle is arranged at one end, far away from the female die, of the inserting core.

Preferably, the joint surface of the core insert and the female die is provided with textures.

In another aspect, the present invention further provides a stamping method for a ferrule mold according to any one of the preceding claims, the method including the following steps:

inserting the female die into a workpiece;

inserting the inserting core into the female die through a socket on the female die;

the male die and the female die are matched to punch and form a workpiece;

separating the male die from the female die;

the insert core exits from the female die;

and the female die withdraws from the workpiece.

Compared with the prior art, the invention has the following beneficial effects:

in the invention, a female die enters a hollow workpiece through a driving mechanism, a plug core insertion opening is arranged in the female die, a plug core is inserted into the female die through the insertion opening, and the female die is expanded to fill the inside of the workpiece; the insert core is withdrawn from the female die, and the female die is contracted to withdraw the workpiece; through the flexible of die, solved the product shaping back, the die interferes the problem that can't withdraw from with the product, and this lock pin mould is rational in infrastructure, and production efficiency is high, easily automation.

Drawings

Fig. 1 is a schematic structural diagram of a ferrule mold according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a ferrule and a mold according to an embodiment of the invention;

in the figure: 1. inserting a core; 2. a female die; 3. a male die; 4. a workpiece; 5. a concave plate; 6. a slide rail; 7. a groove; 8. positioning blocks; 9. and a baffle plate.

Detailed Description

The present invention is further described with reference to the accompanying drawings, and the following examples are only for clearly illustrating the technical solutions of the present invention, and should not be taken as limiting the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Example 1

The embodiment of the invention provides a die for punch forming of cavity parts, which comprises two female dies 2 arranged oppositely, two male dies 3 arranged oppositely and a core insert 1; the male dies 3 and the female dies 2 are driven to be matched through a driving mechanism, the workpiece 4 is arranged between the two female dies 2 and the two male dies 3, the workpiece 4 is arranged in a hollow mode, when the core inserting die needs to be matched, the driving mechanism drives the female dies 2 to enter the workpiece 4 arranged in the hollow mode, and a partition plate is horizontally arranged in the workpiece 4 to divide the workpiece 4 into an upper half portion and a lower half portion;

a socket matched with the inserting core 1 is arranged in the female die 2, the inserting core 1 is inserted into the socket, specifically, the inserting core 1 is inserted into or withdrawn from the female die 2 through the socket on the female die 2 through a driving mechanism (not shown in the figure), and when the inserting core 1 is inserted into the female die 2, the female die 2 props up the interior of a filling workpiece 4; the driving mechanism drives the inserting core 1 at the other side to be inserted into the female die 2; the driving mechanism drives the male die 3 and the female die 2 to be matched with each other, and a product is punched and formed; the driving mechanism drives the insert core 1 to exit from the socket of the female die 2, and the female die 2 contracts and exits from the workpiece 4;

the female die 2 comprises at least one V-shaped opening member, in the embodiment, the number of the V-shaped opening members is 2, one V-shaped opening member on the female die 2 is inserted into the upper half part of the workpiece, and the other V-shaped opening member on the female die 2 is inserted into the lower half part of the workpiece; one sides of the pair of concave plates 5 are elastically connected to form a V-shaped opening part, and the concave plates 5 are provided with slide rails 6 along the insertion direction of the ferrule 1; the V-shaped opening of the V-shaped opening piece is the socket; the inserting core 1 is a wedge-shaped inserting piece matched with the V-shaped opening groove.

The insert core 1 is inserted into a V-shaped opening piece to open the female die 2, and the outer wall of the insert core 1 is connected with the inner wall of the female die 2 in a sliding manner; grooves 7 are formed in two sides of the ferrule 1, and the ferrule 1 is slidably connected to the slide rail 6 through the grooves 7; the binding face of the inserting core 1 and the die 2 is provided with textures, so that the friction between the inserting core 1 and the die 2 is increased, and the inserting core 1 can be better bound with the die 2.

The female die 2 is also provided with a positioning block 8 which is used for being attached to the end face of the workpiece 4, and the positioning block 8 is arranged on a socket of the inserting core, so that the positioning block 8 on the female die 2 is attached to an opening on one side of the workpiece 4, and the female die 2 is positioned when entering the workpiece 4; the ferrule 1 is provided with a baffle 9 for being attached to the positioning block 8, the baffle 9 is arranged at one end of the ferrule 1 far away from the female die 2, and when the ferrule 1 enters the female die 2 through the driving mechanism, the baffle 9 is attached to the positioning block 8, so that the ferrule 1 is accurately positioned when being inserted into the female die 2; when the inserting core 2 is withdrawn from the inserting opening, the female die 2 is contracted and withdrawn from the inside of the workpiece 4.

In the embodiment, the wedge-shaped design is adopted between the female die 2 and the inserting core 1, and the driving mechanism controls the inserting core 1 to enter and exit the female die 2, so that the whole female die 2 is expanded and contracted, the problem that the female die 2 cannot exit due to interference of a formed product after the product is formed is solved, the structure is reasonable, manual operation is effectively reduced, and the automation degree is high.

Example 2:

the embodiment also provides a stamping method of the stamping ferrule 1 die, which is suitable for the stamping die described in embodiment 1: as shown in fig. 1 to 2, before the die stamping is started, the ferrule 1 is in a state of being withdrawn from the female die 2, and the female die 2 is in a contracted state; during operation, the driving mechanism drives the female die 2 to enter the workpiece 4, the driving mechanism drives the ferrule 1 to enter the female die 2, the female die 2 is unfolded, the female die 2 fills the inside of the workpiece 4, the driving mechanism drives the male dies 3 on the two sides and the female die 2 to be matched, the male dies 3 and the female die 2 are matched with a die to be punched, after the die is punched, the driving mechanism drives the male dies 3 on the two sides to be separated, and the driving mechanism drives the ferrule 1 to exit the female die 2; the female die 2 contracts, and the driving mechanism drives the female die 2 to withdraw from the workpiece 4.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.