阅读说明：本技术 一种冷压成型自加热模具和自加热模具的制作工艺 (Cold press molding self-heating mold and manufacturing process thereof ) 是由 邱随学 蒋俊杰 谢长志 朱家强 王滨 于 2020-12-26 设计创作，主要内容包括：本发明涉及一种冷压成型自加热模具和自加热模具的制作工艺,包括上模具、下模具、模具镶块、电源插头线槽、模具限位块；上模具和下模具形成产品模腔,上模具和下模具上均设置有电源插头线槽；上模具或下模具上设置有决定合模后产品模腔的高度的模具限位块。本发明的上模具、下模具的中间夹心层为轻型绝缘隔热材料,具有绝缘,保温隔热,同时具有一定结构强度等功能,外层包裹材质为高强度绝缘材料,具有绝缘,导热,同时具有结构强度等功能。将加热丝与电源线通过导电材料连接固定,然后用高强度绝缘材料包裹成型,按照3D模型加工,最后接好电源插头制成模具。本发明具有重量轻、成本低、使用寿命长、操作安全风险小等特点。(The invention relates to a cold press molding self-heating mould and a manufacturing process of the self-heating mould, which comprises an upper mould, a lower mould, a mould insert, a power plug wire groove and a mould limiting block, wherein the upper mould is provided with a first groove and a second groove; the upper die and the lower die form a product die cavity, and power plug wire grooves are formed in the upper die and the lower die; and a die limiting block for determining the height of the die cavity of the product after die assembly is arranged on the upper die or the lower die. The middle sandwich layer of the upper die and the lower die is made of light insulating materials, so that the insulating material has the functions of insulation, heat preservation, heat insulation, certain structural strength and the like, and the outer layer is made of high-strength insulating materials, so that the insulating material has the functions of insulation, heat conduction, structural strength and the like. And connecting and fixing the heating wire and the power line through a conductive material, then wrapping and molding the heating wire and the power line by using a high-strength insulating material, processing the heating wire and the power line according to a 3D model, and finally connecting a power plug to manufacture a mould. The invention has the characteristics of light weight, low cost, long service life, small operation safety risk and the like.)

1. The utility model provides a cold press forming self-heating mould which characterized in that: the cold press forming self-heating mold comprises:

the device comprises an upper die, a lower die, a die insert, a power plug wire groove and a die limiting block;

the upper die and the lower die form a product die cavity, and the formed product is positioned in the product die cavity between the upper die and the lower die; the die inserts comprise two groups which are respectively positioned at two ends of a product die cavity formed by the upper die and the lower die; the upper die and the lower die are both provided with power plug wire grooves; and a die limiting block for determining the height of the die cavity of the product after die assembly is arranged on the upper die or the lower die.

2. The cold press forming, self heating mold of claim 1, wherein: the die insert comprises a positioning block, a limiting block and a product end profile insert; the positioning block is partially embedded in the lower die, the positioning block is fixed all around, the limiting block and the profile insert are naturally placed on the lower die and can move left and right, and the limiting block and the profile insert are pushed to the positioning block in a tight mode during molding.

3. The cold press forming, self heating mold of claim 1, wherein: the upper die and the lower die respectively comprise an insulating layer, a heating layer and a structural layer; the heating layer and the structural layer are positioned in the heat-insulating layer.

4. The cold press forming, self heating mold of claim 1, 2 or 3, wherein: the upper die is a structure protruding towards the lower die; the lower die is provided with a groove structure corresponding to the raised structure.

5. The cold press forming, self heating mold of claim 1, 2 or 3, wherein: the die limiting block is detachably fixed on the upper die or the lower die.

6. The cold press forming, self heating mold of claim 5, wherein: the die limiting block is fixed on the upper die or the lower die through screws.

7. The cold press forming, self heating mold of claim 3, wherein: the structural layer is a skin covering wrapping the outer surfaces of the heat preservation layer and the heating layer, and is made of a high-strength fiber composite material.

8. A manufacturing process of a cold press molding self-heating mold is characterized by comprising the following steps: the manufacturing process comprises the following steps:

step 1: selecting a light insulating and heat insulating material with insulation, heat preservation and heat insulation and certain structural strength, manufacturing a rough blank of the die into a proper size, and processing according to a 3D model of the rough blank of the die to obtain a heat preservation layer of the die;

step 2: laying a power line on the cavity surface of the mold heat-preservation layer, and fixing the power line on the rough blank of the mold;

and step 3: laying a heating wire on the surface of the mold cavity, connecting the heating wire and a power line together through a conductive material, and fixing the heating wire and the mold body together by using an adhesive to prepare a heating layer;

and 4, step 4: the structural layer is formed by integrally wrapping a die rough blank by using a material with the functions of insulation, heat conduction, structural strength and the like, and then processing according to a 3D model of the die to obtain the final shape and size of the die;

and 5: and connecting the power line with a power plug to obtain the finished product mold.

9. The process of making a cold press forming self-heating mold according to claim 8, wherein: in the step 1, a foam material is used as a mould heat-insulating layer;

in the step 2, a single-stranded wire is used as a die heating power supply wire;

in the step 3, carbon fibers are used as a mold heating wire;

in the step 4, the glass fiber composite material is used as a mould structure layer;

and 5, using the explosion-proof plug as a power connector of the die.

10. The process of making a cold press forming self-heating mold according to claim 8, wherein: in the step 1, a wood plate material is used as a mould heat-insulating layer;

in the step 2, a plurality of strands of wires are used as a die heating power line;

using the resistance wire as a mould heating wire in the step 3;

in the step 4, the glass fiber composite material is used as a mould structure layer;

and 5, using a common plug as a power connector of the die.

Technical Field

The invention relates to a self-heating mold and a manufacturing process thereof, in particular to a cold press molding self-heating mold and a manufacturing process thereof, which have the advantages of light weight, low cost, long service life and small operation safety risk.

Background

The mold is widely applied in various fields of manufacturing industry, helps people to manufacture various articles quickly and in large quantity, but is limited by aspects such as cost and technology, and the traditional metal material mold has the following defects of heavy mass, high cost, large shrinkage rate, easy corrosion and rust on the surface, long repair period of cavity damage, high cost, and the need of heating equipment for assistance in use, thereby increasing the manufacturing cost.

Disclosure of Invention

In view of the above problems, the main object of the present invention is to provide a cold press molding self-heating mold and a manufacturing process thereof, which are light in weight, low in cost, long in service life and low in operation safety risk.

The invention solves the technical problems through the following technical scheme: a cold press forming, self-heating mold, comprising:

the device comprises an upper die, a lower die, a die insert, a power plug wire groove and a die limiting block;

the upper die and the lower die form a product die cavity, and the formed product is positioned in the product die cavity between the upper die and the lower die; the die inserts comprise two groups which are respectively positioned at two ends of a product die cavity formed by the upper die and the lower die; the upper die and the lower die are both provided with power plug wire grooves; and a die limiting block for determining the height of the die cavity of the product after die assembly is arranged on the upper die or the lower die.

In a specific embodiment of the present invention, the die insert includes a positioning block, a limiting block and a product end profile insert; the positioning block is partially embedded in the lower die, the positioning block is fixed all around, the limiting block and the profile insert are naturally placed on the lower die and can move left and right, and the limiting block and the profile insert are pushed to the positioning block in a tight mode during molding.

In a specific embodiment of the present invention, each of the upper mold and the lower mold includes an insulating layer, a heating layer, and a structural layer; the heating layer and the structural layer are positioned in the heat-insulating layer.

In a specific embodiment of the present invention, the upper mold is a structure protruding toward the lower mold; the lower die is provided with a groove structure corresponding to the raised structure.

In a specific embodiment of the present invention, the mold stopper is detachably fixed to the upper mold or the lower mold.

In a specific embodiment of the present invention, the die stopper is fixed to the upper die or the lower die by screws.

In a specific embodiment of the invention, the structural layer is a skin covering wrapping the outer surfaces of the heat preservation layer and the heating layer, and the structural layer is made of a high-strength fiber composite material.

A manufacturing process of a cold press molding self-heating mold comprises the following steps:

step 1: selecting a light insulating and heat insulating material with insulation, heat preservation and heat insulation and certain structural strength, manufacturing a rough blank of the die into a proper size, and processing according to a 3D model of the rough blank of the die to obtain a heat preservation layer of the die;

step 2: laying a power line on the cavity surface of the mold heat-preservation layer, and fixing the power line on the rough blank of the mold;

and step 3: laying a heating wire on the surface of the mold cavity, connecting the heating wire and a power line together through a conductive material, and fixing the heating wire and the mold body together by using an adhesive to prepare a heating layer;

and 4, step 4: the structural layer is formed by integrally wrapping a die rough blank by using a material with the functions of insulation, heat conduction, structural strength and the like, and then processing according to a 3D model of the die to obtain the final shape and size of the die;

and 5: and connecting the power line with a power plug to obtain the finished product mold.

In the embodiment of the invention, in the step 1, a foam material is used as a mold heat-insulating layer;

in the step 2, a single-stranded wire is used as a die heating power supply wire;

in the step 3, carbon fibers are used as a mold heating wire;

in the step 4, the glass fiber composite material is used as a mould structure layer;

and 5, using the explosion-proof plug as a power connector of the die.

In the embodiment of the invention, in the step 1, a wood board material is used as the mould insulation layer;

in the step 2, a plurality of strands of wires are used as a die heating power line;

using the resistance wire as a mould heating wire in the step 3;

in the step 4, the glass fiber composite material is used as a mould structure layer;

and 5, using a common plug as a power connector of the die.

The positive progress effects of the invention are as follows: the cold press molding self-heating mold provided by the invention has the following advantages: the invention relates to a cold press molding self-heating mold manufacturing process, which has a sandwich structure, wherein a middle sandwich layer is a light insulating material, and has the functions of insulation, heat preservation, heat insulation, certain structural strength and the like, and an outer layer is made of a high-strength insulating material, and has the functions of insulation, heat conduction, structural strength and the like. Laying a main power line and a heating wire on the light insulating and heat insulating material, connecting and fixing the heating wire and the power line through a conductive material, then wrapping and molding the heating wire and the power line by using a high-strength insulating material, processing the heating wire and the power line according to a 3D model, and finally connecting a power plug to manufacture a mould. The cold press molding self-heating mold has the characteristics of light weight, low cost, long service life, small operation safety risk and the like.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a cross-sectional view of the upper mold of the present invention.

FIG. 3 is a cross-sectional view of the lower mold of the present invention.

The following are the names corresponding to the reference numbers in the invention:

the device comprises an upper die 1, a lower die 2, a product 3, a die insert 4, a power plug wire slot 5 and a die limiting block 6;

insulating layer 100, heating layer 200, structural layer 300.

Detailed Description

The following provides a detailed description of the preferred embodiments of the present invention with reference to the accompanying drawings.

Fig. 1 is a schematic view showing an overall structure of the present invention, fig. 2 is a sectional view of an upper mold of the present invention, and fig. 3 is a sectional view of a lower mold of the present invention, as shown in the above-mentioned figures: the invention provides a cold press molding self-heating mould, which comprises: the device comprises an upper die 1, a lower die 2, a die insert 4, a power plug wire groove 5 and a die limiting block 6.

The upper die 1 and the lower die 2 form a product die cavity, and the formed product 3 is positioned in the product die cavity between the upper die 1 and the lower die 2; the die inserts 4 comprise two groups which are respectively positioned at two ends of a product die cavity formed by the upper die 1 and the lower die 2; the upper die 1 and the lower die 2 are both provided with power plug wire slots 5; and a die limiting block 6 for determining the height of the die cavity of the product after die assembly is arranged on the upper die 1 or the lower die 2.

The die insert 4 comprises a positioning block 401, a limiting block 402 and a product end profile insert 403; the positioning block is partially embedded in the lower die and is not movable from front to back, left to right, the limiting block and the contour insert are naturally placed on the lower die and can move from left to right, and the limiting block and the contour insert are pushed to the positioning block in a tightening mode during molding.

Fig. 2 is a sectional view of an upper mold in the present invention, and fig. 3 is a sectional view of a lower mold in the present invention, as shown in fig. 2 to 3: the upper die 1 and the lower die 2 provided by the invention both comprise a heat-insulating layer 100, a heating layer 200 and a structural layer 300; the heating layer 200 and the structural layer 300 are located within the insulating layer 100.

The structural layer 300 is a skin covering the outer surfaces of the heat insulating layer and the heating layer, and the structural layer 300 is made of a high-strength fiber composite material.

The upper die 1 is a structure protruding towards the lower die 2; the lower mold 2 is provided with a groove structure corresponding to the convex structure.

The die limiting block 6 is detachably fixed on the upper die 1 or the lower die 2, and in the specific implementation process, the die limiting block 6 is fixed on the upper die 1 or the lower die 2 by screws, and is fixed on the lower die 2 in the drawing.

The invention provides a manufacturing process of a cold press molding self-heating mould, which comprises the following steps: step 1: selecting a light insulating and heat insulating material with insulation, heat preservation and heat insulation and certain structural strength, manufacturing a rough blank of the die into a proper size, and processing according to a 3D model of the rough blank of the die to obtain a heat preservation layer of the die;

step 2: laying a power line on the cavity surface of the mold heat-preservation layer, and fixing the power line on the rough blank of the mold;

and step 3: laying a heating wire on the surface of the mold cavity, connecting the heating wire and a power line together through a conductive material, and fixing the heating wire and the mold body together by using an adhesive to prepare a heating layer;

and 4, step 4: the structural layer is formed by integrally wrapping a die rough blank by using a material with the functions of insulation, heat conduction, structural strength and the like, and then processing according to a 3D model of the die to obtain the final shape and size of the die;

and 5: and connecting the power line with a power plug to obtain the finished product mold.

In a specific embodiment, in the step 1, a foam material is used as a mold heat-insulating layer;

in the step 2, a single-stranded wire is used as a die heating power supply wire;

in the step 3, carbon fibers are used as a mold heating wire;

in the step 4, the glass fiber composite material is used as a mould structure layer;

and 5, using the explosion-proof plug as a power connector of the die.

In another specific embodiment, in step 1, a wood board material is used as a mold insulating layer;

in the step 2, a plurality of strands of wires are used as a die heating power line;

using the resistance wire as a mould heating wire in the step 3;

in the step 4, the glass fiber composite material is used as a mould structure layer;

and 5, using a common plug as a power connector of the die.

The invention relates to a cold press molding self-heating mold manufacturing process, which has a sandwich structure, wherein a middle sandwich layer is a light insulating material, and has the functions of insulation, heat preservation, heat insulation, certain structural strength and the like, and an outer layer is made of a high-strength insulating material, and has the functions of insulation, heat conduction, structural strength and the like. Laying a main power line and a heating wire on the light insulating and heat insulating material, connecting and fixing the heating wire and the power line through a conductive material, then wrapping and molding the heating wire and the power line by using a high-strength insulating material, processing the heating wire and the power line according to a 3D model, and finally connecting a power plug to manufacture a mould. The cold press molding self-heating mold has the characteristics of light weight, low cost, long service life, small operation safety risk and the like.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.