Compression molding die for processing insulation pad

Abstract

The utility model provides a compression molding die for processing an insulation pad, which comprises an upper die plate and a lower die plate, the upper die plate and the lower die plate are correspondingly arranged up and down, a middle plate is arranged between the upper die plate and the lower die plate, the upper die plate is provided with an upper die core, the lower die plate is provided with a lower die cavity, the middle plate is provided with a middle die cavity, and the middle die cavity and the lower die cavity form a die cavity. And a product is subjected to hot press molding in the mold cavity. The upper mold core penetrates through the middle mold cavity and extends into the lower mold cavity, and the lower end face of the upper mold core abuts against the bottom face of the lower mold cavity. The middle plate is designed between the upper die plate and the lower die plate, the I-shaped insulation pad can be formed through compression molding, the production requirement is met, and the production cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the field of mold processing, and in particular relates to a compression molding mold for processing insulating pads. Background Art

[0002] The compression molding die is a method of placing a certain amount of molding material into a metal die, plasticizing and flowing the molding material under a certain temperature and pressure, filling the cavity, and solidifying the molding material to form a product. Traditional insulation pad production usually adopts the compression molding process. The compression molded insulation pad has precise dimensions, smooth surface, one-time molding, high production efficiency, and is suitable for mass production. Traditional insulation pads use a mold including an upper mold and a lower mold, but in the process of producing I-shaped insulation pads, this compression molding mold is difficult to process, the initial investment of the mold is large, and it is difficult to maintain.

[0003] Therefore, the above problems need to be solved urgently. Utility Model Content

[0004] Purpose of the utility model: In order to overcome the above-mentioned shortcomings, the utility model provides a compression molding die for processing insulating pads, and an intermediate plate is added between the upper die and the lower die to produce I-shaped insulating pads. The application of the intermediate plate reduces the processing difficulty of the mold and reduces the initial investment in the mold.

[0005] Technical solution: In order to achieve the above-mentioned purpose, the utility model provides a compression molding die for processing insulating pads, including: an upper template and a lower template. The upper template and the lower template are arranged correspondingly up and down, a middle plate is arranged between the upper template and the lower template, the upper template is provided with an upper mold core, the lower template is provided with a lower mold cavity, the middle plate is provided with a middle mold cavity, the middle mold cavity and the lower mold cavity form a product mold cavity, and the product is hot-pressed in the above-mentioned product mold cavity. The upper mold core passes through the middle mold cavity, and the upper mold core extends into the lower mold cavity. The lower end surface of the upper mold core contacts the bottom surface of the lower mold cavity. When the utility model is compression molded, the middle plate and the lower template are first molded together, and the molding material is placed in the middle mold cavity. Then, the upper template is molded toward the lower template, and the upper mold core extrude the molding material. The molding material is squeezed into the mold cavity formed by the middle mold cavity and the lower mold cavity, so that the molding material fills the mold cavity. When splitting the mold, the upper template and the middle plate are separated in sequence. A middle plate is designed between the upper and lower templates, and an I-shaped insulating pad is molded to reduce the difficulty of mold processing, reduce the initial investment in the mold, adapt to production needs, and reduce production costs.

[0006] Furthermore, in the above-mentioned compression molding die for processing insulating pads, a groove is provided on the top surface of the lower template, the width of the middle plate corresponds to the width of the groove, the length of the middle plate is greater than the length of the lower template, and when the mold is closed, the middle plate is placed in the groove, the top surface of the middle plate is flush with the top surface of the lower template, and the two ends of the middle plate in the length direction extend out of the lower template, and the top surface of the lower template fits with the bottom surface of the upper template. The middle plate in the length direction extends out of the lower template to provide a force position when closing and parting the mold.

[0007] Furthermore, in the above-mentioned compression molding die for processing insulating pads, the middle mold cavity includes an upper middle mold cavity and a lower middle mold cavity, an inner buckle cavity is provided between the upper middle mold cavity and the lower middle mold cavity, and the upper middle mold cavity and the lower middle mold cavity are connected through the inner buckle cavity.

[0008] Furthermore, in the above-mentioned compression molding die for processing insulating pads, the upper mold core includes a mold core bottom, a mold core middle, and a mold core top. The mold core bottom is arranged on the bottom surface of the upper mold plate, and the mold core bottom, mold core middle, and mold core top are arranged in sequence as a whole.

[0009] Furthermore, in the above-mentioned compression molding die for processing the insulating pad, in order to obtain the inclined wall of the insulating pad, the cross section of the bottom of the mold core is an inverted cone, in order to obtain the middle opening of the insulating pad, the cross section of the middle of the mold core is a rectangle, and the cross section of the top of the mold core is a rectangle with short side arcs. The cross section of the middle of the mold core is larger than the cross section of the top of the mold core.

[0010] Furthermore, in the above-mentioned compression molding die for processing insulating pads, an upper mold cavity is provided on the bottom surface of the upper mold plate, and the upper mold cavity is provided on the outer periphery of the upper mold core. The upper mold cavity, the middle mold cavity and the lower mold cavity together constitute a mold cavity.

[0011] Furthermore, in the above-mentioned compression molding die for processing insulating pads, in order to ensure accurate alignment of the middle plate and the lower template, the middle plate is provided with a first positioning hole, the lower template is provided with a corresponding second positioning hole, and positioning columns are passed through the first positioning hole and the second positioning hole.

[0012] Furthermore, in the above-mentioned compression molding die for processing insulating pads, in order to reduce processing difficulty and reduce mold costs, the lower mold cavity is arranged on the top surface of the removable boss, and the removable boss is detachably connected to the top surface of the lower mold plate. The removable boss is conducive to mold maintenance and extends the life of the mold.

[0013] Furthermore, in the above-mentioned compression molding die for processing the insulating pad, the top surface of the removable boss is provided with an overflow groove, the overflow groove is arranged outside the lower mold cavity, and the overflow groove and the lower mold cavity are connected through an overflow hole. Waste generated during the molding process flows into the overflow groove through the overflow hole, reducing the generation of burrs and ensuring the quality and precision of the insulating pad product.

[0014] Furthermore, in the above-mentioned compression molding die for processing insulating pads, in order to mold multiple insulating pads at one time and improve production efficiency, the upper mold cores are provided with 2 or more, and the corresponding middle mold cavities and lower mold cavities are respectively provided with 2 or more.

[0015] It can be seen from the above technical scheme that the utility model has the following beneficial effects: the utility model is used for the compression molding die for processing the insulating pad, the structure design is reasonable, the middle plate is designed between the upper template and the lower template, and the I-shaped insulating pad can be compression molded, which reduces the difficulty of mold processing, reduces the initial investment of the mold, adapts to production needs, and reduces production costs. The removable boss provided on the lower template reduces the difficulty of processing, reduces the cost of mold development, facilitates the subsequent maintenance of the mold, and extends the service life of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the mold closing of the compression molding mold used for processing the insulating pad of the utility model;

[0017] Figure 2 This is a schematic diagram of the mold splitting of the utility model;

[0018] Figure 3 is a front view of the middle plate;

[0019] Figure 4 is a front view of the upper template;

[0020] Figure 5 is a front view of the lower template;

[0021] Figure 6 This is a top view of the mold assembly of the utility model;

[0022] Figure 7 It is a schematic diagram of the structure of the insulating pad.

[0023] In the figure: 1. upper template, 11. upper mold core, 111. bottom of mold core, 112. middle of mold core, 113. top of mold core, 12. upper mold cavity, 2. middle plate, 21. middle mold cavity, 211. upper middle mold cavity, 212. lower middle mold cavity, 213. inner buckle cavity, 22. first positioning hole, 3. lower template, 31. lower mold cavity, 32. groove, 33. second positioning hole, 34. overflow groove, 35. removable boss. DETAILED DESCRIPTION

[0024] Example 1

[0025] like Figure 1-2The mold for molding an insulating pad shown in the figure comprises an upper mold plate 1 and a lower mold plate 3. The upper mold plate 1 and the lower mold plate 3 are arranged correspondingly from top to bottom. A middle plate 2 is arranged between the upper mold plate 1 and the lower mold plate 3. The upper mold plate 1 is provided with an upper mold core 11, and the lower mold plate 3 is provided with a lower mold cavity 31. The middle plate 2 is provided with a middle mold cavity 21. The middle mold cavity 21 and the lower mold cavity 31 form a product mold cavity. The product is hot-pressed in the above-mentioned product mold cavity. The upper mold core 11 passes through the middle mold cavity 21, and the upper mold core 11 extends into the lower mold cavity 31. The lower end surface of the upper mold core 11 abuts against the bottom surface of the lower mold cavity 31. A groove 32 is arranged on the top surface of the lower mold plate 3. The width of the middle plate 2 corresponds to the width of the groove 32. The length of the middle plate 2 is greater than the length of the lower mold plate 3. When the mold is closed, the middle plate 2 is placed in the groove 32, the top surface of the middle plate 2 is flush with the top surface of the lower mold plate 3, and the two ends of the middle plate 2 in the length direction extend out of the lower mold plate 3. The top surface of the lower mold plate 3 fits the bottom surface of the upper mold plate 1. In order to ensure the precise alignment of the middle plate 2 and the lower mold plate 3, the middle plate 2 is provided with a first positioning hole 22, and the lower mold plate 3 is provided with a corresponding second positioning hole 33, and positioning columns are inserted into the first positioning hole 22 and the second positioning hole 33. When the utility model is die-cast, the middle plate 2 and the lower mold plate 3 are first molded together, and the molding material is placed in the middle mold cavity 21, and then the upper mold plate 1 is molded toward the lower mold plate 3, and the upper mold core 11 extrude the molding material, and the molding material is squeezed into the mold cavity formed by the middle mold cavity 21 and the lower mold cavity 31 to extrude and shape, so that the molding material fills the mold cavity. When splitting the mold, the upper mold plate 1 and the middle plate 2 are separated in order.

[0026] like Figure 3 The compression molding die shown is used for processing insulating pads, and the middle mold cavity 21 includes an upper middle mold cavity 211 and a lower middle mold cavity 212. An inner cavity 213 is provided between the upper middle mold cavity 211 and the lower middle mold cavity 212, and the upper middle mold cavity 211 and the lower middle mold cavity 212 are connected through the inner cavity 213.

[0027] like Figure 4 The compression molding die for processing an insulating pad shown in the figure, the upper mold core 11 includes a mold core bottom 111, a mold core middle 112, and a mold core top 113. The mold core bottom 111 is arranged on the bottom surface of the upper mold plate 1, and the mold core bottom 111, the mold core middle 112, and the mold core top 113 are arranged in sequence. In order to obtain the inclined wall of the insulating pad, the cross-section of the mold core bottom 111 is an inverted cone. In order to obtain the middle opening of the insulating pad, the cross-section of the mold core middle 112 is a rectangle, and the cross-section of the mold core top 113 is a rectangle with a short side arc. The cross-section of the mold core middle 112 is larger than the cross-section of the mold core top 113. An upper mold cavity 12 is provided on the bottom surface of the upper mold plate 1. The upper mold cavity 12 is arranged on the outer periphery of the upper mold core 11. The upper mold cavity 12 and the middle mold cavity 21 and the lower mold cavity 31 together constitute a mold cavity.

[0028] like Figure 5In the compression molding die for processing the insulating pad shown, in order to reduce the processing difficulty and reduce the mold cost, the lower mold cavity 31 is arranged on the top surface of the removable boss 35, and the removable boss 35 is detachably connected to the top surface of the lower mold plate 3. The top surface of the removable boss 35 is provided with an overflow groove 34, which is arranged outside the lower mold cavity 31, and the overflow groove 34 and the lower mold cavity 31 are connected through an overflow hole. The waste generated during the molding process flows into the overflow groove 34 through the overflow hole, reducing the generation of burrs and ensuring the quality and precision of the insulating pad product.

[0029] like Figure 6 The compression molding die for processing insulating pads shown is provided with two or more upper mold cores 11 in order to mold multiple insulating pads at one time and improve production efficiency, and the corresponding middle mold cavities 21 and lower mold cavities 31 are respectively provided with two or more.

[0030] The above embodiments are exemplary, and their purpose is to illustrate the technical concept and features of the utility model so that people familiar with this field can understand the content of the utility model and implement it accordingly, and they cannot limit the protection scope of the utility model in turn. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A compression molding die for processing an insulating pad, characterized in that: The invention comprises an upper mold plate (1) and a lower mold plate (3), wherein the upper mold plate (1) and the lower mold plate (3) are arranged correspondingly in the upper and lower parts, and a middle plate (2) is arranged between the upper mold plate (1) and the lower mold plate (3), wherein the upper mold plate (1) is provided with an upper mold core (11), and the lower mold plate (3) is provided with a lower mold cavity (31), and the middle plate (2) is provided with a middle mold cavity (21), wherein the middle mold cavity (21) and the lower mold cavity (31) form a product mold cavity, and the product is hot-pressed in the above-mentioned product mold cavity; the upper mold core (11) passes through the middle mold cavity (21), and the upper mold core (11) extends into the lower mold cavity (31), and the lower end surface of the upper mold core (11) abuts against the bottom surface of the lower mold cavity (31).

2. The compression molding die for processing an insulating pad according to claim 1, characterized in that: The top surface of the lower template (3) is provided with a groove (32), the width of the middle plate (2) corresponds to the width of the groove (32), the length of the middle plate (2) is greater than the length of the lower template (3), and when the mold is closed, the middle plate (2) is placed in the groove (32), the two ends of the middle plate (2) in the length direction extend out of the lower template (3), the top surface of the middle plate (2) is flush with the top surface of the lower template (3), and the top surface of the lower template (3) is in contact with the bottom surface of the upper template (1).

3. The compression molding die for processing an insulating pad according to claim 1, characterized in that: The middle mold cavity (21) comprises an upper middle mold cavity (211) and a lower middle mold cavity (212); an inner buckle cavity (213) is provided between the upper middle mold cavity (211) and the lower middle mold cavity (212); and the upper middle mold cavity (211) and the lower middle mold cavity (212) are connected via the inner buckle cavity (213).

4. The compression molding die for processing an insulating pad according to claim 1, characterized in that: The upper mold core (11) comprises a mold core bottom (111), a mold core middle portion (112), and a mold core top portion (113); the mold core bottom (111) is arranged on the bottom surface of the upper mold plate (1); and the mold core bottom (111), the mold core middle portion (112), and the mold core top portion (113) are arranged in sequence as one piece.

5. The compression molding die for processing insulating pads according to claim 4, characterized in that: The cross section of the bottom (111) of the mold core is an inverted cone, the cross section of the middle (112) of the mold core is a rectangle, and the cross section of the top (113) of the mold core is a rectangle with a short arc side; the cross section of the middle (112) of the mold core is larger than the cross section of the top (113) of the mold core.

6. The compression molding die for processing an insulating pad according to claim 1, characterized in that: An upper mold cavity (12) is provided on the bottom surface of the upper mold plate (1), and the upper mold cavity (12) is arranged on the outer periphery of the upper mold core (11). The upper mold cavity (12), the middle mold cavity (21), and the lower mold cavity (31) together constitute a mold cavity.

7. The compression molding die for processing an insulating pad according to claim 1, characterized in that: The middle plate (2) is provided with a first positioning hole (22), the lower template (3) is provided with a corresponding second positioning hole (33), and positioning columns are inserted into the first positioning hole (22) and the second positioning hole (33).

8. The compression molding die for processing an insulating pad according to claim 1, characterized in that: The lower mold cavity (31) is arranged on the top surface of the detachable boss (35), and the detachable boss (35) is detachably connected to the top surface of the lower mold plate (3).

9. The compression molding die for processing an insulating pad according to claim 8, characterized in that: An overflow groove (34) is provided on the top surface of the removable boss (35), the overflow groove (34) is arranged outside the lower mold cavity (31), and the overflow groove (34) and the lower mold cavity (31) are connected through an overflow hole.

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