Arc-shaped heat insulation pad hot-pressing die with trimming function

Abstract

The utility model discloses an arc-shaped heat insulation pad hot-pressing die with a trimming function. The arc-shaped heat insulation pad hot-pressing die comprises a lower die and an upper die, the arc-shaped containing groove is defined by the two protruding blocks and the lower die base, the lower cutters are arranged at the joints of the two sides of the arc-shaped containing groove and the two protruding blocks, the first arc-shaped positioning groove is formed in the bottom face of the arc-shaped containing groove in a downward concave mode, the upper die is arranged over the lower die in a matched mode and can move up and down, and the arc-shaped protruding blocks are matched with the arc-shaped containing groove. Upper cutters are arranged at the connecting positions of the two sides of the arc-shaped protruding block and the upper die base, the upper cutters and the lower cutters are arranged in a matched and cutting mode, a second arc-shaped positioning groove is formed in the surface of the arc-shaped protruding block in an inwards-concave mode, and the second arc-shaped positioning groove is matched with the first arc-shaped positioning groove and is communicated with the first arc-shaped positioning groove in a right-facing mode; according to the hot-pressing die, redundant edges of PET films on the two sides of the heat insulation pad can be cut while the arc-shaped heat insulation pad is formed in a hot-pressing mode, hot pressing and cutting trimming are combined together, the production efficiency is improved, the working hours of workers are saved, operation is more standardized, and the product quality is improved.

Description

Technical Field

[0001] The utility model relates to the field of hot pressing moulds, in particular to a hot pressing mould of an arc-shaped heat insulation pad with a trimming function. Background Art

[0002] With the development of social economy and the improvement of people's living standards, more and more products are manufactured, many of which are made by molds. Molds are widely used in industrial production.

[0003] The so-called mold is a variety of molds and tools used in industrial production to obtain the desired products by methods such as injection molding, blow molding, extrusion, die casting, forging, smelting, stamping, hot pressing, etc. In short, the mold is a tool used to make molded objects. This tool is composed of various parts, and different molds are composed of different parts. It mainly realizes the processing of the shape of the object by changing the physical state of the molded material, and is known as the "mother of industry".

[0004] At present, the mold used for hot pressing the arc-shaped thermal insulation pad generally includes an upper mold and a lower mold. The lower mold is provided with an arc-shaped receiving cavity, and the upper mold is provided with an arc-shaped convex block. The arc-shaped convex block and the arc-shaped receiving cavity cooperate to hot press the thermal insulation pad. Figure 6 As shown, the thermal insulation pad 50 includes a main body 51 and a PET film 52). After the thermal insulation pad 50 is formed by hot pressing, the excess edges of the PET films 52 on both sides of the thermal insulation pad 50 need to be trimmed. Usually, the trimming is done manually. This production method has many steps and complicated operations, low production efficiency, consumes more worker hours, and has a high production cost of the product. Moreover, manual operation may result in large errors, resulting in the PET films 52 on both sides of the thermal insulation pad 50 being of different lengths, the product is not beautiful enough, and the quality of the product is affected. The defective rate of the product is high, which brings inconvenience to production and cannot meet existing needs. Therefore, it is necessary to study a new technical solution to improve the above problems. Utility Model Content

[0005] In view of this, the utility model aims to improve the shortcomings of the prior art, and its main purpose is to provide a hot pressing mold for an arc-shaped thermal insulation pad with a trimming function, which can effectively solve the problem in the prior art that the arc-shaped thermal insulation pad needs to be manually cut and trimmed after hot pressing. This production method has many steps and complicated operations, low production efficiency, consumes more worker hours, and has high production costs. Manual operation may result in large errors, resulting in different lengths of the PET films on both sides of the thermal insulation pad, the product is not beautiful, and the quality of the product is affected, and the defective rate is high.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A hot-pressing mold for an arc-shaped thermal insulation pad with a trimming function, comprising a lower mold and an upper mold; the lower mold comprises a lower mold base and protrusions protruding upwardly on the left and right edges of the upper surface of the lower mold base, the two protrusions and the lower mold base are surrounded to form an arc-shaped placement groove for placing the thermal insulation pad, a lower cutting knife is arranged at the connection between the two sides of the arc-shaped placement groove and the two protrusions, the bottom surface of the arc-shaped placement groove is concavely provided with a first arc-shaped positioning groove, and the first arc-shaped positioning groove is connected to the arc-shaped placement groove; the upper mold can be upwardly The lower mold is movably arranged just above the lower mold, and the upper mold includes an upper mold base and an arc-shaped protrusion protruding downward on the lower surface of the upper mold base, the arc-shaped protrusion is adapted to the arc-shaped receiving groove and there is a gap between the arc-shaped protrusion and the arc-shaped receiving groove, and upper cutting knives are arranged at the connection between the two sides of the arc-shaped protrusion and the upper mold base, and the upper cutting knife and the lower cutting knife are arranged for cutting, and a second arc-shaped positioning groove is concave inwardly provided on the surface of the arc-shaped protrusion, and the second arc-shaped positioning groove is adapted to and directly connected with the first arc-shaped positioning groove.

[0008] As a preferred solution, lower steps are provided on both sides of the first arc-shaped positioning groove, and the lower steps are chamfered structures. Upper steps are provided on both sides of the second arc-shaped positioning groove, and the upper steps are chamfered structures. They can effectively prevent the PET film of the insulation pad from being crushed during hot pressing, thereby improving product quality and bringing convenience to production.

[0009] As a preferred solution, the upper cutter and the lower cutter are both V-shaped cutters, which have a simple structure and are convenient and quick to cut.

[0010] As a preferred solution, the lower cutter is arranged to extend inwardly and tilted, and the upper cutter is arranged to extend outwardly and tilted. The upper cutter and the lower cutter are staggered left and right and cooperate in cutting, which effectively improves the cutting quality of the product.

[0011] As a preferred solution, the lower mold is made of stainless steel. Stainless steel has high hardness, high strength and good corrosion resistance, making the product more sturdy and durable.

[0012] As a preferred solution, the upper mold is made of stainless steel. Stainless steel has high hardness, high strength and good corrosion resistance, making the product more sturdy and durable.

[0013] As a preferred solution, the lower mold is square, and correspondingly, the upper mold is also square.

[0014] As a preferred solution, the lower cutting knife and the upper cutting knife are both made of stainless steel. Stainless steel has high hardness, high strength and good corrosion resistance, making the cutting knife more sturdy and durable.

[0015] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that:

[0016] The lower mold is provided with a lower mold base and protruding blocks protruding upward on the left and right edges of the upper surface of the lower mold base, the two protruding blocks and the lower mold base are surrounded to form an arc-shaped receiving groove for placing a heat insulation pad, a lower cutting knife is provided at the connection between the two sides of the arc-shaped receiving groove and the two protruding blocks, a first arc-shaped positioning groove is recessed downward on the bottom surface of the arc-shaped receiving groove, the first arc-shaped positioning groove is connected with the arc-shaped receiving groove, and the upper mold is arranged directly above the lower mold so as to be movable up and down. The upper mold includes an upper mold base and an arc-shaped protruding block protruding downward on the lower surface of the upper mold base, the arc-shaped protruding block is adapted to the arc-shaped receiving groove and there is a gap between the arc-shaped receiving groove, and an upper cutting knife is provided at the connection between the two sides of the arc-shaped protruding block and the upper mold base. The upper cutter and the lower cutter cooperate with the cutting setting, and the surface of the arc-shaped protrusion is concavely provided with a second arc-shaped positioning groove, and the second arc-shaped positioning groove is adapted to and directly connected with the first arc-shaped positioning groove. The hot pressing mold of this structure can cut the excess edges of the PET film on both sides of the thermal insulation pad while hot pressing and forming the arc-shaped thermal insulation pad, and combine the hot pressing and cutting and trimming together. There is no need to cut and trim after hot pressing and forming, with fewer steps and simple operation, which improves production efficiency, saves workers' working hours, and reduces the production cost of products. Moreover, the production operation is more standardized, reduces errors, makes the product more beautiful, improves the quality of the product, reduces the defective rate, brings convenience to production, and meets existing needs.

[0017] In order to more clearly illustrate the structural features and functions of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of a preferred embodiment of the utility model;

[0019] Figure 2 It is a cross-sectional view of a preferred embodiment of the utility model;

[0020] Figure 3 yes Figure 2 A magnified schematic diagram of the position A in the middle;

[0021] Figure 4 It is an exploded view of a preferred embodiment of the utility model;

[0022] Figure 5 It is an exploded view from another angle of the preferred embodiment of the utility model;

[0023] Figure 6 It is a schematic diagram of the three-dimensional structure of the thermal insulation pad.

[0024] Description of the accompanying drawings:

[0025] 10. Lower die 11. Lower die seat

[0026] 12. Bump 13. Step down

[0027] 101. arc-shaped positioning groove 102. first arc-shaped positioning groove

[0028] 20. Upper die 21. Upper die seat

[0029] 22. Arc-shaped bump 23. Step up

[0030] 201, gap 202, second arc-shaped positioning groove

[0031] 30, lower cutter 40, upper cutter

[0032] 50. Insulation pad 51. Main body

[0033] 52. PET film. DETAILED DESCRIPTION

[0034] Please refer to Figures 1 to 5 As shown, it shows the specific structure of a preferred embodiment of the utility model, including a lower mold 10 and an upper mold 20.

[0035] The lower mold 10 includes a lower mold base 11 and protrusions 12 protruding upward on the left and right edges of the upper surface of the lower mold base 11. The two protrusions 12 and the lower mold base 11 form an arc-shaped receiving groove 101 for placing the thermal insulation pad 50. A lower cutting knife 30 is provided at the connection between the two sides of the arc-shaped receiving groove 101 and the two protrusions 12. The bottom surface of the arc-shaped receiving groove 101 is concavely provided with a first arc-shaped positioning groove 102, and the first arc-shaped positioning groove 102 is connected to the arc-shaped receiving groove 101.

[0036] In this embodiment, lower steps 13 are provided on both sides of the first arc-shaped positioning groove 102. The lower steps 13 are rounded structures, which can effectively prevent the PET film 52 of the insulation pad 50 from being crushed during hot pressing, thereby improving the quality of the product and bringing convenience to production; the lower cutter 30 is a V-shaped cutter with a simple structure and convenient and quick cutting; the lower cutter 30 is extended inwardly; the lower mold 10 is made of stainless steel, which has high hardness, high strength and good corrosion resistance, making the product more sturdy and durable; the lower mold 10 is square; the lower cutter 30 is made of stainless steel, which has high hardness, high strength and good corrosion resistance, making the lower cutter 30 more sturdy and durable.

[0037] The upper mold 20 can be movably arranged up and down just above the lower mold 10, and the upper mold 20 includes an upper mold base 21 and an arc-shaped protrusion 22 protruding downward on the lower surface of the upper mold base 21, the arc-shaped protrusion 22 is adapted to the arc-shaped receiving groove 101 and there is a gap 201 between the arc-shaped protrusion 22 and the arc-shaped receiving groove 101, and upper cutters 40 are arranged at the connection between the two sides of the arc-shaped protrusion 22 and the upper mold base 21, and the upper cutter 40 and the lower cutter 30 are arranged for cutting, and the surface of the arc-shaped protrusion 22 is concavely provided with a second arc-shaped positioning groove 202, and the second arc-shaped positioning groove 202 is adapted to and directly connected with the first arc-shaped positioning groove 102.

[0038] In this embodiment, upper steps 23 are provided on both sides of the second arc-shaped positioning groove 202. The upper steps 23 are rounded structures, which can effectively prevent the PET film 52 of the insulation pad 50 from being crushed during hot pressing, thereby improving the quality of the product and bringing convenience to production; the upper cutter 40 is a V-shaped cutter with a simple structure and convenient and quick cutting; the upper cutter 40 is arranged to extend outwardly at an angle, and the upper cutter 40 and the lower cutter 30 are staggered left and right and cooperate in cutting, which effectively improves the cutting quality of the product; the upper mold 20 is made of stainless steel, which has high hardness, high strength and good corrosion resistance, making the product more sturdy and durable; the upper mold 20 is square; the upper cutter 40 is made of stainless steel, which has high hardness, high strength and good corrosion resistance, making the upper cutter 40 more sturdy and durable.

[0039] The use process of this embodiment is described in detail as follows:

[0040] First, prepare an aerogel and two PET films, and prepare a lower mold 10 and an upper mold 20; then, place a PET film on the lower mold 10, with the middle of the PET film placed in the arc-shaped placement groove 101, and the two sides of the PET film placed on the two protrusions 12; then, place an aerogel on the PET film and locate it in the first arc-shaped positioning groove 102; then place another PET film on the aerogel and cover the aerogel and the previous PET film; then, place the upper mold 20 on the lower mold 10, with the arc-shaped protrusion 22 matching the arc-shaped placement groove 101, and put the upper mold 20 and the lower mold 10 together into a hot press for hot pressing; during hot pressing, the arc-shaped protrusion 22 and the arc-shaped placement groove 101 cooperate to hot press the thermal insulation pad 50, and the upper cutter 40 and the lower cutter 30 cooperate to cut and trim the PET films 52 on both sides of the thermal insulation pad 50; after the hot pressing is completed, the thermal insulation pad 50 can be taken out without trimming the thermal insulation pad 50.

[0041] The design focus of this utility model is:

[0042] The lower mold is provided with a lower mold base and protruding blocks protruding upward on the left and right edges of the upper surface of the lower mold base, the two protruding blocks and the lower mold base are surrounded to form an arc-shaped receiving groove for placing a heat insulation pad, a lower cutting knife is provided at the connection between the two sides of the arc-shaped receiving groove and the two protruding blocks, a first arc-shaped positioning groove is recessed downward on the bottom surface of the arc-shaped receiving groove, the first arc-shaped positioning groove is connected with the arc-shaped receiving groove, and the upper mold is arranged directly above the lower mold so as to be movable up and down. The upper mold includes an upper mold base and an arc-shaped protruding block protruding downward on the lower surface of the upper mold base, the arc-shaped protruding block is adapted to the arc-shaped receiving groove and there is a gap between the arc-shaped receiving groove, and an upper cutting knife is provided at the connection between the two sides of the arc-shaped protruding block and the upper mold base. The upper cutter and the lower cutter cooperate with the cutting setting, and the surface of the arc-shaped protrusion is concavely provided with a second arc-shaped positioning groove, and the second arc-shaped positioning groove is adapted to and directly connected with the first arc-shaped positioning groove. The hot pressing mold of this structure can cut the excess edges of the PET film on both sides of the thermal insulation pad while hot pressing and forming the arc-shaped thermal insulation pad, and combine the hot pressing and cutting and trimming together. There is no need to cut and trim after hot pressing and forming, with fewer steps and simple operation, which improves production efficiency, saves workers' working hours, and reduces the production cost of products. Moreover, the production operation is more standardized, reduces errors, makes the product more beautiful, improves the quality of the product, reduces the defective rate, brings convenience to production, and meets existing needs.

[0043] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A hot pressing mold for an arc-shaped thermal insulation pad with a trimming function, characterized in that: The invention comprises a lower die and an upper die; the lower die comprises a lower die seat and protruding blocks protruding upward on the left and right edges of the upper surface of the lower die seat, the two protruding blocks and the lower die seat are surrounded to form an arc-shaped receiving groove for placing a thermal insulation pad, and lower cutting knives are arranged at the connection between the two sides of the arc-shaped receiving groove and the two protruding blocks, and the bottom surface of the arc-shaped receiving groove is concavely provided with a first arc-shaped positioning groove, and the first arc-shaped positioning groove is connected with the arc-shaped receiving groove; the upper die can be movably arranged up and down just above the lower die, and the upper die comprises an upper die seat and an arc-shaped protruding block protruding downward on the lower surface of the upper die seat, the arc-shaped protrusion is adapted to the arc-shaped receiving groove and there is a gap between the arc-shaped protrusion and the arc-shaped receiving groove, and upper cutting knives are arranged at the connection between the two sides of the arc-shaped protrusion and the upper die seat, and the upper cutting knife cooperates with the lower cutting knife for cutting, and the surface of the arc-shaped protrusion is concavely provided with a second arc-shaped positioning groove inwardly, and the second arc-shaped positioning groove is adapted to and directly connected with the first arc-shaped positioning groove.

2. The arc-shaped thermal insulation pad hot pressing mold with trimming function according to claim 1 is characterized in that: Lower steps are arranged on both sides of the first arc-shaped positioning groove, and the lower steps are rounded structures. Upper steps are arranged on both sides of the second arc-shaped positioning groove, and the upper steps are rounded structures.

3. The arc-shaped thermal insulation pad hot pressing mold with trimming function according to claim 1 is characterized in that: The upper cutter and the lower cutter are both V-shaped cutters.

4. The arc-shaped thermal insulation pad hot pressing mold with trimming function according to claim 3 is characterized in that: The lower cutter is arranged to extend inwardly and tilted, and the upper cutter is arranged to extend outwardly and tilted. The upper cutter and the lower cutter are staggered left and right and cooperate in cutting.

5. The arc-shaped thermal insulation pad hot pressing mold with trimming function according to claim 1, characterized in that: The lower die is made of stainless steel.

6. The arc-shaped thermal insulation pad hot pressing mold with trimming function according to claim 1, characterized in that: The upper die is made of stainless steel.

7. The arc-shaped thermal insulation pad hot pressing mold with trimming function according to claim 1, characterized in that: The lower mold is square, and correspondingly, the upper mold is also square.

8. The arc-shaped thermal insulation pad hot pressing mold with trimming function according to claim 1, characterized in that: The lower cutting knife and the upper cutting knife are both made of stainless steel.

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