Circular knife die cutting device for composite silica gel foam

Abstract

The utility model relates to the technical field of foam die-cutting processing, in particular to a circular cutter die-cutting device for composite silica gel foam, which comprises a vertical frame, a plurality of roller components distributed in multiple layers are arranged on one side of the vertical frame in the longitudinal direction, and a driving and transmission device is arranged on the other side of the vertical frame. A feeding traction roller set, a first composite roller set, a first die cutting roller set, a first waste discharging roller set, a second composite roller set, a second die cutting roller set and a discharging traction roller set are sequentially arranged in the middle of the vertical rack at the same horizontal height in the material conveying direction. A discharging roller assembly is arranged on the upper portion of the vertical rack and comprises a foam discharging roller, a double-faced adhesive tape discharging roller, a glassine paper discharging roller, an OPP adhesive tape discharging roller and a gummed paper discharging roller, and a finished product discharging box is arranged at the discharging end of the discharging traction roller set. The circular cutter die cutting device can effectively solve the technical problems that foam is prone to collapse, the production efficiency and the product percent of pass are low, and manual waste discharge is needed in the existing silica gel foam die cutting process.

Description

Technical Field

[0001] This utility model relates to the field of foam die-cutting technology, and in particular to a circular die-cutting device for composite silicone foam. Background Technology

[0002] Silicone foam, made of silicone material, possesses excellent elasticity, high-temperature resistance, corrosion resistance, and resistance to deformation and compression. It is widely used in new energy vehicles, high-speed rail, communication equipment, and electronic appliances. Composite silicone foam consists of multiple functional layers attached to a silicone foam sheet to enhance its performance. In new energy vehicle battery cells, composite silicone foam is often used for buffering and heat insulation. Under pressure, the silicone foam provides stable cushioning, effectively absorbing impact energy between cells, reducing the impact of collisions and vibrations, and effectively reducing temperature fluctuations between cells, protecting them from extreme high and low temperatures, thus ensuring the stability and reliability of the new energy vehicle's power system.

[0003] Composite silicone foam needs to be cut into appropriate sizes before use. Existing composite silicone foam die-cutting mechanisms mostly use punching to cut the foam, which easily causes wrinkles and collapses. The cutting speed is slow, and manual assistance is required to remove waste. After die-cutting, manual work is required to attach the release paper using a jig, which consumes a lot of manpower and has low production efficiency. Utility Model Content

[0004] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a circular die-cutting device for composite silicone foam. This device enables one-time processing of composite silicone foam products, eliminating the need for manual waste removal, resulting in high production efficiency and yield. The foam does not collapse, effectively solving the technical problems of existing silicone foam die-cutting devices, such as easy foam collapse, low production efficiency and product qualification rate, and the need for manual waste removal.

[0005] To achieve the above-mentioned technical objectives, the present invention adopts the following technical solution:

[0006] One technical solution of this utility model provides a circular die-cutting device for composite silicone foam, including a vertical frame. On one side of the vertical frame, multiple roller assemblies are arranged in a multi-layered manner in the longitudinal direction. On the other side of the vertical frame, a drive and transmission device is provided. At the same horizontal height in the middle of the vertical frame, a feeding traction roller group, a first composite roller group, a first die-cutting roller group, a first waste discharge roller group, a second composite roller group, a second die-cutting roller group, and a discharge traction roller group are arranged sequentially along the material conveying direction.

[0007] The upper part of the vertical frame is provided with a feeding roller assembly, which includes a foam feeding roller, a double-sided adhesive feeding roller, a glassine paper feeding roller, an OPP tape feeding roller, and an adhesive paper feeding roller. The discharge end of the discharge traction roller group is provided with a finished product discharge box.

[0008] The foam feeding roller feeds the silicone foam double-sided adhesive composite material to the feeding traction roller group. The double-sided adhesive feeding roller feeds the double-sided adhesive to the first composite roller group for roller pressing and laminating with the silicone foam double-sided adhesive composite material. The glassine paper feeding roller feeds the glassine paper to the first die-cutting roller group to cover the double-sided adhesive and punch it. The OPP tape feeding roller feeds the OPP tape to the first waste discharge roller group for waste discharge. The adhesive paper feeding roller feeds the double-sided adhesive's own paper to the second die-cutting roller group for die-cutting, and the second composite roller group attaches the double-sided adhesive's own paper to the double-sided adhesive. The die-cut composite silicone foam is then conveyed to the finished product discharge box by the discharge traction roller group.

[0009] Using the above technical solution, multiple roller assemblies set in the middle of the vertical frame convey, pull, roll, and die-cut the various layers of material strips attached during the foam product processing to obtain composite silicone foam products of the required shape. Multiple feeding roller assemblies are set in the upper part of the vertical frame to feed the composite layers of material strips in the composite silicone foam product in sequence, which facilitates one-time processing and eliminates the manual process of attaching material strips, saving labor costs, realizing automated synchronous linkage production, and improving production efficiency.

[0010] In some possible implementations, the upper part of the vertical frame is provided with a waste discharge roller assembly, which includes a first waste discharge roller, a second waste discharge roller, a third waste discharge roller and a fourth waste discharge roller;

[0011] The first waste roller is used to collect the double-sided adhesive paper output from the first composite roller group; the second waste roller is used to collect glassine paper waste output from the first die-cutting roller group; the third waste roller is used to collect OPP tape waste output from the first waste roller group; and the fourth waste roller is used to collect the double-sided adhesive paper waste output from the second die-cutting roller group. By setting up multiple waste roller assemblies, the waste paper and waste strips generated during each process of composite silicone foam processing are collected in a timely manner, eliminating the need for manual waste removal, saving production costs, and improving production efficiency.

[0012] In some possible implementations, the lower part of the vertical frame is provided with a first bottom film feeding roller and a first bottom film receiving roller. The first bottom film feeding roller conveys the first bottom film to the first composite roller group attached below the silicone foam double-sided adhesive composite material for die-cutting bottom support to ensure the continuity of die-cutting. After the product is discharged from the discharge traction roller group, the first bottom film is recovered by the first bottom film receiving roller.

[0013] In some possible implementations, the upper part of the vertical frame is provided with a second bottom film feeding roller and a second bottom film receiving roller. The second bottom film feeding roller conveys the second bottom film, attaches it to the underside of the double-sided adhesive paper, and then conveys it to the second die-cutting roller group for die-cutting. This serves to ensure the continuity of die-cutting. After die-cutting, the strip is turned and rolled by the second composite roller group. The double-sided adhesive paper is attached above the double-sided adhesive, and at the same time, the second bottom film is attached above the double-sided adhesive paper. The second bottom film is then recovered by the second bottom film receiving roller.

[0014] In some possible implementations, the feeding traction roller group includes foam pressing rollers rotating in opposite directions and feeding rollers located below the material belt. The foam pressing rollers and feeding rollers are respectively attached to the upper and lower sides of the silicone foam double-sided adhesive composite material. Under the combined action of the foam pressing rollers and feeding rollers, the silicone foam double-sided adhesive composite material is squeezed and driven to be conveyed backward to the first composite roller group behind.

[0015] In some possible implementations, the first composite roller group includes a double-sided adhesive pressure roller located above the material strip and a first composite support roller located below the material strip, rotating in opposite directions. Through the combined rolling pressure of the double-sided adhesive pressure roller and the first composite support roller, the double-sided adhesive is bonded to the silicone foam double-sided adhesive composite material, while a first backing film is attached to the bottom of the silicone foam double-sided adhesive composite material. The composite layers at this stage, from bottom to top, consist of the first backing film, the silicone foam double-sided adhesive composite material, and the double-sided adhesive.

[0016] In some possible implementations, the first die-cutting roller group includes a first circular cutter roller, a first die-cutting support roller, and a glassine paper pressure roller. The glassine paper pressure roller presses the glassine paper roller onto the double-sided adhesive. Under the cooperative action between the first circular cutter roller and the first die-cutting support roller, the material layer is rolled and punched. The glassine paper plays a shielding role. After the first circular cutter roller has finished punching, the glassine paper waste above the double-sided adhesive is recycled by the second row of waste rollers.

[0017] In some possible implementations, the first waste roller group includes an extraction cutter roller and an extraction support roller. Under the extraction action of the extraction cutter roller, the OPP tape adheres to the waste material punched off by the first die-cutting roller group and is recycled by the third waste roller group.

[0018] In some possible implementations, the second die-cutting roller group includes a second circular cutter roller, a second die-cutting support roller, and an adhesive paper pressure roller. The adhesive paper pressure roller attaches the double-sided adhesive paper to the second base film. Under the combined rolling action between the second circular cutter roller and the second die-cutting support roller, the double-sided adhesive paper is rolled and punched. The punched double-sided adhesive paper waste is recycled through the fourth waste roller.

[0019] In some possible implementations, the second composite roller group includes a composite steering roller, a composite pressure roller, and a second composite support roller arranged from top to bottom. The double-sided adhesive paper, after being punched, is conveyed from the second die-cutting roller group between the composite steering roller and the composite pressure roller under the load of the second base film. At the composite pressure roller, the conveying direction of the material is reversed. The double-sided adhesive paper is adhered to the double-sided adhesive through the combined rolling action between the composite pressure roller and the second composite support roller. The composite layers at this stage, from bottom to top, consist of the first base film, silicone foam double-sided adhesive composite material, double-sided adhesive, double-sided adhesive paper, and the second base film. The top layer of the second base film is wound up and recycled by the second base film take-up roller, and the bottom layer of the first base film is wound up and recycled by the first base film take-up roller. The punched composite silicone foam molded product is discharged to the finished product discharge box for collection via the discharge traction roller group.

[0020] This utility model has the following beneficial effects:

[0021] The circular die-cutting device for composite silicone foam provided by this utility model introduces a circular die roller into the die-cutting process to die-cut the foam product. This not only controls the lateral tension, keeping the silicone foam product taut during production and improving the wrinkles and collapses caused by flat die production, but also increases the yield and efficiency of production. Furthermore, after the silicone foam product is cut by the circular die, waste can be directly discharged through the waste discharge roller, eliminating the need for manual waste discharge. The circular die-cutting can be completed in one step, and by setting up a composite steering roller, the bonding process can be completed without the need for manual bonding of the product release paper, saving a lot of labor, improving production efficiency, reducing production costs, and improving product quality. Attached Figure Description

[0022] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0023] Figure 1 This is a schematic diagram of the structure of the circular die-cutting device for composite silicone foam in this utility model;

[0024] Figure 2 This is a schematic diagram of the internal material layer distribution of the composite silicone foam in this utility model;

[0025] Figure 3 This is a three-dimensional structural diagram of the composite silicone foam product of this utility model;

[0026] Figure 4 This is a schematic diagram of the cutting line position of the first circular cutter roller in this utility model;

[0027] Figure 5 This is a schematic diagram showing the position of the first circular cutter roller punching the material layer in this utility model;

[0028] Figure 6 This is a schematic diagram of the waste material extraction process of the extraction blade roller in this utility model;

[0029] Figure 7 This is a schematic diagram showing the position of the cutting line of the second circular cutter roller in this utility model.

[0030] The diagram labels are as follows: 1. Feeding traction roller group; 111. Foam pressing roller; 112. Feeding idler roller; 2. First composite roller group; 211. Double-sided adhesive pressing roller; 212. First composite idler roller; 3. First composite roller group; 311. First circular knife roller; 312. First die-cutting idler roller; 313. Glassine paper pressing roller; 4. First waste discharge roller group; 411. Extraction knife roller; 412. Extraction idler roller; 5. Second composite roller group; 511. Composite steering roller; 512. Composite pressing roller; 513. Second composite idler roller; 6. Second die-cutting roller group; 611. Second circular knife roller; 612. Second die-cutting idler roller; 613. Adhesive paper pressing roller; 7. Discharge traction roller group; 8. Feeding roller assembly; 81. Foam feeding roller; 82. Double-sided adhesive feeding roller; 83. Glassine paper feeding roller; 84. OP 85. Tape feeding roller; 86. First bottom film feeding roller; 87. Second bottom film feeding roller; 9. Waste discharge roller assembly; 91. First waste discharge roller; 92. Second waste discharge roller; 93. Third waste discharge roller; 94. Fourth waste discharge roller; 95. First bottom film receiving roller; 96. Second bottom film receiving roller; 10. Finished product discharge box; 100. Vertical frame; 101. Silicone foam double-sided adhesive composite material; 1011. Release paper; 1012. Bottom layer double-sided adhesive; 1013. Silicone foam; 102. Double-sided adhesive; 103. Glassine paper; 104. OPP tape; 105. Double-sided adhesive with its own paper; 106. Glassine paper waste; 107. OPP tape waste; 108. Double-sided adhesive with its own paper waste; 109. First bottom film; 110. Second bottom film. Detailed Implementation

[0031] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Although the description of this utility model will be introduced in conjunction with preferred embodiments, this does not mean that the features of this utility model are limited to this embodiment.

[0032] In the description of this embodiment, it should be noted that the terms "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "front," and "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to has a specific orientation, or is constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. The terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0033] In the description of this embodiment, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment based on the specific circumstances.

[0034] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0035] refer to Figure 2 and Figure 5 The silicone foam double-sided adhesive composite material 101 described in this utility model is a composite material strip, with the internal material layers consisting of release paper 1011, bottom double-sided adhesive 1012, and silicone foam 1013 in sequence. (Reference) Figure 2 The composite silicone foam molding product of this utility model has an internal material layer structure comprising, sequentially laminated, release paper 1011, bottom double-sided adhesive 1012, silicone foam 1013, double-sided adhesive 102, and double-sided adhesive self-adhesive paper 105. The thickness of release paper 1011 is 0.07 mm, the thickness of bottom double-sided adhesive 1012 is 0.05 mm, the thickness of silicone foam 1013 is 3.0 mm, the thickness of double-sided adhesive 102 is 0.05 mm, and the thickness of double-sided adhesive self-adhesive paper 105 is 0.07 mm. (Reference) Figure 3 The composite silicone foam product of this utility model has a rectangular shape, and a rectangular protrusion is provided on different sides of the two short sides. One side of the protrusion is composed of release paper 1011, and the other side of the protrusion is composed of double-sided adhesive paper 105. The rest is the part after the release paper 1011, the bottom double-sided adhesive 1012, the silicone foam 1013, the double-sided adhesive 102 and the double-sided adhesive paper 105 are bonded and composited.

[0036] refer to Figure 1In one embodiment of this utility model, a circular die-cutting device for composite silicone foam is provided, including a vertical frame 100. One side of the vertical frame 100 is provided with multiple roller assemblies distributed in multiple layers in the longitudinal direction, and the other side of the vertical frame 100 is provided with a drive and transmission device (not shown in the figure, which can be a conventional motor drive or worm gear transmission).

[0037] Specifically, at the same horizontal height in the middle of the vertical frame 100, a feeding traction roller group 1, a first composite roller group 2, a first die-cutting roller group 3, a first waste discharge roller group 4, a second composite roller group 5, a second die-cutting roller group 6, and a discharge traction roller group 7 are arranged sequentially along the material conveying direction. These rollers convey, traction, roll, and die-cut the various layers of material attached during the foam product processing to obtain composite silicone foam products of the desired shape.

[0038] A feeding roller assembly 8 is provided on the upper part of the vertical frame 100. The feeding roller assembly 8 includes a foam feeding roller 81, a double-sided adhesive feeding roller 82, a glassine paper feeding roller 83, an OPP tape feeding roller 84, and an adhesive paper feeding roller 85. The discharge end of the discharge traction roller group 7 is provided with a finished product discharge box 10. The feeding roller assembly 8 feeds the composite layer material strips of the composite silicone foam product in sequence, which facilitates one-time processing and eliminates the manual process of attaching the material strips, saving labor costs, realizing automated synchronous production, and improving production efficiency.

[0039] When working, refer to Figure 1 Foam feeding roller 81 feeds silicone foam double-sided adhesive composite material 101 to feeding traction roller group 1. Double-sided adhesive feeding roller 82 feeds double-sided adhesive 102 to first composite roller group 2 for roll pressing and lamination with silicone foam double-sided adhesive composite material 101. Glassine paper feeding roller 83 feeds glassine paper 103 to first die-cutting roller group 3 to cover double-sided adhesive 102 and punch-cut. OPP tape feeding roller 84 feeds OPP tape 104 to first waste discharge roller group 4 for waste discharge. Adhesive paper feeding roller 85 feeds double-sided adhesive self-adhesive paper 105 to second die-cutting roller group 6 for die cutting, and attaches double-sided adhesive self-adhesive paper 105 to double-sided adhesive 102 through second composite roller group 5. The die-cut and rolled composite silicone foam is then conveyed to finished product discharge box 10 through discharge traction roller group 7.

[0040] refer to Figure 1The upper part of the vertical frame 100 is also equipped with a waste discharge roller assembly 9, which includes a first waste discharge roller 91, a second waste discharge roller 92, a third waste discharge roller 93, and a fourth waste discharge roller 94. The first waste discharge roller 91 is used to collect the double-sided adhesive paper 105 output from the first composite roller group 2; the second waste discharge roller 92 is used to collect the glassine paper waste 106 output from the first die-cutting roller group 3; the third waste discharge roller 93 is used to collect the OPP tape waste 107 output from the first waste discharge roller group 4; and the fourth waste discharge roller 94 is used to collect the double-sided adhesive paper waste 108 output from the second die-cutting roller group 6. By setting up multiple waste discharge roller assemblies 9, the waste paper and waste tape generated during each process of composite silicone foam processing are collected in a timely manner, eliminating the need for manual waste discharge, saving production costs, and improving production efficiency.

[0041] refer to Figure 1 The lower part of the vertical frame 100 is provided with a first bottom film feeding roller 86 and a first bottom film receiving roller 95. The first bottom film feeding roller 86 conveys the first bottom film 109 to the first composite roller group 2 attached to the bottom of the silicone foam double-sided adhesive composite material 101 for die-cutting bottom support to ensure the continuity of die-cutting. After the product is discharged from the discharge traction roller group 7, the first bottom film receiving roller 95 recovers the first bottom film 109. The upper part of the vertical frame 100 is provided with a second bottom film feeding roller 87 and a second bottom film receiving roller 96. The second bottom film feeding roller 87 conveys the second bottom film 110 and attaches it to the bottom of the double-sided adhesive paper 105 before conveying it to the second die-cutting roller group 6 for die-cutting. It is used to support the bottom during die-cutting to ensure the continuity of die-cutting. After die-cutting, the material strip is turned and rolled by the second composite roller group 5. The double-sided adhesive paper 105 is attached to the top of the double-sided adhesive 102. At the same time, the second bottom film 110 is attached to the top of the double-sided adhesive paper 105 and is recovered by the second bottom film receiving roller 96.

[0042] Further, refer to Figure 1 The feeding traction roller group 1 includes foam pressing rollers 111 with opposite rotation directions arranged in the same vertical direction and feeding rollers 112 located below the material belt. The foam pressing rollers 111 and feeding rollers 112 are respectively attached to the upper and lower sides of the silicone foam double-sided adhesive composite material 101. Under the cooperative action of the foam pressing rollers 111 and feeding rollers 112, the silicone foam double-sided adhesive composite material 101 is squeezed and driven to be conveyed backward to the first composite roller group 2 behind.

[0043] The first composite roller group 2 includes a double-sided adhesive pressure roller 211 located above the material strip and a first composite support roller 212 located below the material strip, both arranged in the same vertical direction but with opposite rotation directions. Through the combined rolling action of the double-sided adhesive pressure roller 211 and the first composite support roller 212, the double-sided adhesive 102 is bonded to the silicone foam double-sided adhesive composite material 101, while a first backing film 109 is attached to the bottom of the silicone foam double-sided adhesive composite material 101. The composite layers at this stage, from bottom to top, consist of the first backing film 109, the silicone foam double-sided adhesive composite material 101, and the double-sided adhesive 102.

[0044] The first die-cutting roller group 3 includes a first circular cutter roller 311, a first die-cutting support roller 312, and a glassine paper pressure roller 313 arranged in the same vertical direction. The glassine paper pressure roller 313 rolls and adheres the glassine paper 103 above the double-sided adhesive 102. Under the cooperative action of the first circular cutter roller 311 and the first die-cutting support roller 312, the material layer is roll-cut. The glassine paper acts as a shielding agent. After the first circular cutter roller 311 has finished cutting, the waste glassine paper 106 above the double-sided adhesive 102 is recycled by the second row of waste rollers 92. (Reference) Figure 1 and Figure 5 The first cutter line L1 of the first circular cutter roller 311 (reference) Figure 4 The first circular cutter roller 311 cuts downwards along line L1 to the double-sided adhesive layer in the silicone foam double-sided adhesive composite material 101, and the second cutter line L2 (refer to the reference line) of the first circular cutter roller 311. Figure 4 The L2 line cuts downwards to the bottom of the double-sided adhesive paper layer of the silicone foam double-sided adhesive composite material 101.

[0045] The first row of waste rollers 4 includes an extraction cutter roller 411 and an extraction support roller 412 arranged in the same vertical direction. Under the extraction action of the extraction cutter roller 411, the OPP tape 104 adheres to the waste material punched off by the first die-cutting roller group 3 (see reference). Figure 4 and Figure 6 (In the middle A area) the OPP tape waste 107 is recycled through the third waste roller 93.

[0046] The second die-cutting roller group 6 includes a second circular cutter roller 611, a second die-cutting support roller 612, and an adhesive tape pressure roller 613 arranged in the same vertical direction. The adhesive tape pressure roller 613 attaches the double-sided adhesive paper 105 above the second base film 110. Under the combined rolling action between the second circular cutter roller 611 and the second die-cutting support roller 612, the double-sided adhesive paper 105 is rolled and cut. The second circular cutter roller 611 is along the cut line L3 (reference). Figure 7 The material is cut downwards from the position of L3 line to the second circular cutter roller 611 layer, and the double-sided adhesive paper waste 108 after cutting is recycled through the fourth row of waste rollers 94.

[0047] The second composite roller group 5 includes a composite steering roller 511, a composite pressing roller 512, and a second composite support roller 513 arranged from top to bottom in the same vertical direction. The double-sided adhesive paper 105, which is punched under load by the second base film 110, is conveyed from the second die-cutting roller group 6 between the composite steering roller 511 and the composite pressing roller 512. At the composite pressing roller 512, the conveying direction of the material strip is reversed. Through the combined rolling action between the composite pressing roller 512 and the second composite support roller 513, the double-sided adhesive paper 105 is attached to the double-sided adhesive 102. The composite material layer after this stage, from bottom to top, consists of the first base film 109, the silicone foam double-sided adhesive composite material 101, the double-sided adhesive 102, the double-sided adhesive paper 105, and the second base film 110. The second bottom film 110 at the top layer is wound up and recycled by the second bottom film receiving roller 96, and the first bottom film 109 at the bottom layer is wound up and recycled by the first bottom film receiving roller 95. The punched composite silicone foam molded product is discharged to the finished product discharge box 10 for collection by the discharge traction roller group 7.

[0048] Although the preferred embodiments of this utility model have been disclosed above, they are not intended to limit this utility model. Any person skilled in the art can make possible changes and modifications to the technical solutions of this utility model by utilizing the methods and techniques disclosed above without departing from the spirit and scope of this utility model. Therefore, any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of this utility model without departing from the content of the technical solutions of this utility model shall fall within the protection scope of the technical solutions of this utility model.

Claims

1. A circular die-cutting device for composite silicone foam, characterized in that, It includes a vertical frame (100), one side of which is provided with multiple roller assemblies distributed in a multi-layered manner in the longitudinal direction, and the other side of which is provided with a drive and transmission device. At the same horizontal level in the middle of the vertical frame (100), along the material conveying direction, there are sequentially arranged feeding traction roller group (1), first composite roller group (2), first die-cutting roller group (3), first waste discharge roller group (4), second composite roller group (5), second die-cutting roller group (6) and discharge traction roller group (7). The upper part of the vertical frame (100) is provided with a feeding roller assembly (8), which includes a foam feeding roller (81), a double-sided adhesive feeding roller (82), a glassine paper feeding roller (83), an OPP tape feeding roller (84), and an adhesive paper feeding roller (85). The discharge end of the discharge traction roller group (7) is provided with a finished product discharge box (10). The foam feeding roller (81) feeds the silicone foam double-sided adhesive composite material (101) to the feeding traction roller group (1), and the double-sided adhesive feeding roller (82) feeds the double-sided adhesive (102) to the first composite roller group (2) for roll pressing and lamination with the silicone foam double-sided adhesive composite material (101); the glassine paper feeding roller (83) feeds the glassine paper (103) to the first die-cutting roller group (3) to cover the double-sided adhesive (102) and punch it; OPP adhesive The feeding roller (84) feeds the OPP tape (104) to the first waste discharge roller group (4) for waste discharge; the adhesive paper feeding roller (85) feeds the double-sided adhesive paper (105) to the second die-cutting roller group (6) for die-cutting, and the double-sided adhesive paper (105) is attached to the double-sided adhesive (102) through the second composite roller group (5), and the composite silicone foam after die-cutting is conveyed to the finished product discharge box (10) through the discharge traction roller group (7).

2. The circular die-cutting device for composite silicone foam according to claim 1, characterized in that, The upper part of the vertical frame (100) is provided with a waste discharge roller assembly (9), which includes a first waste discharge roller (91), a second waste discharge roller (92), a third waste discharge roller (93) and a fourth waste discharge roller (94). The first waste roller (91) is used to collect the double-sided adhesive paper (105) output from the first composite roller group (2), the second waste roller (92) is used to collect the glassine paper waste (106) output from the first die-cutting roller group (3), the third waste roller (93) is used to collect the OPP tape waste (107) output from the first waste roller group (4), and the fourth waste roller (94) is used to collect the double-sided adhesive paper waste (108) output from the second die-cutting roller group (6).

3. The circular die-cutting device for composite silicone foam according to claim 2, characterized in that, The lower part of the vertical frame (100) is provided with a first bottom film feeding roller (86) and a first bottom film receiving roller (95). The first bottom film feeding roller (86) conveys the first bottom film (109) to the first composite roller group (2) attached to the bottom of the silicone foam double-sided adhesive composite material (101), and the first bottom film (109) is recovered by the first bottom film receiving roller (95).

4. The circular die-cutting device for composite silicone foam according to claim 3, characterized in that, The upper part of the vertical frame (100) is provided with a second bottom film feeding roller (87) and a second bottom film receiving roller (96). The second bottom film feeding roller (87) conveys the second bottom film (110) and attaches it below the double-sided adhesive self-adhesive paper (105) before conveying it to the second die-cutting roller group (6) for die cutting. The die-cut strip is turned and rolled by the second composite roller group (5). The double-sided adhesive self-adhesive paper (105) is attached above the double-sided adhesive (102), and at the same time, the second bottom film (110) is attached above the double-sided adhesive self-adhesive paper (105). The second bottom film (110) is then recovered by the second bottom film receiving roller (96).

5. The circular die-cutting device for composite silicone foam according to claim 4, characterized in that, The feeding traction roller group (1) includes a foam pressing roller (111) and a feeding roller (112) rotating in opposite directions. The foam pressing roller (111) and the feeding roller (112) are respectively attached to the upper and lower sides of the silicone foam double-sided adhesive composite material (101). Under the combined action of the foam pressing roller (111) and the feeding roller (112), the silicone foam double-sided adhesive composite material (101) is conveyed to the first composite roller group (2) behind.

6. The circular die-cutting device for composite silicone foam according to claim 5, characterized in that, The first composite roller group (2) includes a double-sided adhesive pressing roller (211) and a first composite support roller (212) with opposite rotation directions. Under the combined rolling action of the double-sided adhesive pressing roller (211) and the first composite support roller (212), the double-sided adhesive (102) is bonded to the top of the silicone foam double-sided adhesive composite material (101), while the first support film (109) is attached to the bottom of the silicone foam double-sided adhesive composite material (101).

7. The circular die-cutting device for composite silicone foam according to claim 5, characterized in that, The first composite roller group (2) includes a double-sided adhesive pressing roller (211) and a first composite support roller (212) with opposite rotation directions. Under the combined rolling action of the double-sided adhesive pressing roller (211) and the first composite support roller (212), the double-sided adhesive (102) is bonded to the top of the silicone foam double-sided adhesive composite material (101), while the first support film (109) is attached to the bottom of the silicone foam double-sided adhesive composite material (101).

8. The circular die-cutting device for composite silicone foam according to claim 7, characterized in that, The first waste roller group (4) includes an extraction cutter roller (411) and an extraction support roller (412). Under the action of the extraction cutter roller (411), the OPP tape (104) adheres to the waste material punched off by the first die-cutting roller group (3) and is recycled by the third waste roller (93) for the OPP tape waste (107).

9. The circular die-cutting device for composite silicone foam according to claim 8, characterized in that, The second die-cutting roller group (6) includes a second circular cutter roller (611), a second die-cutting support roller (612), and an adhesive paper pressure roller (613). The adhesive paper pressure roller (613) attaches the double-sided adhesive paper (105) above the second backing film (110). Under the cooperation between the second circular cutter roller (611) and the second die-cutting support roller (612), the double-sided adhesive paper (105) is rolled and punched. The punched double-sided adhesive paper waste (108) is recycled through the fourth waste roller (94).

10. The circular die-cutting device for composite silicone foam according to claim 9, characterized in that, The second composite roller group (5) includes a composite steering roller (511), a composite pressing roller (512), and a second composite support roller (513) arranged from top to bottom. The second bottom film (110) loads the double-sided adhesive paper (105) after punching and conveys it from the second die-cutting roller group (6) to the composite steering roller (511) and the composite pressing roller (512). When it reaches the composite pressing roller (512), the conveying direction of the material strip is reversed. The double-sided adhesive paper (105) is attached to the double-sided adhesive (102) by the combined rolling action between the composite pressing roller (512) and the second composite support roller (513).

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