Die cutting device and pre-split silicone rubber product thereof

Abstract

The utility model relates to the technical field of engraving dies, in particular to a die cutting device and a pre-split silicone rubber product thereof, which comprise a first laminating mechanism, a first die cutting mechanism, a second laminating mechanism, a second die cutting mechanism, a third laminating mechanism and a third die cutting mechanism. By means of the first laminating mechanism, the first die cutting mechanism, the second laminating mechanism, the second die cutting mechanism, the third laminating mechanism and the third die cutting mechanism which are continuously arranged, the full-automatic production process from raw material input to finished product output is achieved, the production efficiency is remarkably improved, efficient and accurate automatic production is achieved, and the production cost is reduced. And the labor cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of engraving mould, especially relates to a die cutting device and pre -separation silicon rubber product. BACKGROUND

[0002] In the field of electronic product manufacturing, especially in the display screen protection and assembly process of smart phones, tablet computers and other devices, high requirements are put forward for the accurate bonding and die cutting of various composite materials including protective films, adhesive materials (such as double-sided tape) and functional materials (such as silicon rubber).

[0003] In the existing composite material processing field, especially in the composite processing of multiple materials, it is difficult to achieve efficient and accurate automatic production due to the differences in properties between materials and the complexity in the processing process. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of die cutting device and pre -separation silicon rubber product, and the first bonding mechanism, the first die cutting mechanism, the second bonding mechanism, the second die cutting mechanism, the third bonding mechanism and the third die cutting mechanism are continuously arranged, realize the full-automatic production process from raw material input to finished product output, significantly improve production efficiency, realize efficient and accurate automatic production, and reduce labor cost.

[0005] To achieve the above object, a kind of die cutting device of the utility model, including first bonding mechanism, first die cutting mechanism, second bonding mechanism, second die cutting mechanism, third bonding mechanism and third die cutting mechanism,

[0006] The first bonding mechanism is provided with first conveying roller for conveying cushioning protective film, second conveying roller for conveying low-adhesion protective film and first compression roller group for compressing cushioning protective film and low-adhesion protective film to form first composite material,

[0007] The first die cutting mechanism is provided with first die for die cutting cushioning protective film in first composite material to form shaped first composite material;

[0008] The second bonding mechanism is provided with first material collecting roller for recycling cushioning protective film waste, third conveying roller for conveying silicon rubber, fourth conveying roller for conveying double-sided tape and second compression roller group for compressing shaped first composite material, silicon rubber and double-sided tape to form second composite material;

[0009] The second die cutting mechanism is provided with second die for die cutting second composite material to form shaped second composite material;

[0010] The third bonding mechanism is provided with third compression roller group for compressing shaped second composite material;

[0011] The third die-cutting mechanism is provided with a third die for die-cutting the shaped second composite material to form a finished tape.

[0012] Preferably, the first die is provided with a supporting knife for die-cutting the cushioning protective film in the first composite material.

[0013] Preferably, the second die is provided with a die-cutting cylinder knife for die-cutting the second composite material to form a shaped second composite material.

[0014] Preferably, the die-cutting cylinder knife comprises a first circular die-cutting knife, a second circular die-cutting knife, a third circular die-cutting knife, and a fourth circular die-cutting knife.

[0015] Preferably, the third die is provided with a shaping knife for die-cutting the shaped second composite material.

[0016] Preferably, the shaping knife comprises a first outer shaping knife and a second outer shaping knife.

[0017] Preferably, the first die, the second die, and the third die are each provided with a positioning column.

[0018] Preferably, it further comprises a fourth laminating mechanism and a slicing mechanism,

[0019] The fourth laminating mechanism is provided with a second material collecting roller for collecting waste after cutting the double-sided adhesive film, a third material collecting roller for collecting waste after cutting the silicone rubber film, a fifth conveying roller for conveying the release film, a fourth material collecting roller for collecting waste after cutting the low-adhesion protective film, and a fourth pressing roller set for pressing the release film against the finished tape.

[0020] The slicing mechanism is used for slicing the finished tape.

[0021] A pre-slit silicone rubber product is also provided, comprising a low-adhesion protective film, a cushioning protective film, a silicone rubber, a double-sided adhesive, and a release film, which are sequentially bonded from top to bottom.

[0022] The low-adhesion protective film is provided with a pulling portion extending horizontally away from the silicone rubber, and the cushioning protective film is arranged at the edge of the silicone rubber.

[0023] Preferably, the pulling portion is provided with at least two notches, which reduce the bonding area between the low-adhesion protective film and the release film.

[0024] The utility model discloses beneficial effect: the utility model discloses through the first laminating mechanism, first die cutting mechanism, second laminating mechanism, second die cutting mechanism, third laminating mechanism and third die cutting mechanism of continuous setting, realize the full automation production process from raw material input to finished product output, the production efficiency is improved significantly, realize efficient, accurate automation production to reduce the artificial cost,

[0025] The first die cutting mechanism is arranged behind the first laminating mechanism, can accurately die cut the high pad protection film, removes the excess part, provides the first composite material of the whole type for the subsequent composite process, reduces material waste.

[0026] After the cooperation of first die cutting mechanism, second die cutting mechanism and third die cutting mechanism multiple times whole type and die cutting, the composite material product finally obtained has high dimensional accuracy and shape stability, satisfies the production demand of high-precision product. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is the structure schematic diagram of the die cutting device of the utility model.

[0028] Figure 2 It is the first laminating mechanism structure schematic diagram of the die cutting device of the utility model.

[0029] Figure 3 It is the first die cutting mechanism first die structure schematic diagram of the die cutting device of the utility model.

[0030] Figure 4 It is the second laminating mechanism structure schematic diagram of the die cutting device of the utility model.

[0031] Figure 5 It is the second die cutting mechanism second die structure schematic diagram of the die cutting device of the utility model.

[0032] Figure 6 It is the third laminating mechanism structure schematic diagram of the die cutting device of the utility model.

[0033] Figure 7 It is the third die cutting mechanism third die structure schematic diagram of the die cutting device of the utility model.

[0034] Figure 8 It is the fourth laminating mechanism structure schematic diagram of the die cutting device of the utility model.

[0035] Figure 9 It is the decomposition state structure schematic diagram of the pre-slitting silicone rubber product of the utility model.

[0036] The attached drawing mark includes:

[0037] 100, low tack protective film; 101, cushioning protective film; 102, silicone rubber; 103, double-sided adhesive tape; 104, release film; 105, pulling portion; 106, notch;

[0038] 1, first laminating mechanism; 11, first conveying roller; 12, second conveying roller; 13, first compression roller set;

[0039] 2, first die-cutting mechanism; 21, first die; 22, supporting knife;

[0040] 3, second laminating mechanism; 31, first material collecting roller; 32, third conveying roller; 33, fourth conveying roller; 34, second compression roller set;

[0041] 4, second die-cutting mechanism; 41, second die; 42, die-cutting cylinder knife; 421, first circular die-cutting knife; 422, second circular die-cutting knife; 423, third circular die-cutting knife; 424, fourth circular die-cutting knife;

[0042] 5, third laminating mechanism; 51, third compression roller set;

[0043] 6, third die-cutting mechanism; 61, third die; 62, shaping knife; 621, first outer shaping knife; 622, second outer shaping knife;

[0044] 7, fourth laminating mechanism; 71, second material collecting roller; 72, third material collecting roller; 73, fifth conveying roller; 74, fourth material collecting roller; 75, fourth compression roller set;

[0045] 8, slicing mechanism. DETAILED DESCRIPTION

[0046] The utility model will be described in detail below in combination with the drawings.

[0047] Referring to Figures 1 to 9 The utility model discloses a die-cutting device, including first laminating mechanism 1, first die-cutting mechanism 2, second laminating mechanism 3, second die-cutting mechanism 4, third laminating mechanism 5 and third die-cutting mechanism 6,

[0048] First laminating mechanism 1 is provided with first conveying roller 11 for conveying cushioning protective film 101, second conveying roller 12 for conveying low tack protective film 100 and first compression roller set 13 for compressing cushioning protective film 101 and low tack protective film 100 to form first composite material, so that first laminating mechanism 1 is compressed to form first composite material to cushioning protective film 101 and low tack protective film 100.

[0049] The first die-cutting mechanism 2 is provided with a first die 21 for die-cutting the cushioning protective film 101 in the first composite material to form a shaped first composite material.

[0050] The second bonding mechanism 3 is provided with a first material recovery roller 31 for recovering the cushioning protective film 101 waste, a third conveying roller 32 for conveying the silicone rubber 102, a fourth conveying roller 33 for conveying the double-sided adhesive tape 103, and a second pressing roller set 34 for pressing the shaped first composite material, the silicone rubber 102, and the double-sided adhesive tape 103 to form a second composite material, so that the second bonding mechanism 3 can recover the cushioning protective film 101 waste, convey and press the silicone rubber 102 and the double-sided adhesive tape 103 to the shaped first composite material to form the second composite material.

[0051] The second die-cutting mechanism 4 is provided with a second die 41 for die-cutting the second composite material to form a shaped second composite material, so that the second die-cutting mechanism 4 can die-cut the second composite material to form the shaped second composite material.

[0052] The third bonding mechanism 5 is provided with a third pressing roller set 51 for pressing the shaped second composite material, so that the third bonding mechanism 5 can press the shaped second composite material.

[0053] The third die-cutting mechanism 6 is provided with a third die 61 for die-cutting the shaped second composite material to form a finished product tape, so that the third die-cutting mechanism 6 can die-cut the shaped second composite material to form the finished product tape.

[0054] The die-cutting device disclosed in the patent realizes the full-automatic production process from raw material input to finished product output through the continuous arrangement of the first bonding mechanism 1, the first die-cutting mechanism 2, the second bonding mechanism 3, the second die-cutting mechanism 4, the third bonding mechanism 5, and the third die-cutting mechanism 6, significantly improves the production efficiency, realizes efficient and accurate automatic production, and reduces the labor cost.

[0055] The first die-cutting mechanism 2 arranged after the first bonding mechanism 1 can accurately die-cut the cushioning protective film 101, remove the excess part, provide the shaped first composite material for the subsequent composite process, and reduce material waste. At the same time, the first material recovery roller 31 in the second bonding mechanism 3 is responsible for recovering the cushioning protective film 101 waste, further improving the material utilization rate.

[0056] After multiple shaping and die-cutting by the first die-cutting mechanism 2, the second die-cutting mechanism 4, and the third die-cutting mechanism 6, the final composite material product has high dimensional accuracy and shape stability, meeting the production needs of high-precision products.

[0057] The die cutting device can flexibly adjust the parameters and configuration of each mechanism according to the needs of different products, realize the production of various composite material products, and improve the universality and market competitiveness of the production line.

[0058] Automatic production reduces manual operation, reduces noise and dust pollution in the production process, and is more friendly to the production environment.

[0059] In use, the low-adhesion protective film is conveyed by the second conveying roller of the first laminating mechanism, the cushioning protective film is conveyed by the first conveying roller and laminated on the low-adhesion protective film, and the first composite material is formed by pressing through the first pressing roller group.

[0060] The first composite material is conveyed to the first die cutting mechanism, and the cushioning protective film in the first composite material is die cut by the first die to form a shaped first composite material.

[0061] The shaped first composite material is conveyed to the second laminating mechanism, the waste after cutting of the cushioning protective film is recycled by the first material collecting roller, the silicone rubber is conveyed by the third conveying roller and laminated on the first composite material, the double-sided adhesive tape is conveyed by the fourth conveying roller and laminated on the silicone rubber, and the second composite material is formed by pressing through the second pressing roller group, so that the cushioning protective film is located between the low-adhesion protective film and the silicone rubber.

[0062] The second composite material is conveyed to the second die cutting mechanism, and the double-sided adhesive tape, silicone rubber, cushioning protective film and low-adhesion protective film in the second composite material are die cut by the second die to form a shaped second composite material.

[0063] The shaped second composite material is conveyed to the third laminating mechanism, and the double-sided adhesive tape, silicone rubber, cushioning protective film and low-adhesion protective film in the shaped second composite material are rolled by the third pressing roller group to make them tightly laminated with each other.

[0064] The shaped second composite material is conveyed to the third die cutting mechanism, and the double-sided adhesive tape, silicone rubber, cushioning protective film and low-adhesion protective film in the shaped second composite material are die cut by the third die to form a finished product strip.

[0065] In summary, the die cutting device proposed in the patent realizes accurate compounding and forming of various materials through a series of orderly laminating and die cutting steps, has the advantages of high efficiency, accuracy, flexibility, environmental protection, etc., and is suitable for the production of various composite material products.

[0066] Referring to Figure 3 As shown in the figure, the first die 21 of the embodiment is provided with a supporting knife 22 for die cutting the cushioning protective film 101 in the first composite material. The supporting knife 22 realizes die cutting of the cushioning protective film 101 in the first composite material by the first die 21, ensures the stability and accuracy of the cushioning protective film 101 during die cutting, and reduces die cutting errors caused by material displacement or deformation.

[0067] Referring to Figure 5 As shown, the second die 41 of the embodiment is provided with a die cutting cylinder knife 42 for die cutting the second composite material to form a shaped second composite material. The second die 41 die cuts the second composite material to form a shaped second composite material through the die cutting cylinder knife 42.

[0068] Referring to Figure 5 As shown, the die cutting cylinder knife 42 of the embodiment includes a first circular die cutting knife 421, a second circular die cutting knife 422, a third circular die cutting knife 423, and a fourth circular die cutting knife 424. The first circular die cutting knife 421, the second circular die cutting knife 422, the third circular die cutting knife 423, and the fourth circular die cutting knife 424 can simultaneously die cut the second composite material at multiple locations, significantly improving die cutting efficiency and production speed.

[0069] Referring to Figure 7 As shown, the third die 61 of the embodiment is provided with a shaping knife 62 for die cutting the shaped second composite material. The third die 61 die cuts the shaped second composite material through the shaping knife 62. This ensures accurate die cutting of the shaped second composite material, thereby improving the dimensional accuracy and shape consistency of the final product, meeting the production needs of high-precision products.

[0070] Referring to Figure 7 As shown, the shaping knife 62 of the embodiment includes a first outer shaping knife 621 and a second outer shaping knife 622. The first outer shaping knife 621 and the second outer shaping knife 622 can more accurately control the cutting path and shape of the shaped second composite material, thereby improving shaping accuracy and meeting the production needs of high-precision products.

[0071] Referring to Figure 3 , Figure 5 and Figure 7 As shown, the first die 21, the second die 41, and the third die 61 of the embodiment are each provided with a positioning column. Through the positioning column, the composite material can be accurately positioned in the working area of the die during die cutting, thereby improving the positioning accuracy of die cutting and reducing waste due to inaccurate positioning.

[0072] Referring to Figure 8 As shown, the embodiment further includes a fourth bonding mechanism 7 and a slicing mechanism 8.

[0073] The fourth bonding mechanism 7 is provided with a second material recovery roller 71 for recovering waste material after die cutting of the double-sided adhesive tape 103, a third material recovery roller 72 for recovering waste material after die cutting of the silicone rubber 102, a fifth conveying roller 73 for conveying the release film 104, a fourth material recovery roller 74 for recovering waste material after die cutting of the low-adhesion protective film 100, and a fourth pressing roller set 75 for pressing the release film 104 tightly against the finished product tape.

[0074] The slicing mechanism 8 is used for slicing the finished tape.

[0075] In use, the finished tape is transported to the fourth laminating mechanism 7, the waste after cutting the double-sided tape 103 film is recycled by the second material collecting roller 71, the waste after cutting the silicone rubber 102 film is recycled by the third material collecting roller 72, the waste after cutting the low-adhesion protective film 100 film is recycled by the fourth material collecting roller, the release film 104 is transported by the fifth conveying roller 73 and laminated on the double-sided tape 103 of the finished tape, and the release film 104 is tightly attached to the finished tape after being pressed by the fourth pressing roller set 75.

[0076] The finished tape is transported to the slicing mechanism 8 for slicing, so that the finished tape is divided into multiple finished products.

[0077] The waste after cutting the double-sided tape 103 film is recycled by the second material collecting roller 71, the waste after cutting the silicone rubber 102 film is recycled by the third material collecting roller 72, and the waste after cutting the low-adhesion protective film 100 film is recycled by the fourth material collecting roller 74, realizing resource recycling, reducing waste, and contributing to environmental protection.

[0078] The fourth laminating mechanism 7 integrates the functions of waste recycling, release film 104 conveying and pressing, realizes the integrated process of finished tape processing, and improves the production efficiency. At the same time, automatic operation reduces manual intervention, and improves the stability and reliability of the production line.

[0079] The fourth pressing roller set 75 ensures that the release film 104 is tightly attached to the double-sided tape 103 of the finished tape, avoiding the generation of quality problems such as bubbles and wrinkles, and improving the overall quality of the product.

[0080] The slicing mechanism 8 can slice the finished tape according to actual needs, meet the product demand of different sizes and specifications, and enhance the flexibility and adaptability of the production line.

[0081] Through the automatic and integrated processing flow, the labor cost and material waste are reduced, the production cost is reduced, and the competitiveness of the enterprise is improved.

[0082] Among them, the first laminating mechanism 1, the second laminating mechanism 3, the third laminating mechanism 5 and the fourth laminating mechanism 7 are the existing TZ3-300-7 three-seat magnetic powder laminator, the first die-cutting mechanism 2, the second die-cutting mechanism 4 and the third die-cutting mechanism 6 are the existing D-300 die-cutting machine, and the slicing mechanism 8 is the existing DQ-1 slicing machine.

[0083] Referring to Figure 9As shown, the other aspect provides a pre-cutting silicone rubber product, comprising a low-adhesion protective film 100, a cushioning protective film 101, a silicone rubber 102, a double-sided adhesive tape 103 and a release film 104, which are sequentially adhered from top to bottom.

[0084] And the low-adhesion protective film 100 is provided with a pulling part 105 extending horizontally away from the silicone rubber 102, and the cushioning protective film 101 is arranged at the edge of the silicone rubber 102.

[0085] Through the sequential adhesion of the low-adhesion protective film 100, the cushioning protective film 101, the silicone rubber 102, the double-sided adhesive tape 103 and the release film 104, a multi-layer protective structure is formed.

[0086] Referring to Figure 9 As shown, the pulling part 105 of the embodiment is provided with at least two notches 106, which reduce the adhesion area of the low-adhesion protective film 100 and the release film 104, so that the low-adhesion protective film 100 and the release film 104 are more easily separated.

[0087] This design makes it easier for the operator to find and grasp the pulling part 105 when trying to peel off the low-adhesion protective film 100 and the release film 104, and then successfully peel off the low-adhesion protective film 100 from the release film 104, greatly improving the convenience of operation.

[0088] The above is only the preferred embodiment of the present application, and for those skilled in the art, according to the idea of the present application, the specific implementation and application range will be changed, and the content of the specification should not be understood as a limitation of the present application.

Claims

1. A die-cutting device, characterized in that: It includes a first bonding mechanism (1), a first die-cutting mechanism (2), a second bonding mechanism (3), a second die-cutting mechanism (4), a third bonding mechanism (5), and a third die-cutting mechanism (6). The first bonding mechanism (1) is provided with a first conveying roller (11) for conveying the raised protective film (101), a second conveying roller (12) for conveying the low-viscosity protective film (100), and a first pressing roller group (13) for pressing the raised protective film (101) and the low-viscosity protective film (100) to form a first composite material. The first die-cutting mechanism (2) is provided with a first mold (21) for die-cutting the protective film (101) in the first composite material to form a shaped first composite material; The second bonding mechanism (3) is provided with a first receiving roller (31) for recycling waste material of the raised protective film (101), a third conveying roller (32) for conveying silicone rubber (102), a fourth conveying roller (33) for conveying double-sided adhesive (103), and a second pressing roller group (34) for pressing and shaping the first composite material, silicone rubber (102) and double-sided adhesive (103) to form a second composite material. The second die-cutting mechanism (4) is provided with a second mold (41) for die-cutting the second composite material to form a shaped second composite material; The third bonding mechanism (5) is provided with a third pressing roller group (51) for pressing and shaping the second composite material. The third die-cutting mechanism (6) is provided with a third mold (61) for die-cutting and shaping the second composite material to form a finished product strip.

2. The die-cutting device according to claim 1, characterized in that: The first mold (21) is provided with a support knife (22) for die-cutting the protective film (101) in the first composite material.

3. The die-cutting device according to claim 1, characterized in that: The second mold (41) is provided with a die-cutting tube (42) for die-cutting the second composite material to form a shaped second composite material.

4. A die-cutting device according to claim 3, characterized in that: The die-cutting tube cutter (42) includes a first circular die-cutting cutter (421), a second circular die-cutting cutter (422), a third circular die-cutting cutter (423), and a fourth circular die-cutting cutter (424).

5. A die-cutting device according to claim 1, characterized in that: The third mold (61) is provided with a shaping blade (62) for die-cutting and shaping the second composite material.

6. A die-cutting apparatus according to claim 5, characterized in that: The shaping blade (62) includes a first shaping blade (621) and a second shaping blade (622).

7. A die-cutting device according to claim 1, characterized in that: The first mold (21), the second mold (41) and the third mold (61) are all equipped with positioning posts.

8. A die-cutting device according to claim 1, characterized in that: It also includes a fourth bonding mechanism (7) and a slicing mechanism (8). The fourth bonding mechanism (7) is equipped with a second receiving roller (71) for recycling waste material after cutting double-sided adhesive (103) film, a third receiving roller (72) for recycling waste material after cutting silicone rubber (102) film, a fifth conveying roller (73) for conveying release film (104), a fourth receiving roller (74) for recycling waste material after cutting low-viscosity protective film (100) film, and a fourth pressing roller group (75) for pressing release film (104) tightly against finished product strip. The slicing mechanism (8) is used to slice the finished product strip.

9. A pre-split silicone rubber product, characterized in that: The device includes a low-tack protective film (100), a raised protective film (101), silicone rubber (102), double-sided adhesive (103), and a release film (104), which are bonded together from top to bottom. Furthermore, the low-viscosity protective film (100) is provided with a lifting portion (105) extending horizontally away from the silicone rubber (102), and the raised protective film (101) is provided at the edge of the silicone rubber (102).

10. A pre-separated silicone rubber product according to claim 9, characterized in that: The lifting portion (105) is provided with at least two notches (106), which reduce the bonding area between the low-adhesion protective film (100) and the release film (104).

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