Material-saving die cutting device for PI products

Abstract

The invention relates to a PI product material-saving die cutting device. The PI product material-saving die cutting device comprises a first die cutting unit and a second die cutting unit which are sequentially arranged in the direction of a material belt. The first die cutting unit comprises a first feeding assembly, a second feeding assembly, a first waste discharging assembly, a third feeding assembly, a first die cutting assembly, a fourth feeding assembly, a second die cutting assembly, a first overturning assembly, a first material collecting assembly, a second waste discharging assembly, a fifth feeding assembly, a third die cutting assembly, a third waste discharging assembly and a second material collecting assembly. And a first finished product winding assembly. The second die cutting unit comprises a seventh feeding assembly, a fourth die cutting assembly, a sixth feeding assembly, a second overturning assembly, a fifth waste discharging assembly, an eighth feeding assembly, a fifth die cutting assembly, a sixth waste discharging assembly, a seventh waste discharging assembly and a second finished product rolling assembly. Compared with the prior art, the method has the advantages that materials are saved during PI film processing, and the yield is increased.

Description

Technical Field

[0001] The present invention belongs to the technical field of die cutting, and particularly relates to a material-saving die cutting device for PI products. Background Art

[0002] PI film, also known as polyimide film in Chinese, belongs to thin film insulation materials, showing yellow transparency, with a relative density of 1.39 - 1.45. Polyimide film has excellent high and low temperature resistance, electrical insulation, adhesiveness, radiation resistance, and chemical resistance, and can be used for a long time in the temperature range of -269°C - 280°C, and can reach a short-term high temperature of 400°C. The glass transition temperatures are 280°C (Upilex R), 385°C (Kapton), and above 500°C (Upilex S) respectively. The tensile strength at 20°C is 200 MPa, and it is greater than 100 MPa at 200°C. It is particularly suitable as a flexible printed circuit board substrate and various high-temperature resistant electrical insulation materials.

[0003] As a special engineering material, polyimide film has been widely used in the fields of aviation, aerospace, electrical / electronic, microelectronics, nanotechnology, liquid crystal, separation membrane, laser, locomotive, automobile, precision machinery, and office automation machinery. With the rise and booming development of the IT industry, flat panel display industry, photovoltaic industry, etc., it will inevitably drive the development of related supporting materials and the growth of market demand. Electronic grade polyimide film for electronic engineering, as an important material for sound quality circuit boards, integrated circuits, flat panel displays, solar cells, electronic tags, etc., is playing an increasingly important role in the above-mentioned electronic product application fields.

[0004] Polyimide, as a promising polymer material, has been fully recognized. Its applications in insulation materials and structural materials are constantly expanding. It is emerging in functional materials, and its potential is still being explored. However, after 40 years of development, it has not become a larger variety. The main reason is that compared with other polymers, the cost is still too high.

[0005] Due to the relatively high cost of PI film, if the utilization rate during die cutting processing is not high, the cost per unit product will also be relatively high.

[0006] Nowadays, in order to save labor costs and improve work efficiency, customers usually choose the automated method for chip mounting. When using the automated method, it requires die cutting processors to supply materials in the form of roll materials, and there are also requirements for the gaps between products. For example, the following PI product Summary of the Invention

[0007] The purpose of the present invention is to provide a material-saving die cutting device for PI products to overcome the defects existing in the above-mentioned prior art.

[0008] The object of the present invention can be achieved by the following technical solutions:

[0009] The present invention provides a material-saving die-cutting device for PI products, which includes a first die-cutting unit and a second die-cutting unit arranged in sequence along the direction of the material tape;

[0010] The first die-cutting unit includes a first feeding component, a second feeding component, a first waste discharging component, a third feeding component, a first die-cutting component, a fourth feeding component, a second die-cutting component, a first turning component, a first material collecting component, a second waste discharging component, a fifth feeding component, a third die-cutting component, a third waste discharging component, a second material collecting component, and a first finished product winding component arranged in sequence along the direction of the material tape;

[0011] The second die-cutting unit includes a seventh feeding component, a fourth die-cutting component, a sixth feeding component, a second turning component, a fifth waste discharging component, an eighth feeding component, a fifth die-cutting component, a sixth waste discharging component, a seventh waste discharging component, and a second finished product winding component arranged in sequence along the direction of the material tape;

[0012] Among them, the first die-cutting component, the second die-cutting component, and the third die-cutting component die-cut PI products and the first finished product winding component winds the finished products;

[0013] The seventh feeding component fits the finished products wound by the first material collecting component, the second material collecting component, and the first finished product winding component onto the material tape to form a first composite layer structure, and the fourth die-cutting component die-cuts the first composite layer structure;

[0014] Among them, the cutting lines of the fourth die-cutting component are arranged staggeredly with the cutting lines of the first die-cutting component so that the material holes punched by the fourth die-cutting component are located between the material holes punched by the first die-cutting component.

[0015] Furthermore, the first die-cutting component includes:

[0016] A first upper die set; and

[0017] A first lower die set;

[0018] The first upper die set includes:

[0019] A first upper die set body; and

[0020] A plurality of rows of first cutting lines arranged on the first upper die set body, which are in a rectangular shape;

[0021] The second die-cutting component includes cutting lines for punching edge waste and is in a straight line shape;

[0022] The third die-cutting component includes cutting lines for punching edge waste and is in a straight line shape;

[0023] The fourth die-cutting assembly includes:

[0024] The fourth upper die set; and

[0025] The fourth lower die set;

[0026] The fourth upper die set includes:

[0027] The fourth upper die set body; and

[0028] A plurality of rows of fourth cutting lines provided on the fourth upper die set body, which are rectangular in shape;

[0029] The fifth die-cutting assembly includes a cutting line for punching edge waste and is linear;

[0030] Wherein, the first cutting line has the same shape as the fourth cutting line, and the distance from the first cutting line to the edge of the first upper die set body perpendicular to the tape direction is separated from the distance from the fourth cutting line to the edge of the fourth upper die set body perpendicular to the tape direction by the width of the first cutting line or the fourth cutting line.

[0031] Further, the first feeding assembly includes a first material feeding roller and a first material feeding roller drive motor drivingly connected to the first material feeding roller, and the first feeding assembly feeds out a first auxiliary release film;

[0032] The second feeding assembly includes a second material feeding roller and a second material feeding roller drive motor drivingly connected to the second material feeding roller, and the second feeding assembly feeds out a first auxiliary protective film and a double-sided tape, and they are mutually adhered from top to bottom to form a composite layer structure of "double-sided tape - first auxiliary release film - first auxiliary protective film".

[0033] Further, the first waste discharging assembly includes a first waste discharging roller and a first waste discharging roller drive motor drivingly connected to the first waste discharging roller, and the first waste discharging assembly is used to discharge the double-sided tape base paper.

[0034] Further, the third feeding assembly includes a third material feeding roller and a third material feeding roller drive motor drivingly connected to the third material feeding roller, and the third feeding assembly feeds out a PI film, and they are mutually adhered from top to bottom to form a composite layer structure of "PI film - double-sided tape - first auxiliary release film - first auxiliary protective film".

[0035] Further, the fourth feeding assembly includes a fourth material feeding roller and a fourth material feeding roller drive motor drivingly connected to the fourth material feeding roller, and the fourth feeding assembly feeds out a second auxiliary protective film, and they are mutually adhered from top to bottom to form a composite layer structure of "second auxiliary protective film - PI film - double-sided tape - first auxiliary release film - first auxiliary protective film".

[0036] Further, the first flipping assembly includes a first flipping roller and a first flipping roller driving motor drivingly connected to the first flipping roller. The first flipping assembly flips the material tape.

[0037] The first material collecting assembly includes a first material collecting roller and a first material collecting roller driving motor drivingly connected to the first material collecting roller. The first material collecting assembly winds up the first auxiliary release film for standby.

[0038] The second waste discharging assembly includes a second waste discharging roller and a second waste discharging roller driving motor drivingly connected to the second waste discharging roller. The second waste discharging assembly discharges the waste materials at the edges of the second auxiliary protective film.

[0039] The fifth feeding assembly includes a fifth material feeding roller and a fifth material feeding roller driving motor drivingly connected to the fifth material feeding roller. The fifth feeding assembly feeds out the first material tape release film, and the first material tape release film and the double-sided tape - PI film - second auxiliary protective film are mutually adhered from top to bottom to form a composite layer structure of "first material tape release film - double-sided tape - PI film - second auxiliary protective film".

[0040] Further, the third waste discharging assembly includes a third waste discharging roller and a third waste discharging roller driving motor drivingly connected to the third waste discharging roller. The third waste discharging assembly discharges the first material tape release film.

[0041] The second material collecting assembly includes a second material collecting roller and a second material collecting roller driving motor drivingly connected to the second material collecting roller. The second material collecting assembly winds up the second auxiliary protective film for standby.

[0042] The first finished product winding assembly includes a first finished product winding roller and a first finished product winding driving motor drivingly connected to the first finished product winding roller. The first finished product winding assembly winds up a composite layer structure of "double-sided tape - PI film".

[0043] Further, the seventh feeding assembly includes a seventh material feeding roller and a seventh material feeding roller driving motor drivingly connected to the seventh material feeding roller. The seventh feeding assembly feeds out the first auxiliary protective film wound up by the first material collecting assembly, the second auxiliary protective film wound up by the second material collecting assembly, and the "double-sided tape - PI film" wound up by the first finished product winding assembly, and the first auxiliary protective film, the second auxiliary protective film and the "double-sided tape - PI film" are mutually adhered from top to bottom to form a first composite layer structure of "PI film - double-sided tape - first auxiliary release film - second auxiliary protective film".

[0044] The sixth feeding assembly includes a sixth material feeding roller and a sixth material feeding roller driving motor drivingly connected to the sixth material feeding roller. The sixth feeding assembly feeds out the third auxiliary protective film.

[0045] The second flipping component includes a second flipping roller and a second flipping roller driving motor that is drivingly connected to the second flipping roller. The second flipping component flips the material tape.

[0046] The fifth waste discharging component includes a fifth waste discharging roller and a fifth waste discharging roller driving motor that is drivingly connected to the fifth waste discharging roller. The fifth waste discharging component discharges the first auxiliary release film and the second auxiliary protective film.

[0047] The eighth feeding component includes an eighth component feeding roller and an eighth component feeding roller driving motor that is drivingly connected to the eighth component feeding roller. The eighth feeding component feeds out the second material tape release film, and the second material tape release film and the double-sided adhesive are mutually attached from top to bottom to form a composite layer structure of "second material tape release film - double-sided adhesive - PI film - third auxiliary protective film".

[0048] Further, the sixth waste discharging component includes a sixth waste discharging roller and a sixth waste discharging roller driving motor that is drivingly connected to the sixth waste discharging roller. The sixth waste discharging component discharges the second material tape release film.

[0049] The seventh waste discharging component includes a seventh waste discharging roller and a seventh waste discharging roller driving motor that is drivingly connected to the seventh waste discharging roller. The seventh waste discharging component discharges the third auxiliary protective film.

[0050] The second finished product winding component includes a second finished product winding roller and a first finished product winding driving motor that is drivingly connected to the first finished product winding roller. The second finished product winding component winds up the finished product.

[0051] The first die-cutting unit and the second die-cutting unit are arranged at two die-cutting operation stations.

[0052] The working process of the present invention is as follows:

[0053] First, the first die-cutting unit works. Among them, the first component feeding roller driving motor controls the first component feeding roller to feed out the first auxiliary release film, and the second component feeding roller driving motor controls the second component feeding roller to feed out the first auxiliary protective film and the double-sided adhesive, and the double-sided adhesive, the first auxiliary release film and the first auxiliary protective film are mutually attached from top to bottom to form a composite layer structure of "double-sided adhesive - first auxiliary release film - first auxiliary protective film".

[0054] Then, the first waste discharging roller driving motor controls the first waste discharging roller to discharge the double-sided adhesive base paper, the third component feeding roller driving motor controls the third component feeding roller to feed out the PI film, and the PI film, the double-sided adhesive, the first auxiliary release film and the first auxiliary protective film are mutually attached from top to bottom to form a composite layer structure of "PI film - double-sided adhesive - first auxiliary release film - first auxiliary protective film". The fourth component feeding roller driving motor controls the fourth component feeding roller to feed out the second auxiliary protective film, and the second auxiliary protective film, the PI film, the double-sided adhesive, the first auxiliary release film and the first auxiliary protective film are mutually attached from top to bottom to form a composite layer structure of "second auxiliary protective film - PI film - double-sided adhesive - first auxiliary release film - first auxiliary protective film".

[0055] Next, the first flipping roller drive motor controls the first flipping roller to flip the entire material tape. After flipping, the first winding roller drive motor controls the first winding roller to wind up the first auxiliary release film for standby. The second waste removal roller drive motor controls the second waste removal roller to remove the waste at the edge of the second auxiliary protective film. The fifth component feeding roller drive motor controls the fifth component feeding roller to send out the first material tape release film, and they are mutually attached from top to bottom to form a composite layer structure of "first material tape release film - double-sided adhesive - PI film - second auxiliary protective film". The third waste removal roller drive motor controls the third waste removal roller to remove the first material tape release film. The second winding roller drive motor controls the second winding roller to wind up the second auxiliary protective film for standby. Then, the first finished product winding drive motor controls the first finished product winding roller to wind up the composite layer structure of "double-sided adhesive - PI film". At this time, if the punching is not continued, the PI film product has been punched.

[0056] To obtain higher output and save components, the second die-cutting unit operates. The seventh component feeding roller drive motor controls the seventh component feeding roller to send out the first auxiliary protective film wound by the first winding assembly, the second auxiliary protective film wound by the second winding assembly, and the "double-sided adhesive - PI film" wound by the first finished product winding assembly, and they are mutually attached from top to bottom to form a first composite layer structure of "PI film - double-sided adhesive - first auxiliary release film - second auxiliary protective film". The sixth component feeding roller drive motor controls the sixth component feeding roller to send out the third auxiliary protective film. The second flipping roller drive motor controls the second flipping roller to flip the material tape.

[0057] Then, the fifth waste removal roller drive motor controls the fifth waste removal roller to remove the first auxiliary release film and the second auxiliary protective film. The eighth component feeding roller drive motor controls the eighth component feeding roller to send out the second material tape release film, and they are mutually attached from top to bottom to form a composite layer structure of "second material tape release film - double-sided adhesive - PI film - third auxiliary protective film". The sixth waste removal roller drive motor controls the sixth waste removal roller to remove the second material tape release film. The seventh waste removal roller drive motor controls the seventh waste removal roller to remove the third auxiliary protective film. Finally, the first finished product winding drive motor controls the first finished product winding roller to wind up the punched PI product.

[0058] Compared with the prior art, the present invention has the following beneficial effects:

[0059] (1) The present invention repeatedly uses the PI film, double-sided adhesive, first auxiliary protective film, and second auxiliary protective film, saving components.

[0060] (2) The present invention improves the production efficiency of components and saves components. Description of the Drawings

[0061] Figure 1 It is a schematic structural diagram of the first die-cutting unit in Embodiment 1.

[0062] Figure 2 It is a schematic structural diagram of the second die-cutting unit in Embodiment 1.

[0063] Figure 3 It is a schematic diagram of the first upper die-cutting module of the first die-cutting component in the first die-cutting unit of Embodiment 1.

[0064] Figure 4 It is a schematic diagram of the upper die-cutting module of the second die-cutting component in the first die-cutting unit of Embodiment 1.

[0065] Figure 5 It is a schematic diagram of the upper die-cutting module of the third die-cutting component in the first die-cutting unit of Embodiment 1.

[0066] Figure 6 It is a schematic diagram of the fourth upper die-cutting module of the fourth die-cutting component in the second die-cutting unit of Embodiment 1.

[0067] Figure 7 It is a schematic diagram of the upper die-cutting module of the fifth die-cutting component in the first die-cutting unit of Embodiment 1.

[0068] Reference numerals in the figure:

[0069] 100 - the first die-cutting unit, 1 - the first feeding component, 2 - the second feeding component, 3 - the first waste discharging component, 4 - the third feeding component, 5 - the first die-cutting component, 501 - the first upper die-cutting module, 502 - the first upper die-cutting module body, 503 - the first cutting line, 6 - the fourth feeding component, 7 - the second die-cutting component, 8 - the first flipping component, 9 - the first material receiving component, 10 - the second waste discharging component, 24 - the fifth feeding component, 11 - the third die-cutting component, 12 - the third waste discharging component, 13 - the second material receiving component, 14 - the first finished product winding component, 200 - the second die-cutting unit, 25 - the seventh feeding component, 15 - the fourth die-cutting component, 1501 - the fourth upper die-cutting module, 1502 - the fourth upper die-cutting module body, 1503 - the fourth cutting line, 16 - the sixth feeding component, 17 - the second flipping component, 18 - the fifth waste discharging component, 19 - the eighth feeding component, 20 - the fifth die-cutting component, 21 - the sixth waste discharging component, 22 - the seventh waste discharging component, 23 - the second finished product winding component. Specific embodiments

[0070] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation manners and specific operation processes are given, but the protection scope of the present invention is not limited to the following embodiments.

[0071] In this technical solution, features such as component models, material names, connection structures, control methods, etc. that are not clearly stated are regarded as common technical features disclosed in the prior art.

[0072] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "upper", "lower", "vertical", "horizontal", "top", "bottom", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0073] In the description of the present invention, the meaning of "a plurality of" is two or more, unless otherwise specifically defined. In addition, the terms "mounted", "connected", and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a bolt connection or a welded connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0074] In order to save materials and improve productivity during the processing of PI films, the present invention provides a material-saving die-cutting device for PI products, and its structure is shown in Figures 1 to 7 as follows, including a first die-cutting unit 100 and a second die-cutting unit 200 arranged in sequence along the direction of the material tape;

[0075] The first die-cutting unit 100 includes a first feeding assembly 1, a second feeding assembly 2, a first waste discharging assembly 3, a third feeding assembly 4, a first die-cutting assembly 5, a fourth feeding assembly 6, a second die-cutting assembly 7, a first turning assembly 8, a first material collecting assembly 9, a second waste discharging assembly 10, a fifth feeding assembly 24, a third die-cutting assembly 11, a third waste discharging assembly 12, a second material collecting assembly 13, and a first finished product winding assembly 14 arranged in sequence along the direction of the material tape;

[0076] The second die-cutting unit 200 includes a seventh feeding assembly 25, a fourth die-cutting assembly 15, a sixth feeding assembly 16, a second turning assembly 17, a fifth waste discharging assembly 18, an eighth feeding assembly 19, a fifth die-cutting assembly 20, a sixth waste discharging assembly 21, a seventh waste discharging assembly 22, and a second finished product winding assembly 23 arranged in sequence along the direction of the material tape;

[0077] Among them, the first die-cutting assembly 5, the second die-cutting assembly 7, and the third die-cutting assembly 11 die-cut PI products and the first finished product winding assembly 14 winds the finished products;

[0078] The seventh feeding assembly 25 attaches the finished products wound by the first material collecting assembly 9, the second material collecting assembly 13, and the first finished product winding assembly 14 to the material tape to form a first composite layer structure, and the fourth die-cutting assembly 15 die-cuts the first composite layer structure;

[0079] Among them, the cutting lines of the fourth die-cutting component 15 are arranged staggeredly with the cutting lines of the first die-cutting component 5 so that the material holes punched by the fourth die-cutting component 15 are located between the material holes punched by the first die-cutting component 5.

[0080] In some specific embodiments, please refer to Figures 1 to 7 as shown, the first die-cutting component 5 includes:

[0081] A first upper die set 501; and

[0082] A first lower die set;

[0083] The first upper die set 501 includes:

[0084] A first upper die set body 502; and

[0085] A number of rows of first cutting lines 503 provided on the first upper die set body 502, which are rectangular;

[0086] The second die-cutting component 7 includes a cutting line for punching edge waste and is linear;

[0087] The third die-cutting component 11 includes a cutting line for punching edge waste and is linear;

[0088] The fourth die-cutting component 15 includes:

[0089] A fourth upper die set 1501; and

[0090] A fourth lower die set;

[0091] The fourth upper die set 1501 includes:

[0092] A fourth upper die set body 1502; and

[0093] A number of rows of fourth cutting lines 1503 provided on the fourth upper die set body 1502, which are rectangular;

[0094] The fifth die-cutting component 20 includes a cutting line for punching edge waste and is linear;

[0095] Among them, the first cutting line 503 and the fourth cutting line 1503 have the same shape, and the distance from the first cutting line 503 to the edge of the first upper die set body 502 perpendicular to the tape direction is separated from the distance from the fourth cutting line 1503 to the edge of the fourth upper die set body 1502 perpendicular to the tape direction by the width of the first cutting line 503 or the fourth cutting line 1503.

[0096] In some specific embodiments, please refer to Figure 1As shown, the first feeding component 1 includes a first material feeding roller and a first material feeding roller driving motor that is drivingly connected to the first material feeding roller. The first feeding component 1 feeds out a first auxiliary release film.

[0097] The second feeding component 2 includes a second material feeding roller and a second material feeding roller driving motor that is drivingly connected to the second material feeding roller. The second feeding component 2 feeds out a first auxiliary protective film and a double-sided adhesive, and they are mutually adhered from top to bottom to form a composite layer structure of "double-sided adhesive - first auxiliary release film - first auxiliary protective film".

[0098] In some specific embodiments, please refer to Figure 1 As shown, the first waste discharging component 3 includes a first waste discharging roller and a first waste discharging roller driving motor that is drivingly connected to the first waste discharging roller. The first waste discharging component 3 is used to discharge the double-sided adhesive base paper.

[0099] In some specific embodiments, please refer to Figure 1 As shown, the third feeding component 4 includes a third material feeding roller and a third material feeding roller driving motor that is drivingly connected to the third material feeding roller. The third feeding component 4 feeds out a PI film, and they are mutually adhered from top to bottom to form a composite layer structure of "PI film - double-sided adhesive - first auxiliary release film - first auxiliary protective film".

[0100] In some specific embodiments, please refer to Figure 1 As shown, the fourth feeding component 6 includes a fourth material feeding roller and a fourth material feeding roller driving motor that is drivingly connected to the fourth material feeding roller. The fourth feeding component 6 feeds out a second auxiliary protective film, and they are mutually adhered from top to bottom to form a composite layer structure of "second auxiliary protective film - PI film - double-sided adhesive - first auxiliary release film - first auxiliary protective film".

[0101] In some specific embodiments, please refer to Figure 1 As shown, the first flipping component 8 includes a first flipping roller and a first flipping roller driving motor that is drivingly connected to the first flipping roller. The first flipping component 8 flips the material tape.

[0102] The first winding component 9 includes a first winding roller and a first winding roller driving motor that is drivingly connected to the first winding roller. The first winding component 9 winds up the first auxiliary release film for standby.

[0103] The second waste discharging component 10 includes a second waste discharging roller and a second waste discharging roller driving motor that is drivingly connected to the second waste discharging roller. The second waste discharging component 10 discharges the edge waste of the second auxiliary protective film.

[0104] The fifth feeding component 24 includes a fifth component feeding roller and a fifth component feeding roller driving motor drivingly connected to the fifth component feeding roller. The fifth feeding component 10 feeds out a first strip of release film, and the films are mutually attached from top to bottom to form a composite layer structure of "first strip of release film - double-sided tape - PI film - second auxiliary protective film".

[0105] In some specific embodiments, please refer again to Figure 1 as shown, the third waste discharging component 12 includes a third waste discharging roller and a third waste discharging roller driving motor drivingly connected to the third waste discharging roller. The third waste discharging component 12 discharges the first strip of release film;

[0106] The second winding component 13 includes a second winding roller and a second winding roller driving motor drivingly connected to the second winding roller. The second winding component 13 winds up the second auxiliary protective film for standby;

[0107] The first finished product winding component 14 includes a first finished product winding roller and a first finished product winding driving motor drivingly connected to the first finished product winding roller. The first finished product winding component 14 winds up a composite layer structure of "double-sided tape - PI film".

[0108] In some specific embodiments, please refer again to Figure 2 as shown, the seventh feeding component 25 includes a seventh component feeding roller and a seventh component feeding roller driving motor drivingly connected to the seventh component feeding roller. The seventh feeding component 25 feeds out the first auxiliary protective film wound by the first winding component 9, the second auxiliary protective film wound by the second winding component 13, and the "double-sided tape - PI film" wound by the first finished product winding component 14, and the films are mutually attached from top to bottom to form a first composite layer structure of "PI film - double-sided tape - first auxiliary release film - second auxiliary protective film";

[0109] The sixth feeding component 16 includes a sixth component feeding roller and a sixth component feeding roller driving motor drivingly connected to the sixth component feeding roller. The sixth feeding component 16 feeds out a third auxiliary protective film;

[0110] The second turning component 17 includes a second turning roller and a second turning roller driving motor drivingly connected to the second turning roller. The second turning component 17 turns the strip;

[0111] The fifth waste discharging component 18 includes a fifth waste discharging roller and a fifth waste discharging roller driving motor drivingly connected to the fifth waste discharging roller. The fifth waste discharging component 18 discharges the first auxiliary release film and the second auxiliary protective film;

[0112] The eighth feeding component 19 includes an eighth component feeding roller and an eighth component feeding roller driving motor that is drivingly connected to the eighth component feeding roller. The eighth feeding component 19 feeds out a second strip release film, and the films are mutually attached from top to bottom to form a composite layer structure of "second strip release film - double-sided adhesive - PI film - third auxiliary protective film".

[0113] In some specific embodiments, please refer to Figure 2 as shown. The sixth waste discharging component 21 includes a sixth waste discharging roller and a sixth waste discharging roller driving motor that is drivingly connected to the sixth waste discharging roller. The sixth waste discharging component 21 discharges the second strip release film;

[0114] The seventh waste discharging component 22 includes a seventh waste discharging roller and a seventh waste discharging roller driving motor that is drivingly connected to the seventh waste discharging roller. The seventh waste discharging component 22 discharges the third auxiliary protective film;

[0115] The second finished product winding component 23 includes a second finished product winding roller and a first finished product winding driving motor that is drivingly connected to the first finished product winding roller. The second finished product winding component 23 winds the finished product;

[0116] The first die-cutting unit 100 and the second die-cutting unit 200 are arranged at two die-cutting operation stations.

[0117] Each of the above embodiments can be implemented alone, or can be combined in any pair or more combinations.

[0118] The above embodiments will be described in more detail below with reference to specific examples.

[0119] Embodiment 1

[0120] In order to save materials and improve productivity during the processing of PI films, this embodiment provides a PI product material-saving die-cutting device. Its structure is shown in Figures 1 to 7 as shown, including a first die-cutting unit 100 and a second die-cutting unit 200 arranged in sequence along the strip direction;

[0121] The first die-cutting unit 100 includes a first feeding component 1, a second feeding component 2, a first waste discharging component 3, a third feeding component 4, a first die-cutting component 5, a fourth feeding component 6, a second die-cutting component 7, a first flipping component 8, a first material collecting component 9, a second waste discharging component 10, a fifth feeding component 24, a third die-cutting component 11, a third waste discharging component 12, a second material collecting component 13, and a first finished product winding component 14 arranged in sequence along the strip direction;

[0122] The second die-cutting unit 200 includes a seventh feeding component 25, a fourth die-cutting component 15, a sixth feeding component 16, a second flipping component 17, a fifth waste discharging component 18, an eighth feeding component 19, a fifth die-cutting component 20, a sixth waste discharging component 21, a seventh waste discharging component 22, and a second finished product winding component 23, which are arranged in sequence along the direction of the material tape;

[0123] Among them, the first die-cutting component 5, the second die-cutting component 7, and the third die-cutting component 11 die-cut PI products, and the finished products are wound by the first finished product winding component 14;

[0124] The seventh feeding component 25 laminates the finished products wound by the first winding component 9, the second winding component 13, and the first finished product winding component 14 onto the material tape to form a first composite layer structure, and the fourth die-cutting component 15 die-cuts the first composite layer structure;

[0125] Among them, the cutting lines of the fourth die-cutting component 15 are arranged staggeredly with those of the first die-cutting component 5 to ensure that the material holes punched by the fourth die-cutting component 15 are located between the material holes punched by the first die-cutting component 5.

[0126] Please refer to Figures 1 to 7 as shown, the first die-cutting component 5 includes:

[0127] A first upper die set 501; and

[0128] A first lower die set;

[0129] The first upper die set 501 includes:

[0130] A first upper die set body 502; and

[0131] A number of rows of first cutting lines 503 provided on the first upper die set body 502, which are rectangular in shape;

[0132] The second die-cutting component 7 includes cutting lines for punching edge waste and is linear;

[0133] The third die-cutting component 11 includes cutting lines for punching edge waste and is linear;

[0134] The fourth die-cutting component 15 includes:

[0135] A fourth upper die set 1501; and

[0136] A fourth lower die set;

[0137] The fourth upper die set 1501 includes:

[0138] A fourth upper die set body 1502; and

[0139] A number of rows of fourth cutting lines 1503 provided on the fourth upper die set body 1502, which are rectangular in shape;

[0140] The fifth die-cutting assembly 20 includes a knife line for punching edge waste and in a straight line;

[0141] Among them, the first knife line 503 and the fourth knife line 1503 have the same shape, and the distance from the first knife line 503 to the edge of the first upper die set body 502 perpendicular to the tape direction is separated from the distance from the fourth knife line 1503 to the edge of the fourth upper die set body 1502 perpendicular to the tape direction by the width of the first knife line 503 or the fourth knife line 1503.

[0142] Please refer to Figure 1 As shown, the first feeding assembly 1 includes a first material feeding roller and a first material feeding roller driving motor drivingly connected to the first material feeding roller. The first feeding assembly 1 feeds out the first auxiliary release film;

[0143] The second feeding assembly 2 includes a second material feeding roller and a second material feeding roller driving motor drivingly connected to the second material feeding roller. The second feeding assembly 2 feeds out the first auxiliary protective film and the double-sided adhesive, and they are mutually adhered from top to bottom to form a composite layer structure of "double-sided adhesive - first auxiliary release film - first auxiliary protective film".

[0144] Please refer to Figure 1 As shown, the first waste discharging assembly 3 includes a first waste discharging roller and a first waste discharging roller driving motor drivingly connected to the first waste discharging roller. The first waste discharging assembly 3 is used to discharge the double-sided adhesive base paper.

[0145] Please refer to Figure 1 As shown, the third feeding assembly 4 includes a third material feeding roller and a third material feeding roller driving motor drivingly connected to the third material feeding roller. The third feeding assembly 4 feeds out the PI film, and they are mutually adhered from top to bottom to form a composite layer structure of "PI film - double-sided adhesive - first auxiliary release film - first auxiliary protective film".

[0146] Please refer to Figure 1 As shown, the fourth feeding assembly 6 includes a fourth material feeding roller and a fourth material feeding roller driving motor drivingly connected to the fourth material feeding roller. The fourth feeding assembly 6 feeds out the second auxiliary protective film, and they are mutually adhered from top to bottom to form a composite layer structure of "second auxiliary protective film - PI film - double-sided adhesive - first auxiliary release film - first auxiliary protective film".

[0147] Please refer to Figure 1 As shown, the first flipping assembly 8 includes a first flipping roller and a first flipping roller driving motor drivingly connected to the first flipping roller. The first flipping assembly 8 flips the tape;

[0148] The first material receiving assembly 9 includes a first material receiving roller and a first material receiving roller drive motor that is drivingly connected to the first material receiving roller. The first material receiving assembly 9 winds up and reserves the first auxiliary release film.

[0149] The second waste discharging assembly 10 includes a second waste discharging roller and a second waste discharging roller drive motor that is drivingly connected to the second waste discharging roller. The second waste discharging assembly 10 discharges the waste material at the edge of the second auxiliary protective film.

[0150] The fifth feeding assembly 24 includes a fifth material feeding roller and a fifth material feeding roller drive motor that is drivingly connected to the fifth material feeding roller. The fifth feeding assembly 10 feeds out the first tape release film, and the films are mutually attached from top to bottom to form a composite layer structure of "first tape release film - double-sided tape - PI film - second auxiliary protective film".

[0151] Please refer to Figure 1 As shown, the third waste discharging assembly 12 includes a third waste discharging roller and a third waste discharging roller drive motor that is drivingly connected to the third waste discharging roller. The third waste discharging assembly 12 discharges the first tape release film.

[0152] The second material receiving assembly 13 includes a second material receiving roller and a second material receiving roller drive motor that is drivingly connected to the second material receiving roller. The second material receiving assembly 13 winds up and reserves the second auxiliary protective film.

[0153] The first finished product winding assembly 14 includes a first finished product winding roller and a first finished product winding drive motor that is drivingly connected to the first finished product winding roller. The first finished product winding assembly 14 winds up the composite layer structure of "double-sided tape - PI film".

[0154] Please refer to Figure 2 As shown, the seventh feeding assembly 25 includes a seventh material feeding roller and a seventh material feeding roller drive motor that is drivingly connected to the seventh material feeding roller. The seventh feeding assembly 25 feeds out the first auxiliary protective film wound by the first material receiving assembly 9, the second auxiliary protective film wound by the second material receiving assembly 13, and the "double-sided tape - PI film" wound by the first finished product winding assembly 14, and the films are mutually attached from top to bottom to form a first composite layer structure of "PI film - double-sided tape - first auxiliary release film - second auxiliary protective film".

[0155] The sixth feeding assembly 16 includes a sixth material feeding roller and a sixth material feeding roller drive motor that is drivingly connected to the sixth material feeding roller. The sixth feeding assembly 16 feeds out the third auxiliary protective film.

[0156] The second flipping assembly 17 includes a second flipping roller and a second flipping roller drive motor that is drivingly connected to the second flipping roller. The second flipping assembly 17 flips the tape.

[0157] The fifth waste discharging component 18 includes a fifth waste discharging roller and a fifth waste discharging roller driving motor which is in transmission connection with the fifth waste discharging roller. The fifth waste discharging component 18 discharges the first auxiliary release film and the second auxiliary protective film.

[0158] The eighth feeding component 19 includes an eighth component feeding roller and an eighth component feeding roller driving motor which is in transmission connection with the eighth component feeding roller. The eighth feeding component 19 feeds out the second tape release film, and the second tape release film is mutually laminated from top to bottom to form a composite layer structure of "second tape release film - double-sided adhesive - PI film - third auxiliary protective film".

[0159] Please refer to Figure 2 As shown, the sixth waste discharging component 21 includes a sixth waste discharging roller and a sixth waste discharging roller driving motor which is in transmission connection with the sixth waste discharging roller. The sixth waste discharging component 21 discharges the second tape release film.

[0160] The seventh waste discharging component 22 includes a seventh waste discharging roller and a seventh waste discharging roller driving motor which is in transmission connection with the seventh waste discharging roller. The seventh waste discharging component 22 discharges the third auxiliary protective film.

[0161] The second finished product winding component 23 includes a second finished product winding roller and a first finished product winding driving motor which is in transmission connection with the first finished product winding roller. The second finished product winding component 23 winds up the finished product.

[0162] The first die-cutting unit 100 and the second die-cutting unit 200 are arranged at two die-cutting operation stations.

[0163] The working process of this embodiment is as follows:

[0164] First, the first die-cutting unit 100 works. Among them, the first component feeding roller driving motor controls the first component feeding roller to feed out the first auxiliary release film, and the second component feeding roller driving motor controls the second component feeding roller to feed out the first auxiliary protective film and the double-sided adhesive, and the first auxiliary protective film and the double-sided adhesive are mutually laminated from top to bottom to form a composite layer structure of "double-sided adhesive - first auxiliary release film - first auxiliary protective film".

[0165] Then, the first waste discharging roller driving motor controls the first waste discharging roller to discharge the double-sided adhesive base paper, the third component feeding roller driving motor controls the third component feeding roller to feed out the PI film, and the PI film and the double-sided adhesive are mutually laminated from top to bottom to form a composite layer structure of "PI film - double-sided adhesive - first auxiliary release film - first auxiliary protective film". The fourth component feeding roller driving motor controls the fourth component feeding roller to feed out the second auxiliary protective film, and the second auxiliary protective film and the PI film are mutually laminated from top to bottom to form a composite layer structure of "second auxiliary protective film - PI film - double-sided adhesive - first auxiliary release film - first auxiliary protective film".

[0166] Next, the first flipping roller driving motor controls the first flipping roller to flip the entire material tape. After flipping, the first winding roller driving motor controls the first winding roller to wind up the first auxiliary release film for standby. The second waste removing roller driving motor controls the second waste removing roller to remove the waste at the edge of the second auxiliary protective film. The fifth component feeding roller driving motor controls the fifth component feeding roller to send out the first material tape release film, and they are mutually attached from top to bottom to form a composite layer structure of "first material tape release film - double-sided adhesive - PI film - second auxiliary protective film". The third waste removing roller driving motor controls the third waste removing roller to remove the first material tape release film. The second winding roller driving motor controls the second winding roller to wind up the second auxiliary protective film for standby. Then, the first finished product winding driving motor controls the first finished product winding roller to wind up the composite layer structure of "double-sided adhesive - PI film". At this time, if the punching is not continued, the PI film product has been punched out.

[0167] To obtain higher output and save components, the second die-cutting unit 200 operates. The seventh component feeding roller driving motor controls the seventh component feeding roller to send out the first auxiliary protective film wound by the first winding assembly 9, the second auxiliary protective film wound by the second winding assembly 13, and the "double-sided adhesive - PI film" wound by the first finished product winding assembly 14, and they are mutually attached from top to bottom to form a first composite layer structure of "PI film - double-sided adhesive - first auxiliary release film - second auxiliary protective film". The sixth component feeding roller driving motor controls the sixth component feeding roller to send out the third auxiliary protective film. The second flipping roller driving motor controls the second flipping roller to flip the material tape.

[0168] Then, the fifth waste removing roller driving motor controls the fifth waste removing roller to remove the first auxiliary release film and the second auxiliary protective film. The eighth component feeding roller driving motor controls the eighth component feeding roller to send out the second material tape release film, and they are mutually attached from top to bottom to form a composite layer structure of "second material tape release film - double-sided adhesive - PI film - third auxiliary protective film". The sixth waste removing roller driving motor controls the sixth waste removing roller to remove the second material tape release film. The seventh waste removing roller driving motor controls the seventh waste removing roller to remove the third auxiliary protective film. Finally, the first finished product winding driving motor controls the first finished product winding roller to wind up the punched PI product.

[0169] The above description of the embodiments is to enable those of ordinary skill in the art to understand and use the invention. It is obvious that those skilled in the art can easily make various modifications to these embodiments and apply the general principles described herein to other embodiments without creative efforts. Therefore, the present invention is not limited to the above embodiments, and the improvements and modifications made by those skilled in the art without departing from the scope of the present invention should be within the protection scope of the present invention.

Claims

1. A material-saving die-cutting device for PI products, characterized in that, It includes a first die-cutting unit (100) and a second die-cutting unit (200) arranged in sequence along the direction of the material tape; The first die-cutting unit (100) includes a first feeding component (1), a second feeding component (2), a first waste discharging component (3), a third feeding component (4), a first die-cutting component (5), a fourth feeding component (6), a second die-cutting component (7), a first flipping component (8), a first material receiving component (9), a second waste discharging component (10), a fifth feeding component (24), a third die-cutting component (11), a third waste discharging component (12), a second material receiving component (13), and a first finished product winding component (14) arranged in sequence along the direction of the material tape; The second die-cutting unit (200) includes a seventh feeding component (25), a fourth die-cutting component (15), a sixth feeding component (16), a second flipping component (17), a fifth waste discharging component (18), an eighth feeding component (19), a fifth die-cutting component (20), a sixth waste discharging component (21), a seventh waste discharging component (22), and a second finished product winding component (23) arranged in sequence along the direction of the material tape; Among them, the first die-cutting component (5), the second die-cutting component (7), and the third die-cutting component (11) die-cut PI products and the finished products are wound by the first finished product winding component (14); The seventh feeding component (25) attaches the finished products wound by the first material receiving component (9), the second material receiving component (13), and the first finished product winding component (14) to the material tape to form a first composite layer structure, and the fourth die-cutting component (15) die-cuts the first composite layer structure; Among them, the cutting lines of the fourth die-cutting component (15) are arranged staggeredly with the cutting lines of the first die-cutting component (5) so that the material holes punched by the fourth die-cutting component (15) are located between the material holes punched by the first die-cutting component (5).

2. The material-saving die-cutting device for PI products according to claim 1, characterized in that, The first die-cutting component (5) includes: A first upper die set (501); and A first lower die set; The first upper die set (501) includes: A first upper die set body (502); and A plurality of rows of first cutting lines (503) arranged on the first upper die set body (502), which are rectangular; The second die-cutting component (7) includes cutting lines for punching edge waste and in a straight line shape; The third die-cutting component (11) includes cutting lines for punching edge waste and in a straight line shape; The fourth die-cutting component (15) includes: A fourth upper die set (1501); and A fourth lower die set; The fourth upper die set (1501) includes: A fourth upper die set body (1502); and A plurality of rows of fourth cutting lines (1503) arranged on the fourth upper die set body (1502), which are rectangular; The fifth die-cutting component (20) includes cutting lines for punching edge waste and in a straight line shape; Among them, the first cutting line (503) has the same shape as the fourth cutting line (1503), and the distance from the first cutting line (503) to the edge of the first upper die module body (502) perpendicular to the tape direction is separated from the distance from the fourth cutting line (1503) to the edge of the fourth upper die module body (1502) perpendicular to the tape direction by the width of the first cutting line (503) or the fourth cutting line (1503).

3. The material-saving die-cutting device for PI products according to claim 1, characterized in that, The first feeding component (1) includes a first material feeding roller and a first material feeding roller driving motor drivingly connected to the first material feeding roller. The first feeding component (1) feeds out a first auxiliary release film. The second feeding component (2) includes a second material feeding roller and a second material feeding roller driving motor drivingly connected to the second material feeding roller. The second feeding component (2) feeds out a first auxiliary protective film and a double-sided adhesive, and they are mutually adhered from top to bottom to form a composite layer structure of "double-sided adhesive - first auxiliary release film - first auxiliary protective film".

4. The material-saving die-cutting device for PI products according to claim 1, characterized in that, The first waste discharging component (3) includes a first waste discharging roller and a first waste discharging roller driving motor drivingly connected to the first waste discharging roller. The first waste discharging component (3) is used to discharge the double-sided adhesive base paper.

5. The material-saving die-cutting device for PI products according to claim 1, characterized in that, The third feeding component (4) includes a third material feeding roller and a third material feeding roller driving motor drivingly connected to the third material feeding roller. The third feeding component (4) feeds out a PI film, and they are mutually adhered from top to bottom to form a composite layer structure of "PI film - double-sided adhesive - first auxiliary release film - first auxiliary protective film".

6. The material-saving die-cutting device for PI products according to claim 1, characterized in that, The fourth feeding component (6) includes a fourth material feeding roller and a fourth material feeding roller driving motor drivingly connected to the fourth material feeding roller. The fourth feeding component (6) feeds out a second auxiliary protective film, and they are mutually adhered from top to bottom to form a composite layer structure of "second auxiliary protective film - PI film - double-sided adhesive - first auxiliary release film - first auxiliary protective film".

7. The material-saving die-cutting device for PI products according to claim 1, characterized in that, The first flipping component (8) includes a first flipping roller and a first flipping roller driving motor drivingly connected to the first flipping roller. The first flipping component (8) flips the tape. The first winding component (9) includes a first winding roller and a first winding roller driving motor drivingly connected to the first winding roller. The first winding component (9) winds up the first auxiliary release film for standby. The second waste discharging component (10) includes a second waste discharging roller and a second waste discharging roller driving motor drivingly connected to the second waste discharging roller. The second waste discharging component (10) discharges the waste at the edge of the second auxiliary protective film. The fifth feeding component (24) includes a fifth material feeding roller and a fifth material feeding roller driving motor drivingly connected to the fifth material feeding roller. The fifth feeding component (10) feeds out a first tape release film, and they are mutually adhered from top to bottom to form a composite layer structure of "first tape release film - double-sided adhesive - PI film - second auxiliary protective film".

8. A material-saving die-cutting device for PI products according to claim 1, characterized in that The third waste discharging assembly (12) includes a third waste discharging roller and a third waste discharging roller driving motor drivingly connected to the third waste discharging roller. The third waste discharging assembly (12) discharges the release film of the first material tape. The second winding assembly (13) includes a second winding roller and a second winding roller driving motor drivingly connected to the second winding roller. The second winding assembly (13) winds up the second auxiliary protective film for standby. The first finished product winding assembly (14) includes a first finished product winding roller and a first finished product winding driving motor drivingly connected to the first finished product winding roller. The first finished product winding assembly (14) winds up a composite layer structure of "double-sided tape - PI film".

9. A material-saving die-cutting device for PI products according to claim 1, characterized in that The seventh feeding assembly (25) includes a seventh component feeding roller and a seventh component feeding roller driving motor drivingly connected to the seventh component feeding roller. The seventh feeding assembly (25) feeds out the first auxiliary protective film wound by the first winding assembly (9), the second auxiliary protective film wound by the second winding assembly (13), and the "double-sided tape - PI film" wound by the first finished product winding assembly (14), and the three are mutually laminated from top to bottom to form a first composite layer structure of "PI film - double-sided tape - first auxiliary release film - second auxiliary protective film". The sixth feeding assembly (16) includes a sixth component feeding roller and a sixth component feeding roller driving motor drivingly connected to the sixth component feeding roller. The sixth feeding assembly (16) feeds out the third auxiliary protective film. The second flipping assembly (17) includes a second flipping roller and a second flipping roller driving motor drivingly connected to the second flipping roller. The second flipping assembly (17) flips the material tape. The fifth waste discharging assembly (18) includes a fifth waste discharging roller and a fifth waste discharging roller driving motor drivingly connected to the fifth waste discharging roller. The fifth waste discharging assembly (18) discharges the first auxiliary release film and the second auxiliary protective film. The eighth feeding assembly (19) includes an eighth component feeding roller and an eighth component feeding roller driving motor drivingly connected to the eighth component feeding roller. The eighth feeding assembly (19) feeds out the second material tape release film, and the two are mutually laminated from top to bottom to form a composite layer structure of "second material tape release film - double-sided tape - PI film - third auxiliary protective film".

10. A material-saving die-cutting device for PI products according to claim 1, characterized in that The sixth waste discharging assembly (21) includes a sixth waste discharging roller and a sixth waste discharging roller driving motor drivingly connected to the sixth waste discharging roller. The sixth waste discharging assembly (21) discharges the second material tape release film. The seventh waste discharging assembly (22) includes a seventh waste discharging roller and a seventh waste discharging roller driving motor drivingly connected to the seventh waste discharging roller. The seventh waste discharging assembly (22) discharges the third auxiliary protective film. The second finished product winding assembly (23) includes a second finished product winding roller and a first finished product winding driving motor drivingly connected to the first finished product winding roller. The second finished product winding assembly (23) winds up the finished product. The first die-cutting unit (100) and the second die-cutting unit (200) are arranged at two die-cutting operation stations.

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