Multilayer graphite product forming device and forming method using the same

Abstract

The present invention discloses a multilayer graphite product forming device and a forming method using the same. The multilayer graphite product forming device comprises a frame, and a material belt shaft, a bottom film processing mechanism, a graphite composite processing mechanism and a top film processing mechanism are arranged on the frame. The bottom film processing mechanism comprises a first laminating station, a first circular knife die-cutting station, a second laminating station and a first visual inkjet detection device; the graphite composite processing mechanism comprises a graphite laminating station, a graphite circular knife die-cutting station, a second visual inkjet detection device and a first CCD size detection device; the top film processing mechanism comprises a third laminating station, a second circular knife die-cutting station, a third circular knife die-cutting station, a fourth circular knife die-cutting station and a waste discharge station. The present invention realizes the automated production of multilayer graphite products, improves production efficiency and reduces production costs; reduces manual intervention in production and improves product precision; adds key detection equipment during the production process to improve product precision and yield rate.

Description

Technical Field

[0001] The invention relates to the technical field of die-cutting automation, and in particular to a multi-layer graphite product forming device and a forming method using the same. Background Art

[0002] Multilayer graphite products are made by laminating multiple layers of graphite with adhesive layers and attaching corresponding protective layers. They are generally used as heat dissipation accessories for electronic products. At present, the processing and molding of multilayer graphite products mainly uses a circular knife die-cutting machine to die-cut various raw materials into multiple semi-finished products, and then assemble them multiple times by hand or machine. Manual assembly uses assembly jigs, which has low assembly efficiency and unstable dimensions, reducing the accuracy and yield of the product. At the same time, it requires a lot of manpower and has high labor costs. Machine assembly uses a robot to grab, and although the efficiency is higher than manual assembly, it still cannot meet the cost requirements, and the cost of machine assembly is high, which increases production costs. Summary of the invention

[0003] In view of the problems existing in the above-mentioned prior art, the present invention proposes a multi-layer graphite product forming device and a forming method using the same.

[0004] In order to solve one or more of the above technical problems, the present invention proposes the following technical solutions:

[0005] The multi-layer graphite product forming device comprises a frame, wherein the frame comprises a vertically arranged upright plate and a horizontal plate vertically fixed on the upright plate.

[0006] Several material belt shafts are arranged on the vertical plate around the horizontal plate. The material belt shafts are used to deliver raw materials or reel in waste materials.

[0007] The bottom film processing mechanism, graphite composite processing mechanism and top film processing mechanism are arranged on the horizontal plate in sequence.

[0008] The base film processing mechanism includes a first laminating station, a first circular die cutting station, a second laminating station and a first visual inkjet detection device in sequence. The first visual inkjet detection device is used to detect whether there are extra joints or material shortage in the semi-finished product output by the second laminating station;

[0009] The graphite composite processing mechanism includes a plurality of graphite laminating stations, the same number of graphite circular knife die-cutting stations as the graphite laminating stations, at least one second visual coding detection device and at least one first CCD size detection device. The graphite laminating stations and the graphite circular knife die-cutting stations are arranged alternately. The second visual coding detection device is used to detect whether there are extra joints or material shortages in the semi-finished products output by the graphite circular knife die-cutting stations. The first CCD size detection device is used to detect the size of the semi-finished products output by the graphite laminating stations.

[0010] The top film processing mechanism includes at least a third laminating station, a second circular die-cutting station, a third circular die-cutting station, a fourth circular die-cutting station and a waste discharge station in sequence, wherein a second CCD size detection device and a third CCD size detection device are respectively arranged behind the second circular die-cutting station and the third circular die-cutting station, for detecting the size of the semi-finished products output by the second circular die-cutting station and the third circular die-cutting station.

[0011] The beneficial effects are as follows: the present invention realizes the automated production of multi-layer graphite products by setting a bottom film processing mechanism, a graphite composite processing mechanism and a top film processing mechanism to cooperate with the material strip axis, thereby improving production efficiency and reducing production costs; reducing manual intervention in production and improving product accuracy; and adding key detection equipment during the production process to improve product accuracy and yield rate.

[0012] In some embodiments, a plurality of support rods are disposed at the bottom of the frame, and the support rods are disposed perpendicularly to the vertical plates.

[0013] In some embodiments, the strip shaft is an inflatable shaft.

[0014] In some embodiments, the graphite composite processing mechanism includes three graphite laminating stations, three graphite circular knife die-cutting stations, a second visual inkjet coding detection device and two first CCD size detection devices. The three graphite laminating stations and the three graphite circular knife die-cutting stations are alternately arranged. The second visual inkjet coding detection device is arranged between the second graphite laminating station and the second graphite circular knife die-cutting station, and the first CCD size detection device is respectively arranged after the second graphite laminating station and the third graphite circular knife die-cutting station.

[0015] In some embodiments, the graphite circular knife die-cutting station includes a die-cutting station bracket, a transmission shaft, a pressing roller and a circular knife, and the transmission shaft, the pressing roller and the circular knife are arranged on the die-cutting station bracket from bottom to top.

[0016] In some embodiments, a third visual coding inspection device is provided between the graphite composite processing mechanism and the top film processing mechanism.

[0017] In some embodiments, the third circular knife die-cutting station includes a double-sided tape laminating station, a double-sided tape die-cutting station and a single-sided tape die-cutting station in sequence.

[0018] A molding method using the above-mentioned multi-layer graphite product molding device comprises the following steps:

[0019] Step 1, the blue film and the base material are passed through a first laminating station and a first circular knife die cutting station;

[0020] Step 2, the single-sided adhesive tape enters the second bonding station and is bonded with the semi-finished product generated in step 1;

[0021] Step 3: The semi-finished product generated in step 2 is passed through a first visual inkjet inspection device;

[0022] Step 4, the graphite passes through the graphite circular knife die-cutting station and is bonded with the semi-finished product after being inspected by the first visual inkjet inspection device in step 3 at the graphite bonding station, wherein the number of die-cutting and bonding is the same as the number of graphite circular knife die-cutting stations;

[0023] Step 5: The semi-finished product generated in step 4 is inspected by the second visual coding inspection device and the first CCD size inspection device;

[0024] Step 6: After the double-sided adhesive tape is die-cut by the second circular knife die-cutting station, it is bonded with the semi-finished product tested in step 5 by the third bonding station;

[0025] Step 7, the insulating film is laminated to the semi-finished product generated in step 6 through a third circular die cutting station;

[0026] Step 8, the release film is laminated to the semi-finished product produced in step 7 through a third circular die cutting station;

[0027] Step nine, the semi-finished product generated in step eight is discharged through a waste discharge station to remove the bottom material, thereby generating a multi-layer graphite product.

[0028] In some embodiments, in step seven, the insulating film includes double-sided adhesive tape and single-sided adhesive tape, and step seven includes:

[0029] Step 7.1, the double-sided tape passes through the double-sided tape die-cutting station and then passes through the double-sided tape bonding station to bond with the semi-finished product generated in step 6;

[0030] Step 7.2, the single-sided adhesive tape and the semi-finished product generated in step 7.1 are cut and bonded by the single-sided adhesive tape die-cutting station.

[0031] In addition, in the technical solution of the present invention, unless otherwise specified, the technical solution can be implemented by adopting conventional means in the art. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0033] Figure 1 A front view of a multi-layer structure product processing and forming device provided in an embodiment of the present invention.

[0034] Figure 2A side view of a multi-layer structure product processing and forming device provided in an embodiment of the present invention.

[0035] Figure 3 A schematic structural diagram of a graphite circular knife die-cutting station provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the present invention, and are not used to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0037] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "two ends", "both sides" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the elements referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "superior", "inferior", "primary", "secondary" and the like are only used for descriptive purposes and can be simply used to more clearly distinguish different components, but cannot be understood as indicating or implying relative importance.

[0038] Embodiment 1:

[0039] Multilayer graphite product forming device, such as Figure 1-3 As shown, the frame 1 includes a vertically arranged upright plate 11 and a horizontal plate 12 vertically fixed on the upright plate 11 . A plurality of support rods 13 are arranged at the bottom of the frame 1 , and the support rods 13 are vertically arranged with the upright plate 11 .

[0040] A plurality of material belt shafts 2 are arranged on the vertical plate 11 around the horizontal plate 12. The material belt shafts 2 are used to deliver raw materials or reel in waste materials. In an optional embodiment, the material belt shafts 2 can be pneumatic shafts.

[0041] A bottom film processing mechanism 3 , a graphite composite processing mechanism 4 and a top film processing mechanism 5 are sequentially arranged on the horizontal plate 12 .

[0042] The base film processing mechanism 3 includes a first laminating station 31, a first circular die cutting station 32, a second laminating station 33 and a first visual inkjet detection device 34 in sequence. The first visual inkjet detection device 34 is used to detect whether there are redundant joints or material shortage in the semi-finished product output by the second laminating station 33;

[0043] The graphite composite processing mechanism 4 includes a plurality of graphite laminating stations 41, the same number of graphite circular die-cutting stations 42 as the graphite laminating stations 41, at least one second visual coding detection device 43 and at least one first CCD size detection device 44. The graphite laminating stations 41 and the graphite circular die-cutting stations 42 are arranged alternately. The second visual coding detection device 43 is used to detect whether the semi-finished products output by the graphite circular die-cutting stations 42 have extra joints or lack of materials. The first CCD size detection device 44 is used to detect the size of the semi-finished products output by the graphite laminating stations 41.

[0044] The top film processing mechanism 5 includes at least a third laminating station 51, a second circular die-cutting station 52, a third circular die-cutting station 53, a fourth circular die-cutting station 54 and a waste discharge station 55 in sequence, wherein a second CCD size detection device 56 and a third CCD size detection device 57 are respectively arranged behind the second circular die-cutting station 52 and the third circular die-cutting station 53, which are used to detect the size of the semi-finished products output by the second circular die-cutting station 52 and the third circular die-cutting station 53.

[0045] The first visual inkjet coding detection device 34 and the second visual inkjet coding detection device 43 use visual devices to identify whether there are extra joints or missing materials on the semi-finished products. When extra joints or missing materials are detected, a signal is sent to the inkjet coding device to mark the corresponding positions of the extra joints or missing materials.

[0046] The first CCD size detection device 44, the second CCD size detection device 56 and the third CCD size detection device 57, when the semi-finished product strip enters the detection area, the optical fiber sensor is triggered, the CCD camera takes a photo and identifies the size in the photo. When the measured value does not match the set value, the device issues an alarm and displays the bad size, thereby achieving the purpose of detecting the size.

[0047] The present invention realizes the automated production of multi-layer graphite products by arranging a bottom film processing mechanism, a graphite composite processing mechanism and a top film processing mechanism to cooperate with the material strip shaft, thereby improving production efficiency and reducing production costs; reducing manual intervention in production and improving product accuracy; and adding key detection equipment during the production process to improve product accuracy and yield rate.

[0048] In an optional embodiment, the graphite composite processing mechanism 4 includes three graphite laminating stations 41, three graphite circular die-cutting stations 42, a second visual inkjet coding detection device 43 and two first CCD size detection devices 44. The three graphite laminating stations 41 and the three graphite circular die-cutting stations 42 are alternately arranged. The second visual inkjet coding detection device 43 is arranged between the second graphite laminating station 41 and the second graphite circular die-cutting station 42. The first CCD size detection device 44 is respectively arranged behind the second graphite laminating station 41 and the third graphite circular die-cutting station 42.

[0049] In an optional embodiment, the number of the second visual code-jetting inspection devices 43 can be the same as that of the graphite circular die-cutting stations 42, and the semi-finished products processed by the graphite circular die-cutting stations 42 but not yet bonded can be inspected by the second visual code-jetting inspection devices 43. Thus, multiple semi-finished product quality inspections are performed during the product molding process, which can further reduce the product defect rate and improve product accuracy.

[0050] In an optional embodiment, a third visual coding detection device 6 is provided between the graphite composite processing mechanism 4 and the top film processing mechanism 5. Thus, the third visual coding detection device 6 is used to detect whether there is a coding mark of the second visual coding detection device 43 in the semi-finished product generated by the graphite composite processing mechanism 4, and print a new mark at the position of the defective product in the semi-finished product generated by the graphite composite processing mechanism 4. This further reduces the product defect rate and improves the product precision.

[0051] In an optional embodiment, the graphite circular knife die-cutting station 42 includes a die-cutting station bracket 421, a transmission shaft 422, a pressing roller 423 and a circular knife 424, and the transmission shaft 422, the pressing roller 423 and the circular knife 424 are arranged one after another from bottom to top on the die-cutting station bracket 421. Thus, the graphite semi-finished product die-cut by the graphite circular knife die-cutting station 42 can be conveyed to the transmission shaft 422 and the pressing roller 423 after being laminated by the graphite laminating station 41.

[0052] In an optional embodiment, the third circular knife die-cutting station 53 includes a double-sided tape laminating station 531 , a double-sided tape die-cutting station 532 and a single-sided tape die-cutting station 533 in sequence.

[0053] Embodiment 2:

[0054] This embodiment provides a molding method using the above-mentioned multi-layer graphite product molding device, comprising the following steps:

[0055] Step 1, the blue film and the base material are passed through the first laminating station 31 and the first circular knife die cutting station 32;

[0056] Step 2, the single-sided adhesive tape enters the second bonding station 33 and is bonded with the semi-finished product generated in step 1;

[0057] Step 3, the semi-finished product generated in step 2 passes through the first visual coding inspection device 34;

[0058] Step 4, the graphite passes through the graphite circular knife die cutting station 42 and is bonded with the semi-finished product after being inspected by the first visual inkjet inspection device 34 in step 3 at the graphite bonding station 41, wherein the number of die cutting and bonding is the same as the number of graphite circular knife die cutting stations 42;

[0059] Step 5: The semi-finished product generated in step 4 is inspected by the second visual coding inspection device 43 and the first CCD size inspection device 44;

[0060] Step 6: After the double-sided adhesive tape is die-cut by the second circular knife die-cutting station 52, it is bonded with the semi-finished product tested in step 5 by the third bonding station 51;

[0061] Step 7: the insulating film is laminated to the semi-finished product produced in step 6 through the third circular die cutting station 53;

[0062] Step 8: The release film is laminated to the semi-finished product produced in step 7 through the third circular die cutting station 53;

[0063] Step nine: the semi-finished product generated in step eight is discharged through the waste discharge station 55 to remove the bottom material, thereby generating a multi-layer graphite product.

[0064] In an optional embodiment, in step seven, the insulating film includes double-sided adhesive tape and single-sided adhesive tape, and step seven includes:

[0065] Step 7.1, the double-sided tape passes through the double-sided tape die-cutting station 532 and is bonded to the semi-finished product generated in step 6 through the double-sided tape bonding station 531;

[0066] Step 7.2, the single-sided adhesive tape and the semi-finished product generated in step 7.1 are cut and bonded at the single-sided adhesive tape die-cutting station 533.

[0067] The above are only some embodiments of the present invention, which are only used to illustrate the technical solution of the present invention, rather than to limit it. It should be understood that, for those skilled in the art, without departing from the creative concept of the present invention, it is possible to make improvements or substitutions according to the above description, and all these improvements and substitutions should belong to the protection scope of the appended claims of the present invention. In this case, all details can be replaced by equivalent elements, and the materials, shapes and sizes can also be arbitrary.

Claims

1. A multi-layer graphite product forming device, characterized in that: The machine comprises a frame (1), wherein the frame (1) comprises a vertically arranged upright plate (11) and a horizontal plate (12) vertically fixed on the upright plate (11). A plurality of material belt shafts (2) are arranged on the vertical plate (11) around the horizontal plate (12), the material belt shafts (2) being used for delivering raw materials or winding up waste materials, and the material belt shafts (2) are inflatable shafts; A plurality of support rods (13) are arranged at the bottom of the frame (1), and the support rods (13) are arranged perpendicular to the vertical plate (11); The horizontal plate (12) is provided with a bottom film processing mechanism (3), a graphite composite processing mechanism (4) and a top film processing mechanism (5) in sequence. The base film processing mechanism (3) comprises in sequence a first laminating station (31), a first circular die-cutting station (32), a second laminating station (33) and a first visual inkjet detection device (34), wherein the first visual inkjet detection device (34) is used to detect whether the semi-finished product outputted from the second laminating station (33) has any extra joints or is short of material; The graphite composite processing mechanism (4) comprises a plurality of graphite laminating stations (41), a number of graphite circular knife die-cutting stations (42) equal to the number of the graphite laminating stations (41), at least one second visual inkjet detection device (43) and at least one first CCD size detection device (44), wherein the graphite laminating stations (41) and the graphite circular knife die-cutting stations (42) are arranged alternately, the second visual inkjet detection device (43) is used to detect whether the semi-finished product output by the graphite circular knife die-cutting station (42) has extra joints or is short of material, and the first CCD size detection device (44) is used to detect the size of the semi-finished product output by the graphite laminating station (41); The top film processing mechanism (5) at least comprises in sequence a third laminating station (51), a second circular die-cutting station (52), a third circular die-cutting station (53), a fourth circular die-cutting station (54) and a waste discharge station (55), wherein a second CCD size detection device (56) and a third CCD size detection device (57) are respectively arranged behind the second circular die-cutting station (52) and the third circular die-cutting station (53) for detecting the size of the semi-finished products output by the second circular die-cutting station (52) and the third circular die-cutting station (53).

2. The multi-layer graphite product forming device according to claim 1, characterized in that: The graphite composite processing mechanism (4) comprises three graphite laminating stations (41), three graphite circular knife die-cutting stations (42), a second visual inkjet detection device (43) and two first CCD size detection devices (44); the three graphite laminating stations (41) and the three graphite circular knife die-cutting stations (42) are arranged alternately; the second visual inkjet detection device (43) is arranged between the second graphite laminating station (41) and the second graphite circular knife die-cutting station (42); and the first CCD size detection device (44) is arranged behind the second graphite laminating station (41) and the third graphite circular knife die-cutting station (42), respectively.

3. The multi-layer graphite product forming device according to claim 2, characterized in that: The graphite circular knife die-cutting station (42) comprises a die-cutting station support (421), a transmission shaft (422), a pressing roller (423) and a circular knife (424), wherein the transmission shaft (422), the pressing roller (423) and the circular knife (424) are arranged on the die-cutting station support (421) in sequence from bottom to top.

4. The multi-layer graphite product forming device according to claim 1, characterized in that: A third visual inkjet coding detection device (6) is provided between the graphite composite processing mechanism (4) and the top film processing mechanism (5).

5. The multi-layer graphite product forming device according to claim 1, characterized in that: The third circular knife die-cutting station (53) comprises, in sequence, a double-sided adhesive tape laminating station (531), a double-sided adhesive tape die-cutting station (532), and a single-sided adhesive tape die-cutting station (533).

6. A molding method using the multilayer graphite product molding device according to any one of claims 1 to 5, characterized in that: The steps include: Step 1, the blue film and the base material are passed through a first laminating station (31) and a first circular knife die cutting station (32); Step 2, allowing the single-sided adhesive to enter the second bonding station (33) and bond with the semi-finished product generated in step 1; Step 3, the semi-finished product generated in step 2 is passed through the first visual inkjet inspection device (34); Step 4, the graphite passes through the graphite circular knife die-cutting station (42) and is then bonded with the semi-finished product that has been inspected by the first visual inkjet inspection device (34) in step 3 at the graphite bonding station (41), wherein the number of die-cutting and bonding is the same as the number of the graphite circular knife die-cutting stations (42); Step 5, the semi-finished product generated in step 4 is inspected by the second visual coding inspection device (43) and the first CCD size inspection device (44); Step six, after the double-sided adhesive tape is die-cut by the second circular knife die-cutting station (52), it is bonded to the semi-finished product tested in step five by the third bonding station (51); Step seven, the insulating film is laminated to the semi-finished product produced in step six through the third circular knife die-cutting station (53); Step eight, the release film is laminated to the semi-finished product produced in step seven through the third circular die cutting station (53); Step nine, the semi-finished product generated in step eight is discharged through the waste discharge station (55) to remove the bottom material, thereby generating a multi-layer graphite product.

7. The molding method according to claim 6, characterized in that: In the step seven, the insulating film includes a double-sided adhesive tape and a single-sided adhesive tape, the third circular knife die-cutting station (53) includes a double-sided adhesive tape laminating station (531), a double-sided adhesive tape die-cutting station (532) and a single-sided adhesive tape die-cutting station (533) in sequence, and the step seven includes: Step 7.1, the double-sided tape passes through the double-sided tape die-cutting station (532) and is then bonded to the semi-finished product generated in step 6 through the double-sided tape bonding station (531); Step 7.2, the single-sided adhesive tape and the semi-finished product generated in step 7.1 are cut and bonded by the single-sided adhesive tape die-cutting station (533).

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