Large-size double-sided PDLC (Polymer Dispersed Liquid Crystal) multi-electrode multi-station conductive adhesive attaching equipment

Abstract

The invention relates to the technical field of PDLC (polymer dispersed liquid crystal) processing, in particular to large-size double-sided PDLC multi-electrode multi-station conductive adhesive attaching equipment which comprises a rack, and a platform combination is mounted on the surface of the rack; a movable attaching combination is installed on the surface of the rack and located on one side of the platform combination, the movable attaching combination is formed by combining a double-sliding-table linear module and ACF pressing head mechanisms, the double-sliding-table linear module is fixedly connected to the surface of the rack, and the ACF pressing head mechanisms are installed on a left sliding table and a right sliding table of the double-sliding-table linear module. By arranging the double-sliding-table linear module, movement of the ACF pressing head mechanism is achieved through the double-sliding-table linear module, the problem that attachment can be achieved only by moving an FPC in the prior art is solved, and the occupied space of attachment equipment is reduced; meanwhile, one PPC is attached through the two ACF pressure head mechanisms, the work efficiency during attaching is improved, detection is achieved through the CCD camera after attaching, and therefore the attaching effect of the attaching equipment is improved.

Description

Technical Field

[0001] The present invention relates to the field of PDLC processing technology, in particular to a large-scale double-sided PDLC multi-electrode multi-station conductive adhesive attaching device. Background Art

[0002] PDLC, or polymer dispersed liquid crystal, is a new type of optoelectronic material used in smart windows, as well as projector screens, car rearview mirrors, and privacy partitions. It also has potential in light valves, 3D displays, and other fields. Overall, PDLC has broad application prospects, especially for large-size materials, enabling wider applications. However, PDLC requires bonding to FPCs during production, and FPCs typically have ACF conductive adhesive attached to their surface before bonding.

[0003] At present, the existing attaching equipment has a fixed attaching head when attaching ACF conductive adhesive to FPC, and the attaching work at each position needs to be completed by moving the FPC. This method will result in a long stroke for large-sized FPCs, thereby occupying a large amount of space and easily increasing the labor intensity when using the attaching equipment. At the same time, the existing attaching equipment all works with a single attaching head, which will reduce work efficiency, and no detection work is set after attaching, thereby reducing the attaching effect of the attaching equipment. Summary of the Invention

[0004] The purpose of the present invention is to provide a large-scale double-sided PDLC multi-electrode multi-station conductive adhesive attaching device to solve the problems raised in the above background technology that the existing attaching equipment has a long stroke during attaching, occupies a large space, and has a single attaching head that results in low work efficiency.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a large-scale double-sided PDLC multi-electrode multi-station conductive adhesive attaching device, comprising a frame, a platform assembly is installed on the surface of the frame, and the platform assembly is used for carrying FPC; a mobile attaching assembly is installed on the surface of the frame and on one side of the platform assembly, and the mobile attaching assembly is used to attach ACF conductive adhesive to the surface of the FPC, and the mobile attaching assembly is composed of a double-slide linear module and an ACF pressure head mechanism, the double-slide linear module is fixed to the surface of the frame, and ACF pressure head mechanisms are installed on the two slides on the left and right of the double-slide linear module, and the ACF pressure head mechanism is used for attaching ACF conductive adhesive; a control panel is installed on the surface of the frame, and the control panel is used to control the entire equipment.

[0006] Preferably, the platform combination is composed of a screw module, a UVW platform, a vacuum plate and a detection jacking group, and the screw module is fixed to the surface of the frame; the UVW platform is installed on the slide of the screw module, and the UVW platform is slidably connected to the surface of the frame through a linear slide rail.

[0007] Preferably, a vacuum plate is installed on the top of the UVW platform, and the vacuum plate is used for placing the FPC; a detection lifting group is also provided on one side of the vacuum plate, and the detection lifting group is used for lifting the FPC.

[0008] Preferably, the detection lifting group includes a cylinder mounting plate, an FPC support plate and a slide rail cylinder. The cylinder mounting plate is provided with two groups, and the two groups are fixed to the surface of the frame. An FPC support plate is provided on one side of the vacuum plate, and the FPC support plate is movably connected to the frame through an inclined linear guide rail. The surface of the cylinder mounting plate is obliquely installed with a slide rail cylinder, and the output end of the slide rail cylinder is fixed to the FPC support plate.

[0009] Preferably, the ACF press head mechanism includes an ACF press head group, an attachment detection CCD group, an ACF peeling group, an ACF cutting group, a material feeding group and a waste material collecting group. The surface of the ACF press head group is installed with an attachment detection CCD group, which is used for photographic detection after the ACF conductive adhesive is attached.

[0010] Preferably, the surface of the ACF pressure head group is also provided with an ACF stripping group, an ACF cutting group, a feeding group and a waste material receiving group, which are respectively used for stripping the ACF conductive glue and release paper, cutting the ACF conductive glue, feeding the release paper and receiving the release paper.

[0011] Preferably, the ACF pressure head group is composed of a carrier, a pressure head cylinder, a pressure head heating seat, a pressure head rolling assembly and a back support assembly. The carrier is fixed to the slide of the double-slide linear module. The surface of the carrier is equipped with a pressure head cylinder, and the output end of the pressure head cylinder is equipped with a pressure head heating seat. The surface of the carrier is located directly below the pressure head heating seat on the back support assembly. The back support assembly cooperates with the pressure head heating seat for pressing the ACF conductive adhesive during attachment. The surface of the carrier is also equipped with a pressure head rolling assembly, which is used for gluing the ACF conductive adhesive.

[0012] Preferably, the attachment detection CCD group includes a camera bracket and a CCD camera, the camera bracket is fixed to the surface of the carrier, and the surface of the carrier is installed with a pressure head cylinder, which is used for photo detection of glue attachment; the feeding group is composed of a motor material shaft and a cylinder pressure wheel, and the motor material shaft and the cylinder pressure wheel are both fixed to the surface of the carrier, and the motor material shaft cooperates with the cylinder pressure wheel to feed the ACF conductive glue.

[0013] Preferably, the ACF cutting group is composed of a circular cylinder, a movable slide, a micro cylinder, a cutter seat and a blade. The circular cylinder is fixed to the surface of the carrier through a bracket, and the output end of the circular cylinder is fixed with a movable slide, and the movable slide is slidably connected to the surface of the carrier.

[0014] Preferably, a micro cylinder is obliquely mounted on the surface of the movable slide, and a cutter seat is mounted on the output end of the micro cylinder, and a blade is detachably connected to the end of the cutter seat, which is used to cut the ACF conductive glue.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the large-scale double-sided PDLC multi-electrode multi-station conductive adhesive attaching equipment is implemented by setting a platform combination and a mobile attaching combination. When implemented, the FPC is placed on the surface of the platform combination and carried by the platform combination. Then, the ACF conductive adhesive with release paper is placed in the pressure head roll assembly and the release paper and ACF conductive adhesive are peeled off by the lever of the ACF peeling group. After peeling, they are cut off by the ACF cutting group, and then the ACF pressure head group is used to press the ACF conductive adhesive onto the FPC surface, while the release paper is fed through the feeding group, and then the ACF peeling group is used to collect the material. After that, the two ACF pressure head mechanisms are driven to move by the double-slide linear module, and are detected by the CCD camera after attachment. The present invention provides a double-slide linear module and utilizes the double-slide linear module to realize the movement of the ACF pressure head mechanism, thereby solving the problem in the prior art that the FPC can only be moved to achieve attachment, reducing the occupied space of the attachment equipment and reducing the labor intensity when the attachment equipment is used; at the same time, the present invention provides two ACF pressure head mechanisms, and the two ACF pressure head mechanisms attach one PPC at the same time, thereby improving the work efficiency during attachment, and detecting after attachment through a CCD camera, thereby increasing the attachment effect of the attachment device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the three-dimensional appearance structure of the present invention;

[0017] Figure 2 Schematic diagram of the internal structure of the present invention;

[0018] Figure 3 This is a schematic diagram of the separation state structure of the present invention;

[0019] Figure 4 This is a schematic diagram of the platform combination explosion structure of the present invention;

[0020] Figure 5 This is a schematic diagram of the mobile attachment combined explosion structure of the present invention;

[0021] Figure 6 It is an enlarged structural diagram of the ACF pressing head mechanism of the present invention;

[0022] Figure 7 This is a schematic diagram of the exploded structure of the ACF pressing head mechanism of the present invention;

[0023] Figure 8 This is an enlarged structural diagram of the ACF pressure head group of the present invention;

[0024] Figure 9 It is a schematic diagram of the enlarged structure of the ACF cutting group of the present invention.

[0025] Figure 1: Frame; 11: Control panel; 2: Platform assembly; 21: Screw module; 22: UVW platform; 23: Vacuum plate; 24: Detection and lifting assembly; 241: Cylinder mounting plate; 242: FPC support plate; 243: Slide rail cylinder; 3: Mobile attachment assembly; 4: Double-slide linear module; 5: ACF press head mechanism; 51: ACF press head assembly; 511: Carrier; 512: Press head cylinder; 513: Press head heating Seat; 514, pressure head rolling assembly; 515, back support assembly; 52, attachment detection CCD group; 521, camera bracket; 522, CCD camera; 53, ACF stripping group; 54, ACF cutting group; 541, circular cylinder; 542, movable slide; 543, micro cylinder; 544, cutter seat; 545, blade; 55, feeding group; 551, motor material shaft; 552, cylinder pressure wheel; 56, waste material collection group. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. In addition, the terms "first", "second", "third", "upper, lower, left, right", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. At the same time, in the description of the present invention, unless otherwise clearly specified and limited, the terms "connected" and "connected" 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 mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. 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.

[0027] The structure of the large-scale double-sided PDLC multi-electrode multi-station conductive adhesive attaching device provided by the present invention is as follows: Figures 1 to 4 As shown, it includes a frame 1, a platform assembly 2 is installed on the surface of the frame 1, and the platform assembly 2 is used for carrying FPC. The platform assembly 2 is composed of a screw module 21, a UVW platform 22, a vacuum plate 23 and a detection jacking group 24. The screw module 21 is fixed to the surface of the frame 1; the UVW platform 22 is installed on the slide of the screw module 21, and the UVW platform 22 is slidably connected to the surface of the frame 1 through a linear slide rail. The top of the UVW platform 22 is installed with a vacuum plate 23, and the vacuum plate 23 is used for placing the FPC; one side of the vacuum plate 23 is also A detection lifting group 24 is provided, which is used to lift the FPC. The detection lifting group 24 includes a cylinder mounting plate 241, an FPC support plate 242 and a slide cylinder 243. Two groups of cylinder mounting plates 241 are provided, and the two groups are fixed to the surface of the frame 1. An FPC support plate 242 is provided on one side of the vacuum plate 23, and the FPC support plate 242 is movably connected to the frame 1 through an inclined linear guide rail. The surface of the cylinder mounting plate 241 is obliquely installed with a slide cylinder 243, and the output end of the slide cylinder 243 is fixed to the FPC support plate 242.

[0028] During implementation, the FPC is placed on the surface of the vacuum plate 23. After placement, the screw module 21 drives the FPC on the surface of the vacuum plate 23 to move to the detection lifting group 24, and then the UVW platform 22 fine-tunes the position of the FPC on the surface of the vacuum plate 23. Then, the slide cylinder 243 on the surface of the cylinder mounting plate 241 drives the FPC support plate 242 to extend and lift the FPC.

[0029] Further, if Figures 5 to 7 As shown, a mobile attaching assembly 3 is installed on the surface of the frame 1 and on one side of the platform assembly 2. The mobile attaching assembly 3 is used to attach the ACF conductive adhesive to the surface of the FPC. The mobile attaching assembly 3 is composed of a double-slide linear module 4 and an ACF pressure head mechanism 5. The ACF pressure head mechanism 5 includes an ACF pressure head group 51, an attachment detection CCD group 52, an ACF peeling group 53, an ACF cutting group 54, a material feeding group 55 and a waste material receiving group 56. The surface of the ACF pressure head group 51 is installed with The attachment detection CCD group 52 is used for photographic detection after the ACF conductive adhesive is attached. The surface of the ACF pressure head group 51 is also provided with an ACF stripping group 53, an ACF cutting group 54, a feeding group 55 and a waste material collecting group 56. The ACF stripping group 53, the ACF cutting group 54, the feeding group 55 and the waste material collecting group 56 are respectively used for stripping the ACF conductive adhesive and the release paper, cutting the ACF conductive adhesive, feeding the release paper and collecting the release paper.

[0030] During implementation, the release paper and ACF conductive glue are peeled off by the lever of the ACF peeling group 53, and the peeled ACF conductive glue is cut off by the ACF cutting group 54. After cutting, the ACF conductive glue is pressed onto the FPC surface by the ACF pressure head group 51, and the release paper is fed through the feeding group 55, and then wound and collected by the ACF peeling group 53.

[0031] Further, if Figure 7 as well as Figure 8 As shown, the ACF ram group 51 is composed of a carrier 511, a ram cylinder 512, a ram heating seat 513, a ram skin rolling assembly 514 and a back support assembly 515. The carrier 511 is fixedly connected to the slide of the double-slide linear module 4. The ram cylinder 512 is installed on the surface of the carrier 511, and the ram heating seat 513 is installed on the output end of the ram cylinder 512. The back support assembly 515 is on the surface of the carrier 511 and is located directly below the ram heating seat 513. The back support assembly 515 cooperates with the ram heating seat 513 to perform the pressing work when the ACF conductive adhesive is attached. The surface of the carrier 511 is also installed with a ram skin rolling assembly 514, and the ram skin rolling assembly 514 is used for gluing the ACF conductive adhesive.

[0032] During implementation, the pressure head cylinder 512 drives the pressure head heating seat 513 to move, and the pressure head heating seat 513 presses down the ACF conductive glue, so that the ACF conductive glue contacts the PPC, and then the ACF conductive glue and the PPC are attached under the support of the back support assembly 515.

[0033] Further, if Figure 6 as well as Figure 7 As shown, the attachment detection CCD group 52 includes a camera bracket 521 and a CCD camera 522. The camera bracket 521 is fixedly connected to the surface of the carrier 511, and the surface of the carrier 511 is installed with a pressure head cylinder 512, and the pressure head cylinder 512 is used for photo detection of glue attachment; the feeding group 55 is composed of a motor material shaft 551 and a cylinder pressure wheel 552. The motor material shaft 551 and the cylinder pressure wheel 552 are both fixedly connected to the surface of the carrier 511. The motor material shaft 551 cooperates with the cylinder pressure wheel 552 to feed the ACF conductive glue.

[0034] During implementation, the release paper passes between the motor shaft 551 and the cylinder pressure wheel 552, and then the cylinder of the cylinder pressure wheel 552 presses down to compress the release paper, and then the motor of the motor shaft 551 rotates to realize the feeding of the release paper.

[0035] Further, if Figure 8 as well as Figure 9As shown, the ACF cutting group 54 is composed of a circular cylinder 541, a movable slide 542, a micro cylinder 543, a cutter seat 544 and a blade 545. The circular cylinder 541 is fixed to the surface of the carrier 511 through a bracket, and the output end of the circular cylinder 541 is fixed with a movable slide 542, and the movable slide 542 is slidably connected to the surface of the carrier 511, the surface of the movable slide 542 is obliquely installed with a micro cylinder 543, and the output end of the micro cylinder 543 is installed with a cutter seat 544, and the end of the cutter seat 544 is detachably connected with a blade 545, which is used for cutting the ACF conductive glue. The double-slide linear module 4 is fixed to the surface of the frame 1, and the two slides on the left and right of the double-slide linear module 4 are both equipped with an ACF pressure head mechanism 5, which is used for the attachment of the ACF conductive glue; the surface of the frame 1 is equipped with a control panel 11, which is used for controlling the entire equipment.

[0036] During implementation, the circular cylinder 541 drives the movable slide 542 to move, so that the blade 545 contacts the ACF conductive adhesive, and then the micro cylinder 543 drives the blade 545 on the surface of the cutter seat 544 to move, thereby cutting the ACF conductive adhesive.

[0037] Working principle: When in use, first place the FPC on the surface of the vacuum plate 23. After placement, the screw module 21 drives the FPC on the surface of the vacuum plate 23 to move to the detection lifting group 24. Then the UVW platform 22 fine-tunes the position of the FPC on the surface of the vacuum plate 23. Then, the slide cylinder 243 on the surface of the cylinder mounting plate 241 drives the FPC support plate 242 to extend and lift the FPC.

[0038] Subsequently, the ACF conductive adhesive with the release paper is placed into the pressure head coil assembly 514, and the release paper and the ACF conductive adhesive are peeled off by the lever of the ACF peeling group 53. The peeled ACF conductive adhesive is cut off by the ACF cutting group 54. After cutting, the ACF conductive adhesive is pressed onto the FPC surface by the ACF pressure head group 51, and the release paper is fed through the feeding group 55. Then, the winding and collecting are realized by the ACF peeling group 53. Finally, the two ACF pressure head mechanisms 5 are driven to move by the double-slide linear module 4. After moving to the desired attachment position, the attachment work is completed. After attachment, it is detected by the CCD camera 522 on the surface of the camera bracket 521.

[0039] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A large-scale double-sided PDLC multi-electrode multi-station conductive adhesive attaching device, comprising a frame (1), characterized in that: The surface of the frame (1) is installed with a platform assembly (2), and the platform assembly (2) is used for carrying the FPC; the surface of the frame (1) and one side of the platform assembly (2) is installed with a movable attachment assembly (3), and the movable attachment assembly (3) is used for attaching the ACF conductive adhesive to the surface of the FPC; the movable attachment assembly (3) is composed of a double-slide linear module (4) and an ACF pressure head mechanism (5); the double-slide linear module (4) is fixed to the surface of the frame (1), and the two slides on the left and right of the double-slide linear module (4) are both installed with ACF pressure head mechanisms (5), and the ACF pressure head mechanism (5) is used for attaching the ACF conductive adhesive; the surface of the frame (1) is installed with a control panel (11), and the control panel (11) is used for controlling the entire device.

2. The large-scale double-sided PDLC multi-electrode multi-station conductive adhesive attaching equipment according to claim 1, characterized in that: The platform assembly (2) is composed of a screw module (21), a UVW platform (22), a vacuum plate (23) and a detection jacking group (24); the screw module (21) is fixed to the surface of the frame (1); the UVW platform (22) is installed on the slide of the screw module (21), and the UVW platform (22) is slidably connected to the surface of the frame (1) through a linear slide rail.

3. The large-scale double-sided PDLC multi-electrode multi-station conductive adhesive attaching equipment according to claim 2, characterized in that: A vacuum plate (23) is installed on the top of the UVW platform (22), and the vacuum plate (23) is used for placing the FPC; a detection lifting group (24) is also provided on one side of the vacuum plate (23), and the detection lifting group (24) is used for lifting the FPC.

4. The large-scale double-sided PDLC multi-electrode multi-station conductive adhesive attaching equipment according to claim 3, characterized in that: The detection lifting group (24) includes a cylinder mounting plate (241), an FPC support plate (242) and a slide rail cylinder (243). The cylinder mounting plate (241) is provided with two groups, and the two groups are fixedly connected to the surface of the frame (1). An FPC support plate (242) is provided on one side of the vacuum plate (23), and the FPC support plate (242) is movably connected to the frame (1) through an inclined linear guide rail. The surface of the cylinder mounting plate (241) is obliquely installed with a slide rail cylinder (243), and the output end of the slide rail cylinder (243) is fixedly connected to the FPC support plate (242).

5. The large-scale double-sided PDLC multi-electrode multi-station conductive adhesive attaching equipment according to claim 1, characterized in that: The ACF pressing head mechanism (5) comprises an ACF pressing head group (51), an attachment detection CCD group (52), an ACF stripping group (53), an ACF cutting group (54), a material feeding group (55) and a waste material collecting group (56). The surface of the ACF pressing head group (51) is equipped with an attachment detection CCD group (52), and the attachment detection CCD group (52) is used for photographic detection after the ACF conductive adhesive is attached.

6. The large-scale double-sided PDLC multi-electrode multi-station conductive adhesive attaching equipment according to claim 5, characterized in that: The surface of the ACF pressure head group (51) is also provided with an ACF stripping group (53), an ACF cutting group (54), a material feeding group (55) and a waste material collecting group (56), and the ACF stripping group (53), the ACF cutting group (54), the material feeding group (55) and the waste material collecting group (56) are respectively used for stripping the ACF conductive glue and the release paper, cutting the ACF conductive glue, feeding the release paper and collecting the release paper.

7. The large-scale double-sided PDLC multi-electrode multi-station conductive adhesive attaching equipment according to claim 6, characterized in that: The ACF pressure head group (51) is composed of a carrier (511), a pressure head cylinder (512), a pressure head heating seat (513), a pressure head rolling assembly (514) and a back support assembly (515). The carrier (511) is fixed to the slide of the double-slide linear module (4). The surface of the carrier (511) is installed with a pressure head cylinder (512), and the output end of the pressure head cylinder (512) is installed with a pressure head heating seat (513). The surface of the carrier (511) is located directly below the pressure head heating seat (513) at the back support assembly (515). The back support assembly (515) cooperates with the pressure head heating seat (513) to press the ACF conductive adhesive when attaching. The surface of the carrier (511) is also installed with a pressure head rolling assembly (514), and the pressure head rolling assembly (514) is used for gluing the ACF conductive adhesive.

8. The large-scale double-sided PDLC multi-electrode multi-station conductive adhesive attaching equipment according to claim 7, characterized in that: The attachment detection CCD group (52) includes a camera bracket (521) and a CCD camera (522), the camera bracket (521) is fixedly connected to the surface of the carrier (511), and the surface of the carrier (511) is installed with a pressure head cylinder (512), and the pressure head cylinder (512) is used for the photo detection work of the adhesive attachment; the feeding group (55) is composed of a motor shaft (551) and a cylinder pressure wheel (552), the motor shaft (551) and the cylinder pressure wheel (552) are both fixedly connected to the surface of the carrier (511), and the motor shaft (551) cooperates with the cylinder pressure wheel (552) to feed the ACF conductive adhesive.

9. The large-scale double-sided PDLC multi-electrode multi-station conductive adhesive attaching equipment according to claim 8, characterized in that: The ACF cutting group (54) is composed of a circular cylinder (541), a movable slide (542), a micro cylinder (543), a cutter seat (544) and a blade (545). The circular cylinder (541) is fixed to the surface of the carrier (511) through a bracket, and the movable slide (542) is fixed to the output end of the circular cylinder (541), and the movable slide (542) is in sliding contact with the surface of the carrier (511).

10. The large-scale double-sided PDLC multi-electrode multi-station conductive adhesive attaching equipment according to claim 9, characterized in that: A micro cylinder (543) is obliquely mounted on the surface of the movable slide (542), and a cutter seat (544) is mounted on the output end of the micro cylinder (543), and a blade (545) is detachably connected to the end of the cutter seat (544), and the blade (545) is used to cut the ACF conductive glue.

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