Flexible printed circuit (FPC) bending bearing and film tearing device

Abstract

The utility model discloses a flexible FPC bending bearing and film tearing device which comprises a vertical seat, a jacking driving part, a jacking part and a film tearing part, and the vertical seat is vertically arranged below the position between two sets of flexible FPC bending mechanisms which are arranged on the left side and the right side in a spaced mode; the jacking driving part is arranged on one side wall of the vertical seat and outputs power in the vertical direction; the jacking component is arranged on the jacking driving component and is driven by the jacking driving component to move up and down, and the upper part of the jacking component extends towards the left side and the right side respectively so as to bear and jack the flexible FPC bent by the two sets of flexible FPC bending mechanisms from the lower part respectively; the number of the film tearing parts is two, and the two film tearing parts are arranged on the two sides of the upper portion of the jacking part respectively and used for tearing off a release film at the bottom of foam attached to the FPC. According to the utility model, automatic foam film tearing is realized when the FPC is bent, bearing jacking and bonding pressure maintaining are realized through an independent driving mode, the bonding smoothness is effectively improved, bending rebound is reduced, and the bending quality is improved.

Description

Technical Field

[0001] The utility model relates to the field of automation equipment, in particular to a flexible FPC bending bearing and film tearing device. Background Art

[0002] Flexible circuit boards, also known as "FPC soft boards", are printed circuit boards made of flexible insulating substrates. FPC can provide excellent electrical performance, meet the needs of smaller and higher density installation designs, and also help reduce assembly processes and enhance reliability. Flexible circuit boards FPC soft boards can be bent, wound, and folded freely, and can withstand millions of dynamic bends without damaging the wires. They can be arranged arbitrarily according to spatial layout requirements, and can be moved and stretched arbitrarily in three-dimensional space, thereby achieving the integration of component assembly and wire connection; and can greatly reduce the size and weight of electronic products, which is suitable for the development of electronic products towards high density, miniaturization, and high reliability.

[0003] In the field of new energy vehicles, the center console needs to use a flexible FPC. In order to adapt to the size and shape structure of the center console, the two ends of the flexible FPC need to be bent during the actual production process. In order to maintain the stability of the shape structure of the flexible FPC after bending, the bent flexible FPC is generally bonded and fixed by foam. Based on the above process requirements, during the bending process of the flexible FPC, due to the influence of the internal stress of the flexible FPC itself, rebound and other situations will occur after bending. Therefore, in order to maintain the stability of the shape structure of the flexible FPC after bending, the bent flexible FPC needs to be fixed with the help of external objects; when fixing the bent flexible FPC by foam bonding, it is necessary to solve the problem of tearing off the release film on the foam surface bonded to the flexible FPC, so that its adhesive layer is exposed to facilitate subsequent bonding. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a flexible FPC bending load-bearing and film-tearing device in view of the deficiencies of the above-mentioned prior art, which realizes automatic foam film tearing when the flexible FPC is bent, and realizes load-bearing lifting and bonding pressure maintenance through an independent driving method, effectively improves the bonding flatness, reduces bending rebound, and improves the bending quality.

[0005] The technical solution adopted by the utility model is as follows: a flexible FPC bending bearing and film tearing device, comprising a stand, a lifting drive component, a lifting component and a film tearing component, wherein the stand is vertically arranged below two sets of flexible FPC bending mechanisms spaced apart on the left and right sides; the lifting drive component is arranged on one side wall of the stand, and outputs power in the vertical direction; the lifting component is arranged on the lifting drive component, and is driven by the lifting drive component to move up and down, and the upper part of the lifting component extends to the left and right sides respectively, so as to carry and lift the flexible FPC bent by the two sets of flexible FPC bending mechanisms from the bottom; the film tearing component includes two groups, and the two groups of film tearing components are respectively arranged on both sides of the upper part of the lifting component, and are used to tear off the release film at the bottom of the foam attached to the flexible FPC.

[0006] Preferably, the jacking drive component includes a jacking linear module, a jacking support and a first jacking cylinder, wherein the jacking linear module is vertically arranged on a side wall of the stand and outputs power in the vertical direction; the first jacking cylinder is connected to the output end of the jacking linear module, is driven by the jacking linear module to move up and down, and the output end of the first jacking cylinder is arranged upward; the jacking support is connected to the output end of the first jacking cylinder, is driven by the first jacking cylinder to move up and down, the top of the jacking support extends horizontally to the other side of the stand, and a downwardly concave step surface is provided on one side wall of the jacking support.

[0007] Preferably, the lifting component includes a second lifting cylinder, a lifting seat, a lifting rod, a connecting column, a connecting head, a rotating shaft and a lifting rotating plate, wherein the second lifting cylinder is connected to a side wall of the lifting support seat, and the output end is arranged upward; the lifting seat is connected to the output end of the second lifting cylinder, and the lifting seat is provided with a support block with a top opening, and a rotating shaft is rotatably provided in the opening of the support block; the lifting rod includes two, and the lower ends of the two lifting rods are respectively connected to the rotating shaft in the opening of the support block, and the upper ends are respectively extended upward obliquely; the connecting column includes two, and the two connecting columns are respectively rotatably connected to the upper ends of the two lifting rods.

[0008] Preferably, the connecting head comprises two connecting heads, and the two connecting heads are rotatably connected to the side walls of the step surface of the jacking support through a rotating shaft; the connecting column is fixedly connected to the side wall of the connecting head, and the connection point between the two is located on the outside of the rotating shaft; the second jacking cylinder drives the two jacking rods to rotate around the rotating shaft through the jacking seat, and the two jacking rods drive the connecting head to rotate around the rotating shaft through the connecting column.

[0009] Preferably, the lifting and rotating plates include two plates, which are respectively connected to two connecting heads and extend outwards respectively to carry the flexible FPC; a vacuum suction pipe is provided on the lifting and rotating plates to fix the flexible FPC by vacuum negative pressure adsorption.

[0010] Preferably, the film tearing component includes a film tearing cylinder and a film tearing block, wherein the film tearing cylinder is arranged at the lower part of the lifting and rotating plate, and the output end is arranged upward; the film tearing block is connected to the output end of the film tearing cylinder, and the upper part of the film tearing block extends horizontally to the top of the lifting and rotating plate, and after clamping the release film at the bottom of the foam on the flexible FPC under the drive of the film tearing cylinder, the release film is driven to rotate so that it is torn off from the bottom of the foam.

[0011] The beneficial effects of the utility model are:

[0012] In view of the defects and shortcomings of the prior art, the utility model independently developed and designed a flexible FPC bending load-bearing and film-tearing device, which realizes automatic foam film tearing when the flexible FPC is bent, and realizes load-bearing jacking and bonding pressure maintenance through an independent drive method, effectively improving the bonding flatness, reducing bending rebound, and improving the bending quality.

[0013] The utility model aims to provide a foam film tearing device used in the bending process of a flexible FPC, which is used to tear off the release film attached to the bending part and used to adhere the bending part and the foam surface of the flexible FPC during the bending process of the flexible FPC, so as to expose the adhesive layer on the foam surface for subsequent adhesion. Based on the above design requirements, the utility model is arranged under the bending device of the bending machine during actual application. When the bending device turns the to-be-bent part of the end of the long flexible FPC downward to be bent, the foam originally attached to the front of the flexible FPC is turned to the back as the to-be-bent part is bent. At this time, the utility model rises close to the foam and tears off the release film at the bottom of the foam, and then the bending device bends again so that the foam adheres and fixes the bent part and the flexible FPC together. The special thing is that the utility model can realize the tearing of the foam film while also having the effect of lifting and bearing to achieve the effect of leveling and pressurizing the bent part, so that the foam can adhere to the bent part and the flexible FPC more effectively and flatly, avoiding the rebound after bending caused by the stress of the flexible FPC itself.Specifically, the utility model uses a vertically arranged stand as a bearing structure, and a lifting linear module is provided on the side wall of the stand to drive the first lifting cylinder connected thereto to move up and down, so as to serve as a power to approach or move away from the foam or the bending part in the vertical direction; a lifting support is provided on the upward output end of the first lifting cylinder, and the top of the lifting support is a flat structure, which can approach the bent part after adhesion from below under the drive of the first lifting cylinder, so as to press and flatten the bent part after adhesion upward, and perform adhesion and pressure maintenance, so that the bent part The two jacking levers are fully adhered and fixed to the flexible FPC; in addition, a second jacking cylinder is provided on the side wall of the jacking support, and the power output by the second jacking cylinder drives the jacking seat above it to move up and down, and the lower ends of the two jacking levers are rotatably connected to the opening of the support block on the jacking seat through the rotating shaft, and the upper ends of the jacking levers are inclined to extend outward and upward, and are rotatably connected to the connecting head through the connecting column. When the jacking seat rises, an upward force is generated on the jacking levers, and the upper ends of the two jacking levers drive the connecting head to rotate upward around the rotating shaft, and the connecting head When the lifting seat is lowered, the lower ends of the two lifting levers are pulled downward, so that the upper ends of the lifting levers drive the lifting plate to rotate downward through the connecting heads; when film tearing is required, the lifting seat drives the lifting plate to rotate upward around the rotating shaft from below, so that the film tearing cylinder and the film tearing block arranged below its outer side are close to the foam, and the film tearing cylinder drives the film tearing block to clamp the side of the release film of the foam from the side, and then the lifting seat is lowered, so that the lifting plate drives the film tearing cylinder and the film tearing block to drive the film tearing cylinder and the film tearing block to clamp the side of the release film of the foam from the side. The block drives the side of the clamped release film to rotate downward, so that the release film is gradually torn off from the foam surface; through the above structure, only one power output of the lifting seat is used, and the lifting power is converted into the rotational power of the two lifting rotating plates through the two lifting levers, so that the foam film tearing when two flexible FPCs are bent can be completed at the same time, which effectively improves the film tearing efficiency. In addition, the film tearing block clamps the side of the release film and then drives the side of the release film to flip downward to tear the film, which can effectively reduce the pulling force on the foam during the film tearing process and avoid displacement of the foam during film tearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is one of the three-dimensional structural schematic diagrams of the utility model.

[0015] Figure 2 This is the second schematic diagram of the three-dimensional structure of the utility model.

[0016] Figure 3 This is the third schematic diagram of the three-dimensional structure of the present utility model.

[0017] Figure 4 for Figure 2 Enlarged structural diagram at point III in the middle. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] It should be noted that all directional indications such as up, down, left, right, front, back, etc. in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0020] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "connection" 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, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] like Figures 1 to 4 As shown, the utility model proposes a flexible FPC bending, bearing and film-tearing device, comprising a stand 8111, a lifting drive component, a lifting component and a film-tearing component, wherein the stand 8111 is vertically arranged below two sets of flexible FPC bending mechanisms spaced apart on the left and right sides; the lifting drive component is arranged on one side wall of the stand 8111, and outputs power in the vertical direction; the lifting component is arranged on the lifting drive component, and is driven by the lifting drive component to move up and down, and the upper part of the lifting component extends to the left and right sides respectively, so as to carry and lift the flexible FPC bent by the two sets of flexible FPC bending mechanisms from the bottom respectively; the film-tearing component includes two groups, and the two groups of film-tearing components are respectively arranged on both sides of the upper part of the lifting component, and are used to tear off the release film at the bottom of the foam attached to the flexible FPC.

[0022] The lifting drive component includes a lifting linear module 8113, a lifting support 8112 and a first lifting cylinder 8114, wherein the lifting linear module 8113 is vertically arranged on a side wall of the stand 8111 and outputs power in the vertical direction; the first lifting cylinder 8114 is connected to the output end of the lifting linear module 8113, and is driven by the lifting linear module 8113 to move up and down, and the output end of the first lifting cylinder 8114 is arranged upward; the lifting support 8112 is connected to the output end of the first lifting cylinder 8114, and is driven by the first lifting cylinder 8114 to move up and down, the top of the lifting support 8112 extends horizontally to the other side of the stand 8111, and a downwardly concave step surface A is provided on one side wall of the lifting support 8112.

[0023] The lifting component includes a second lifting cylinder 8115, a lifting seat 8116, a lifting rod 8117, a connecting column 8118, a connecting head 8119, a rotating shaft 81110 and a lifting rotating plate 81111, wherein the second lifting cylinder 8115 is connected to a side wall of the lifting support 8112, and the output end is arranged upward; the lifting seat 8116 is connected to the output end of the second lifting cylinder 8115, and the lifting seat 8116 is provided with a support block with a top opening, and a rotating shaft is rotatably provided in the opening of the support block; the lifting rod 8117 includes two, and the lower ends of the two lifting rods 8117 are respectively connected to the rotating shaft in the opening of the support block, and the upper ends are respectively extended upward at an angle; the connecting column 8118 includes two, and the two connecting columns 8118 are respectively rotatably connected to the upper ends of the two lifting rods 8117.

[0024] The connecting head 8119 includes two connecting heads 8119, and the two connecting heads 8119 are rotatably connected to the side walls of the step surface A of the jacking support 8112 through the rotating shaft 81110; the connecting column 8118 is fixedly connected to the side wall of the connecting head 8119, and the connection point between the two is located on the outside of the rotating shaft 81110; the second jacking cylinder 8115 drives the two jacking rods 8117 to rotate around the rotating shaft through the jacking seat 8116, and the two jacking rods 8117 drive the connecting head 8119 to rotate around the rotating shaft 81110 through the connecting column 8118.

[0025] The lifting and rotating plates 81111 include two pieces. The two lifting and rotating plates 81111 are respectively connected to two connecting heads 8119 and extend outward respectively to carry the flexible FPC. The lifting and rotating plates 81111 are provided with vacuum suction pipes 81112 to fix the flexible FPC by vacuum negative pressure adsorption.

[0026] The film tearing component includes a film tearing cylinder 81113 and a film tearing block 81114, wherein the film tearing cylinder 81113 is arranged at the lower part of the lifting and rotating plate 81111, and the output end is arranged upward; the film tearing block 81114 is connected to the output end of the film tearing cylinder 81113, and the upper part of the film tearing block 81114 extends horizontally to the top of the lifting and rotating plate 81111, and after clamping the release film at the bottom of the foam on the flexible FPC under the drive of the film tearing cylinder 81113, it drives the release film to rotate and tear it off from the bottom of the foam.

[0027] The utility model designs a flexible FPC bending load-bearing and film-tearing device that realizes automatic foam film tearing when the flexible FPC is bent, and realizes load-bearing lifting and bonding pressure maintenance through an independent driving method, effectively improving bonding flatness, reducing bending rebound, and improving bending quality. The utility model aims to provide a foam film-tearing device used in the bending process of the flexible FPC, which is used to tear off the release film attached to the bending part and used to adhere the bending part and the foam surface of the flexible FPC during the bending process of the flexible FPC, so that the adhesive layer on the foam surface is exposed for subsequent adhesion. Based on the above design requirements, the utility model is arranged under the bending device of the bending machine during actual application. When the bending device turns the to-be-bent part of the end of the long flexible FPC downward to be bent, the foam originally attached to the front of the flexible FPC is turned to the back as the to-be-bent part is bent. At this time, the utility model rises close to the foam and tears off the release film at the bottom of the foam, and then the bending device bends again so that the foam adheres and fixes the bent part and the flexible FPC together. The special thing is that the utility model can realize the tearing of the foam film while also having the effect of lifting and bearing to achieve the effect of leveling and pressurizing the bent part, so that the foam can adhere to the bent part and the flexible FPC more effectively and flatly, avoiding the rebound after bending caused by the stress of the flexible FPC itself.Specifically, the utility model uses a vertically arranged stand as a bearing structure, and a lifting linear module is provided on the side wall of the stand to drive the first lifting cylinder connected thereto to move up and down, so as to serve as a power to approach or move away from the foam or the bending part in the vertical direction; a lifting support is provided on the upward output end of the first lifting cylinder, and the top of the lifting support is a flat structure, which can approach the bent part after adhesion from below under the drive of the first lifting cylinder, so as to press and flatten the bent part after adhesion upward, and perform adhesion and pressure maintenance, so that the bent part The two jacking levers are fully adhered and fixed to the flexible FPC; in addition, a second jacking cylinder is provided on the side wall of the jacking support, and the power output by the second jacking cylinder drives the jacking seat above it to move up and down, and the lower ends of the two jacking levers are rotatably connected to the opening of the support block on the jacking seat through the rotating shaft, and the upper ends of the jacking levers are inclined to extend outward and upward, and are rotatably connected to the connecting head through the connecting column. When the jacking seat rises, an upward force is generated on the jacking levers, and the upper ends of the two jacking levers drive the connecting head to rotate upward around the rotating shaft, and the connecting head When the lifting seat is lowered, the lower ends of the two lifting levers are pulled downward, so that the upper ends of the lifting levers drive the lifting plate to rotate downward through the connecting heads; when film tearing is required, the lifting seat drives the lifting plate to rotate upward around the rotating shaft from below, so that the film tearing cylinder and the film tearing block arranged below its outer side are close to the foam, and the film tearing cylinder drives the film tearing block to clamp the side of the release film of the foam from the side, and then the lifting seat is lowered, so that the lifting plate drives the film tearing cylinder and the film tearing block to drive the film tearing cylinder and the film tearing block to clamp the side of the release film of the foam from the side. The block drives the side of the clamped release film to rotate downward, so that the release film is gradually torn off from the foam surface; through the above structure, only one power output of the lifting seat is used, and the lifting power is converted into the rotational power of the two lifting rotating plates through the two lifting levers, so that the foam film tearing when two flexible FPCs are bent can be completed at the same time, which effectively improves the film tearing efficiency. In addition, the film tearing block clamps the side of the release film and then drives the side of the release film to flip downward to tear the film, which can effectively reduce the pulling force on the foam during the film tearing process and avoid displacement of the foam during film tearing.

[0028] The embodiments of the utility model are only to introduce its specific implementation methods and are not intended to limit its protection scope. The technicians in this industry can make some modifications inspired by the embodiments, so any equivalent changes or modifications made in accordance with the scope of the utility model patent are within the scope of the claims of the utility model patent.

Claims

1. A flexible FPC bending bearing and film tearing device, characterized in that: It includes a stand (8111), a lifting drive component, a lifting component and a film tearing component, wherein: The stand (8111) is vertically arranged below two sets of flexible FPC bending mechanisms spaced apart on the left and right sides; The lifting drive component is arranged on a side wall of the stand (8111) and outputs power in the vertical direction; The lifting component is arranged on the lifting driving component, and is driven by the lifting driving component to move up and down, and the upper part of the lifting component extends to the left and right sides respectively, so as to carry and lift the two sets of flexible FPCs bent by the flexible FPC bending mechanisms from the bottom respectively; The film-tearing components include two groups, which are respectively arranged on both sides of the upper part of the lifting component and are used to tear off the release film at the bottom of the foam attached to the flexible FPC.

2. A flexible FPC bending bearing and film tearing device according to claim 1, characterized in that: The lifting drive component comprises a lifting linear module (8113), a lifting support (8112) and a first lifting cylinder (8114), wherein the lifting linear module (8113) is vertically arranged on a side wall of the stand (8111) and outputs power in a vertical direction; the first lifting cylinder (8114) is connected to the output end of the lifting linear module (8113) and is driven by the lifting linear module (8113) to move up and down, and the output end of the first lifting cylinder (8114) is arranged upward; the lifting support (8112) is connected to the output end of the first lifting cylinder (8114) and is driven by the first lifting cylinder (8114) to move up and down, the top of the lifting support (8112) extends horizontally to the other side of the stand (8111), and a downwardly concave step surface (A) is provided on one side wall of the lifting support (8112).

3. A flexible FPC bending bearing and film tearing device according to claim 2, characterized in that: The lifting component comprises a second lifting cylinder (8115), a lifting seat (8116), a lifting lever (8117), a connecting column (8118), a connecting head (8119), a rotating shaft (81110) and a lifting rotating plate (81111), wherein the second lifting cylinder (8115) is connected to a side wall of the lifting support (8112) with the output end facing upward; the lifting seat (8116) is connected to the second lifting cylinder (8115). 115), a support block with a top opening is provided on the lifting seat (8116), and a rotating shaft is rotatably provided in the opening of the support block; the lifting lever (8117) includes two, and the lower ends of the two lifting levers (8117) are respectively connected to the rotating shaft in the opening of the support block, and the upper ends are respectively extended upward at an angle; the connecting column (8118) includes two, and the two connecting columns (8118) are respectively rotatably connected to the upper ends of the two lifting levers (8117).

4. A flexible FPC bending bearing and film tearing device according to claim 3, characterized in that: The connecting head (8119) includes two connecting heads (8119), and the two connecting heads (8119) are rotatably connected to the side walls of the step surface (A) of the jacking support (8112) through the rotating shaft (81110); the connecting column (8118) is fixedly connected to the side wall of the connecting head (8119), and the connection point between the two is located on the outside of the rotating shaft (81110); the second jacking cylinder (8115) drives the two jacking levers (8117) to rotate around the rotating shaft through the jacking seat (8116), and the two jacking levers (8117) drive the connecting head (8119) to rotate around the rotating shaft (81110) through the connecting column (8118).

5. A flexible FPC bending bearing and film tearing device according to claim 4, characterized in that: The lifting and rotating plates (81111) include two pieces. The two lifting and rotating plates (81111) are respectively connected to two connecting heads (8119) and respectively extend outwards to carry the flexible FPC. The lifting and rotating plates (81111) are provided with vacuum suction pipes (81112) to fix the flexible FPC through vacuum negative pressure adsorption.

6. A flexible FPC bending bearing and film tearing device according to claim 3, characterized in that: The film-tearing component comprises a film-tearing cylinder (81113) and a film-tearing block (81114), wherein the film-tearing cylinder (81113) is arranged at the lower part of the lifting and rotating plate (81111), and the output end is arranged upward; the film-tearing block (81114) is connected to the output end of the film-tearing cylinder (81113), and the upper part of the film-tearing block (81114) extends horizontally to the top of the lifting and rotating plate (81111), and after clamping the release film at the bottom of the foam on the flexible FPC under the drive of the film-tearing cylinder (81113), the release film is driven to rotate so that it is torn off from the bottom of the foam.

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