Flexible printed circuit (FPC) one-way bending device

Abstract

The utility model discloses a flexible FPC one-way bending device which comprises a UVW platform, a supporting box, a linear module, a lifting frame, a bending supporting plate, a bending driving assembly and a bending assembly, and the UVW platform is horizontally arranged on a machine table; the supporting box is arranged on the UVW platform; the linear module is vertically arranged on the side wall of the supporting box; the lifting frame is connected to the output end of the linear module; the number of the bending supporting plates is two, and the two bending supporting plates are connected to the side wall of the lifting frame in parallel in a spaced mode. The number of the bending driving assemblies is two, and the two bending driving assemblies are arranged on the two bending supporting plates correspondingly. The number of the bending assemblies is two, and one ends of the two bending assemblies are in tooth connection with the output end of the bending driving assembly. And the other end of the bending assembly extends towards the bending support plate and is used for bearing, adsorbing and clamping the to-be-bent part of the FPC. According to the bending device, automatic bearing and bending are achieved, the bending part is automatically adsorbed, pressed and fixed during bending, and the bending accuracy is effectively guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of automation equipment, in particular to a flexible FPC one-way bending 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 bendings without damaging the wires. They can be arranged arbitrarily according to the requirements of spatial layout, and can be moved and stretched arbitrarily in three-dimensional space, so as to achieve the integration of component assembly and wire connection; and can greatly reduce the volume and weight of electronic products, and meet the needs of electronic products to develop in the direction of high density, miniaturization, and high reliability. In the field of new energy vehicles, flexible FPC is needed for the center console. In order to adapt to the size and shape structure of the center console, the two ends of the flexible FPC need to be processed by bending process in 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 flexible material and other characteristics of the flexible FPC itself, the problem of bearing, adsorption or clamping and fixing of the flexible FPC needs to be solved during the bending process to avoid positional displacement during the bending action. At the same time, the problem of power transmission for bending or clamping also needs to be solved. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a flexible FPC one-way bending device which can automatically bear and bend, automatically adsorb and press the bent part when bending, and effectively ensure the bending accuracy, in view of the deficiencies of the above-mentioned prior art.

[0004] The technical solution adopted by the utility model is as follows: a flexible FPC unidirectional bending device, including a UVW platform, a support box, a linear module, a lifting frame, a bending support plate, a bending drive assembly and a bending assembly, wherein the UVW platform is horizontally arranged on the machine table and outputs power in the horizontal plane along the horizontal and longitudinal directions; the support box is arranged on the UVW platform, and the power output by the UVW platform moves in the horizontal plane along the horizontal and longitudinal directions; the linear module is vertically arranged on the side wall of the support box and outputs power in the vertical direction; the lifting frame is connected to the output end of the linear module, and is driven by the linear module to move up and down, and the lifting frame extends horizontally To both sides of the linear module; the bending support plates include two pieces, and the two bending support plates are connected to the side walls of the lifting frame in parallel and at intervals; the bending drive assembly includes two groups, and the two groups of bending drive assemblies are respectively arranged on the two bending support plates, and output power in the vertical direction; the bending assembly includes two groups, and one end of the two groups of bending assemblies is connected to the output end teeth of the bending drive assembly, and the bending drive assembly drives the bending assembly to rotate; the other end of the bending assembly extends toward the bending support plate, which is used to carry, adsorb and clamp the flexible FPC to be bent; the bending drive assembly drives the bending assembly to drive the flexible FPC to be bent, so as to bend the flexible FPC.

[0005] Preferably, the bending drive assembly includes a connecting frame, a driving motor, a driving rod, a driving gear and a driving connecting rod, wherein the connecting frame is arranged at the bottom of the outer end of the bending support plate; the driving motor is vertically arranged at the bottom of the connecting frame, and the output end is arranged upward; the driving rod is vertically connected to the output end of the driving motor, and extends upward through the connecting frame and the bending support plate; at least two racks are arranged on the side wall of the driving rod at intervals in the vertical direction.

[0006] Preferably, the driving connecting rod is horizontally rotatably arranged on the bending support plate; the driving gear is sleeved on one end of the driving connecting rod and is meshed with the rack on the side wall of the driving rod. When the driving rod moves up and down, the power of the driving connecting rod's rotational movement is transmitted through the rack and the driving gear.

[0007] Preferably, the angle between the driving connecting rod and the bent support plate is 45°.

[0008] Preferably, the bending assembly includes a supporting plate, an adsorption member, a limiting member and a pressing member, wherein the supporting plate is horizontally arranged, and the supporting plate includes a connecting portion and a supporting portion; the connecting portion is used to be connected to the other end of the driving connecting rod; the supporting portion is connected to the inner side of the connecting portion, and extends inward in the same direction as the bending support plate, and the angle between the supporting portion and the connecting portion is 135°; the adsorption member is arranged on the supporting plate, and is used to downwardly adsorb and fix the flexible FPC; the limiting member is arranged on both sides of the adsorption member, and is used to guide and limit the flexible FPC placed on the supporting plate; the pressing member includes at least two groups, and at least two groups of pressing members are respectively arranged on both sides of the adsorption member, and are used to press and fix the flexible FPC on the supporting plate.

[0009] Preferably, the adsorbent comprises a suction nozzle; the suction nozzle comprises at least two, and the at least two suction nozzles are arranged on the bearing portion along a straight line direction, and fix the flexible FPC by vacuum negative pressure adsorption.

[0010] Preferably, the limiting member includes limiting blocks, which include at least two limiting blocks, which are arranged on both sides of the adsorption member and protrude upward to above the adsorption member so as to guide the limiting flexible FPC from both sides of the adsorption member.

[0011] Preferably, the clamping member includes a clamping cylinder, a clamping transmission rod, a clamping support, a clamping transmission gear and a clamping block, wherein the clamping cylinder is vertically arranged at the lower part of the load-bearing part, and the output end is arranged upward; the clamping support is arranged at the upper part of the clamping cylinder, and a mounting groove is provided on the side of the clamping support close to the load-bearing part; the clamping transmission rod is vertically connected to the output end of the clamping cylinder and passes through the clamping support upward; at least two racks are provided on a side wall of the clamping transmission rod close to the load-bearing part in the vertical direction; the clamping transmission gear is rotatably arranged in the mounting groove of the clamping support, and is meshed with the rack on the side wall of the clamping transmission rod, and the clamping transmission gear is driven to rotate when the clamping transmission rod moves up and down; the clamping block is connected to the side wall of the clamping transmission gear and extends to the top of the load-bearing part, and the clamping transmission gear drives the clamping block to rotate so as to clamp or loosen the flexible FPC placed on the load-bearing part.

[0012] The beneficial effects of the utility model are:

[0013] In view of the defects and shortcomings of the prior art, the utility model independently develops and designs a flexible FPC one-way bending device which can automatically bear and bend, automatically adsorb and press the bent part when bending, and effectively ensure the bending accuracy.

[0014] The utility model aims to provide a device for automatically bending a flexible FPC in a flexible FPC automatic bending machine, the function of which is to fix the bending portion after approaching the bending portion of the flexible FPC, and at the same time drive the bending portion to rotate, so as to realize turning and bending the bending portion at the end of the flexible FPC from the front side to the back side of the flexible FPC. Specifically, in order to solve the problem of accurately moving the bending execution structure to the end of the flexible FPC to be bent before bending, the utility model adopts a U-shaped frame structure formed by a lifting frame and bending support plates connected on both sides thereof as the bearing body, and the lifting frame is lifted and lowered by the power provided by the linear module, and moves in the longitudinal and transverse directions in the horizontal plane by the power provided by the UVW platform below, so as to adjust the relative position with the bending platform to ensure that it moves to the precise position before bending; in addition, the U-shaped opening of the U-shaped frame structure is embedded in the end of the bending platform of the bending machine, and bending structures are provided on both bending support plates. The two sets of bending structures independently realize automatic bending of two flexible FPCs on the bending platform, so that a single mechanism can independently and synchronously complete the bending of two flexible FPCs, effectively improving the bending efficiency. The bending structure is used to provide power during bending, and to drive the bending part to rotate after fixing the bending to achieve bending. The bending structure includes a bending drive assembly and a bending assembly. The bending drive assembly is used to provide rotational power during bending, and the bending assembly is used to carry and fix the bending part and drive the bending part to rotate.Specifically, the bending drive assembly of the utility model uses a driving motor vertically arranged below the bending support plate as a power mechanism, and the power output by the driving motor in the vertical direction causes the driving rod connected to its output end to move up and down, and the driving rod drives the driving gear meshing with it to rotate through the rack on its side wall, thereby converting the linear motion into the rotational motion of the driving gear to meet the rotation requirements during bending, and the driving gear drives the driving rod connected thereto to rotate, thereby realizing the bending rotation power output; the bending assembly is connected to the driving rod and rotates with the driving rod, and the bending assembly uses a carrying plate as a carrying structure, and the carrying plate is fixedly connected to the driving rod, and at least two suction nozzles are provided on the carrying plate in a straight line direction, and at least two limit blocks are provided on both sides of the suction nozzle. When bending, the carrying plate approaches the bending portion of the flexible FPC from below, and the guide space formed by the limit block allows the strip-shaped bending portion to be guided and limited by the limit block when it is close to the suction nozzle, so as to ensure the bending The relative position between the bending part and the suction nozzle is accurate. After the bending part is close to the suction nozzle, the suction nozzle fixes the bending part through vacuum negative pressure adsorption, so that the bending part is fixed on the supporting plate, so that the supporting plate drives the bending part to rotate to realize the rotational bending of the bending part; further, in order to avoid the position deviation of the bending part during rotation due to unstable adsorption of the suction nozzle, the utility model also has at least two groups of clamping members on both sides of the suction nozzle. The clamping member outputs linear power in the vertical direction through a clamping cylinder arranged at the lower side of the supporting plate to drive the clamping transmission rod to move linearly. When the clamping transmission rod moves linearly, the rack on its side wall drives the clamping transmission gear meshing with it to rotate. After the linear motion is converted into rotational motion, the clamping transmission gear drives the pressure block connected to its side to clamp and fix the bending part on the supporting plate, which further ensures the relative stability of the position between the bending part and the supporting plate, effectively ensures the position accuracy during bending, and improves the bending yield. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is one of the three-dimensional structural schematic diagrams of the utility model.

[0016] Figure 2 This is the second schematic diagram of the three-dimensional structure of the utility model.

[0017] Figure 3 This is the third schematic diagram of the three-dimensional structure of the present utility model.

[0018] Figure 4 This is the fourth schematic diagram of the three-dimensional structure of the present utility model.

[0019] Figure 5 for Figure 3 The enlarged structural diagram at II in the middle. DETAILED DESCRIPTION

[0020] 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.

[0021] 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.

[0022] 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.

[0023] like Figures 1 to 5As shown, the utility model proposes a flexible FPC unidirectional bending device, including a UVW platform 71, a support box 72, a linear module 73, a lifting frame 74, a bending support plate 75, a bending drive assembly 76 and a bending assembly 77, wherein the UVW platform 71 is horizontally arranged on the machine platform, and outputs power in the horizontal plane along the horizontal and longitudinal directions; the support box 72 is arranged on the UVW platform 71, and moves in the horizontal plane along the horizontal and longitudinal directions through the power output by the UVW platform 71; the linear module 73 is vertically arranged on the side wall of the support box 72, and outputs power in the vertical direction; the lifting frame 74 is connected to the output end of the linear module 73, and is driven by the linear module 73 to move up and down, and the lifting frame 74 extends horizontally to the straight Both sides of the wire module 73; the bending support plate 75 includes two pieces, and the two bending support plates 75 are connected to the side wall of the lifting frame 74 in parallel and at intervals; the bending drive assembly 76 includes two groups, and the two groups of bending drive assemblies 76 are respectively arranged on the two bending support plates 75, and output power in the vertical direction; the bending assembly 77 includes two groups, and one end of the two groups of bending assemblies 77 is connected to the output end teeth of the bending drive assembly 76, and the bending drive assembly 76 drives the bending assembly 77 to rotate; the other end of the bending assembly 77 extends toward the bending support plate 75, which is used to carry, adsorb and clamp the flexible FPC to be bent; the bending drive assembly 76 drives the bending assembly 77 to drive the flexible FPC to be bent, so as to bend the flexible FPC.

[0024] The bending drive assembly 76 includes a connecting frame 761, a driving motor 762, a driving rod 763, a driving gear 764 and a driving connecting rod 765, wherein the connecting frame 761 is arranged at the bottom of the outer end of the bending support plate 75; the driving motor 762 is vertically arranged at the bottom of the connecting frame 761, and the output end is arranged upward; the driving rod 763 is vertically connected to the output end of the driving motor 762, and extends upward through the connecting frame 761 and the bending support plate 75; at least two racks are arranged on the side wall of the driving rod 763 at intervals in the vertical direction.

[0025] The driving link 765 is horizontally rotatably arranged on the bent support plate 75; the driving gear 764 is sleeved on one end of the driving link 765 and is meshed with the rack on the side wall of the driving rod 763. When the driving rod 763 moves up and down, the power of the driving link 765 to rotate is transmitted through the rack and the driving gear 764.

[0026] The included angle between the driving connecting rod 765 and the bending support plate 75 is 45°.

[0027] The bending assembly 77 includes a supporting plate 771, an adsorbent, a limiting member and a pressing member, wherein the supporting plate 771 is horizontally arranged, and the supporting plate 771 includes a connecting portion and a supporting portion; the connecting portion is used to be connected to the other end of the driving connecting rod 765; the supporting portion is connected to the inner side of the connecting portion, and extends inward in the same direction as the bending support plate 75, and the angle between the supporting portion and the connecting portion is 135°; the adsorbent is arranged on the supporting plate 771, and is used to downwardly adsorb and fix the flexible FPC; the limiting member is arranged on both sides of the adsorbent, and is used to guide and limit the flexible FPC placed on the supporting plate 771; the pressing member includes at least two groups, and at least two groups of pressing members are respectively arranged on both sides of the adsorbent, and are used to press and fix the flexible FPC on the supporting plate 771.

[0028] The adsorbent includes a suction nozzle 772; the suction nozzle 772 includes at least two, and the at least two suction nozzles 772 are arranged on the bearing portion along a straight line direction, and fix the flexible FPC by vacuum negative pressure adsorption.

[0029] The limiting member includes a limiting block 778, which includes at least two blocks. The at least two limiting blocks 778 are arranged on both sides of the adsorption member and protrude upward to above the adsorption member so as to guide the limiting flexible FPC from both sides of the adsorption member.

[0030] The pressing member includes a pressing cylinder 773, a pressing transmission rod 774, a pressing support 775, a pressing transmission gear 776 and a pressing block 777, wherein the pressing cylinder 773 is vertically arranged at the lower part of the bearing part, and the output end is arranged upward; the pressing support 775 is arranged at the upper part of the pressing cylinder 773, and a mounting groove is provided on the side of the pressing support 775 close to the bearing part; the pressing transmission rod 774 is vertically connected to the output end of the pressing cylinder 773 and passes through the pressing support 775 upward; the pressing transmission rod 774 is close to the bearing part, and the output end of the pressing cylinder 773 is arranged upward ... At least two racks are provided on one side wall of the bearing portion in the vertical direction; the clamping transmission gear 776 is rotatably arranged in the installation groove of the clamping support 775, and is meshed with the rack on the side wall of the clamping transmission rod 774, and the clamping transmission rod 774 drives the clamping transmission gear 776 to rotate when it moves up and down; the pressing block 777 is connected to the side wall of the clamping transmission gear 776 and extends to the top of the bearing portion. The clamping transmission gear 776 drives the pressing block 777 to rotate so as to clamp or loosen the flexible FPC placed on the bearing portion.

[0031] The utility model designs a flexible FPC one-way bending device that automatically carries, bends, and automatically absorbs and presses the bent part during bending to effectively ensure the bending accuracy. The utility model aims to provide a device used in a flexible FPC automatic bending machine for performing automatic bending of a flexible FPC. Its function is to fix the bent part after approaching the bent part of the flexible FPC, and at the same time drive the bent part to rotate, so as to realize the bending part at the end of the flexible FPC being turned over and bent from the front to the back of the flexible FPC. Specifically, in order to solve the problem of accurately moving the bending execution structure to the end of the flexible FPC to be bent before bending, the utility model adopts a U-shaped frame structure formed by a lifting frame and bending support plates connected on both sides thereof as the bearing body, and the lifting frame is lifted and lowered by the power provided by the linear module, and moves in the longitudinal and transverse directions in the horizontal plane by the power provided by the UVW platform below, so as to adjust the relative position with the bending platform to ensure that it moves to the precise position before bending; in addition, the U-shaped opening of the U-shaped frame structure is embedded in the end of the bending platform of the bending machine, and bending structures are provided on both bending support plates. The two sets of bending structures independently realize automatic bending of two flexible FPCs on the bending platform, so that a single mechanism can independently and synchronously complete the bending of two flexible FPCs, effectively improving the bending efficiency. The bending structure is used to provide power during bending, and to drive the bending part to rotate after fixing the bending to achieve bending. The bending structure includes a bending drive assembly and a bending assembly. The bending drive assembly is used to provide rotational power during bending, and the bending assembly is used to carry and fix the bending part and drive the bending part to rotate.Specifically, the bending drive assembly of the utility model uses a driving motor vertically arranged below the bending support plate as a power mechanism, and the power output by the driving motor in the vertical direction causes the driving rod connected to its output end to move up and down, and the driving rod drives the driving gear meshing with it to rotate through the rack on its side wall, thereby converting the linear motion into the rotational motion of the driving gear to meet the rotation requirements during bending, and the driving gear drives the driving rod connected thereto to rotate, thereby realizing the bending rotation power output; the bending assembly is connected to the driving rod and rotates with the driving rod, and the bending assembly uses a carrying plate as a carrying structure, and the carrying plate is fixedly connected to the driving rod, and at least two suction nozzles are provided on the carrying plate in a straight line direction, and at least two limit blocks are provided on both sides of the suction nozzle. When bending, the carrying plate approaches the bending portion of the flexible FPC from below, and the guide space formed by the limit block allows the strip-shaped bending portion to be guided and limited by the limit block when it is close to the suction nozzle, so as to ensure the bending The relative position between the bending part and the suction nozzle is accurate. After the bending part is close to the suction nozzle, the suction nozzle fixes the bending part through vacuum negative pressure adsorption, so that the bending part is fixed on the supporting plate, so that the supporting plate drives the bending part to rotate to realize the rotational bending of the bending part; further, in order to avoid the position deviation of the bending part during rotation due to unstable adsorption of the suction nozzle, the utility model also has at least two groups of clamping members on both sides of the suction nozzle. The clamping member outputs linear power in the vertical direction through a clamping cylinder arranged at the lower side of the supporting plate to drive the clamping transmission rod to move linearly. When the clamping transmission rod moves linearly, the rack on its side wall drives the clamping transmission gear meshing with it to rotate. After the linear motion is converted into rotational motion, the clamping transmission gear drives the pressure block connected to its side to clamp and fix the bending part on the supporting plate, which further ensures the relative stability of the position between the bending part and the supporting plate, effectively ensures the position accuracy during bending, and improves the bending yield.

[0032] 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 one-way bending device, characterized in that: It comprises a UVW platform (71), a support box (72), a linear module (73), a lifting frame (74), a bending support plate (75), a bending drive assembly (76) and a bending assembly (77), wherein: The UVW platform (71) is horizontally arranged on the machine platform and outputs power in the horizontal plane along the transverse and longitudinal directions; The support box (72) is arranged on the UVW platform (71), and moves in the horizontal and longitudinal directions in the horizontal plane through the power output by the UVW platform (71); The linear module (73) is vertically arranged on the side wall of the support box (72) and outputs power in the vertical direction; The lifting frame (74) is connected to the output end of the linear module (73) and is driven by the linear module (73) to move upward and downward. The lifting frame (74) extends horizontally to both sides of the linear module (73); The bent support plates (75) include two pieces, and the two bent support plates (75) are connected to the side wall of the lifting frame (74) in parallel and at intervals; The bending drive assembly (76) comprises two groups, and the two groups of bending drive assemblies (76) are respectively arranged on two bending support plates (75) and output power in a vertical direction; The bending components (77) include two groups, one end of each of the two groups of bending components (77) is connected to the output end teeth of the bending drive component (76), and the bending drive component (76) drives the bending component (77) to rotate; The other end of the bending component (77) extends in the direction of the bending support plate (75) and is used to carry, absorb and clamp the portion of the flexible FPC to be bent; the bending drive component (76) drives the bending component (77) to drive the portion of the flexible FPC to be bent, so as to bend the flexible FPC.

2. A flexible FPC one-way bending device according to claim 1, characterized in that: The bending drive assembly (76) comprises a connecting frame (761), a driving motor (762), a driving rod (763), a driving gear (764) and a driving connecting rod (765), wherein the connecting frame (761) is arranged at the bottom of the outer end of the bending support plate (75); the driving motor (762) is vertically arranged at the bottom of the connecting frame (761), and the output end is arranged upward; the driving rod (763) is vertically connected to the output end of the driving motor (762), and passes through the connecting frame (761) and the bending support plate (75) to extend upward; and at least two racks are arranged on the side wall of the driving rod (763) at intervals in the vertical direction.

3. A flexible FPC one-way bending device according to claim 2, characterized in that: The driving connecting rod (765) is horizontally rotatably arranged on the bent support plate (75); the driving gear (764) is sleeved on one end of the driving connecting rod (765) and meshedly connected with the rack on the side wall of the driving rod (763); when the driving rod (763) moves up and down, the power of the driving connecting rod (765) to rotate is transmitted through the rack and the driving gear (764).

4. The flexible FPC one-way bending device according to claim 3, characterized in that: The included angle between the driving connecting rod (765) and the bent support plate (75) is 45°.

5. The flexible FPC one-way bending device according to claim 3, characterized in that: The bending assembly (77) comprises a bearing plate (771), an adsorbing member, a limiting member and a pressing member, wherein the bearing plate (771) is arranged horizontally, and the bearing plate (771) comprises a connecting portion and a bearing portion; the connecting portion is used to be connected to the other end of the driving connecting rod (765); the bearing portion is connected to the inner side of the connecting portion and extends inward in the same direction as the bending support plate (75), and the angle between the bearing portion and the connecting portion is 135°; the adsorbing member is arranged on the bearing plate (771) and is used to downwardly adsorb and fix the flexible FPC; the limiting member is arranged on both sides of the adsorbing member and is used to guide and limit the flexible FPC placed on the bearing plate (771); the pressing member comprises at least two groups, and the at least two groups of pressing members are respectively arranged on both sides of the adsorbing member and are used to press and fix the flexible FPC on the bearing plate (771).

6. The flexible FPC one-way bending device according to claim 5, characterized in that: The adsorption component comprises a suction nozzle (772); the suction nozzle (772) comprises at least two, and the at least two suction nozzles (772) are arranged on the bearing portion along a straight line direction, and fix the flexible FPC by vacuum negative pressure adsorption.

7. The flexible FPC one-way bending device according to claim 5, characterized in that: The limiting member comprises a limiting block (778), wherein the limiting block (778) comprises at least two blocks, and the at least two limiting blocks (778) are arranged on both sides of the adsorption member and protrude upwards to above the adsorption member, so as to guide the limiting flexible FPC from both sides of the adsorption member.

8. The flexible FPC one-way bending device according to claim 5, characterized in that: The clamping member comprises a clamping cylinder (773), a clamping transmission rod (774), a clamping support (775), a clamping transmission gear (776) and a clamping block (777), wherein the clamping cylinder (773) is vertically arranged at the lower part of the bearing portion, and the output end is arranged upward; the clamping support (775) is arranged at the upper part of the clamping cylinder (773), and a mounting groove is provided on a side of the clamping support (775) close to the bearing portion; the clamping transmission rod (774) is vertically connected to the output end of the clamping cylinder (773) and passes through the clamping support (775) upward; the clamping transmission rod (774) ) At least two racks are provided in the vertical direction on a side wall close to the bearing portion; the clamping transmission gear (776) is rotatably arranged in the installation groove of the clamping support (775) and is meshed with the rack on the side wall of the clamping transmission rod (774), and the clamping transmission rod (774) drives the clamping transmission gear (776) to rotate when it moves up and down; the pressing block (777) is connected to the side wall of the clamping transmission gear (776) and extends to the top of the bearing portion, and the clamping transmission gear (776) drives the pressing block (777) to rotate so as to clamp or loosen the flexible FPC placed on the bearing portion.

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