Flexible printed circuit (FPC) bending head
By designing the compression mechanism of support plate, vacuum nozzle and cylinder drive, the problem of low position deviation and accuracy during flexible FPC bending process is solved, and the automatic fixing and rotation of the bending part is realized, improving the bending accuracy Spend.
Patent Information
- Application Number
- CN202421013524.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-11
AI Technical Summary
During the flexible FPC bending process, it is difficult to effectively carry, adsorb and press the bent parts, resulting in problems of position deviation and low accuracy.
A flexible FPC flexure head including a support plate, a connecting part, an adsorption part, a limiting part and a pressing part is designed. The pressing mechanism driven by a vacuum nozzle and a cylinder is used to achieve the fixing and rotation of the bending part to ensure that Position stability and accuracy.
It effectively ensures position stability and accuracy during bending process, and improves the automation accuracy of flexible FPC bending.
Smart Images

Figure CN222321850U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of automation equipment, in particular to a flexible FPC bending head. 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 flexible FPC. In order to adapt to the size and shape of the center console, the two ends of the flexible FPC need to be bent 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 with foam. Based on the above process requirements, during the bending process of the flexible FPC, due to the characteristics of the flexible material of the flexible FPC itself, the problem of bearing, adsorption or pressing and fixing of the flexible FPC needs to be solved during the bending process to avoid positional offset during the bending process. Utility Model Content
[0004] The technical problem to be solved by the utility model is to provide a flexible FPC bending head for carrying, adsorbing, and pressing a bending part during the bending process of a flexible FPC, and driving the bending part to rotate, so as to realize automatic bending of the bending part, effectively ensure the position stability during the bending process, and improve the bending accuracy.
[0005] The technical solution adopted by the utility model is as follows: a flexible FPC bending head, comprising a support plate, a connecting portion, an adsorption component, a limiting component and a clamping component, wherein the support plate is a horizontal plate-shaped structure; the connecting portion is arranged on one side of the support plate, and is used to be connected and fixed to an external rotating mechanism, and the rotating mechanism drives the support plate to rotate so as to bend the flexible FPC placed on the support plate; the adsorption component is arranged on the support plate, and is used to adsorb and fix the flexible FPC downward on the support plate; the limiting components are arranged on both sides of the adsorption component, and are used to guide and limit the flexible FPC placed on the support plate; the clamping component includes at least two groups, and at least two of the clamping components are arranged on both sides of the adsorption component at intervals in a straight line direction, and are used to clamp and fix the flexible FPC.
[0006] Preferably, the adsorption component comprises a vacuum suction nozzle; the vacuum suction nozzle comprises at least two, and at least two vacuum suction nozzles are arranged on the support plate along a straight line direction to fix the flexible FPC by vacuum negative pressure adsorption.
[0007] Preferably, the limiting component includes a guide block, which includes at least two guide blocks. The at least two guide blocks are arranged on both sides of the vacuum nozzle and protrude above the support plate to guide and limit the flexible FPC from both sides of the vacuum nozzle.
[0008] Preferably, the clamping component includes a cylinder, a push rod, a support, a transmission gear and a pressure plate, wherein the cylinder is arranged at the lower part of the support plate, and the output end is arranged upward; the support is arranged at the upper part of the cylinder, and an installation space is provided on the side of the support close to the support plate.
[0009] Preferably, the push rod is connected to the output end of the cylinder and extends upward through the support. The push rod is driven by the cylinder to move up and down in the vertical direction. At least two racks are provided at intervals in the vertical direction on the side of the push rod close to the support plate. The transmission gear is rotatably arranged in the installation space of the support and meshed with the rack on the push rod. The transmission gear is driven to rotate when the push rod moves up and down.
[0010] Preferably, one end of the pressing plate is fixed on the side wall of the transmission gear, and the other end extends above the support plate. The pressing plate presses or loosens the flexible FPC on the support plate as the transmission gear rotates.
[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 head for carrying, adsorbing, and pressing the bending part during the bending process of the flexible FPC, and driving the bending part to rotate, so as to realize automatic bending of the bending part, effectively ensuring the position stability during the bending process and improving the bending accuracy.
[0013] The utility model is applied to the field of automatic bending of flexible FPC, and provides a device for performing bending in the bending process of flexible FPC, which belongs to a bending execution device of a bending machine, and is used to fix the bending part of the flexible FPC during the bending process and then drive the bending part to rotate to achieve the effect of bending the bending part. During the bending process, the utility model approaches the bending part of the flexible FPC from below, fixes the bending part, and then drives the bending part to rotate to complete the automatic bending of the bending part. Specifically, the utility model uses a support plate of a horizontal plate-like structure as a bearing structure, and one side of the support plate is provided with a connecting portion extending outwardly for connecting to a bending power mechanism of a bending machine, and the connecting portion is recessed downward and has a plurality of mounting screw holes for connecting and fixing with the bending power mechanism; the special feature is that at least two vacuum suction nozzles are provided in a straight line direction on the support plate of the utility model, and at least two guide blocks are provided on both sides of the vacuum suction nozzle. When the support plate approaches the bending portion of the flexible FPC from below, the space formed by the guide blocks on both sides of the vacuum suction nozzle is used to guide and limit the bending portion that fits the vacuum suction nozzle, so as to achieve precise fitting of the vacuum suction nozzle and the bending portion. After the bending portion fits the vacuum suction nozzle in the guide space, the vacuum suction nozzle fixes the bending portion by vacuum negative pressure absorption, thereby achieving the fixing of the bending portion. fixed on the support plate; since the bending part is a long strip structure, in order to avoid the position displacement of the bending part relative to the support plate due to the disappearance of the adsorption force at the vacuum suction nozzle or the instability of the adsorption during the bending process, the utility model also has at least two groups of clamping components on both sides of the vacuum suction nozzle. The clamping component provides driving force with a cylinder arranged at the lower side of the support plate. The power output by the cylinder in the vertical direction drives the push rod to move up and down. The power in the vertical direction is converted into the rotational power of the transmission gear through the rack arranged on the side wall of the push rod and the transmission gear meshing with it. The transmission gear drives the pressure plate connected to it and extending to the top of the support plate to rotate, so that the pressure plate rotates from the outside and presses and fixes the bending part, further ensuring the relative position stability of the bending part and improving the bending position accuracy. 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. DETAILED DESCRIPTION
[0017] 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.
[0018] 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.
[0019] 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.
[0020] like Figures 1 to 3 As shown, the utility model proposes a flexible FPC bending head, including a support plate 8101, a connecting portion 8102, an adsorption component, a limiting component and a clamping component, wherein the support plate 8101 is a horizontal plate-like structure; the connecting portion 8102 is arranged on one side of the support plate 8101, and is used to connect and be fixed to an external rotating mechanism, and the rotating mechanism drives the support plate 8101 to rotate so as to bend the flexible FPC placed on the support plate 8101; the adsorption component is arranged on the support plate 8101, and is used to adsorb and fix the flexible FPC downward on the support plate 8101; the limiting components are arranged on both sides of the adsorption component, and are used to guide and limit the flexible FPC placed on the support plate 8101; the clamping component includes at least two groups, and at least two clamping components are arranged on both sides of the adsorption component at intervals in a straight line direction, and are used to clamp and fix the flexible FPC.
[0021] The adsorption component includes a vacuum suction nozzle 8103; the vacuum suction nozzle 8103 includes at least two, and at least two vacuum suction nozzles 8103 are arranged on the support plate 8101 along a straight line direction to fix the flexible FPC through vacuum negative pressure adsorption.
[0022] The limiting component includes a guide block 8109 , which includes at least two guide blocks 8109 . The at least two guide blocks 8109 are arranged on both sides of the vacuum nozzle 8103 and protrude above the support plate 8101 , so as to guide and limit the flexible FPC from both sides of the vacuum nozzle 8103 .
[0023] The clamping component includes a cylinder 8104, a push rod 8105, a support 8106, a transmission gear 8107 and a pressure plate 8108, wherein the cylinder 8104 is arranged at the lower part of the support plate 8101, and the output end is arranged upward; the support 8106 is arranged at the upper part of the cylinder 8104, and an installation space is provided on the side of the support 8106 close to the support plate 8101.
[0024] The push rod 8105 is connected to the output end of the cylinder 8104 and extends upward through the support 8106. The push rod 8105 is driven by the cylinder 8104 to move up and down in the vertical direction. At least two racks are provided at intervals in the vertical direction on the side of the push rod 8105 close to the support plate; the transmission gear 8107 is rotatably arranged in the installation space of the support 8106 and is meshed with the rack on the push rod 8105. When the push rod 8105 moves up and down, the transmission gear 8107 is driven to rotate.
[0025] One end of the pressure plate 8108 is fixed on the side wall of the transmission gear 8107, and the other end extends to the top of the support plate 8101. The pressure plate 8108 rotates with the transmission gear 8107 to tighten or loosen the flexible FPC0 on the support plate 8101.
[0026] The utility model designs a flexible FPC bending head for carrying, adsorbing, and pressing the bending part during the bending process of the flexible FPC, and driving the bending part to rotate, so as to realize automatic bending of the bending part, effectively ensuring the position stability during the bending process and improving the bending accuracy. The utility model is applied to the field of automatic bending of flexible FPC, and provides a device for performing bending during the bending process of the flexible FPC, which belongs to the bending execution device of the bending machine, and is used to fix the bending part of the flexible FPC during the bending process and then drive the bending part to rotate to achieve the effect of bending the bending part. During the bending process, the utility model approaches the bending part of the flexible FPC from below, fixes the bending part, and then drives the bending part to rotate to complete the automatic bending of the bending part. Specifically, the utility model uses a support plate of a horizontal plate-like structure as a bearing structure, and one side of the support plate is provided with a connecting portion extending outwardly for connecting to a bending power mechanism of a bending machine, and the connecting portion is recessed downward and has a plurality of mounting screw holes for connecting and fixing with the bending power mechanism; the special feature is that at least two vacuum suction nozzles are provided in a straight line direction on the support plate of the utility model, and at least two guide blocks are provided on both sides of the vacuum suction nozzle. When the support plate approaches the bending portion of the flexible FPC from below, the space formed by the guide blocks on both sides of the vacuum suction nozzle is used to guide and limit the bending portion that fits the vacuum suction nozzle, so as to achieve precise fitting of the vacuum suction nozzle and the bending portion. After the bending portion fits the vacuum suction nozzle in the guide space, the vacuum suction nozzle fixes the bending portion by vacuum negative pressure absorption, thereby achieving the fixing of the bending portion. fixed on the support plate; since the bending part is a long strip structure, in order to avoid the position displacement of the bending part relative to the support plate due to the disappearance of the adsorption force at the vacuum suction nozzle or the instability of the adsorption during the bending process, the utility model also has at least two groups of clamping components on both sides of the vacuum suction nozzle. The clamping component provides driving force with a cylinder arranged at the lower side of the support plate. The power output by the cylinder in the vertical direction drives the push rod to move up and down. The power in the vertical direction is converted into the rotational power of the transmission gear through the rack arranged on the side wall of the push rod and the transmission gear meshing with it. The transmission gear drives the pressure plate connected to it and extending to the top of the support plate to rotate, so that the pressure plate rotates from the outside and presses and fixes the bending part, further ensuring the relative position stability of the bending part and improving the bending position accuracy.
[0027] 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 head, characterized in that: It includes a support plate (8101), a connecting part (8102), an adsorption component, a limiting component and a pressing component, wherein: The support plate (8101) is a horizontal plate-shaped structure; The connecting portion (8102) is arranged on one side of the support plate (8101) and is used to connect to a rotating mechanism fixed to the outside, and the rotating mechanism drives the support plate (8101) to rotate so as to bend the flexible FPC placed on the support plate (8101); The adsorption component is arranged on the support plate (8101) and is used to adsorb and fix the flexible FPC downward onto the support plate (8101); The limiting components are arranged on both sides of the adsorption component and are used to guide and limit the flexible FPC placed on the support plate (8101); The pressing components include at least two groups, and at least two pressing components are arranged at intervals on both sides of the adsorption component along a straight line direction, so as to press and fix the flexible FPC.
2. The flexible FPC bending head according to claim 1, characterized in that: The adsorption component comprises a vacuum suction nozzle (8103); the vacuum suction nozzle (8103) comprises at least two, and the at least two vacuum suction nozzles (8103) are arranged on the support plate (8101) along a straight line direction, and the flexible FPC is fixed by vacuum negative pressure adsorption.
3. A flexible FPC bending head according to claim 2, characterized in that: The limiting component includes a guide block (8109), and the guide block (8109) includes at least two blocks. The at least two guide blocks (8109) are arranged on both sides of the vacuum suction nozzle (8103) and protrude above the support plate (8101), and are used to guide the limiting flexible FPC from both sides of the vacuum suction nozzle (8103).
4. The flexible FPC bending head according to claim 1, characterized in that: The clamping component comprises a cylinder (8104), a push rod (8105), a support (8106), a transmission gear (8107) and a pressure plate (8108), wherein the cylinder (8104) is arranged at the lower part of the support plate (8101) with the output end arranged upward; the support (8106) is arranged at the upper part of the cylinder (8104), and an installation space is provided on a side of the support (8106) close to the support plate (8101).
5. The flexible FPC bending head according to claim 4, characterized in that: The push rod (8105) is connected to the output end of the cylinder (8104) and extends upward through the support (8106). The push rod (8105) is driven by the cylinder (8104) to move up and down in the vertical direction. At least two racks are provided at intervals in the vertical direction on the side of the push rod (8105) close to the support plate. The transmission gear (8107) is rotatably arranged in the installation space of the support (8106) and meshed with the rack on the push rod (8105). When the push rod (8105) moves up and down, it drives the transmission gear (8107) to rotate.
6. The flexible FPC bending head according to claim 5, characterized in that: One end of the pressure plate (8108) is fixed on the side wall of the transmission gear (8107), and the other end extends above the support plate (8101). The pressure plate (8108) rotates with the transmission gear (8107) to tighten or loosen the flexible FPC on the support plate (8101).