Automatic bending device and production line

Abstract

The utility model relates to an automatic bending device and a production line. The automatic bending device comprises a turnover conveying line used for conveying a tray, the tray is used for containing a machined part, the machined part comprises a solid part and a flexible circuit board connected with the solid part, the solid part and the flexible circuit board are both flatly placed on the tray, a turnover jacking mechanism is arranged on the turnover conveying line, and the turnover jacking mechanism is used for jacking the machined part. A jacking block is arranged on the turnover jacking mechanism, a jacking limiting mechanism is arranged above the turnover jacking mechanism, and a turnover manipulator is arranged above the jacking limiting mechanism. A turnover rod driving mechanism is arranged on the turnover jacking mechanism, and a turnover rod is arranged at the output end of the turnover rod driving mechanism. According to the automatic bending device provided by the utility model, when the flexible circuit board is bent by 180 degrees, the turnover manipulator can stir the flexible circuit board to be turned over along the outer contour of the turnover rod, so that the bending part of the flexible circuit board is prevented from being broken due to an overlarge turnover angle.

Description

Technical Field

[0001] The utility model relates to the field of automation equipment, in particular to an automatic bending device and a production line. Background Art

[0002] In existing digital products, a flexible circuit board is usually connected to a control chip. In order to facilitate the assembly of digital products, the flexible circuit board usually needs to be bent. Therefore, in the existing digital product automated production line, there are many flexible circuit board automatic bending devices.

[0003] For example, Chinese invention patent application CN111683462B discloses a flexible circuit board bending and shaping device, which can convey the flexible circuit board between a bending upper die and a bending lower die; then the bending upper die and the bending lower die clamp the flexible circuit board, and the first lower die head rises and forces the bending area of ​​the flexible circuit board to bend upward 90 degrees; then the upper die head moves up to a position where it does not interfere with the first lower die head, and the first lower die head translates toward one side of the second lower die head, so that the bending area of ​​the flexible circuit board tilts toward one side of the second lower die head; then the second lower die head descends, and the lateral protrusion presses the bending area of ​​the flexible circuit board downward, so that the bending area of ​​the flexible circuit board is bent 180 degrees.

[0004] However, although the bending and shaping equipment of CN111683462B can bend the flexible circuit board 180 degrees, there is a risk of the flexible circuit board being broken due to the excessive bending angle at the bending point. Utility Model Content

[0005] In view of the problems existing in the above-mentioned prior art, the purpose of the present invention is to provide an automatic bending device and a production line, which can reduce the risk of breaking the flexible circuit board while folding it 180 degrees.

[0006] The purpose of the utility model is achieved through the following technical solutions:

[0007] An automatic bending device comprises a folding conveyor line for conveying a tray, the tray is used to accommodate a workpiece, the workpiece comprises a solid part and a flexible circuit board connected to the solid part, the solid part and the flexible circuit board are both placed flat on the tray, a folding lifting mechanism is provided on the folding conveyor line, and the rise or fall of the folding lifting mechanism can make the tray leave or return to the folding conveyor line; a lifting block is provided on the folding lifting mechanism, a folding hole for the lifting block to pass through is provided on the tray, and the folding hole is located below the flexible circuit board; a lifting limiting mechanism is provided above the folding lifting mechanism, and a folding robot; a folding rod driving mechanism is provided on the folding and lifting mechanism, and a folding rod is provided at the output end of the folding rod driving mechanism, and the folding rod driving mechanism can drive the folding rod to approach or move away from the flexible circuit board; when the workpiece rises with the folding and lifting mechanism and is clamped by the lifting limiting mechanism and the folding and lifting mechanism, the folding rod approaches the flexible circuit board, and the lifting block passes through the folding hole to fold the flexible circuit board, and the folding robot can move the flexible circuit board folded by the lifting block to fold along the outer contour of the folding rod, and the folding robot can also move the flexible circuit board folded by the lifting block to fold toward one side of the solid part.

[0008] Furthermore, a folding rod connecting plate is connected between the folding rod driving mechanism and the folding rod, the folding rod is arranged on the folding rod connecting plate, the folding rod connecting plate is slidably connected to the folding lifting mechanism, the output shaft of the folding rod driving mechanism is arranged along the height direction, the sliding direction of the folding rod connecting plate is the horizontal direction, and a driving connecting plate is connected between the output shaft of the folding rod driving mechanism and the folding rod connecting plate, and the output shaft of the folding rod driving mechanism and the folding rod connecting plate are respectively rotatably connected to the two ends of the driving connecting plate.

[0009] Furthermore, the contact surface of the folding rod and the flexible circuit board is a curved surface.

[0010] Furthermore, the lifting limiting mechanism includes a limiting mechanism connecting frame and a workpiece limiting plate connected to the limiting mechanism connecting frame, and the workpiece limiting plate is used to limit the height of the workpiece.

[0011] Furthermore, the lifting limiting mechanism includes a pallet limiting plate, the pallet limiting plate is connected to the limiting mechanism connecting frame, and the pallet limiting plate is used to limit the height of the pallet.

[0012] Furthermore, a pressure head is provided on the workpiece limiting plate, and the pressure head can be pressed on the workpiece, and a spring is connected between the workpiece limiting plate and the pressure head.

[0013] Furthermore, a lifting and lowering blocking mechanism is provided on the folding conveyor line, and the blocking mechanism can prevent the tray from moving toward the exit direction of the folding conveyor line.

[0014] A production line comprises any one of the automatic bending devices described above, wherein the entrance of the folding conveyor line is connected to a film-tearing conveyor line for conveying the pallet, the film-tearing conveyor line is provided with the folding and lifting mechanism, the lifting limiting mechanism is provided above the folding and lifting mechanism, and a film-tearing robot is provided above the lifting limiting mechanism; a film is attached to the solid part, one end of the film extends to the outside of the solid part, and the film-tearing robot is used to tear off the film.

[0015] Furthermore, a pressure-maintaining conveyor line for conveying the tray is connected to the outlet of the folding conveyor line, and a pressure-maintaining robot is provided above the pressure-maintaining conveyor line, and the pressure-maintaining robot is used to maintain the pressure of the folded flexible circuit board.

[0016] Furthermore, a photographing mechanism is provided at the outlet of the pressure-maintaining conveyor line, and the photographing mechanism is used to photograph the workpiece on the pallet.

[0017] Compared with the prior art, the utility model has the beneficial effect that: the utility model provides a movable folding rod, so that during the folding process of the flexible circuit board, the folding robot can move the flexible circuit board folded by the lifting block to fold along the outer contour of the folding rod, and move the flexible circuit board folded by the lifting block to fold toward the side of the solid part. During the 180-degree folding of the flexible circuit board, the folding angle is blocked by the folding rod to form an arc surface, which effectively reduces the angle of the folding angle and reduces the risk of the flexible circuit board being broken due to excessive folding angle. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of the automatic bending device of the utility model;

[0019] Figure 2 yes Figure 1 The enlarged schematic diagram of the middle A part;

[0020] Figure 3 yes Figure 1 The enlarged schematic diagram of the middle part B;

[0021] Figure 4 yes Figure 1 The enlarged schematic diagram of the middle C part;

[0022] Figure 5 It is a three-dimensional schematic diagram of the folding and lifting mechanism of the utility model;

[0023] Figure 6 yes Figure 5 The enlarged schematic diagram of the middle D part;

[0024] Figure 7 yes Figure 1 The enlarged schematic diagram of the middle E part;

[0025] Figure 8 This is a schematic diagram of the bending steps of the automatic bending device of the utility model Figure 1 ;

[0026] Fig. 9 This is a schematic diagram of the bending steps of the automatic bending device of the utility model Figure 2 ;

[0027] Fig.10 This is a schematic diagram of the bending steps of the automatic bending device of the utility model Figure 3 ;

[0028] Fig.11 This is a schematic diagram of the bending steps of the automatic bending device of the utility model Figure 4 ;

[0029] Fig.12 This is a schematic diagram of the bending steps of the automatic bending device of the utility model Figure 5 ;

[0030] Fig.13 It is a first stereoscopic schematic diagram of the production line of the utility model;

[0031] Fig.14 yes Fig.13 The enlarged schematic diagram of the middle F part;

[0032] Fig.15 It is a second stereoscopic schematic diagram of the production line of the utility model.

[0033] In the figure:

[0034] 1-workpiece; 1a-solid part; 1b-flexible circuit board; 1c-rounded corner; 1d-film; 2-tray; 3-conveyor rack; 4-conveyor belt; 5-folding and lifting mechanism; 5a-lifting cylinder; 5b-lifting platform; 6-lifting block; 7-lifting limiting mechanism; 7a-limiting mechanism connecting frame; 7b-workpiece limiting plate; 7c-tray limiting plate; 7d-pressing head; 8-folding rod; 9-folding manipulator; 10-folding rod connecting plate; 11-folding rod driving cylinder; 12-driving connecting plate; 13-blocking mechanism; 14-film tearing manipulator; 15-pressure holding manipulator. DETAILED DESCRIPTION

[0035] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are 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.

[0036] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0037] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "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 it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In addition, the technical features involved in the different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0038] like Figures 1 to 7 As shown, the utility model discloses an automatic bending device, which is mainly used to bend a workpiece 1. Specifically, Figure 2 and Figure 3 As shown, the workpiece 1 includes a solid part 1a and a flexible circuit board 1b connected to the solid part 1a, and the workpiece 1 is placed on a tray 2. Figure 4 As shown, the automatic bending device of the utility model includes a folding conveyor line for conveying a pallet 2, the folding conveyor line includes a conveyor frame 3 and two conveyor belts 4, each of the conveyor belts 4 is arranged on the frame 3 and each of the conveyor belts 4 is arranged opposite to each other, and the two ends of the pallet 2 are respectively arranged on the two oppositely arranged conveyor belts 4, and the movement of the conveyor belts 4 drives the pallet 2 to move on the folding conveyor line. Figure 2 As shown, when the tray 2 carrying the workpiece 1 is located at the entrance of the conveyor belt 4, the solid portion 1a and the flexible circuit board 1b are both placed flat on the tray 2. Figure 3As shown, when the tray 2 carrying the workpiece 1 is located at the exit position of the conveyor belt 4, the flexible circuit board 1b is bent by the automatic bending device of the utility model, and the flexible circuit board 1b is folded 180 degrees toward the solid part 1a, and the bending part of the flexible circuit board 1b has a rounded corner 1c.

[0039] In order to realize the folding of the flexible circuit board 1b, specifically, the folding conveyor line is provided with a folding lifting mechanism 5, the rise or fall of the folding lifting mechanism 5 can make the tray 2 leave or return to the conveyor belt 4, and the folding lifting mechanism 5 is arranged between the two conveyor belts 4. Figures 5 to 7 As shown, the folding and lifting mechanism 5 includes a lifting cylinder 5a and a lifting platform 5b. The lifting cylinder 5a is arranged on the frame 3. The lifting platform 5b is lifted or lowered by the lifting cylinder 5a. When the lifting platform 5b is lifted, the lifting platform 5b contacts the tray 2. A lifting block 6 is provided on the folding and lifting mechanism 5. Specifically, the lifting block 6 is arranged on the lifting platform 5b. Therefore, the lifting block 6 can be lifted or lowered by the lifting cylinder 5a. A folding hole for the lifting block 6 to pass through is provided on the tray 2. The folding hole is located below the flexible circuit board 1b. Therefore, when the lifting block 6 rises, Figure 7 As shown, the flexible circuit board 1b can be lifted up through the folding hole. Figure 7 As shown, a lifting limiting mechanism 7 is provided above the folding and lifting mechanism 5, and the lifting limiting mechanism 7 includes a limiting mechanism connecting frame 7a and a workpiece limiting plate 7b connected to the limiting mechanism connecting frame 7a, and the workpiece limiting plate 7b is used to limit the height of the workpiece 1. Specifically, the limiting mechanism connecting frame 7a is connected to the conveyor frame 3, the limiting mechanism connecting frame 7a is arranged above the conveyor frame 3, and the workpiece limiting plate 7b is arranged above the limiting mechanism connecting frame 7a. When the pallet 2 moves to the bottom of the workpiece limiting plate 7b along with the conveyor belt 4, the conveyor belt 4 stops working, the folding and lifting mechanism 5 lifts the pallet 2, the pallet 2 leaves the conveyor belt 4, the workpiece limiting plate 7b limits the rise of the workpiece 1 located on the pallet 2, and the solid portion 1a is clamped by the folding and lifting mechanism 5 and the lifting limiting mechanism 7. At the same time, the lifting block 6 passes through the folding hole to fold the horizontally placed flexible circuit board 1 b upward by 90°, so that the flexible circuit board 1 b is perpendicular to the ground.

[0040] like Figure 7As shown, the folding and lifting mechanism 5 is provided with a folding rod driving mechanism, and the output end of the folding rod driving mechanism is provided with a folding rod 8, and the folding rod driving mechanism can drive the folding rod 8 to approach or move away from the flexible circuit board 1b. When the entity part 1a is not clamped by the folding and lifting mechanism 5 and the lifting limiting mechanism 7, the folding rod 8 is away from the flexible circuit board 1b. When the entity part 1a rises with the folding and lifting mechanism 5 and is clamped by the lifting limiting mechanism 7 and the folding and lifting mechanism 5, the folding rod driving mechanism drives the folding rod 8 to approach the flexible circuit board 1b, and at this time, the folding rod 8 is close to the flexible circuit board 1b, and the folding rod 8 is located on the side of the flexible circuit board 1b facing the entity part 1a.

[0041] like Figure 1 and Figure 7 As shown, a folding robot 9 is provided above the lifting limiting mechanism 7, and the folding robot 9 adopts an XYZ three-axis robot. When the folding rod 8 is close to the flexible circuit board 1b, the folding robot 9 moves, and the folding robot 9 folds the flexible circuit board 1b folded 90 degrees by the lifting block 6. Specifically, the folding robot 9 folds the flexible circuit board 1b folded 90 degrees by the lifting block 6 along the outer contour of the folding rod 8, and then the folding robot 9 folds the flexible circuit board 1b folded by the lifting block 6 toward the side of the entity part 1a. After the flexible circuit board 1b is folded, the folding rod driving mechanism drives the folding rod 8 away from the flexible circuit board 1b. At this point, the flexible circuit board 1b has completed the process of folding 180 degrees, the folding lifting mechanism 5 carries the tray 2 down, the tray 2 returns to the conveyor belt 4, the conveyor belt 4 starts running again, and the conveyor belt 4 moves the tray 2 toward the exit of the folding conveyor line. Figure 3 As shown, after the flexible circuit board 1b is folded, the flexible circuit board 1b originally placed horizontally on the tray 2 is folded 180 degrees onto the entity part 1a, and due to the obstruction of the folding rod 8, the folding part of the flexible circuit board 1b is provided with a rounded corner 1c. The utility model provides a movable folding rod 8, so that during the folding process of the flexible circuit board 1b, the folding robot 9 can move the flexible circuit board 1b folded by the lifting block 6 to fold along the outer contour of the folding rod 8, and then the folding robot 9 can move the flexible circuit board 1b folded by the lifting block 6 to fold toward the side of the entity part 1a. During the 180-degree folding of the flexible circuit board 1b, the folding corner is blocked by the folding rod 8 to form an arc surface, which effectively reduces the angle of the folding angle and reduces the risk of the flexible circuit board 1b being broken due to excessive folding angle.

[0042] In this embodiment, if Figure 6As shown, a folding rod connecting plate 10 is connected between the folding rod driving mechanism and the folding rod 8, the folding rod 8 is arranged on the folding rod connecting plate 10, and the folding rod connecting plate 10 is slidably connected to the lifting platform 5b. The output shaft of the folding rod driving mechanism is arranged along the height direction. In this embodiment, the folding rod driving mechanism is a folding rod driving cylinder 11, and the sliding direction of the folding rod connecting plate 10 is the horizontal direction. A driving connecting plate 12 is connected between the output shaft of the folding rod driving cylinder 11 and the folding rod connecting plate 10, and the output shaft of the folding rod driving cylinder 11 and the folding rod connecting plate 10 are rotatably connected to the two ends of the driving connecting plate 12 respectively. When the folding rod driving cylinder 11 needs to drive the folding rod 8 to approach the flexible circuit board 1b, the output shaft of the folding rod driving cylinder 11 descends, driving the folding rod connecting plate 10 to move toward the folding rod driving cylinder 11, and then driving the folding rod 8 to move toward the folding rod driving cylinder 11. In this embodiment, the tray 2 can accommodate six workpieces 1 at a time, and the six workpieces 1 are arranged in two rows. Therefore, in this embodiment, two folding rod connecting plates 10 are provided, and each folding rod connecting plate 10 is arranged oppositely, and the folding rods 8 on each folding rod connecting plate 10 are also arranged oppositely. When the output shaft of the folding rod driving cylinder 11 descends, each folding rod connecting plate 10 approaches each other. In other embodiments, the folding rod driving cylinder 11 can also be directly connected to the folding rod 8.

[0043] like Figure 6 As shown, in this embodiment, the contact surface between the folding rod 8 and the flexible circuit board 1b is an arc surface. Therefore, when the folding robot 9 is folding the flexible circuit board 1b, the arc surface on the folding rod 8 is arranged to help form the rounded corner 1c.

[0044] like Figure 7 As shown, in this embodiment, the lifting limiting mechanism 7 includes a tray limiting plate 7c, which is connected to the limiting mechanism connecting frame 7a, and the tray limiting plate 7c is used to limit the height of the tray 2. When the tray 2 rises with the folding lifting mechanism 5, the tray 2 rises until the upper surface of the tray 2 contacts the tray limiting plate 7c, and the tray limiting plate 7c and the folding lifting mechanism 5 clamp the tray 2. The utility model clamps the tray 2 by setting the tray limiting plate 7c, which can effectively reduce the clamping force of the solid part 1a clamped by the folding lifting mechanism 5 and the workpiece limiting plate 7c, and reduce the risk of the solid part 1a being clamped and damaged.

[0045] like Figure 7As shown, in this embodiment, a pressure head 7d is provided on the workpiece limiting plate 7b, and the pressure head 7d can be pressed on the workpiece 1. Specifically, when the entity portion 1a is clamped by the folding and lifting mechanism 5 and the workpiece limiting plate 7b, the pressure head 7d presses on the entity portion 1a. A spring is connected between the workpiece limiting plate 7b and the pressure head 7d. The utility model further reduces the clamping force of the entity portion 1a clamped by the folding and lifting mechanism 5 and the workpiece limiting plate 7b by connecting a spring between the workpiece limiting plate 7b and the pressure head 7d, thereby reducing the risk of the entity portion 1a being damaged by clamping.

[0046] like Figure 4 and Figure 5 As shown, in this embodiment, a lifting and lowering blocking mechanism 13 is provided on the folding conveyor line, and the blocking mechanism 13 can prevent the tray 2 from moving toward the exit direction of the folding conveyor line. Specifically, when the tray 2 is about to move with the conveyor belt 4 to the bottom of the workpiece limiting plate 7b, the blocking mechanism 13 rises, and the tray 2 is blocked by the blocking mechanism 13 when moving toward the exit direction of the folding conveyor line, so that the tray 2 is located below the workpiece limiting plate 7b. When the flexible circuit board 1b is folded and the tray 2 returns to the conveyor belt 4, the blocking mechanism 13 descends, and the tray 2 can move with the conveyor belt 4 toward the exit direction of the folding conveyor line. The utility model avoids the risk that the folding lifting mechanism 5 cannot lift the tray 2 due to excessive movement of the tray 2 and the tray 2 not stopping under the workpiece limiting plate 7b by setting the blocking mechanism 13.

[0047] In this embodiment, the bending steps of the automatic bending device of the utility model are as follows: Figures 8 to 12 As shown, the detailed steps include step S1 to step S5, which are as follows:

[0048] Step S1, such as Figure 8 As shown, at this time, the tray 2 has not been lifted by the folding and lifting mechanism 5 , the solid portion 1 a and the flexible circuit board 1 b are both placed horizontally on the tray 2 , and the tray 2 is located on the conveyor belt 4 .

[0049] Step S2, such as Fig. 9 As shown, when the solid part 1 is located below the workpiece limiting plate 7b, the lifting cylinder 5a drives the lifting platform 5b to lift, the tray 2 leaves the conveyor belt 4, the lifting block 6 passes through the folding hole, the solid part 1a is clamped by the pressing block 7d and the lifting platform 5b, and the flexible circuit board 1b is folded upward 90 degrees under the action of the lifting block 6.

[0050] Step S3, such as Fig.10As shown, the folding rod driving cylinder 11 drives the folding rod 8 to approach the flexible circuit board 1b.

[0051] Step S4, such as Fig.11 As shown, the folding robot 9 moves toward the flexible circuit board 1b, and the folding robot 9 pushes the flexible circuit board 1b to fold along the outer surface contour of the folding rod 8. After the folding robot 9 pushes the flexible circuit board 1b to complete the folding around the outer surface contour of the folding rod 8, the folding robot 9 continues to push the flexible circuit board 1b to make the flexible circuit board 1b complete 180-degree folding.

[0052] Step S5, such as Fig.12 As shown, the folding rod driving cylinder 11 drives the folding rod 8 away from the flexible circuit board 1b, and then the lifting cylinder 5a descends to drive the tray 2 back onto the conveyor belt 4.

[0053] The utility model also discloses a production line for realizing film tearing, folding and pressure maintaining of the workpiece 1. The production line comprises the automatic bending device in the embodiment described above, and also comprises a film tearing conveying line and a pressure maintaining conveying line.

[0054] like Fig.13 and Fig.14 As shown, the entrance of the folding conveyor line is connected to the film-tearing conveyor line for conveying the pallet 2, and the film-tearing conveyor line is also provided with the folding lifting mechanism 5, and the lifting limit mechanism 7 is also provided above the folding lifting mechanism 5, and the film-tearing robot 14 is provided above the lifting limit mechanism 7, and the film-tearing robot 14 is also an XYZ three-axis robot. Figure 2 As shown, a film 1d is attached to the entity part 1a, and one end of the film 1d extends to the outside of the entity part 1a. In this embodiment, when the workpiece 1 is placed on the tray 2, the film 1d is attached to the outer surface of the entity part 1a away from the tray 2. The folding and lifting mechanism 5 located on the film-tearing conveyor line can lift the tray 2 located on the film-tearing conveyor line, so that the tray 2 leaves or returns to the film-tearing conveyor line. When the tray 2 is located below the lifting restriction mechanism 7 on the film-tearing conveyor line, the folding and lifting mechanism 5 located on the film-tearing conveyor line lifts the tray 2, and the folding and lifting mechanism 5 and the lifting restriction mechanism 7 located on the film-tearing conveyor line clamp the workpiece 1, and then the film-tearing manipulator 14 tears off the film 1d. After the film-tearing is completed, the folding and lifting mechanism 5 located on the film-tearing conveyor line descends, and the tray 2 returns to the film-tearing conveyor line. Subsequently, the tray 2 is transported from the film-tearing conveyor line to the folding conveyor line.

[0055] like Fig.15 As shown, the outlet of the folding conveyor line is connected to the pressure-maintaining conveyor line for conveying the pallet 2. A pressure-maintaining robot 15 is provided above the pressure-maintaining conveyor line. The pressure-maintaining robot 15 is used to maintain the pressure of the folded flexible circuit board 1b. The pressure-maintaining robot 15 is also an XYZ-axis three-axis robot. After the flexible circuit board 1b is folded, the pallet 2 carries the workpiece 1 from the folding conveyor line to the pressure-maintaining conveyor line. When the pallet 2 moves below the pressure-maintaining robot 15, the pallet 2 stops on the pressure-maintaining conveyor line, and the pressure-maintaining head of the pressure-maintaining robot 15 presses on the flexible circuit board 1b to maintain the pressure of the workpiece 1. After the pressure-maintaining of the workpiece 1 is completed, the pallet 2 moves toward the outlet of the pressure-maintaining conveyor line.

[0056] In this embodiment, a photographing mechanism is provided at the outlet of the pressure-maintaining conveyor line, and the photographing mechanism is used to photograph the workpiece 1 on the tray 2. The utility model can check whether the workpiece 1 is folded in place by setting the photographing mechanism.

[0057] In summary, the utility model sets a movable folding rod 8, so that during the folding process of the flexible circuit board 1b, the folding manipulator 9 moves the flexible circuit board 1b folded by the lifting block 6 to fold along the outer contour of the folding rod 8, and then the folding manipulator 9 moves the flexible circuit board 1b folded by the lifting block 6 to fold toward the side of the entity part 1a. In the process of 180-degree folding of the flexible circuit board 1b, the folding angle is blocked by the folding rod 8 to form an arc surface, which effectively reduces the angle of the folding angle and reduces the risk of the flexible circuit board 1b being broken due to excessive folding angle. The setting of the arc surface on the folding rod 8 helps to form the rounded corner 1c. The setting of the tray limiting plate 7c realizes the clamping of the tray 2, which can effectively reduce the clamping force of the entity part 1a clamped by the folding lifting mechanism 5 and the workpiece limiting plate 7b, and reduce the risk of the entity part 1a being clamped. And by connecting a spring between the workpiece limiting plate 7b and the pressure head 7d, the clamping force of the solid part 1a by the folding and lifting mechanism 5 and the workpiece limiting plate 7b is further reduced, thereby reducing the risk of the solid part 1a being damaged by the clamping. And by setting the blocking mechanism 13, the risk of the folding and lifting mechanism 5 failing to lift the tray 2 due to excessive movement of the tray 2 and the tray 2 not stopping under the workpiece limiting plate 7b is avoided. The utility model also discloses a production line for realizing film tearing, folding and pressure holding of workpieces. And by setting the camera mechanism, it can be checked whether the workpiece 1 is folded in place.

[0058] It should be emphasized that the above are only preferred embodiments of the present invention and do not constitute any form of limitation to the present invention. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. An automatic bending device, comprising a folding conveyor line for conveying a tray (2), wherein the tray (2) is used to accommodate a workpiece (1), characterized in that: The workpiece (1) comprises a solid part (1a) and a flexible circuit board (1b) connected to the solid part (1a), the solid part (1a) and the flexible circuit board (1b) are both placed flat on the tray (2), the folding conveyor line is provided with a folding lifting mechanism (5), the rise or fall of the folding lifting mechanism (5) can make the tray (2) leave or return to the folding conveyor line; the folding lifting mechanism (5) is provided with a lifting block (6), the tray (2) is provided with a folding hole for the lifting block (6) to pass through, and the folding hole is located below the flexible circuit board (1b); a lifting limiting mechanism (7) is provided above the folding lifting mechanism (5), and a folding robot (9) is provided above the lifting limiting mechanism (7); the folding lifting mechanism (5) is provided with a folding A rod driving mechanism, wherein a folding rod (8) is provided at the output end of the folding rod driving mechanism, and the folding rod driving mechanism can drive the folding rod (8) to approach or move away from the flexible circuit board (1b); when the workpiece (1) rises with the folding and lifting mechanism (5) and is clamped by the lifting limiting mechanism (7) and the folding and lifting mechanism (5), the folding rod (8) approaches the flexible circuit board (1b), and the lifting block (6) passes through the folding hole to fold the flexible circuit board (1b), and the folding robot (9) can move the flexible circuit board (1b) folded by the lifting block (6) to fold along the outer contour of the folding rod (8), and the folding robot (9) can also move the flexible circuit board (1b) folded by the lifting block (6) to fold toward one side of the solid part (1a).

2. The automatic bending device according to claim 1, characterized in that: A folding rod connecting plate (10) is connected between the folding rod driving mechanism and the folding rod (8), the folding rod (8) is arranged on the folding rod connecting plate (10), the folding rod connecting plate (10) is slidably connected to the folding lifting mechanism (5), the output shaft of the folding rod driving mechanism is arranged along the height direction, the sliding direction of the folding rod connecting plate (10) is the horizontal direction, a driving connecting plate (12) is connected between the output shaft of the folding rod driving mechanism and the folding rod connecting plate (10), and the output shaft of the folding rod driving mechanism and the folding rod connecting plate (10) are respectively rotatably connected to the two ends of the driving connecting plate (12).

3. The automatic bending device according to claim 2, characterized in that: The contact surface between the folding rod (8) and the flexible circuit board (1b) on the folding rod (8) is a curved surface.

4. The automatic bending device according to claim 1, characterized in that: The lifting limiting mechanism (7) comprises a limiting mechanism connecting frame (7a) and a workpiece limiting plate (7b) connected to the limiting mechanism connecting frame (7a), wherein the workpiece limiting plate (7b) is used to limit the height of the workpiece (1).

5. The automatic bending device according to claim 4, characterized in that: The lifting limiting mechanism (7) comprises a pallet limiting plate (7c), the pallet limiting plate (7c) is connected to the limiting mechanism connecting frame (7a), and the pallet limiting plate (7c) is used to limit the height of the pallet (2).

6. The automatic bending device according to claim 4, characterized in that: The workpiece limiting plate (7b) is provided with a pressing head (7d), and the pressing head (7d) can press on the workpiece (1). A spring is connected between the workpiece limiting plate (7b) and the pressing head (7d).

7. The automatic bending device according to claim 1, characterized in that: The folding conveyor line is provided with a lifting and lowering blocking mechanism (13), and the blocking mechanism (13) can prevent the tray (2) from moving towards the exit direction of the folding conveyor line.

8. A production line, characterized in that: It comprises the automatic bending device as described in any one of claims 1 to 7, wherein the entrance of the folding conveyor line is connected to a film-tearing conveyor line for conveying the pallet (2), the folding and lifting mechanism (5) is provided on the film-tearing conveyor line, the lifting restriction mechanism (7) is provided above the folding and lifting mechanism (5), and a film-tearing robot (14) is provided above the lifting restriction mechanism (7); a film (1d) is attached to the entity part (1a), one end of the film (1d) extends to the outside of the entity part (1a), and the film-tearing robot (14) is used to tear off the film (1d).

9. The production line according to claim 8, characterized in that: The outlet of the folding conveyor line is connected to a pressure-maintaining conveyor line for conveying the tray (2), and a pressure-maintaining robot (15) is provided above the pressure-maintaining conveyor line. The pressure-maintaining robot (15) is used to maintain the pressure of the folded flexible circuit board (1b).

10. The production line according to claim 9, characterized in that: A photographing mechanism is provided at the outlet of the pressure-maintaining conveyor line, and the photographing mechanism is used to photograph the workpiece (1) on the tray (2).

Images