A PC board bending process and equipment capable of inner angle bending

Abstract

The present invention relates to the technical field of PC board bending, and more specifically, to a PC board bending process and equipment capable of performing inner corner bending. The equipment comprises a bending module, a displacement drive module, and an auxiliary pressing module. The displacement drive module is used to drive the portion of the PC board to be bent into the active position of the bending module and provide floating adjustment in the left and right directions. The bending module presses down on the portion of the PC board to be bent, and the auxiliary pressing module provides auxiliary pressing at the top of the PC board when bending. Under the action of the auxiliary pressing module, the position of the dispersed pressing portion can be adaptively adjusted according to the length of the PC board. The auxiliary pressing action includes a fixed pressing section fixed on one side and a movable pressing section in a "three-point" form that can adapt to the length adjustment of the PC board. Compared with a single heavy object pressing method, it has the advantage of being adaptively adjusted according to the length of the PC board, effectively reducing the possibility of producing defective products.

Description

Technical Field

[0001] The present invention relates to the technical field of PC board bending, and in particular to a PC board bending process and equipment capable of performing inner corner bending. Background Art

[0002] The inner corner bending process of PC boards refers to the process of forming an inward-concave acute angle or right angle at the bending line of the board during the bending process, so that the overall shape after bending presents a clear "V" or "U" shape. This process is very common in the processing of PC boards. For example, it is concentratedly used in parts with corner features such as the casing and frame of some electronic equipment. Therefore, it is very necessary to explore and improve it.

[0003] During the bending process of PC sheets, operators usually preheat and soften the parts of the sheet to be bent in order to achieve better forming results. In actual operation, when bending pressure is applied to the heated and softened parts, the stress redistribution within the material and the heat conduction effect will cause the other end of the PC sheet not under direct pressure to warp and deform. The conventional solution is to press the other end with a heavy object when bending one end. This treatment method can be effective when the PC sheet is short. Once the PC sheet is long, insufficient coverage (pressing with a heavy object) on the end away from the bend will increase the probability of obvious deformation in the middle gap, increasing the product defect rate, so corresponding improvements are needed. Summary of the Invention

[0004] The present invention provides a PC board bending process and equipment capable of performing inner corner bending, which solves the technical problem in the related art that when a PC board is too long and is bent, part of the board surface is easily deformed.

[0005] In order to achieve the above-mentioned objectives, the present invention provides a PC board bending device capable of performing inner corner bending, comprising a bending module, a displacement drive module and an auxiliary pressing module. The displacement drive module is used to drive the portion of the PC board to be bent into the active position of the bending module and provide floating adjustment in the left and right directions. The bending module presses down and bends the portion of the PC board to be bent. The auxiliary pressing module provides top auxiliary pressing of the PC board when bending. The pressing action portion includes a full-coverage pressing portion away from one end of the bend and a dispersed pressing portion. Under the action of the auxiliary pressing module, the position of the dispersed pressing portion can be adaptively adjusted according to the length of the PC board.

[0006] The displacement drive module includes a screw slide, a base, a slide rail, a loading platform and two push-out parts. The screw slide is arranged perpendicular to the bending direction of the PC board. The base is fixedly arranged on the active end of the screw slide and slides back and forth under the action of the screw slide. The base is symmetrically provided with slide rails in the left and right directions. The loading platform is slidably provided on the slide rails. The base is fixedly provided with two push-out parts, and the output end of the two push-out parts is fixedly connected to one side of the loading platform.

[0007] The auxiliary pressing module includes a bracket, a third ejection member, a base, a fixed pressure plate, a center push rod, a first pressing head, an edge push rod and a second pressing head. The base is fixedly provided with a bracket, the third ejection member is loaded on the bracket, the output end of the third ejection member is fixedly installed with a base, a fixed pressure plate is fixedly installed at the bottom of the base, a center push rod and an edge push rod are fixedly installed on the side of the base facing the bending module, the output end of the center push rod is fixedly provided with a first pressing head, and the output end of the edge push rod is fixedly provided with a second pressing head.

[0008] Furthermore, the pulling directions of the ejecting member 3, the central push rod and the edge push rod are all arranged parallel to the vertical direction, and the bottoms of the fixed pressure plate, the pressing head 1 and the pressing head 2 are arranged flush.

[0009] Furthermore, a baffle is fixedly provided at one side edge of the loading platform to provide support in the feeding direction when the PC board is bent.

[0010] In the above technical solution, a full-coverage pressing part is formed by a fixed pressing plate, which cooperates with independently adjustable pressing head 1 and pressing head 2 to form a "three-point" movable pressing part. The pressing head 1 and pressing head 2 can be independently driven to move in the horizontal plane through the center push rod and the edge push rod, so that they can be accurately positioned to key positions according to the actual length of the PC board, such as the center intersection of the placement lines and the two edge corner points close to the bending line. In addition, the fixed pressing plate provides large-area basic pressing, and the three adjustable pressing points form additional, position-variable pressure support, which together constitute a pressing surface that can be dynamically adjusted according to the length of the board.

[0011] As a further improvement of the present technical solution, the displacement drive module also includes fixed fingers, a servo, a rotating shaft, movable fingers and fingers. A fixed finger is fixedly installed on the loading platform, a servo is fixedly installed on the side wall of the fixed finger, the output end of the servo is connected to the movable finger through a rotating shaft, and fingers are fixedly installed at the ends of the fixed finger and the movable finger, and the ends of the fingers are provided with depressions that match the bending module.

[0012] As a further improvement of the present technical solution, the bending module includes a base plate, a mounting frame, a gasket, a push-out member, a bending pressure head and a through slot. The mounting frame is fixedly provided on the base plate, the gasket and the push-out member are fixedly installed on the mounting frame, the bending pressure head is fixedly installed on the output end of the push-out member, and a through slot is provided on the mounting frame.

[0013] The present invention also provides a PC board bending process capable of performing inner corner bending, comprising the following steps:

[0014] S1. Loading: Place the PC board on the loading platform, and the part of the PC board to be bent is pre-heated and softened;

[0015] S2. Draw the bending line: Draw the bending line on the edge of the PC board where it is to be bent;

[0016] S3. Draw placement lines: Form a rectangular patch with the bending line and the other side of the PC board as the boundary, and draw placement lines along the diagonal lines of the rectangular patch;

[0017] S4, placement and pressing unit: align the fixed pressing plate with the side of the rectangular surface sheet in S away from the bending line, and drive the center push rod and the edge push rod to drive the pressing head 1 to align with the center intersection of the placement lines, and the pressing head 2 to align with the two edge corners of the placement lines close to the bending line. After confirming that all are aligned, drive the ejector 3 to produce a downward pressure to press the PC board;

[0018] S5, Bending: The displacement drive module drives the PC board to be bent into the working position of the bending module, and the push piece drives the bending pressure head to press down to bend the inner corner of the PC board;

[0019] S6. Unloading: The servo drives the movable finger to rotate relative to the fixed finger to lift the PC board to facilitate unloading.

[0020] Compared with the prior art, the present invention provides a PC board bending process and equipment capable of inner corner bending, which has the following beneficial effects:

[0021] The present invention aims to address the unfavorable situation in which part of the PC board surface is easily deformed when bending when the PC board is too long. The present invention makes corresponding improvements to a segmented pressing scheme constructed based on an auxiliary pressing module. First, the fixed pressing plate is aligned with the side edge of the PC board away from the bending line. Then, according to the actual length of the PC board, the center push rod and the edge push rod are driven to drive the pressing head 1 to align with the center intersection point of the placement line, and the pressing head 2 to align with the two edge corner points of the placement line close to the bending line. After confirming that all are aligned, the push member 3 is driven to produce a downward pressure to press the PC board.

[0022] This auxiliary pressing function includes a fixed pressing section fixed on one side and a movable pressing section in a "three-point" form that can adapt to the length adjustment of the PC board. Compared with a single heavy object pressing method, it has the advantage of being able to adapt to the length of the PC board. Through the auxiliary pressing function, the PC board obtains sufficient anti-deformation pressing surface when performing inner corner bending, effectively reducing the possibility of defective products. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the overall structure of a PC board bending device capable of inner corner bending proposed by the present invention when no PC board is loaded;

[0024] Figure 2 This is a schematic diagram of the overall structure of a PC board bending device capable of inner corner bending proposed by the present invention after loading a PC board;

[0025] Figure 3 This is a schematic diagram of the exploded structure of a PC board bending device capable of performing inner corner bending proposed by the present invention;

[0026] Figure 4 This is a schematic diagram of the three-dimensional structure of a bending module in a PC board bending device capable of inner corner bending proposed by the present invention;

[0027] Figure 5 This is a schematic diagram of the three-dimensional structure of a displacement drive module in a PC board bending device capable of inner corner bending proposed by the present invention;

[0028] Figure 6 This is a further expanded structural diagram of a displacement drive module in a PC board bending device capable of inner corner bending proposed by the present invention;

[0029] Figure 7 This is a schematic diagram of the three-dimensional structure of an auxiliary pressing module in a PC board bending device capable of inner corner bending proposed by the present invention;

[0030] Figure 8 This is a schematic diagram of the arrangement of placement lines and bending lines in a PC board bending process capable of inner corner bending proposed by the present invention.

[0031] In the figure: 10, bending module; 101, bottom plate; 102, mounting frame; 103, gasket; 104, ejector part 1; 105, bending pressure head; 106, through slot; 20, displacement drive module; 201, screw slide; 202, base; 203, slide rail; 204, loading platform; 2040, baffle; 2041, fixed finger; 2042, servo; 2043, rotating shaft; 2044, movable finger; 2045, finger; 205, ejector part 2; 30, auxiliary pressing module; 301, bracket; 302, ejector part 3; 303, base; 304, fixed pressure plate; 305, center push rod; 306, pressing head 1; 307, edge push rod; 308, pressing head 2. DETAILED DESCRIPTION

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] Reference Figures 1 to 8 As shown, the present invention provides a PC board bending device capable of performing inner corner bending, comprising a bending module 10, a displacement drive module 20 and an auxiliary pressing module 30. The displacement drive module 20 is used to drive the portion of the PC board to be bent into the active position of the bending module 10 and provide floating adjustment in the left and right directions. The bending module 10 presses down the portion of the PC board to be bent, and the auxiliary pressing module 30 provides auxiliary pressing at the top of the PC board when bending. The pressing action portion includes a full-coverage pressing portion away from one end of the bend and a dispersed pressing portion. Under the action of the auxiliary pressing module 30, the position of the dispersed pressing portion can be adaptively adjusted according to the length of the PC board.

[0034] refer to Figure 1 、 Figure 2 and Figure 5 As shown, the displacement drive module 20 includes a screw slide 201, a base 202, a slide rail 203, a loading platform 204 and a second push-out member 205. The screw slide 201 is arranged perpendicular to the bending direction of the PC board. The base 202 is fixedly arranged on the active end of the screw slide 201 and slides back and forth under the action of the screw slide 201. The slide rail 203 is symmetrically arranged on the base 202 along the left and right directions. The loading platform 204 is slidably arranged on the slide rail 203. The base 202 is fixedly provided with a second push-out member 205, and the output end of the second push-out member 205 is fixedly connected to one side of the loading platform 204.

[0035] In the displacement drive module 20, the screw slide 201 controls the feed of the base 202, that is, controls the forward and backward movement operation required for the PC board when bending. Accordingly, under the action of the ejector 205, the movement of the loading platform 204 relative to the slide rail 203 can control the left and right movement operation required for the PC board when bending. The forward and backward movement operation cooperates with the loading and unloading of the PC board, and the left and right movement operation cooperates with the position adjustment and alignment of the part to be bent of the PC board relative to the bending module 10 before bending.

[0036] refer to Figure 1 、 Figure 3 and Figure 7 As shown, the auxiliary pressing module 30 includes a bracket 301, a push member 302, a base 303, a fixed pressure plate 304, a center push rod 305, a pressing head 306, an edge push rod 307 and a pressing head 2 308. The bracket 301 is fixedly arranged on the base 202, and the push member 302 is loaded on the bracket 301. The base 303 is fixedly installed on the output end of the push member 3 302, and the fixed pressure plate 304 is fixedly installed on the bottom of the base 303. The center push rod 305 and the edge push rod 307 are fixedly installed on the side of the base 303 facing the bending module 10. The pressing head 1 306 is fixedly arranged on the output end of the center push rod 305, and the pressing head 2 308 is fixedly arranged on the output end of the edge push rod 307.

[0037] To address the unfavorable situation in which part of the PC board surface is easily deformed when being bent when the PC board is too long, the present invention makes corresponding improvements by using a segmented pressing solution constructed based on the auxiliary pressing module 30 .

[0038] Specifically: When the auxiliary pressing module 30 is in use, the fixed pressing plate 304 is first aligned with the side of the PC board away from the bending line, and then according to the actual length of the PC board, the center push rod 305 and the edge push rod 307 are driven to drive the pressing head 1 306 to align with the center intersection of the placement line, and the pressing head 2 308 to align with the two edge corner points of the placement line close to the bending line. After confirming that all are aligned, the push piece 3 302 is driven to produce a downward pressure to press the PC board.

[0039] This auxiliary pressing function includes a fixed pressing section fixed on one side and a movable pressing section in a "three-point" form that can adapt to the length adjustment of the PC board. Compared with a single heavy object pressing method, it has the advantage of being able to adapt to the length of the PC board. Through the auxiliary pressing function, the PC board obtains sufficient anti-deformation pressing surface when performing inner corner bending, effectively reducing the possibility of defective products.

[0040] refer to Figure 7As shown, the pulling directions of the ejector member 302, the central push rod 305 and the edge push rod 307 are all arranged parallel to the vertical direction, and the bottoms of the fixed pressure plate 304, the pressing head 1 306 and the pressing head 2 308 are arranged flush.

[0041] refer to Figure 6 As shown, a baffle 2040 is fixedly provided at one side edge of the loading platform 204 to provide support in the feeding direction when the PC board is bent.

[0042] It should be made clear that the three-point adjustable pressing formed by the fixed pressing plate 304, the pressing head 1 306 and the pressing head 2 308 is the key to solving the bending deformation of the long plate. The pressing head 1 306 and the pressing head 2 308 are then independently driven to move in the horizontal plane by the center push rod 305 and the edge push rod 307, so that they can be accurately positioned to key positions according to the actual length of the PC board, such as the center intersection of the placement lines and the two edge corner points close to the bending line, which can provide a more uniform, wider-coverage and position-adapted pressing force. In addition, the three adjustable pressing points form additional, position-variable pressure support, which together constitute a segmented adaptive pressing structure with a pressing surface that can be dynamically adjusted according to the length of the plate, effectively suppressing the warping and deformation of the plate surface away from the bending area, and greatly reducing the defective rate caused by deformation.

[0043] refer to Figure 5 As shown, the displacement drive module 20 also includes a fixed finger 2041, a servo 2042, a rotating shaft 2043, a movable finger 2044 and a finger 2045. The fixed finger 2041 is fixedly installed on the loading platform 204, and the servo 2042 is fixedly installed on the side wall of the fixed finger 2041. The output end of the servo 2042 is connected to the movable finger 2044 through the rotating shaft 2043. The ends of the fixed finger 2041 and the movable finger 2044 are both fixedly installed with a finger 2045, and the end of the finger 2045 is provided with a recess that matches the bending module 10.

[0044] refer to Figure 4 As shown, the bending module 10 includes a base plate 101, a mounting frame 102, a gasket 103, a push piece 104, a bending pressure head 105 and a through slot 106. The mounting frame 102 is fixedly provided on the base plate 101, the gasket 103 and the push piece 104 are fixedly installed on the mounting frame 102, the bending pressure head 105 is fixedly installed on the output end of the push piece 104, and the mounting frame 102 is provided with a through slot 106.

[0045] It should be noted that the ejector member 104, the ejector member 205, and the ejector member 302 mentioned above are implemented using corresponding models of cylinders or linear push rods or other existing parts that can produce linear traction. In addition, the edge push rod 307 and the center push rod 305 are both electric push rods. The specific working principle of the above structure will not be described in detail.

[0046] In addition, the screw slide 201 provides precise feeding in the front-to-back direction perpendicular to the bending direction for loading and unloading materials and aligning the bending position;

[0047] The second ejector 205 drives the loading platform 204 to slide along the slide rail 203 in the left and right directions, providing floating adjustment capability in this direction to ensure that the part of the PC board to be bent can be accurately aligned with the bending module 10;

[0048] A mechanism consisting of a fixed finger 2041, a servo 2042, a movable finger 2044 and a finger 2045 is integrated on the loading platform 204. The servo 2042 can drive the movable finger 2044 to cooperate with the fixed finger 2041 to automatically lift the bent PC board, simplifying and accelerating the unloading process.

[0049] It should be clear that the independent front-to-back and left-to-right bidirectional adjustment of the displacement drive module 20 can ensure that the part of the PC board to be bent can be accurately moved to the bottom of the bending pressure head 105, forming precise positioning, ensuring that the pressing action is applied to the most effective support point, preventing the sheet from sliding or local deformation during the bending process, and improving the consistency of the bending angle and shape. In addition, the left-right floating adjustment function of the displacement drive module 20 enhances the equipment's tolerance for the initial placement position or dimensional tolerance of the PC board.

[0050] Working principle: Place the heated and softened PC board on the loading platform 204, draw the bending line at the place to be bent, and draw a rectangular surface piece and its diagonal line with the bending line and the opposite side as the boundary. The diagonal line forms the placement line. Align the fixed pressing plate 304 with the side of the rectangular surface piece away from the bending line, drive the center push rod 305 and the edge push rod 307, so that the pressing head 1 306 is aligned with the center intersection of the placement line, and the pressing head 2 308 is aligned with the two corner points of the placement line near the bending line, start the ejector 302 to press down and fix it, at this time, start the screw slide 201 and the ejector 2 205, use the screw slide 201 to control the front and rear position, and the ejector 2 20 5 controls the left and right positions, thereby moving the PC board so that the part to be bent accurately enters the bottom of the bending module 10. The front and rear and left and right floating adjustments of the displacement drive module 20 ensure that the part to be bent is accurately aligned with the bending pressure head 105. The push-out member 104 drives the bending pressure head 105 to press down to complete the inner angle bending. During the process, an adaptive pressing surface can be formed by the independently driven pressing head 1 306 and the pressing head 2 308 to dynamically match the length of the PC board and suppress the bending deformation of the long board. After the inner angle bending is completed, the servo 2042 drives the movable finger 2044 to rotate, and cooperates with the fixed finger 2041 to lift the PC board and remove the PC board.

[0051] refer to Figures 1 to 8 As shown, based on the above-mentioned PC board bending equipment capable of performing inner corner bending, the present invention also provides a PC board bending process capable of performing inner corner bending, comprising the following steps:

[0052] S1. Loading: Place the PC board on the loading platform 204. The part of the PC board to be bent is preheated and softened.

[0053] S2. Draw the bending line: Draw the bending line on the edge of the PC board where it is to be bent;

[0054] S3. Draw placement lines: Form a rectangular patch with the bending line and the other side of the PC board as the boundary, and draw placement lines along the diagonal lines of the rectangular patch;

[0055] S4, placement and pressing unit: align the fixed pressing plate 304 with the side of the rectangular surface sheet in S3 away from the bending line, and drive the center push rod 305 and the edge push rod 307 to drive the pressing head 1 306 to align with the center intersection of the placement lines, and the pressing head 2 308 to align with the two edge corners of the placement lines close to the bending line. After confirming that all are aligned, drive the ejector 302 to produce a downward pressure to press the PC board;

[0056] S5, Bending: The displacement driving module 20 drives the part of the PC board to be bent into the working part of the bending module 10, and the pusher 104 drives the bending pressure head 105 to press down to bend the inner corner of the PC board;

[0057] S6. Cutting: The servo 2042 drives the movable finger 2044 to rotate relative to the fixed finger 2041 to lift the PC board to facilitate cutting.

[0058] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A PC board bending device capable of inner angle bending, characterized in that: include: Bending module (10), displacement driving module (20) and auxiliary pressing module (30); The displacement driving module (20) is used to drive the part of the PC board to be bent into the action position of the bending module (10) and provide floating adjustment in the left and right directions. The bending module (10) presses down the part of the PC board to be bent, and the auxiliary pressing module (30) provides auxiliary pressing of the top of the PC board when bending. The pressing action part includes a full-coverage pressing part away from the bending end and a dispersed pressing part. Under the action of the auxiliary pressing module (30), the position of the dispersed pressing part can be adaptively adjusted according to the length of the PC board; The displacement drive module (20) includes a screw slide (201) arranged perpendicular to the bending direction of the PC board, a base (202), a slide rail (203), a loading platform (204) and a second ejection member (205), wherein the base (202) is fixedly arranged on the action end of the screw slide (201) and slides back and forth under the action of the screw slide (201), the base (202) is symmetrically provided with slide rails (203) along the left and right directions, the loading platform (204) is slidably provided on the slide rails (203), the base (202) is fixedly provided with a second ejection member (205), and the output end of the second ejection member (205) is fixedly connected to one side of the loading platform (204); The auxiliary pressing module (30) includes a bracket (301) fixedly arranged on the base (202), a push-out member three (302), a base (303), a fixed pressure plate (304), a center push rod (305), a pressing head one (306), an edge push rod (307) and a pressing head two (308), wherein the bracket (301) is loaded with the push-out member three (302), the base (303) is fixedly installed on the output end of the push-out member three (302), the fixed pressure plate (304) is fixedly installed on the bottom of the base (303), the center push rod (305) and the edge push rod (307) are fixedly installed on the side of the base (303) facing the bending module (10), the pressing head one (306) is fixedly installed on the output end of the center push rod (305), and the pressing head two (308) is fixedly installed on the output end of the edge push rod (307); The displacement drive module (20) further comprises a fixed finger (2041), a steering gear (2042), a rotating shaft (2043), a movable finger (2044) and a finger (2045) fixedly mounted on the loading platform (204); the steering gear (2042) is arranged on the side wall of the fixed finger (2041); the output end of the steering gear (2042) is connected to the movable finger (2044) via the rotating shaft (2043); the ends of the fixed finger (2041) and the movable finger (2044) are both fixedly mounted with a finger (2045); and the end of the finger (2045) is provided with a recess that matches the bending module (10).

2. The PC board bending device capable of inner corner bending according to claim 1, characterized in that: The pulling directions of the ejection member 3 (302), the central push rod (305) and the edge push rod (307) are all arranged parallel to the vertical direction, and the bottoms of the fixed pressure plate (304), the pressing head 1 (306) and the pressing head 2 (308) are arranged flush.

3. The PC board bending device capable of inner corner bending according to claim 1, characterized in that: A baffle (2040) is fixedly provided at one side edge of the loading platform (204) to provide support in the feeding direction when the PC board is bent.

4. The PC board bending device capable of inner corner bending according to claim 1, characterized in that: The bending module (10) includes a base plate (101), a mounting frame (102), a gasket (103), a push-out member (104), a bending pressure head (105) and a through slot (106); the base plate (101) is fixedly provided with a mounting frame (102); the mounting frame (102) is fixedly provided with a gasket (103) and a push-out member (104); the output end of the push-out member (104) is fixedly provided with a bending pressure head (105); and the mounting frame (102) is provided with a through slot (106).

5. A process for bending a PC board using the PC board bending device capable of inner corner bending according to any one of claims 1 to 4, characterized in that: The following steps are involved: S1, loading: placing the PC board on the loading platform (204), and pre-heating and softening the part of the PC board to be bent; S2. Draw the bending line: Draw the bending line on the edge of the PC board where it is to be bent; S3. Draw placement lines: Form a rectangular patch with the bending line and the other side of the PC board as the boundary, and draw placement lines along the diagonal lines of the rectangular patch; S4, placement and pressing unit: align the fixed pressing plate (304) with the side of the rectangular surface sheet in S3 away from the bending line, and drive the center push rod (305) and the edge push rod (307) to drive the pressing head 1 (306) to align with the center intersection of the placement line, and the pressing head 2 (308) to align with the two edge corner points of the placement line close to the bending line. After confirming that all are aligned, drive the ejector 3 (302) to produce a downward pressure to press the PC board; S5, bending: the displacement driving module (20) drives the part of the PC board to be bent into the action part of the bending module (10), and the pusher (104) drives the bending pressure head (105) to press down, thereby bending the inner corner of the PC board; S6, blanking: The servo (2042) drives the movable finger (2044) to rotate relative to the fixed finger (2041) to lift the PC board.

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