A circuit board conveying device

Abstract

The present invention discloses a circuit board conveying device, which relates to the technical field of equipment related to circuit board production, and includes a board taking unit, a paper feeding unit, and a collecting and conveying unit. The board taking unit includes an L-shaped baffle, on the horizontal part of which n vertical paper grooves are provided for separating n + 1 vertically placed circuit boards. A cross frame is provided at the sliding end of the second linear mechanism, and n clamping mechanisms are provided on one side of the cross frame for dragging the cardboard that passes through the vertical paper grooves and is conveyed upward. The output end of the third linear mechanism is provided with a pressing plate for pressing each circuit board and each cardboard. The paper feeding unit is arranged below the board taking unit and is used for transferring the cardboard to the upper part of the horizontal part of the L-shaped baffle. The collecting and conveying unit is arranged on one side of the paper feeding unit and includes a belt conveyor, on which a plurality of collecting boxes are provided, and a slideway is arranged above the belt conveyor, and a plurality of gaskets are arranged in the slideway. The present invention can automatically obtain circuit boards from the end of the circuit board immersion copper line, automatically sort and store them, and then automatically convey them.

Description

Technical Field

[0001] The present invention relates to the technical field of equipment related to circuit board production, and particularly to a circuit board conveying device. Background Art

[0002] Circuit board production usually involves many processes, including lamination, drilling, electroless copper plating, pattern transfer, electroplating, inspection, etc. Each process also includes multiple process steps respectively. Among them, the electroless copper plating process includes steps such as micro-etching, pre-impregnation, activation, electroless copper plating, and drying.

[0003] In the electroless copper plating process, a small hoist is usually used to transfer the circuit board. And in a common drying method, when the circuit board is finally suspended under the hoist, it is directly dried by hot air. The hoist for electroless copper plating includes a lifting part 4 as shown in Figure 12 The lower end of the lifting part 4 is provided with multiple groups of clips 41, and each group of clips 41 is respectively used for clamping a circuit board 5.

[0004] In the prior art, after the entire electroless copper plating process is completed, it is necessary to manually open each group of clips 41 to remove the circuit board 5, and then place the circuit board 5 into tools such as boxes or bins, and then transfer it by a trolley. In addition, in order to avoid friction and scratching between two circuit boards 5 and cause damage, spacers are usually required to manually separate the circuit boards 5, generally by using separator paper. In addition, after electroless copper plating, a pattern transfer process is usually carried out, and the circuit board 5 generally needs to be placed horizontally, so it needs to be manually flipped before transfer. Therefore, in the process of obtaining and transporting the circuit board after electroless copper plating, there are many manual processing steps and the degree of automation is low. Summary of the Invention

[0005] In view of the above defects, the present invention provides a circuit board conveying device, which can automatically obtain the circuit board from the end of the circuit board electroless copper plating line, automatically sort and store it, and then automatically convey it.

[0006] In order to achieve the purpose of the present invention, the following technologies are proposed:

[0007] A circuit board conveying device includes:

[0008] The board taking unit includes a first linear mechanism, at the output end of which there is a first rotating motor. One end of the output shaft of the first rotating motor is provided with an L-shaped baffle. n vertical paper grooves are formed on the horizontal part of the L-shaped baffle for separating n + 1 vertically placed circuit boards. Second linear mechanisms are vertically arranged on both sides of the vertical part of the L-shaped baffle. A cross frame is provided at the sliding end of the second linear mechanism. n clamping mechanisms are provided on one side of the cross frame for dragging the cardboard that passes through the vertical paper grooves and is conveyed upward. One end of the horizontal part of the L-shaped baffle is provided with a second rotating motor, and one end of its output shaft is provided with a third linear mechanism. A pressing plate for pressing each circuit board and each cardboard is provided at the output end of the third linear mechanism;

[0009] The paper feeding unit is arranged below the board taking unit and is used for transferring the cardboard through the vertical paper grooves to the upper part of the horizontal part of the L-shaped baffle;

[0010] The collection and conveying unit is arranged on one side of the paper feeding unit and includes a conveyor belt conveyor. Return-shaped protrusions are formed in an array on the outer peripheral side of the belt body of the conveyor belt conveyor. During operation, a plurality of collection boxes are arranged on the conveyor belt conveyor. A slideway is arranged above the conveyor belt conveyor. During operation, a plurality of gaskets are arranged in the slideway. A seventh linear mechanism is arranged above the lower end of the slideway, and a plug board for limiting the lowermost gasket is provided at the lower end of its output shaft.

[0011] Further, one end of the output shaft of the first rotating motor is provided with a first rotating plate, and the L-shaped baffle is arranged at one end of the first rotating plate.

[0012] Further, a hanging bracket is arranged at one end of the horizontal part of the L-shaped baffle, and the second rotating motor is arranged at the lower end of the hanging bracket.

[0013] Further, one end of the output shaft of the second rotating motor is provided with a second rotating plate, a bracket is arranged at the upper end of the second rotating plate, and the third linear mechanism is arranged at the upper end of the bracket.

[0014] Further, openings are formed on the upper end face and one side end face of the collection box, and a movable plate is assembled at the opening on the side end face of the collection box.

[0015] Further, a T-shaped frame is arranged on one side of the conveyor belt conveyor. One end of the horizontal part of the T-shaped frame is provided with an inclined plate, the other end is provided with a connecting plate, the slideway is arranged at one end of the inclined plate, and the seventh linear mechanism is arranged at one end of the connecting plate.

[0016] Further, square openings are respectively formed inward at both ends of the gasket.

[0017] Further, the paper feeding unit includes a storage rack for storing cardboard. Openings are provided on the upper end face and one side end face of the storage rack. A fourth linear mechanism is vertically provided on the other side end face of the storage rack. A connecting plate is provided at the lower end of its output shaft. A limiting plate is provided at one end of the connecting plate. The inner side surface of the limiting plate abuts against one side end face of the storage rack. A fifth linear mechanism is provided below one end of the storage rack. A sixth linear mechanism is vertically provided at its output end. A third rotary motor is provided at the upper end of the output shaft of the sixth linear mechanism. One end of the output shaft of the third rotary motor is provided with a U-shaped groove. A number of fourth rotary motors are respectively provided on the two inner side surfaces of the U-shaped groove. One end of the output shaft of the fourth rotary motor is provided with a first conveying wheel for abutting the cardboard against the inner bottom wall of the U-shaped groove for conveying. Inner frames are respectively provided at one end of the two inner side surfaces of the U-shaped groove. A fifth rotary motor is provided at one end of the inner frame. One end of the output shaft of the fifth rotary motor is provided with a second conveying wheel for conveying the cardboard located at the uppermost position in the storage rack into the U-shaped groove.

[0018] Further, a third rotating plate is provided at one end of the output shaft of the third rotary motor, and the U-shaped groove is provided at the upper end of the third rotating plate.

[0019] The beneficial effects of this technical solution are as follows:

[0020] 1. Through the circuit board conveying device of the present application, the circuit boards that have completed the copper deposition process can be quickly obtained, flipped, and conveyed, and most of the manual operations can be replaced. These steps, including placing cardboard between circuit boards, discharging circuit boards, flipping circuit boards and cardboard, and storing circuit boards, are all automatically completed. The staff only needs to complete the work of batch placing cardboard in the storage rack, preparing gaskets in advance, and placing the collection box at longer intervals, and these actions can be carried out at longer intervals. Therefore, the automation level is greatly improved.

[0021] 2. Cardboard can be automatically placed between circuit boards, and gaskets can be automatically placed between each group of circuit boards in the collection box, providing better protection for the circuit boards and improving product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 Shows the overall three-dimensional view of the embodiment of the present application.

[0023] Figure 2 Shows the three-dimensional view of the board taking unit of the embodiment of the present application.

[0024] Figure 3 Shows the partial view of the board taking unit of the embodiment of the present application Figure 1 .

[0025] Figure 4 Shows the three-dimensional view of the paper feeding unit of the embodiment of the present application.

[0026] Figure 5Shows a partial view of the paper feeding unit of the embodiment of the present application shown in an exploded view Figure 1 。

[0027] Figure 6 Shows a partial view of the paper feeding unit of the embodiment of the present application Figure 2 。

[0028] Figure 7 Shows a partial view of the paper feeding unit of the embodiment of the present application Figure 3 。

[0029] Figure 8 Shows a perspective view of the collection and conveying unit of the embodiment of the present application

[0030] Figure 9 Shows a partial view of the collection and conveying unit of the embodiment of the present application Figure 1 。

[0031] Figure 10 Shows a partial view of the collection and conveying unit of the embodiment of the present application shown in an exploded view Figure 2 。

[0032] Figure 11 Shows a partial view of the collection and conveying unit of the embodiment of the present application Figure 3 。

[0033] Figure 12 Shows a partial schematic view of the conveying of the copper deposition process circuit board in the background art of the present application

[0034] Markings in the figure: board taking unit 1, first linear mechanism 11, first bracket 111, inverted L-shaped frame 112, first rotating motor 12, first rotating plate 121, L-shaped baffle 13, vertical paper slot 131, side frame 132, hanging frame 133, second linear mechanism 14, cross frame 141, clamping mechanism 15, second rotating motor 16, second rotating plate 161, bracket 162, third linear mechanism 17, pressing plate 18, paper feeding unit 2, storage rack 21, second bracket 211, fourth linear mechanism 22, connecting plate 221, limiting plate 23, first inclined surface 231, fifth linear mechanism 24, third bracket 241, cross plate 242, sixth linear mechanism 25, third rotating motor 251, third rotating plate 252, U-shaped groove 26, second inclined surface 261, inner frame 262, fourth rotating motor 27, first conveying wheel 271, fifth rotating motor 28, second conveying wheel 281, collection and conveying unit 3, belt conveyor 31, fourth bracket 311, belt body 32, return convex portion 33, collection box 34, pin hole 341, movable plate 35, through hole 351, T-shaped frame 36, inclined plate 361, connecting plate 362, slideway 37, gasket 371, seventh linear mechanism 38, hanging plate 381, inserting plate 39, lifting part 4, clip 41, circuit board 5, cardboard 6 Detailed implementation manners

[0035] The present application will be further described below in conjunction with the accompanying drawings and embodiments.

[0036] As Figures 1 to 11 shown, a circuit board conveying device includes a board taking unit 1, a paper feeding unit 2, and a collecting and conveying unit 3.

[0037] As Figures 1 to 3 shown, the board taking unit 1 includes a first linear mechanism 11, a first bracket 111 is provided at the lower end thereof, an inverted L-shaped frame 112 is provided at the output end of the first linear mechanism 11, a first rotating motor 12 is provided on the inverted L-shaped frame 112, the output axis of the first rotating motor 12 is parallel to the output axis of the first linear mechanism 11, a first rotating plate 121 is provided at one end of the output shaft of the first rotating motor 12, an L-shaped baffle 13 is provided at one end of the first rotating plate 121, n vertical paper grooves 131 are formed on the horizontal portion of the L-shaped baffle 13 for separating n + 1 vertically placed circuit boards 5, side frames 132 are respectively provided on both sides of the vertical portion of the L-shaped baffle 13, a second linear mechanism 14 is vertically provided outside the side frames 132, a cross frame 141 is provided at its sliding end, n clamping mechanisms 15 are provided on one side of the cross frame 141 for dragging the cardboard 6 that passes through the vertical paper grooves 131 and is conveyed upward, and the width of the cardboard 6 is greater than the width of the circuit board 5, a hanging frame 133 is provided at one end of the horizontal portion of the L-shaped baffle 13, a second rotating motor 16 is provided below the hanging frame 133, a second rotating plate 161 is provided at one end of its output shaft, a bracket 162 is provided at the upper end of the second rotating plate 161, a third linear mechanism 17 is provided at the upper end of the bracket 162, and a pressing plate 18 for pressing each circuit board 5 and each cardboard 6 is provided at its output end. Specifically, a rotating seat is further provided at one end of the horizontal portion of the L-shaped baffle 13, and a driven rod rotatably engaged with the rotating seat is further provided on one side of the second rotating plate 161.

[0038] As Figure 1 、 Figures 4 to 7As shown in the figure, the paper feeding unit 2 is arranged below the board taking unit 1 and is used to transfer the cardboard 6 to the upper part of the horizontal portion of the L-shaped baffle 13 through the vertical paper slot 131. The paper feeding unit 2 includes a storage rack 21 for storing the cardboard 6. Openings are provided on the upper end surface and one side end surface of the storage rack 21. A second support 211 is provided at the lower end of the storage rack 21. A fourth linear mechanism 22 is vertically arranged on the other side end surface of the storage rack 21. A connecting plate 221 located below the storage rack 21 is provided at the lower end of its output shaft. A limiting plate 23 is provided at one end of the connecting plate 221. The inner side surface of the limiting plate 23 abuts against one side end surface of the storage rack 21. A first inclined surface 231 facing outward is provided at the upper end of the limiting plate 23. A fifth linear mechanism 24 is provided below one end of the storage rack 21. A third support 241 is provided at its lower end. A cross plate 242 is provided at the output end of the fifth linear mechanism 24. A sixth linear mechanism 25 is vertically arranged at one end of the cross plate 242. A third rotary motor 251 is provided at the upper end of its output shaft. A third rotating plate 252 is provided at one end of the output shaft of the third rotary motor 251. A U-shaped groove 26 is provided at the upper end of the third rotating plate 252. A second inclined surface 261 matching the first inclined surface 231 is provided at the bottom of one end of the U-shaped groove 26. A plurality of fourth rotary motors 27 are respectively provided on the two inner side surfaces of the U-shaped groove 26. A first conveying wheel 271 is provided at one end of the output shaft of the fourth rotary motor 27 for abutting the cardboard 6 against the inner bottom wall of the U-shaped groove 26 for conveying. Inner frames 262 are respectively provided at one end of the two inner side surfaces of the U-shaped groove 26. A fifth rotary motor 28 is provided at one end of the inner frame 262. A second conveying wheel 281 is provided at one end of the output shaft of the fifth rotary motor 28 for conveying the cardboard 6 located at the uppermost position in the storage rack 21 into the U-shaped groove 26. When the U-shaped groove 26 is rotated to a vertical state, after the cardboard 6 rises through the U-shaped groove 26, it passes through the vertical paper slot 131 and reaches the upper part of the horizontal portion of the L-shaped baffle 13.

[0039] As Figure 1 , Figures 8 to 11As shown in the figure, the collection and conveying unit 3 is arranged on one side of the paper feeding unit 2 and includes a conveyor belt conveyor 31. A fourth bracket 311 is provided at the lower end thereof. A plurality of loop-shaped protrusions 33 are formed in an array on the outer peripheral side of the belt body 32 of the conveyor belt conveyor 31. During operation, a plurality of collection boxes 34 for collecting circuit boards 5 are provided on the conveyor belt conveyor 31. Each collection box 34 is respectively limited inside each loop-shaped protrusion 33 to achieve positioning. Openings are provided on the upper end face and one side end face of the collection box 34. A movable plate 35 is assembled at the opening on the side end face of the collection box 34. Specifically, one end portions of the upper end faces of two parallel side walls of the collection box 34 are respectively provided with pin holes 341. Outer plates respectively extend from both ends of the upper end portion of the movable plate 35. Through holes 351 matching the pin holes 341 are provided on the outer plates. By sequentially connecting the through holes 351 and the pin holes 341 with pins, the movable plate 35 is fixed at the opening position on one side of the collection box 34. A T-shaped frame 36 is provided on one side of the conveyor belt conveyor 31. An inclined plate 361 is provided at one end of the horizontal portion of the T-shaped frame 36, and a connecting plate 362 is provided at the other end. A slideway 37 located above the conveyor belt conveyor 31 is provided at one end of the inclined plate 361. During operation, a plurality of gaskets 371 are provided in the slideway 37. Square openings are respectively opened inward at both ends of the gasket 371. A seventh linear mechanism 38 located above the lower end portion of the slideway 37 is vertically provided at one end of the connecting plate 362. A hanging plate 381 is provided at the lower end of its output shaft. An insertion plate 39 for limiting the gasket 371 through the square opening of the lowermost gasket 371 is provided at one end of the hanging plate 381.

[0040] In this embodiment, the first linear mechanism 11, the third linear mechanism 17, the fourth linear mechanism 22, the fifth linear mechanism 24, the sixth linear mechanism 25, and the seventh linear mechanism 38 all adopt single-axis linear cylinders. The second linear mechanism 14 adopts a rodless linear cylinder. The clamping mechanism 15 adopts a pneumatic clamp. The gasket 371 is a thin sheet made of rubber.

[0041] Working mode:

[0042] First, a plurality of circuit boards 5 that have completed the copper deposition process are hoisted and transferred to the end of the copper deposition production line by a traveling crane. To complete this step, first, the third linear mechanism 17 is rotated by the second rotating motor 16 to make it in a vertical state to avoid blocking the circuit board 5. In this embodiment, the number of circuit boards 5 is five. After one side surface of the circuit board 5 at the outermost end contacts the vertical portion of the L-shaped baffle 13, each circuit board 5 stops moving. At this time, the bottom end of the circuit board 5 is slightly higher than the horizontal portion of the L-shaped baffle 13. In this embodiment, it is 1 mm higher than the upper end surface of the horizontal portion.

[0043] Then, four cardboard boards 6 are transported between adjacent circuit boards 5 by the paper feeding unit 2. The specific operation is as follows: A plurality of cardboard boards 6 are pre-placed in the storage rack 21. Then, through the fourth linear mechanism 22, the highest point of the first inclined surface 231 of the limiting plate 23 is located at the height of the highest point of the second cardboard board 6 from top to bottom in the storage rack 21, that is, other cardboard boards 6 except the topmost one are limited to prevent other cardboard boards 6 from being taken out. Then, through the fifth linear mechanism 24, the sixth linear mechanism 25, and adjusting the position of the U-shaped groove 26, the second conveying wheel 281 can extend into the inner side of the storage rack 21. Then, through each fourth rotating motor 27 and the fifth rotating motor 28, each first conveying wheel 271 and the second conveying wheel 281 are controlled to transfer the cardboard board 6 into the U-shaped groove 26. Then, it is pushed by the fifth linear mechanism 24. Then, through the third rotating motor 251, the U-shaped groove 26 is rotated to the vertical position. At this time, the cardboard board 6 is aligned with a vertical paper slot 131 above. Then, the cardboard board 6 is continuously passed through the vertical paper slot 131 by each first conveying wheel 271 and reaches between two circuit boards 5. Then, through each second linear mechanism 14, the cross frame 141 is moved to the lower part, and a clamping mechanism 15 is started on each side to clamp the transferred cardboard board 6, and the cardboard board 6 is not lifted at this time. And so on, the other three cardboard boards 6 are transferred between other adjacent circuit boards 5 and clamped. The state at this time is as Figure 1 shown. The four cardboard boards 6 are between the circuit boards 5 that are adjacent to each other in pairs among the five circuit boards 5. Each of the four cardboard boards 6 is clamped by a pair of clamping mechanisms 15 respectively. Then, each cross frame 141 is lifted by two second linear mechanisms 14 so that the cardboard boards 6 can completely separate the adjacent circuit boards 5.

[0044] Next, a collection box 34 is placed in the return convex part 33 closest to the board taking unit 1, and a plurality of gaskets 371 are pre-placed in the slideway 37. Then, a batch of five circuit boards 5 are stored and conveyed jointly by the board taking unit 1 and the collection and conveying unit 3. Specifically: First, the clamping of the circuit board 5 by the clip 41 is released. Then, through the second rotating motor 16, the third linear mechanism 17 is rotated so that it is in a horizontal state. Then, through the third linear mechanism 17, the pressing plate 18 presses the circuit boards 5 separated by the cardboard boards 6 together. While pushing the pressing plate 18, each pair of clamping mechanisms 15 is loosened in sequence, and the clamping of the side ends of the cardboard boards 6 is released. Finally, the clamping force between the pressing plate 18 and the vertical part of the L-shaped baffle 13 makes the circuit boards 5 and the cardboard boards 6 fixed. The output end is retracted by the first linear mechanism 11. Then, through the first rotating motor 12, each circuit board 5 and the cardboard board 6 are rotated so that the vertical part of the L-shaped baffle 13 is flipped more than 90°. Then, the pressing of the pressing plate 18 is released, and a batch of five circuit boards 5 slide into the collection box 34.

[0045] The lifting of the insertion plate 39 is controlled by the seventh linear mechanism 38, so that a spacer 371 falls into the collection box 34 and lands on a batch of circuit boards 5 that were just placed.

[0046] And so on, multiple batches of circuit boards 5 are placed in a collection box 34, and the batches of circuit boards 5 are separated by spacers 371 until the collection box 34 is full. Then, the collection box 34 is moved by the conveyor 31. In the drawings of this embodiment, for the convenience of representation, a shorter conveyor 31 is drawn. In actual use, a longer conveyor 31 can be used, which can transport more collection boxes 34, and preferably, the conveyor 31 can be extended to the loading position of the next process of the circuit board 5 production.

[0047] After the collection box 34 reaches the next process, the movable plate 35 can be removed to conveniently pick up the circuit boards 5 from the side.

[0048] The above are only some embodiments listed in this application and are not used to limit this application.

Claims

1. A circuit board conveying device, characterized in that, Including: A board taking unit (1), comprising a first linear mechanism (11), at the output end of which there is a first rotary motor (12). At one end of the output shaft of the first rotary motor (12), there is an L-shaped baffle (13). On the horizontal part of the L-shaped baffle (13), n vertical paper grooves (131) are provided for separating n + 1 vertically placed circuit boards (5). On both sides of the vertical part of the L-shaped baffle (13), second linear mechanisms (14) are vertically provided respectively. At the sliding end of the second linear mechanism (14), there is a cross frame (141). On one side of the cross frame (141), n clamping mechanisms (15) are provided for dragging the cardboard (6) that passes through the vertical paper grooves (131) and is conveyed upward. At one end of the horizontal part of the L-shaped baffle (13), there is a second rotary motor (16). At one end of its output shaft, there is a third linear mechanism (17). At the output end of the third linear mechanism (17), there is a pressing plate (18) for pressing each circuit board (5) and each cardboard (6); A paper feeding unit (2) is arranged below the board taking unit (1) and is used for transferring the cardboard (6) through the vertical paper grooves (131) to above the horizontal part of the L-shaped baffle (13). The paper feeding unit (2) includes a storage rack (21) for storing the cardboard (6). Openings are provided on the upper end face and one side end face of the storage rack (21). On the other side end face of the storage rack (21), a fourth linear mechanism (22) is vertically provided. At the lower end of its output shaft, there is a connecting plate (221). At one end of the connecting plate (221), there is a limiting plate (23). The inner side face of the limiting plate (23) abuts against one side end face of the storage rack (21). Below one end of the storage rack (21), a fifth linear mechanism (24) is provided. At its output end, a sixth linear mechanism (25) is vertically provided. At the upper end of the output shaft of the sixth linear mechanism (25), there is a third rotary motor (251). At one end of the output shaft of the third rotary motor (251), there is a U-shaped groove (26). On the two inner side faces of the U-shaped groove (26), a number of fourth rotary motors (27) are respectively provided. At one end of the output shaft of the fourth rotary motor (27), there is a first conveying wheel (271) for abutting the cardboard (6) against the inner bottom wall of the U-shaped groove (26) for conveying. At one end of each of the two inner side faces of the U-shaped groove (26), an inner frame (262) is further provided respectively. At one end of the inner frame (262), there is a fifth rotary motor (28). At one end of the output shaft of the fifth rotary motor (28), there is a second conveying wheel (281) for conveying the cardboard (6) located at the uppermost position in the storage rack (21) into the U-shaped groove (26); The collection and conveying unit (3) is arranged on one side of the paper feeding unit (2) and includes a conveyor belt conveyor (31). The outer peripheral side of the belt body (32) of the conveyor belt conveyor (31) is formed with a loop-shaped convex portion (33) in an array. During operation, a plurality of collection boxes (34) are arranged on the conveyor belt conveyor (31). A slideway (37) is arranged above the conveyor belt conveyor (31). During operation, a plurality of gaskets (371) are arranged in the slideway (37). Above the lower end of the slideway (37), a seventh linear mechanism (38) is arranged. The lower end of the output shaft of the seventh linear mechanism (38) is provided with a plug board (39) for limiting the lowermost gasket (371). Openings are formed on the upper end face and one side end face of the collection box (34). A movable plate (35) is assembled to the opening on the side end face of the collection box (34). A T-shaped frame (36) is arranged on one side of the conveyor belt conveyor (31). One end of the horizontal part of the T-shaped frame (36) is provided with an inclined plate (361), and the other end is provided with a connecting plate (362). The slideway (37) is arranged at one end of the inclined plate (361), and the seventh linear mechanism (38) is arranged at one end of the connecting plate (362). Square openings are respectively formed inwards at both ends of the gasket (371).

2. The circuit board conveying device according to claim 1, wherein, One end of the output shaft of the first rotating motor (12) is provided with a first rotating plate (121), and an L-shaped baffle (13) is arranged at one end of the first rotating plate (121).

3. The circuit board conveying device according to claim 1, wherein One end of the horizontal part of the L-shaped baffle (13) is provided with a hanging bracket (133), and the second rotating motor (16) is arranged at the lower end of the hanging bracket (133).

4. The circuit board conveying device according to claim 1, wherein One end of the output shaft of the second rotating motor (16) is provided with a second rotating plate (161), a bracket (162) is arranged at the upper end of the second rotating plate (161), and a third linear mechanism (17) is arranged at the upper end of the bracket (162).

5. The circuit board conveying device according to claim 1, wherein One end of the output shaft of the third rotating motor (251) is provided with a third rotating plate (252), and a U-shaped groove (26) is arranged at the upper end of the third rotating plate (252).

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