Automatic alignment device for circuit board processing

Abstract

The invention relates to the field of circuit board processing, in particular to an automatic alignment device for circuit board processing, which comprises a workbench, a rack, a positioning mechanism and a drilling mechanism, an adjusting mechanism is arranged on the workbench, the adjusting mechanism comprises an adjusting plate, and the bottom of the adjusting plate is fixedly connected with a first brush in contact with the upper surface of the workbench; the adjusting plate is fixedly connected with a first dust suction pipe, the first dust suction pipe is provided with a plurality of dust suction nozzles, the workbench is fixedly connected with a dust suction pump, the dust suction pump is communicated with the first dust suction pipe through a first pipeline, and the adjusting mechanism further comprises a driving part used for driving the adjusting plate to slide. The problem that the surface quality of the circuit board is seriously influenced is solved.

Description

Technical Field

[0001] The present invention relates to the field of circuit board processing, in particular to an automatic alignment device for circuit board processing. Background Art

[0002] Circuit board, also known as printed circuit board, is an important electronic component. It is the support of electronic components and the provider of circuit connection of electronic components. The processing steps of circuit board include cutting, drilling, copper plating, pattern transfer, etching, solder mask, etc. In the process of drilling holes in the circuit board, the circuit board needs to be aligned first, and then fixed to prevent the circuit board from shifting.

[0003] In the related art, the positioning device for circuit board processing includes a workbench and a drilling device. The workbench is fixedly connected to a frame, and a three-axis drive mechanism is installed on the frame. The three-axis drive mechanism is connected to the drilling device, and a positioning mechanism is installed on the workbench. The positioning mechanism includes two first cylinders and two second cylinders fixedly connected to the workbench, the protruding ends of the two first cylinders are arranged opposite to each other, and the protruding ends of the two second cylinders are arranged opposite to each other. The protruding ends of the two first cylinders are fixedly connected to a first clamping plate, and the protruding ends of the two second cylinders are fixedly connected to a second clamping plate. The two first clamping plates and the two second clamping plates are respectively located around the circuit board. When the circuit board needs to be processed, the circuit board is first placed on the workbench, and then the first cylinder and the second cylinder are started. The first clamping plate and the second clamping plate push the circuit board to the center position and fix the circuit board.

[0004] Regarding the above-mentioned related technologies, when the first and second clamping plates push the circuit board to move, if there is dust or impurities on the workbench, greater friction will be generated between the circuit board and the workbench, which may easily scratch the circuit board and cause serious damage to the surface quality of the circuit board. Summary of the Invention

[0005] In order to solve the problem of serious impact on the surface quality of a circuit board, the present invention provides an automatic alignment device for processing a circuit board.

[0006] The present invention provides an automatic alignment device for circuit board processing, which adopts the following technical solutions: An automatic alignment device for circuit board processing includes a workbench, a frame, a positioning mechanism and a drilling mechanism. The workbench is provided with an adjustment mechanism, and the adjustment mechanism includes an adjustment plate. The bottom of the adjustment plate is fixedly connected to a first brush that contacts the upper surface of the workbench. The adjustment plate is fixedly connected to a first dust suction pipe, and a plurality of dust suction nozzles are provided on the first dust suction pipe. A dust suction pump is fixedly connected to the workbench, and the dust suction pump is connected to the first dust suction pipe through a first pipe. The adjustment mechanism also includes a driving member for driving the adjustment plate to slide.

[0007] Preferably, two lifting plates are provided on the workbench, and two lifting slots are provided on the workbench for accommodating the lifting plates respectively. The positioning mechanism includes two groups of positioning parts, and the two groups of positioning parts are respectively installed on the lifting plates. Two groups of driving mechanisms are installed on the workbench corresponding to the lifting plates respectively, and each group of driving mechanisms can drive the lifting plates to move.

[0008] Preferably, the driving mechanism includes a motor fixedly connected to the bottom of the workbench, a driving screw is rotatably installed on the inner bottom surface of the lifting groove, the output shaft of the motor is fixedly connected to the driving screw, a driving guide rod is fixedly connected to the inner bottom surface of the lifting groove, a driving plate is provided above the workbench, the driving screw and the driving guide rod are both passed through the driving plate, the driving screw is threadedly connected to the driving plate, and the driving plate is connected to the lifting plate.

[0009] Preferably, the driving member includes a first reciprocating screw rotatably mounted on the workbench, a driving block slidingly connected to the workbench is sleeved on the first reciprocating screw, the driving block is threadedly connected to the first reciprocating screw, a driving rod is fixedly connected to the driving block, the driving rod is fixedly connected to the adjustment plate, a driving shaft is rotatably mounted on the workbench, the driving shaft and the driving screw are connected by a bevel gear set, and a first conveyor belt is sleeved on the driving shaft and the first reciprocating screw.

[0010] Preferably, the positioning member includes a first positioning plate slidably mounted on a lifting plate, second positioning plates are rotatably mounted at both ends of the first positioning plate, and a transmission mechanism is installed on both lifting plates. The driving screw can drive the first positioning plate to move through the transmission mechanism, and the driving screw can drive the two second positioning plates to flip through the transmission mechanism.

[0011] Preferably, the lifting plate is slidably mounted on a driving plate, a first cylinder is fixedly connected to the driving plate, and the protruding end of the first cylinder is fixedly connected to the lifting plate; two sliding grooves are provided on the side wall of the first positioning plate, a sliding plate is slidably mounted in each of the two sliding grooves, and the two second positioning plates are rotatably mounted on the sliding plates respectively, a second cylinder is fixedly connected to the inner wall of the sliding groove, and the protruding end of the second cylinder is fixedly connected to the sliding plate.

[0012] Preferably, the transmission mechanism includes a transmission screw rotatably mounted on the lifting plate, the transmission screw is sleeved with a threaded cylinder fixedly connected to the first positioning plate, the first telescopic rotating shaft is rotatably mounted between the driving plate and the lifting plate, the driving screw is sleeved with a first bevel gear rotatably connected to the driving plate, the first bevel gear is slidably connected to the driving screw, the first telescopic rotating shaft is fixedly connected to a second bevel gear meshing with the first bevel gear, the lifting plate is slidably mounted with a rack, the rack and the lifting plate are fixedly connected with a first spring, the first telescopic rotating shaft is fixedly connected to the first gear meshing with the rack, and the transmission screw is fixedly connected to the second gear meshing with the rack.

[0013] Preferably, the sliding plate is provided with a mounting groove, a flip screw is rotatably installed in the mounting groove, a flip block is slidably installed in the mounting groove, the flip screw is passed through the flip block and is threadedly connected to the flip block, a flip rod is rotatably installed on the flip block, the flip rod is rotatably connected to the second positioning plate, a square rod is rotatably installed in the sliding groove, the square rod passes through the flip screw, a second telescopic rotating shaft is rotatably installed between the lifting plate and the first positioning plate, a second conveyor belt is sleeved between the second telescopic rotating shaft and the transmission screw, and the second telescopic rotating shaft and the square rod are connected by a bevel gear set.

[0014] Preferably, a cleaning mechanism is installed on the lifting plate, and the cleaning mechanism includes a cleaning plate, the bottom of the cleaning plate is fixedly connected to a second brush that contacts the upper surface of the lifting plate, a second dust suction pipe is fixedly connected to the cleaning plate, the dust suction pump is connected to the second dust suction pipe through a second pipe, and a connecting mechanism is installed on the lifting plate, and the first telescopic shaft can drive the cleaning plate to slide through the connecting mechanism.

[0015] The transmission gear of the second gear is connected with the transmission gear of the first gear and the transmission gear of the second gear is connected with the transmission gear of the second gear to the third gear and the transmission gear of the second gear is connected with the transmission gear of the second gear to the third gear.

[0016] In summary, the present invention includes at least the following beneficial technical effects: 1. When a circuit board needs to be processed, the driving member and the dust suction pump are first started. The driving member drives the adjustment plate to slide on the workbench, and the adjustment plate drives the first brush to clean the upper surface of the workbench. The first dust suction pipe absorbs the cleaned dust and impurities. When the circuit board is placed on the workbench, scratches on the circuit board are avoided, solving the problem of serious impact on the surface quality of the circuit board. 2. When the circuit board needs to be processed, first place both sides of the circuit board on the lifting plates on both sides, then start the two sets of positioning parts to align and fix the circuit board, and then start the driving mechanism, which drives the lifting plate to move downward, and the lifting plate drives the circuit board to fall on the workbench. By moving the edge of the circuit board, the circuit board is aligned, avoiding large-area contact between the circuit board and the workbench during the alignment process, and further preventing the occurrence of scratches on the circuit board; 3. Start the first cylinder, which drives the lifting plate to slide on the driving plate, so as to adjust the distance between the two lifting plates, thereby adjusting the distance between the two first positioning plates. Start the second cylinder, which drives the sliding plate to slide on the first positioning plate, and the sliding plate drives the second positioning plate to slide, so as to adjust the distance between the two second positioning plates, thereby processing circuit boards of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of an automatic alignment device for circuit board processing according to an embodiment of the present invention.

[0018] Figure 2 It is a bottom view structural diagram of an automatic alignment device for circuit board processing according to an embodiment of the present invention.

[0019] Figure 3 2 is a schematic structural diagram of a driving mechanism according to an embodiment of the present invention.

[0020] Figure 4 2 is a schematic structural diagram of an adjustment mechanism according to an embodiment of the present invention.

[0021] Figure 5 It is a structural schematic diagram of a cleaning mechanism according to an embodiment of the present invention.

[0022] Figure 6 2 is a schematic structural diagram of a transmission mechanism according to an embodiment of the present invention.

[0023] Figure 7 2 is a schematic structural diagram of a positioning mechanism according to an embodiment of the present invention.

[0024] Figure 8 Schematic diagram of the structure of the transmission part of the embodiment of the present invention.

[0025] Figure 92 is a schematic structural diagram of a connecting mechanism according to an embodiment of the present invention.

[0026] Figure 10 2 is a schematic structural diagram of the third rotating shaft according to an embodiment of the present invention.

[0027] Explanation of the accompanying reference numerals: 1. workbench; 11. lifting plate; 12. lifting slot; 13. first cylinder; 14. second cylinder; 15. frame; 2. positioning mechanism; 21. first positioning plate; 211. sliding slot; 22. second positioning plate; 23. sliding plate; 231. mounting slot; 3. adjusting mechanism; 31. adjusting plate; 32. first dust suction pipe; 33. first reciprocating screw; 34. driving block; 35. driving rod; 36. driving shaft; 4. driving mechanism; 41. motor; 42. driving screw; 421. first bevel gear; 43. driving guide rod; 44. driving plate; 5. transmission mechanism; 50. second telescopic shaft; 51. transmission screw; 511. Second gear; 52. Threaded cylinder; 53. First telescopic rotating shaft; 531. Second bevel gear; 532. First gear; 54. Rack; 55. First spring; 56. Flip screw; 57. Flip block; 58. Flip rod; 59. Square rod; 6. Cleaning mechanism; 61. Cleaning plate; 62. Second dust suction pipe; 7. Connecting mechanism; 71. Second reciprocating screw; 72. First rotating shaft; 721. Third gear; 73. Second rotating shaft; 731. Fourth gear; 74. Connecting guide rod; 75. Third rotating shaft; 751. Fifth gear; 76. Second spring; 77. Baffle; 8. Drilling mechanism. DETAILED DESCRIPTION

[0028] The following is combined with Figure 1 -Attached Figure 10 The present invention is described in further detail.

[0029] The embodiment of the present invention discloses an automatic alignment device for processing a circuit board. Figures 1 to 4The automatic alignment device for circuit board processing includes a workbench 1, a frame 15 fixedly connected to the workbench 1, a positioning mechanism 2 and a drilling mechanism 8 arranged on the workbench 1, a three-axis driving mechanism is installed on the frame 15, and the three-axis driving mechanism is connected to the drilling mechanism 8. The workbench 1 is provided with an adjustment mechanism 3, and the adjustment mechanism 3 includes an adjustment plate 31, and the bottom of the adjustment plate 31 is fixedly connected to a first brush in contact with the upper surface of the workbench 1, and a first dust suction pipe 32 is fixedly connected to the adjustment plate 31, and a plurality of dust suction nozzles are arranged on the first dust suction pipe 32. It is connected to a dust suction pump, which is connected to the first dust suction pipe 32 through a first pipe. The adjustment mechanism 3 also includes a driving member for driving the adjustment plate 31 to slide. When the circuit board needs to be processed, the driving member and the dust suction pump are first started. The driving member drives the adjustment plate 31 to slide on the workbench 1. The adjustment plate 31 drives the first brush to clean the upper surface of the workbench 1. The first dust suction pipe 32 absorbs the cleaned dust and impurities. When the circuit board is placed on the workbench 1, the circuit board is avoided from being scratched, thereby solving the problem of serious impact on the surface quality of the circuit board.

[0030] Reference Figures 1 to 4 Two lifting plates 11 are provided on the workbench 1, and two lifting slots 12 are provided on the workbench 1 for accommodating the lifting plates 11 respectively. The positioning mechanism 2 includes two sets of positioning parts, and the two sets of positioning parts are respectively installed on the lifting plates 11. Two sets of driving mechanisms 4 corresponding to the lifting plates 11 are installed on the workbench 1, and each set of driving mechanisms 4 can drive the lifting plates 11 to move; when it is necessary to process the circuit board, first place the two sides of the circuit board on the lifting plates 11 on both sides, and then start the two sets of positioning parts to align and fix the circuit board, and then start the driving mechanism 4. The driving mechanism 4 drives the lifting plate 11 to move downward, and the lifting plate 11 drives the circuit board to fall on the workbench 1, and the edge of the circuit board is moved to achieve the alignment of the circuit board, thereby avoiding large-area contact between the circuit board and the workbench 1 during the alignment process, and further avoiding the occurrence of scratches on the circuit board.

[0031] Reference Figures 2 to 4 The driving mechanism 4 includes a motor 41 fixedly connected to the bottom of the workbench 1, and a driving screw 42 is rotatably installed on the inner bottom surface of the lifting groove 12. The output shaft of the motor 41 is fixedly connected to the driving screw 42, and a driving guide rod 43 is fixedly connected to the inner bottom surface of the lifting groove 12. A driving plate 44 is provided above the workbench 1, and the driving screw 42 and the driving guide rod 43 are both passed through the driving plate 44. The driving screw 42 is threadedly connected to the driving plate 44, and the driving plate 44 is connected to the lifting plate 11; start the motor 41, the motor 41 drives the driving screw 42 to rotate, the driving screw 42 drives the driving plate 44 to move, the driving plate 44 drives the lifting plate 11 to move, and the lifting plate 11 drives the circuit board to rise and fall.

[0032] Reference Figures 2 to 4 The driving member includes a first reciprocating screw 33 rotatably mounted on the workbench 1, and the first reciprocating screw 33 is sleeved with a driving block 34 slidably connected to the workbench 1, and the driving block 34 is threadedly connected to the first reciprocating screw 33. The driving block 34 is fixedly connected to the driving rod 35, and the driving rod 35 is fixedly connected to the adjusting plate 31. A driving shaft 36 is rotatably mounted on the workbench 1, and the driving shaft 36 and the driving screw 42 are connected through a bevel gear set. The driving shaft 36 and the first reciprocating screw 33 are sleeved with a first conveyor belt; in the process of the circuit board moving downward, the driving screw 42 drives the driving shaft 36 to rotate, the driving shaft 36 drives the first reciprocating screw 33 to rotate, the first reciprocating screw 33 drives the driving block 34 to move, the driving block 34 drives the driving rod 35 to move, and the driving rod 35 drives the adjusting plate 31 to move, and the first brush and the first dust suction pipe 32 can clean the upper surface of the workbench 1.

[0033] Reference Figures 3 to 5 The positioning member includes a first positioning plate 21 slidably mounted on the lifting plate 11, and second positioning plates 22 are rotatably mounted at both ends of the first positioning plate 21. A transmission mechanism 5 is installed on each of the two lifting plates 11. The driving screw 42 can drive the first positioning plate 21 to move through the transmission mechanism 5, and the driving screw 42 can drive the two second positioning plates 22 to flip through the transmission mechanism 5; when the circuit board needs to be aligned and fixed, first place the edge of the circuit board on both sides of the lifting plate 11. During the rotation of the driving screw 42, the driving screw 42 drives the first positioning plate 21 to move through the transmission mechanism 5, and the two first positioning plates 21 approach each other to clamp and fix the two sides of the circuit board. The driving screw 42 drives the two second positioning plates 22 to flip through the transmission mechanism 5, and the two second positioning plates 22 clamp and fix the circuit board from the other two sides.

[0034] Reference Figures 4 to 8The lifting plate 11 is slidably mounted on the driving plate 44, and the driving plate 44 is fixedly connected to the first cylinder 13, and the protruding end of the first cylinder 13 is fixedly connected to the lifting plate 11; two sliding grooves 211 are provided on the side wall of the first positioning plate 21, and the sliding plates 23 are slidably mounted in the two sliding grooves 211, and the two second positioning plates 22 are rotatably mounted on the sliding plates 23, respectively. The inner wall of the sliding groove 211 is fixedly connected to the second cylinder 14, and the protruding end of the second cylinder 14 is fixedly connected to the sliding plate 23; start the first cylinder 13, the first cylinder 13 drives the lifting plate 11 to slide on the driving plate 44, and the spacing between the two lifting plates 11 can be adjusted, thereby adjusting the spacing between the two first positioning plates 21, starting the second cylinder 14, the second cylinder 14 drives the sliding plate 23 to slide on the first positioning plate 21, and the sliding plate 23 drives the second positioning plate 22 to slide, and the spacing between the two second positioning plates 22 can be adjusted, thereby processing circuit boards of different sizes.

[0035] Reference Figures 4 to 6 The transmission mechanism 5 includes a transmission screw 51 rotatably mounted on the lifting plate 11, and the transmission screw 51 is sleeved with a threaded cylinder 52 fixedly connected to the first positioning plate 21. A first telescopic rotating shaft 53 is rotatably mounted between the driving plate 44 and the lifting plate 11, and a first bevel gear 421 rotatably connected to the driving plate 44 is sleeved on the driving screw 42. The first bevel gear 421 is slidably connected to the driving screw 42, and a smooth section is provided on the top of the driving screw 42. A slide groove is vertically opened on the circumference of the driving screw 42, and a slider placed in the slide groove is fixedly connected to the first bevel gear 421. The first telescopic rotating shaft 53 is fixedly connected to the second bevel gear 531 meshing with the first bevel gear 421. A rack 54 is slidably mounted on the lifting plate 11, and a first spring 55 is fixedly connected to the rack 54 and the lifting plate 11. It is connected to a first gear 532 that meshes with the rack 54, and the transmission screw 51 is fixedly connected to a second gear 511 that meshes with the rack 54; in the process of rotating the driving screw 42, the driving screw 42 drives the first bevel gear 421 to rotate, and at the same time the driving plate 44 drives the first bevel gear 421 to move, the first bevel gear 421 drives the second bevel gear 531 to rotate, the second bevel gear 531 drives the first telescopic shaft 53 to rotate, the first telescopic shaft 53 drives the first gear 532 to rotate, the first gear 532 drives the rack 54 to move, the rack 54 drives the second gear 511 to rotate, the second gear 511 drives the transmission screw 51 to rotate, the transmission screw 51 drives the threaded barrel 52 to move, and the threaded barrel 52 drives the first positioning plate 21 to move, thereby aligning and fixing the circuit board.

[0036] Reference Figures 4 to 8The transmission mechanism 5 also includes two groups of transmission parts, which are respectively arranged corresponding to the second positioning plate 22. A mounting groove 231 is opened on the sliding plate 23. The transmission part includes a flip screw 56 rotatably installed in the mounting groove 231. A flip block 57 is slidably installed in the mounting groove 231. The flip screw 56 passes through the flip block 57 and is threadedly connected to the flip block 57. A flip rod 58 is rotatably installed on the flip block 57. The end of the flip rod 58 away from the flip block 57 is rotatably connected to the second positioning plate 22. A square rod 59 is rotatably installed in the sliding groove 211. The square rod 59 passes through the flip screw 56. The lifting plate 11 and the first positioning plate 21, a second telescopic rotating shaft 50 is rotatably installed, a second conveyor belt is sleeved between the second telescopic rotating shaft 50 and the transmission screw 51, and the second telescopic rotating shaft 50 and the square rod 59 are connected by a bevel gear set; during the rotation of the transmission screw 51, the transmission screw 51 drives the second telescopic rotating shaft 50 to rotate, the second telescopic rotating shaft 50 drives the square rod 59 to rotate, the square rod 59 drives the flip screw 56 to rotate, the flip screw 56 drives the flip block 57 to move, the flip block 57 drives the flip rod 58 to move, and the flip rod 58 drives the second positioning plate 22 to flip, thereby aligning and fixing the circuit board.

[0037] Reference Figures 4 to 9 The second brush is moved to the upper surface of the lifting plate 11, and the second dust suction pipe 62 absorbs the cleaned dust and impurities to avoid scratching the circuit board during the movement of the lifting plate 11.

[0038] Reference Figures 4 to 10The second gear 731 is fixedly connected to the third gear 751, and the fourth gear 751 is fixedly connected to the third gear 752. After the gear 751 is in gear with the third gear 721 and the fourth gear 731, the gear 751 is meshed with the third gear 721 and the fourth gear 731 at the same time; when the lifting plate 11 moves upward, the first telescopic shaft 53 drives the first shaft 72 to rotate, and the first shaft 72 drives the third gear 721 to rotate. When the lifting plate 11 moves to the top, the baffle 77 abuts against the third shaft 75 and pushes the third shaft 75 to move, and the third shaft 75 drives the fifth gear 751 to move, so that the fifth gear 751 is meshed with the third gear 721 and the fourth gear 731 at the same time, the third gear 721 drives the fifth gear 751 to rotate, the fifth gear 751 drives the fourth gear 731 to rotate, and the fourth gear 731 drives the second shaft 73 to rotate. The second shaft 73 drives the second reciprocating screw 71 to rotate, and the second reciprocating screw 71 drives the cleaning plate 61 to move, so that the upper surface of the lifting plate 11 can be cleaned.

[0039] The implementation principle of an automatic alignment device for circuit board processing according to an embodiment of the present invention is as follows: when the circuit board needs to be processed, the edge of the circuit board is first placed on the lifting plates 11 on both sides, and then the motor 41 and the dust suction pump are started. The motor 41 drives the lifting plate 11 to move downward, and the lifting plate 11 drives the circuit board to move downward. At the same time, the motor 41 drives the adjustment plate 31 to move, and the adjustment plate 31 drives the first brush to clean the upper surface of the workbench 1, and the first dust suction pipe 32 absorbs the cleaned dust and impurities. The driving screw 42 drives the transmission screw 51 to rotate, and the transmission screw 51 drives the threaded barrel 52 to move, and the threaded barrel 52 drives the first positioning plate 21 to move, and the two first positioning plates 21 approach each other to align the circuit board. The two sides of the circuit board are clamped and fixed, and the transmission screw 51 drives the second positioning plate 22 to flip, and the two second positioning plates 22 clamp and fix the circuit board from the other two sides; when the circuit board processing is completed, the circuit board is removed from the workbench 1, and the motor 41 is started to reverse. The motor 41 drives the lifting plate 11 to move upward. When the lifting plate 11 moves to the top, the first positioning plate 21 and the second positioning plate 22 return to the initial position, the baffle 77 abuts against the third rotating shaft 75, and the fifth gear 751 engages with the third gear 721 and the fourth gear 731 at the same time. The motor 41 drives the cleaning plate 61 to move, and the cleaning plate 61 drives the second brush to clean the upper surface of the lifting plate 11, and the second dust suction pipe 62 absorbs the cleaned dust and impurities.

[0040] The above are all preferred embodiments of the present invention, and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. An automatic alignment device for circuit board processing, comprising a workbench (1), a frame (15), a positioning mechanism (2) and a drilling mechanism (8), characterized in that: The workbench (1) is provided with an adjustment mechanism (3), the adjustment mechanism (3) comprising an adjustment plate (31), the bottom of the adjustment plate (31) being fixedly connected to a first brush in contact with the upper surface of the workbench (1), the adjustment plate (31) being fixedly connected to a first dust suction pipe (32), the first dust suction pipe (32) being provided with a plurality of dust suction nozzles, the workbench (1) being fixedly connected to a dust suction pump, the dust suction pump being connected to the first dust suction pipe (32) via a first pipe, and the adjustment mechanism (3) further comprising a driving member for driving the adjustment plate (31) to slide.

2. The automatic alignment device for circuit board processing according to claim 1, characterized in that: Two lifting plates (11) are provided on the workbench (1), and two lifting slots (12) are provided on the workbench (1) for receiving the lifting plates (11). The positioning mechanism (2) includes two groups of positioning members, and the two groups of positioning members are respectively installed on the lifting plates (11). Two groups of driving mechanisms (4) are installed on the workbench (1) and are respectively arranged corresponding to the lifting plates (11). Each group of the driving mechanisms (4) can drive the lifting plates (11) to move.

3. The automatic alignment device for circuit board processing according to claim 2, characterized in that: The driving mechanism (4) includes a motor (41) fixedly connected to the bottom of the workbench (1); a driving screw (42) is rotatably mounted on the inner bottom surface of the lifting groove (12); an output shaft of the motor (41) is fixedly connected to the driving screw (42); a driving guide rod (43) is fixedly connected to the inner bottom surface of the lifting groove (12); a driving plate (44) is provided above the workbench (1); the driving screw (42) and the driving guide rod (43) are both passed through the driving plate (44); the driving screw (42) is threadedly connected to the driving plate (44); and the driving plate (44) is connected to the lifting plate (11).

4. The automatic alignment device for circuit board processing according to claim 3, characterized in that: The driving member includes a first reciprocating screw (33) rotatably mounted on the workbench (1), a driving block (34) slidably connected to the workbench (1) is sleeved on the first reciprocating screw (33), the driving block (34) is threadedly connected to the first reciprocating screw (33), a driving rod (35) is fixedly connected to the driving block (34), the driving rod (35) is fixedly connected to the adjustment plate (31), a driving shaft (36) is rotatably mounted on the workbench (1), the driving shaft (36) and the driving screw (42) are connected via a bevel gear set, and a first conveyor belt is sleeved on the driving shaft (36) and the first reciprocating screw (33).

5. The automatic alignment device for circuit board processing according to claim 3, characterized in that: The positioning member includes a first positioning plate (21) slidably mounted on the lifting plate (11), second positioning plates (22) are rotatably mounted on both ends of the first positioning plate (21), and a transmission mechanism (5) is mounted on both lifting plates (11). The driving screw (42) can drive the first positioning plate (21) to move through the transmission mechanism (5), and the driving screw (42) can drive the two second positioning plates (22) to flip through the transmission mechanism (5).

6. The automatic alignment device for circuit board processing according to claim 5, characterized in that: The lifting plate (11) is slidably mounted on the driving plate (44), and a first cylinder (13) is fixedly connected to the driving plate (44), and the protruding end of the first cylinder (13) is fixedly connected to the lifting plate (11); two sliding grooves (211) are provided on the side wall of the first positioning plate (21), and a sliding plate (23) is slidably mounted in each of the two sliding grooves (211); the two second positioning plates (22) are rotatably mounted on the sliding plates (23), respectively, and a second cylinder (14) is fixedly connected to the inner wall of the sliding groove (211), and the protruding end of the second cylinder (14) is fixedly connected to the sliding plate (23).

7. The automatic alignment device for circuit board processing according to claim 6, characterized in that: The transmission mechanism (5) includes a transmission screw (51) rotatably mounted on the lifting plate (11), a threaded barrel (52) fixedly connected to the first positioning plate (21) is sleeved on the transmission screw (51), a first telescopic shaft (53) is rotatably mounted between the drive plate (44) and the lifting plate (11), a first bevel gear (421) rotatably connected to the drive plate (44) is sleeved on the drive screw (42), and the first bevel gear (421) is slidably connected to the drive screw (42). A second bevel gear (531) meshing with the first bevel gear (421) is fixedly connected to the first telescopic rotating shaft (53); a rack (54) is slidably mounted on the lifting plate (11); a first spring (55) is fixedly connected between the rack (54) and the lifting plate (11); a first gear (532) meshing with the rack (54) is fixedly connected to the first telescopic rotating shaft (53); and a second gear (511) meshing with the rack (54) is fixedly connected to the transmission screw (51).

8. The automatic alignment device for circuit board processing according to claim 7, characterized in that: The sliding plate (23) is provided with a mounting groove (231), a flip screw (56) is rotatably mounted in the mounting groove (231), a flip block (57) is slidably mounted in the mounting groove (231), the flip screw (56) is passed through the flip block (57) and is threadedly connected to the flip block (57), a flip rod (58) is rotatably mounted on the flip block (57), the flip rod (58) is rotatably connected to the second positioning plate (22), a square rod (59) is rotatably mounted in the sliding groove (211), the square rod (59) passes through the flip screw (56), a second telescopic rotating shaft (50) is rotatably mounted between the lifting plate (11) and the first positioning plate (21), a second conveyor belt is sleeved between the second telescopic rotating shaft (50) and the transmission screw (51), and the second telescopic rotating shaft (50) and the square rod (59) are connected via a bevel gear set.

9. The automatic alignment device for circuit board processing according to claim 7, characterized in that: A cleaning mechanism (6) is installed on the lifting plate (11), and the cleaning mechanism (6) includes a cleaning plate (61). A second brush in contact with the upper surface of the lifting plate (11) is fixedly connected to the bottom of the cleaning plate (61). A second dust suction pipe (62) is fixedly connected to the cleaning plate (61). The dust suction pump is connected to the second dust suction pipe (62) through a second pipe. A connecting mechanism (7) is installed on the lifting plate (11), and the first telescopic rotating shaft (53) can drive the cleaning plate (61) to slide through the connecting mechanism (7).

10. The automatic alignment device for circuit board processing according to claim 9, characterized in that: The connecting mechanism (7) includes a second reciprocating screw (71) rotatably mounted on the lifting plate (11), the second reciprocating screw (71) is inserted into the cleaning plate (61) and is threadedly connected to the cleaning plate (61), a first rotating shaft (72) and a second rotating shaft (73) are rotatably mounted on the lifting plate (11), a third conveyor belt is sleeved on the first rotating shaft (72) and the first telescopic rotating shaft (53), a fourth conveyor belt is sleeved on the second rotating shaft (73) and the second reciprocating screw (71), a connecting guide rod (74) is fixedly connected to the lifting plate (11), and the connecting guide rod (74) ), a third rotating shaft (75) is sleeved on the connecting guide rod (74), a second spring (76) is fixedly connected between the connecting guide rod (74) and the third rotating shaft (75), a baffle (77) capable of abutting against the third rotating shaft (75) is fixedly connected to the top of the driving guide rod (43), a third gear (721) is fixedly connected to the first rotating shaft (72), a fourth gear (731) is fixedly connected to the second rotating shaft (73), a fifth gear (751) is fixedly connected to the third rotating shaft (75), and the fifth gear (751) is meshed with the third gear (721) and the fourth gear (731) at the same time.

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