A spot welding device for circuit board production

Abstract

The present invention discloses a spot welding device for circuit board production, comprising a bottom plate and a loading box fixedly arranged on the top surface of the bottom plate, grooves are provided on both sides of the loading box, and the inner transmission of the grooves is connected with a conveyor belt, a placement plate is provided on the surface of the conveyor belt, and the spacing between the upper and lower placement plates is equal, a through slot is provided on the back of the loading box, and a lifting mechanism is provided inside the through slot, and a feed chute is provided on the front of the loading box, and the present invention relates to the technical field of circuit board production. The spot welding device for circuit board production, through the setting of the lifting mechanism, can lift the circuit board located inside the loading box to the top surface of the loading box, so as to facilitate the subsequent clamping operation of the circuit board, and the placement plate is driven by the conveyor belt to lift and convey the circuit board, so as to realize automatic loading of the circuit board, without the need for personnel to clamp the circuit board one by one, which greatly improves the positioning efficiency of the circuit board, and is suitable for large-scale production lines.

Description

Technical Field

[0001] The invention relates to the technical field of circuit board production, in particular to a spot welding device used for circuit board production. Background Art

[0002] The circuit board is an important electronic component, whose main function is to realize the physical connection between electronic components and the transmission of electrical signals.

[0003] According to the patent application number CN202320333313.3, the positioning device for spot welding of circuit boards can directly flip and adjust the circuit board according to the different surfaces required for spot welding by setting a rotating mechanism and a fixing mechanism. The front and back sides of the circuit board can be selected at will through the flip frame. The size and fixed position of the circuit board can be adjusted by sliding the fixing clip on the slide slot. The spring is contracted by pulling the pull plate. After the circuit board is put in, the spring is extended to clamp and fix the circuit board, thereby improving the fixing effect of the device on the circuit board, and can be fixed for different circuit boards, thereby improving the practicality of the device.

[0004] In the above patent, personnel are required to manually load and unload the circuit boards during the spot welding operation. Obviously, this method is not suitable for production lines of large quantities of circuit boards. It consumes a lot of manpower and material resources when clamping the circuit boards, and it is difficult to adaptively adjust the clamping structure according to the size of the circuit boards. There are great limitations. Therefore, in view of the above shortcomings, the present invention makes the following improvements. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a spot welding device for circuit board production, which solves the problems mentioned in the background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a spot welding device for circuit board production, comprising a bottom plate and a loading box fixedly arranged on the top surface of the bottom plate, grooves are provided on both sides of the loading box, and a conveyor belt is connected to the inner part of the groove for transmission, a placement plate is provided on the surface of the conveyor belt, and the spacing between the upper and lower placement plates is equal, a through groove is provided on the back of the loading box, and a lifting mechanism is provided inside the through groove, a feeding trough is provided on the front of the loading box, and a feeding mechanism is provided on the surface of the feeding trough;

[0007] The lifting mechanism includes a threaded rod rotatably arranged inside the through groove, and a sliding block is threadedly connected to the surface of the threaded rod, first electric slide rails are fixedly arranged on both sides of the sliding block, and a movable plate is slidably arranged on the surface of the first electric slide rail through a guide block, an adsorption box is movably arranged on the top surface of the movable plate, and a plurality of adsorption holes are opened on the top surface of the adsorption box, a negative pressure pump is arranged on the back of the feeding box, and an air suction port of the negative pressure pump is connected to the back of the adsorption box through a pipeline;

[0008] The feeding mechanism includes a feeding frame fixedly arranged on the front side of the loading box, and a lifting plate is movably arranged inside the feeding frame, mounting frames are arranged on both sides of the top surface of the feeding frame, and feeding rollers are rotatably arranged inside the mounting frames through connecting rods.

[0009] Preferably, an electric push rod is fixedly provided on the top surface of the movable plate, and the protruding end of the electric push rod is fixedly connected to the bottom surface of the adsorption box.

[0010] Preferably, longitudinal electric slide rails are fixedly provided on the front side of the loading box and on both sides of the bottom surface of the feeding trough, and the surface of the lifting plate is slidably connected to the surface of the longitudinal electric slide rails through a protrusion.

[0011] Preferably, a fixing frame is fixedly provided on the top surface of the installation frame, the top end of the connecting rod passes through the installation frame and is rotatably connected to the top of the inner wall of the fixing frame, the surface of the connecting rod located inside the fixing frame is fixedly connected to a transmission gear, and the surface of the transmission gear is transmission-connected to a chain.

[0012] Preferably, second electric slide rails are fixedly provided on the front and back sides of the top of the loading box, and a U-shaped frame is slidably provided between the top surfaces of the two second electric slide rails, and a clamping and flipping mechanism is provided on the top surface of the U-shaped frame.

[0013] Preferably, the clamping and flipping mechanism comprises a U-shaped frame, a first double-rod hydraulic cylinder is fixedly provided on one side of the U-shaped frame, and clamping plates are fixedly provided on both protruding ends of the first double-rod hydraulic cylinder, and limiting plates are provided on the top and bottom surfaces of the U-shaped frame.

[0014] Preferably, a hydraulic cylinder is fixedly provided on the top surface of the U-shaped frame, and a driving motor is fixedly provided on the protruding end of the hydraulic cylinder, and one end of the output shaft of the driving motor is fixedly connected to the other side of the U-shaped frame through a coupling.

[0015] Preferably, a first motor is fixedly installed inside the U-shaped frame, and one end of the output shaft of the first motor is fixedly connected to the first gear through a coupling, a second double-rod hydraulic cylinder is rotatably installed inside the U-shaped frame, and the two protruding ends of the second double-rod hydraulic cylinder are fixedly connected to the surface of the limit plate, and the surface of the second double-rod hydraulic cylinder is fixedly connected to a second gear meshing with the first gear.

[0016] Beneficial Effects

[0017] The present invention provides a spot welding device for circuit board production, which has the following beneficial effects compared with the prior art:

[0018] (1) The spot welding device for circuit board production can lift the circuit board inside the loading box to the top surface of the loading box through the setting of the lifting mechanism, so as to facilitate the subsequent clamping operation of the circuit board. The placement plate is driven by the conveyor belt to lift and transport the circuit board, which can realize automatic loading of the circuit board. There is no need for personnel to clamp the circuit boards one by one, which greatly improves the positioning efficiency of the circuit board and is suitable for large-scale production lines.

[0019] (2) The spot welding device used for circuit board production, through the setting of the feeding mechanism, allows personnel to put the circuit board to be spot welded into the inside of the feeding frame and wait for subsequent feeding operations. Personnel only need to replenish the material once to realize the automatic feeding of subsequent circuit boards, which greatly improves the spot welding efficiency of the circuit board.

[0020] (3) The spot welding device used for circuit board production can be adaptively adjusted within a certain range according to the size of the circuit board through the setting of the clamping and flipping mechanism, thereby expanding the application range of the clamping structure. In addition, during the subsequent flipping, the setting of the upper and lower limit plates can prevent the hidden danger of the circuit board falling, thereby improving safety.

[0021] (4) The spot welding device for circuit board production can automatically unload the circuit board after spot welding is completed through the provision of a transfer table and a second electric slide rail, without the need for personnel to disassemble and assemble the circuit board, thereby improving the unloading speed of the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A three-dimensional diagram of the structure of the present invention;

[0023] Figure 2 It is a cross-sectional view of the loading box structure of the present invention;

[0024] Figure 3 A top view of the transmission gear and chain structure of the present invention;

[0025] Figure 4 It is a schematic diagram of the structure of the negative pressure pump of the present invention;

[0026] Figure 5 For the present invention Figure 1 A partial enlarged view of the middle A;

[0027] Figure 6 For the present invention Figure 1 A partial enlarged view of point B in the middle.

[0028] In the figure: 1. feeding box; 2. conveyor belt; 3. placement plate; 4. lifting mechanism; 41. threaded rod; 42. sliding block; 43. first electric slide rail; 44. movable plate; 45. adsorption box; 46. negative pressure pump; 47. electric push rod; 5. feeding mechanism; 51. feeding frame; 52. lifting plate; 53. installation frame; 54. feeding roller; 55. chain; 56. longitudinal electric slide rail; 57. fixed frame; 58. transmission gear; 6. second electric slide rail; 7. U-shaped frame; 8. clamping and flipping mechanism; 81. U-shaped frame; 82. first double-rod hydraulic cylinder; 83. clamping plate; 84. limit plate; 85. hydraulic cylinder; 86. driving motor; 87. first motor; 88. first gear; 89. second double-rod hydraulic cylinder; 810. second gear; 9. transmission platform; 10. second motor. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0030] Embodiment 1

[0031] See also Figures 1 to 4 As shown, the present invention provides a technical solution, and the specific improvements are as follows:

[0032] A spot welding device for circuit board production comprises a bottom plate and a loading box 1 fixedly arranged on the top surface of the bottom plate, a transmission platform 9 is fixedly arranged on one side of the top surface of the loading box 1, and the battery panel after spot welding can be unloaded through the transmission platform 9, both sides of the loading box 1 are provided with grooves, and the inner transmission of the groove is connected with a conveyor belt 2, the conveyor belt 2 is a prior art, and is driven by an external control motor, and the position of the battery panel on the placement plate 3 can be adjusted by the conveyor belt 2, the surface of the conveyor belt 2 is provided with a placement plate 3, and the spacing between the upper and lower placement plates 3 is equal, the back of the loading box 1 is provided with a through groove, and the interior of the through groove is provided with a lifting mechanism 4, the lifting mechanism 4 comprises a threaded rod 41 rotatably arranged inside the through groove, and the surface of the threaded rod 41 is threadedly connected with a sliding block 42, and the interior of the loading box 1 is provided with A third motor, and one end of the output shaft of the third motor is fixedly connected to the bottom end of the threaded rod 41 through a coupling, first electric slide rails 43 are fixedly provided on both sides of the sliding block 42, and a movable plate 44 is slidably provided on the surface of the first electric slide rail 43 through a guide block, an adsorption box 45 is movably provided on the top surface of the movable plate 44, and a plurality of adsorption holes are provided on the top surface of the adsorption box 45, an electric push rod 47 is fixedly provided on the top surface of the movable plate 44, and the protruding end of the electric push rod 47 is fixedly connected to the bottom surface of the adsorption box 45, a negative pressure pump 46 is provided on the back of the feeding box 1, and the air suction port of the negative pressure pump 46 is connected to the back of the adsorption box 45 through a pipeline, the air suction port of the negative pressure pump 46 is connected to a U-shaped tube, and the two ends of the U-shaped tube are respectively connected to the backs of the two adsorption boxes 45, and a telescopic section is provided on the surface of the U-shaped tube;

[0033] A feeding trough is provided on the front of the loading box 1, and a feeding mechanism 5 is provided on the surface of the feeding trough. The feeding mechanism 5 includes a feeding frame 51 fixedly provided on the front of the loading box 1, and a lifting plate 52 is movably provided inside the feeding frame 51. A longitudinal electric slide rail 56 is fixedly provided on both sides of the front of the loading box 1 and located on the bottom surface of the feeding trough. The surface of the lifting plate 52 is slidably connected to the surface of the longitudinal electric slide rail 56 through a protrusion. A mounting frame 53 is provided on both sides of the top surface of the feeding frame 51, and the interior of the mounting frame 53 is rotated by a connecting rod. A feeding roller 54 is movably provided, a fixing frame 57 is fixedly provided on the top surface of the installation frame 53, the top end of the connecting rod passes through the installation frame 53 and is rotatably connected to the top of the inner wall of the fixing frame 57, a second motor 10 is provided on the top surface of the fixing frame 57, and one end of the output shaft of the second motor 10 is fixedly connected to the top end of one of the connecting rods through a coupling, a transmission gear 58 is fixedly connected to the surface of the connecting rod located inside the fixing frame 57, and a chain 55 is transmission-connected to the surface of the transmission gear 58, and a movable door is provided on the front of the feeding frame 51;

[0034] The personnel put the solar panels to be spot welded into the feed frame 51 in advance and place them on the top surface of the lifting plate 52. The feed frame 51 stores the solar panels to be spot welded. When spot welding operation is required, the longitudinal electric slide rail 56 is started, so that the longitudinal electric slide rail 56 can drive the lifting plate 52 to rise, and the solar panel at the top is lifted to one side of the feeding roller 54 through the lifting plate 52, and then the second motor 10 is started, so that the second motor 10 drives one of the connecting rods to rotate, and the transmission gear 58 on the connecting rod drives the chain 55 to rotate synchronously. At this time, the feeding roller 54 rotates synchronously, and the solar panel in contact with it can be transported to the inside of the loading box 1 through the feed trough, and the bottom surface of the solar panel is placed on the top surface of the left and right placement plates 3. At this time, four solar panels to be spot welded are placed inside the loading box 1;

[0035] Start the first electric slide rail 43, so that the first electric slide rail 43 drives the movable plate 44 to move toward the front through the guide block until the movable plate 44 is located between the upper and lower battery panels. At this time, the adsorption box 45 is located on the bottom surface of the battery panel. Start the negative pressure pump 46, so that the negative pressure pump 46 extracts the air inside the adsorption box 45 through the U shape. Through the setting of the adsorption holes, the adsorption box 45 can be adsorbed and fixed on the bottom surface of the battery panel.

[0036] Start the third motor so that the third motor drives the threaded rod 41 to rotate. The rotation of the threaded rod 41 can drive the sliding block 42 to move upward, and drive the battery panel in contact with it to rise through the adsorption box 45. When the sliding block 42 moves to the top, the third motor can be turned off and the electric push rod 47 can be started so that the extended end of the electric push rod 47 drives the adsorption box 45 to rise until the battery panel on its top surface is located on the top surface of the loading box 1. Only then can the subsequent spot welding operation be carried out. Similarly, the same operation is performed on the remaining battery panels inside the loading box 1. When the remaining battery panels are loaded, the conveyor belt 2 needs to be controlled by an external control motor to transmit the remaining battery panels upward.

[0037] Embodiment 2

[0038] Based on Example 1, please refer to Figure 1 , Figure 5 as well as Figure 6 The specific improvements are as follows:

[0039] The front and back sides of the top of the loading box 1 are fixedly provided with second electric slide rails 6, and a U-shaped frame 7 is slidably provided between the top surfaces of the two second electric slide rails 6, and a clamping and flipping mechanism 8 is provided on the top surface of the U-shaped frame 7, and the clamping and flipping mechanism 8 includes a U-shaped frame 81, and a first double-rod hydraulic cylinder 82 is fixedly provided on one side of the U-shaped frame 81, and a clamping plate 83 is fixedly provided on the two protruding ends of the first double-rod hydraulic cylinder 82, and a limit plate 84 is provided on the top and bottom surfaces of the U-shaped frame 81, and a pressure pad is fixedly provided on the opposite side of the two limit plates 84, and a hydraulic Cylinder 85, and a driving motor 86 is fixedly provided at the extended end of the hydraulic cylinder 85, one end of the output shaft of the driving motor 86 is fixedly connected to the other side of the U-shaped frame 81 through a coupling, a first motor 87 is fixedly provided inside the U-shaped frame 81, and one end of the output shaft of the first motor 87 is fixedly connected to a first gear 88 through a coupling, a second double-rod hydraulic cylinder 89 is rotatably provided inside the U-shaped frame 81, and the two extended ends of the second double-rod hydraulic cylinder 89 are fixedly connected to the surface of the limit plate 84, and the surface of the second double-rod hydraulic cylinder 89 is fixedly connected to a second gear 810 meshing with the first gear 88;

[0040] When the battery panel is located on the top surface of the loading box 1, the two protruding ends of the first double-rod hydraulic cylinder 82 clamp and fix the battery panel through the clamping plate 83 before the subsequent spot welding operation can be carried out. When the bottom surface of the battery panel needs to be spot welded, the first motor 87 is started so that the first motor 87 drives the second double-rod hydraulic cylinder 89 to rotate through the first gear 88 and the second gear 810, so that the two limit plates 84 are respectively located on the top and bottom surfaces of the battery panel, and then the two protruding ends of the second double-rod hydraulic cylinder 89 drive the two limit plates 84 to move relative to each other so as to clamp the top and bottom surfaces of the battery panel, and then the drive motor 86 is started so that the drive motor 86 drives the U-shaped frame 81 to rotate, so that the battery panel rotates synchronously so that the bottom surface of the battery panel faces upward, and then the two limit plates 84 are controlled to rotate away from the battery panel before the spot welding operation can be carried out again.

[0041] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A spot welding device for circuit board production, comprising a base plate and a loading box (1) fixedly arranged on the top surface of the base plate, characterized in that: The loading box (1) is provided with grooves on both sides, and the interior of the grooves is connected to a conveyor belt (2) for transmission, a placement plate (3) is provided on the surface of the conveyor belt (2), and the spacing between the upper and lower placement plates (3) is equal, a through groove is provided on the back of the loading box (1), and a lifting mechanism (4) is provided inside the through groove, and a feeding groove is provided on the front of the loading box (1), and a feeding mechanism (5) is provided on the surface of the feeding groove; The lifting mechanism (4) comprises a threaded rod (41) rotatably arranged inside the through groove, and a sliding block (42) is threadedly connected to the surface of the threaded rod (41), first electric slide rails (43) are fixedly arranged on both sides of the sliding block (42), and a movable plate (44) is slidably arranged on the surface of the first electric slide rail (43) through a guide block, an adsorption box (45) is movably arranged on the top surface of the movable plate (44), and a plurality of adsorption holes are opened on the top surface of the adsorption box (45), and a negative pressure pump (46) is arranged on the back side of the loading box (1), and the air suction port of the negative pressure pump (46) is connected to the back side of the adsorption box (45) through a pipeline; The feeding mechanism (5) comprises a feeding frame (51) fixedly arranged on the front side of the loading box (1), and a lifting plate (52) is movably arranged inside the feeding frame (51), mounting frames (53) are arranged on both sides of the top surface of the feeding frame (51), and feeding rollers (54) are rotatably arranged inside the mounting frames (53) via connecting rods; The front and back sides of the top of the loading box (1) are both fixedly provided with second electric slide rails (6), and a U-shaped frame (7) is slidably provided between the top surfaces of the two second electric slide rails (6), and a clamping and flipping mechanism (8) is provided on the top surface of the U-shaped frame (7); The clamping and flipping mechanism (8) comprises a U-shaped frame (81), a first double-rod hydraulic cylinder (82) is fixedly provided on one side of the U-shaped frame (81), and clamping plates (83) are fixedly provided on both protruding ends of the first double-rod hydraulic cylinder (82), a limit plate (84) is provided on the top and bottom surfaces of the U-shaped frame (81), a hydraulic cylinder (85) is fixedly provided on the top surface of the U-shaped frame (81), and a driving motor (86) is fixedly provided on the protruding end of the hydraulic cylinder (85), and one end of the output shaft of the driving motor (86) is connected to the drive motor (86) through a coupling. The U-shaped frame (81) is fixedly connected to the other side thereof; a first motor (87) is fixedly arranged inside the U-shaped frame (81); one end of an output shaft of the first motor (87) is fixedly connected to a first gear (88) via a coupling; a second double-rod hydraulic cylinder (89) is rotatably arranged inside the U-shaped frame (81); two protruding ends of the second double-rod hydraulic cylinder (89) are fixedly connected to the surface of a limit plate (84); and a second gear (810) meshing with the first gear (88) is fixedly connected to the surface of the second double-rod hydraulic cylinder (89).

2. A spot welding device for circuit board production according to claim 1, characterized in that: An electric push rod (47) is fixedly provided on the top surface of the movable plate (44), and the extended end of the electric push rod (47) is fixedly connected to the bottom surface of the adsorption box (45).

3. A spot welding device for circuit board production according to claim 1, characterized in that: Longitudinal electric slide rails (56) are fixedly arranged on the front side of the loading box (1) and on both sides of the bottom surface of the feeding trough, and the surface of the lifting plate (52) is slidably connected to the surface of the longitudinal electric slide rails (56) via a protrusion.

4. A spot welding device for circuit board production according to claim 1, characterized in that: A fixing frame (57) is fixedly arranged on the top surface of the installation frame (53); the top end of the connecting rod passes through the installation frame (53) and is rotatably connected to the top of the inner wall of the fixing frame (57); a transmission gear (58) is fixedly connected to the surface of the connecting rod located inside the fixing frame (57); and a chain (55) is transmission-connected to the surface of the transmission gear (58).

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