Circuit board double-sided spot welding equipment

Abstract

The utility model discloses circuit board double-sided spot welding equipment, which relates to the technical field of circuit board spot welding, and comprises a protective shell, a transmission component is connected onto the protective shell, a feeding component is connected onto one side of the protective shell, a welding component is arranged in the protective shell, and a first extension box and a second extension box are fixedly communicated with two sides of the protective shell. The welding assembly comprises a second electric telescopic rod, the second electric telescopic rod is fixedly connected to the top of the inner wall of the protective shell, a second lead screw is in threaded connection with the second electric telescopic rod, and a connecting plate is fixedly connected to the bottom of the second electric telescopic rod; the bottom of the side, away from the second electric telescopic rod, of the connecting plate is fixedly connected with a second ventilation pipe, the side, away from the connecting plate, of the second ventilation pipe fixedly communicates with a second adsorption block, by using a mold, the problem that in the background technology, the possibility of welding errors or failures is large is solved, and the welding device is simple in structure, convenient to use and practical.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board spot welding, in particular to a circuit board double-sided spot welding device. Background Art

[0002] In the process of electronic product manufacturing, circuit boards, as carriers of electronic devices, carry the basic functions and performance of circuits. Therefore, the quality of welding process has a very important impact on the stability, reliability and durability of electronic products. Circuit board double-sided spot welding equipment can perform welding operations on both sides of the circuit board at the same time, greatly improving production efficiency and welding quality. It can achieve high-precision, high-speed and high-quality welding, and is suitable for various complex electronic circuit board manufacturing processes, including the manufacture of mobile phones, computers, tablets and other electronic products.

[0003] Prior art CN208945344U proposes a double-sided spot welding device for a circuit board. The double-sided spot welding device for a circuit board can, on the one hand, perform spot welding operations on multiple circuit boards on a material strip, and on the other hand, can perform spot welding operations on the two surfaces of each circuit board.

[0004] Although this technology has achieved double-sided spot welding of circuit boards to a certain extent, which saves time, it is difficult to ensure the consistency of the positioning and clamping positions of each circuit board during spot welding, and the possibility of welding errors or failures is relatively high. This technology does not propose how to improve the consistency of the positioning welding position, which is not practical enough. Utility Model Content

[0005] The utility model aims to provide a circuit board double-sided spot welding device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides a double-sided spot welding device for a circuit board, comprising: a protective shell, a transmission assembly is connected to the protective shell, a feeding assembly is connected to one side of the protective shell, a welding assembly is arranged inside the protective shell, a first extension box and a second extension box are fixedly connected to both sides of the protective shell, a heating lamp is installed in the first extension box, a second conveyor belt is installed inside the first extension box, and a mold body is arranged on the second conveyor belt;

[0007] The welding assembly includes a second electric telescopic rod, the second electric telescopic rod is fixedly connected to the top of the inner wall of the protective shell, a second screw is threadedly connected to the second electric telescopic rod, a connecting plate is fixedly connected to the bottom of the second electric telescopic rod, a second ventilation pipe is fixedly connected to the bottom of the connecting plate on a side away from the second electric telescopic rod, and a second adsorption block is fixedly connected to the side of the second ventilation pipe away from the connecting plate;

[0008] The transmission assembly includes a first conveyor belt, a first electric telescopic rod is fixedly connected to the first conveyor belt, a third motor is fixedly connected to the top of the first electric telescopic rod, a rotating shaft is fixedly connected to the third motor, and a magnet fixing frame is fixedly connected to the rotating shaft.

[0009] Preferably, the second adsorption block is provided with an adsorption port, the adsorption port on the second adsorption block is made of ceramic material, one side of the second screw rod is fixedly connected to the second motor, the end of the second screw rod away from the second motor is rotatably connected to the second bearing, and the second bearing and the second motor are both fixedly connected inside the protective shell.

[0010] By adopting the above technical solution, a screw rod is provided to facilitate the movement of the first electric telescopic rod, so that it can adsorb the mold. By setting the adsorption port on the second adsorption block to a ceramic structure, it can still work normally under high temperature conditions.

[0011] Preferably, adsorption components are fixedly connected to both sides of the protective shell, and the adsorption components include a vacuum bottle, a rubber piston is slidably connected inside the vacuum bottle, a third electric telescopic rod is fixedly connected to the top of the rubber piston, and the third electric telescopic rod is fixedly connected to the vacuum bottle.

[0012] By adopting the above technical solution and providing an adsorption device, it is convenient to realize the air pressure difference, and it is convenient for the adsorption block to adsorb the raw materials and the mold.

[0013] Preferably, the feeding assembly includes a discharge box, a connecting block is fixedly connected to one side of the discharge box close to the protective shell, a fourth electric telescopic rod is fixedly connected to the bottom of the connecting block, an installation groove is opened on the protective shell, and the fourth electric telescopic rod is fixedly connected inside the installation groove.

[0014] By adopting the above technical solution, a material discharge box is provided and the materials are fed by a machine, so as to avoid manual discharge and the placement of each raw material in a different position, which affects the subsequent welding.

[0015] Preferably, a sliding groove is provided on the protective shell, a first motor is fixedly connected in the sliding groove on the protective shell, a first screw rod is fixedly connected to the first motor, a first bearing is rotatably connected to the side of the first screw rod away from the first motor, the first bearing is fixedly connected to the inside of the sliding groove, a sliding block is threadedly connected to the first screw rod, a first ventilation pipe is fixedly connected to the sliding block, and the first ventilation pipe is fixedly connected to the first adsorption block.

[0016] By adopting the above technical solution, the first adsorption block is provided to facilitate the adsorption of the mold.

[0017] Preferably, four gas extraction bottles are provided in total, and the four gas extraction bottles are all fixedly connected with gas supply pipes, and the sides of the gas supply pipes away from the gas extraction bottles are respectively fixedly connected to the first ventilation pipe and the second ventilation pipe.

[0018] By adopting the above technical solution, an air supply pipe is arranged to be fixedly connected to the ventilation pipe, so that it is convenient for the raw material and the mold to be adsorbed.

[0019] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art:

[0020] 1. In the utility model, a welding assembly is provided. When in use, the heating lamp is first started, and the heating lamp heats the inside of the first extension box. Then, the second motor is started, and the second motor electrically drives the second screw rod to rotate, driving the second electric telescopic rod to move to a suitable position. The second electric telescopic rod is started, and the second electric telescopic rod drives the connecting plate to move downward, so that the second adsorption block contacts the surface of the mold body and adsorbs the mold body. The second motor is started again, and the mold body is driven onto the first conveyor belt. The mold is repeatedly moved back and forth on the first extension box and the first conveyor belt to preheat the mold. After preheating to a suitable temperature, the raw material is placed on the magnet fixing frame through the first ventilation pipe, and the first conveyor belt is started. The first conveyor belt transports the raw material to the inside of the protective shell. The second electric telescopic rod is started again so that the second adsorption block places the mold body on the raw material, completing the welding of one side. Then, the first electric telescopic rod is started, and the first electric telescopic rod drives the magnet fixing frame to lift. Then the third motor is started, and the electric rotating shaft of the third motor rotates, so that the magnet fixing frame is flipped, and then it continues to transmit on the first conveyor belt and the second adsorption block on the rear side attaches the mold body to the back of the raw material to complete the double-sided welding. By using the mold, the positioning and clamping position of each circuit board are ensured to be consistent, thereby achieving precise alignment of the solder joints, improving the welding quality and stability, and reducing the possibility of welding errors or failures, solving the problem of high possibility of welding errors or failures in the background technology, and having a simple structure, which is convenient and practical.

[0021] 2. In the utility model, a feeding assembly is provided. After preheating is completed, the fourth electric telescopic rod is started, and the fourth electric telescopic rod drives the connecting block to lift, so that the first adsorption block can adsorb the raw material, and then the first motor is started. The first motor then drives the first electric screw to rotate, driving the sliding block to move, and the sliding block then drives the first ventilation pipe to move and place the raw material on the first conveyor belt. The machine discharge method is adopted to avoid direct manual discharge, reduce errors, and avoid the problem of welding position deviation caused by discharge position deviation. The structure is simple, convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The figure is a schematic diagram of the overall structure of a double-sided spot welding device for a circuit board.

[0023] Figure 2 The figure is a schematic diagram of the position of the feeding components of a double-sided spot welding device for a circuit board.

[0024] Figure 3 The figure is a schematic diagram of welding components of a double-sided spot welding device for a circuit board.

[0025] Figure 4 The figure is a schematic diagram of the position of the second electric telescopic rod of a circuit board double-sided spot welding device.

[0026] Figure 5 This is a schematic diagram of the position of the rubber piston in a double-sided spot welding device for a circuit board.

[0027] Figure 6 This is a schematic diagram of the mold position in a double-sided spot welding device for a circuit board.

[0028] Figure 7 This is a schematic diagram of the position of the heating lamp in a double-sided spot welding device for a circuit board.

[0029] Numbers in the figure: 1. protective shell; 12. first extension box; 13. second extension box; 14. heating lamp; 2. transmission assembly; 21. first electric telescopic rod; 22. third motor; 23. magnet fixing frame; 24. first conveyor belt; 25. rotating shaft; 3. feeding assembly; 31. discharge box; 32. first ventilation pipe; 33. first motor; 34. first screw rod; 35. first bearing; 36. connecting block; 37. fourth electric telescopic rod; 38. first adsorption block; 4. welding assembly; 41. second electric telescopic rod; 42. second motor; 43. second screw rod; 44. second bearing; 45. connecting plate; 46. second ventilation pipe; 47. second adsorption block; 5. adsorption assembly; 51. third electric telescopic rod; 52. vacuum bottle; 53. rubber piston; 6. air pipe; 7. second conveyor belt; 8. mold body; 9. sliding block. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Embodiment 1

[0032] like Figure 1-Figure 7As shown, a double-sided spot welding device for a circuit board comprises a protective shell 1, a transmission assembly 2 is connected to the protective shell 1, a feeding assembly 3 is connected to one side of the protective shell 1, a welding assembly 4 is arranged inside the protective shell 1, a first extension box 12 and a second extension box 13 are fixedly connected at both sides of the protective shell 1, a heating lamp 14 is installed in the first extension box 12, a second conveyor belt 7 is installed in the first extension box 12, and a mold body 8 is arranged on the second conveyor belt 7;

[0033] The welding assembly 4 includes a second electric telescopic rod 41, which is fixedly connected to the top of the inner wall of the protective shell 1, and a second screw rod 43 is threadedly connected to the second electric telescopic rod 41. A connecting plate 45 is fixedly connected to the bottom of the second electric telescopic rod 41, and a second ventilation pipe 46 is fixedly connected to the bottom of the connecting plate 45 on a side away from the second electric telescopic rod 41, and a second adsorption block 47 is fixedly connected to the side of the second ventilation pipe 46 away from the connecting plate 45;

[0034] The transmission assembly 2 includes a first conveyor belt 24, a first electric telescopic rod 21 is fixedly connected to the first conveyor belt 24, a third motor 22 is fixedly connected to the top of the first electric telescopic rod 21, a rotating shaft 25 is fixedly connected to the third motor 22, and a magnet fixing frame 23 is fixedly connected to the rotating shaft 25.

[0035] Embodiment 2

[0036] like Figure 1-Figure 7 As shown, the second adsorption block 47 is provided with an adsorption port, and the adsorption port on the second adsorption block 47 is made of ceramic material. One side of the second screw rod 43 is fixedly connected to the second motor 42, and the end of the second screw rod 43 away from the second motor 42 is rotatably connected to the second bearing 44, and the second bearing 44 and the second motor 42 are both fixedly connected to the inside of the protective shell 1. By providing a screw rod, it is convenient to drive the first electric telescopic rod 21 to move, so that it is convenient for it to adsorb the mold. By setting the adsorption port on the second adsorption block 47 as a ceramic structure, it can still work normally under high temperature conditions.

[0037] The two sides of the protective shell 1 are fixedly connected with adsorption components 5, and the adsorption components 5 include a vacuum bottle 52, and a rubber piston 53 is slidably connected inside the vacuum bottle 52. The top of the rubber piston 53 is fixedly connected with a third electric telescopic rod 51, and the third electric telescopic rod 51 is fixedly connected to the vacuum bottle 52. By providing an adsorption device, it is convenient to realize the air pressure difference, so that the adsorption block can adsorb raw materials and molds.

[0038] The feeding assembly 3 includes a discharge box 31, a connecting block 36 is fixedly connected to one side of the discharge box 31 close to the protective shell 1, a fourth electric telescopic rod 37 is fixedly connected to the bottom of the connecting block 36, a mounting groove is provided on the protective shell 1, and the fourth electric telescopic rod 37 is fixedly connected inside the mounting groove. By providing the discharge box 31 and feeding by machine, it is avoided that the positions of each raw material are different due to manual discharge, which affects subsequent welding.

[0039] The protective shell 1 is provided with a sliding groove, in which a first motor 33 is fixedly connected, and a first screw rod 34 is fixedly connected to the first motor 33. A first bearing 35 is rotatably connected to the first screw rod 34 on a side away from the first motor 33, and the first bearing 35 is fixedly connected to the inside of the sliding groove. A sliding block 9 is threadedly connected to the first screw rod 34, and a first ventilation pipe 32 is fixedly connected to the sliding block 9. The first ventilation pipe 32 is fixedly connected to a first adsorption block 38. The first adsorption block 38 is provided to facilitate the adsorption of the mold.

[0040] There are four vacuum bottles 52 in total, and each of the four vacuum bottles 52 is fixedly connected with an air supply pipe 6. The air supply pipe 6 is fixedly connected to the first ventilation pipe 32 and the second ventilation pipe 46 on the side away from the vacuum bottle 52. By setting the air supply pipe 6 fixedly connected to the ventilation pipe, it is convenient for it to adsorb the raw materials and the mold.

[0041] Working principle: Figure 1-Figure 7As shown, when in use, first start the heating lamp 14, the heating lamp 14 heats the inside of the first extension box 12, then start the second motor 42, the second motor 42 drives the second screw rod 43 to rotate, drive the second electric telescopic rod 41 to move to a suitable position, start the second electric telescopic rod 41, the second electric telescopic rod 41 drives the connecting plate 45 to move downward, then start the third electric telescopic rod 51, the third electric telescopic rod 51 drives the rubber piston 53 to slide in the vacuum bottle 52, create an air pressure difference, so that the second adsorption block 47 contacts the surface of the mold body 8 and adsorbs the mold body 8, start the second motor 42 again, drive the mold body 8 to the first conveyor belt 24, repeat the mold back and forth on the first extension box 12 and the first conveyor belt 24 to preheat the mold, after preheating is completed, start the fourth electric telescopic rod 51. Rod 37, the fourth electric telescopic rod 37 drives the connecting block 36 to lift up, so that the first adsorption block 38 can be adsorbed to the raw material, and then the first motor 33 is started, and the first motor 33 then electrically drives the first screw rod 34 to rotate, driving the sliding block 9 to move, and the sliding block 9 then drives the first ventilation pipe 32 to move and place the raw material on the first conveyor belt 24. The machine discharge method is adopted to avoid direct manual discharge. After preheating to a suitable temperature, the raw material is placed on the magnet fixing frame 23 through the first ventilation pipe 32, and the first conveyor belt 24 is started. The first conveyor belt 24 transports the raw material to the inside of the protective shell 1, and the second electric telescopic rod 41 is started again so that the second adsorption block 47 places the mold body 8 on the raw material to complete the welding of one side. After that, the first electric telescopic rod 21 is started, and the first electric telescopic rod 21 drives the magnet fixing frame 23 to lift up. Restart the third motor 22, the electric rotating shaft 25 of the third motor 22 rotates, so that the magnet fixing frame 23 is flipped, and then continues to transmit on the first conveyor belt 24 and the second adsorption block 47 on the rear side attaches the mold body 8 to the back of the raw material to complete double-sided welding. The flexible mold system can adapt to circuit boards of different specifications and shapes. By replacing appropriate molds, circuit boards of various sizes and types can be processed, improving the versatility and adaptability of the equipment. The use of molds can make the entire welding process faster and more efficient. Through automatic loading and unloading, as well as fast clamping and positioning, the welding cycle time can be reduced, and production efficiency can be improved. The structure is simple, convenient and practical.

[0042] The above is only a preferred embodiment of the present invention, and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with this patent can make some changes or modifications to equivalent embodiments of equivalent changes using the technical content suggested above without departing from the scope of the technical solution of the present invention. The implementation schemes in the above embodiments can also be further combined or replaced. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the present invention.

Claims

1. A double-sided spot welding device for a circuit board, characterized in that: The protective shell (1) comprises a protective shell (1), a transmission assembly (2) is connected to the protective shell (1), a feeding assembly (3) is connected to one side of the protective shell (1), a welding assembly (4) is arranged inside the protective shell (1), a first extension box (12) and a second extension box (13) are fixedly connected on both sides of the protective shell (1), a heating lamp (14) is installed in the first extension box (12), a second conveyor belt (7) is installed in the first extension box (12), and a mold body (8) is arranged on the second conveyor belt (7); The welding assembly (4) comprises a second electric telescopic rod (41), the second electric telescopic rod (41) is fixedly connected to the top of the inner wall of the protective shell (1), a second screw rod (43) is threadedly connected to the second electric telescopic rod (41), a connecting plate (45) is fixedly connected to the bottom of the second electric telescopic rod (41), a second ventilation pipe (46) is fixedly connected to the bottom of the connecting plate (45) on a side away from the second electric telescopic rod (41), and a second adsorption block (47) is fixedly connected to the side of the second ventilation pipe (46) away from the connecting plate (45); The transmission assembly (2) comprises a first conveyor belt (24), a first electric telescopic rod (21) is fixedly connected to the first conveyor belt (24), a third motor (22) is fixedly connected to the top of the first electric telescopic rod (21), a rotating shaft (25) is fixedly connected to the third motor (22), and a magnet fixing frame (23) is fixedly connected to the rotating shaft (25).

2. A circuit board double-sided spot welding device according to claim 1, characterized in that: The second adsorption block (47) is provided with an adsorption port, the adsorption port on the second adsorption block (47) is made of ceramic material, one side of the second screw rod (43) is fixedly connected to the second motor (42), one end of the second screw rod (43) away from the second motor (42) is rotatably connected to the second bearing (44), and the second bearing (44) and the second motor (42) are both fixedly connected inside the protective shell (1).

3. A circuit board double-sided spot welding device according to claim 1, characterized in that: Adsorption components (5) are fixedly connected to both sides of the protective shell (1), and the adsorption component (5) includes a vacuum bottle (52). A rubber piston (53) is slidably connected inside the vacuum bottle (52), and a third electric telescopic rod (51) is fixedly connected to the top of the rubber piston (53). The third electric telescopic rod (51) is fixedly connected to the vacuum bottle (52).

4. A circuit board double-sided spot welding device according to claim 1, characterized in that: The feeding assembly (3) comprises a discharge box (31), a connecting block (36) is fixedly connected to one side of the discharge box (31) close to the protective shell (1), a fourth electric telescopic rod (37) is fixedly connected to the bottom of the connecting block (36), a mounting groove is provided on the protective shell (1), and the fourth electric telescopic rod (37) is fixedly connected inside the mounting groove.

5. A circuit board double-sided spot welding device according to claim 4, characterized in that: The protective shell (1) is provided with a sliding groove, a first motor (33) is fixedly connected in the sliding groove on the protective shell (1), a first screw rod (34) is fixedly connected to the first motor (33), a first bearing (35) is rotatably connected to the side of the first screw rod (34) away from the first motor (33), the first bearing (35) is fixedly connected inside the sliding groove, a sliding block (9) is threadedly connected to the first screw rod (34), a first ventilation pipe (32) is fixedly connected to the sliding block (9), and a first adsorption block (38) is fixedly connected to the first ventilation pipe (32).

6. A circuit board double-sided spot welding device according to claim 3, characterized in that: A total of four gas extraction bottles (52) are provided, and each of the four gas extraction bottles (52) is fixedly connected to a gas supply pipe (6). The side of the gas supply pipe (6) away from the gas extraction bottle (52) is fixedly connected to the first ventilation pipe (32) and the second ventilation pipe (46), respectively.

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