Welding tool

Abstract

The utility model relates to the technical field of circuit board welding, in particular to a welding tool which comprises a welding platform, and a clamping and positioning mechanism is arranged on the upper side of the welding platform. The clamping and positioning mechanism comprises a mounting groove seat, the mounting groove seat is fixedly mounted on the upper side of the welding platform, a top plate is mounted at the top of the mounting groove seat, four sliding blocks are slidably mounted at the bottom of the top plate and symmetrically distributed along the center of the top plate, and a driving motor is fixedly mounted at the bottom of the inner side of the mounting groove seat. A central gear is fixedly installed at the output end of the driving motor, racks are fixedly installed on the side edge of the sliding block, the four racks are all meshed with the central gear, a clamping plate is installed at the end of the sliding block, a sliding groove is formed in the top plate, and the clamping plate penetrates through the upper side of the sliding groove in a sliding mode. According to the utility model, through the arrangement of the clamping and positioning mechanism, circuit boards with different sizes can be clamped and positioned, so that the circuit boards are firmly positioned and do not deviate in the welding process, and the application range of the circuit board welding machine is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board welding, in particular to a welding tool. Background Art

[0002] A circuit board, also known as a printed circuit board (PCB), is a support that connects electronic components and circuits together. The surface copper foil conductive layer is isolated by the board base insulating material, allowing current to flow through various components along a pre-designed route.

[0003] With reference to the utility model patent with authorization announcement number CN221435434U, a circuit board welding tool is proposed, including: a fixing seat, the fixing seat including a first positioning structure and a second positioning structure; the first positioning structure is used to position and install the circuit board, and the second positioning structure is used to position and install the electronic device; the welding tool is configured so that when the circuit board and the electronic device are positioned and installed on the fixing seat, the pin needles of the electronic device can pass through the through holes on the circuit board. Through the provided circuit board welding tool, the damage to the pin needles of the circuit board and the electronic device with pin needles is avoided when connecting, and the accuracy of the welding position of the two during welding is guaranteed, thereby reducing damage to the circuit board and improving welding efficiency.

[0004] In the welding tool set in the above patent, the placement space set on the placement bin is used to limit the placement of the circuit board. When its size is a fixed value, it cannot be adjusted, and only circuit boards of fixed size can be welded. The actual applicability is poor. For this reason, we propose a welding tool. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to provide a welding tool.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A welding tool comprises a welding platform, and a clamping and positioning mechanism is provided on the upper side of the welding platform; the clamping and positioning mechanism comprises a mounting slot seat, the mounting slot seat is fixedly installed on the upper side of the welding platform, a top plate is installed on the top of the mounting slot seat, four sliders are slidably installed on the bottom of the top plate, and the four sliders are symmetrically distributed along the center position of the top plate, a driving motor is fixedly installed on the bottom inner side of the mounting slot seat, a central gear is fixedly installed on the output end of the driving motor, a rack is fixedly installed on the side of the slider, and the four racks are all meshed with the central gear, a splint is installed on the end of the slider, a slide groove is opened on the top plate, and the splint slides through to the upper side of the slide groove.

[0008] Preferably, positioning bolts are provided at the four corners of the top plate, and the top plate is screwed and mounted on the upper side of the mounting slot.

[0009] Preferably, a sealing corrugated plate is installed on the inner side of the slide groove, and the sealing corrugated plate is in conflict with the side edge of the splint.

[0010] Preferably, a clamping plate is installed on the inner side of the clamping plate, the clamping plate is made of rubber and is provided with transverse anti-slip grooves.

[0011] Preferably, a circuit board is placed on the upper side of the top plate, and the side edge of the circuit board abuts against the clamping plate.

[0012] Preferably, a column is fixedly installed on the upper side of the welding platform, a hook is fixedly connected to the side of the column, and a welding gun is provided on the side of the hook.

[0013] Preferably, a hanging ring is fixedly connected to the upper end of the welding gun, and the hanging ring is hung on the hook.

[0014] Compared with the related art, the welding tool proposed by the present invention has the following beneficial effects:

[0015] In the present invention, a welding tool is described, through the setting of a clamping and positioning mechanism. In the clamping and positioning mechanism, starting the driving motor can drive the center gear to rotate, and then when the center gear rotates, the four racks that are synchronously meshed with the center gear engage and move with each other, and then the racks drive the symmetrically arranged sliders to slide toward each other in pairs, and then the sliders drive the upper clamps to move toward each other. Here, the driving motor drives the clamps to slide toward each other to adjust the function, so that the clamping and positioning mechanism can clamp and position circuit boards of different sizes, so that the circuit boards are firmly positioned during the welding process and do not move, thereby improving the applicability of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the three-dimensional structure of a welding tool proposed in this utility model Figure 1 ;

[0017] Figure 2 A schematic diagram of the three-dimensional structure of a welding tool proposed in this utility model Figure 2 ;

[0018] Figure 3 Schematic diagram of the three-dimensional disassembly of the clamping and positioning mechanism Figure 1 ;

[0019] Figure 4 Schematic diagram of the three-dimensional disassembly of the clamping and positioning mechanism Figure 2 ;

[0020] Figure 5 Schematic diagram of the three-dimensional disassembly of the clamping and positioning mechanism Figure 3 ;

[0021] Figure 6 Schematic diagram of the three-dimensional disassembly of the clamping and positioning mechanism Figure 4 .

[0022] In the figure: 1. Welding platform; 2. Clamping and positioning mechanism; 21. Mounting slot; 22. Top plate; 23. Positioning bolt; 24. Slide; 25. Sealing corrugated plate; 26. Slider; 27. Rack; 28. Clamp; 29. ​​Clamping plate; 210. Drive motor; 211. Center gear; 3. Column; 4. Hook; 5. Welding gun; 6. Circuit board. DETAILED DESCRIPTION

[0023] The present invention will be further described below with reference to the accompanying drawings and implementation examples.

[0024] Reference Figure 1-6 A welding tool: includes a welding platform 1, and a clamping and positioning mechanism 2 is provided on the upper side of the welding platform 1; the clamping and positioning mechanism 2 includes a mounting slot seat 21, the mounting slot seat 21 is fixedly installed on the upper side of the welding platform 1, and a top plate 22 is installed on the top of the mounting slot seat 21, and four sliders 26 are slidably installed on the bottom of the top plate 22, and the four sliders 26 are symmetrically distributed along the center position of the top plate 22, and a driving motor 210 is fixedly installed on the bottom inner side of the mounting slot seat 21, and a central gear 211 is fixedly installed on the output end of the driving motor 210, and a rack 27 is fixedly installed on the side of the slider 26, and the four racks 27 are all meshed with the central gear 211, and a splint 28 is installed on the end of the slider 26, and a slide groove 24 is opened on the top plate 22, and the splint 28 slides through to the upper side of the slide groove 24.

[0025] Through the above-mentioned arrangement, when the driving motor 210 is started, it drives the central gear 211 to rotate, and the central gear 211 is synchronously engaged with the four racks 27 for transmission, and then drives the two symmetrically arranged sliders 26 to slide toward each other through the racks 27, and then the clamping plates 28 on the upper side of the sliders 26 move toward each other, that is, they are synchronously approaching or moving away from each other. This arrangement allows the upper side of the top plate 22 to be used to clamp circuit boards 6 of different sizes for clamping and positioning.

[0026] In this embodiment, positioning bolts 23 are provided at the four corners of the top plate 22 , and the top plate 22 is screwed and mounted on the upper side of the mounting slot 21 .

[0027] Through the above-mentioned arrangement, the top plate 22 is screwed to the upper side of the mounting slot 21, which facilitates the later disassembly of the top plate 22 and the inspection and maintenance of the various driving parts inside the top plate 22, thereby providing convenience for daily inspection and maintenance work and enhancing the practicality of the present invention.

[0028] In this embodiment, a sealing corrugated plate 25 is installed inside the slide groove 24 , and the sealing corrugated plate 25 abuts against the side of the clamping plate 28 .

[0029] Through the above-mentioned arrangement, the sealing corrugated plate 25 is elastic, and its side slides inside the slide groove 24 and its end abuts against the clamping plate 28, so that when the clamping plate 28 slides inside the slide groove 24, the sealing corrugated plate 25 still abuts against the clamping plate 28 through its own elastic adaptive deformation ability, and thus when the clamping plate 28 slides, the inside of the slide groove 24 still maintains sealing, so that the welding slag will be blocked outside by the sealing corrugated plate 25 during welding, thereby improving the protection of the transmission parts inside the mounting groove seat 21.

[0030] In this embodiment, a clamping plate 29 is installed inside the clamping plate 28. The clamping plate 29 is made of rubber and has transverse anti-slip grooves.

[0031] Through the above-mentioned setting, the clamping plate 29 is made of rubber material, and when the clamping plate 29 clamps the circuit board 6, the circuit board 6 has better stability when it is clamped on the inner side of the clamping plate 29. In addition, the transverse anti-slip grooves on the clamping plate 29 increase the roughness of the inner side of the clamping plate 29, further improving the clamping stability of the clamping plate 29.

[0032] In this embodiment, the circuit board 6 is placed on the top side of the top plate 22 , and the side of the circuit board 6 abuts against the clamping plate 29 .

[0033] Through the above arrangement, the top plate 22 provides a clamping and placing platform for the circuit board 6 , and the clamping plate 29 provides a lateral positioning and clamping function for the circuit board 6 .

[0034] In this method, a column 3 is fixedly installed on the upper side of the welding platform 1, a hook 4 is fixedly connected to the side of the column 3, a welding gun 5 is set on the side of the hook 4, and a hanging ring is fixedly connected to the upper end of the welding gun 5, which is hung on the hook 4.

[0035] Through the above arrangement, the welding gun 5 is hung on the hook 4 through the hanging ring fixedly connected at the upper end. The hanging method of the welding gun 5 makes it very convenient to take the welding gun 5 out in daily use.

[0036] The working principle of a welding tool provided by the utility model is as follows:

[0037] When in use, the circuit board 6 is placed on the upper side of the top plate 22, and the drive motor 210 is subsequently started to rotate, and the drive motor 210 is used to drive the central gear 211 to rotate, and the central gear 211 is synchronously meshed with the four racks 27 for transmission, and then the racks 27 drive the two opposing sliders 26 to slide inwards, and then the clamping plates 28 located on the upper sides of the ends of the sliders 26 slide inwards synchronously, driving the clamping plates 29 inside the clamping plates 28 to clamp the circuit board 6 placed on the upper side of the top plate 22. After the clamping is stable, the drive motor 210 stops driving, so that the clamping plates 29 stabilize the circuit board 6. After fixed positioning and clamping, the welding gun 5 is removed from the hook 4 to weld the circuit board 6. After welding is completed, the drive motor 210 is started to rotate in the opposite direction, thereby driving the clamping plate 29 to move synchronously outward, thereby loosening the circuit board 6 on the upper side of the top plate 22. The welded circuit board 6 can be removed from the upper side of the top plate 22. The above is the working principle of the present invention. The present invention can clamp and position circuit boards 6 of different sizes through the clamping and positioning mechanism 2, so that the circuit board 6 is firmly positioned during the welding process, thereby improving the scope of application of the present invention.

[0038] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A welding tool, characterized in that: It comprises a welding platform (1), wherein a clamping and positioning mechanism (2) is provided on the upper side of the welding platform (1); The clamping and positioning mechanism (2) includes a mounting slot seat (21), the mounting slot seat (21) is fixedly mounted on the upper side of the welding platform (1), a top plate (22) is mounted on the top of the mounting slot seat (21), four sliders (26) are slidably mounted on the bottom of the top plate (22), and the four sliders (26) are symmetrically distributed along the center position of the top plate (22), a driving motor (210) is fixedly mounted on the bottom inner side of the mounting slot seat (21), a central gear (211) is fixedly mounted on the output end of the driving motor (210), a rack (27) is fixedly mounted on the side of the slider (26), and the four racks (27) are all engaged with the central gear (211), a clamping plate (28) is mounted on the end of the slider (26), a sliding groove (24) is opened on the top plate (22), and the clamping plate (28) slides through to the upper side of the sliding groove (24).

2. A welding tool according to claim 1, characterized in that: Positioning bolts (23) are provided at the four corners of the top plate (22), and the top plate (22) is screwed and installed on the upper side of the mounting slot seat (21).

3. A welding tool according to claim 1, characterized in that: A sealing corrugated plate (25) is installed inside the slide groove (24), and the sealing corrugated plate (25) is in conflict with the side of the clamping plate (28).

4. A welding tool according to claim 1, characterized in that: A clamping plate (29) is installed on the inner side of the clamping plate (28). The clamping plate (29) is made of rubber and is provided with transverse anti-slip grooves.

5. The welding tool according to claim 1, characterized in that: A circuit board (6) is placed on the upper side of the top plate (22), and the side edge of the circuit board (6) is in contact with the clamping plate (29).

6. The welding tool according to claim 1, characterized in that: A column (3) is fixedly installed on the upper side of the welding platform (1), a hook (4) is fixedly connected to the side of the column (3), and a welding gun (5) is provided on the side of the hook (4).

7. A welding tool according to claim 6, characterized in that: The upper end of the welding gun (5) is fixedly connected with a hanging ring, and the hanging ring is hung on the hook (4).

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