Circuit board welding positioning tool

Abstract

The utility model discloses a circuit board welding positioning tool, which relates to the technical field of welding tools, and comprises a base, a first lead screw component, a second lead screw component, a top block component, a motor and a hand wheel, and two sliding clamping rods are arranged at two ends of the top of the base; a plurality of compression springs are evenly arranged on the sides, close to each other, of the two sliding clamping rods at intervals, and pull rod components are arranged on the other sides of the sliding clamping rods. A second lead screw part is arranged at the bottom of the first lead screw part; a plurality of supporting nails are arranged at the top of the top block component; two connecting rods are arranged at the two ends of the top of the second lead screw part; clamping plates are arranged on the sides, close to each other, of the compression springs on the two sides; v-shaped clamping pads are arranged on the sides, close to each other, of the clamping plates on the two sides. By means of the structure, after welding is completed, a clamp can be prevented from being adjusted, a welded circuit board can be easily taken down, a new circuit board is fixed, work efficiency is effectively improved, abrasion of adjusting components is reduced, and the service life is prolonged.

Description

Technical Field

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

[0002] Circuit board, also known as printed circuit board or printed circuit board, is an important electronic component. Circuit board is mainly composed of pads, vias, mounting holes, wires, components, connectors, filling, electrical boundaries, etc. In the production process of circuit board, it will go through the stages of design, plate making, printing, molding, welding and assembly. In the welding process, it is usually necessary to use circuit board welding positioning tooling to fix the circuit board for easy welding.

[0003] Existing circuit board welding positioning tools all use adjustable clamps to clamp and fix the circuit board. After the welding work is completed, the clamp needs to be adjusted to remove the circuit board, and then the clamp needs to be adjusted again to clamp the new circuit board. This working method will waste a lot of time and reduce work efficiency when a large number of circuit boards need to be welded. In addition, a large amount of movement will cause wear on the adjustment parts and reduce their service life. Therefore, we propose a circuit board welding positioning tool to solve the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to provide a circuit board welding positioning tool to solve the problem that the existing circuit board welding positioning tool proposed in the above background technology all adopts an adjustable clamp to clamp and fix the circuit board. After welding, the clamp needs to be adjusted to remove the circuit board, and then the clamp needs to be readjusted to clamp the new circuit board. This repeated adjustment of the clamp to clamp the circuit board will waste a lot of time and reduce work efficiency. In addition, a large amount of movement will cause wear to the adjustment components, thereby reducing the service life.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A circuit board welding positioning tool comprises a base, two sliding clamping rods are arranged at both ends of the top of the base, a first screw component is arranged at the bottom of the base, two top block components are arranged on both sides inside the base, a plurality of compression springs are evenly arranged on one side of the two sliding clamping rods close to each other, a pull rod component is arranged on the other side of the sliding clamping rod, a second screw component is arranged at the bottom of the first screw component, and the first screw component and the second screw component are arranged perpendicular to each other, a motor is arranged at one end of the first screw component, a plurality of supporting nails are evenly arranged on the top of the top block component, a hand wheel is arranged at one end of the second screw component, two connecting rods are arranged at both ends of the top of the second screw component, a clamping plate is arranged on one side of the compression springs close to each other, and a V-shaped clamping pad is arranged on one side of the clamping plates close to each other.

[0007] Furthermore, two limit holes are symmetrically arranged on both sides of the top of the base, a rectangular groove is arranged between the two limit holes, and two rectangular holes are symmetrically arranged between the rectangular groove and the limit holes. The sliding clamping rod includes a clamping rod, a limit pin and a rectangular slider. Only two limit pins are arranged at both ends of the bottom of the clamping rod, and a rectangular slider is arranged on one side where the two limit pins are close to each other. The limit pin is fixedly connected to the clamping rod, and the limit pin is slidably connected inside the limit hole. The rectangular slider is fixedly connected to the clamping rod, and the rectangular slider is slidably connected inside the rectangular groove.

[0008] Furthermore, one end of the compression spring is fixedly connected to the clamping rod, and the other end of the compression spring is fixedly connected to the clamping plate. The pull rod component includes a pull rod and a sliding rod. The pull rod is fixedly connected to the sliding rod. One end of the sliding rod passes through the clamping rod and is fixedly connected to the clamping plate. The sliding rod is slidably connected inside the clamping rod, and the V-shaped clamping pad is fixedly connected to the clamping plate.

[0009] Furthermore, the first screw component includes a first screw, a first fixed seat and a first rotating block, two first fixed seats are provided at both ends of the first screw, one end of the first screw passes through the first fixed seat and is fixedly connected to the motor drive shaft, two first rotating blocks are provided on one side close to each other, the first fixed seat is rotatably connected to the first screw, the first fixed seat is fixedly connected to the bottom of the base, the two first rotating blocks are rotatably connected to both ends of the first screw, the top of the first rotating block is fixedly connected to the rectangular slider, and the motor is fixedly connected to the first fixed seat.

[0010] Furthermore, the second screw component includes a second screw, a second fixed seat and a second rotating block, two second fixed seats are provided at both ends of the second screw, one end of the second screw passes through the second fixed seat and is fixedly connected to the handwheel, two second rotating blocks are provided on one side close to each other, the second fixed seat is rotatably connected to the second screw, the second fixed seat is fixedly connected to the bottom of the base, the two second rotating blocks are rotatably connected to both ends of the second screw, and the top of the second rotating block is rotatably connected to the connecting rod.

[0011] Furthermore, the top block component includes a top plate, a limit block, a support plate and a connecting rod rotating block. A plurality of limit blocks are symmetrically arranged at intervals on the bottom of the top plate. The top plate is fixedly connected to the limit block. A support plate is arranged at the bottom of the limit block. The bottom of the limit block is fixedly connected to the support plate. A connecting rod rotating block is arranged at the bottom of the support plate. The support plate is fixedly connected to the connecting rod rotating block. The connecting rod rotating block is rotatably connected to the connecting rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model is provided with a base, two sliding clamping rods are provided at both ends of the top of the base, a plurality of compression springs are evenly spaced on one side of the two sliding clamping rods close to each other, a pull rod component is provided on the other side of the sliding clamping rod, a clamping plate is provided on one side of the compression springs close to each other, and a V-shaped clamping pad is provided on one side of the clamping plates close to each other. In this process, the circuit board is clamped by the V-shaped clamping pads on the clamping plates on both sides, and after welding is completed, the clamping plate on one side is driven by pulling the pull rod component, so that the V-shaped clamping pad releases the circuit board, so that a new circuit board is replaced and welded, which can avoid adjusting the clamp, quickly replace the circuit board, and improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the bottom installation structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the installation structure of the sliding clamp rod of the utility model;

[0017] Figure 4 This is a schematic diagram of the installation structure of the top block component of the utility model;

[0018] 1. Base; 101. Limiting hole; 102. Rectangular groove; 103. Rectangular hole; 2. Sliding clamping rod; 201. Clamping rod; 202. Limiting pin; 203. Rectangular slider; 3. First lead screw component; 301. First lead screw; 302. First fixed seat; 303. First rotating block; 4. Top block component; 401. Top plate; 402. Limiting block; 403. Support plate; 404. Connecting rod rotating block; 5. Compression spring; 6. Pull rod component; 601. Pull rod; 602. Sliding rod; 7. Second lead screw component; 701. Second lead screw; 702. Second fixed seat; 703. Second rotating block; 8. Motor; 9. Support nail; 10. Hand wheel; 11. Connecting rod; 12. Clamping plate; 13. V-shaped clamping pad. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-Figure 4The utility model provides a technical solution: a circuit board welding positioning tool, including a base 1, two sliding clamping rods 2 are arranged at both ends of the top of the base 1, a first screw component 3 is arranged at the bottom of the base 1, two top block components 4 are arranged on both sides of the base 1, a plurality of compression springs 5 ​​are evenly arranged on one side of the two sliding clamping rods 2 close to each other, a pull rod component 6 is arranged on the other side of the sliding clamping rod 2, a second screw component 7 is arranged at the bottom of the first screw component 3, and the first screw component 3 and the second screw component 7 are arranged perpendicular to each other, a motor 8 is arranged at one end of the first screw component 3, a plurality of support nails 9 are evenly arranged on the top of the top block component 4, a hand wheel 10 is arranged at one end of the second screw component 7, two connecting rods 11 are arranged at both ends of the top of the second screw component 7, a clamping plate 12 is arranged on one side of the compression springs 5 ​​close to each other on both sides, and a V-shaped clamping pad 13 is arranged on one side of the clamping plates 12 close to each other on both sides. In this example, by setting the V-shaped clamping pad 13, the circuit board can be better clamped and fixed for easy welding.

[0021] Two limiting holes 101 are symmetrically arranged on both sides of the top of the base 1, a rectangular groove 102 is arranged between the two limiting holes 101, and two rectangular holes 103 are symmetrically arranged between the rectangular groove 102 and the limiting hole 101. The sliding clamping rod 2 includes a clamping rod 201, a limiting pin 202 and a rectangular slider 203. Only two limiting pins 202 are arranged at both ends of the bottom of the clamping rod 201, and a rectangular slider 203 is arranged on one side close to the two limiting pins 202. The limiting pin 202 is fixedly connected to the clamping rod 201, and the limiting pin 202 is slidably connected inside the limiting hole 101. The rectangular slider 203 is fixedly connected to the clamping rod 201, and the rectangular slider 203 is slidably connected inside the rectangular groove 102. In this example, the limiting pin 202 and the rectangular slider 203 can make the clamping rod 201 move smoothly on the top of the base 1, which is conducive to clamping the circuit board.

[0022] One end of the compression spring 5 is fixedly connected to the clamping rod 201, and the other end of the compression spring 5 is fixedly connected to the clamping plate 12. The pull rod component 6 includes a pull rod 601 and a sliding rod 602. The pull rod 601 is fixedly connected to the sliding rod 602. One end of the sliding rod 602 passes through the clamping rod 201 and is fixedly connected to the clamping plate 12. The sliding rod 602 is slidably connected inside the clamping rod 201, and the V-shaped clamping pad 13 is fixedly connected to the clamping plate 12. In this example, by providing the compression spring 5, when the V-shaped clamping pad 13 on the clamping plate 12 clamps the circuit board, it will not be over-clamped to cause the circuit board to bend.

[0023] The first screw component 3 includes a first screw 301, a first fixed seat 302 and a first rotating block 303. Two first fixed seats 302 are arranged at both ends of the first screw 301. One end of the first screw 301 passes through the first fixed seat 302 and is fixedly connected to the transmission shaft of the motor 8. Two first rotating blocks 303 are arranged on one side of the two first fixed seats 302 close to each other. The first fixed seat 302 is rotatably connected to the first screw 301. The first fixed seat 302 is fixedly connected to the bottom of the base 1. The two first rotating blocks 303 are rotatably connected to both ends of the first screw 301. The top of the first rotating block 303 is fixedly connected to the rectangular slider 203. The motor 8 is fixedly connected to the first fixed seat 302. In this example, the first screw 301 is driven to rotate by the motor 8, thereby driving the first rotating blocks 303 at both ends to move, and further driving the sliding clamping rod 2 to clamp the circuit board.

[0024] The second lead screw component 7 includes a second lead screw 701, a second fixed seat 702 and a second rotating block 703. Two second fixed seats 702 are arranged at both ends of the second lead screw 701. One end of the second lead screw 701 passes through the second fixed seat 702 and is fixedly connected to the hand wheel 10. Two second rotating blocks 703 are arranged on one side of the two second fixed seats 702 close to each other. The second fixed seat 702 is rotatably connected to the second lead screw 701. The second fixed seat 702 is fixedly connected to the bottom of the base 1. The two second rotating blocks 703 are rotatably connected to both ends of the second lead screw 701. The top of the second rotating block 703 is rotatably connected to the connecting rod 11. In this example, by rotating the hand wheel 10, the second lead screw 701 is driven, and then the second rotating blocks 703 at both ends are driven, and the connecting rod 11 is further driven to lift the top block component 4, and finally support the circuit board for easy welding.

[0025] The top block component 4 includes a top plate 401, a limit block 402, a support plate 403 and a connecting rod rotating block 404. A plurality of limit blocks 402 are symmetrically arranged at the bottom of the top plate 401. The top plate 401 is fixedly connected to the limit blocks 402. A support plate 403 is arranged at the bottom of the limit block 402. The bottom of the limit block 402 is fixedly connected to the support plate 403. A connecting rod rotating block 404 is arranged at the bottom of the support plate 403. The support plate 403 is fixedly connected to the connecting rod rotating block 404. The connecting rod rotating block 404 is rotatably connected to the connecting rod 11. In this example, the limit blocks 402 are arranged so that the top block component 4 can slide in the rectangular hole 103.

[0026] Working principle: Place the circuit board on the base 1, turn the hand wheel 10 to drive the second lead screw 701, and then drive the second rotating block 703, further pull the connecting rod 11, so that the top block component 4 rises, and the support nail 9 lifts the circuit board, and drives the first lead screw 301 through the motor 8, and then drives the first rotating block 303, and further drives the rectangular slider 203, so that the clamping rod 201 moves, and the V-shaped clamping pad 13 on the clamping plate 12 clamps the circuit board. After welding is completed, pull the pull rod 601 to drive the sliding rod 602 to slide inside the clamping rod 201, so that the compression spring 5 is compressed, the clamping plate 12 moves backward, and the V-shaped clamping pad 13 releases the circuit board, and then the circuit board is taken out, replaced with a new circuit board, and then welding is performed.

[0027] 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 circuit board welding positioning tool, characterized in that: The invention comprises a base (1), wherein two sliding clamping rods (2) are arranged at both ends of the top of the base (1), a first screw component (3) is arranged at the bottom of the base (1), two top block components (4) are arranged at both sides inside the base (1), a plurality of compression springs (5) are evenly arranged at one side where the two sliding clamping rods (2) are close to each other, a pull rod component (6) is arranged at the other side of the sliding clamping rod (2), a second screw component (7) is arranged at the bottom of the first screw component (3), and the first screw component (3) and the second screw component (7) are arranged perpendicular to each other, a motor (8) is arranged at one end of the first screw component (3), a plurality of support pins (9) are evenly arranged at the top of the top block component (4), a hand wheel (10) is arranged at one end of the second screw component (7), two connecting rods (11) are arranged at both ends of the top of the second screw component (7), a clamping plate (12) is arranged at one side where the compression springs (5) are close to each other, and a V-shaped clamping pad (13) is arranged at one side where the clamping plates (12) are close to each other.

2. A circuit board welding positioning tool according to claim 1, characterized in that: Two limiting holes (101) are symmetrically arranged on both sides of the top of the base (1), a rectangular groove (102) is arranged between the two limiting holes (101), and two rectangular holes (103) are symmetrically arranged between the rectangular groove (102) and the limiting hole (101). The sliding clamping rod (2) comprises a clamping rod (201), a limiting pin (202) and a rectangular sliding block (203). Only two limiting pins (202) are arranged at both ends of the bottom of the clamping rod (201), and a rectangular sliding block (203) is arranged on one side where the two limiting pins (202) are close to each other. The limiting pin (202) is fixedly connected to the clamping rod (201), and the limiting pin (202) is slidably connected inside the limiting hole (101). The rectangular sliding block (203) is fixedly connected to the clamping rod (201), and the rectangular sliding block (203) is slidably connected inside the rectangular groove (102).

3. A circuit board welding positioning tool according to claim 2, characterized in that: One end of the compression spring (5) is fixedly connected to the clamping rod (201), and the other end of the compression spring (5) is fixedly connected to the clamping plate (12). The pull rod component (6) includes a pull rod (601) and a sliding rod (602). The pull rod (601) is fixedly connected to the sliding rod (602). One end of the sliding rod (602) passes through the clamping rod (201) and is fixedly connected to the clamping plate (12). The sliding rod (602) is slidably connected inside the clamping rod (201), and the V-shaped clamping pad (13) is fixedly connected to the clamping plate (12).

4. A circuit board welding positioning tool according to claim 1, characterized in that: The first screw component (3) comprises a first screw (301), a first fixed seat (302) and a first rotating block (303); two first fixed seats (302) are arranged at both ends of the first screw (301); one end of the first screw (301) passes through the first fixed seat (302) and is fixedly connected to the transmission shaft of the motor (8); two first rotating blocks (303) are arranged on one side close to each other of the two first fixed seats (302); the first fixed seat (302) is rotatably connected to the first screw (301); the first fixed seat (302) is fixedly connected to the bottom of the base (1); the two first rotating blocks (303) are rotatably connected to both ends of the first screw (301); the top of the first rotating block (303) is fixedly connected to the rectangular slider (203); and the motor (8) is fixedly connected to the first fixed seat (302).

5. A circuit board welding positioning tool according to claim 1, characterized in that: The second screw component (7) comprises a second screw (701), a second fixed seat (702) and a second rotating block (703); two second fixed seats (702) are arranged at both ends of the second screw (701); one end of the second screw (701) passes through the second fixed seat (702) and is fixedly connected to the hand wheel (10); two second rotating blocks (703) are arranged on one side close to each other of the two second fixed seats (702); the second fixed seat (702) is rotatably connected to the second screw (701); the second fixed seat (702) is fixedly connected to the bottom of the base (1); the two second rotating blocks (703) are rotatably connected to both ends of the second screw (701); and the top of the second rotating block (703) is rotatably connected to the connecting rod (11).

6. A circuit board welding positioning tool according to claim 1, characterized in that: The top block component (4) comprises a top plate (401), a limit block (402), a support plate (403) and a connecting rod rotating block (404); a plurality of limit blocks (402) are symmetrically arranged at intervals at the bottom of the top plate (401); the top plate (401) is fixedly connected to the limit blocks (402); a support plate (403) is arranged at the bottom of the limit block (402); the bottom of the limit block (402) is fixedly connected to the support plate (403); a connecting rod rotating block (404) is arranged at the bottom of the support plate (403); the support plate (403) is fixedly connected to the connecting rod rotating block (404); the connecting rod rotating block (404) is rotatably connected to the connecting rod (11).

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