Circuit board double-sided spot welding equipment

Abstract

The utility model relates to the technical field of circuit board spot welding equipment, in particular to circuit board double-face spot welding equipment which comprises a fixing seat, an L-shaped support is fixedly arranged on the fixing seat, supports are symmetrically arranged at the top end of the fixing seat in a sliding mode, the supports are symmetrically distributed on the two sides of the L-shaped support, U-shaped frames are arranged at the top ends of the supports in a sliding mode, and the U-shaped frames are arranged on the fixing seat in a sliding mode. Pull rods are slidably embedded in the upper portions of the U-shaped frames in a penetrating mode, pressing plates are fixedly arranged at the bottom ends of the pull rods, fixing plates are symmetrically arranged on the front side of the vertical portion of the L-shaped support in a sliding mode, spot welding machine heads are fixedly arranged on the adjacent sides of the fixing plates, a cavity is formed in the fixing base, first screw rods are symmetrically and rotationally arranged in the cavity, and second screw rods are symmetrically and rotationally arranged in the cavity. And sliding blocks I are arranged on the screw rods I in a threaded sleeving manner. According to the spot welding device, a circuit board can be conveniently pressed and fixed, and spot welding operation can be conveniently performed on two surfaces of the circuit board at the same time, so that the production efficiency of the device is effectively improved.

Description

Technical Field

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

[0002] Circuit boards make circuits miniaturized and intuitive, and play an important role in the mass production of fixed circuits and the optimization of electrical appliance layout. They have the characteristics of high wiring density, light weight, thin thickness, and good bendability. During the processing of circuit boards, electric welding equipment is required to perform welding operations on them.

[0003] According to the announcement number CN212599539U, a circuit board spot welding machine is disclosed, and its structure includes a slide, a transverse rail, a support frame, a base, a controller, a control panel, a sliding cavity, a fixed support plate structure, and an electric welding machine head. The slide is installed on the transverse rail and is movably connected, and the transverse rail is located between the support frames and is fixedly connected. The utility model is a circuit board spot welding machine, so that the pull rod drives the pressure plate to move upward, so that the pressure plate squeezes the buffer spring, so that the buffer spring is compressed, and then the circuit board is placed between the support plate and the pressure plate, and then the pull rod is slowly released, so that the pressure plate returns under the action of the buffer spring, and the circuit board below is rolled and fixed above the support plate, and a pressure block is provided under the pressure plate, which can play a buffering role, so that the pressure plate will not damage the circuit board when squeezing the circuit board, so that the circuit board can be quickly fixed, and it does not need to be fixed by external tools. When the above device is in use, although the circuit board can be quickly fixed, only one side of the circuit board can be welded at a time, which makes the processing efficiency of the device low. Utility Model Content

[0004] The purpose of the utility model is to provide a double-sided spot welding device for a circuit board. The utility model can conveniently press and fix the circuit board, and conveniently perform spot welding operations on both sides of the circuit board at the same time, thereby effectively improving the production efficiency of the device to solve the problems raised in the above background technology.

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

[0006] A double-sided spot welding device for a circuit board comprises a fixed seat, an L-shaped bracket is fixed on the fixed seat, a support is symmetrically slidably provided at the top of the fixed seat, the supports are symmetrically distributed on both sides of the L-shaped bracket, a U-shaped frame is slidably provided at the top of the support, a pull rod is slidably embedded through the upper part of the U-shaped frame, a pressure plate is fixedly provided at the bottom end of the pull rod, a fixed plate is symmetrically slidably provided on the front side of the vertical part of the L-shaped bracket, and a spot welding machine head is fixedly provided on one adjacent side between the fixed plates.

[0007] Furthermore, a cavity is provided in the fixed seat, a screw rod 1 is symmetrically rotatably provided in the cavity, a slider 1 is threadedly sleeved on the screw rod 1, the slider 1 is slidably connected to the cavity, the top end of the slider 1 is fixedly connected to the bottom end of the adjacent support, and a threaded seat matching the screw rod 1 is fixedly embedded through the slider 1.

[0008] Furthermore, a rotating motor is fixedly provided on the front inner wall of the cavity, a pulley is fixedly provided on the output end of the rotating motor and the front side of the screw rod, and two adjacent pulleys are connected via a belt transmission.

[0009] Furthermore, a slide groove 1 is provided at the top of the support, and an adjusting screw rod is rotatably embedded on the opposite side of the support, one end of the adjusting screw rod extends into the adjacent slide groove 1, and a slider 2 is threadedly sleeved on the adjusting screw rod, and the top of the slider 2 is fixedly connected to the bottom end of the adjacent U-shaped frame, and a threaded seat matching the adjusting screw rod is fixedly embedded on the slider 2.

[0010] Furthermore, a slide groove two is opened in the U-shaped frame, the pull rod passes through the adjacent slide groove two, a slider three is fixedly sleeved on the pull rod, the slider three is slidably connected to the slide groove two, a spring is fixedly provided at the top end of the slider three, and the bottom end of the spring is fixedly connected to the top inner wall of the slide groove two.

[0011] Furthermore, a slide groove three is opened on the front side of the vertical part of the L-shaped bracket, and a double-headed motor is fixedly provided on the middle inner wall of the slide groove three, and a screw rod two is fixedly provided at the output end of the double-headed motor, and a slider four is threadedly sleeved on the screw rod two, and the front side of the slider four is fixedly connected to the rear side of the adjacent fixed plate, and two screw rods two are provided with threads in opposite directions, and a threaded seat matching the screw rod two is fixedly embedded on the slider four.

[0012] Furthermore, anti-slip pads are fixedly provided on the lower inner wall of the U-shaped frame and the bottom end of the pressing plate.

[0013] The beneficial effects of the utility model are:

[0014] The utility model is provided with a support, a U-shaped frame, an L-shaped bracket and a fixing plate. When in use, the position of the U-shaped frame is adjusted according to the size of the circuit board and the spot welding position, and then the two sides of the circuit board are pressed and fixed by the pressing plate. At this time, the double-headed motor drives the screw rod two to rotate, so that the screw rod two can drive the slider four to move toward each other in the slide groove three, so that the slider four drives the fixing plate and the spot welding machine head to move toward each other, so that electric welding operations can be performed on both sides of the circuit board at the same time. The utility model can conveniently press and fix the circuit board, and conveniently perform spot welding operations on both sides of the circuit board at the same time, thereby effectively improving the production efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is a front view of a double-sided spot welding device for a circuit board according to the utility model;

[0017] Figure 2 This is a schematic diagram of the overall structure of a double-sided spot welding device for a circuit board of the utility model;

[0018] Figure 3 It is a top view of a fixing seat of a double-sided spot welding device for a circuit board according to the utility model;

[0019] Figure 4 It is a side view of an L-shaped bracket of a circuit board double-sided spot welding device of the utility model;

[0020] Numbers in the figure: 1. Fixed seat; 2. L-shaped bracket; 3. Support; 4. U-shaped frame; 5. Pull rod; 6. Pressure plate; 7. Fixed plate; 8. Spot welding head; 9. Cavity; 10. Screw one; 11. Slider one; 12. Rotating motor; 13. Pulley; 14. Belt; 15. Slide one; 16. Adjusting screw; 17. Slider two; 18. Slide two; 19. Slider three; 20. Spring; 21. Slide three; 22. Double-head motor; 23. Screw two; 24. Slider four. DETAILED DESCRIPTION

[0021] 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.

[0022] Example 1 Please refer to Figure 1-Figure 4 , the utility model provides a technical solution:

[0023] A double-sided spot welding device for a circuit board comprises a fixed seat 1, on which an L-shaped bracket 2 is fixedly provided, a support 3 is symmetrically slidably provided at the top of the fixed seat 1, the supports 3 are symmetrically distributed on both sides of the L-shaped bracket 2, a U-shaped frame 4 is slidably provided at the top of the support 3, a pull rod 5 is slidably embedded through the upper part of the U-shaped frame 4, a pressure plate 6 is fixedly provided at the bottom end of the pull rod 5, a fixed plate 7 is symmetrically slidably provided on the front side of the vertical part of the L-shaped bracket 2, and a spot welding machine head 8 is fixedly provided on one adjacent side between the fixed plates 7.

[0024] Specifically, Figure 1-Figure 4 As shown, a cavity 9 is opened in the fixed seat 1, and a screw 10 is symmetrically rotated in the cavity 9. A slider 11 is threadedly sleeved on the screw 10, and the slider 11 is slidably connected with the cavity 9. The top of the slider 11 is fixedly connected to the bottom end of the adjacent support 3, and a threaded seat matching the screw 10 is fixedly embedded on the slider 11. A rotating motor 12 is fixedly provided on the front inner wall of the cavity 9, and a pulley 13 is fixedly provided on the output end of the rotating motor 12 and the front side of the screw 10. Two adjacent pulleys 13 are connected by a belt 14 for transmission. The corresponding pulley 13 is driven to rotate by the rotating motor 12. At this time, the screw 10 can be driven to rotate by the pulley 13 and the belt 14, and the slider 11 is driven to move forward and backward in the cavity 9 by the screw 10, so that the support 3 can be driven to move forward and backward by the slider 11.

[0025] Specifically, Figure 1-Figure 4As shown, a slide groove 15 is provided at the top of each support 3, and an adjusting screw rod 16 is rotatably embedded on the opposite side of each support 3, and one end of each adjusting screw rod 16 extends into the adjacent slide groove 15, and a slider 2 17 is threadedly sleeved on each adjusting screw rod 16, and the top of each slider 2 17 is fixedly connected to the bottom end of the adjacent U-shaped frame 4, and a threaded seat matching the adjusting screw rod 16 is fixedly embedded on each slider 2 17, and the adjusting screw rod 16 is rotated so that the adjusting screw rod 16 drives the slider 2 17 to move in the slide groove 15, and the U-shaped frame 4 can be driven to move left and right through the slider 2 17, so that the U-shaped frame 4 can be adjusted to a suitable position.

[0026] Specifically, Figure 1-Figure 4 As shown, the U-shaped frame 4 is provided with a second slide groove 18, the pull rod 5 passes through the adjacent second slide groove 18, the pull rod 5 is fixedly sleeved with a slider three 19, the slider three 19 is slidably connected to the second slide groove 18, the top of the slider three 19 is fixedly provided with a spring 20, the bottom end of the spring 20 is fixedly connected to the top inner wall of the second slide groove 18, by pulling the pull rod 5 upward, the pull rod 5 drives the pressure plate 6 to move upward, and at the same time the pull rod 5 drives the slider three 19 to squeeze the spring 20 upward.

[0027] Specifically, Figure 1-Figure 4 As shown, a slide groove three 21 is opened on the front side of the vertical part of the L-shaped bracket 2, and a double-headed motor 22 is fixedly provided on the middle inner wall of the slide groove three 21, and a screw rod two 23 is fixedly provided on the output end of the double-headed motor 22, and a slider four 24 is threadedly sleeved on the screw rod two 23, and the front sides of the slider four 24 are fixedly connected to the rear sides of the adjacent fixed plates 7, and the two screw rods 23 are provided with threads in opposite directions, and the slider four 24 is penetrated and fixedly embedded with a threaded seat matching the screw rod two 23, and the screw rod two 23 is driven to rotate by the double-headed motor 22, so that the screw rod two 23 can drive the slider four 24 to move toward each other in the slide groove three 21, so that the slider four 24 drives the fixed plate 7 and the spot welding machine head 8 to move toward each other.

[0028] Example 2 Please refer to Figure 1-Figure 4 The difference between this embodiment and embodiment 1 is that the lower inner wall of the U-shaped frame 4 and the bottom end of the pressing plate 6 are fixedly provided with anti-skid pads. By providing the anti-skid pads, the stability of the device when clamping the circuit board can be improved.

[0029] Working principle of the utility model: when in use, the position of the U-shaped frame 4 is adjusted according to the size of the circuit board and the spot welding position, and the adjusting screw rod 16 is rotated so that the adjusting screw rod 16 drives the slider 2 17 to move in the slide groove 15, and the slider 2 17 can drive the U-shaped frame 4 to move left and right, so that the U-shaped frame 4 can be adjusted to a suitable position, and then the pull rod 5 is pulled upward, so that the pull rod 5 drives the pressure plate 6 to move upward, and at the same time, the pull rod 5 will drive the slider 3 19 to press the spring 20 upward, and the circuit board is placed on the U-shaped frame 4. At this time, the pull rod 5 is released, so that the spring 20 pushes the slider 3 19 and the pull rod 5 to reset, so that the two sides of the circuit board can be pressed and fixed by the pressure plate 6. The corresponding pulley 13 is driven to rotate by rotating the motor 12. At this time, the screw 10 can be driven to rotate by the pulley 13 and the belt 14. The screw 10 will drive the slider 11 to move forward and backward in the cavity 9, so that the slider 11 can drive the support 3 to move forward and backward, and then the double-headed motor 22 drives the screw 23 to rotate, so that the screw 23 can drive the slider 4 24 to move toward each other in the slide groove 3 21, so that the slider 4 24 drives the fixed plate 7 and the spot welding head 8 to move toward each other, so that the spot welding head 8 can perform spot welding on both sides of the circuit board. This device can be flipped 90° for use, so as to prevent components on the circuit board from falling off.

[0030] 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 double-sided spot welding device, comprising a fixing seat (1), characterized in that: An L-shaped bracket (2) is fixed on the fixed seat (1), a support (3) is symmetrically slidably provided on the top of the fixed seat (1), the supports (3) are symmetrically distributed on both sides of the L-shaped bracket (2), a U-shaped frame (4) is slidably provided on the top of the support (3), a pull rod (5) is slidably embedded through the upper part of the U-shaped frame (4), a pressure plate (6) is fixedly provided at the bottom end of the pull rod (5), a fixed plate (7) is symmetrically slidably provided on the front side of the vertical part of the L-shaped bracket (2), and a spot welding machine head (8) is fixedly provided on the adjacent side between the fixed plates (7).

2. A circuit board double-sided spot welding device according to claim 1, characterized in that: A cavity (9) is provided in the fixing seat (1), a screw rod (10) is symmetrically rotatably provided in the cavity (9), a slider (11) is threadedly sleeved on the screw rod (10), the slider (11) is slidably connected to the cavity (9), the top end of the slider (11) is fixedly connected to the bottom end of the adjacent support (3), and a threaded seat matching the screw rod (10) is fixedly embedded in the slider (11).

3. A circuit board double-sided spot welding device according to claim 2, characterized in that: A rotating motor (12) is fixedly provided on the front inner wall of the cavity (9), a pulley (13) is fixedly provided at the output end of the rotating motor (12) and the front side of the screw rod (10), and two adjacent pulleys (13) are connected by a belt (14).

4. A circuit board double-sided spot welding device according to claim 1, characterized in that: The top of each support (3) is provided with a slide groove (15), and an adjusting screw rod (16) is rotatably embedded on the opposite side of each support (3). One end of each adjusting screw rod (16) extends into the adjacent slide groove (15), and each adjusting screw rod (16) is threadedly sleeved with a slider (17). The top of each slider (17) is fixedly connected to the bottom end of the adjacent U-shaped frame (4), and each slider (17) is penetrated and fixedly embedded with a threaded seat matching the adjusting screw rod (16).

5. A circuit board double-sided spot welding device according to claim 1, characterized in that: The U-shaped frame (4) is provided with a second slide groove (18), the pull rod (5) passes through the adjacent second slide groove (18), the pull rod (5) is fixedly sleeved with a slider three (19), the slider three (19) is slidably connected to the second slide groove (18), the top end of the slider three (19) is fixedly provided with a spring (20), and the bottom end of the spring (20) is fixedly connected to the top inner wall of the second slide groove (18).

6. A circuit board double-sided spot welding device according to claim 1, characterized in that: A slide groove three (21) is provided on the front side of the vertical part of the L-shaped bracket (2), and a double-headed motor (22) is fixedly provided on the middle inner wall of the slide groove three (21), and a screw rod two (23) is fixedly provided on the output end of the double-headed motor (22), and a slider four (24) is threadedly sleeved on the screw rod two (23), and the front side of the slider four (24) is fixedly connected to the rear side of the adjacent fixed plate (7), and the two screw rods two (23) are provided with threads in opposite directions, and a threaded seat matching the screw rod two (23) is fixedly embedded in the slider four (24).

7. A circuit board double-sided spot welding device according to claim 1, characterized in that: The lower inner wall of the U-shaped frame (4) and the bottom end of the pressing plate (6) are both fixedly provided with anti-slip pads.

Images