Spot welding device for automobile parts

Abstract

The utility model discloses an automobile part spot welding device, which relates to the technical field of automobile production, and comprises an automobile part placing base, the upper ends of the two sides of the automobile part placing base are fixedly connected with a support bracket, one end of the support bracket is fixedly connected with a distribution box, and the lower end of the support bracket is fixedly connected with a distribution box. A first servo motor is fixedly connected to the output end of the distribution box, a first driving wheel is fixedly connected to the output end of the first servo motor, a driven wheel is rotationally connected to the side, away from the first driving wheel, of the supporting bracket, a belt sleeves the outer side of the first driving wheel, and the other end of the belt sleeves the outer side of the driven wheel; a movable block is fixedly connected to the middle of the belt, sliding rails are fixedly connected to the two sides of the supporting bracket, and when the automobile parts are placed on the automobile part placing base and adjusted to the proper spot welding position, the distribution box is powered on, the first servo motor is started, and the first servo motor drives the first driving wheel to rotate.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile production, in particular to a spot welding device for automobile parts. Background Technique

[0002] Spot welding of vehicle parts plays an important role in automobile manufacturing and repair. Spot welding is a commonly used metal connection method, especially suitable for connecting thin metal parts, such as automobile body panels and body frames. It passes a high current through two metal surfaces for a short time, generating high temperature, melting the metal surfaces and forming strong welding points, thus realizing the firm connection of metal parts. The structural strength and rigidity of an automobile are crucial for safety and performance. Spot welding can effectively connect multiple metal parts together without damaging the material surface, maintaining the overall strength and rigidity of the vehicle body. Compared with traditional bolt connections or other connection methods, spot welding can achieve local metal connections, avoiding unnecessary connection materials and components, thereby reducing the overall weight of the automobile and improving the fuel efficiency and performance of the vehicle. Spot welding of vehicle parts is an efficient, reliable and economical metal connection method in automobile manufacturing and repair, which can ensure the strength and safety of the automobile structure and meet the production requirements of high quality and high efficiency in modern automobile manufacturing.

[0003] The above-mentioned utility model has the following problems:

[0004] In the prior art, the spot welding work of automobile parts is often completed manually. The efficiency of manual spot welding is low, and a large number of operators need to be trained and hired, which will increase the labor cost of the enterprise.

[0005] Therefore, the technical personnel in this field provide a spot welding device for automobile parts to solve the problems raised in the above background technique. Content of the Utility Model

[0006] The purpose of the utility model is to provide a spot welding device for automobile parts to solve the problems raised in the above background technique.

[0007] To achieve the above purpose, the utility model provides the following technical solutions:

[0008] A spot welding device for automobile parts includes a placement base for automobile parts. On both upper ends of the placement base for automobile parts, there are fixedly connected support brackets. One end of the support bracket is fixedly connected with a distribution box, and the lower end of the support bracket is fixedly connected with a distribution box. The output end of the distribution box is fixedly connected with a first servo motor. The output end of the first servo motor is fixedly connected with a first driving wheel. On the side of the support bracket far from the first driving wheel, there is a driven wheel rotatably connected. The outer side of the first driving wheel is sleeved with a belt, and the other end of the belt is sleeved on the outer side of the driven wheel.

[0009] As a further solution of the present utility model: A moving block is fixedly connected to the middle of the belt, sliding tracks are fixedly connected to both sides of the support bracket, a left - right moving bracket is slidably connected to the upper end of the sliding track, a moving block is fixedly connected to the lower end of the left - right moving bracket, a second servo motor is fixedly connected to one end of the left - right moving bracket, and a second driving wheel is fixedly connected to the output end of the second servo motor.

[0010] As a further solution of the present utility model: A driven wheel is rotatably connected to the side of the left - right moving bracket away from the second driving wheel, a belt is sleeved outside the second driving wheel, the other end of the belt is sleeved outside the driven wheel, a moving block is fixedly connected to the middle of the belt, sliding tracks are fixedly connected to both sides of the left - right moving bracket, and an up - down moving bracket is slidably connected to the upper end of the sliding track.

[0011] As a further solution of the present utility model: A moving block is fixedly connected to the lower end of the up - down moving bracket, a spot - welding gun rotating mechanism is fixedly connected to one end of the lower side of the up - down moving bracket. The spot - welding gun rotating mechanism includes a third servo motor, a rotating disk, a convex rod, a fixed rod, an adjusting rod, a convex - rod adjusting groove, a partial gear, a gear, and a connecting rod. The output end of the third servo motor is fixedly connected to the rotating disk.

[0012] As a further solution of the present utility model: A convex rod is fixedly connected to the other end of the rotating disk, a fixed rod is fixedly connected to the inner side of the spot - welding gun rotating mechanism near the third servo motor, one end of the fixed rod is rotatably connected to the adjusting rod, and a convex - rod adjusting groove is opened in the adjusting rod near the convex rod.

[0013] As a further solution of the present utility model: A partial gear is fixedly connected to one end of the adjusting rod near the fixed rod, the partial gear is meshed with a gear, a connecting rod is fixedly connected to one end of the gear, the other end of the connecting rod is fixedly connected to a spot - welding gun base, and a spot - welding gun is fixedly connected to the other end of the spot - welding gun base.

[0014] Compared with the prior art, the beneficial effects of the present utility model are:

[0015] Place the automotive parts on the automotive parts placement base. When adjusted to the appropriate spot welding position, power on the distribution box. The first servo motor starts, driving the first driving wheel to rotate. The first driving wheel drives the outer belt to rotate. The other end of the belt rotates on the driven wheel, and the belt drives the moving block to move. The moving block drives the left - right moving bracket to move left - right on the sliding track at the upper end of the support bracket. When the spot welding gun is adjusted left - right to the appropriate position, the first servo motor stops rotating. The second servo motor starts, driving the second driving wheel to rotate. The second driving wheel drives the belt to rotate. The other end of the belt is sleeved on the driven wheel to rotate, and the belt drives the moving block to rotate. The moving block drives the up - down moving bracket to move up - down on the sliding track of the left - right moving bracket, making the left - right and up - down positions of the spot welding gun adjusted appropriately. The system driven by servo motors can precisely adjust the left - right and up - down positions of the spot welding gun, ensuring spot welding at the appropriate position, avoiding welding deviation or defects. Through the motor and belt drive system, the operator can relatively easily adjust the position of the spot welding gun without manual adjustment or relying on complex mechanical devices, thereby reducing the spot welding preparation time and improving the overall efficiency of the production line. The operator only needs to set the parameters of the spot welding position, and the system can quickly adjust the position, reducing the waiting and adjustment time in production. When adjusted to the appropriate position in all directions (up, down, left, and right), the spot welding gun rotation mechanism drives the rotating disk to rotate through the third servo motor. The rotating disk drives the convex rod to rotate. The convex rod drives the outer adjusting rod to rotate. The adjusting rod drives a part of the gear to rotate. The part of the gear drives the gear to rotate. The gear drives the connecting rod to rotate. The connecting rod drives the spot welding gun base to rotate and adjust, and the spot welding gun base drives the spot welding gun to rotate and adjust the angle, making the welding angle of the spot welding gun the same as that of the welding point. Description of the Drawings

[0016] Figure 1 It is a schematic structural diagram of a spot welding device for automotive parts.

[0017] Figure 2 It is a schematic structural diagram of the lateral transmission mechanism in a spot welding device for automotive parts.

[0018] Figure 3 It is a schematic structural diagram of the longitudinal transmission mechanism in a spot welding device for automotive parts.

[0019] Figure 4 It is a schematic structural diagram of the spot welding gun rotation mechanism in a spot welding device for automotive parts.

[0020] In the figure: 1. Base for placing automotive parts, 2. Support bracket, 3. Distribution box, 4. First servo motor, 5. First driving wheel, 6. Driven wheel, 7. Belt, 8. Moving block, 9. Sliding track, 10. Left - right moving bracket, 11. Second servo motor, 12. Second driving wheel, 13. Up - down moving bracket, 14. Spot - welding gun rotating mechanism, 15. Third servo motor, 16. Rotating disc, 17. Convex rod, 18. Fixed rod, 19. Adjusting rod, 20. Convex rod adjusting groove, 21. Partial gear, 22. Gear, 23. Connecting rod, 24. Spot - welding gun base, 25. Spot - welding gun. Detailed implementation mode

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.

[0022] Embodiment 1

[0023] Refer to Figure 1 、 2, 3. This embodiment provides a spot welding device for automotive parts, including a placement base 1 for automotive parts. At the upper ends on both sides of the placement base 1 for automotive parts, there are fixedly connected support brackets 2. One end of the support bracket 2 is fixedly connected to a distribution box 3, and the lower end of the support bracket 2 is also fixedly connected to a distribution box 3. The output end of the distribution box 3 is fixedly connected to a first servo motor 4, and the output end of the first servo motor 4 is fixedly connected to a first driving wheel 5. On the side of the support bracket 2 away from the first driving wheel 5, there is a rotatably connected driven wheel 6. The outer side of the first driving wheel 5 is sleeved with a belt 7, and the other end of the belt 7 is sleeved on the outer side of the driven wheel 6. In the middle of the belt 7, there is a fixedly connected moving block 8. On both sides of the support bracket 2, there are fixedly connected sliding tracks 9. On the upper ends of the sliding tracks 9, there is a slidably connected left - right moving bracket 10. The lower end of the left - right moving bracket 10 is fixedly connected to the moving block 8. One end of the left - right moving bracket 10 is fixedly connected to a second servo motor 11, and the output end of the second servo motor 11 is fixedly connected to a second driving wheel 12. On the side of the left - right moving bracket 10 away from the second driving wheel 12, there is a rotatably connected driven wheel 6. The outer side of the second driving wheel 12 is sleeved with a belt 7, and the other end of the belt 7 is sleeved on the outer side of the driven wheel 6. In the middle of the belt 7, there is a fixedly connected moving block 8. On both sides of the left - right moving bracket 10, there are fixedly connected sliding tracks 9. On the upper ends of the sliding tracks 9, there is a slidably connected up - down moving bracket 13. The lower end of the up - down moving bracket 13 is fixedly connected to the moving block 8; Place the automotive parts on the placement base for automotive parts. When adjusted to the appropriate spot welding position, power on the distribution box. The first servo motor starts. The first servo motor drives the first driving wheel to rotate. The first driving wheel drives the outer belt to rotate. The other end of the belt rotates on the driven wheel. The belt drives the moving block to move. The moving block drives the left - right moving bracket to move left and right on the sliding tracks at the upper end of the support bracket. When the spot welding gun is adjusted left and right to the appropriate position, the first servo motor stops rotating. The second servo motor starts. The second servo motor drives the second driving wheel to rotate. The second driving wheel drives the belt to rotate. The other end of the belt is sleeved on the driven wheel and rotates. The belt drives the moving block to rotate. The moving block drives the up - down moving bracket to move up and down on the sliding tracks of the left - right moving bracket, making the left - right and up - down positions of the spot welding gun adjusted appropriately. The system driven by the servo motor can accurately adjust the left - right and up - down positions of the spot welding gun, ensuring spot welding at the appropriate position, avoiding welding deviation or defects. Through the motor and belt drive system, the operator can relatively easily adjust the position of the spot welding gun without manual adjustment or relying on complex mechanical devices, thereby reducing the spot welding preparation time and improving the overall efficiency of the production line. The operator only needs to set the parameters of the spot welding position, and the system can quickly adjust the position, reducing the waiting and adjustment time in production.

[0024] Embodiment 2

[0025] Refer toFigure 1 , 4 , This embodiment is based on the previous embodiment. The difference from the previous embodiment is that a spot welding gun rotating mechanism 14 is fixedly connected to the lower end of the upper and lower moving bracket 13. The spot welding gun rotating mechanism 14 includes a third servo motor 15, a rotating disk 16, a convex rod 17, a fixed rod 18, an adjusting rod 19, a convex rod adjusting groove 20, a partial gear 21, a gear 22 and a connecting rod 23. The output end of the third servo motor 15 is fixedly connected to the rotating disk 16. The other end of the rotating disk 16 is fixedly connected to the convex rod 17. A fixed rod 18 is fixedly connected to the inner side of the spot welding gun rotating mechanism 14 near the third servo motor 15. One end of the fixed rod 18 is rotatably connected to the adjusting rod 19. The convex rod adjusting groove 20 is opened in the adjusting rod 19 near the convex rod 17. A partial gear 21 is fixedly connected to the end of the adjusting rod 19 near the fixed rod 18. The partial gear 21 is meshed with the gear 22. One end of the gear 22 is fixedly connected to the connecting rod 23. The other end of the connecting rod 23 is fixedly connected to the spot welding gun base 24. The other end of the spot welding gun base 24 is fixedly connected to the spot welding gun 25. When adjusted to the appropriate position up, down, left and right, the spot welding gun rotating mechanism drives the rotating disk to rotate through the rotation of the third servo motor. The rotating disk drives the convex rod to rotate. The convex rod drives the outer adjusting rod to rotate. The adjusting rod drives the partial gear to rotate. The partial gear drives the gear to rotate. The gear drives the connecting rod to rotate. The connecting rod drives the spot welding gun base to rotate and adjust. The spot welding gun base drives the spot welding gun to rotate and adjust the angle, so that the welding angle between the spot welding gun and the welding point is the same.

[0026] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-described exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0027] In addition, it should be understood that although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An automotive parts spot welding device, comprising a base (1) for placing automotive parts, characterized in that, On both upper ends of the base (1) for placing automotive parts, there are support brackets (2) fixedly connected. One end of the support bracket (2) is fixedly connected to a distribution box (3), and the lower end of the support bracket (2) is also fixedly connected to the distribution box (3). The output end of the distribution box (3) is fixedly connected to a first servo motor (4), and the output end of the first servo motor (4) is fixedly connected to a first driving wheel (5). On the side of the support bracket (2) away from the first driving wheel (5), there is a driven wheel (6) rotatably connected. The outer side of the first driving wheel (5) is sleeved with a belt (7), and the other end of the belt (7) is sleeved on the outer side of the driven wheel (6). In the middle of the belt (7), there is a moving block (8) fixedly connected. On both sides of the support bracket (2), there are sliding tracks (9) fixedly connected.

2. The spot welding device for automotive parts according to claim 1, characterized in that, On the upper end of the sliding track (9), there is a left - right moving bracket (10) slidably connected. The lower end of the left - right moving bracket (10) is fixedly connected to the moving block (8). One end of the left - right moving bracket (10) is fixedly connected to a second servo motor (11), and the output end of the second servo motor (11) is fixedly connected to a second driving wheel (12).

3. The spot welding device for automotive parts according to claim 2, characterized in that, On the side of the left - right moving bracket (10) away from the second driving wheel (12), there is a driven wheel (6) rotatably connected. The outer side of the second driving wheel (12) is sleeved with a belt (7), and the other end of the belt (7) is sleeved on the outer side of the driven wheel (6). In the middle of the belt (7), there is a moving block (8) fixedly connected.

4. The spot welding device for automotive parts according to claim 3, characterized in that, On both sides of the left - right moving bracket (10), there are sliding tracks (9) fixedly connected. On the upper end of the sliding track (9), there is an up - down moving bracket (13) slidably connected. The lower end of the up - down moving bracket (13) is fixedly connected to the moving block (8). At one end of the lower side of the up - down moving bracket (13), there is a spot - welding gun rotating mechanism (14) fixedly connected.

5. The spot welding device for automotive parts according to claim 4, characterized in that, The spot - welding gun rotating mechanism (14) includes a third servo motor (15), a rotating disk (16), a convex rod (17), a fixed rod (18), an adjusting rod (19), a convex - rod adjusting groove (20), a partial gear (21), a gear (22), and a connecting rod (23). The output end of the third servo motor (15) is fixedly connected to the rotating disk (16).

6. The spot welding device for automotive parts according to claim 5, characterized in that, The other end of the rotating disk (16) is fixedly connected to the convex rod (17). Inside the spot - welding gun rotating mechanism (14), near the third servo motor (15), there is a fixed rod (18) fixedly connected. One end of the fixed rod (18) is rotatably connected to the adjusting rod (19). The adjusting rod (19) is provided with a convex - rod adjusting groove (20) near the convex rod (17).

7. The spot welding device for automotive parts according to claim 6, characterized in that, One end of the adjusting rod (19) near the fixed rod (18) is fixedly connected to a partial gear (21), and the partial gear (21) is meshed with a gear (22).

8. The spot welding device for automotive parts according to claim 7, characterized in that, One end of the gear (22) is fixedly connected to a connecting rod (23), and the other end of the connecting rod (23) is fixedly connected to a spot - welding gun base (24). The other end of the spot - welding gun base (24) is fixedly connected to a spot - welding gun (25).

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