Automatic multi-point stud welding device

Abstract

The utility model discloses an automatic multi-point stud welding device which comprises a movable frame, a storage table is arranged above the movable frame, the same mounting frame is welded to the two sides of the movable frame, a supporting plate is arranged below the mounting frame, a plurality of symmetrically-distributed adaptive assemblies are arranged on the supporting plate in a penetrating mode, and the adaptive assemblies are connected with the storage table. A welding gun body is arranged on the adaptive assembly; the adaptive assembly comprises an adjusting cylinder connected to the supporting plate in a penetrating mode, and the top end of the adjusting cylinder is rotationally connected with a first threaded rod in a penetrating mode. According to the automatic multi-point stud welding device, the positions of the welding guns can be adjusted according to the mounting height of the stud of the workpiece through the arranged adaptive assembly, so that the multiple welding guns can synchronously make contact with the workpiece to conduct welding work, using is more convenient, and using energy consumption is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of stud welding, in particular to an automatic multi-point stud welding device. Background Art

[0002] Arc welding is a widely used stud welding method in the industry. Arc welding is performed by bringing the conical end of the stud into contact with the surface of the plate, energizing the arc, and melting the contact surface to complete the connection of the parts to be welded.

[0003] The publication number CN 219520794 U discloses an automatic multi-point stud welding device, including a base, with screw conveying devices on both sides for transmitting the studs to be welded, a vibrating plate on the screw conveying device, a reserved table fixedly connected to the top of the base, a control platform and an off-station gas path on one side of the base, a controller in the control platform, a motor fixedly connected in the base, and the motor output shaft passes through the base. In fact, the practical new type performs capacitor energy storage welding by setting capacitor energy storage discharge, and the stud tip arc-starting principle quickly welds the stud or the corresponding screw firmly to the workpiece, which has the characteristics of high efficiency, energy saving, convenience, no deformation of the workpiece, and can be welded in various positions, solves the back fusion mark after stud welding, and ensures that the relative spatial position of stud welding is relatively accurate and stable, and sets a controller for synchronous control to ensure welding quality and high precision.

[0004] However, the welding device has the following shortcomings: when in use, the device controls multiple intelligent welding guns through multiple cylinders to perform multi-point welding on the workpiece, which requires multiple cylinders to work synchronously to drive the intelligent welding guns to move, resulting in high energy consumption and increased use costs.

[0005] Therefore, the utility model provides an automatic multi-point stud welding device to solve the above problems. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides an automatic multi-point stud welding device to solve the above problems.

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: an automatic multi-point stud welding device, comprising a moving frame, a storage platform is arranged above the moving frame, a same mounting frame is welded on both sides of the moving frame, a support plate is arranged below the mounting frame, a plurality of symmetrically distributed adapter components are arranged through the support plate, and a welding gun body is arranged on the adapter component;

[0008] The adapter assembly includes an adjusting cylinder connected through the support plate, the top end of the adjusting cylinder is rotatably connected through a first threaded rod, a telescopic sleeve is threadedly sleeved on the first threaded rod, the bottom end of the telescopic sleeve is connected to the welding gun body, the top end of the first threaded rod is fixedly connected to a hand wheel, the outer wall of the telescopic sleeve is provided with two symmetrically distributed limit grooves, the inner wall of the adjusting cylinder is fixedly connected to two symmetrically distributed stop rods, and one end of the stop rod slides and extends into the corresponding limit groove.

[0009] Preferably, the mounting frame is connected through a fixed box, a partition is fixedly connected inside the fixed box, two second threaded rods are rotatably connected through the partition, lifting blocks are threadedly sleeved on the two second threaded rods, one side of the two lifting blocks is fixedly connected with a connecting rod, the bottom ends of the two connecting rods are slidably extended to the outside of the fixed box, and the bottom ends of the two connecting rods are connected to the support plate, and the support plate can be conveniently supported and driven to be lifted and lowered by using the set fixed box, partition, second threaded rod, lifting block and connecting rod.

[0010] Preferably, both of the second threaded rods are fixedly sleeved with a synchronous wheel, the same synchronous belt is wound between the two synchronous wheels, and the corresponding second threaded rods are fixedly sleeved with a driven gear, a first servo motor is fixedly connected in the partition, and a driving gear is fixedly connected to the output shaft of the first servo motor, and the driving gear is meshed with the driven gear. The synchronous wheel, synchronous belt, driven gear, first servo motor and driving gear are used in combination to conveniently drive the two second threaded rods to rotate synchronously.

[0011] Preferably, a plurality of cushion columns are fixedly connected to the top of the storage table, and a plurality of limit plates are fixedly connected to the top of the storage table. The cushion columns and the limit plates are used in combination to conveniently limit the workpiece so that it can be stuck on the storage table.

[0012] Preferably, a second servo motor is fixedly connected to the movable frame, and the output shaft of the second servo motor is fixedly connected to a third threaded rod, a movable block is threadedly sleeved on the third threaded rod, and the movable block is connected to the storage table. The second servo motor, the third threaded rod and the movable block are used in combination to drive the storage table to move, thereby facilitating loading and unloading.

[0013] Preferably, two slide rails are fixedly connected in the movable frame, and two slide plates are fixedly connected to the bottom of the storage table. The bottoms of the two slide plates slide and extend into the corresponding slide rails respectively. The combination of the slide rails and the slide plates can make the storage table move more smoothly.

[0014] Preferably, two anti-deflection rods are fixedly connected in the fixed box, and the two anti-deflection rods slide through the corresponding lifting blocks respectively. The lifting blocks can be limited by the anti-deflection rods, so that the lifting and lowering are smoother.

[0015] Preferably, a plurality of extension rods are fixedly connected to the bottom of the support plate, and a wear-resistant pad is fixedly connected to the bottom end of the extension rod. The extension rods and wear-resistant pads can be used together to facilitate the support plate to support the workpiece, thereby facilitating welding work thereon.

[0016] Beneficial Effects

[0017] The utility model provides an automatic multi-point stud welding device. Compared with the prior art, it has the following beneficial effects:

[0018] (1) The automatic multi-point stud welding device can adjust the position of the welding gun according to the installation height of the workpiece stud by setting an adapter component, so that multiple welding guns can synchronously contact the workpiece to perform welding work, which is more convenient to use and reduces energy consumption.

[0019] (2) The automatic multi-point stud welding device can limit the workpiece by means of the provided pad column and the limit plate, so that the workpiece can be placed stably on the storage table. At the same time, the second motor and the third threaded rod can be used together to drive the storage table to move, which is convenient for operators to load and unload materials and is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the distribution structure of the welding gun body in the utility model;

[0022] Figure 3 It is a structural schematic diagram of the adapter component in the utility model;

[0023] Figure 4 It is the internal assembly diagram of the fixed box in the utility model;

[0024] Figure 5 It is a structural schematic diagram of the mobile frame in the utility model;

[0025] Figure 6 It is a schematic diagram of the bottom structure of the storage table in the utility model.

[0026] In the figure: 1. moving frame; 2. storage table; 3. mounting frame; 4. support plate; 5. adapter assembly; 51. adjusting cylinder; 52. first threaded rod; 53. telescopic sleeve; 54. hand wheel; 55. limiting groove; 56. blocking rod; 6. welding gun body; 7. fixing box; 8. partition; 9. second threaded rod; 10. lifting block; 11. connecting rod; 12. synchronous wheel; 13. synchronous belt; 14. driven gear; 15. first servo motor; 16. driving gear; 17. cushion column; 18. limiting plate; 19. second servo motor; 20. third threaded rod; 21. moving block; 22. slide rail; 23. slide plate; 24. anti-deflection rod; 25. extension rod; 26. wear-resistant pad. DETAILED DESCRIPTION

[0027] 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.

[0028] Embodiment 1:

[0029] See also Figures 1 to 3 An automatic multi-point stud welding device comprises a moving frame 1, a storage table 2 is arranged above the moving frame 1, a same mounting frame 3 is welded on both sides of the moving frame 1, a support plate 4 is arranged below the mounting frame 3, a plurality of symmetrically distributed adapter components 5 are arranged through the support plate 4, and a welding gun body 6 is arranged on the adapter component 5;

[0030] The adapter assembly 5 includes an adjusting cylinder 51 which is connected to the support plate 4. The top of the adjusting cylinder 51 is rotatably connected to a first threaded rod 52. A telescopic sleeve 53 is threadedly sleeved on the first threaded rod 52. The bottom end of the telescopic sleeve 53 is connected to the welding gun body 6. A hand wheel 54 is fixedly connected to the top of the first threaded rod 52. Two symmetrically distributed limiting grooves 55 are provided on the outer wall of the telescopic sleeve 53. Two symmetrically distributed blocking rods 56 are fixedly connected to the inner wall of the adjusting cylinder 51. One end of the blocking rod 56 slides and extends into the corresponding limiting groove 55. A fixed box 7 is connected to the mounting frame 3. A partition 8 is fixedly connected to the fixed box 7. A rotating connecting rod 54 is connected to the partition 8. There are two second threaded rods 9, and the two second threaded rods 9 are both threadedly sleeved with lifting blocks 10, and one side of the two lifting blocks 10 is fixedly connected with a connecting rod 11, and the bottom ends of the two connecting rods 11 are slidably extended to the outside of the fixed box 7, and the bottom ends of the two connecting rods 11 are connected to the support plate 4; the two second threaded rods 9 are both fixedly sleeved with synchronous wheels 12, and the same synchronous belt 13 is wound between the two synchronous wheels 12, and the corresponding second threaded rods 9 are fixedly sleeved with driven gears 14, and a first servo motor 15 is fixedly connected in the partition 8, and the output shaft of the first servo motor 15 is fixedly connected with a driving gear 16, and the driving gear 16 is meshed with the driven gear 14.

[0031] Embodiment 2:

[0032] See also Figures 1 to 6 , this embodiment provides a technical solution based on the first embodiment: a plurality of cushion columns 17 are fixedly connected to the top of the storage table 2, and a plurality of limit plates 18 are fixedly connected to the top of the storage table 2; a second servo motor 19 is fixedly connected to the moving frame 1, and a third threaded rod 20 is fixedly connected to the output shaft of the second servo motor 19, and a moving block 21 is threadedly sleeved on the third threaded rod 20, and the moving block 21 is connected to the storage table 2; two slide rails 22 are fixedly connected in the moving frame 1, and two slide plates 23 are fixedly connected to the bottom of the storage table 2, and the bottoms of the two slide plates 23 are respectively slidably extended into the corresponding slide rails 22; two anti-deflection rods 24 are fixedly connected in the fixed box 7, and the two anti-deflection rods 24 are respectively slid through the corresponding lifting blocks 10; a plurality of extension rods 25 are fixedly connected to the bottom of the support plate 4, and a wear-resistant pad 26 is fixedly connected to the bottom end of the extension rod 25, and the wear-resistant pad 26 is made of wear-resistant plastic material.

[0033] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0034] Working principle: When in use, first start the second servo motor 19, the second servo motor 19 drives the moving block 21 to move through the third threaded rod 20, and the moving block 21 drives the storage table 2 to move, so that the storage table 2 is away from the mounting frame 3. At this time, the operator can easily place the workpiece on the storage table 2, and limit the bottom and four sides of the workpiece through the cushion column 17 and the limit plate 18 to jam it, and then reset it, and then start the second servo motor 19 to move the storage table 2 to the bottom of the support plate 4, and then start the first servo motor 15. The first servo motor 15 drives the driven gear 14 meshing with it to rotate through the driving gear 16, and the driven gear 14 drives the connected second threaded rod 9 to rotate, and the second threaded rod 9 drives another second threaded rod 9 to rotate through the synchronous wheel 12 and the synchronous belt 13. The two second threaded rods 9 Keeping synchronous rotation, the second threaded rod 9 drives the lifting block 10 threadedly connected thereto to descend, and the lifting block 10 drives the support plate 4 to descend through the connecting rod 11 until the wear-resistant pad 25 is against the surface of the workpiece, and then the operator turns the hand wheel 54 in turn, and the hand wheel 54 drives the telescopic sleeve 53 threadedly connected thereto to descend through the first threaded rod 52, and the telescopic sleeve 53 drives the welding gun body 6 to descend until it is close to the welding position of the workpiece, and then the welding gun body 6 is started to weld it, and then the first servo motor 15 is started again to reset the support plate 4, and then the second servo motor 19 is started to move the storage table 2, and the operator re-places the workpiece to be processed after unloading, and prepares for the next round of welding work. At the same time, there is no need to adjust the height of the welding gun body 6 in the subsequent welding work, which is more convenient to use.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] In the description of this article, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, or a connection through an intermediate medium, or the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0037] 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. An automatic multi-point stud welding device, comprising a moving frame (1), characterized in that: A storage platform (2) is arranged above the movable frame (1), a same mounting frame (3) is welded to both sides of the movable frame (1), a support plate (4) is arranged below the mounting frame (3), a plurality of symmetrically distributed adapter components (5) are arranged through the support plate (4), and a welding gun body (6) is arranged on the adapter component (5); The adapter assembly (5) comprises an adjusting cylinder (51) which is connected to the support plate (4); the top end of the adjusting cylinder (51) is rotatably connected to a first threaded rod (52); a telescopic sleeve (53) is threadedly sleeved on the first threaded rod (52); the bottom end of the telescopic sleeve (53) is connected to the welding gun body (6); the top end of the first threaded rod (52) is fixedly connected to a hand wheel (54); the outer wall of the telescopic sleeve (53) is provided with two symmetrically distributed limiting grooves (55); the inner wall of the adjusting cylinder (51) is fixedly connected to two symmetrically distributed blocking rods (56); one end of the blocking rod (56) slides and extends into the corresponding limiting groove (55).

2. The automatic multi-spot stud welding device according to claim 1, characterized in that: The mounting frame (3) is connected through a fixed box (7), a partition (8) is fixedly connected inside the fixed box (7), two second threaded rods (9) are rotatably connected through the partition (8), a lifting block (10) is threadedly sleeved on the two second threaded rods (9), one side of the two lifting blocks (10) is fixedly connected with a connecting rod (11), the bottom ends of the two connecting rods (11) are slidably extended to the outside of the fixed box (7), and the bottom ends of the two connecting rods (11) are connected to the support plate (4).

3. The automatic multi-spot stud welding device according to claim 2, characterized in that: A synchronous wheel (12) is fixedly sleeved on each of the two second threaded rods (9), a synchronous belt (13) is wound between the two synchronous wheels (12), a driven gear (14) is fixedly sleeved on the corresponding second threaded rod (9), a first servo motor (15) is fixedly connected inside the partition (8), an output shaft of the first servo motor (15) is fixedly connected to a driving gear (16), and the driving gear (16) is meshed with the driven gear (14).

4. The automatic multi-spot stud welding device according to claim 1, characterized in that: A plurality of cushion columns (17) are fixedly connected to the top of the storage platform (2), and a plurality of limit plates (18) are fixedly connected to the top of the storage platform (2).

5. The automatic multi-spot stud welding device according to claim 1, characterized in that: A second servo motor (19) is fixedly connected to the moving frame (1); an output shaft of the second servo motor (19) is fixedly connected to a third threaded rod (20); a moving block (21) is threadedly sleeved on the third threaded rod (20); and the moving block (21) is connected to the storage table (2).

6. The automatic multi-spot stud welding device according to claim 1, characterized in that: Two slide rails (22) are fixedly connected inside the movable frame (1), and two slide plates (23) are fixedly connected to the bottom of the storage table (2), and the bottoms of the two slide plates (23) respectively slide and extend into the corresponding slide rails (22).

7. The automatic multi-spot stud welding device according to claim 2, characterized in that: Two anti-deflection rods (24) are fixedly connected inside the fixed box (7), and the two anti-deflection rods (24) respectively slide through the corresponding lifting blocks (10).

8. The automatic multi-spot stud welding device according to claim 1, characterized in that: A plurality of extension rods (25) are fixedly connected to the bottom of the support plate (4), and a wear-resistant pad (26) is fixedly connected to the bottom end of the extension rod (25).

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