Automatic welding machine with workpiece clamping mechanism

Abstract

The utility model relates to the technical field of welding processing equipment, and discloses an automatic welding machine with a workpiece clamping mechanism, which comprises a processing box, the left side and the right side of the bottom of the processing box are respectively provided with a first sliding groove, the inner wall of each first sliding groove is connected with a first sliding block in a sliding mode, and a scrap box is fixedly connected between the first sliding blocks. First linear guide rails are fixedly connected to the outer walls of the left side and the right side of the machining box correspondingly, first sliding blocks are slidably connected to the outer walls of the first linear guide rails, and connecting columns are fixedly connected to the tops of the first sliding blocks. Adjustment is carried out through the telescopic column in the fixing column, welding is carried out when the bearing plate makes contact with the pressure sensor and stops moving, impurities on the surface of a workpiece are blown away through the draught fan, and the welding quality is guaranteed; the workpiece needing to be welded is clamped through the spring on the inner wall of the clamping plate and the telescopic rod; the first motor drives the fixing disc to rotate, workpieces of different sizes are clamped, the upper faces and the lower faces of the different workpieces are welded, and operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of welding processing equipment, in particular to an automatic welding machine with a workpiece clamping mechanism. Background Art

[0002] Welding is the process of connecting metal parts using various fusible alloys (solder). The melting point of solder is lower than that of the material being welded, so that the parts can be welded through the molecular contact on their surface without being melted. Auto parts are the various units that make up the whole car and a product that serves the car. There are many types of auto parts, and their uses are also different. They play different functional roles when used in automobile assembly. In the production process of automobiles, it is often necessary to weld some workpieces with high relative positioning requirements and a large number of them, so it is necessary to use a welding positioning device to process the workpieces.

[0003] After searching, the existing Chinese patent announcement number is: CN213827739U, which provides a clamping device for a fully automatic welding machine. This patent has the advantages of simple operation and strong practicality through the setting of a motor, a rotating shaft, a connecting sleeve, a connecting rod, a mounting plate, a buffer mechanism and a positioning plate. It can clamp workpieces of different specifications according to needs.

[0004] Although the above patent can clamp workpieces of different specifications according to needs, the above-mentioned clamping device for a fully automatic welding machine still has the following problems: At present, when welding the workpiece, it is necessary to keep the surface of the workpiece clean so that there are no impurities left on the surface of the workpiece by welding. It is difficult to ensure that there are no impurities on the surface of the workpiece. If there are impurities during welding, the quality of welding will be reduced.

[0005] In view of the above problems, an automatic welding machine with a workpiece clamping mechanism is proposed. Utility Model Content

[0006] The purpose of the utility model is to provide an automatic welding machine with a workpiece clamping mechanism, which solves the problem that the workpiece needs to be welded in the background technology and the surface of the workpiece needs to be kept clean so that there are no impurities left on the workpiece surface by welding. It is difficult to ensure that there are no impurities on the workpiece surface. When there are impurities during welding, the quality of welding is reduced.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic welding machine with a workpiece clamping mechanism, comprising a processing box, wherein first slide grooves are provided on both sides of the bottom of the processing box, a first slider is slidably connected to the inner wall of the first slide groove, a waste chip box is fixedly connected between the first sliders, the outer walls of the left and right sides of the processing box are fixedly connected to first linear guide rails, the outer wall of the first linear guide rail is slidably connected to a first sliding block, the top of the first sliding block is fixedly connected to a connecting column, the top of the connecting column is fixedly connected to a cross plate, the bottom of the cross plate is fixedly connected to a second linear guide rail, and the The outer wall of the second linear guide rail is slidably connected to a second sliding block, a moving plate is fixedly connected to the bottom of the second sliding block, fixed columns are fixedly connected to the left and right sides of the bottom of the moving plate, a telescopic column is slidably connected to the inner wall of the fixed column, a hydraulic cylinder is fixedly connected to the bottom of the middle end of the moving plate, a bearing plate is fixedly connected to the output end of the hydraulic cylinder, a laser welding head is fixedly connected to the bottom of the bearing plate, a moving disk is fixedly connected to the bottom of the telescopic column, fans are fixedly connected to the left and right sides of the bottom of the moving disk, a pressure sensor is fixedly connected to the left side of the top of the moving disk, and a rotating component is arranged on the inner wall of the processing box.

[0008] By adopting the above technical solution, the position of the movable plate is moved by means of the fixed column, the telescopic column and the latch, and is adjusted according to different welding needs. The pressure sensor is contacted by the bearing plate, and the pressure is contacted, so that the hydraulic cylinder stops moving, thereby improving the quality of welding.

[0009] As a further description of the above technical solution: the rotating assembly includes a first motor, the first motor is fixedly connected to the right inner wall of the processing box, the output end of the first motor is fixedly connected to a fixed disk, and the rear end of the fixed disk is fixedly connected to an L-shaped plate.

[0010] By adopting the above technical solution, the fixed disk is driven to rotate by the first motor, so that the connecting column on the left side of the rotating disk rotates inside the processing box.

[0011] As a further description of the above technical solution: the front end of the L-shaped plate is fixedly connected to a second motor, and the output end of the second motor is fixedly connected to a gear.

[0012] By adopting the above technical solution, the second motor passes through the fixed disk, the output end is fixed to the gear, the fixed disk does not rotate, and the gear rotates.

[0013] As a further description of the above technical solution: second sliding grooves are provided on the diagonally opposite inner walls at the upper and lower ends of the fixed plate, and the inner wall of the second sliding groove is slidably connected to a second sliding block.

[0014] By adopting the above technical solution, the second sliding block is enabled to slide on the inner wall through the second sliding groove.

[0015] As a further description of the above technical solution: a rack is fixedly connected to the other end of the second sliding block, and the rack is meshingly connected to the gear.

[0016] By adopting the above technical solution, the rack is driven to move left and right by the rotation of the gear.

[0017] As a further description of the above technical solution: the outer wall of the front end of the fixed plate is fixedly connected with a guide block, the inner wall of the guide block is slidably connected with a moving block, the front end of the moving block is fixedly connected with a splint, the bottom of the splint is fixedly connected with a connecting block, and the connecting block is fixedly connected to the splint.

[0018] By adopting the above technical solution, the moving block is guided and limited by the guide block.

[0019] As a further description of the above technical solution: the inner wall of one opposite side of the clamp is fixedly connected with a spring, and the other end of the spring is fixedly connected with a telescopic rod.

[0020] By adopting the above technical solution, the workpiece is flexibly clamped by the spring and the telescopic rod.

[0021] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0022] 1. The utility model provides an automatic welding machine with a workpiece clamping mechanism. First, the telescopic column inside the fixed column is adjusted to make the movable plate downward, and the adjustment is made according to different welding needs. The hydraulic cylinder drives the bearing plate and the laser welding head to move downward, and the bearing plate contacts the pressure sensor, stops the movement and performs welding. The impurities on the surface of the workpiece are blown away by the fan to ensure the quality of welding.

[0023] 2. The utility model provides an automatic welding machine with a workpiece clamping mechanism, in which the second motor drives the gear to rotate, the gear drives the rack to move left and right, the rack drives the connecting block and the clamping plate to move, the workpiece to be welded is clamped by the spring and the telescopic rod on the inner wall of the clamping plate, the first motor drives the fixed plate to rotate, the workpieces of different sizes are clamped, and the upper and lower surfaces of different workpieces are welded, which is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the first motor structure of the utility model;

[0026] Figure 3 It is a structural schematic diagram of a fixed column of the utility model;

[0027] Figure 4 It is a schematic diagram of the structure of the gear of the utility model;

[0028] Figure 5 It is a schematic diagram of the explosion structure of the splint of the utility model.

[0029] In the figure: 1. processing box; 2. first slide groove; 3. first slider; 4. waste box; 5. first linear guide; 6. first sliding block; 7. connecting column; 8. cross plate; 9. second linear guide; 10. second sliding block; 11. moving plate; 12. fixed column; 13. first motor; 14. fixed plate; 15. hydraulic cylinder; 16. telescopic column; 17. bearing plate; 18. laser welding head; 19. pressure sensor; 20. moving plate; 21. fan; 22. L-shaped plate; 23. second motor; 24. gear; 25. rack; 26. second slide groove; 27. second slider; 28. guide block; 29. ​​moving block; 30. connecting block; 31. clamping plate; 32. spring; 33. telescopic rod. DETAILED DESCRIPTION

[0030] The following will refer to 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 of 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.

[0031] In order to further understand the content of the utility model, the utility model is described in detail with reference to the accompanying drawings.

[0032] Reference Figure 1 and Figure 2 The utility model is an automatic welding machine with a workpiece clamping mechanism, including a processing box 1, a first slide groove 2 is opened on both sides of the bottom of the processing box 1, a first slider 3 is slidably connected to the inner wall of the first slide groove 2, a waste box 4 is fixedly connected between the first sliders 3, the waste box 4 is taken out through the first slide groove 2 and the first slider 3, and the impurities in the waste box 4 are cleaned, and the outer walls of the left and right sides of the processing box 1 are fixedly connected with first linear guides 5, and the front and rear ends of the first linear guide 5 have limiting blocks, which limit the first sliding block 6, and the outer wall of the first linear guide 5 is slidably connected with a first sliding block 6, and the top of the first sliding block 6 is fixedly connected with a connecting column 7, and the top of the connecting column 7 is fixedly connected with a cross plate 8, and the first linear guide 5 and the first sliding block 6 are moved to drive the connecting column 7 and the cross plate 8 to move forward and backward.

[0033] Reference Figure 3The bottom of the horizontal plate 8 is fixedly connected to a second linear guide rail 9, and the outer wall of the second linear guide rail 9 is slidably connected to a second sliding block 10. The bottom of the second sliding block 10 is fixedly connected to a moving plate 11. The left and right sides of the bottom of the moving plate 11 are fixedly connected to fixed columns 12. The inner wall of the fixed column 12 is slidably connected to a telescopic column 16. The bottom of the middle end of the moving plate 11 is fixedly connected to a hydraulic cylinder 15. The output end of the hydraulic cylinder 15 is fixedly connected to a bearing plate 17. The bottom of the bearing plate 17 is fixedly connected to a laser welding head 18. When welding the workpiece, when the protective gas is injected, the fan 21 stops rotating. The bottom of the telescopic column 16 is fixedly connected to a moving disk 20. The left and right sides of the bottom of the moving disk 20 are fixed A fan 21 is fixedly connected, and a pressure sensor 19 is fixedly connected to the left side of the top of the movable plate 20. The movable plate 11 is moved by the second linear guide 9 and the second sliding block 10. The telescopic column 16 is adjusted by the fixed column 12 and the telescopic column 16 at the bottom of the movable plate 11 to make the movable plate 20 move downward. It is adjusted according to different welding needs. The bearing plate 17 is driven to move downward by the hydraulic cylinder 15, so that the laser welding head 18 moves downward. When the bearing plate 17 contacts the pressure sensor 19, the hydraulic cylinder 15 stops moving downward and welding is carried out. Impurities on the surface of the workpiece are blown away by the fan 21 to ensure the quality of welding.

[0034] Reference Figure 4 and Figure 5A rotating assembly is provided on the inner wall of the processing box 1, and the rotating assembly includes a first motor 13, the first motor 13 is fixedly connected to the inner wall on the right side of the processing box 1, the output end of the first motor 13 is fixedly connected to a fixed disk 14, the rear end of the fixed disk 14 is fixedly connected to an L-shaped plate 22, the front end of the L-shaped plate 22 is fixedly connected to a second motor 23, the output end of the second motor 23 is fixedly connected to a gear 24, and second slide grooves 26 are provided on the diagonally opposite inner walls at the upper and lower ends of the fixed disk 14, and a second slider 27 is slidably connected to the inner wall of the second slide groove 26, and a rack 25 is fixedly connected to the other end of the second slider 27, and the rack 25 is meshed with the gear 24, and the outer wall of the front end of the fixed disk 14 is fixedly connected to a guide block 28, and the inner wall of the guide block 28 is slidably connected to a moving block 29, and the front end of the moving block 29 is fixedly connected to a clamping plate 31, and the bottom of the clamping plate 31 is fixedly connected to a connecting block 30, and the connecting block The second motor 23 drives the gear 24 to rotate, and the gear 24 meshes with the rack 25, so that the rack 25 moves left and right, and the second slider 27 is driven by the rack 25 to slide on the inner wall of the second slide groove 26, so that the connecting block 30 at the top of the rack 25 moves, and drives the splint 31 to move, so that the moving blocks 29 at the upper and lower ends of the splint 31 slide on the inner wall of the guide block 28, so that the splint 31 moves, and the workpiece to be welded is clamped by the spring 32 and the telescopic rod 33 on the inner wall of the splint 31, and the fixed plate 14 is driven to rotate by the first motor 13, so that the connecting column fixed on the left side of the fixed plate 14 rotates inside the left side of the processing box 1.

[0035] Working principle: The gear 24 is driven to rotate by the second motor 23, and the gear 24 is meshed with the rack 25, so that the rack 25 moves left and right. The rack 25 moves and drives the second slider 27 to slide on the inner wall of the second slide groove 26, so that the connecting block 30 at the top of the rack 25 moves, driving the clamp 31 to move, so that the moving blocks 29 at the upper and lower ends of the clamp 31 slide on the inner wall of the guide block 28, so that the clamp 31 moves, and the workpiece to be welded is clamped by the spring 32 and the telescopic rod 33 on the inner wall of the clamp 31, and the first linear guide 5 and the first sliding block 6 are moved to drive the connecting column 7 and the cross plate 8 to move forward and backward, and the second linear guide 9 and the second sliding block 10 drive the moving plate 11 to move forward. The movable plate 20 is moved downward by adjusting the fixed column 12 and the telescopic column 16 at the bottom of the movable plate 11, and the adjustment is made according to different welding needs. The bearing plate 17 is driven downward by the hydraulic cylinder 15 to move the laser welding head 18 downward. When the bearing plate 17 contacts the pressure sensor 19, the hydraulic cylinder 15 stops moving downward to perform welding. The impurities on the surface of the workpiece are blown off by the fan 21 to ensure the quality of welding. The fixed plate 14 is driven to rotate by the first motor 13, so that the fixed connecting column on the left side of the fixed plate 14 rotates inside the left side of the processing box 1, and the waste box 4 is taken out by the first slide 2 and the first slider 3, and the impurities in the waste box 4 are cleaned.

[0036] 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.

[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 welding machine with a workpiece clamping mechanism, comprising a processing box (1), characterized in that: The processing box (1) is provided with a first slide groove (2) on both sides of the bottom, the first slide groove (2) is slidably connected to the inner wall of the first slide groove (2), and a waste chip box (4) is fixedly connected between the first slide blocks (3). The outer walls of the left and right sides of the processing box (1) are fixedly connected to first linear guide rails (5), the outer wall of the first linear guide rail (5) is slidably connected to a first sliding block (6), the top of the first sliding block (6) is fixedly connected to a connecting column (7), the top of the connecting column (7) is fixedly connected to a transverse plate (8), the bottom of the transverse plate (8) is fixedly connected to a second linear guide rail (9), the outer wall of the second linear guide rail (9) is slidably connected to a second sliding block (10), the bottom of the second sliding block (10) is fixedly connected to the outer wall of the second linear guide rail (9). A movable plate (11) is fixedly connected, and fixed columns (12) are fixedly connected on both left and right sides of the bottom of the movable plate (11), and a telescopic column (16) is slidably connected to the inner wall of the fixed column (12). A hydraulic cylinder (15) is fixedly connected to the bottom of the middle end of the movable plate (11), and a bearing plate (17) is fixedly connected to the output end of the hydraulic cylinder (15), and a laser welding head (18) is fixedly connected to the bottom of the bearing plate (17), and a movable disk (20) is fixedly connected to the bottom of the telescopic column (16), and fans (21) are fixedly connected to the left and right sides of the bottom of the movable disk (20), and a pressure sensor (19) is fixedly connected to the left side of the top of the movable disk (20), and a rotating component is arranged on the inner wall of the processing box (1).

2. The automatic welding machine with a workpiece clamping mechanism according to claim 1, characterized in that: The rotating assembly comprises a first motor (13), the first motor (13) is fixedly connected to the right inner wall of the processing box (1), the output end of the first motor (13) is fixedly connected to a fixed disk (14), and the rear end of the fixed disk (14) is fixedly connected to an L-shaped plate (22).

3. The automatic welding machine with a workpiece clamping mechanism according to claim 2, characterized in that: The front end of the L-shaped plate (22) is fixedly connected to a second motor (23), and the output end of the second motor (23) is fixedly connected to a gear (24).

4. The automatic welding machine with a workpiece clamping mechanism according to claim 2, characterized in that: Second sliding grooves (26) are provided on the diagonally opposite inner walls at the upper and lower ends of the fixed plate (14), and a second sliding block (27) is slidably connected to the inner wall of the second sliding groove (26).

5. The automatic welding machine with a workpiece clamping mechanism according to claim 4, characterized in that: The other end of the second sliding block (27) is fixedly connected with a rack (25), and the rack (25) is meshingly connected with the gear (24).

6. The automatic welding machine with a workpiece clamping mechanism according to claim 2, characterized in that: The front end outer wall of the fixed plate (14) is fixedly connected with a guide block (28), the inner wall of the guide block (28) is slidably connected with a moving block (29), the front end of the moving block (29) is fixedly connected with a clamping plate (31), the bottom of the clamping plate (31) is fixedly connected with a connecting block (30), and the connecting block (30) is fixedly connected to the clamping plate (31).

7. The automatic welding machine with a workpiece clamping mechanism according to claim 6, characterized in that: The inner wall of one opposite side of the clamping plate (31) is fixedly connected with a spring (32), and the other end of the spring (32) is fixedly connected with a telescopic rod (33).

Images