Welding device for transmission shaft machining

Abstract

The utility model relates to the field of transmission shaft machining, in particular to a welding device for transmission shaft machining, which comprises a workbench and a clamping tool, a support frame is fixedly mounted at the lower end of the workbench, a mounting plate is fixedly mounted on the rear side of the upper end of the workbench, and a positioning side plate is fixedly mounted at the front end of the mounting plate. A clamping tool is arranged on the positioning side plate, a top plate is fixedly mounted at the top of the front end of the mounting plate, a lifting air cylinder is arranged on the top plate, a lifting seat is fixedly mounted at the output end of the lifting air cylinder, a welding gun is arranged at the lower end of the lifting seat, and a driving motor is arranged on the upper end face of the workbench and located on the side of the positioning side plate. The two sides of the transmission shaft are clamped and fixed through the multiple clamping tools, supporting is formed, the butt joint stability is guaranteed, the drive motor is used for driving the transmission rod to rotate, the small gears on the two sides synchronously drive the positioning sleeve to rotate, the transmission shaft is synchronously driven to rotate during welding, and welding work is facilitated.

Description

Technical Field

[0001] The utility model relates to the field of transmission shaft processing, in particular to a welding device for transmission shaft processing. Background Art

[0002] The drive shaft is composed of a shaft tube, a telescopic sleeve and a universal joint, and is commonly used in the transmission structure of automobiles. During the processing of the drive shaft, some structures need to be welded to the drive shaft.

[0003] The existing welding device for processing the transmission shaft needs to fix the transmission shaft, but when fixing the transmission shaft, the end head will be clamped and fixed. The transmission shaft is heavy, which is not only time-consuming and labor-intensive, but also lacks a supporting structure, affecting the stability of the alignment, which is very inconvenient.

[0004] Therefore, in order to solve the problem that the existing transmission shaft processing welding device lacks a supporting structure and affects the stability of alignment, a transmission shaft processing welding device can be designed to support and clamp the transmission shaft to facilitate docking. Utility Model Content

[0005] In order to overcome the problem that the existing transmission shaft processing welding device lacks a supporting structure, which affects the stability of alignment.

[0006] The technical solution of the utility model is: a welding device for processing a transmission shaft, comprising a workbench and a clamping fixture, a support frame fixedly installed at the lower end of the workbench, a mounting plate fixedly installed on the rear side of the upper end of the workbench, a positioning side plate fixedly installed on the front end of the mounting plate, a clamping fixture provided on the positioning side plate, a top plate fixedly installed on the top of the front end of the mounting plate, a lifting cylinder provided on the top plate, a lifting seat fixedly installed on the output end of the lifting cylinder, a welding gun provided on the lower end of the lifting seat, a driving motor provided on the upper end surface of the workbench at the side of the positioning side plate, and a transmission structure provided on the upper end surface of the workbench at the rear side of the driving motor;

[0007] The clamping tooling includes a positioning sleeve, a clamping plate is provided on the inner side of the positioning sleeve, the left and right ends of the clamping plate are movably connected to the positioning sleeve through an electric push rod, and a tooth groove is provided on the outer surface of the positioning sleeve.

[0008] Preferably, two groups of positioning side plates are symmetrically arranged on the left and right sides of the top plate, with two positioning side plates in each group. The left and right ends of the top plate are respectively fixedly connected to the positioning side plates to facilitate docking when the transmission shaft is welded.

[0009] Preferably, a welding chamber is provided between the workbench, the positioning side plate and the top plate, and a door is provided at the front end of the welding chamber. The left end of the door and the positioning side plate are rotatably connected by a hinge to form a seal at the welding point to prevent the welding gas from overflowing.

[0010] Preferably, a smoke outlet is provided on the surface of the mounting plate located inside the welding chamber, a filter box is fixedly installed at the rear end of the mounting plate, the front end of the filter box is connected to the smoke outlet, a fan is fixedly installed at the upper end of the workbench located at the rear side of the mounting plate, the output end of the fan and the lower end of the filter box are connected by a pipeline, and an activated carbon adsorption filter is provided in the filter box to facilitate filtering of the gas generated by welding.

[0011] Preferably, guide rods are fixedly installed on both the front and rear sides of the upper end of the lifting seat, and the upper ends of the guide rods are slidably connected to the top plate to facilitate adjustment of the height of the welding gun.

[0012] Preferably, the transmission structure includes a transmission rod, and small gears are fixedly installed on both ends of the left and right ends of the transmission rod. The left and right ends of the transmission rod surface are rotatably connected through a bearing seat and a workbench. A bevel gear is fixedly installed on the surface of the transmission rod, and the output end of the drive motor is fixedly installed with the same bevel gear. The two bevel gears are meshed and connected, and the transmission of the transmission structure is utilized to facilitate the drive motor to drive the positioning sleeve to rotate.

[0013] Preferably, the pinion and the tooth groove are meshed and connected, the positioning sleeve and the positioning side plate are rotatably connected through bearings, and the left and right ends of the positioning sleeve extend to the left and right sides of the positioning side plate respectively. Two clamping plates are symmetrically arranged on the upper and lower sides of the positioning sleeve. The electric push rod is fixedly connected to the surface of the connecting plate and the positioning sleeve. The electric push rod drives the clamping plate to move, which is convenient for clamping and fixing the drive shaft.

[0014] Beneficial effects of the utility model:

[0015] 1. The transmission shaft processing welding device uses multiple clamping fixtures to clamp and fix both sides of the transmission shaft and form a support to ensure the stability of the docking. The drive motor drives the transmission rod to rotate, and the small gears on both sides synchronously drive the positioning sleeve to rotate. During welding, the transmission shaft is synchronously driven to rotate, which facilitates the welding work.

[0016] 2. The welding device for processing the transmission shaft uses positioning side plates, top plates and mounting plates to form a closed welding chamber, which is convenient for protecting the welding points and preventing the harmful gases generated by welding from spreading everywhere. The fan is used for exhaust and the gas is sucked into the filter box to filter the harmful gases, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Shown is a schematic diagram of the overall structure of the welding device for processing the transmission shaft of the present utility model;

[0018] Figure 2 Shown is a schematic diagram of the positioning side plate structure of the welding device for processing the transmission shaft of the present invention;

[0019] Figure 3Shown is a schematic diagram of the front view of the workbench of the welding device for processing the transmission shaft of the present invention;

[0020] Figure 4 Shown is a schematic diagram of the top view of the welding device for processing a transmission shaft of the present invention;

[0021] Figure 5 Shown is a schematic diagram of the clamping tooling structure of the welding device for driving shaft processing of the present invention.

[0022] Explanation of the accompanying reference numerals: 1. Workbench; 2. Support frame; 3. Mounting plate; 31. Smoke outlet; 32. Filter box; 33. Fan; 4. Positioning side panel; 41. Positioning sleeve; 42. Clamping plate; 43. Electric push rod; 44. Tooth groove; 5. Top plate; 51. Warehouse door; 6. Lifting cylinder; 7. Lifting seat; 71. Guide rod; 8. Welding gun; 9. Drive motor; 10. Transmission rod; 11. Pinion; 12. Bevel gear. DETAILED DESCRIPTION

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0024] See also Figure 1-Figure 5 The utility model provides an embodiment: a welding device for processing a transmission shaft, comprising a workbench 1, and also comprising a clamping fixture. A support frame 2 is fixedly installed at the lower end of the workbench 1, a mounting plate 3 is fixedly installed on the rear side of the upper end of the workbench 1, a positioning side plate 4 is fixedly installed on the front end of the mounting plate 3, a clamping fixture is provided on the positioning side plate 4, a top plate 5 is fixedly installed on the top of the front end of the mounting plate 3, a lifting cylinder 6 is provided on the top plate 5, a lifting seat 7 is fixedly installed on the output end of the lifting cylinder 6, a guide rod 71 is fixedly installed on the front and rear sides of the upper end of the lifting seat 7, the upper end of the guide rod 71 is slidably connected to the top plate 5, a welding gun 8 is provided at the lower end of the lifting seat 7, the upper end surface of the workbench 1 is located on the side of the positioning side plate 4, and a driving motor 9 is provided. The upper end surface of the workbench 1 is located on the rear side of the driving motor 9 and a transmission structure is provided.

[0025] The clamping tooling includes a positioning sleeve 41, and a clamping plate 42 is provided on the inner side of the positioning sleeve 41. The left and right ends of the clamping plate 42 are movably connected to the positioning sleeve 41 through an electric push rod 43. The outer surface of the positioning sleeve 41 is provided with a tooth groove 44. The drive shaft is placed in the positioning sleeve 41, and the electric push rod 43 pushes the clamping plate 42 to clamp and fix the drive shaft, and support the drive shaft to increase stability. At the same time, the docking point is located below the top plate 5, which is convenient for sealing to prevent welding gas from overflowing.

[0026] Please refer to 1. Figure 2 、 Figure 3 and Figure 5The left and right ends of the top plate 5 are fixedly connected to the positioning side plates 4 respectively. A welding chamber is provided between the workbench 1, the positioning side plates 4 and the top plate 5. A warehouse door 51 is provided at the front end of the welding chamber. The left end of the warehouse door 51 is rotatably connected to the positioning side plates 4 by a hinge. The surface of the mounting plate 3 is located on the inner side of the welding chamber and is provided with a smoking port 31. The rear end of the mounting plate 3 is fixedly installed with a filter box 32. The front end of the filter box 32 is connected to the smoking port 31. The upper end of the workbench 1 is located at the rear side of the mounting plate 3 and is fixedly installed with a fan 33. The output end of the fan 33 and the lower end of the filter box 32 are connected by a pipeline. An activated carbon adsorption filter is provided in the filter box 32. The welding chamber formed by the positioning side plates 4 and the top plate 5 can be sealed to prevent the welding gas from overflowing, and the fan 33 is used to exhaust the welding gas into the filter box 32, which is convenient for filtering and adsorbing harmful gases.

[0027] See also Figure 1 、 Figure 2 、 Figure 3 and Figure 4 In this embodiment, the transmission structure includes a transmission rod 10, and pinions 11 are fixedly installed on both ends of the transmission rod 10. The left and right ends of the surface of the transmission rod 10 are rotatably connected to the workbench 1 through a bearing seat. A bevel gear 12 is fixedly installed on the surface of the transmission rod 10, and the output end of the drive motor 9 is fixedly installed with the same bevel gear 12. The two bevel gears 12 are meshed and connected. The drive motor 9 drives the bevel gear 12 to rotate, so that the transmission rod 10 synchronously drives the pinions 11 on both sides to rotate to realize transmission.

[0028] See also Figure 1 、 Figure 3 、 Figure 5 In this embodiment, the pinion 11 and the tooth groove 44 are engaged and connected, the positioning sleeve 41 and the positioning side plate 4 are rotatably connected through the bearing, and the left and right ends of the positioning sleeve 41 extend to the left and right sides of the positioning side plate 4 respectively, and two clamping plates 42 are symmetrically arranged on the upper and lower sides of the positioning sleeve 41. The electric push rod 43 is fixedly connected to the surface of the positioning sleeve 41 through the connecting plate. The engagement of the pinion 11 and the tooth groove 44 is used to drive the positioning sleeve 41 to rotate. During the welding process, the drive shaft is driven to rotate to facilitate welding.

[0029] During operation, the transmission shaft is placed in the positioning sleeve 41, and the electric push rod 43 pushes the clamping plate 42 to clamp and fix the transmission shaft, and supports the transmission shaft to increase stability. The welded parts are placed on both sides respectively and connected in the welding cavity. The welding cavity formed by the positioning side plates 4 and the top plate 5 can seal the welding point to prevent the welding gas from overflowing, and the fan 33 is used to extract the air and let the welding gas enter the filter box 32 to facilitate the filtration and adsorption of harmful gases. The driving motor 9 drives the bevel gear 12 to rotate, so that the transmission rod 10 synchronously drives the small gears 11 on both sides to rotate to realize transmission. The engagement of the small gear 11 and the tooth groove 44 drives the positioning sleeve 41 to rotate. During the welding process, the drive shaft is driven to rotate to facilitate welding.

[0030] Through the above steps, the drive shaft is placed in the positioning sleeve 41, and the electric push rod 43 pushes the clamping plate 42 to clamp and fix the drive shaft, and support the drive shaft to increase stability. At the same time, the docking point is located below the top plate 5, which is convenient for sealing and prevents welding gas from overflowing, so as to solve the problem that the existing welding device for drive shaft processing lacks a support structure, affecting the stability of alignment.

Claims

1. A welding device for processing a transmission shaft, comprising a workbench (1), characterized in that: The machine tool further comprises a clamping tool, wherein a support frame (2) is fixedly mounted on the lower end of the workbench (1), a mounting plate (3) is fixedly mounted on the rear side of the upper end of the workbench (1), a positioning side plate (4) is fixedly mounted on the front end of the mounting plate (3), a clamping tool is arranged on the positioning side plate (4), a top plate (5) is fixedly mounted on the top of the front end of the mounting plate (3), a lifting cylinder (6) is arranged on the top plate (5), a lifting seat (7) is fixedly mounted on the output end of the lifting cylinder (6), a welding gun (8) is arranged on the lower end of the lifting seat (7), a driving motor (9) is arranged on the upper end surface of the workbench (1) at the side of the positioning side plate (4), and a transmission structure is arranged on the rear side of the driving motor (9) on the upper end surface of the workbench (1); The clamping tool comprises a positioning sleeve (41), a clamping plate (42) is provided on the inner side of the positioning sleeve (41), the left and right ends of the clamping plate (42) are movably connected to the positioning sleeve (41) through an electric push rod (43), and a tooth groove (44) is provided on the outer surface of the positioning sleeve (41).

2. The transmission shaft processing welding device according to claim 1, characterized in that: Two groups of positioning side plates (4) are symmetrically arranged on the left and right sides of the top plate (5), and each group of positioning side plates (4) is provided with two. The left and right ends of the top plate (5) are respectively fixedly connected to the positioning side plates (4).

3. The transmission shaft processing welding device according to claim 1, characterized in that: A welding chamber is provided between the workbench (1), the positioning side plate (4) and the top plate (5); a chamber door (51) is provided at the front end of the welding chamber; the left end of the chamber door (51) and the positioning side plate (4) are rotatably connected via a hinge.

4. The transmission shaft processing welding device according to claim 3, characterized in that: The surface of the mounting plate (3) is located inside the welding chamber and is provided with a smoking port (31). A filter box (32) is fixedly installed at the rear end of the mounting plate (3). The front end of the filter box (32) is connected to the smoking port (31). The upper end of the workbench (1) is located at the rear side of the mounting plate (3) and is fixedly provided with a fan (33). The output end of the fan (33) and the lower end of the filter box (32) are connected through a pipeline. An activated carbon adsorption filter is provided in the filter box (32).

5. The transmission shaft processing welding device according to claim 1, characterized in that: Guide rods (71) are fixedly mounted on both the front and rear sides of the upper end of the lifting seat (7), and the upper end of the guide rod (71) is slidably connected to the top plate (5).

6. The welding device for processing a transmission shaft according to claim 1, characterized in that: The transmission structure comprises a transmission rod (10), a pinion (11) is fixedly mounted on both left and right ends of the transmission rod (10), the left and right ends of the surface of the transmission rod (10) are rotatably connected to the workbench (1) via a bearing seat, a bevel gear (12) is fixedly mounted on the surface of the transmission rod (10), and the output end of the drive motor (9) is fixedly mounted with the same bevel gear (12), and the two bevel gears (12) are meshed and connected.

7. The transmission shaft processing welding device according to claim 1, characterized in that: The pinion (11) and the tooth groove (44) are meshed and connected, the positioning sleeve (41) and the positioning side plate (4) are rotatably connected through a bearing, and the left and right ends of the positioning sleeve (41) extend to the left and right sides of the positioning side plate (4) respectively, and two clamping plates (42) are symmetrically provided on the upper and lower sides of the positioning sleeve (41), and the electric push rod (43) is fixedly connected to the surface of the positioning sleeve (41) through the connecting plate.

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