Welding fixture capable of adjusting angle

Abstract

An angle-adjustable welding fixture comprises a rotary table and a clamping mechanism, the rotary table is rotatably arranged on a rack, positioning insertion holes are distributed in the rotary table, a positioning structure capable of being inserted into the positioning insertion holes is arranged on the rack, the clamping mechanism is connected to the rotary table, the clamping mechanism comprises a positioning seat and a rotating sleeve, and the rotating sleeve is sleeved with the positioning seat. A positioning shaft is arranged on the positioning seat, the rotating sleeve can be rotationally connected to the positioning shaft in a sleeving mode, a second positioning structure capable of being fixed to the positioning shaft is arranged on the rotating sleeve, and a mounting groove capable of being clamped into a tubular part is formed in the rotating sleeve. The welding fixture has the advantages that the rotating sleeve can rotate in the horizontal direction and the vertical direction relative to the rack, so that the rotating direction of the welding fixture is increased, and the opening direction of the mounting groove of the welding fixture can be better adjusted; and the tubular part can be clamped in the mounting groove, so that the tubular part can be conveniently fixed by the welding fixture, and the fixing effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of welding auxiliary device manufacturing, in particular to a welding fixture capable of adjusting the angle. Background Art

[0002] In order to facilitate the operation of the welding gun during welding, a welding fixture can be set up to clamp the workpiece to be welded. This will improve stability, welding effect, and safety of use.

[0003] There is a Chinese utility model patent with application number CN202320896562.3 and the name of "A welding fixture with a rotatable adjustable station" which discloses a welding fixture with a rotatable adjustable station, including a fixed structure and a clamping structure, wherein the clamping structure is fixedly connected to the outer surface of the fixed structure, the fixed structure includes a support unit and a connection unit, the connection unit is fixedly connected to the top surface of the support unit, the clamping structure includes a turntable unit, a clamping plate unit, a gear transmission unit and a handle unit, the turntable unit is fixedly connected to the outer surface of the connection unit, the clamping plate unit is movably connected to the top surface of the turntable unit, the gear transmission unit is fixedly connected to the top surface of the turntable unit, and the handle unit is placed on the inner surface of the connection unit. The welding fixture with a rotatable adjustable station can clamp the parts without the need for power drive through the handle and the rotating shaft, and can also be rotated to adjust the position. However, the welding fixture is inconvenient to fix some tubular parts, and can only adjust the angle in the horizontal direction, so the structure of the welding fixture needs to be further improved. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a welding fixture which can adjust the angle in both horizontal and vertical directions and is convenient for fixing tubular parts in view of the above-mentioned existing technical status.

[0005] The technical solution adopted by the utility model to solve the above technical problems is: a welding fixture with adjustable angle, including a turntable and a clamping mechanism, characterized in that: the turntable can be rotatably arranged on a frame, positioning holes are distributed on the turntable, a positioning structure that can be plugged into the positioning holes is arranged on the frame, the clamping mechanism is connected to the turntable, the clamping mechanism includes a positioning seat and a rotating sleeve, a positioning shaft is arranged on the positioning seat, the rotating sleeve can be rotatably sleeved on the positioning shaft, a second positioning structure that can be fixed with the positioning shaft is arranged on the rotating sleeve, and a mounting groove that can be clamped into a tubular part is arranged on the rotating sleeve.

[0006] As an improvement, a third positioning structure capable of tightening the tubular part may preferably be provided on the side wall of the installation groove.

[0007] As a further improvement, the positioning seat may preferably include a base plate and a support plate, the support plate is vertically arranged, the positioning shaft is connected to the upper part of the support plate, the lower part of the support plate is fixed to the base plate, and the base plate is detachably connected to the turntable.

[0008] As a further improvement, threaded holes may be preferably distributed on the bottom plate, and the bottom plate is fixed to the turntable by screws passing through the threaded holes.

[0009] As a further improvement, the side of the support plate may preferably be provided with reinforcing ribs.

[0010] As an improvement, the second positioning structure may preferably include screw holes, connecting nuts and positioning screws that are spaced apart on the outer wall of the rotating sleeve, the connecting nuts are welded to the outer wall of the rotating sleeve corresponding to the screw holes, the middle screw holes of the connecting nuts correspond one-to-one with the screw holes on the rotating sleeve, the positioning screws are threadedly connected to the corresponding connecting nuts, and the ends of the positioning screws pass through the screw holes on the rotating sleeve and touch the outer wall of the positioning shaft.

[0011] As a further improvement, the rotating sleeve may preferably include a horizontal sleeve and a vertical sleeve, one end of the horizontal sleeve is fixed to the outer wall of the vertical sleeve, the other end of the horizontal sleeve is sleeved on the positioning shaft, and the mounting groove is arranged on the top of the vertical sleeve.

[0012] As a further improvement, the installation groove may preferably pass through the top of the vertical sleeve, and the bottom of the installation groove is arc-shaped.

[0013] As a further improvement, the third positioning structure may preferably include a threaded through hole arranged on the side wall of the vertical sleeve, a vertical sleeve nut is connected to the outer wall of the vertical sleeve corresponding to the threaded through hole, and a vertical sleeve screw is threadedly connected to the vertical sleeve nut.

[0014] As an improvement, the positioning structure may preferably include a latch and a rack socket provided on the rack, and the latch passes through the positioning socket on the turntable and is plugged into the rack socket.

[0015] Compared with the prior art, the utility model has the following advantages: the rotating sleeve can rotate relative to the positioning shaft, so that the rotating sleeve can rotate relative to the positioning seat, the rotating sleeve can rotate relative to the frame through the turntable, so that the rotating sleeve can rotate relative to the frame in the horizontal direction and the vertical direction, and the rotation direction of the welding fixture is increased, so that the opening direction of the mounting groove of the welding fixture can be better adjusted; the tubular parts can be clamped in the mounting groove, which facilitates the fixation of the welding fixture to the tubular parts, and the fixing effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional diagram of an embodiment of the utility model;

[0017] Figure 2 for Figure 1A stereogram at another angle;

[0018] Figure 3 yes Figure 1 Side projection of

[0019] Figure 4 yes Figure 3 Side projection after rotating the rotating sleeve;

[0020] Figure 5 yes Figure 1 A three-dimensional image after the moving rotating sleeve;

[0021] Figure 6 yes Figure 2 A magnified view of part I;

[0022] Figure 7 yes Figure 5 Enlarged view of part II. DETAILED DESCRIPTION

[0023] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0024] like Figures 1 to 7 As shown, the angle-adjustable welding fixture of this embodiment includes a turntable 1 and a clamping mechanism. The turntable 1 is rotatably arranged on a frame 2. Positioning sockets 11 are distributed on the turntable 1. A positioning structure that can be plugged into the positioning socket 11 is arranged on the frame 2. The clamping mechanism is connected to the turntable 1. The clamping mechanism includes a positioning seat 3 and a rotating sleeve 4. A positioning shaft 31 is arranged on the positioning seat 3. The rotating sleeve 4 can be rotatably sleeved on the positioning shaft 31. A second positioning structure that can be fixed with the positioning shaft 31 is arranged on the rotating sleeve 4. A mounting groove 41 that can be inserted into a tubular part is arranged on the rotating sleeve 4. A third positioning structure that can press against the tubular part is arranged on the side wall of the mounting groove 41. The positioning structure includes a latch and a frame socket arranged on the frame 2. The latch passes through the positioning socket on the turntable 1 and is plugged into the frame socket.

[0025] The positioning seat 3 includes a bottom plate and a support plate, the support plate is arranged vertically, the positioning shaft 31 is connected to the upper part of the support plate, the lower part of the support plate is fixed to the bottom plate, and the bottom plate is detachably connected to the turntable 1. The bottom plate is provided with threaded holes, and the bottom plate is fixed to the turntable 1 by screws passing through the threaded holes. A reinforcing rib 32 is arranged on the side of the support plate.

[0026] The second positioning structure includes screw holes, connecting nuts 42 and positioning screws 43 which are spaced apart on the outer wall of the rotating sleeve. The connecting nuts 42 are welded on the outer wall of the rotating sleeve corresponding to the screw holes. The middle screw holes of the connecting nuts 42 correspond to the screw holes on the rotating sleeve 4 one by one. The positioning screws 43 are screwed on the corresponding connecting nuts 42. The ends of the positioning screws 43 pass through the screw holes on the rotating sleeve 4 and contact the outer wall of the positioning shaft. The rotating sleeve 4 includes a horizontal sleeve and a vertical sleeve. One end of the horizontal sleeve is fixed to the outer wall of the vertical sleeve, and the other end of the horizontal sleeve is sleeved on the positioning shaft 31. The mounting groove 41 is set at the top of the vertical sleeve. The mounting groove 41 passes through the top of the vertical sleeve, and the bottom of the mounting groove 41 is arc-shaped.

[0027] The third positioning structure includes a threaded through hole arranged on the side wall of the vertical sleeve, and a vertical sleeve nut 44 is connected to the outer wall of the vertical sleeve corresponding to the threaded through hole, and a vertical sleeve screw rod 45 is threadedly connected to the vertical sleeve nut 44 .

Claims

1. A welding fixture capable of adjusting an angle, comprising a turntable (1) and a clamping mechanism, characterized in that: The turntable (1) is rotatably arranged on a frame (2); positioning holes (11) are distributed on the turntable (1); a positioning structure that can be plugged into the positioning holes (11) is arranged on the frame (2); the clamping mechanism is connected to the turntable (1); the clamping mechanism comprises a positioning seat (3) and a rotating sleeve (4); a positioning shaft (31) is arranged on the positioning seat (3); the rotating sleeve (4) is rotatably sleeved on the positioning shaft (31); a second positioning structure that can be fixed to the positioning shaft (31) is arranged on the rotating sleeve (4); and a mounting groove (41) that can be clamped into a tubular part is arranged on the rotating sleeve (4).

2. The welding fixture according to claim 1, characterized in that: A third positioning structure capable of tightening the tubular part is arranged on the side wall of the installation groove (41).

3. The welding fixture according to claim 2, characterized in that: The positioning seat (3) comprises a bottom plate and a support plate, the support plate is arranged vertically, the positioning shaft (31) is connected to the upper part of the support plate, the lower part of the support plate is fixed to the bottom plate, and the bottom plate is detachably connected to the turntable (1).

4. The welding fixture according to claim 3, characterized in that: The bottom plate is provided with threaded holes, and the bottom plate is fixed to the turntable (1) by means of screws passing through the threaded holes.

5. The welding fixture according to claim 4, characterized in that: The side of the support plate is provided with a reinforcing rib (32).

6. The welding fixture according to any one of claims 2 to 5, characterized in that: The second positioning structure comprises screw holes, connecting nuts (42) and positioning screws (43) which are spaced apart on the outer wall of the rotating sleeve. The connecting nuts (42) are welded to the outer wall of the rotating sleeve corresponding to the screw holes. The middle screw holes of the connecting nuts (42) correspond one to one with the screw holes on the rotating sleeve (4). The positioning screws (43) are screwed onto the corresponding connecting nuts (42). The ends of the positioning screws (43) pass through the screw holes on the rotating sleeve (4) and contact the outer wall of the positioning shaft.

7. The welding fixture according to claim 6, characterized in that: The rotating sleeve (4) comprises a horizontal sleeve and a vertical sleeve, one end of the horizontal sleeve is fixed to the outer wall of the vertical sleeve, the other end of the horizontal sleeve is sleeved on the positioning shaft (31), and the mounting groove (41) is arranged on the top of the vertical sleeve.

8. The welding fixture according to claim 7, characterized in that: The installation groove (41) passes through the top of the vertical sleeve, and the bottom of the installation groove (41) is in an arc shape.

9. The welding fixture according to claim 8, characterized in that: The third positioning structure comprises a threaded through hole arranged on the side wall of the vertical sleeve, a vertical sleeve nut (44) is connected to the vertical sleeve outer wall corresponding to the threaded through hole, and a vertical sleeve screw rod (45) is threadedly connected to the vertical sleeve nut (44).

10. The welding fixture according to any one of claims 1 to 5, characterized in that: The positioning structure comprises a latch and a frame socket arranged on the frame (2); the latch passes through the positioning socket on the turntable (1) and is plugged into the frame socket.

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