CN213163912U

CN213163912U - Rotatable welding fixture

Info

Publication number: CN213163912U
Application number: CN202021011521.4U
Authority: CN
Inventors: 郑佳宏; 赫文奇; 孙胜利; 李卫东; 郝艳会
Original assignee: HENAN RICHUANG GENERAL MACHINERY MANUFACTURE CO LTD
Current assignee: HENAN RICHUANG GENERAL MACHINERY MANUFACTURE CO LTD
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-05-11
Anticipated expiration: 2030-06-04

Abstract

The utility model provides a rotatable welding fixture, which comprises a support trolley and a rotatable fixture; the bottom of the supporting trolley is provided with a trundle, one end of the upper end surface of the supporting trolley is provided with a first supporting upright post, and the other end of the upper end surface of the supporting trolley is provided with a second supporting upright post; one end of the rotary clamp is rotationally connected with the first supporting upright post, the other end of the rotary clamp is rotationally connected with the second supporting upright post, a clamping space is formed on the rotary clamp and used for accommodating a workpiece, a pressing mechanism is arranged on the rotary clamp and used for locking the workpiece in the clamping space; two ends of the rotary clamp can rotate around the horizontal axial direction between the first supporting upright post and the second supporting upright post; the scheme provided by the utility model has the advantages of simple and reasonable structure, practicality, realization of streamlined operation, 360-degree rotation of the welding workpiece, no dead angle in the welding process, and suitability for welding large and small workpieces; and the workpiece is convenient to rotate and position.

Description

Rotatable welding fixture

Technical Field

The utility model belongs to the technical field of welding jig, concretely relates to can gyration welding jig.

Background

In the existing mechanical manufacturing industry, a plurality of welding workpieces with complex structures need to enter a next full welding (or integral welding) process after being welded on a pairing tool, and because the welding workpieces have complex structures and cannot be welded at one station and one direction, the purpose of full welding can be achieved only by turning or placing the welding workpieces in multiple directions; however, the existing tool is lack of a proper clamp, and a welder needs to turn over and replace the workpiece by a lifting appliance or a manual work, so that the efficiency is low, the workpiece is unsafe, easy to turn over and deform, poor in quality and high in labor intensity.

Based on the technical problems of the welding workpiece in the welding process, no relevant solution is provided; there is therefore a pressing need to find effective solutions to the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the weak point that exists among the above-mentioned technique, but provide a gyration welding jig, aim at solving the problem that needs the upset among the current welding workpiece welding process.

The utility model provides a rotatable welding fixture, which comprises a support trolley and a rotatable fixture; the bottom of the supporting trolley is provided with a trundle, one end of the upper end surface of the supporting trolley is provided with a first supporting upright post, and the other end of the upper end surface of the supporting trolley is provided with a second supporting upright post; one end of the rotary clamp is rotationally connected with the first supporting upright post, the other end of the rotary clamp is rotationally connected with the second supporting upright post, a clamping space is formed on the rotary clamp and used for accommodating a workpiece, a pressing mechanism is arranged on the rotary clamp and used for locking the workpiece in the clamping space; the two ends of the rotary clamp can rotate around the horizontal axial direction between the first supporting upright post and the second supporting upright post.

Furthermore, two ends of the rotary clamp are respectively provided with a positioning plate; the positioning plate at one end of the rotary clamp is rotatably connected to the top of the first supporting upright through the hinge mechanism, and the positioning plate at the other end of the rotary clamp is rotatably connected to the top of the second supporting upright through the hinge mechanism.

Further, the rotary clamp comprises a first connecting frame, a second connecting frame and a bottom frame; the first connecting frame is fixedly arranged at one end of the bottom frame along the vertical direction, the second connecting frame is fixedly arranged at the other end of the bottom frame along the vertical direction, and a clamping space is formed between the first connecting frame and the second connecting frame.

Further, the rotary clamp further comprises a first clamping column, a second clamping column, a third clamping column and a fourth clamping column; the first clamping column and the fourth clamping column are welded on the underframe along the vertical direction and are positioned on the same side between the first connecting frame and the second connecting frame; the second clamping column and the third clamping column are welded on the underframe along the vertical direction and are positioned at the other side between the first connecting frame and the second connecting frame; the first clamping column, the second clamping column, the third clamping column and the fourth clamping column form the clamping space together with the first connecting frame and the second connecting frame.

Furthermore, the pressing mechanisms are respectively arranged at the tops of the first clamping column, the second clamping column, the third clamping column and the fourth clamping column.

Furthermore, the positioning plate is of a disc structure, and a plurality of positioning holes are formed in the circumferential direction of the positioning plate; the positioning plates are respectively welded and fixed on the first connecting frame and the second connecting frame; the positioning hole on the positioning plate corresponds to the fixing hole on the supporting upright post, and the position of the rotary clamp can be fixed by the pin shaft penetrating through the fixing hole and the positioning hole.

Further, the hinge mechanism includes a hinge pin and a hinge sleeve.

Further, the pressing mechanism comprises a limit pin; the limiting pin is arranged on the first clamping column, the second clamping column, the third clamping column and the fourth clamping column in a telescopic mode and used for compressing the workpiece.

Furthermore, both ends of the rotary clamp can rotate 360 degrees around the horizontal axis between the first supporting upright post and the second supporting upright post.

Furthermore, the truckle is the universal wheel, is equipped with locking mechanism on the universal wheel, and locking mechanism is used for locking the universal wheel.

The utility model provides a scheme, the structure is comparatively simple, reasonable, and comparatively practical, can realize the streamlined operation, and welding workpiece can carry out 360 rotatory operations, and the welding process does not have the dead angle, is suitable for big small workpiece welding operation to the work piece is rotatory, the location operation is comparatively convenient, can effectively improve welding efficiency, reduce risk and intensity of labour in the welding process.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a schematic view of the overall structure of a rotatable welding jig of the present invention;

FIG. 2 is a schematic structural view of a rotatable welding jig of the present invention;

fig. 3 is a schematic view of the structure of the supporting trolley of the present invention.

In the figure: 1. supporting the trolley; 11. a caster wheel; 12. a first support column; 121. a fixing hole; 13. a second support column; 14. a hinge pin; 2. rotating the clamp; 21. a first connecting frame; 22. a second link frame; 23. a first clamping post; 24. a second clamping post; 25. a third clamping post; 26. a fourth clamping post; 27. a hold-down mechanism; 28. a chassis; 29. a hinge sleeve; 3. a workpiece; 4. positioning a plate; 41. positioning holes; 5. and (7) a pin shaft.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 3, the utility model provides a rotatable welding jig, which is suitable for full welding after welding of a welding workpiece group with a complex structure in the mechanical manufacturing industry, in particular suitable for welding workpieces needing to be turned over; the rotatable welding fixture comprises a supporting trolley 1 and a rotatable fixture 2; the bottom of the supporting trolley 1 is provided with a caster 11, so that the whole movement of the clamp is realized; one end of the upper end surface of the supporting trolley 1 is provided with a first supporting upright post 12, the other end of the upper end surface of the supporting trolley 1 is provided with a second supporting upright post 13, and the two supporting upright posts mainly play a role in supporting the rotary clamp; specifically, one end of the rotary clamp 2 is rotatably connected with the first support upright 12, and the other end of the rotary clamp 2 is rotatably connected with the second support upright 13, so that the rotary clamp 2 can rotate around the second support upright 13 and the first support upright 12; furthermore, a clamping space is formed on the rotary clamp 2, the clamping space is mainly used for accommodating the workpiece 3, and the workpiece 3 is driven to rotate to perform a welding action by rotating the rotary clamp 2; further, the rotary clamp 2 is provided with a pressing mechanism 27, and the pressing mechanism 27 is mainly used for locking the workpiece 3 in the clamping space; furthermore, two ends of the rotary clamp 2 can rotate around the horizontal axial direction between the first supporting upright post 12 and the second supporting upright post 13, so as to drive the workpiece 3 to rotate for welding; the utility model provides a can gyration welding jig can realize welding jig's mobility, is convenient for form line production or semi-automatic mobile operation to can realize the upset operation, can realize no dead angle and execute welding operation, be suitable for various big or small work piece clamping, welding.

Preferably, in combination with the above solutions, as shown in fig. 1 to 3, the two ends of the rotary clamp 2 are respectively and fixedly provided with a positioning plate 4; the positioning plate 4 at one end of the rotary clamp 2 is rotatably connected to the top of the first supporting upright 12 through a hinge mechanism, and the positioning plate 4 at the other end of the rotary clamp 2 is rotatably connected to the top of the positioning plate 4 of the second supporting upright 13 through the hinge mechanism, so that the rotary connection is realized; specifically, the hinge mechanism is comprised of a hinge pin 14 and a hinge sleeve 29.

Preferably, in combination with the above solution, as shown in fig. 1 to 3, the rotating jig 2 includes a first connecting frame 21, a second connecting frame 22, and a base frame 28; the first connecting frame 21 is fixedly arranged at one end of the bottom frame 28 along the vertical direction, and the second connecting frame 22 is fixedly arranged at the other end of the bottom frame 28 along the vertical direction, so that a concave frame body is formed; further, a clamping space is formed between the first and

second coupling frames

21 and 22, and the clamping space is formed in the concave frame body for receiving the workpiece 3.

Preferably, in combination with the above solution, as shown in fig. 1 to 3, the rotary jig 2 further includes a first clamping column 23, a second clamping column 24, a third clamping column 25, and a fourth clamping column 26; specifically, the first clamping column 23 and the fourth clamping column 26 are welded to the bottom frame 28 in the vertical direction, and are located on the same side between the first connecting frame 21 and the second connecting frame 22; the second clamping column 24 and the third clamping column 25 are welded on the bottom frame 28 along the vertical direction and are positioned at the other side between the first connecting frame 21 and the second connecting frame 22; the first clamping post 23, the second clamping post 24, the third clamping post 25, and the fourth clamping post 26 form a clamping space together with the first and

second links

21 and 22, and function as a fence.

Preferably, in combination with the above solution, as shown in fig. 1 to 3, the pressing mechanisms 27 are respectively disposed on the tops of the first clamping column 23, the second clamping column 24, the third clamping column 25 and the fourth clamping column 26, so as to facilitate pressing of the workpiece 3 in the first clamping column 23, the second clamping column 24, the third clamping column 25 and the fourth clamping column 26.

Preferably, in combination with the above scheme, as shown in fig. 1 to 3, the rotating jig 2 is provided with a positioning plate 4, the positioning plate 4 is of a disc structure, a plurality of positioning holes 41 are circumferentially distributed on the positioning plate 4, and the positioning holes 41 and the fixing holes 121 on the supporting upright columns on the supporting trolley 1 are inserted through the hinge pins 5 to determine the specific orientation of the rotating jig 2; specifically, the positioning plate 4 is a disc structure, and a plurality of positioning holes 41 are formed in the circumferential direction of the positioning plate 4; the positioning plate 4 is welded and fixed on the first connecting frame 21 and the second connecting frame 22 respectively; the positioning hole 41 of the positioning plate 4 corresponds to the fixing hole 121 of the support column 12, and the position of the rotating jig 2 can be fixed by the pin 5 passing through the fixing hole 121 and the positioning hole 41.

Preferably, in combination with the above solution, as shown in fig. 1 to 3, the pressing mechanism 27 comprises a limit pin; the limiting pins are telescopically arranged on the first clamping column 23, the second clamping column 24, the third clamping column 25 and the fourth clamping column 26 and are respectively used for pressing the workpiece 3; the method specifically comprises the following steps: on the rotary clamp 2, a limit pin can be arranged according to the clamping requirement of the workpiece to realize the positioning and the clamping of the workpiece, and a positioning device is distributed on the circumference of the positioning plate 4, and the rotary clamp 2 can drive the workpiece to rotate and position quickly.

Preferably, in combination with the above solution, as shown in fig. 1 to 3, both ends of the rotating jig 2 can rotate 360 ° around the horizontal axis between the first support column 12 and the second support column 13; the method specifically comprises the following steps: the rotary fixture 2 is connected with the support trolley 1 through the hinge mechanism 4 and can rotate 360 degrees relative to the support trolley 1, so that omnibearing welding operation is realized.

Preferably, with the above scheme, as shown in fig. 1 to 3, the caster 11 is a universal wheel, and a locking mechanism is arranged on the universal wheel and used for locking the universal wheel, so that the clamp is prevented from supporting the trolley 1 to move in the operation process to affect the welding operation.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any way. The technical solutions of the present invention can be used by anyone skilled in the art to make many possible variations and modifications to the technical solution of the present invention, or to modify equivalent embodiments with equivalent variations, without departing from the scope of the technical solution of the present invention. Therefore, any modification, equivalent change and modification of the above embodiments according to the present invention are all within the protection scope of the present invention.

Claims

1. A rotatable welding fixture is characterized by comprising a supporting trolley (1) and a rotatable fixture (2); the bottom of the supporting trolley (1) is provided with a caster (11), one end of the upper end surface of the supporting trolley (1) is provided with a first supporting upright post (12), and the other end of the upper end surface of the supporting trolley (1) is provided with a second supporting upright post (13); one end of the rotary clamp (2) is rotatably connected with the first supporting upright post (12), the other end of the rotary clamp (2) is rotatably connected with the second supporting upright post (13), a clamping space is formed on the rotary clamp (2), the clamping space is used for accommodating a workpiece (3), a pressing mechanism (27) is arranged on the rotary clamp (2), and the pressing mechanism (27) is used for locking the workpiece (3) in the clamping space; the two ends of the rotary clamp (2) can rotate around the horizontal axial direction between the first supporting upright post (12) and the second supporting upright post (13).

2. The rotatable welding jig of claim 1, wherein both ends of the rotatable jig (2) are respectively provided with a positioning plate (4); the positioning plate (4) at one end of the rotary clamp (2) is rotatably connected to the top of the first supporting upright post (12) through an articulated mechanism, and the positioning plate (4) at the other end of the rotary clamp (2) is rotatably connected to the top of the second supporting upright post (13) through an articulated mechanism.

3. The rotatable welding jig of claim 2, characterized in that the rotatable jig (2) comprises a first connecting frame (21), a second connecting frame (22) and a base frame (28); the first connecting frame (21) is fixedly arranged at one end of the bottom frame (28) along the vertical direction, the second connecting frame (22) is fixedly arranged at the other end of the bottom frame (28) along the vertical direction, and the clamping space is formed between the first connecting frame (21) and the second connecting frame (22).

4. The rotatable welding jig of claim 3, wherein the rotatable jig (2) further comprises a first clamping column (23), a second clamping column (24), a third clamping column (25), and a fourth clamping column (26); the first clamping column (23) and the fourth clamping column (26) are welded on the bottom frame (28) along the vertical direction and are positioned on the same side between the first connecting frame (21) and the second connecting frame (22); the second clamping column (24) and the third clamping column (25) are welded on the bottom frame (28) along the vertical direction and are positioned at the other side between the first connecting frame (21) and the second connecting frame (22); the first clamping column (23), the second clamping column (24), the third clamping column (25) and the fourth clamping column (26) form the clamping space together with the first connecting frame (21) and the second connecting frame (22).

5. The rotatable welding jig of claim 4, characterized in that the hold-down mechanisms (27) are provided at the tops of the first clamping column (23), the second clamping column (24), the third clamping column (25), and the fourth clamping column (26), respectively.

6. The rotatable welding jig of claim 3, characterized in that the positioning plate (4) is a disc structure, and the positioning plate (4) is provided with a plurality of positioning holes (41) along the circumferential direction; the positioning plate (4) is fixedly welded on the first connecting frame (21) and the second connecting frame (22) respectively; the positioning hole (41) in the positioning plate (4) corresponds to the fixing hole (121) in the supporting upright post (12), and the position of the rotary clamp (2) can be fixed by a pin shaft (5) penetrating through the fixing hole (121) and the positioning hole (41).

7. The rotatable welding jig of claim 2, wherein the hinge mechanism comprises a hinge pin (14) and a hinge sleeve (29).

8. The rotatable welding jig of claim 4, wherein the hold-down mechanism (27) comprises a limit pin; the limiting pin is arranged on the first clamping column (23), the second clamping column (24), the third clamping column (25) and the fourth clamping column (26) in a telescopic mode and used for pressing the workpiece (3).

9. Rotatable welding jig according to claim 1, characterized in that the rotatable jig (2) is rotatable at both ends by 360 ° around the horizontal axis between the first support column (12) and the second support column (13).

10. The rotatable welding jig of claim 1, characterized in that the caster (11) is a universal wheel, and the universal wheel is provided with a locking mechanism for locking the universal wheel.