CN213470133U

CN213470133U - Roll welding flange clamping device

Info

Publication number: CN213470133U
Application number: CN202022481868.1U
Authority: CN
Inventors: 章虎臣; 马志刚; 罗亮; 周传金
Original assignee: Yichang Haitian Ultrasonic Technology Co ltd
Current assignee: Yichang Haitian Ultrasonic Technology Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-06-18
Anticipated expiration: 2030-10-30

Abstract

The utility model provides a roll welding flange clamping device, which comprises a rotating shaft, a driving disc fixed at the tail end of the rotating shaft, a driven disc arranged in parallel with the driving disc and a telescopic device used for fixing a flange disc between the driving disc and the driven disc, wherein the rotating shaft is connected with a motor in a transmission way, the inner wall of the driving disc is rotatably connected with a rotating disc protruding out of the driving disc, the center of the driven disc is provided with a central through hole, the outer wall of the driven disc is fixedly connected with a tightening device, the tightening device passes through the central through hole to act on the flange disc, the telescopic device is used at the edges of the driving disc and the driven disc, the problems of complex operation, error during welding of roller electrodes, reduction of the quality of welding seams, and rework are solved, the relative positions of the driving disc and the flange disc are not changed all the time, and the roller electrodes are used for welding, the welding seam quality is higher, and one-time welding is accomplished, has simplified operation procedure, has improved welding efficiency's technological effect.

Description

Roll welding flange clamping device

Technical Field

The utility model relates to a seam welder technical field especially relates to a seam welding flange clamping device.

Background

Roll welding, also known as girth welding, is a method in which a pair of roller electrodes is used to replace a spot-welded cylindrical electrode, and a welded workpiece is moved between rolling discs to produce a sealed weld seam in which nuggets overlap one another, thereby welding the workpiece.

When welding the flange, cup joint the back with ring flange and steel ring, use special fixture through the mode that uses the connecting rod to fix outside the ring flange with the ring flange centre gripping on the travelling car, at the welded in-process, the travelling car rotates anchor clamps, the junction of gyro wheel electrode pair ring flange and steel ring welds, however, because the hindrance of connecting rod, the gyro wheel electrode can't weld the ring flange of connecting rod department, the relative position that needs readjustment ring flange and connecting rod carries out annular welding again, the operation is complicated, the skew appears easily in the relative position of ring flange and special fixture, the error appears during gyro wheel electrode welding, the quality of welding seam has been reduced, cause rework.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a seam welding flange clamping device, its relative position who has solved the needs readjustment ring flange that exists among the prior art and connecting rod carries out annular weld again, and the operation is complicated, and the skew appears easily in the relative position of ring flange and special fixture, appears the error when gyro wheel electrode welds, has reduced the quality of welding seam, causes the problem of doing over again.

According to the utility model discloses an embodiment, a roll welding flange clamping device, including the axis of rotation, fix the drive plate at the axis of rotation end, with the driven plate that the drive plate set up side by side and be used for fixing the telescoping device between drive plate and driven plate with the ring flange, the motor is connected in the axis of rotation transmission, it is connected with the rolling disc of protrusion in the drive plate to rotate on the inner wall of drive plate, the center of driven plate is provided with central through-hole, and fixedly connected with supports tight device on the outer wall of driven plate, support tight device and pass central through-hole and act on the ring flange, the telescoping device is to being called as the edge that is used in drive plate and driven plate.

The technical principle of the utility model is that: the sleeved flange plate and the steel ring are fixed between the driving plate and the driven plate by using a telescopic device, in the process of rotating the rotating shaft, the joint of the flange plate and the steel ring is welded in an annular mode by using a roller electrode, the welding of the telescopic device is kept temporarily, the flange plate is abutted by using an abutting device, the driven plate is separated from the flange plate by the reaction force of the flange plate, then the rotating shaft rotates by a proper angle, the driving plate drives the telescopic device to rotate by a proper angle, the flange plate does not rotate along with the driving plate due to the action of the abutting device and the rotating plate or rotates by a small angle, so that the telescopic device is separated from the part where the flange plate is not welded, then the abutting device is recovered to the initial state, the flange plate is clamped by the telescopic device again, finally, the roller electrode is used for welding the residual non-welded position of the flange plate, and the relative position, the roller electrode is used for welding, the quality of a welding seam is higher, one-time welding is completed, the operation process is simplified, and the welding efficiency is improved.

Compared with the prior art, the utility model discloses following beneficial effect has: after a driving disc and a driven disc are used for clamping a flange plate to weld most parts, the flange plate is separated from the driven disc by using the abutting device, the rotating shaft is rotated to enable the telescopic device and the flange plate to be staggered at unwelded positions, the flange plate is clamped by the telescopic device to carry out residual welding, the technical problem that the relative position of the flange plate and a connecting rod needs to be readjusted to carry out annular welding is solved, the operation is complex, the relative position of the flange plate and a special clamp is easy to deviate, errors occur during welding of a roller electrode, the quality of a welding seam is reduced, rework is caused, the relative position of the driving disc and the flange plate is not changed all the time, the roller electrode is used for welding, the quality of the welding seam is higher, one-time welding is completed, the operation procedures are.

Preferably, the abutting device comprises a first hydraulic cylinder fixedly connected to the center of the driven plate, the first hydraulic cylinder is connected with a hydraulic pump, a telescopic shaft of the first hydraulic cylinder is fixedly connected with an abutting plate, and the abutting plate is arranged in the central through hole.

Preferably, the front end of the resisting disc is provided with an arc-shaped bulge.

Preferably, the telescopic device comprises a second hydraulic cylinder fixedly connected to the edge of the outer wall of the driven plate, the second hydraulic cylinder is connected with the hydraulic pump, and a telescopic shaft of the second hydraulic cylinder penetrates through the driven plate and is fixedly connected to the driving plate.

Preferably, a pin seat is fixedly connected to the driving disk, a through hole which is matched with the pin seat is formed in the tail end of the telescopic shaft of the second hydraulic cylinder, and a pin penetrates through the through hole to fix the telescopic shaft of the second hydraulic cylinder on the driving disk.

Preferably, the telescopic device comprises a screw rod and a nut in threaded connection with the screw rod, corresponding edge through holes are formed in the edges of the driving disc and the driven disc, the screw rod penetrates through the edge through holes, and a spring is arranged between the nut of the screw rod and the driven disc.

Preferably, a washer is arranged between the nut and the driving disk.

Preferably, the rotating shaft is sleeved with a sleeve, and the sleeve is movably connected with the rotating shaft.

Drawings

Fig. 1 is the structural schematic diagram of the flange clamping working state of the embodiment of the present invention.

Fig. 2 is the structural schematic diagram of the flange plate abutting against the working state of the embodiment of the present invention.

1, a rotating shaft in the above figure; 11. a sleeve; 2. a driving disk; 21. rotating the disc; 3. a driven plate; 31. a central through hole; 32. an edge via hole; 4. a telescoping device; 41. a second hydraulic cylinder; 42. a bolt seat; 43. a screw; 44. a nut; 45. a spring; 46. a gasket; 5. a tightening device; 51. a first hydraulic cylinder; 52. disc pushing; 53. a protrusion; 6. a flange plate; 7. and (5) steel rings.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in the accompanying drawings 1 and 2, the embodiment of the utility model provides a roll welding flange clamping device, including axis of rotation 1, fix at 1 terminal initiative dish 2 of axis of rotation, with the driven plate 3 that initiative dish 2 set up side by side and be used for fixing the telescoping device 4 between initiative dish 2 and driven plate 3 with ring flange 6, the motor is connected in the transmission of axis of rotation 1, it has protrusion in the rolling disc 21 of initiative dish 2 to rotate to be connected with on the inner wall of initiative dish 2, the center of driven plate 3 is provided with central through-hole 31, and fixedly connected with supports tight device 5 on the outer wall of driven plate 3, it passes central through-hole 31 and acts on ring flange 6 to support tight device 5, the edge at initiative dish 2 and driven plate 3 of telescoping device 4 symmetry, specific work flow is: at the beginning, the abutting device 5 does not work and contracts in the central through hole 31 of the driven disc 3, the telescopic device 4 is used for fixing the sleeved flange 6 and the steel ring 7 between the driving disc 2 and the driven disc 3, in the process of rotating the rotating shaft 1, the roller electrodes are used for carrying out annular welding on the joint of the flange 6 and the steel ring 7, the welding of the telescopic device 4 is kept temporarily, the abutting device 5 abuts against the flange 6, the driven disc 3 is separated from the flange 6 by the reaction force of the flange 6, then the rotating shaft 1 rotates by a proper angle, the driving disc 2 drives the telescopic device 4 to rotate by a proper angle, the flange 6 does not rotate along with the driving disc 2 due to the action of the abutting device 5 and the rotating disc 21 or rotates by a small angle, so that the telescopic device 4 is separated from the part where the flange 6 is not welded, and then the abutting device 5 is recovered to the initial state, the telescopic device 4 clamps the driven plate 3 again to the flange 6, and finally the roller electrodes are used for welding the residual unwelded positions of the flange 6, so that the relative positions of the driving plate 2 and the flange 6 are not changed all the time, the roller electrodes are used for welding, the welding seam quality is higher, one-time welding is completed, the operation procedures are simplified, and the welding efficiency is improved.

As shown in fig. 2, a roll welding flange clamping device, the abutting device 5 includes a first hydraulic cylinder 51 fixedly connected to the center of the driven plate 3, the first hydraulic cylinder 51 is connected to a hydraulic pump, a telescopic shaft of the first hydraulic cylinder 51 is fixedly connected to a abutting plate 52, the abutting plate 52 is disposed in the central through hole 31, when the relative position of the telescopic device 4 and the flange plate 6 needs to be adjusted, the first hydraulic cylinder 51 is used to push the abutting plate 52 to abut against the flange plate 6, the reaction force of the flange plate 6 pushes the driven plate 3 to be separated from the flange plate 6, at this time, the rotating shaft 1 is rotated, the driving plate 2 drives the telescopic device 4 to rotate, so that the relative position of the telescopic device 4 and the flange plate 6 is changed, the welding of the remaining connecting seam of the flange plate 6 is realized, the operation is convenient, and the welding efficiency of the.

As shown in fig. 1 and 2, in the roll welding flange clamping device, an arc-shaped protrusion 53 is arranged at the front end of the abutting disc 52, so that the friction force between the abutting disc 52 and the flange 6 is reduced, and after the flange 6 is abutted tightly by using the first hydraulic cylinder 51, the flange 6 is prevented from rotating, so that the relative position of the telescopic device 4 and the flange 6 is changed more obviously.

As shown in fig. 1 and fig. 2, a roll welding flange clamping device, telescoping device 4 includes second hydraulic cylinder 41 of fixed connection at the outer wall edge of driven plate 3, the hydraulic pump is connected to second hydraulic cylinder 41, and the telescopic shaft of second hydraulic cylinder 41 passes from driving disk 3 fixed connection on driving disk 2, uses second hydraulic cylinder 41 to drive driven plate 3 and presss from both sides tight ring flange 6 and welds, makes the tight effect of ring flange 6 clamp better, and when the tight device 5 of support supported ring flange 6, the synchronous extension of second hydraulic cylinder 41 can the relative position of quick adjustment second hydraulic cylinder 41 and ring flange 6.

As shown in fig. 1 and 2, a bolt seat 42 is fixedly connected to a driving disc 2, a through hole which is matched with the bolt seat 42 is formed in the tail end of a telescopic shaft of a second hydraulic cylinder 41, and a bolt penetrates through the through hole to fix the telescopic shaft of the second hydraulic cylinder 41 on the driving disc 2, so that the second hydraulic cylinder 41 is conveniently separated from the driving disc 2, and a flange plate 6 is conveniently placed and adjusted on the driving disc 2.

As shown in fig. 1 and 2, the roll welding flange clamping device includes a screw 43, and a nut 44 in threaded connection with the screw 43, wherein the edges of the driving disk 2 and the driven disk 3 are provided with corresponding edge through holes 32, the screw 43 is inserted into the edge through hole 32, a spring 45 is arranged between the nut of the screw 43 and the driven disk 3, the spring 45 abuts against the driven disk 3 to compress the flange 6 on the driving disk 2, and when the naming abutting device 5 abuts against the flange 6, the reaction force pushes the driven disk 3 to compress the spring 45, so that the driven disk 3 is separated from the flange 6.

As shown in fig. 1 and 2, a washer 46 is arranged between the nut 44 and the driving disk 2 to prevent the nut 44 and the screw 43 from sliding.

As shown in fig. 1 and 2, a sleeve 11 is sleeved on a rotating shaft 1, and the sleeve 11 is movably connected with the rotating shaft 1, so that the rotating shaft 1 is limited in the sleeve 11 to rotate, and the shaking of the rotating shaft 1 is reduced.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a seam welding flange clamping device which characterized in that: the flange plate fixing device comprises a rotating shaft, a driving disc fixed at the tail end of the rotating shaft, a driven disc arranged in parallel with the driving disc and a telescopic device used for fixing the flange plate between the driving disc and the driven disc, wherein the rotating shaft is connected with a motor in a transmission manner, the inner wall of the driving disc is rotatably connected with a rotating disc protruding out of the driving disc, a central through hole is formed in the center of the driven disc, a clamping device is fixedly connected to the outer wall of the driven disc and penetrates through the central through hole to act on the flange plate, and the telescopic device is used at the edges of the driving disc and the driven disc.

2. A roll weld flange clamp assembly as claimed in claim 1, wherein: the abutting device comprises a first hydraulic cylinder fixedly connected to the center of the driven plate, the first hydraulic cylinder is connected with a hydraulic pump, a telescopic shaft of the first hydraulic cylinder is fixedly connected with an abutting plate, and the abutting plate is arranged in the central through hole.

3. A roll weld flange clamp assembly as claimed in claim 2, wherein: the front end of the tray is provided with an arc-shaped bulge.

4. A roll welding flange clamping device according to any one of claims 1 to 3, characterized in that: the telescoping device includes the second pneumatic cylinder of fixed connection at the outer wall edge of driven plate, the hydraulic pump is connected to the second pneumatic cylinder, and the telescopic shaft of second pneumatic cylinder passes from driving disk fixed connection on the driving plate.

5. A roll welding flange clamping device according to claim 4, characterized in that: the driving disc is fixedly connected with a bolt seat, a through hole matched with the bolt seat is formed in the tail end of the telescopic shaft of the second hydraulic cylinder, and the telescopic shaft of the second hydraulic cylinder is fixed on the driving disc by penetrating through the through hole through a bolt.

6. A roll welding flange clamping device according to any one of claims 1 to 3, characterized in that: the telescopic device comprises a screw rod and a nut in threaded connection with the screw rod, corresponding edge through holes are formed in the edges of the driving disc and the driven disc, the screw rod penetrates through the edge through holes, and a spring is arranged between the nut of the screw rod and the driven disc.

7. A roll weld flange clamp assembly as claimed in claim 6, wherein: and a gasket is arranged between the nut and the driving disc.

8. A roll weld flange clamp assembly as claimed in claim 7, wherein: the rotating shaft is sleeved with a sleeve, and the sleeve is movably connected with the rotating shaft.