CN214816121U

CN214816121U - Clamp for welding steel pipe

Info

Publication number: CN214816121U
Application number: CN202120649165.7U
Authority: CN
Inventors: 来柏洪; 孔国标; 李炳红
Original assignee: Zhejiang Yimei Furniture Co ltd
Current assignee: Zhejiang Yimei Furniture Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-11-23
Anticipated expiration: 2031-03-30

Abstract

The utility model discloses a clamp for welding steel pipes, which comprises a support frame, a first support plate fixed on the support frame, a first clamping device symmetrically arranged at the upper end and the lower end of the first support plate, a second clamping device arranged at the two sides of the first support plate and a third clamping device, wherein the first clamping device comprises a second support plate and a first fixing seat, the first support plate is symmetrically fixed with a second triangular support plate, the second support plate is fixed on the second triangular support plate through bolts, a first air cylinder is fixed on the second support plate, a piston rod of the first air cylinder penetrates through the second support plate and is fixed with a connecting block, one side of the connecting block, which is far away from the piston rod, is fixed with a fixing rod, the first fixing seat penetrates through the first fixing seat, a limiting seat is fixed on the left side of the first fixing seat, a rotating column is arranged in the internal thread of the limiting seat, a first support seat is fixed on the first support plate, and a first clamping device is fixed on the first support seat through bolts, the problem of irregular steel pipe can't effectively press from both sides when the welding is got is solved.

Description

Clamp for welding steel pipe

Technical Field

The utility model relates to a welding jig field, in particular to anchor clamps for steel pipe welding.

Background

When welding a pipeline, in order to improve the welding quality, a steel pipe needs to be fixed on a clamp firstly, but most of the existing clamps can only weld some steel pipes with single structures, and the steel pipes can be clamped only by using a plurality of clamps together when some irregular steel pipes are welded, so that the inconvenience is very high, and the design of an irregular clamp is very necessary.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a steel pipe is anchor clamps for welding has solved irregular steel pipe and can't effectively carry out the clamp when the welding and get the problem.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a clamp for welding a steel pipe comprises a support frame, a first support plate fixed on the support frame, a first clamping device symmetrically arranged at the upper end and the lower end of the first support plate, a second clamping device arranged at the two sides of the first support plate and a third clamping device arranged at the two sides of the first support plate, wherein the first clamping device comprises a second support plate and a first fixed seat, a second triangular support plate is symmetrically fixed on the first support plate, the second support plate is fixed on the second triangular support plate through bolts, a first air cylinder is fixed on the second support plate, a piston rod of the first air cylinder penetrates through the second support plate and is fixed with a connecting block, a fixed rod is fixed at one side of the connecting block far away from the piston rod and is fixed on the first support plate, the fixed rod penetrates through the first fixed seat, a limiting seat is fixed on the left side of the first fixed seat, a rotating column is arranged in the internal thread of the limiting seat, a first support seat is fixed on the first support plate, and a first clamping device is fixed on the first supporting seat through a bolt.

By adopting the technical scheme, when the steel pipe is required to be welded, the steel pipe on the upper side and the lower side is firstly limited and clamped by the clamping device, the steel pipe is placed into the first fixing seat, the steel pipe is adjusted to a proper position, the first air cylinder is started, the piston rod of the first air cylinder extends out, the piston rod pushes the connecting block to slide, the moving of the connecting block drives the fixing rod to slide, the fixing rod slides into the first fixing seat, the fixing rod is continuously slid to enable the fixing rod to be in contact with the steel pipe and fix the steel pipe in the first fixing seat, the first clamping device is manually rotated after the steel pipe is fixed with the first fixing seat, the movable end of the first clamping device is enabled to be in contact with the first supporting plate through the rotation of the first clamping device, the steel pipe falls on the first clamping device due to the action of gravity, the steel pipe is supported through the clamping device, and then the rotating column is rotated, make the rotation post rotate out the spacing seat through the rotation of rotating the post in, the continuous rotation of rotating the post makes rotation post and steel pipe contact to press from both sides the steel pipe through clamping device one and rotation post, also press from both sides tight back when the upper and lower both ends of steel pipe, press from both sides the steel pipe on right side tightly through clamping device three, thereby solved irregular steel pipe and can't effectively press from both sides the problem of getting when the welding.

Preferably, the second clamping device comprises a first two limiting blocks and a first supporting block, the first limiting blocks are symmetrically fixed on the side edge of the first supporting plate, wide grooves matched with the steel pipes are formed in the first limiting blocks, the first supporting block is arranged in front of the first two limiting blocks and fixed on the first supporting plate, a supporting block is arranged on one side edge of the first supporting block and fixed on the first supporting plate, a first bolt is arranged in the first supporting block through internal threads, a supporting disc is fixed on one side of the first bolt, a third supporting block is fixed at the bottom of the side edge of the first supporting plate, a second bolt is arranged in the supporting block through internal threads, and a limiting supporting disc is fixed at one end, close to the first supporting plate, of the second bolt.

Adopt above-mentioned technical scheme, when wanting to fix left steel pipe, go into two stopper one with the steel pipe through the wide groove card earlier, the removal of restriction steel pipe left and right sides has been played through stopper one, the steel pipe falls on spacing supporting disk through gravity, the effect of supporting the steel pipe has been played through spacing supporting disk, the steel pipe passes from supporting shoe one and support between the piece when passing two stoppers for a while, rotate bolt one through the spanner, the rotation drive of bolt one supports the dish and rotates, support the continuous rotation of dish and make and support dish and steel pipe contact, thereby through supporting the dish and supporting the piece and realized pressing from both sides tight to the steel pipe.

Preferably, the third clamping device comprises two supporting blocks and two supporting seats, the two supporting blocks are symmetrically fixed on the first supporting plate, the two supporting blocks are symmetrically fixed with limiting columns, the two supporting seats are symmetrically fixed on the first supporting plate, the second supporting seat is fixed with a second clamping device through bolts, and the bottom of the first supporting plate is fixed with a fourth supporting plate.

Adopt above-mentioned technical scheme, when wanting fixed right side steel pipe, paste steel pipe and supporting shoe two earlier, supporting shoe two has played the effect of supporting the steel pipe, plays the effect that the restriction steel pipe removed and cliied the steel pipe through spacing post, and the steel pipe slides downwards through the effect of gravity, has played the supporting role to the bottom of steel pipe through backup pad three, has restricted the displacement of steel pipe, and rethread clamping equipment is two in steel pipe surface contact to it presss from both sides tightly to realize the steel pipe.

Preferably, a plurality of third supporting blocks are fixed on the first supporting plate according to the positions of the steel pipes, and two limiting supporting columns are fixed on the side edges of the first supporting plate.

By adopting the technical scheme, the supporting blocks play a role in supporting the back of the steel pipe, the steel pipe is prevented from being stressed and tilted in welding, and the limiting and supporting effects on the steel pipe are achieved through the two supporting columns.

Preferably, one side of the supporting plate is symmetrically provided with a square groove.

Adopt above-mentioned technical scheme, prevent through square groove carrying out welded ten minutes mistake taking place with steel pipe and backup pad welding together to the steel pipe.

Preferably, a controller is fixed on the support base and electrically connected with the first cylinder.

By adopting the technical scheme, the controller controls the operation state of the first air cylinder, so that the first air cylinder is always kept in a proper operation state.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic diagram showing a first clamping device according to an embodiment;

FIG. 3 is a schematic diagram showing a second clamping device according to the embodiment;

fig. 4 is a schematic position diagram of the third clamping device according to the embodiment.

Reference numerals: 1. a support frame; 2. a first support plate; 3. a first clamping device; 4. a second clamping device; 5. a third clamping device; 6. a second support plate; 7. a first fixed seat; 8. a triangular support plate III; 9. a first cylinder; 10. connecting blocks; 11. fixing the rod; 12. a limiting seat; 13. rotating the column; 14. a first supporting seat; 15. clamping equipment I; 16. a first limiting block; 17. a first supporting block; 18. a wide groove; 19. a resisting block; 20. a resisting disc; 21. a third supporting block; 22. a limiting support plate; 23. a second supporting block; 24. a second supporting seat; 25. a limiting column; 26. a second clamping device; 27. a support plate IV; 28. a fourth supporting block; 29. limiting the supporting columns; 30. a square groove; 31. a controller; 32. a first bolt; 33. and a second bolt.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

Referring to fig. 1 to 4, a steel pipe welding fixture comprises a support frame 1, a support plate I2 fixed on the support frame 1, and a clamping device II 4 arranged on the left side of the support plate I2, when a steel pipe is to be welded, the left steel pipe is limited and clamped through the clamping device II 4, the clamping device II 4 comprises two limiting blocks I16 and a supporting block I17, the limiting blocks I16 are symmetrically fixed on the side edge of the support plate I2, the limiting blocks I16 are provided with wide grooves 18 matched with the steel pipe, when the left steel pipe is to be fixed, the steel pipe is firstly clamped into the two limiting blocks I16 through the wide grooves 18, the supporting block III 21 is fixed at the bottom of the side edge of the support plate I2, a bolt II 33 is arranged in the supporting block, a limiting supporting plate 22 is fixed at one end of the bolt II 33 close to the support plate I2, and the steel pipe falls onto the limiting supporting plate 22 under the action of gravity, the limiting support disc 22 plays a role in supporting a steel pipe, the first support block 17 is arranged between the first two limit blocks 16, the first support block 17 is fixed to the first support plate 2, the side edge of the first support block 17 is provided with a supporting block 19 and supports the block 19 to be fixed to the first support plate 2, the steel pipe penetrates through the first two limit blocks 16 from the first support block 17 to the supporting block 19, a first bolt 32 is arranged in a first support block 17 through internal threads, one side of the first bolt 32 is fixed with a supporting disc 20, the first bolt 32 is rotated through a wrench, the first bolt 32 is rotated to drive the supporting disc 20 to rotate, the supporting disc 20 is continuously rotated to enable the supporting disc 20 to be in contact with the steel pipe, and the steel pipe is clamped by the supporting disc 20 and the supporting block 19.

Referring to fig. 1 and 2, the upper end and the lower end of a support plate I2 are provided with a clamping device I3, after a left steel pipe is clamped, the steel pipe at the upper side and the lower side is clamped through the clamping device I3, the clamping device I3 comprises a support plate II 6 and a fixing seat I7, a triangular support plate II 6 is symmetrically fixed on the support plate I2, the support plate II 6 is fixed on the two triangular support plates II 6 through bolts, a cylinder I9 is fixed on the support plate II 6, the support plate II 6 plays a role of supporting the cylinder I9, a controller 31 is fixed on the support frame 1, the cylinder I9 is started through the controller 31, a piston rod of the cylinder I9 penetrates through the support plate II 6 and is fixed with a connecting block 10, the extending of the piston rod of the cylinder I9 drives the connecting block 10 to slide, a fixing rod 11 is fixed at one side of the connecting block 10 far away from the piston rod, and the connecting block 10 plays a role of connecting between the fixing rod 11 and the cylinder I9, fixing base 7 is fixed on backup pad 2, and the steel pipe passes the fixing base, and dead lever 11 runs through fixing base 7, and the slip drive dead lever 11 of connecting block 10 slides, makes the one end with the steel pipe fixed through the slip of dead lever 11 in fixing base 7.

Referring to fig. 2, a first support seat 14 is fixed on a first support plate 2, a first clamping device 15 is fixed on the first support seat 14 through a bolt, a steel pipe falls on the first clamping device 15 due to the action of gravity, the first clamping device 15 is rotated to support the steel pipe, a first limit seat 12 is fixed on the left side of a first fixed seat 7, a rotating column 13 is arranged in the limit seat 12 through internal threads, at the moment, the rotating column 13 rotates out of the limit seat 12 through the rotation of the rotating column 13, the rotating column 13 is contacted with the steel pipe through the continuous rotation of the rotating column 13, the steel pipe is clamped through the first clamping device 15 and the rotating column 13, a plurality of third support blocks 21 are fixed on the first support plate 2 according to the positions of the steel pipe, the third support blocks 21 play a role of supporting the back of the steel pipe, the steel pipe is prevented from being stressed and tilted during welding, two limit support columns 29 are fixed on the side edges of the first support plate 2, the two limit support columns 29 play a role in limiting and supporting the steel pipe.

Referring to fig. 1 and 4, a clamping device three 5 is arranged on the right side of a support plate one 2, steel pipes connected with the upper end and the lower end are fixed through the clamping device three 5, the clamping device three 5 comprises two support blocks two 23 and two support seats two 24, the support blocks two 23 are symmetrically fixed on the support plate one 2, when the steel pipes are fixed, the steel pipes are firstly attached to the support blocks two 23, the support blocks two 23 play a role of supporting the steel pipes, the support blocks two 23 are symmetrically fixed with limit posts 25, the limit posts 25 play a role of limiting the movement of the steel pipes and clamping the steel pipes, a support plate four 27 is fixed on the bottom end face of the support plate one 2, the steel pipes slide downwards under the action of gravity, the support plates four 27 play a supporting role of supporting the bottoms of the steel pipes, the support blocks two 24 are symmetrically fixed on the support plate one 2, a clamping device two 26 is fixed on the support block two 24 through bolts, and finally, rotating the second clamping device 4, and completely clamping the steel pipe through the movable end of the second clamping device 4, thereby realizing the clamping and welding effect of the irregular steel pipes.

Claims

1. A clamp for welding a steel pipe comprises a support frame (1) and a first support plate (2) fixed on the support frame (1), and is characterized by further comprising a first clamping device (3) symmetrically arranged at the upper end and the lower end of the first support plate (2), a second clamping device (4) and a third clamping device (5) arranged at two sides of the first support plate (2), wherein the first clamping device (3) comprises a second support plate (6) and a first fixing seat (7), a third triangular support plate (8) is symmetrically fixed on the first support plate (2), the second support plate (6) is fixed on the third triangular support plate (8) through bolts, a first air cylinder (9) is fixed on the second support plate (6), a piston rod of the first air cylinder (9) penetrates through the second support plate (6) and is fixed with a connecting block (10), and a fixing rod (11) is fixed on one side, far away from the piston rod, of the connecting block (10), fixing base (7) are fixed on backup pad (2), fixing pole (11) run through fixing base (7), the left side of fixing base (7) is fixed with spacing seat (12), spacing seat (12) internal thread is provided with rotation post (13), be fixed with supporting seat (14) on backup pad (2), there is clamping equipment (15) through the bolt fastening on supporting seat (14).

2. The clamp for welding the steel pipe according to claim 1, wherein the second clamping device (4) comprises two first limiting blocks (16) and a first supporting block (17), the first limiting blocks (16) are symmetrically fixed on the side edge of the first supporting plate (2), wide grooves (18) matched with the steel pipe are formed in the first limiting blocks (16), the first supporting block (17) is arranged in front of the two first limiting blocks (16) and the first supporting block (17) is fixed on the first supporting plate (2), the side edge of the first supporting block (17) is provided with a first abutting block (19) and the abutting block (19) is fixed on the first supporting plate (2), a first bolt (32) is matched with the first supporting block (17) in a threaded manner, an abutting disc (20) is fixed on one side of the first bolt (32), and a third supporting block (21) is fixed at the bottom of the side edge of the first supporting plate (2), and a second bolt (33) is matched with the internal thread of the third support block (21), and a limited support disc (22) is fixed at one end of the second bolt (33) close to the first support plate (2).

3. The clamp for welding the steel pipe as claimed in claim 2, wherein the third clamping device (5) comprises two second supporting blocks (23) and two second supporting seats (24), the second supporting blocks (23) are symmetrically fixed on the first supporting plate (2), the second supporting blocks (23) are symmetrically fixed with limiting columns (25), the second supporting seats (24) are symmetrically fixed on the first supporting plate (2), the second supporting seats (24) are fixed with a second clamping device (26) through bolts, and the bottom of the first supporting plate (2) is fixed with a fourth supporting plate (27).

4. The clamp for welding the steel pipe as recited in claim 3, wherein a plurality of support blocks four (28) are fixed on the support plate one (2), and a plurality of limiting support columns (29) are fixed on two sides of the support plate one (2).

5. The clamp for welding the steel pipe according to claim 4, wherein one side of the first support plate (2) is symmetrically provided with a square groove (30).

6. The clamp for welding the steel pipe as recited in claim 5, wherein a controller (31) is fixed on the support frame (1), and the controller (31) is electrically connected with the first cylinder (9).