CN213730271U

CN213730271U - Pipe welding clamping device

Info

Publication number: CN213730271U
Application number: CN202022627030.9U
Authority: CN
Inventors: 方昱
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-07-20
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a pipe welding clamping device relates to welding centre gripping field. The utility model comprises a supporting device, a fixing device, a twisting device, a rotating device and a clamping device, wherein one end of the fixing device is connected with the twisting device, the fixing device comprises a first fixing clamp, a second fixing clamp and a fixing bolt, the bottom end of the fixing bolt passes through the first fixing clamp and extends to the lower surface of the second fixing clamp, the rotating device comprises a rotating ring, a connecting rod, a fixing ring and a sliding rod, the other end of the connecting rod is connected with the fixing ring, the outer surface of the sliding rod is connected with the inner surface of the fixing ring, the clamping device comprises a second connecting block and a first clamping plate, the upper surface of the second connecting block is connected with the lower surface of the sliding rod, the lower surface of the second connecting block is connected with the upper surface of the first clamping plate, the utility model can be welded at multiple angles by the rotation of the rotating ring of the rotating device matched with the rotation of the sliding rod, the fixing clamp of the fixing device and the clamping plate of the clamping device are connected through bolts, can be replaced.

Description

Pipe welding clamping device

Technical Field

The utility model relates to a welding centre gripping field, in particular to pipe welding clamping device.

Background

Welding, also known as fusion or melt bonding, is a process and technique for joining metals or other thermoplastic materials, such as plastics, by heat, heat or pressure,

the pipe utilizes in our production life a large amount, and the pipe can be used to pipeline, thermal equipment, mechanical industry, oil geology probing, chemical industry and some special use, need weld another pipe in the one end of pipe sometimes, just need adjust the angle between two pipes often in the pipe welding this time, and traditional welding generally adopts artifical angle regulation, and the angle is difficult to accomplish fixed lock and dies during manual welding, and is difficult to satisfy big welding in batches, has proposed a pipe welding clamping device for this.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a pipe welding clamping device can effectively solve the manual welding angle among the background art and be difficult to the dead problem of fixed lock.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a circular tube welding clamping device comprises a supporting device, a fixing device, a twisting device, a rotating device and a clamping device, wherein one end of the fixing device is connected with the twisting device, a hole is formed in one surface of the supporting device, the twisting device is matched with the hole, one end of the rotating device is connected with the twisting device, and the upper surface of the clamping device is connected with the lower surface of the rotating device;

the supporting device comprises a supporting plate, the fixing device comprises a first fixing clamp, a second fixing clamp and a fixing bolt, the bottom end of the fixing bolt penetrates through the first fixing clamp and extends to the lower surface of the second fixing clamp, the twisting device comprises a twisting rod, a supporting tube, a threaded tube, a gear disc, a gear strip and a first connecting block, a hole is formed in the upper surface of the supporting plate, the supporting tube is matched with the hole, the lower surface of the threaded tube is connected with the upper surface of the supporting tube, threads are arranged on the surface of the twisting rod, the twisting rod is in rotating fit with the threaded tube, the lower surface of the twisting rod penetrates through the supporting plate and is connected with the upper surface of the gear disc, gear teeth are arranged on the side surface of the gear strip, the gear strip is meshed with the gear disc, one end of the gear strip is connected with the side surface of the first connecting block, and the function of rotating the gear disc can be achieved by rotating the twisting rod, the gear disc rotates to drive the gear strip to move transversely, the gear strip moves transversely to drive the fixing device to move, the fixing effect is achieved, the rotating device comprises a rotating ring, a connecting rod, a fixing ring, a second fastening screw, a second fastening piece and a sliding rod, the lower surface of the rotating ring is connected with the upper surface of a supporting tube, the inner surface of the rotating ring is connected with the outer surface of a threaded tube, one end of the connecting rod is connected with the outer surface of the rotating ring, the other end of the connecting rod is connected with the fixing ring, the outer surface of the fixing ring is provided with the second fastening piece, a threaded hole is formed in the side surface of the second fastening piece, the second fastening screw is matched with the threaded hole, the outer surface of the sliding rod is connected with the inner surface of the fixing ring, when the second fastening screw is not fastened, the sliding rod can be in sliding fit with the fixing ring and also be in rotating fit, and the position of the sliding rod is locked after the second fastening screw is fastened, clamping device includes second connecting block and first splint, second connecting block upper surface and slide bar lower surface are connected, second connecting block lower surface and first splint upper surface connection.

Preferably, strutting arrangement still includes first riser, second riser and spring axle, the first riser upper surface is connected with the backup pad lower surface, the first riser is hollow structure, the second riser suits with the first riser, a plurality of holes of vertical arrangement of first riser side surface, the second riser side surface is equipped with the spring axle, the spring axle suits with the hole of first riser side surface, and the spring axle can be adjusted to the second riser, makes the hole that the spring axle suited different to reach height-adjusting's effect.

Preferably, the fixing device further comprises a fixing nut, a threaded hole is formed in the inner surface of the fixing nut, the fixing bolt is matched with the threaded hole, the lower surface of the fixing nut is connected with the upper surface of the first connecting block, the distance between the first fixing clamp and the second fixing clamp can be adjusted through the fixing screw, and therefore the fixing device can adjust the size of the round pipe as required.

Preferably, the torsion device further comprises a torsion disc and a fixed square column, the lower surface of the torsion disc is connected with the upper surface of the torsion rod, the fixed square column is of a hollow structure, the upper surface of the fixed square column is connected with the lower surface of the supporting plate, a limiting hole is formed in the side surface of the fixed square column, the gear strip is matched with the limiting hole, and the fixed square column enables the gear strip to move transversely only.

Preferably, rotating device still includes first fastening screw, first fastening nut, first mounting plate and twists and move the piece, the swivel collar surface is equipped with first mounting plate side surface is equipped with the hole, first fastening screw suits with the hole, first fastening nut side surface is connected with first mounting plate, first fastening screw and the rotatory cooperation of first fastening nut, first fastening screw one end is equipped with twists moves the piece, can rotate when first fastening screw does not tighten, waits that the angular adjustment finishes the back again with the screw fastening, can reach fixed angle's effect.

Preferably, clamping device still includes second splint, adjusting bolt and adjusting nut, the upper surface of second connecting block is passed to the adjusting bolt lower surface and is extended to the lower surface of second splint, the adjusting nut upper surface is connected with second splint lower surface, adjusting bolt and adjusting nut normal running fit, through adjusting bolt and adjusting nut's cooperation, can adapt to the pipe of different thicknesses, first splint and second splint can be changed moreover.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the rotating ring of the rotating device is matched with the sliding rod to rotate, so that the welding can be carried out at multiple angles.

2. The fixing clamp of the fixing device is connected with the clamping plate of the clamping device through a bolt, and can be replaced.

Drawings

Fig. 1 is a schematic view of the overall structure of a circular tube welding and clamping device of the present invention;

fig. 2 is a schematic bottom structure view of a circular tube welding and clamping device of the present invention;

fig. 3 is a schematic front view of the circular tube welding and clamping device of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 3.

In the figure: 1-a support device; 2-a fixing device; 3-a torsion device; 4-a rotating device; 5, a clamping device; 101-a first riser; 102 — a second riser; 103-a support plate; 104-a spring shaft; 201 — first fixed jaw; 202-second fixed jaw; 203-fixing bolt; 204-fixing nut; 301 — torsion bar; 302-a torsion disc; 303-supporting the tube; 304-a threaded pipe; 305-a gear disc; 306-a gear rack; 307-fixed square column; 308-first connection block; 401-rotating ring; 402-first fastening screw; 403 — a first fastening nut; 404 — a first fastening tab; 405-screwing the sheet; 406-a connecting rod; 407-fixed ring; 408-a second fastening screw; 409-a second fastening tab; 410-a slide bar; 501-a second connecting block; 502 — first splint; 503 — a second splint; 504-adjusting bolts; 505 — adjusting nut.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

referring to fig. 1-4, the present invention relates to a circular tube welding clamping device, which comprises a supporting device 1, a fixing device 2, a twisting device 3, a rotating device 4 and a clamping device 5, wherein one end of the fixing device 2 is connected with the twisting device 3, a hole is arranged on one surface of the supporting device 1, the twisting device 3 is adapted to the hole, one end of the rotating device 4 is connected with the twisting device 3, and the upper surface of the clamping device 5 is connected with the lower surface of the rotating device 4;

the supporting device 1 comprises a supporting plate 103, the fixing device 2 comprises a first fixing clamp 201, a second fixing clamp 202 and a fixing bolt 203, the bottom end of the fixing bolt 203 penetrates through the first fixing clamp 201 and extends to the lower surface of the second fixing clamp 202, the twisting device 3 comprises a twisting rod 301, a supporting tube 303, a threaded tube 304, a gear disc 305, a gear strip 306 and a first connecting block 308, the upper surface of the supporting plate 103 is provided with a hole, the supporting tube 303 is matched with the hole, the lower surface of the threaded tube 304 is connected with the upper surface of the supporting tube 303, the surface of the twisting rod 301 is provided with threads, the twisting rod 301 is in rotating fit with the threaded tube 304, the lower surface of the twisting rod 301 penetrates through the supporting plate 103 and is connected with the upper surface of the gear disc 305, the side surface of the gear strip 306 is provided with gear teeth, the gear strip 306 is meshed with the gear disc 305, one end of the gear strip 306 is connected with the side surface of the first connecting block 308, and can play a role of rotating the gear disc 305 by rotating the twisting rod 301, the gear disc 305 rotates to drive the gear bar 306 to move transversely, the gear bar 306 moves transversely to drive the fixing device 2 to move, so that the fixing effect is achieved, the rotating device 4 comprises a rotating ring 401, a connecting rod 406, a fixing ring 407, a second fastening screw 408, a second fastening sheet 409 and a sliding rod 410, the lower surface of the rotating ring 401 is connected with the upper surface of the supporting tube 303, the inner surface of the rotating ring 401 is connected with the outer surface of the threaded tube 304, one end of the connecting rod 406 is connected with the outer surface of the rotating ring 401, the other end of the connecting rod 406 is connected with the fixing ring 407, the outer surface of the fixing ring 407 is provided with the second fastening sheet 409, the side surface of the second fastening sheet 409 is provided with a threaded hole, the second fastening screw 408 is matched with the threaded hole, the outer surface of the sliding rod 410 is connected with the inner surface of the fixing ring 407, when the second fastening screw 408 is not fastened, the sliding rod 410 can be matched with the fixing ring 407 in a sliding way or matched in a rotating way, after the second fastening screw 408 is fastened, the slide rod 410 is locked in position, the clamping device 5 comprises a second connecting block 501 and a first clamping plate 502, the upper surface of the second connecting block 501 is connected with the lower surface of the slide rod 410, and the lower surface of the second connecting block 501 is connected with the upper surface of the first clamping plate 502.

Further, strutting arrangement 1 still includes first riser 101, second riser 102 and spring axle 104, first riser 101 upper surface and backup pad 103 lower surface are connected, first riser 101 is hollow structure, second riser 102 suits with first riser 101, a plurality of holes of first riser 101 side surface vertical arrangement, second riser 102 side surface is equipped with spring axle 104, spring axle 104 suits with the hole of first riser 101 side surface, spring axle 104 can be adjusted to second riser 102, the hole that makes spring axle 104 suit is different, thereby reach height-adjusting's effect.

Further, the fixing device 2 further comprises a fixing nut 204, a threaded hole is formed in the inner surface of the fixing nut 204, the fixing bolt 203 is matched with the threaded hole, the lower surface of the fixing nut 204 is connected with the upper surface of the first connecting block 308, the distance between the first fixing clamp 201 and the second fixing clamp 202 can be adjusted through the fixing bolt 203, and therefore the size of the round pipe can be fixed as required.

Furthermore, the torsion device 3 further comprises a torsion disc 302 and a fixed square column 307, the lower surface of the torsion disc 302 is connected with the upper surface of the torsion rod 301, the fixed square column 307 is of a hollow structure, the upper surface of the fixed square column 307 is connected with the lower surface of the support plate 103, a limiting hole is formed in the side surface of the fixed square column 307, the gear bar 306 is matched with the limiting hole, and the fixed square column 307 enables the gear bar 306 to only move transversely.

Further, the rotating device 4 further comprises a first fastening screw 402, a first fastening nut 403, a first fastening plate 404 and a screwing plate 405, a hole is formed in the side surface of the first fastening plate 404 on the outer surface of the rotating ring 401, the first fastening screw 402 is matched with the hole, the side surface of the first fastening nut 403 is connected with the first fastening plate 404, the first fastening screw 402 is in rotating fit with the first fastening nut 403, the screwing plate 405 is arranged at one end of the first fastening screw 402, the first fastening screw 402 can rotate when not being tightened, the screws are fastened after the angle adjustment is completed, and the effect of fixing the angle can be achieved.

Further, the clamping device 5 further comprises a second clamping plate 503, an adjusting bolt 504 and an adjusting nut 505, the lower surface of the adjusting bolt 504 penetrates through the upper surface of the second connecting block 501 and extends to the lower surface of the second clamping plate 503, the upper surface of the adjusting nut 505 is connected with the lower surface of the second clamping plate 503, the adjusting bolt 504 is in rotating fit with the adjusting nut 505, circular pipes with different thicknesses can be adapted through the fit between the adjusting bolt 504 and the adjusting nut 505, and the first clamping plate 502 and the second clamping plate 503 can be replaced.

Example two:

referring to fig. 1-4, a circular tube is placed between the first fixing clamp 201 and the second fixing clamp 202, then the torsion disc 302 is rotated, the torsion disc 302 drives the torsion rod 301 to rotate, the torsion rod 301 rotates to drive the gear disc 305 to rotate, the gear disc 305 rotates to drive the gear bars 306 to move transversely, the two gear bars 306 are placed on two sides of the gear disc 305 step by step, the gear disc 305 rotates the two gear bars 306 to move in opposite directions, the fixing device 2 is also driven to move, the fixing effect is achieved, another circular tube is placed between the first clamping plate 502 and the second clamping plate 503 of the clamping device 5, the circular tube is fixed through the adjusting bolt 504, the direction can be adjusted through rotation of the rotating ring 401, and the direction can be further adjusted through rotation of the sliding rod 410.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a pipe welding clamping device, includes strutting arrangement (1), fixing device (2), torsion device (3), rotating device (4) and clamping device (5), its characterized in that: one end of the fixing device (2) is connected with the twisting device (3), a hole is formed in one surface of the supporting device (1), the twisting device (3) is matched with the hole, one end of the rotating device (4) is connected with the twisting device (3), and the upper surface of the clamping device (5) is connected with the lower surface of the rotating device (4);

the supporting device (1) comprises a supporting plate (103), the fixing device (2) comprises a first fixing clamp (201), a second fixing clamp (202) and a fixing bolt (203), the bottom end of the fixing bolt (203) penetrates through the first fixing clamp (201) and extends to the lower surface of the second fixing clamp (202), the twisting device (3) comprises a twisting rod (301), a supporting tube (303), a threaded tube (304), a gear disc (305), a gear bar (306) and a first connecting block (308), the upper surface of the supporting plate (103) is provided with a hole, the supporting tube (303) is matched with the hole, the lower surface of the threaded tube (304) is connected with the upper surface of the supporting tube (303), the surface of the twisting rod (301) is provided with threads, the twisting rod (301) is in rotating fit with the threaded tube (304), the lower surface of the twisting rod (301) penetrates through the supporting plate (103) and is connected with the upper surface of the gear disc (305), the side surface of the gear rack (306) is provided with gear teeth, the gear rack (306) is meshed with a gear disc (305), one end of the gear rack (306) is connected with the side surface of a first connecting block (308), the rotating device (4) comprises a rotating ring (401), a connecting rod (406), a fixing ring (407), a second fastening screw (408), a second fastening sheet (409) and a sliding rod (410), the lower surface of the rotating ring (401) is connected with the upper surface of a supporting tube (303), the inner surface of the rotating ring (401) is connected with the outer surface of a threaded tube (304), one end of the connecting rod (406) is connected with the outer surface of the rotating ring (401), the other end of the connecting rod (406) is connected with the fixing ring (407), the outer surface of the fixing ring (407) is provided with the second fastening sheet (409), the side surface of the second fastening sheet (409) is provided with a threaded hole, and the second fastening screw (408) is matched with the threaded hole, slide bar (410) surface and solid fixed ring (407) internal surface connection, clamping device (5) include second connecting block (501) and first splint (502), second connecting block (501) upper surface and slide bar (410) lower surface are connected, second connecting block (501) lower surface and first splint (502) upper surface connection.

2. The round tube welding clamping device as claimed in claim 1, wherein: strutting arrangement (1) still includes first riser (101), second riser (102) and spring axle (104), first riser (101) upper surface and backup pad (103) lower surface are connected, first riser (101) are hollow structure, second riser (102) suit with first riser (101), a plurality of holes of vertical range of first riser (101) side surface, second riser (102) side surface is equipped with spring axle (104), spring axle (104) suit with the hole of first riser (101) side surface.

3. The round tube welding clamping device as claimed in claim 1, wherein: the fixing device (2) further comprises a fixing nut (204), a threaded hole is formed in the inner surface of the fixing nut (204), the fixing bolt (203) is matched with the threaded hole, and the lower surface of the fixing nut (204) is connected with the upper surface of the first connecting block (308).

4. The round tube welding clamping device as claimed in claim 1, wherein: torsion device (3) still include torsion dish (302) and fixed square column (307), torsion dish (302) lower surface and torsion bar (301) upper surface connection, fixed square column (307) are hollow structure, fixed square column (307) upper surface is connected with backup pad (103) lower surface, fixed square column (307) side surface is equipped with spacing hole, rack (306) suit with spacing hole.

5. The round tube welding clamping device as claimed in claim 1, wherein: rotating device (4) still include first fastening screw (402), first fastening nut (403), first mounting plate (404) and twist and move piece (405), swivel collar (401) surface is equipped with first mounting plate (404) side surface is equipped with the hole, first fastening screw (402) suit with the hole, first fastening nut (403) side surface is connected with first mounting plate (404), first fastening screw (402) and first fastening nut (403) normal running fit, first fastening screw (402) one end is equipped with twists and moves piece (405).

6. The round tube welding clamping device as claimed in claim 1, wherein: the clamping device (5) further comprises a second clamping plate (503), an adjusting bolt (504) and an adjusting nut (505), the lower surface of the adjusting bolt (504) penetrates through the upper surface of the second connecting block (501) and extends to the lower surface of the second clamping plate (503), the upper surface of the adjusting nut (505) is connected with the lower surface of the second clamping plate (503), and the adjusting bolt (504) is in rotating fit with the adjusting nut (505).