CN213730265U

CN213730265U - Pipe fitting welding jig for engineering

Info

Publication number: CN213730265U
Application number: CN202022496235.8U
Authority: CN
Inventors: 梁迪; 姜廷霖; 薛健; 郭启航; 赵伊诺
Original assignee: Shenyang University
Current assignee: Shenyang University
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-07-20
Anticipated expiration: 2030-11-02

Abstract

A pipe welding fixture for engineering belongs to the technical field of pipe welding fixtures. Pipe fitting welding jig for engineering includes two erection columns of workstation and top, the outside of erection column is provided with annular rack, the below meshing of annular rack has the gear, the inside of gear is provided with the gear shaft, double-shaft motor has been placed to the inside of workstation, double-shaft motor is connected with the gear shaft, one side that two erection columns kept away from each other is provided with L shape backup pad, the inside of the wall of erection column has been seted up and has been supported the groove, L shape backup pad and support groove roll connection, the inside of erection column is the centre gripping chamber, the inside symmetry in centre gripping chamber is fixed with first threaded rod, the regulation section of thick bamboo has been cup jointed in the outside of first threaded rod, one side that two regulation sections of thick bamboo are close to each other is provided with the grip block, the welded tube spare is treated in the centre gripping between two grip blocks. The pipe fitting welding jig for engineering is convenient to rotate in the welding process, the welding head can weld different parts of the pipe fitting, and the pipe fitting welding jig is high in practicability.

Description

Pipe fitting welding jig for engineering

Technical Field

The utility model relates to a pipe fitting welding jig technical field, in particular to pipe fitting welding jig for engineering.

Background

The clamp is used for fixing a processing object in a mechanical manufacturing process, and the clamp is usually used for ensuring the correct position of a pipe in the welding process of industrial pipes.

The pipe fitting welding jig for engineering in the prior art has the following problems: 1. the existing pipe welding clamp for engineering is inconvenient to rotate after clamping a pipe, and further is inconvenient for a welding head to weld different parts of the pipe, so that unnecessary troubles are brought; 2. the clamping plate of the existing pipe welding clamp for engineering is arranged in a circular arc structure, and can only clamp cylindrical pipes in a fastening mode, if polygonal or other irregular pipes are encountered, the pipe welding clamp is inconvenient to clamp and clamp, and the application range is limited.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that prior art exists, the utility model provides a pipe fitting welding jig for engineering, it is convenient for rotatory at the welded in-process, realizes that the welding head welds the position that the pipe fitting is different, and the practicality is strong.

In order to realize the purpose, the technical scheme of the utility model is that:

a welding fixture for engineering pipe fittings comprises a workbench, wherein two mounting columns are arranged above the workbench, an annular rack is arranged on the outer side of each mounting column, an arc-shaped rotating groove is formed in the workbench and in a position corresponding to the annular rack, a gear is meshed below the annular rack, a gear shaft is arranged in the gear, an L-shaped rotating groove is formed in the workbench and in a position corresponding to the gear and the gear shaft, a first placing groove is formed in the workbench and between the two L-shaped rotating grooves, a double-shaft motor is placed in the first placing groove and connected with the gear shafts on two sides of the double-shaft motor, and a plurality of heat dissipation holes are uniformly formed in the workbench and in a position corresponding to the lower part of the first placing groove;

an L-shaped support plate is arranged on one side, away from each other, of each of the two mounting columns, a through hole is formed in each L-shaped support plate, a support groove is formed in the wall of each mounting column and corresponds to the position of each L-shaped support plate, and each L-shaped support plate is in rolling connection with the support groove through a ball;

the inner part of the mounting column is a clamping cavity, first threaded rods are symmetrically fixed in the clamping cavity in the front-back direction, an adjusting cylinder is sleeved on the outer side of the first threaded rod, a second placing groove is formed in the position, corresponding to the first threaded rod, of the inner part of the adjusting cylinder, a clamping plate is arranged on one side, close to each other, of the two adjusting cylinders, a pipe to be welded is clamped between the two clamping plates, a mounting plate is arranged on one side, close to the adjusting cylinder, of the clamping plate, an adjusting nut is arranged on the outer side, located on one side, far away from the mounting plate, of the adjusting cylinder, an L-shaped fixing rod is arranged on one side, far away from the clamping plate, of the mounting plate, an inserting hole is formed in the inner part of the adjusting cylinder and corresponding to the L-shaped fixing rod, a connecting block is arranged below the inserting hole, the connecting block is rotatably connected with the supporting cylinder through a rotating shaft, and a third placing groove is formed in the supporting cylinder, the inside of third standing groove is provided with the spring, one side that the spring is close to the mounting panel is provided with the second threaded rod, the outside of second threaded rod and be located the mounting panel and keep away from one side of adjusting the section of thick bamboo and be equipped with fastening nut, the upper and lower both sides of second threaded rod all are fixed with the stopper, the inside of a supporting cylinder and the position department that corresponds the section of thick bamboo of adjusting have seted up the spacing groove.

Preferably, motor shafts are arranged at the left end and the right end of the double-shaft motor, and the gear shafts are fixedly connected with the motor shafts on the corresponding sides.

Preferably, a rotary groove is formed in the position, corresponding to the gear shaft on the side where the two gears are far away from each other, inside the workbench, and the gear shaft is rotatably placed inside the rotary groove through a bearing.

Preferably, a fourth placing groove is formed in the L-shaped supporting plate and corresponds to the position of the ball, and the ball is made of steel.

Preferably, the L-shaped supporting plate comprises a vertical plate and a transverse plate, the vertical plate is arranged in a cubic structure, the vertical plate and the workbench are arranged in an integrated structure, the transverse plate is arranged in a circular arc structure, the central axis of the transverse plate coincides with the central axis of the mounting column, and reinforcing ribs are arranged between the transverse plate and the vertical plate.

Preferably, the inside of mounting panel just is provided with first joint hole corresponding to the position department of second threaded rod, the cross-sectional area in first joint hole is 1.1 times of the cross-sectional area of second threaded rod.

The utility model has the advantages that:

1. the utility model discloses a set up centre gripping chamber, erection column, annular rack, ball, through-hole, gear, arc swivelling chute, L shape swivelling chute, biax motor, louvre and gear shaft isotructure, under the mutually supporting of these structures, realized fastening the back to the pipe fitting, at the rotatory function of welded in-process being convenient for, and then the welding head of being convenient for welds the position that the pipe fitting is different, the practicality is strong.

2. The utility model discloses a set up mounting panel, L shape dead lever, connecting block, spliced eye, spacing groove, stopper, fastening nut, second threaded rod, third standing groove, spring, a support section of thick bamboo and pivot isotructure, under the mutually supporting of these structures, realized grip block convenient to detach's function, and then be convenient for change different grip blocks according to the shape of the pipe fitting that will weld to fasten the centre gripping to the pipe fitting, application scope is wider.

Additional features and advantages of the invention will be set forth in part in the detailed description which follows.

Drawings

Fig. 1 is a schematic structural diagram of a front view section of a welding jig for engineering pipe fittings provided by an embodiment of the present invention;

FIG. 2 is a schematic structural view of the cross-section A-A of FIG. 1 according to the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention.

Reference numerals in the drawings of the specification include:

1. a work table; 2. an L-shaped support plate; 3. a pipe to be welded; 4. a clamping cavity; 5. a first placing groove; 6. mounting a column; 7. an annular rack; 8. a ball bearing; 9. a through hole; 10. a clamping plate; 11. a gear; 12. an arc-shaped rotating groove; 13. an L-shaped rotating groove; 14. a double-shaft motor; 15. heat dissipation holes; 16. a gear shaft; 17. an adjusting cylinder; 18. adjusting the screw cap; 19. a support groove; 20. mounting a plate; 21. an L-shaped fixing rod; 22. a first threaded rod; 23. a second placing groove; 24. connecting blocks; 25. inserting holes; 26. a limiting groove; 27. a limiting block; 28. fastening a nut; 29. a second threaded rod; 30. a third placing groove; 31. a spring; 32. a support cylinder; 33. a rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to solve the problems in the prior art, as shown in fig. 1 to 3, the utility model provides a pipe welding fixture for engineering, including a workbench 1, two mounting columns 6 are arranged above the workbench 1, the outer side of the mounting columns 6 is provided with an annular rack 7, an arc-shaped rotary groove 12 is arranged in the workbench 1 and at a position corresponding to the annular rack 7, a gear 11 is meshed below the annular rack 7, a gear shaft 16 is arranged in the gear 11, an L-shaped rotary groove 13 is arranged in the workbench 1 and at a position corresponding to the gear 11 and the gear shaft 16, a first accommodating groove 5 is arranged in the workbench 1 and at a position between the two L-shaped rotary grooves 13, a double-shaft motor 14 is arranged in the first accommodating groove 5, the double-shaft motor 14 is connected with the gear shafts 16 at two sides thereof, and a plurality of heat dissipation holes 15 are uniformly arranged in the workbench 1 and at a position corresponding to the lower part of the first accommodating groove 5;

an L-shaped support plate 2 is arranged on one side, away from each other, of each of the two mounting columns 6, a through hole 9 is formed in each L-shaped support plate 2, a support groove 19 is formed in the wall of each mounting column 6 and in the position corresponding to the L-shaped support plate 2, and the L-shaped support plates 2 are in rolling connection with the support grooves 19 through balls 8;

the inside of the mounting column 6 is a clamping cavity 4, first threaded rods 22 are symmetrically fixed in the front and back of the inside of the clamping cavity 4, adjusting cylinders 17 are sleeved on the outer sides of the first threaded rods 22, second placing grooves 23 are formed in the positions, corresponding to the first threaded rods 22, of the inside of the adjusting cylinders 17, clamping plates 10 are arranged on the sides, close to each other, of the two adjusting cylinders 17, a pipe to be welded 3 is clamped between the two clamping plates 10, mounting plates 20 are arranged on the sides, close to the adjusting cylinders 17, of the clamping plates 10, adjusting nuts 18 are arranged on the outer sides of the first threaded rods 22 and on the sides, far away from the mounting plates 20, of the mounting plates 20, L-shaped fixing rods 21 are arranged on the sides, far away from the clamping plates 10, inserting holes 25 are formed in the positions, corresponding to the L-shaped fixing rods 21, connecting blocks 24 are arranged below the inserting holes 25, and the connecting blocks 24 are rotatably connected with the supporting cylinders 32 through rotating shafts 33, third standing groove 30 has been seted up to the inside of a support section of thick bamboo 32, and the inside of third standing groove 30 is provided with spring 31, and one side that spring 31 is close to mounting panel 20 is provided with second threaded rod 29, and the outside of second threaded rod 29 just is located mounting panel 20 and keeps away from one side of adjusting a section of thick bamboo 17 and is equipped with fastening nut 28, and the upper and lower both sides of second threaded rod 29 all are fixed with stopper 27, and the inside of a support section of thick bamboo 32 and the position department that corresponds stopper 27 have seted up spacing groove 26.

In this embodiment, the through hole 9 is formed in the L-shaped support plate 2 for taking and placing the pipe. Support grooves 19 are formed in the inner portion of the wall of the mounting column 6 and in positions corresponding to the L-shaped support plates 2, a plurality of balls 8 are arranged on the portions, located in the support grooves 19, of the L-shaped support plates 2, the L-shaped support plates 2 are in rolling connection with the support grooves 19 through the balls 8, and the balls 8 roll in the support grooves 19. An adjusting nut 18 is meshed with the outer side of the first threaded rod 22 and the side, away from the mounting plate 20, of the adjusting cylinder 17, and a fastening nut 28 is meshed with the outer side of the second threaded rod 29 and the side, away from the adjusting cylinder 17, of the mounting plate 20. The lower end of the L-shaped fixing rod 21 is connected with a connecting block 24, the connecting block 24 is located below the inserting hole 25, one end of a supporting cylinder 32 is arranged inside the connecting block 24, and the supporting cylinder 32 is rotatably connected with the connecting block 24 through a rotating shaft 33. One end of the spring 31 is fixedly connected with the inside of the third placing groove 30, and the other end of the spring 31 is fixedly connected with the end of the second threaded rod 29.

In order to facilitate the rotation of the gear shaft 16 driven by the dual-shaft motor 14, in this embodiment, the left and right ends of the dual-shaft motor 14 are both provided with a motor shaft, and the gear shaft 16 is fixedly connected with the motor shaft on one corresponding side.

In order to facilitate stable placement and rotation of the gear shaft 16 and the gears 11, in the present embodiment, a rotation groove is formed inside the table 1 and corresponding to a position of the gear shaft 16 on a side where the two gears 11 are away from each other, and the gear shaft 16 is rotatably placed inside the rotation groove through a bearing.

In order to reduce the friction between the L-shaped supporting plate 2 and the supporting groove 19, in this embodiment, a fourth placing groove is formed inside the L-shaped supporting plate 2 and at a position corresponding to the ball 8, and the ball 8 is made of steel.

In order to facilitate the stable support and the placement of the L-shaped support plate 2, in the embodiment, the L-shaped support plate 2 comprises a vertical plate and a transverse plate, the vertical plate is arranged in a cubic structure, the vertical plate and the workbench 1 are arranged in an integrated structure, the transverse plate is arranged in a circular arc structure, the central axis of the transverse plate coincides with the central axis of the mounting column 6, and a reinforcing rib is arranged between the transverse plate and the vertical plate.

In order to facilitate the second threaded rod 29 to pass through the mounting plate 20, and further facilitate fastening and fixing through the fastening nut 28, in this embodiment, a first clamping hole is disposed inside the mounting plate 20 and at a position corresponding to the second threaded rod 29, and a cross-sectional area of the first clamping hole is 1.1 times that of the second threaded rod 29.

The utility model relates to a pipe fitting welding jig's for engineering theory of operation and use flow:

when the utility model is used, firstly, a pipe fitting to be welded is held between the two clamping plates 10, and the adjusting nut 18 outside the first threaded rod 22 is rotated, so that the adjusting cylinder 17 pushes the mounting plate 20 and further pushes the clamping plates 10 to move, and the clamping of the pipe fitting 3 to be welded is realized; after the two pipe fittings 3 to be welded are clamped, the two pipe fittings can be welded by using the welding head, in the welding process, a switch of a double-shaft motor 14 in a first placing groove 5 is started, so that a motor shaft drives a gear shaft 16 to further drive a gear 11 to rotate in an L-shaped rotating groove 13, so that an annular rack 7 drives a clamping device in an installation column 6 and a clamping cavity 4 and the pipe fittings 3 to be welded to rotate, and finally the welding of the welding head on different parts of the pipe fittings 3 to be welded is realized, in the process, an L-shaped support plate 2 can reduce friction in the power transmission process and improve the transmission efficiency of mechanical power by rotating a ball 8 in a support groove 19 while playing a role in stably supporting the installation column 6, and after the welding is finished, the two pipe fittings 3 to be welded can be integrally taken down; when the polygonal or other irregular pipe fitting 3 to be welded needs to be welded, the fastening nut 28 is taken down along the second threaded rod 29, the second threaded rod 29 is manually moved back to the inside of the third placing groove 30, the limiting block 27 moves inside the limiting groove 26, the spring 31 contracts, when the second threaded rod 29 is separated from the mounting plate 20, the supporting cylinder 32 is rotated along the connecting block 24 under the action of the rotating shaft 33, when the supporting cylinder is rotated by 90 degrees, the clamping plate 10 and the mounting plate 20 are pulled by hand, the L-shaped fixing rod 21 and the second threaded rod 29 are pulled out along the inside of the inserting hole 25, and then the proper clamping plate 10 is remounted, and in addition, in the working process of the double-shaft motor 14, the heat generated by the double-shaft motor is discharged to the outside of the workbench 1 through the heat dissipation holes 15.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The engineering pipe welding fixture is characterized by comprising a workbench, wherein two mounting columns are arranged above the workbench, an annular rack is arranged on the outer side of each mounting column, a gear is meshed below the annular rack, a gear shaft is arranged inside the gear, L-shaped rotating grooves are formed in the workbench and correspond to the gear and the gear shaft, a first placing groove is formed in the workbench and located between the two L-shaped rotating grooves, a double-shaft motor is placed inside the first placing groove and connected with the gear shafts on two sides of the double-shaft motor, and a plurality of radiating holes are uniformly formed in the workbench and correspond to the position below the first placing groove;

the inner part of the mounting column is a clamping cavity, first threaded rods are symmetrically fixed in the clamping cavity in the front-back direction, an adjusting cylinder is sleeved on the outer side of each first threaded rod, a clamping plate is arranged on one side, close to each other, of each adjusting cylinder, a pipe fitting to be welded is clamped between the two clamping plates, a mounting plate is arranged on one side, close to each adjusting cylinder, of each clamping plate, an adjusting nut is arranged on one side, away from the mounting plate, of the outer side of each first threaded rod, an L-shaped fixing rod is arranged on one side, away from the clamping plate, of each mounting plate, an inserting hole is formed in the inner part of each adjusting cylinder and corresponds to the L-shaped fixing rod, a connecting block is arranged below each inserting hole, each connecting block is rotatably connected with the corresponding supporting cylinder through a rotating shaft, a third placing groove is formed in the corresponding supporting cylinder, a spring is arranged in the third placing groove, and a second threaded rod is arranged on one side, close to the mounting plate, of the spring, the outside of second threaded rod just is located the mounting panel and keeps away from one side of adjusting a section of thick bamboo and is equipped with fastening nut, the upper and lower both sides of second threaded rod all are fixed with the stopper, the inside of a support section of thick bamboo and the position department that corresponds an adjusting section of thick bamboo have seted up the spacing groove.

2. The pipe welding jig for engineering of claim 1, wherein motor shafts are provided at both left and right ends of the double-shaft motor, and the gear shafts are fixedly connected with the motor shaft at a corresponding side.

3. The pipe welding jig for engineering of claim 1, wherein a rotary groove is formed in the workbench at a position corresponding to a gear shaft at a side where the two gears are far away from each other, and the gear shaft is rotatably placed in the rotary groove through a bearing.

4. The pipe welding jig for engineering according to claim 1, wherein a fourth placing groove is formed in the L-shaped support plate at a position corresponding to a ball provided by steel.

5. The pipe fitting welding jig for engineering of claim 1, characterized in that, L shape backup pad includes riser and diaphragm, the riser sets up for the cube structure, and riser and workstation structure as an organic whole set up, the diaphragm is the setting of arc structure, and the central axis of diaphragm and the coincidence of the central axis of erection column, be provided with the strengthening rib between diaphragm and the riser.

6. The welding fixture for engineering pipes as claimed in claim 1, wherein a first engaging hole is formed in the mounting plate at a position corresponding to the second threaded rod, and the cross-sectional area of the first engaging hole is 1.1 times the cross-sectional area of the second threaded rod.