CN220636752U - Welding fixture for ensuring concentricity - Google Patents
Welding fixture for ensuring concentricity Download PDFInfo
- Publication number
- CN220636752U CN220636752U CN202320123030.6U CN202320123030U CN220636752U CN 220636752 U CN220636752 U CN 220636752U CN 202320123030 U CN202320123030 U CN 202320123030U CN 220636752 U CN220636752 U CN 220636752U
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- workpiece
- workbench
- workstation
- sliding block
- base
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- 238000003466 welding Methods 0.000 title claims abstract description 29
- 238000001125 extrusion Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 4
- 239000002994 raw material Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Resistance Welding (AREA)
Abstract
The utility model discloses a welding tool for ensuring concentricity, which comprises a workbench and a base fixedly arranged at the top of the workbench, wherein a first workpiece to be welded is arranged in the base, a second workpiece to be welded is arranged at the central position of the interior of the first workpiece, a positioning rod is arranged at the outer side of the first workpiece, a sliding block is arranged at the outer side of the positioning rod, the positioning rod penetrates through the sliding block and is fixedly connected with the sliding block, and a fixed block and a fixed plate are arranged at one side of the workbench; the extrusion force of the limiting shaft to the second workpiece can gradually drive the extrusion force to the center position of the first workpiece, so that the axes of the second workpiece and the first workpiece are mutually overlapped, the axes of the base, the first workpiece and the second workpiece are mutually overlapped through the matching of the positioning rod and the limiting shaft, and the extrusion force of the limiting shaft to the second workpiece is used for tightly attaching the first workpiece and the second workpiece, so that the coaxiality and stability of the first workpiece and the second workpiece in the welding process are improved.
Description
Technical Field
The utility model relates to the technical field of welding equipment, in particular to a welding tool for ensuring concentricity.
Background
Welding technology is also called a connection process, which is an important material processing process, and is called welding, wherein the material of a welded workpiece (the same kind or different kinds) is heated, pressurized or both, and filling materials are used or not used, so that the material of the workpiece can be bonded between atoms to form permanent connection.
However, when the traditional welding equipment is used for welding workpieces such as pipe fittings or sleeves, the coaxiality between the two workpieces is difficult to control, so that the two workpieces after welding cannot meet the use requirement and are scrapped, and the waste of raw materials is caused.
Therefore, it is necessary to provide a welding tool for ensuring concentricity to solve the above technical problems.
Disclosure of Invention
The utility model aims to provide a welding tool for ensuring concentricity, so as to solve the existing problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a guarantee welding frock of concentricity, includes workstation and the fixed base that sets up in the workstation top, the inside of base is provided with the first work piece of waiting to weld, and the inside central point of first work piece puts and is provided with the second work piece of waiting to weld, the outside of first work piece is provided with the locating lever, the outside of locating lever is provided with the slider, the locating lever passes the slider and rather than fixed connection, one side of workstation is provided with fixed block and fixed plate, fixed plate fixed connection is in one side that the fixed block is close to the workstation, the bottom fixedly connected with lantern ring of fixed plate, the inside rotation of lantern ring is connected with spacing axle, spacing axle sets up with the base is coaxial, spacing axle sets up to round platform form.
As a further scheme of the utility model, the top of the workbench is provided with a sliding groove corresponding to the sliding block, and the bottom end of the sliding block extends into the sliding groove and is in sliding connection with the workbench through the sliding groove.
As a further scheme of the utility model, a guide rod is arranged in the chute, the guide rod penetrates through the sliding block and is in sliding connection with the sliding block, a spring is sleeved on the outer side of the guide rod, and the spring is arranged between the sliding block and the workbench.
As a further scheme of the utility model, a pull rod is arranged at the bottom of the workbench, the top end of the pull rod is rotationally connected with the workbench through a bearing, a pull rope is arranged on one side of the sliding block, which is far away from the base, one end of the pull rope is fixedly connected with the bottom end of one side of the sliding block, and the other end of the pull rope is fixed with the outer side face of the pull rod.
As a further scheme of the utility model, a motor is arranged at one side of the bottom of the workbench, and a screw rod is connected to an output shaft of the motor, penetrates through the fixed block and is in threaded connection with the fixed block.
As a further scheme of the utility model, a limit bar is arranged on one side of the workbench, which is close to the screw rod, the limit bar is fixedly connected with the workbench, the limit bar is U-shaped, and the fixed block slides in the limit bar.
As a further scheme of the utility model, the outer sides of the screw rod and the pull rod are fixedly connected with belt wheels, and the outer sides of the belt wheels are sleeved with belts.
According to the welding tool for ensuring concentricity, when the three positioning rods on the outer side of the first workpiece are close to each other, the first workpiece can be extruded to the central position of the base through the mutual matching of the three positioning rods, so that the central lines of the first workpiece and the base are mutually overlapped, the limiting shaft is driven to move downwards through the fixed block and the fixed plate, the limiting shaft moves downwards and gradually extends to the inner part of the second workpiece, the extrusion force of the limiting shaft on the second workpiece gradually drives the second workpiece to move to the central position of the first workpiece, so that the axes of the second workpiece and the first workpiece are mutually overlapped, the axes of the base, the first workpiece and the second workpiece are mutually overlapped through the matching of the positioning rods and the limiting shaft, and the extrusion force of the limiting shaft on the second workpiece is used for tightly attaching the first workpiece and the second workpiece, so that the coaxiality and stability of the first workpiece and the second workpiece in the welding process are improved.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic perspective view of the present utility model;
FIG. 3 is a schematic view of the support ball structure of the present utility model;
FIG. 4 is an enlarged view of the portion A of FIG. 1 in accordance with the present utility model;
fig. 5 is an enlarged view of the B-section structure of fig. 2 according to the present utility model.
In the figure: 1. a chute; 2. a positioning rod; 3. a work table; 4. a slide block; 5. a first workpiece; 6. a second workpiece; 7. a limiting shaft; 8. a fixing plate; 9. a screw rod; 10. a fixed block; 11. a limit bar; 12. a collar; 13. a belt; 14. a motor; 15. a stabilizing block; 16. a pull rope; 17. a spring; 18. supporting the balls; 19. a guide rod; 20. positioning the ball; 21. a pull rod; 22. a base.
Detailed Description
As shown in fig. 1, 3 and 4, a welding fixture for ensuring concentricity comprises a workbench 3 and a base 22 fixedly arranged at the top of the workbench 3, wherein the base 22 is in a ring shape, a first workpiece 5 to be welded is arranged in the base 22, a second workpiece 6 to be welded is arranged in the center of the first workpiece 5, and when the welding fixture is used, the first workpiece 5 and the second workpiece 6 can be welded through an external welding gun.
Further, in order to improve the coaxiality of welding the first workpiece 5 and the second workpiece 6, three positioning rods 2 are arranged on the outer side of the first workpiece 5 in a ring-shaped array mode, a sliding block 4 is arranged on the outer side of the positioning rod 2, and the positioning rod 2 penetrates through the sliding block 4 and is fixedly connected with the sliding block 4;
the top of the workbench 3 is provided with a chute 1 corresponding to the sliding block 4, the bottom end of the sliding block 4 extends into the chute 1 and is in sliding connection with the workbench 3 through the chute 1, the chute 1 is internally provided with a guide rod 19, the guide rod 19 passes through the sliding block 4 and is in sliding connection with the sliding block, the outer side of the guide rod 19 is sleeved with a spring 17, the spring 17 is arranged between the sliding block 4 and the workbench 3, the return of the sliding block 4 is facilitated through the spring 17, one side of the workbench 3 is provided with a fixed block 10 and a fixed plate 8, the fixed plate 8 is fixedly connected with one side of the fixed block 10 close to the workbench 3, the bottom of the fixed plate 8 is fixedly connected with a lantern ring 12, the inside of the lantern ring 12 is rotationally connected with a limiting shaft 7, the limiting shaft 7 and a base 22 are coaxially arranged, the limiting shaft 7 is in a round table shape, and one end of the limiting shaft 7 far away from the fixed plate 8 has a reduced diameter when in use, when the three positioning rods 2 on the outer side of the first workpiece 5 are simultaneously close to each other, the first workpiece 5 can be extruded to the central position of the base 22 through the mutual matching of the three positioning rods 2, so that the central lines of the first workpiece 5 and the base 22 are mutually overlapped, at the moment, the limiting shaft 7 is driven to move downwards through the fixed block 10 and the fixed plate 8, the limiting shaft 7 moves downwards and gradually extends to the inside of the second workpiece 6, at the moment, the extrusion force of the limiting shaft 7 on the second workpiece 6 gradually drives the extrusion force to move to the central position of the first workpiece 5, so that the axes of the second workpiece 6 and the first workpiece 5 are mutually overlapped, the axes of the base 22, the first workpiece 5 and the second workpiece 6 are mutually overlapped through the matching of the positioning rods 2 and the limiting shaft 7, and the extrusion force of the limiting shaft 7 on the second workpiece 6 is used for tightly attaching the first workpiece 5 and the second workpiece 6, thereby improving the coaxiality and stability of the first workpiece 5 and the second workpiece 6 during welding.
As shown in fig. 2 and 5, in order to drive the positioning rod 2 and the limiting shaft 7 to move, a pull rod 21 is arranged at the bottom of the workbench 3, the top end of the pull rod 21 is rotationally connected with the workbench 3 through a bearing, one side, far away from the base 22, of the slider 4 is provided with a pull rope 16, one end of the pull rope 16 is fixedly connected with one side bottom end of the slider 4, the other end of the pull rope 16 is fixedly connected with the outer side surface of the pull rod 21, the pull rod 21 rotates to wind the pull rope 16, a motor 14 is arranged at one side of the bottom of the workbench 3, a lead screw 9 is connected with an output shaft of the motor 14, the lead screw 9 penetrates through a fixed block 10 and is in threaded connection with the fixed block, one side, close to the lead screw 9, of the workbench 3 is provided with a limiting bar 11, the limiting bar 11 is fixedly connected with the workbench 3, the limiting bar 11 is in a U shape, the fixed block 10 slides inside the limiting bar 11, and limits the fixed block 10 through the limiting bar 11, the rotation of the lead screw 9 can drive the fixed block 10 to move along the direction of the limiting bar 11, the lead screw 9 and the outer sides of the pull rod 21 are fixedly connected with belt pulleys, and the belt 13 is sleeved on the outer sides of the lead screw 9 and the belt 21.
Further, a stabilizing block 15 is fixedly connected to the top of the workbench 3, and a pull rope 16 passes through the stabilizing block 15 and is in sliding connection with the stabilizing block.
During the use, drive lead screw 9 through motor 14 output and rotate, thereby drive fixed block 10 reciprocates, and then drive fixed plate 8 reciprocates, can drive the spacing axle 7 of its bottom when fixed plate 8 moves down and move down, thereby extrude the location to second work piece 6, and through belt 13, make lead screw 9 can drive pull rod 21 and rotate, through the rotation of pull rod 21, can twine stay cord 16, and then pull slider 4 through stay cord 16, make slider 4 slide in spout 1 inside, thereby drive locating lever 2 on the slider 4 and remove, through the synchronous slip of base 22 outside three locating lever 2, can fix a position first work piece 5.
In addition, the supporting balls 18 are rotatably arranged on the inner bottom surface of the base 22, the friction force between the bottom surface of the first workpiece 5 and the base 22 can be reduced through the supporting balls 18, the positioning balls 20 are rotatably connected to one end, close to the first workpiece 5, of the positioning rod 2, the friction force between the positioning rod 2 and the first workpiece 5 can be reduced through the positioning balls 20, in the practical use process, the limiting shaft 7 and the lantern ring 12 are rotatably connected, and the whole formed by the first workpiece 5 and the second workpiece 6 can rotate relative to the base 22 through the cooperation between the supporting balls 18 and the positioning balls 20, so that the welding of the round section, which is in contact with the first workpiece 5 and the second workpiece 6, is convenient and quick.
Claims (7)
1. The utility model provides a guarantee welding frock of concentricity, includes workstation (3) and fixed base (22) that set up in workstation (3) top, the inside of base (22) is provided with first work piece (5) of waiting to weld, and the inside central point of first work piece (5) puts and is provided with second work piece (6) of waiting to weld, its characterized in that: the utility model discloses a locating device for a workpiece, including workstation (3), fixed plate (8)'s bottom fixedly connected with lantern ring (12), the inside rotation of lantern ring (12) is connected with spacing axle (7), spacing axle (7) and base (22) coaxial setting, spacing axle (7) set up into round platform form.
2. The welding fixture for ensuring concentricity according to claim 1, wherein: the top of the workbench (3) is provided with a sliding groove (1) corresponding to the sliding block (4), and the bottom end of the sliding block (4) extends into the sliding groove (1) and is in sliding connection with the workbench (3) through the sliding groove (1).
3. The welding fixture for ensuring concentricity according to claim 2, wherein: the sliding chute (1) is internally provided with a guide rod (19), the guide rod (19) penetrates through the sliding block (4) and is in sliding connection with the sliding block, the outer side of the guide rod (19) is sleeved with a spring (17), and the spring (17) is arranged between the sliding block (4) and the workbench (3).
4. The welding fixture for ensuring concentricity according to claim 1, wherein: the bottom of workstation (3) is provided with pull rod (21), pull rod (21) top is connected through the bearing rotation with workstation (3), one side that base (22) were kept away from to slider (4) is provided with stay cord (16), stay cord (16) one end and slider (4) one side bottom fixed connection, the other end and the pull rod (21) lateral surface of stay cord (16) are fixed mutually.
5. The welding fixture for ensuring concentricity according to claim 4, wherein: a motor (14) is arranged on one side of the bottom of the workbench (3), a screw rod (9) is connected to an output shaft of the motor (14), and the screw rod (9) penetrates through the fixing block (10) and is in threaded connection with the fixing block.
6. The welding fixture for ensuring concentricity according to claim 5, wherein: one side of workstation (3) is close to lead screw (9) is provided with spacing (11), spacing (11) and workstation (3) fixed connection, spacing (11) set up to the U type, fixed block (10) slide in spacing (11) inside.
7. The welding fixture for ensuring concentricity according to claim 5, wherein: the outside of lead screw (9) and pull rod (21) all fixedly connected with band pulley, the outside cover of band pulley is equipped with belt (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320123030.6U CN220636752U (en) | 2023-09-11 | 2023-09-11 | Welding fixture for ensuring concentricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320123030.6U CN220636752U (en) | 2023-09-11 | 2023-09-11 | Welding fixture for ensuring concentricity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220636752U true CN220636752U (en) | 2024-03-22 |
Family
ID=90289913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320123030.6U Active CN220636752U (en) | 2023-09-11 | 2023-09-11 | Welding fixture for ensuring concentricity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220636752U (en) |
-
2023
- 2023-09-11 CN CN202320123030.6U patent/CN220636752U/en active Active
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