CN220902417U - Liquefied gas tank base welding frock - Google Patents

Abstract

The utility model provides a liquefied gas tank base welding tool which comprises a base, wherein a semi-annular first base body is arranged on the base, a first guide groove is formed in the first base body, two rotatable guide blocks are arranged on the first base body at intervals, the guide blocks and the first guide grooves are arranged at intervals along the radial direction of the first base body, a limit groove communicated with the first guide groove is formed in one surface, close to the first base body, of the guide blocks, a second base body capable of lifting and a first driving assembly for driving the second base body to lift are further arranged on the base, the second base body is semi-annular, a second guide groove is formed in one surface, close to the first base body, of the second base body, and the first base body and the second base body enclose an annular shape when the second base body is in butt joint with the first base body. The utility model solves the technical problem that the stability of manually pressed steel plates is poor when the base of the liquefied gas tank is welded, and has the technical effects of improving the welding quality of the base of the liquefied gas tank and preventing the steel plates from unexpected actions in the welding process.

Description

Liquefied gas tank base welding frock

Technical Field

The utility model relates to the technical field of pressure vessel manufacturing, in particular to a liquefied gas tank base welding tool.

Background

The liquefied gas tank generally comprises a tank body, an angle valve and a shield which are arranged above the tank body, and a base which is arranged below the tank body, wherein the base is generally manufactured by a mode of curling a strip-shaped steel plate into a ring shape and then welding two ends of the steel plate, and the base is generally arranged on the tank body in a welding mode.

Because the steel plate has certain elasticity, the state that the two ends of the steel plate are contacted with each other can not be kept after the steel plate is curled, so that the two ends of the steel plate are kept attached by pressing the steel plate in the welding process, and the two ends of the steel plate are prevented from being separated in the welding process. The manual steel plate pressing mode is adopted, so that the steel plate is kept to be in an annular state, workers pressing the steel plate in the welding process need to keep the two ends of the steel plate aligned, welding failure is easily caused by shaking in the welding process, and the quality of liquefied gas tank products is affected.

Disclosure of utility model

Aiming at the defects existing in the prior art, the utility model provides a liquefied gas tank base welding tool, which solves the problem that the stability of manually pressed steel plates is poor when the base of the liquefied gas tank is welded in the prior art.

According to the embodiment of the utility model, the welding fixture for the liquefied gas tank base comprises a base, a semi-annular first base body is arranged on the base, a first guide groove is formed in the first base body, two rotatable guide blocks are arranged on the first base body at intervals, the guide blocks and the first guide grooves are arranged at intervals along the radial direction of the first base body, a limit groove communicated with the first guide groove is formed in one surface, close to the first base body, of the guide blocks, a second base body capable of lifting and a first driving assembly for driving the second base body to lift are further arranged on the base, the second base body is semi-annular, a second guide groove is formed in one surface, close to the first base body, of the second base body, and the first base body and the second base body enclose an annular shape when the second base body is in butt joint with the first base body.

Further, one end of the guide block is provided with a rotating part, the rotating part bends towards the direction close to the first seat body, the first seat body is provided with a first mounting groove for accommodating the rotating part, and a rotating shaft matched with the rotating part is arranged in the first mounting groove.

Further, one end of the guide block, which is far away from the rotating part, is provided with a connecting part, a first magnetic attraction piece is arranged on the connecting part, a second installation groove for accommodating the connecting part is further formed in the first base, and a second magnetic attraction piece matched with the first magnetic attraction piece is arranged in the second installation groove.

Further, the first seat body is further provided with a plurality of stop blocks, the stop blocks are respectively located on two opposite sides of the first guide groove, and one sides, close to the first guide groove, of the stop blocks are respectively provided with a tangent plane.

Further, the first driving assembly comprises a cylinder arranged on the base and a telescopic rod arranged at the output end of the cylinder, the telescopic direction of the telescopic rod is vertical, and one end, away from the cylinder, of the telescopic rod is matched with the second base.

Further, a movable plate capable of moving along the vertical direction is arranged in the second guide groove, a spring is arranged between the movable plate and the second seat body, and the spring drives the movable plate to move towards the direction close to the first seat body.

Further, a guide rod is arranged on one surface of the movable plate, which is close to the second seat body, and the axial direction of the guide rod is consistent with the moving direction of the movable plate, and a guide hole matched with the guide rod is arranged on the second seat body.

Further, the second seat body is further provided with a limiting hole communicated with the guide hole, one end of the guide rod, which is far away from the movable plate, extends into the limiting hole, one end of the guide rod, which is far away from the movable plate, is provided with a limiting ring matched with the limiting hole, and the spring is arranged in the limiting hole.

Further, still be equipped with on the base with the mounting panel that first pedestal interval set up, be equipped with mobilizable movable seat and order about on the mounting panel the movable seat is close to or keeps away from the second drive assembly of first pedestal, be equipped with the clamping jaw on the movable seat just be equipped with detachable welder on the clamping jaw, the movable seat is close to when the first pedestal welder stretches into between the first pedestal with the second pedestal.

Further, the second driving assembly comprises a motor arranged on the mounting plate and a screw rod arranged at the output end of the motor, the screw rod is rotatably arranged on the mounting plate, the axial direction of the screw rod is consistent with the moving direction of the movable seat, and the movable seat is provided with a threaded hole matched with the screw rod.

Compared with the prior art, the utility model has the following beneficial effects: the steel plate to be welded is placed through the first guide groove arranged on the first base body, two ends of the steel plate are respectively inserted into the positioning grooves on the guide blocks after being bent, so that the two ends of the steel plate are kept in the interval between the guide blocks and the first guide groove, the steel plate is positioned on the first base body, the first driving component drives the second base body to be close to the first base body, at the moment, part of the steel plate enters the second guide groove and presses the steel plate to enable the two ends of the steel plate to slide in the first guide groove until the two ends of the steel plate are abutted respectively, the first driving component stops running after the two ends of the steel plate are abutted, and the two ends of the steel plate are kept in an abutted state through the cooperation of the first base body and the second base body, so that the two ends of the steel plate are prevented from being separated in the welding process, the second base body is reset and rotated by the first driving component after the welding is completed, the steel plate after the welding is driven to be taken down by the second base body, so that the base of the liquefied gas tank is manufactured, the technical problem that the stability of the steel plate is poor is manually pressed when the base of the liquefied gas tank is welded is solved, the quality improvement is generated, the unexpected welding action effect is achieved, and the technical effect is good, and the welding process is convenient.

Drawings

FIG. 1 is a schematic structural diagram of a welding fixture for a base of a liquefied gas cylinder according to an embodiment of the present utility model;

FIG. 2 is a front view of a liquefied gas cylinder base welding fixture according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a first base in a liquefied gas cylinder base welding fixture according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view of a second base in a liquefied gas cylinder base welding fixture according to an embodiment of the present utility model;

FIG. 5 is an enlarged view of FIG. 4 at A;

fig. 6 is a schematic structural diagram of another view angle of a liquefied gas cylinder base welding tool according to an embodiment of the present utility model.

In the above figures: 1. a base; 11. a mounting plate; 2. a first base; 21. a first guide groove; 22. a first mounting groove; 23. a rotating shaft; 24. a second mounting groove; 25. a second magnetic attraction member; 26. a stop block; 27. cutting into sections; 3. a guide block; 31. a limit groove; 32. a rotating part; 33. a connection part; 34. a first magnetic attraction member; 4. a second seat body; 41. a second guide groove; 42. a movable plate; 43. a spring; 44. a guide rod; 45. a guide hole; 46. a limiting hole; 47. a limiting ring; 5. a first drive assembly; 51. a cylinder; 52. a telescopic rod; 6. a movable seat; 61. a clamping jaw; 62. a welding gun; 7. a second drive assembly; 71. a motor; 72. and a screw rod.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

As shown in fig. 1 to 6, the embodiment of the utility model provides a welding fixture for a base 1 of a liquefied gas tank, which is used for limiting a steel plate in the process of welding and fixing two ends of the curled steel plate, so that the two ends of the steel plate are kept in a bonded state, and the manufactured base 1 of the liquefied gas tank is ensured to be in a complete ring shape.

Referring to fig. 1 and 2, the welding fixture for the base 1 of the liquefied gas tank includes a base 1, a first base 2 is provided on the base 1, the first base 2 is semi-annular, a first guide groove 21 is provided on the first base 2, two guide blocks 3 are further provided on the first base 2 at intervals, the two guide blocks 3 are respectively connected with the first base 2 in a rotating manner, the guide blocks 3 and the first guide groove 21 are arranged along the radial interval of the first base 2, a limit groove 31 communicated with the first guide groove 21 is provided on one surface of the guide block 3 close to the first base 2, and a baffle plate can be positioned on the first base 2 by inserting two ends of a steel plate to be welded into the limit groove 31 after the steel plate is placed into the first guide groove 21; the base 1 is also provided with a second seat body 4 capable of lifting and a first driving assembly 5 for driving the second seat body 4 to lift, the second seat body 4 is semi-annular, one surface of the second seat body 4, which is close to the first seat body 2, is provided with a second guide groove 41, the second seat body 4 is driven by the first driving assembly 5 to move to a position abutting against the first seat body 2, the first seat body 2 and the second seat body 4 enclose an annular shape, and at the moment, a steel plate placed on the first seat body 2 is extruded by the second seat body 4 to enclose the steel plate into an annular shape.

Specifically, when the liquefied gas tank base 1 welding fixture provided by this embodiment is adopted to weld the liquefied gas tank base 1, firstly the bent steel plate to be welded is put into the first guide groove 21, and the two ends of the steel plate are respectively inserted into the positioning grooves on the guide block 3, so that the two ends of the steel plate are kept in the space between the guide block 3 and the first guide groove 21, the steel plate is positioned, the first driving component 5 is started after the positioning is completed to drive the second base 4 to approach the first base 2, at this time, part of the steel plate enters the second guide groove 41 and passes through the second base 4 to press the steel plate, the two ends of the steel plate are respectively slid in the first guide groove 21 until the two ends of the steel plate are abutted, and the first driving component 5 stops running after the two ends of the steel plate are abutted, and the two ends of the steel plate are kept in a state through the cooperation of the first base 2 and the second base 4, at this time, the two ends of the steel plate can be welded and prevented from being separated from the welding, and the two ends of the steel plate are completely welded, and the second base 4 is driven by the first driving component 5 to reset, so that the welding quality of the liquefied gas tank can be prevented from being improved, and the liquefied gas tank can be welded by the base 1 is expected to be prevented from being welded, and the welding quality is not being expected to be achieved.

As shown in fig. 1 and 3, in this embodiment, a rotating portion 32 is disposed at one end of the guide block 3, the rotating portion 32 is bent in a direction approaching the first seat 2, a first mounting groove 22 for accommodating the rotating portion 32 is disposed on the first seat 2, and a rotating shaft 23 matched with the rotating portion 32 is disposed in the first mounting groove 22. The rotation connection of the guide block 3 and the first base 2 can be realized through the cooperation of the rotation part 32 and the rotation shaft 23, so that the guide block 3 can be rotated to take down the liquefied gas tank base 1 after welding is completed, the guide block 3 can be kept on the first base 2, and the guide block 3 can be prevented from falling off in the rotation process.

In detail, a connecting portion 33 is disposed at one end of the guide block 3 away from the rotating portion 32, a first magnetic attraction piece 34 is disposed on the connecting portion 33, a second mounting groove 24 for accommodating the connecting portion 33 is further disposed on the first base 2, and a second magnetic attraction piece 25 matched with the first magnetic attraction piece 34 is disposed in the second mounting groove 24. When the guide block 3 rotates to the position that the first magnetic attraction piece 34 is attracted to the second magnetic attraction piece 25, two ends of the guide block 3 are respectively matched with the first seat body 2 to enable the positioning groove and the first guide groove 21 to enclose a space for accommodating two ends of a steel plate, the connecting portion 33 can be kept in the second mounting groove 24 through the matching of the first magnetic attraction piece 34 and the second magnetic attraction piece 25, and when the welded liquefied gas tank seat 1 needs to be taken down, the guide block 3 is rotated to enable the first magnetic attraction piece 34 and the second magnetic attraction piece 25 to be separated, so that the operation is simple and convenient.

As shown in fig. 3, the first seat 2 is further provided with a plurality of stoppers 26, the stoppers 26 are respectively located on two opposite sides of the first guide groove 21, and a tangential surface 27 is respectively disposed on one surface of the stoppers 26 close to the first guide groove 21. The stop block 26 is used for blocking the steel plate to keep the steel plate in the first guide groove 21, preventing the steel plate from falling off from the first guide groove 21 when the second seat body 4 extrudes the steel plate, and the tangential plane 27 arranged on the stop block 26 can guide the steel plate to be placed in the first guide groove 21, so that the steel plate can be placed in a preset position in the using process.

Referring to fig. 2, the first driving assembly 5 includes an air cylinder 51 disposed on the base 1 and a telescopic rod 52 disposed at an output end of the air cylinder 51, wherein a telescopic direction of the telescopic rod 52 is a vertical direction, and one end of the telescopic rod 52 away from the air cylinder 51 is matched with the second base 4. When the telescopic rod 52 stretches under the driving of the air cylinder 51, the telescopic rod 52 pushes the second seat body 4 to be close to the first seat body 2, the steel plate placed on the first seat body 2 slides under the action of the second seat body 4, when the telescopic rod 52 shortens under the driving of the air cylinder 51, the telescopic rod 52 pulls the second seat body 4 to be far away from the second seat body 4, and at the moment, the second seat body 4 resets and the welded liquefied gas tank base 1 can be taken down.

Referring to fig. 4 and 5, a movable plate 42 movable in a vertical direction is disposed in the second guiding slot 41, a spring 43 is disposed between the movable plate 42 and the second seat 4, and the spring 43 drives the movable plate 42 to move in a direction approaching the first seat 2. When the second seat body 4 extrudes the steel plate, the movable plate 42 is in direct contact with the steel plate, and the steel plate is buffered through the telescopic action of the spring 43, so that the steel plate can be prevented from being excessively deformed due to extrusion of the second seat body 4, and the improvement of the product quality is facilitated.

Specifically, a guide rod 44 is disposed on a surface of the movable plate 42 adjacent to the second seat body 4, an axial direction of the guide rod 44 is consistent with a moving direction of the movable plate 42, and a guide hole 45 matched with the guide rod 44 is disposed on the second seat body 4. The movable plate 42 is guided to move on the second seat 4 by the cooperation of the guide hole 45 and the guide rod 44, so that unexpected deflection is prevented in the process of the movement of the movable plate 42, and the movable plate 42 is ensured to be in stable contact with the steel plate.

Optionally, the second seat body 4 is further provided with a limiting hole 46 communicated with the guiding hole 45, one end of the guiding rod 44 away from the movable plate 42 extends into the limiting hole 46, one end of the guiding rod 44 away from the movable plate 42 is provided with a limiting ring 47 matched with the limiting hole 46, and the spring 43 is arranged in the limiting hole 46. The guide rod 44 is kept in the guide hole 45 by the cooperation of the limit ring 47 and the limit hole 46, the movable plate 42 is prevented from loosening from the second seat body 4, the spring 43 is arranged in the limit hole 46, two opposite ends of the spring 43 in the extending direction are respectively abutted to the second seat body 4 and the limit ring 47, and the cooperation stability between the spring 43 and the movable plate 42 is improved.

As shown in fig. 2 and 6, the base 1 is further provided with a mounting plate 11 spaced from the first base 2, the mounting plate 11 is provided with a movable seat 6 and a second driving assembly 7 for driving the movable seat 6 to approach or depart from the first base 2, the movable seat 6 is provided with a clamping jaw 61, the clamping jaw 61 is provided with a detachable welding gun 62, and the welding gun 62 extends into the space between the first base 2 and the second base 4 when the movable seat 6 approaches the first base 2. The second driving component 7 drives the movable seat 6 to move on the mounting plate 11 to drive the welding gun 62 to move, so that the welding gun 62 stretches into the space between the first seat body 2 and the second seat body 4 to weld a steel plate placed on the first seat body 2, the second driving component 7 drives the movable seat 6 to reset after welding is finished, at the moment, the welding gun 62 withdraws from the space between the first seat body 2 and the second seat body 4 and is far away from the liquefied gas tank base 1 after welding is finished, and the labor intensity of operators can be effectively reduced while the welding efficiency is improved.

In detail, the second driving assembly 7 includes a motor 71 disposed on the mounting plate 11 and a screw rod 72 disposed at an output end of the motor 71, the screw rod 72 is rotatably disposed on the mounting plate 11, an axial direction of the screw rod 72 is consistent with a moving direction of the movable seat 6, and a threaded hole matched with the screw rod 72 is disposed on the movable seat 6. When the screw rod 72 is driven to rotate by the motor 71, the screw rod 72 and the threaded hole are matched to drive the movable seat 6 to move along the axial direction of the screw rod 72, and the motor 71 controls the rotating direction of the screw rod 72 to adjust the moving direction of the movable seat 6 so as to control the movable seat 6 to drive the welding gun 62 to extend into or withdraw from between the first seat 2 and the second seat 4.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims (10)

1. Liquefied gas jar base welding frock, its characterized in that: including the base, be equipped with the first pedestal that is semi-annular on the base, be equipped with first guide way on the first pedestal, still the interval is equipped with two rotatable guide blocks on the first pedestal, radial interval setting along first pedestal of guide block and first guide way, the one side that the guide block is close to first pedestal is equipped with the spacing groove with first guide way intercommunication, still be equipped with the second pedestal of liftable and drive the first drive assembly that the second pedestal goes up and down on the base, the second pedestal is semi-annular and the second pedestal is close to the one side of first pedestal and is equipped with the second guide way, first pedestal and second pedestal enclose into the annular when second pedestal and first pedestal butt.

2. The liquefied gas cylinder base welding fixture as set forth in claim 1, wherein: the one end of guide block is equipped with the rotation portion, the rotation portion is to being close to the direction bending of first pedestal, be equipped with on the first pedestal and hold the first mounting groove of rotation portion just be equipped with in the first mounting groove with rotation portion matched with axis of rotation.

3. The liquefied gas cylinder base welding fixture as set forth in claim 2, wherein: the guide block is far away from the one end of rotating portion is equipped with connecting portion, be equipped with first magnetism on the connecting portion and inhale the piece, still be equipped with on the first pedestal and hold the second mounting groove of connecting portion just be equipped with in the second mounting groove with first magnetism inhale a matched with second magnetism and inhale the piece.

4. The liquefied gas cylinder base welding fixture as set forth in claim 1, wherein: the first seat body is further provided with a plurality of check blocks which are respectively positioned on two opposite sides of the first guide groove, and one surface of each check block, which is close to the first guide groove, is respectively provided with a tangent plane.

5. The liquefied gas cylinder base welding fixture as set forth in claim 1, wherein: the first driving assembly comprises an air cylinder arranged on the base and a telescopic rod arranged at the output end of the air cylinder, wherein the telescopic direction of the telescopic rod is vertical, and one end, far away from the air cylinder, of the telescopic rod is matched with the second base.

6. The liquefied gas cylinder base welding fixture as set forth in claim 1, wherein: the movable plate capable of moving along the vertical direction is arranged in the second guide groove, a spring is arranged between the movable plate and the second seat body, and the spring drives the movable plate to move towards the direction close to the first seat body.

7. The liquefied gas cylinder base welding fixture as set forth in claim 6, wherein: the movable plate is close to one side of the second seat body, a guide rod is arranged on one side of the movable plate, the axial direction of the guide rod is consistent with the moving direction of the movable plate, and a guide hole matched with the guide rod is formed in the second seat body.

8. The liquefied gas cylinder base welding fixture as set forth in claim 7, wherein: the second seat body is further provided with a limiting hole communicated with the guide hole, one end, away from the movable plate, of the guide rod extends into the limiting hole, one end, away from the movable plate, of the guide rod is provided with a limiting ring matched with the limiting hole, and the spring is arranged in the limiting hole.

9. The liquefied gas cylinder base welding fixture as set forth in claim 1, wherein: the base is also provided with a mounting plate which is arranged at intervals with the first base body, the mounting plate is provided with a movable base and a second driving assembly which drives the movable base to be close to or far away from the first base body, the movable base is provided with a clamping jaw, the clamping jaw is provided with a detachable welding gun, and when the movable base is close to the first base body, the welding gun stretches into the space between the first base body and the second base body.

10. The liquefied gas cylinder base welding fixture as set forth in claim 9, wherein: the second driving assembly comprises a motor arranged on the mounting plate and a screw rod arranged at the output end of the motor, the screw rod is rotatably arranged on the mounting plate, the axial direction of the screw rod is consistent with the moving direction of the movable seat, and the movable seat is provided with a threaded hole matched with the screw rod.