CN217142830U

CN217142830U - Lifting rotating platform for welding pressure vessel

Info

Publication number: CN217142830U
Application number: CN202121878684.7U
Authority: CN
Inventors: 傅伟阳; 程勤民; 陈群英; 杜冶伟
Original assignee: Zhejiang Kin Shine Technology Co Ltd
Current assignee: Zhejiang Kin Shine Technology Co Ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-08-09
Anticipated expiration: 2031-08-11

Abstract

The utility model discloses a lifting rotating platform for welding pressure vessels, which comprises a supporting base, wherein a stand column is arranged on a supporting connecting seat, and a placing bottom plate which can rotate around the stand column is arranged at the tail end of the stand column; the middle of the upright post is provided with a lifting seat which can rotate around the upright post, the lifting seat is connected with the placing bottom plate through a first screw rod, and the lifting seat synchronously drives the placing bottom plate to rotate when rotating; the placing bottom plate is provided with a first speed reducer, the first speed reducer drives a first screw rod to rotate, and the first screw rod drives the lifting seat to move up and down after rotating; the lifting seat is fixedly connected with the swing mechanism through a connecting support, and the swing mechanism is provided with a welding gun head; the lifting seat can rotate around the stand column, and the lifting seat can also move up and down along the stand column under the driving of the first screw rod.

Description

Lifting rotating platform for welding pressure vessel

Technical Field

The utility model belongs to the welding field, concretely relates to be used for pressure vessel welded lift to rotate platform.

Background

At present, when a pressure container is welded, an electric welding gun is often used for welding a welding seam on the pressure container, and the transmission welding mode is that the electric welding gun is manually held for welding; when a user holds the electric welding gun, the distance between the electric welding gun and the pressure container cannot be accurately controlled; in the welding process, as long as shaking occurs, the welding seam has non-uniform phenomenon, and the welding quality is greatly influenced; meanwhile, two welding seams are often formed on the pressure container, and after one welding seam is welded, an operator needs to hold an electric welding gun by hand to move to the position near the second welding seam and then continue welding; when a second welding seam is welded, because the distance between the welding gun head and the pressure container is artificially estimated, the formed welding seam is different from the first welding seam, and the welding quality is finally influenced; therefore, a lifting and rotating platform with an adjustable welding gun head needs to be designed.

Disclosure of Invention

The utility model discloses to the problem that appears among the prior art, designed a lift rotation platform that is used for pressure vessel welded, the utility model discloses set up on the stand with welding rifle head fixed connection's lift seat, the lift seat can rotate around the stand, the lift seat can also reciprocate along the stand under the drive of first lead screw.

The invention aims to be realized by the following technical scheme: a lifting rotating platform for welding a pressure vessel comprises a supporting base, a supporting plate and a supporting connecting seat, wherein the supporting plate is movably connected with the supporting base, a stand column is arranged on the supporting connecting seat, one end of the stand column is fixedly connected with the supporting connecting seat, and a placing bottom plate capable of rotating around the stand column is arranged at the other end of the stand column; the middle of the upright post is provided with a lifting seat which can rotate around the upright post, the lifting seat is connected with the placing bottom plate through a first screw rod, and the lifting seat synchronously drives the placing bottom plate to rotate when rotating; the placing bottom plate is provided with a first speed reducer and a driving motor, the driving motor drives the first speed reducer to work through connection transmission when working, the first speed reducer drives a first screw rod to rotate, and the first screw rod drives the lifting seat to move up and down after rotating; the side surface of the upright post is provided with a cylinder mounting seat fixedly connected with the upright post, the cylinder mounting seat is provided with a first cylinder, the placing bottom plate is provided with a limiting hole matched with a piston shaft of the first cylinder, and the piston shaft of the first cylinder can penetrate or penetrate out of the limiting hole; the lifting seat is fixedly connected with the swing mechanism through a connecting support, and the swing mechanism is provided with a welding gun head.

Preferably, the swing mechanism comprises a motor mounting plate and a first motor, and the first motor is fixed on the motor mounting plate; a motor shaft of the first motor penetrates through the motor mounting plate and is fixedly connected with the eccentric wheel; the eccentric wheel is connected with the welding gun fixing plate through the connecting rod, the welding gun fixing plate is fixedly connected with the welding gun head and the first sliding block arranged in the sliding block mounting seat, and the eccentric wheel synchronously drives the first sliding block to swing left and right in the groove of the sliding block mounting seat when rotating.

Through the arrangement of the swing mechanism, the welding gun head in the swing mechanism is driven by the connecting rod to swing left and right in the groove of the slider mounting seat in a small amplitude, and the welding gun head can swing left and right to form uniform welding seams.

Preferably, a first gear is arranged on a motor shaft of the driving motor, a second gear is arranged on the first speed reducer, the first gear is connected with the second gear through a connecting transmission belt, and the diameter of the second gear is larger than that of the first gear.

The diameter of the second gear is larger than that of the first gear, so that the rotating speed of the first speed reducer can be relieved, and the rotating speed of the first screw rod connected with the first speed reducer becomes slow.

Preferably, the lifting seat side be equipped with the connecting rod, the connecting rod on be equipped with rather than swing joint's retaining member, the retaining member pass the through-hole that sets up on the connecting rod and pass through threaded engagement rather than, adjust its and stand side's interval through rotating the retaining member.

Through rotating the retaining member, the retaining member will hug closely the stand side, and the seat that goes up and down will keep quiescent condition like this, can't rotate around the stand, the seat that goes up and down will remain stable.

Preferably, the lower end face of the placing bottom plate is provided with a mounting groove, and the placing bottom plate is movably connected with the upright post through a mounting bearing arranged in the mounting groove.

Through setting up the installation bearing, place the bottom plate and just can rotate around the stand.

Preferably, the supporting plate is provided with a fixed track, and the fixed track is provided with a roller; the side of the supporting base is provided with a first groove, and the roller on the fixed track is arranged in the first groove.

The gyro wheel card on the fixed track in first recess, the direction at first recess place just can be followed to the backup pad convenient removal like this.

Preferably, the lifting seat is provided with a first mounting hole, the first screw rod is meshed with the first mounting hole through threads, and the first screw rod rotates and drives the lifting seat to move up and down.

After the internal thread of the first mounting hole is meshed with the thread on the first screw rod, the first screw rod can drive the lifting seat to move while rotating.

Preferably, the side of the upright post is provided with a cylinder mounting seat fixedly connected with the upright post, the cylinder mounting seat is provided with a first cylinder, the placing bottom plate is provided with a limiting hole matched with a piston shaft of the first cylinder, and the piston shaft of the first cylinder can penetrate or penetrate out of the limiting hole.

When the piston shaft on the first cylinder extends out, the piston shaft can penetrate out of the limiting hole on the placing bottom plate, so that the limiting bottom plate is fixed with the upright post and cannot rotate around the upright post, the first speed reducer drives the first screw rod to rotate, and the placing bottom plate is always kept in a stable state; when the lifting platform does not need to move up and down, the first cylinder controls the piston shaft to contract, so that the placing platform can rotate around the upright post.

Compared with the prior art, the utility model discloses following beneficial effect has: the lifting seat of the utility model is connected with the swing mechanism through the connecting bracket, and the swing mechanism comprises a welding gun head; the upright post is provided with a lifting seat which can rotate around the upright post, and the lifting seat synchronously keeps rotating with a welding gun head on a swing mechanism connected with the lifting seat after rotating, so that the distance between the welding gun head and a welding seam on the pressure vessel can be conveniently adjusted; the upright post is also provided with a placing platform, and the placing platform is connected with the lifting seat through a first screw rod; the first speed reducer on the placing platform drives the first screw rod to rotate and simultaneously drives the lifting seat to move up and down, so that the vertical distance between the welding gun head and the pressure container can be accurately adjusted; therefore, the positional relationship between the welding torch head and the pressure vessel can be adjusted quickly and accurately by the lifting base connected thereto.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is an exploded view of the present invention.

The labels in the figure are: 1. a support base; 101. a first groove; 2. fixing a track; 201. a roller; 3. a support plate; 4. supporting the connecting seat; 5. a rocking mechanism; 51. welding the gun head; 52. a first motor; 53. an eccentric wheel; 54, a first electrode; a connecting rod; 55. a motor mounting plate; 56. a slider mounting seat; 57. fixing a welding gun plate; 58. a first slider; 6. a column; 7. a drive motor; 71. a first gear; 8. a first decelerator; 81. a second gear; 9. connecting a transmission belt; 10. placing a bottom plate; 11. a cylinder mounting seat; 12. a lifting seat; 121. a connecting rod; 13. a locking member; 14. a first lead screw; 15. connecting a bracket; 16. mounting a bearing; 17. a first cylinder; 18. a first mounting hole; 19. a limiting hole; 20. and installing a groove.

Detailed Description

The invention will be further described with reference to the embodiments shown in the drawings to which:

example 1

As shown in fig. 1 to 2, a lifting rotating platform for welding a pressure vessel comprises a supporting base 1, a supporting plate 3 and a supporting connecting seat 4, wherein the supporting plate 3 is movably connected with the supporting base 1, an upright post 6 is arranged on the supporting connecting seat 4, one end of the upright post 6 is fixedly connected with the supporting connecting seat 4, and the other end of the upright post 6 is provided with a placing bottom plate 10 which can rotate around the upright post; a lifting seat 12 capable of rotating around the upright column 6 is arranged in the middle of the upright column, the lifting seat 12 is connected with the placing bottom plate 10 through a first screw rod 14, and the placing bottom plate 10 is synchronously driven to rotate when the lifting seat 12 rotates; the placing bottom plate 10 is provided with a first speed reducer 8 and a driving motor 7, the driving motor 7 drives the first speed reducer 8 to work through a connecting driving belt 9 when working, the first speed reducer 8 drives a first screw rod 14 to rotate, and the first screw rod 14 drives a lifting seat 12 to move up and down after rotating; the lifting seat 12 is fixedly connected with the swing mechanism 5 through a connecting support 15, and the swing mechanism 5 is provided with a welding gun head 51.

The swing mechanism 5 comprises a motor mounting plate 55 and a first motor 52, wherein the first motor 52 is fixed on the motor mounting plate 55; a motor shaft of the first motor 52 penetrates through a motor mounting plate 55 and then is fixedly connected with an eccentric wheel 53; the eccentric wheel 53 is connected with a welding gun fixing plate 57 through a connecting rod 54, the welding gun fixing plate 57 is fixedly connected with the welding gun head 51 and a first sliding block 58 arranged in a sliding block mounting seat 56, and the eccentric wheel 53 synchronously drives the first sliding block 58 to swing left and right in a groove of the sliding block mounting seat 56 when rotating. A first gear 71 is arranged on a motor shaft of the driving motor 7, a second gear 81 is arranged on the first speed reducer 8, the first gear 71 is connected with the second gear 81 through a connecting transmission belt 9, and the diameter of the second gear 81 is larger than that of the first gear 71. Lifting seat 12 side be equipped with connecting rod 121, connecting rod 121 on be equipped with rather than swing joint's retaining member 13, retaining member 13 pass the through-hole that sets up on connecting rod 121 and pass through threaded engagement with it, adjust its and the interval of stand 6 side through rotating retaining member 13. The lower end face of the placing bottom plate 10 is provided with a mounting groove 20, and the placing bottom plate 10 is movably connected with the upright post 6 through a mounting bearing 16 arranged in the mounting groove 20. A fixed rail 2 is arranged on the supporting plate 3, and a roller 201 is arranged on the fixed rail 2; the side of the supporting base 1 is provided with a first groove 101, and the roller 201 on the fixed track 2 is arranged in the first groove 101. The lifting seat 12 is provided with a first mounting hole 18, the first screw rod 14 is meshed with the internal thread of the first mounting hole 18, and the first screw rod 14 rotates and drives the lifting seat 12 to move up and down. The side of stand 6 on be equipped with rather than fixed connection's cylinder mount pad 11, cylinder mount pad 11 on be equipped with first cylinder 17, place the bottom plate 10 on be equipped with the spacing hole 19 of first cylinder 17's piston shaft complex, first cylinder 17 piston shaft can penetrate or wear out from spacing hole 19.

The specific operation process of the utility model is as follows, firstly placing the pressure container to be welded, opening the first cylinder 17, and letting the piston shaft on the first cylinder 17 penetrate out of the limiting hole 19 of the placing bottom plate, thus the placing bottom plate 10 and the upright post 6 keep a stable state, and the placing bottom plate 10 can not rotate; the driving motor 7 is started, the driving motor 7 drives the first speed reducer 8 to work through the connecting transmission belt 9, the first speed reducer 8 drives the first screw rod 14 to rotate, the first screw rod 14 drives the lifting seat 12 to move up and down while rotating, and the welding gun head 51 connected with the lifting seat 23 synchronously keeps moving up and down, so that the distance between the welding gun head 51 and the pressure container in the vertical direction is adjusted; closing the first air cylinder 17, retracting the piston shaft on the first air cylinder 17 from the limiting hole 19, rotating the lifting seat 12, and enabling the welding gun head 51 to be close to the position of the welding seam on the pressure vessel; after the position is determined, the locking piece 13 on the connecting rod 121 of the lifting seat 12 is rotated, so that the lifting seat 12 cannot rotate continuously around the upright post 6, the lifting seat 12 keeps a locking state, and the position adjustment of the welding gun head 51 is finished.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A lifting rotating platform for welding a pressure vessel comprises a supporting base (1), a supporting plate (3) and a supporting connecting seat (4), wherein the supporting plate (3) is movably connected with the supporting base (1), and is characterized in that an upright post (6) is arranged on the supporting connecting seat (4), one end of the upright post (6) is fixedly connected with the supporting connecting seat (4), and the other end of the upright post (6) is provided with a placing bottom plate (10) which can rotate around the upright post; a lifting seat (12) capable of rotating around the upright post (6) is arranged in the middle of the upright post, the lifting seat (12) is connected with the placing bottom plate (10) through a first screw rod (14), and the placing bottom plate (10) is synchronously driven to rotate when the lifting seat (12) rotates; the placing bottom plate (10) is provided with a first speed reducer (8) and a driving motor (7), the driving motor (7) moves the first speed reducer (8) to work through a connecting transmission belt (9) when working, the first speed reducer (8) drives a first screw rod (14) to rotate, and the first screw rod (14) drives a lifting seat (12) to move up and down after rotating; the lifting seat (12) is fixedly connected with the swing mechanism (5) through a connecting support (15), and the swing mechanism (5) is provided with a welding gun head (51).

2. The lifting and rotating platform for welding of pressure vessels according to claim 1, characterized in that the rocking mechanism (5) comprises a motor mounting plate (55) and a first motor (52), the first motor (52) being fixed to the motor mounting plate (55); a motor shaft of the first motor (52) penetrates through a motor mounting plate (55) and then is fixedly connected with an eccentric wheel (53); the welding gun is characterized in that the eccentric wheel (53) is connected with a welding gun fixing plate (57) through a connecting rod (54), the welding gun fixing plate (57) is fixedly connected with a welding gun head (51) and a first sliding block (58) arranged in a sliding block mounting seat (56), and the eccentric wheel (53) synchronously drives the first sliding block (58) to swing left and right in a groove of the sliding block mounting seat (56) when rotating.

3. The lifting rotating platform for welding of pressure vessels according to claim 1, characterized in that a first gear (71) is arranged on a motor shaft of the driving motor (7), a second gear (81) is arranged on the first reducer (8), the first gear (71) and the second gear (81) are connected through a connecting belt (9), and the diameter of the second gear (81) is larger than that of the first gear (71).

4. The lifting and rotating platform for welding pressure vessels according to claim 1, characterized in that the lifting seat (12) is provided with a connecting rod (121) at the side, the connecting rod (121) is provided with a locking member (13) movably connected with the connecting rod, the locking member (13) passes through a through hole arranged on the connecting rod (121) and is in threaded engagement with the through hole, and the distance between the locking member (13) and the side of the upright post (6) is adjusted by rotating the locking member.

5. The lifting rotating platform for welding the pressure vessel as claimed in claim 1, wherein the lower end surface of the placing bottom plate (10) is provided with a mounting groove (20), and the placing bottom plate (10) is movably connected with the upright post (6) through a mounting bearing (16) arranged in the mounting groove (20).

6. The lifting rotating platform for welding of pressure vessels according to claim 1, wherein a fixed rail (2) is arranged on the supporting plate (3), and a roller (201) is arranged on the fixed rail (2); the side surface of the supporting base (1) is provided with a first groove (101), and the roller (201) on the fixed track (2) is arranged in the first groove (101).

7. The lifting rotating platform for welding the pressure vessels as claimed in claim 1, wherein the lifting base (12) is provided with a first mounting hole (18), the first screw rod (14) is meshed with the internal thread of the first mounting hole (18), and the first screw rod (14) rotates and drives the lifting base (12) to move up and down.

8. The lifting rotating platform for welding of the pressure vessel as claimed in claim 1, wherein a cylinder mounting seat (11) fixedly connected with the column (6) is arranged on the side surface of the column, a first cylinder (17) is arranged on the cylinder mounting seat (11), a limiting hole (19) matched with a piston shaft of the first cylinder (17) is arranged on the placing bottom plate (10), and the piston shaft of the first cylinder (17) can penetrate or penetrate through the limiting hole (19).