CN117283221B

CN117283221B - A welding device for automobile steel pipe

Info

Publication number: CN117283221B
Application number: CN202311561266.9A
Authority: CN
Inventors: 毛敏峰; 石小琴
Original assignee: Jiangsu Yaxin Precision Technology Co ltd
Current assignee: Jiangsu Yaxin Precision Technology Co ltd
Priority date: 2023-11-22
Filing date: 2023-11-22
Publication date: 2024-04-09
Anticipated expiration: 2043-11-22
Also published as: CN117283221A

Abstract

The invention relates to the field of automobile steel pipe machining, and discloses welding equipment for automobile steel pipes, which comprises a bottom plate, a lifting plate and a top plate, wherein the lifting plate is arranged right above the bottom plate, hydraulic cylinders are arranged at the two sides of the upper surface of the bottom plate, the output ends of the hydraulic cylinders are connected to the lifting plate, the top plate is arranged above the lifting plate through a rotating structure, a lifting frame is arranged on the top plate through an adjusting structure, a turning rod is arranged on the lifting frame through a turning structure, the turning rod is sleeved with the turning plate, the turning plate drives a first screw rod to rotate by utilizing the sliding of a first inserted rod in a first guide groove, and drives a penetrating rod to slide in a Z-shaped groove on a driving block through a driving frame and a first gear, so that a second clamping block is driven to move towards one side close to the first clamping block, the steel pipe is automatically clamped to be lifted and welded, the operation is more labor-saving and convenient, and the working efficiency is improved.

Description

Welding equipment for automobile steel pipes

Technical Field

The invention relates to the technical field of automobile steel pipe machining, in particular to welding equipment for an automobile steel pipe.

Background

With the continuous development of society, the automobile industry is also in vigorous development, new technology and new technology of the automobile are continuously perfected, and when the automobile is processed, steel pipes are required to be welded on an automobile frame, and welding equipment is required to be used;

according to the welding equipment in the prior art, the heights of the clamping device and the enclasping device are adjusted through the air cylinder, so that the relieving device can be suitable for automobile frames with different heights, the clamping device is connected with the automobile frames, the installation position of the welding device is determined, the clamping device can be suitable for the automobile frames with different sizes through the matching of the clamping plates and the elastic pieces, the steel pipes are clamped and fixed through the first enclasping ring and the second enclasping ring, the enclasping device can be suitable for the steel pipes with different sizes through the matching of the sliding plate, the sliding groove and the moving plate, the steel pipes can be moved to the proper positions through the matching of the clamping device and the enclasping device, the steel pipes can not generate offset and data deviation during subsequent welding, and manpower and time can be saved;

however, when the steel pipe is fixedly lifted, the steel pipe needs to be manually moved into the first holding ring and the second holding ring, and when the steel pipe passes through the first holding ring and the second holding ring, the steel pipe also needs to be manually stabilized, another worker rotates the nut on the locking plate to fix the steel pipe, and after welding, the nut needs to be loosened again, the first holding ring and the second holding ring are detached from the steel pipe, so that the operation is time-consuming and labor-consuming, the working efficiency is reduced, and therefore, the improvement exists.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides welding equipment for automobile steel pipes.

The invention provides welding equipment for automobile steel pipes, which adopts the following technical scheme:

the utility model provides a welding equipment of car steel pipe, includes bottom plate, lifter plate and roof, department is provided with the lifter plate directly over the bottom plate, the pneumatic cylinder is all installed to the above both sides department of bottom plate, the output of pneumatic cylinder is connected on the lifter plate, the roof is installed through revolution mechanic to the lifter plate top, be provided with the lifting frame through adjusting structure on the roof, be provided with the turnover rod through flip structure on the lifting frame, the cover has the turnover plate on the turnover rod, the both ends position department of turnover plate all is provided with clamping structure.

Preferably, the clamping structure comprises U-shaped plates connected to two ends of the overturning plate, each U-shaped plate is provided with a first clamping block on the lower inner wall of the U-shaped plate, a first opening is formed in the upper position of the side face of the U-shaped plate, a driving block penetrates through the first opening, a second clamping block is arranged on the part, extending into the U-shaped plate, of the driving block, a Z-shaped groove is formed in the driving block, a guide groove is formed in the position, close to the U-shaped plate, of the overturning plate, a moving block is slidably arranged in the guide groove, a penetrating rod is connected to the moving block, and the penetrating rod penetrates through the Z-shaped groove.

Preferably, the position department that is in the turnover rod on the turnover plate passes there is the drive frame, the position department that is close to the intermediate position above the turnover plate is connected with the fixed block, rotate on the fixed block and pass there is first screw rod, first screw rod is in the one end department cover that drives the frame has first gear, be provided with the tooth of being connected with first gear engagement on the drive frame, the cover has the screwed pipe on the other end of first screw rod, the one end of screwed pipe is connected on the movable block, the intermediate position department that drives frame one end is connected with the pull rod, the cover that is in the position department activity of pull rod on the turnover rod is equipped with the pulling dish, set up the arc wall that supplies the pull rod to pass on the pulling dish, the both sides department that is in the pulling dish on the pull rod all overlaps there is the stop collar.

Preferably, the pulling disc is connected with a connecting strip, one end of the connecting strip extends to an L-shaped plate, one end of the L-shaped plate is connected to the top plate, the L-shaped plate is arranged on the adjusting structure, the top end of the L-shaped plate is connected with an extending plate, the side surface of the extending plate is connected with a side plate, a first lifting sleeve is sleeved on the side plate, a first sliding groove is formed in the first lifting sleeve, a first sliding block is slidably arranged in the first sliding groove, a first inserting rod penetrates through the first sliding block, a first guiding groove is formed in the side plate, the inner walls of the upper side and the lower side of the first guiding groove are inclined surfaces, one end of the first inserting rod is slidably arranged in the first guiding groove, a first telescopic rod is connected between the first sliding block and one end groove wall of the first sliding groove, two ends of the first spring are respectively connected to one end of the first sliding block and one end wall of the first sliding groove, and one end of the connecting strip is connected to the first inserting rod.

Preferably, the middle part of the upper surface of the U-shaped plate is penetrated and is provided with a loosening rod, the bottom end of the loosening rod is sleeved with a pushing block, the pushing block is tightly attached to a second clamping block, the top end of the loosening rod penetrating out of the U-shaped plate is sleeved with a rotary table, two second telescopic rods are connected between the second clamping block and the driving block, the second telescopic rods are respectively sleeved with a second spring, the two ends of each second spring are respectively connected to the second clamping block and the driving block, and the loosening rod provided with threads penetrates through a screw hole formed in the driving block.

Preferably, the adjusting structure comprises an adjusting frame arranged on the top plate, a third screw rod penetrates through the adjusting frame in a rotating mode, rotating blocks are sleeved on two ends of the third screw rod penetrating out of the adjusting frame, an adjusting plate is inserted into the adjusting frame, a screw hole for the third screw rod to penetrate through is formed in the adjusting plate, one end of the L-shaped plate is connected to the adjusting plate, a support is arranged on the adjusting plate, a motor is arranged in the middle of the lower inner wall of the support, the output end of the motor is connected with a second screw rod, the second screw rod penetrates through the screw hole formed in the lifting frame, and the top end of the second screw rod is rotationally connected to the upper inner wall of the support.

Preferably, the turnover structure comprises a second gear sleeved at two ends of the turnover rod, a movable sleeve is movably sleeved at a position, close to the second gear, on the turnover rod, a connecting plate is connected to the movable sleeve, one end of the connecting plate is connected with a second lifting sleeve, the second lifting sleeve is sleeved on an L-shaped plate, a second sliding groove is formed in the second lifting sleeve, a second sliding block is arranged in the second sliding groove in a sliding mode, a second inserting rod penetrates through the second sliding block, a second guiding groove for sliding one end of the second inserting rod is formed in the L-shaped plate, a connecting rod is connected to the lower portion of the second sliding block, and a driving bar is connected to one end, above the second gear, of the connecting rod.

Preferably, the supporting seat is installed near the front edge on the bottom plate, the through groove is formed in the middle of the supporting seat, the lifting block penetrates through the through groove, a third telescopic rod is connected between the lifting block and the lower groove wall of the through groove, a third spring is sleeved on the third telescopic rod, two ends of the third spring are respectively connected to the lifting block and the lower groove wall of the through groove, and two ends of the lifting block are respectively connected with the blocking plates of the extending part supporting seat.

Preferably, the rotary structure comprises a rotary cylinder connected to the middle part of the upper surface of the lifting plate, the top end of the rotary cylinder is connected to the top plate, a handle is connected to the position of the top end of the rotary cylinder, a pulley is arranged on the outer side of the rotary cylinder, a fourth telescopic rod is arranged in the middle of the lower inner wall of the rotary cylinder, a top block is connected to the top end of the fourth telescopic rod, a fourth spring is sleeved on the fourth telescopic rod, two ends of the fourth spring are respectively connected to the top block and the lower inner wall of the rotary cylinder, the top block is connected with the supporting cylinder through a connecting handle, a second opening for the connecting handle to pass through is formed in the inner wall of the rotary cylinder, a third opening is formed in the upper inner wall of the rotary cylinder, a holding rod extending to the handle is arranged in the third opening, a fifth telescopic rod is connected between one end of the holding rod and the rotary cylinder, a fifth spring is sleeved on the fifth telescopic rod, the fifth spring is connected to the bottom end of the fifth telescopic rod and the holding rod, and the bottom end of the fifth telescopic rod is close to the lifting plate.

In summary, the invention has the following beneficial technical effects:

the U-shaped plate at the end part of the turnover plate is provided with the first clamping block and the second clamping block, the second clamping block is provided with the driving block, the moving block, the penetrating rod, the first screw rod, the screw pipe and the first gear, one end of the turnover plate is provided with the driving frame, the pull rod, the limiting sleeve and the pulling disc, one end of the connecting strip connected with the pulling disc is provided with the first inserting rod, the first lifting sleeve, the first sliding block and the first guide groove on the side plate, so that the turned-down turnover plate can be welded in a labor-saving and convenient manner by automatically clamping the steel pipe in a lifting manner by utilizing the sliding of the first inserting rod in the first guide groove and driving the first screw rod to rotate through the driving frame and the first gear, so that the penetrating rod is driven to slide in the Z-shaped groove on the driving block, and the second clamping block is driven to move towards one side close to the first clamping block;

the second clamping block is connected to the driving block through the second spring, one end of the loosening rod penetrating through the U-shaped plate pushes the block to be tightly attached to the second clamping block, after the lifted steel pipe is welded, the loosening rod can be directly rotated to drive the pushing block to move towards one side far away from the second clamping block, and the steel pipe can be directly loosened after being welded, so that the next steel pipe can be conveniently lifted by turning the turnover plate again;

the two ends of the turning rod are respectively provided with a second gear and a movable sleeve, a second lifting sleeve at one end of a connecting plate on the movable sleeve is sleeved on the L-shaped plate, a second sliding block and a second inserting rod are arranged on the second lifting sleeve, the second inserting rod is arranged in a second guide groove on the L-shaped plate in a sliding manner, and teeth in meshed connection with the second gear are arranged below a driving strip at one end of the connecting rod on the second sliding block, so that when the turning plate moves downwards or upwards, the sliding of the second inserting rod in the second guide groove can be utilized to automatically drive the turning plate to rotate downwards or upwards so as to clamp and lift a steel pipe;

the top plate and the lifting plate are rotationally connected through the rotary cylinder, the fourth telescopic rod, the fourth spring and the top block are arranged in the rotary cylinder, the top block is connected with the abutting cylinder through the connecting handle, the holding rod, the fifth telescopic rod and the fifth spring are arranged in the third opening on the abutting cylinder, the holding rod extends to the handle of the rotary cylinder, the pulley is arranged at the upper inner wall of the third opening, the holding rod is pulled at the handle to lift the abutting cylinder, the positioning of the lifting plate on the top plate is relieved, the top plate can be flexibly rotated by the handle when the steel pipe is lifted and welded, the position of the steel pipe is adjusted, and the steel pipe lifting device is more convenient to use.

Drawings

Fig. 1 is a schematic structural view of an apparatus for welding automotive steel pipes according to an embodiment of the present invention;

FIG. 2 is an enlarged view of the structure at A of FIG. 1 in an embodiment of the invention;

FIG. 3 is an enlarged view of the structure at B of FIG. 1 in an embodiment of the present invention;

fig. 4 is a schematic view of the internal structure of a rotary cylinder and a tightening cylinder of a welding device for automobile steel pipes in an embodiment of the invention;

FIG. 5 is an enlarged view of the structure at C of FIG. 4 in an embodiment of the invention;

FIG. 6 is an enlarged view of the structure at D of FIG. 4 in an embodiment of the invention

Fig. 7 is a schematic view showing a structure of an embodiment of the present invention above a lifting plate of a welding apparatus for automotive steel pipes;

FIG. 8 is an enlarged view of the structure at E of FIG. 7 in an embodiment of the invention;

FIG. 9 is an enlarged view of the structure at F of FIG. 7 in an embodiment of the invention;

FIG. 10 is an enlarged view of the structure at G of FIG. 7 in accordance with an embodiment of the present invention;

fig. 11 is a schematic view of the structure of an L-shaped plate of a welding device for automotive steel pipes in an embodiment of the invention.

Reference numerals illustrate: 1. a bottom plate; 2. a hydraulic cylinder; 3. a lifting plate; 4. a top plate; 5. a lifting frame; 6. a turnover plate; 7. turning over the rod; 8. a U-shaped plate; 9. a first clamping block; 10. a first opening; 11. a driving block; 12. a Z-shaped groove; 13. a penetrating rod; 14. a moving block; 15. a guide groove; 16. a second clamping block; 17. a solenoid; 18. a first screw; 19. a fixed block; 20. driving the frame; 21. a first gear; 22. a pull rod; 23. a limit sleeve; 24. pulling the disc; 25. an arc-shaped groove; 26. a connecting strip; 27. an L-shaped plate; 28. an extension plate; 29. a side plate; 30. a first lifting sleeve; 31. a first chute; 32. a first slider; 33. a first plunger; 34. a first guide groove; 35. a first telescopic rod; 36. a first spring; 37. loosening the rod; 38. a turntable; 39. a pushing block; 40. a second telescopic rod; 41. a second spring; 42. an adjusting frame; 43. a third screw; 44. a rotating block; 45. an adjusting plate; 46. a bracket; 47. a motor; 48. a second screw; 49. a second gear; 50. a movable sleeve; 51. a connecting plate; 52. a second lifting sleeve; 53. driving the strip; 54. a connecting rod; 55. a second chute; 56. a second slider; 57. a second plunger; 58. a second guide groove; 59. a support base; 60. a through groove; 61. a lifting block; 62. a barrier plate; 63. a third telescopic rod; 64. a third spring; 65. a rotary drum; 66. a pressing cylinder; 67. a handle; 68. a fourth telescopic rod; 69. a fourth spring; 70. a top block; 71. a connecting handle; 72. a second opening; 73. a third opening; 74. a pulley; 75. a grip; 76. a fifth telescopic rod; 77. a fifth spring; 78. and a rubber pad.

Detailed Description

The present invention is described in further detail below with reference to fig. 1-11.

Referring to fig. 1, the embodiment of the invention discloses a welding device for automobile steel pipes, which comprises a bottom plate 1, a lifting plate 3 and a top plate 4, wherein the lifting plate 3 is arranged right above the bottom plate 1, hydraulic cylinders 2 are arranged at the two sides of the upper surface of the bottom plate 1, the output ends of the hydraulic cylinders 2 are connected to the lifting plate 3, the top plate 4 is arranged above the lifting plate 3 through a rotating structure, a lifting frame 5 is arranged on the top plate 4 through an adjusting structure, a turning rod 7 is arranged on the lifting frame 5 through a turning structure, a turning plate 6 is sleeved on the turning rod 7, clamping structures are arranged at the two ends of the turning plate 6, and the steel pipes can be automatically clamped and fixed through the clamping structures to perform welding work of the steel pipes, so that the working efficiency is improved.

Referring to fig. 1, fig. 2, fig. 3, fig. 7, fig. 10 and fig. 11, the clamping structure comprises U-shaped plates 8 connected to two ends of a turning plate 6, a first clamping block 9 is arranged on the lower inner wall of each U-shaped plate 8, a first opening 10 is formed in the upper position of the side surface of each U-shaped plate 8, a driving block 11 is movably penetrated through the first opening 10, two side surfaces of the driving block 11 are attached to the inner wall of the first opening 10, a second clamping block 16 is arranged on the part, extending into the U-shaped plate 8, of the driving block 11, a concave arc-shaped surface is arranged below the second clamping block 16, a Z-shaped groove 12 is formed in the driving block 11, a guide groove 15 is formed in the position, close to the U-shaped plate 8, of the upper surface of the turning plate 6, a moving block 14 is slidably arranged in the guide groove 15, a penetrating rod 13 is fixedly connected to the moving block 14, the penetrating rod 13 penetrates through the Z-shaped groove 12, the moving block 14 is driven to move in the direction away from the second clamping block 16 in the guide groove 15, the penetrating rod 13 is driven to move towards the second clamping groove 11 by the Z-shaped groove 12, and the second clamping block is driven to move towards the wall of the second clamping block 11 by virtue of the Z-shaped groove 12;

the turnover plate 6 is movably penetrated by a driving frame 20 at the position of the turnover rod 7, a fixed block 19 is connected to the turnover plate 6 at the position close to the middle position, a first screw rod 18 is rotatably penetrated by the fixed block 19, a first gear 21 is fixedly sleeved at one end of the first screw rod 18, the driving frame 20 is provided with teeth which are meshed with the first gear 21, a screw tube 17 is sleeved at the other end of the first screw rod 18, the inner wall of the screw tube 17 is provided with threads, one end of the screw tube 17 is connected to a moving block 14, a pull rod 22 is connected to the middle position of one end of the driving frame 20, a pulling disc 24 is movably sleeved at the position of the pull rod 22 on the turnover rod 7, an arc-shaped groove 25 for the pull rod 22 to penetrate is formed in the pulling disc 24, a limit sleeve 23 is fixedly sleeved at two sides of the pull disc 24, when the pulling disc 24 moves on the turnover rod 7, the driving frame 20 is pulled to move on the turnover plate 6, the first screw rod 18 is driven to rotate through the first gear 21, and the screw tube 17 moves in a Z-shaped groove 13 on the first screw rod 18;

the pulling disc 24 is connected with a connecting strip 26, one end of the connecting strip 26 extends to an L-shaped plate 27, one end of the L-shaped plate 27 is connected to the top plate 4, the L-shaped plate 27 is arranged on an adjusting structure, the top end of the L-shaped plate 27 is connected with an extending plate 28, the side surface of the extending plate 28 is connected with a side plate 29, a first lifting sleeve 30 is sleeved on the side plate 29 in a movable manner, a first sliding groove 31 is formed in the first lifting sleeve 30, a first sliding block 32 is arranged in the first sliding groove 31 in a sliding manner, a first inserting rod 33 fixedly penetrates through the first sliding block 32, a first guiding groove 34 is formed in the side plate 29, the inner walls of the upper side and the lower side of the first guiding groove 34 are inclined surfaces, one end of the first inserting rod 33 is arranged in the first guiding groove 34 in a sliding manner, a first telescopic rod 35 is connected between the first sliding block 32 and one end groove wall of the first sliding groove 31, a first spring 36 is sleeved on the first telescopic rod 35, two ends of the first spring 36 are respectively connected to the first sliding block 32 and one end groove wall of the first sliding groove 31, one end of the connecting strip 26 is connected to the first inserting rod 33, when the lifting frame 5 moves downwards, one end of the first inserting rod 33 is driven to slide to the bottom end of the first guide groove 34, the first sliding block 32 and the first inserting rod 33 are moved and reset by the lifted first spring 36, when the lifting frame 5 moves upwards, the first sliding block 32 is pushed to move in the first sliding groove 31 under the guide of an inner inclined plane under the first guide groove 34, so that the pulling disc 24 is pulled to move on the turnover rod 7, and further the clamping work of the steel pipe is automatically realized.

Referring to fig. 2, a loosening rod 37 is movably penetrated in the middle of the upper surface of the U-shaped plate 8, a pushing block 39 is fixedly sleeved on the bottom end of the loosening rod 37, the pushing block 39 is tightly attached to the second clamping block 16, a turntable 38 is fixedly sleeved on the top end of the loosening rod 37 penetrating out of the U-shaped plate 8, two second telescopic rods 40 are connected between the second clamping block 16 and the driving block 11, two second springs 41 are sleeved on the two second telescopic rods 40, two ends of each second spring 41 are respectively connected to the second clamping block 16 and the driving block 11, the loosening rod 37 with threads penetrates through screw holes formed in the driving block 11, after welding of a steel pipe is completed, the loosening rod 37 can be rotated by the turntable 38, the pushing block 39 is driven to move towards one side far away from the second clamping block 16, the second clamping block 16 is pulled towards one side far away from the steel pipe by the pulling force of the second springs 41, and then the steel pipe is loosened, the first clamping block 9 and the second clamping block 16 are smoothly removed on the steel pipe, and the next welding work of the steel pipe is performed.

Referring to fig. 6-8, the adjusting structure comprises an adjusting frame 42 arranged on the top plate 4, a third screw 43 is rotatably arranged on the adjusting frame 42, a rotating block 44 is fixedly sleeved on both ends of the third screw 43 penetrating out of the adjusting frame 42, an adjusting plate 45 is inserted into the adjusting frame 42, a screw hole for the third screw 43 to penetrate is formed in the adjusting plate 45, when the third screw 43 is rotated by the rotating block 44, the position of the top plate 4 can be flexibly adjusted along the length direction of the adjusting frame 42 according to actual conditions, one end of an L-shaped plate 27 is connected to the adjusting plate 45, a bracket 46 is arranged on the upper surface of the adjusting plate 45, a motor 47 is arranged in the middle of the lower inner wall of the bracket 46, the motor 47 is a positive and negative motor, the output end of the motor 47 is connected with a second screw 48, the second screw 48 penetrates through a screw hole formed in the lifting frame 5, the top end of the second screw 48 is rotatably connected to the upper inner wall of the bracket 46, and when the motor 48 is started to drive the second screw 48 to rotate, the lifting frame 5 is driven to integrally move or rotate down on the second screw 48;

the turnover structure comprises a fixed second gear 49 sleeved at two ends of a turnover rod 7, a movable sleeve 50 is sleeved at the position, close to the second gear 49, of the turnover rod 7, a connecting plate 51 is connected to the movable sleeve 50, one end of the connecting plate 51 is connected with a second lifting sleeve 52, the movable sleeve of the second lifting sleeve 52 is arranged on an L-shaped plate 27, a second sliding groove 55 is formed in the second lifting sleeve 52, a second sliding block 56 is slidably arranged in the second sliding groove 55, a second guide groove 58 for sliding one end of the second sliding block 57 is fixedly formed in the second sliding block 56, a connecting rod 54 is connected to the lower portion of the L-shaped plate 27, the connecting rod 54 extends to one end, close to the upper position of the second gear 49, of the connecting rod 53, teeth connected with the second gear 49 in a meshed mode are arranged below the driving rod 53, the lifting frame 5 drives the turnover plate 6 to move downwards to be close to the lower position, the second sliding groove 55 is utilized to slide in the second guide groove 58, the second sliding block 56 is fixedly arranged in the second sliding groove 55, one end of the second sliding block 56 penetrates through the second sliding block 57, a second guide groove 58 is fixedly arranged on the L-shaped plate 27, a connecting rod 54 is connected to the lower portion of the second sliding block 56 is connected to one end of the connecting rod 53, the connecting rod 54 extends to one end of the upper position of the second gear 49, the upper end of the connecting rod is meshed with the connecting rod 53, teeth are meshed with the upper end of the second lifting rod 53, the lifting rod is meshed with the upper end of the lifting rod is meshed with the lifting rod, the lifting rod 6 is driven to move down, and the lifting rod 6 is close to the lower position of the upper position of the lifting rod 5, and the lifting rod is driven to rotate and the lifting rod 5, and the lifting rod 5 is moved to rotate and lower rod and so speed rod 5, and so speed and so 7, and so convenience is convenient.

Referring to fig. 1, 5 and 6, a supporting seat 59 is installed on the upper surface of the bottom plate 1 near the front side edge, a through groove 60 is formed in the middle of the upper surface of the supporting seat 59, a lifting block 61 is movably penetrated in the through groove 60, a third telescopic rod 63 is connected between the lifting block 61 and the lower groove wall of the through groove 60, a third spring 64 is sleeved on the third telescopic rod 63, two ends of the third spring 64 are respectively connected to the lifting block 61 and the lower groove wall of the through groove 60, two ends of the lifting block 61 are connected with a blocking plate 62 of the supporting seat 59 at the extending position, steel pipes can be stored on the supporting seat 59, the two blocking plates 62 play a role of blocking the steel pipes on the supporting seat 59, and when the first clamping block 9 and the second clamping block 16 move down onto the blocking plate 62, the blocking plate 62 is pushed to move up and down on the supporting seat 59 along with the continuous downward movement of the lifting frame 5, and the steel pipes are exposed, so that the steel pipes can be smoothly clamped and fixed for welding;

the rotating structure comprises a rotating cylinder 65 connected in the middle of the upper surface of the lifting plate 3, the top end of the rotating cylinder 65 is connected on the top plate 4, a handle 67 is connected on the rotating cylinder 65 at the top end position, a tightening cylinder 66 is arranged on the outer side of the rotating cylinder 65, a fourth telescopic rod 68 is arranged in the middle of the lower inner wall of the rotating cylinder 65, the top end of the fourth telescopic rod 68 is connected with a top block 70, a fourth spring 69 is sleeved on the fourth telescopic rod 68, two ends of the fourth spring 69 are respectively connected on the top block 70 and the lower inner wall of the rotating cylinder 65, the top block 70 is connected with the tightening cylinder 66 through a connecting handle 71, a second opening 72 for the connecting handle 71 to move through is arranged on the rotating cylinder 65, a third opening 73 is arranged on the inner wall of the rotating cylinder 65, a pulley 74 is arranged on the upper inner wall of the third opening 73, a holding rod 75 extending to the handle 67 is arranged in the third opening 73, a fifth telescopic rod 76 is connected between one end of the holding rod 75 and the rotary cylinder 65, a fifth spring 77 is sleeved on the fifth telescopic rod 76, two ends of the fifth spring 77 are respectively connected to the rotary cylinder 65 and the holding rod 75, an arch surface is arranged on the holding rod 75 near the position of the fifth telescopic rod 76, a rubber pad 78 is arranged on the lifting plate 3 at the bottom end of the abutting cylinder 66, when the lifting steel pipe needs to be rotated and adjusted to the lifting position, the holding rod 75 can be held at the handle 67, the abutting cylinder 66 is pushed to move away from the rubber pad 78 by pressing the arch surface of the holding rod 75 to push the pulley 74, then the rotary cylinder 65 can be rotated by the handle 67 to adjust the position of the steel pipe, the operation is simple and convenient, when the holding rod 75 is released, the holding rod 75 is reset by the fifth spring 77, the pulling force of the fourth spring 69 is matched, the abutting cylinder 66 is pulled to move downwards again to abut against the rubber pad 78, and positioning the steel pipe after the position adjustment.

The implementation principle of the welding equipment for the automobile steel pipe provided by the embodiment of the invention is as follows: firstly, a welded steel pipe is placed on a supporting seat 59, two shielding plates 62 shield the steel pipe on the supporting seat 59, then a motor 47 is started to drive a lifting frame 5 to move up and down on a rotating second screw 48, a turnover plate 6 is driven to move down integrally, when the lifting frame 5 drives a second inserting rod 57 to slide to a position close to the lower end in a second guiding groove 58, the pushing of the second inserting rod 57 by the groove wall of the second guiding groove 58 pushes a second sliding block 56 to slide in a second sliding groove 55, a driving bar 53 is driven to move through a connecting rod 54, a turnover rod 7 is driven to rotate through a second gear 49, the turnover plate 6 is driven to rotate down to a vertical downward state, then the lifting frame 5 continues to move down, the two shielding plates 62 and the lifting block 61 are pushed to move up and down integrally on the supporting seat 59 through a first clamping block 9 and a second clamping block 16 to squeeze a third spring 64 to compress, so that the first clamping block 9 and the second clamping block 16 move downwards to the position close to the lower side of the side surface of the steel pipe, the first inserting rod 33 is driven to slide to the bottom end position in the first guiding groove 34, the first sliding block 32 and the first inserting rod 33 are pulled by the first spring 36 to integrally slide and reset in the first sliding groove 31, then the second screw 48 is driven by the motor 47 to reversely rotate, the lifting frame 5 moves upwards, the first inserting rod 33 and the first sliding block 32 can be pulled to slide in the first sliding groove 31 by the guiding action of the first inserting rod 33 under the lower inclined surface of the first guiding groove 34, the driving frame 20 is pulled to move on the turnover plate 6 by the connecting strip 26, the first screw 18 is driven to rotate by the first gear 21, the screw 17 is pulled to slide in the Z-shaped groove 12 of the driving block 11 on the first screw 18 by the penetrating rod 13 on the moving block 14, the second clamping block 16 is driven to move towards the direction close to the first clamping block 9, the steel pipe on the supporting seat 59 can be smoothly clamped and fixed, the turnover plate 6 rotates to a vertical upward state along with the continuous upward movement of the lifting frame 5, the hydraulic cylinder 2 is started to adjust the height of the steel pipe, the welding work of the steel pipe can be performed, the operation is more labor-saving and convenient, and the working efficiency is improved.

The above embodiments are not intended to limit the scope of the present invention, so: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.

Claims

1. Welding equipment of car steel pipe, including bottom plate (1), lifter plate (3) and roof (4), its characterized in that: the lifting device is characterized in that a lifting plate (3) is arranged right above the bottom plate (1), hydraulic cylinders (2) are arranged at two sides of the upper surface of the bottom plate (1), the output ends of the hydraulic cylinders (2) are connected to the lifting plate (3), a top plate (4) is arranged above the lifting plate (3) through a rotating structure, a lifting frame (5) is arranged on the top plate (4) through an adjusting structure, a turning rod (7) is arranged on the lifting frame (5) through a turning structure, a turning plate (6) is sleeved on the turning rod (7), clamping structures are arranged at two ends of the turning plate (6), the clamping structures comprise U-shaped plates (8) connected to two ends of the turning plate (6), first clamping blocks (9) are arranged on the lower inner wall of each U-shaped plate (8), first openings (10) are formed in the upper positions of the side surfaces of the U-shaped plates (8), driving blocks (11) penetrate through the first openings (10), driving blocks (11) extend into the U-shaped plates (8) to be arranged at two ends of the turning plate (6), guide grooves (15) are formed in the second clamping blocks (16), guide grooves (15) are formed in the guide grooves (15), the utility model discloses a pair of arc-shaped pull rod (24) of the utility model, including moving block (14) and fixed block (19), be connected with through rod (13) on moving block (14), through rod (13) pass Z-shaped groove (12), the position department that is in on turnover rod (7) on turnover plate (6) passes has drive frame (20), be connected with fixed block (19) near intermediate position department above turnover plate (6), the rotation is passed on fixed block (19) has first screw rod (18), first screw rod (18) are in the one end department cover that drives frame (20) has first gear (21), be provided with on drive frame (20) with the tooth that first gear (21) meshing is connected, the cover has screwed pipe (17) on the other end of first screw rod (18), the one end of screwed pipe (17) is connected on moving block (14), the intermediate position department that is connected with pull rod (22) on turnover rod (7) is in the position department activity of pull rod (22) is equipped with pulling dish (24), set up on pulling dish (24) and supply pull rod (22) to the one end (24) is connected with arc-shaped plate (24) and is in the arc-shaped groove (26) is connected with both sides (24), one end of L shaped plate (27) is connected on roof (4), L shaped plate (27) sets up on adjusting structure, the top of L shaped plate (27) is connected with extension board (28), the side department of extension board (28) is connected with curb plate (29), the cover has first lift cover (30) on curb plate (29), first spout (31) have been seted up on first lift cover (30), the slip is provided with first slider (32) in first spout (31), pass on first slider (32) have first inserted bar (33), set up first guide slot (34) on curb plate (29), the upper and lower both sides inner wall of first guide slot (34) all is the inclined plane, the one end slip setting of first inserted bar (33) is in first guide slot (34), be connected with first telescopic link (35) between the cell wall of first slider (32) and first spout (31), the cover has first spring (36) on first slider (35), first spring (36) have the junction on first slider (33) and first one end (33) are connected with one end (37) on first slider (8), the utility model discloses a lifting slide block (55) of a lifting slide device, which comprises a lifting slide block (55), a lifting slide groove (55) and a lifting slide groove (55), wherein a pushing block (39) is sleeved on the bottom end of a loosening rod (37), the pushing block (39) is tightly attached to a second clamping block (16), a rotary table (38) is sleeved on the top end of the loosening rod (37) penetrating out of a U-shaped plate (8), two second telescopic rods (40) are connected between the second clamping block (16) and a driving block (11), second springs (41) are sleeved on the second telescopic rods (40), two ends of the second springs (41) are respectively connected to the second clamping block (16) and the driving block (11), the loosening rod (37) with threads penetrates through screw holes formed in the driving block (11), a turnover structure comprises a second gear (49) sleeved at two ends of the turnover rod (7), a movable sleeve (50) is movably sleeved at the position, close to the second gear (49), a connecting plate (51) is connected to the movable sleeve (50), one end of the connecting plate (51) is connected to the second telescopic rod, a lifting slide groove (52) is sleeved on the second sliding slide groove (55), a second sliding slide groove (52) is sleeved on the second sliding slide block (55), the L-shaped plate (27) is provided with a second guide groove (58) for sliding one end of a second inserted link (57), a connecting rod (54) is connected to the lower surface of the second sliding block (56), a driving bar (53) is connected to one end of the connecting rod (54) extending to the position above the second gear (49), and teeth meshed with the second gear (49) are arranged below the driving bar (53).

2. A welding apparatus for automotive steel pipes as set forth in claim 1, wherein: the utility model provides an adjusting structure, including setting up adjusting frame (42) above roof (4), it has third screw rod (43) to rotate on adjusting frame (42), all cover has rotating block (44) on the both ends of adjusting frame (42) are worn out to third screw rod (43), inject adjusting plate (45) in adjusting frame (42), offer the screw that supplies third screw rod (43) to pass on adjusting plate (45), the one end of L shaped plate (27) is connected on adjusting plate (45), support (46) are installed to the top department of adjusting plate (45), motor (47) are installed to the lower inner wall middle part of support (46), the output of motor (47) is connected with second screw rod (48), screw hole on lifting frame (5) is seted up in second screw rod (48) top rotation connection in the last inner wall department of support (46).

3. A welding apparatus for automotive steel pipes as set forth in claim 1, wherein: the supporting seat (59) is installed near the front side edge on the bottom plate (1), a through groove (60) is formed in the middle of the supporting seat (59), a lifting block (61) is penetrated in the through groove (60), a third telescopic rod (63) is connected between the lifting block (61) and the lower groove wall of the through groove (60), a third spring (64) is sleeved on the third telescopic rod (63), two ends of the third spring (64) are respectively connected to the lifting block (61) and the lower groove wall of the through groove (60), and two ends of the lifting block (61) are respectively connected with a blocking plate (62) extending out of the supporting seat (59).

4. A welding apparatus for automotive steel pipes as set forth in claim 1, wherein: the rotary structure comprises a rotary cylinder (65) connected to the middle part of the upper surface of a lifting plate (3), the top end of the rotary cylinder (65) is connected to a top plate (4), the top end of the rotary cylinder (65) is connected with a handle (67), a tight cylinder (66) is arranged at the outer side of the rotary cylinder (65), a fourth telescopic rod (68) is arranged at the middle part of the lower inner wall of the rotary cylinder (65), the top end of the fourth telescopic rod (68) is connected with a top block (70), a fourth spring (69) is sleeved on the fourth telescopic rod (68), the two ends of the fourth spring (69) are respectively connected to the top block (70) and the lower inner wall of the rotary cylinder (65), the top block (70) is connected with the tight cylinder (66) through a connecting handle (71), a second opening (72) for the connecting handle (71) to pass through is formed in the rotary cylinder (65), a third opening (73) is formed in the inner wall of the rotary cylinder (65), a fourth spring (69) is sleeved on the top end of the fourth telescopic rod (68), two ends of the fourth spring (69) are respectively connected to the handle (76) through the fifth opening (73) and the fifth spring (75), the both ends of fifth spring (77) are connected respectively on rotatory section of thick bamboo (65) and holding rod (75), the position department that is close to fifth telescopic link (76) above holding rod (75) is provided with the arch face, the bottom department that is in tight section of thick bamboo (66) is supported above lifter plate (3) is provided with rubber pad (78).