CN113634978B

CN113634978B - Clamping system for welding

Info

Publication number: CN113634978B
Application number: CN202111189735.XA
Authority: CN
Inventors: 陈鑫钰; 陈云峰; 单正洋
Original assignee: Nantong Xinhua Steel Structure Engineering Co ltd
Current assignee: Nantong Xinhua Steel Structure Engineering Co ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2021-12-17
Anticipated expiration: 2041-10-12
Also published as: CN113634978A

Abstract

The invention relates to a clamping system for welding, comprising: the clamping device comprises an operating table, a base, a rotating motor, a supporting arm and a clamping part, wherein the base is fixed on one side of the operating table, the rotating motor is fixed at one end of the base, the supporting arm is rotatably arranged on one side of the rotating motor, the clamping part is arranged at the end part of the supporting arm, and an adjusting component is arranged on the clamping part; wherein adjusting the adjustment assembly can accommodate workpieces of different sizes and different profiles. The adjusting component is arranged on the clamping part, so that the adjusting component can be attached to the outer wall of the workpiece when the adjusting component is adjusted, and the applicability of the invention is greatly improved.

Description

Clamping system for welding

Technical Field

The invention relates to the technical field of welding fixtures, in particular to a clamping system for welding.

Background

Application No.: CN201720794602.8, publication (bulletin) No.: CN206899261U, machinery tong device, this utility model discloses a machinery tong device, including two at least machinery tongs, each machinery tong includes fixed knot structure, grab and hold the piece, connecting rod and elastic component, fixed knot constructs and is fixed in a drive arrangement, the connecting rod both ends rotate respectively to be connected in fixed knot structure and grab and hold the piece, the elastic component both ends are contradicted in connecting rod and fixed knot structure, drive arrangement drives the relative work piece removal of fixed knot structure, at least two grab hold a piece centre gripping work piece, the connecting rod and grab and hold the piece and rotate for fixed knot structure and make work piece relatively fixed knot construct and rise. The connecting rod and the grasping piece rotate relative to the fixed structure to enable the workpiece to rise, the workpiece can be lifted and carried stably when being clamped, the inclination and the vibration caused by unbalanced stress are avoided, the positioning precision and the production efficiency are improved, and the problems that the positioning precision is poor, the production efficiency is low, parts are easy to wear, the maintenance is frequent and the like caused by the inclination and the vibration caused by unbalanced stress of the existing mechanical clamping hand are solved.

In the prior art, the stability of the mechanical gripper is improved by directly arranging the fixing structure and the gripping part on the mechanical gripper, but the workpiece has different sizes and different shapes, so that the requirement for clamping the workpiece is higher, and the mechanical gripper in the prior art cannot adapt to workpieces with different shapes and sizes, so that the development of a workpiece gripper for welding with better adaptability is necessary.

Disclosure of Invention

The invention aims to provide a clamping system for welding to solve the technical problem of poor clamping stability of a clamping hand caused by insufficient adaptability of a mechanical clamping hand in the prior art.

In order to solve the above-mentioned technical problem, the present invention provides a clamping system for welding, comprising:

the clamping device comprises an operating table, a base, a rotating motor, a supporting arm and a clamping part, wherein the base is fixed on one side of the operating table, the rotating motor is fixed at one end of the base, the supporting arm is rotatably arranged on one side of the rotating motor, the clamping part is arranged at the end part of the supporting arm, and an adjusting component is arranged on the clamping part; wherein

The adjusting assembly can be adjusted to adapt to workpieces with different sizes and different shapes;

the operation panel is last still to be provided with: a workbench, a pushing cylinder, a clamping part and a plurality of water injection pipes,

the pushing cylinder is fixed above the workbench through two fixing columns;

the clamping part is arranged at the end part of a piston rod of the pushing cylinder; the water injection pipe is arranged at the lower end of the clamping part; wherein

After the lower end of the water injection pipe is inserted into the upper shell of the steel structure, the pushing cylinder can push the upper shell of the steel structure to slide downwards, and the water injection pipe synchronously injects cooling water into the upper shell of the steel structure;

and when the steel structure upper shell is continuously pushed to abut against the steel structure lower shell, the clamping part abuts against the steel structure upper shell so that the water injection pipe is separated from the clamping part.

Preferably, the clamping portion includes: the clamping device comprises a supporting plate, a clamping cylinder and two positioning plates, wherein the supporting plate is fixed at the end part of the supporting arm, the clamping cylinder is arranged on the supporting plate in a sliding manner, the two positioning plates are arranged at two ends of the clamping cylinder in a mirror image manner, and the two positioning plates are linked with the clamping cylinder; wherein

The clamping cylinder can drive the two positioning plates to face or separate from each other so as to clamp a workpiece.

Preferably, the adjustment assembly comprises: the clamping plates are fixed on the side walls of the positioning plates and are arranged in opposite directions;

every two interlock piece slidable respectively sets up be in the grip block inside wall adjusts two the interval of interlock piece can be suitable for not unidimensional work piece.

Preferably, the side wall of the bite block is provided with a curved groove which can abut against the outer wall of the workpiece when the workpiece is clamped by the bite block.

Preferably, the inner wall of the radian groove is provided with a plurality of meshing teeth, the meshing teeth are arranged at equal intervals, and the meshing teeth are in an arc shape and are attached to the outer wall of the workpiece.

Preferably, the side wall of the supporting plate is provided with a sliding groove, and one side of the clamping cylinder is provided with a fixed block matched with the sliding groove; wherein

When the clamping device works, the clamping cylinder drives the two positioning plates to slide in the opposite direction or in the opposite direction along the sliding groove.

Preferably, a supporting motor is arranged at the upper end of the supporting arm, one end of the supporting motor is fixed on the supporting arm, a grabbing arm is fixed at the end part of a rotating shaft of the supporting motor, and the supporting plate is fixed at the end part of the grabbing arm, wherein the supporting plate is fixed at the upper end of the grabbing arm

The supporting motor can drive the supporting plate to rotate axially so that the two clamping plates are attached to the outer wall of the workpiece.

Preferably, the clamping portion includes: the clamping device comprises a first fixing plate, a second fixing plate, two supporting columns and a plurality of clamping components, wherein the first fixing plate and the second fixing plate are parallel to each other, and two ends of the first fixing plate and two ends of the second fixing plate are respectively sleeved on the outer walls of the two fixing columns in a sliding manner;

two ends of the two supporting columns are respectively and vertically fixed on the side walls of the first fixing plate and the second fixing plate;

the first fixing plate is fixed at the end part of the piston rod of the pushing cylinder, and the second fixing plate is arranged below the first fixing plate;

a plurality of clamping components are respectively arranged on the second fixing plate, one water injection pipe is correspondingly arranged at the lower end of one clamping component, wherein

And inserting the lower end of the water injection pipe into the upper shell of the steel structure, and inserting the upper end of the water injection pipe into the clamping assembly so as to suspend the upper shell of the steel structure.

Preferably, the clamping assembly comprises: the positioning column is fixed on the second fixing plate, a placing groove is annularly formed in the lower end of the positioning column, and the plurality of compression spring pieces are annularly arranged in the placing groove;

the locking column is slidably arranged in the placing groove, and the upper end wall of the locking column is abutted to the compression elastic sheet; wherein

Pressing the locking column to enable the water injection pipe to be inserted into and locked on the inner wall of the compression elastic sheet;

and pressing the locking column again to separate the water injection pipe from the inner wall of the locking column.

The beneficial effect of the invention is that, the clamping system for welding of the invention comprises: the clamping device comprises an operating table, a base, a rotating motor, a supporting arm and a clamping part, wherein the base is fixed on one side of the operating table, the rotating motor is fixed at one end of the base, the supporting arm is rotatably arranged on one side of the rotating motor, the clamping part is arranged at the end part of the supporting arm, and an adjusting component is arranged on the clamping part; wherein adjusting the adjustment assembly can accommodate workpieces of different sizes and different profiles. The adjusting component is arranged on the clamping part, so that the adjusting component can be attached to the outer wall of the workpiece when the adjusting component is adjusted, and the applicability of the invention is greatly improved. And the adjusting assembly can be adjusted to adapt to workpieces with different sizes and shapes, so that the clamping stability of the workpiece clamping hand is greatly improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic diagram of a welding clamping system of the present invention;

FIG. 2 is a perspective view of the clamping portion of the present invention;

FIG. 3 is a schematic view of the state of the clamping portion of the present invention;

FIG. 4 is a schematic diagram of a welding clamping system of the present invention;

FIG. 5 is a first angular schematic view of the weld of the present invention;

FIG. 6 is a second angular schematic view of the weld of the present invention;

FIG. 7 is a schematic diagram of a preferred embodiment of a clamping system for welding in accordance with the present invention;

FIG. 8 is a schematic view of the water injection pipe and the steel structure upper shell of the present invention in a first state;

FIG. 9 is a schematic view of the water injection pipe and the steel structure upper shell of the present invention in a second state;

FIG. 10 is a perspective view of the clamping assembly of the present invention;

FIG. 11 is a cross-sectional view of the clamping assembly of the present invention in a first state;

FIG. 12 is a cross-sectional view of a second state of the clamping assembly of the present invention;

FIG. 13 is a top view of the stopper and fill hole of the present invention;

FIG. 14 is a schematic view of the state of the stopper and the water injection hole of the present invention.

In the figure:

1. a work table; 11. a steel structure upper shell; 12. a steel structure lower shell; 110. a water injection hole; 13. a fixed table;

2. a pushing cylinder; 20. fixing a column; 3. a clamping portion; 30. a water injection pipe; 301. a limiting block; 31. a first fixing plate; 32. a second fixing plate; 33. a support pillar; 34. a clamping assembly; 341. a positioning column; 3410. a placement groove; 3411. a fixing ring; 342. a locking post; 3421. locking a ring; 3422. chamfering; 343. compressing the elastic sheet; 3431. an inclined plate; 344. connecting holes;

4. welding the part; 41. a support block; 42. a fixed block; 421. a first sliding groove; 422. an arc-shaped slot; 43. a first slider; 44. a welding gun; 45. a bearing block; 451. a second sliding groove; 46. A second slider; 47. an adjustment column; 48. a locking structure; 481. a first rotating wheel; 482. a first threaded post; 483. a second rotating wheel; 484. a second threaded post;

5. an operation table; 51. a base; 52. rotating the motor; 53. a support arm; 531. a support motor; 532. a gripper arm;

6. a clamping portion; 61. a support plate; 62. a clamping cylinder; 63. positioning a plate; 64. an adjustment assembly; 641. a clamping plate; 642. an occluding block; 643. a radian groove; 644. engaging teeth; 645. a sliding groove; 646. and (5) fixing blocks.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1 to 14, the present invention provides a clamping system for welding, comprising: operation panel, base, rotation motor, support arm and clamping part. Wherein the console 5 is adapted to support a base 51; the base 51 is adapted to support and mount the support arm 53; the rotation motor 52 is adapted to drive the support arm 53 in rotation; the supporting arm 53 is suitable for supporting the clamping part 6 and driving the clamping part 6 to rotate; the gripping portion 6 is adapted to grip workpieces of different sizes and different shapes. With respect to the above components, detailed description is given below.

Operation table

The operation table 5 is placed on a horizontal plane, an upper end surface of the operation table 5 is parallel to the horizontal plane, the operation table 5 is adapted to support the base 51, and the operation table 5 can be used as a mounting base for the above components.

Base seat

The base 51 is arranged on one side of the operating platform 5, the lower end face of the base 51 is fixedly connected with the operating platform 5, the upper end face of the base 51 is flat, and the upper end face of the base 51 is suitable for installing the supporting arm 53.

Rotating electric machine

The rotating motor 52 is fixed at one end of the base 51, and the rotating motor 52 can drive the supporting arm 53 to rotate along the upper end face of the base 51 when in operation.

Support arm

Support arm 53 is the strip, and support arm 53 both ends lateral wall is semicircle form, and support arm 53 is rotatable to be set up in rotating motor 52 one side, and support arm 53 laminates with base 51 fixed one end lateral wall and base 51, and support arm 53 can realize pivoted effect through semicircle lateral wall and base 51 up end relative slip. The end of the supporting arm 53 far from the base 51 is provided with a supporting motor 531, one end of the supporting motor 531 is fixed on the supporting arm 53, the supporting motor 531 can rotate relative to the supporting arm 53, a grabbing arm 532 is fixed at the end of the rotating shaft of the supporting motor 531, and the grabbing arm 532 can be fixedly connected with the clamping part 6.

Clamping part

The clamping part 6 is arranged at the end part of the supporting arm 53, and the clamping part 6 can hold workpieces with different sizes and different shapes, and is driven by the rotating motor 52 and the supporting motor 531 to enable the clamping part 6 to clamp the workpieces to move to a specified working position after rotating around the base 51 in a series of rotation.

The structure of the holding portion 6 will be described in detail below, and the holding portion 6 includes: a support plate 61, a clamping cylinder 62 and two positioning plates 63. The supporting plate 61 is fixed at the end of the grabbing arm 532, each part of the clamping part 6 is fixed on the grabbing arm 532 through the supporting plate 61, and when the rotating motor 52 and the supporting motor 531 work, the supporting plate 61 can support the clamping cylinder 62 and the two positioning plates 63 to rotate along with the grabbing arm 532. The clamping cylinder 62 shell is square, the clamping cylinder 62 is slidably arranged on the supporting plate 61, two piston rods are arranged on two sides of the clamping cylinder 62, and the two piston rods can synchronously slide inwards or outwards. Two locating plates 63 are arranged at two ends of the clamping cylinder 62 in a mirror image mode, the two locating plates 63 are fixedly connected with the piston rod on one side respectively, so that the two locating plates 63 can be linked with the clamping cylinder 62, and when the clamping cylinder 62 works, the piston rods on two sides of the clamping cylinder 62 can drive the two locating plates 63 to face or separate from each other so as to clamp a workpiece.

In order to enable the clamping part 6 to clamp workpieces with different shapes and sizes, an adjusting component 64 is arranged on the clamping part 6, and the adjusting component 64 can adjust the position of the clamping part 6 for clamping the workpieces, so that the clamping part 6 can be adapted to the workpieces with different sizes and different shapes. The adjustment assembly 64 includes: two clamping plates 641 and a plurality of snap blocks 642. The clamping plates 641 are fixed on the sidewalls of the positioning plate 63, and the two clamping plates 641 are disposed opposite to each other. Every two occlusion blocks 642 are slidably disposed on the inner sidewall of the clamping plate 641, and the distance between the two occlusion blocks 642 can be adjusted to adapt to workpieces with different sizes. When clamping a workpiece, the support motor 531 can drive the support plate 61 to rotate axially to make the two clamping plates 641 fit the outer wall of the workpiece, and adjust the position of each engaging block 642, so that the engaging block 642 moves to fit the outer wall of the workpiece, and the support motor 531 continues to drive the two clamping plates 641 to slide relatively to clamp the workpiece.

In order to facilitate the clamping plate 641 to adapt to a workpiece with an arc-shaped outer surface, the side wall of the engaging block 642 is provided with an arc-shaped groove 643, if the workpiece is an arc-shaped workpiece, the relative position of the engaging block 642 and the workpiece is adjusted until the arc-shaped surface of the workpiece is opposite to the arc-shaped groove 643, and when the workpiece is clamped by the engaging block 642, the arc-shaped groove 643 can be abutted against the outer wall of the workpiece.

In order to facilitate the clamping plate 641 to adapt to a workpiece with an uneven outer surface, a plurality of meshing teeth 644 are arranged on the inner wall of the arc groove 643, the meshing teeth 644 are arranged at equal intervals, and the meshing teeth 644 are attached to the outer wall of the workpiece in an arc shape. If the workpiece is a rough workpiece, the relative positions of the engagement block 642 and the workpiece are adjusted until the rough surface of the workpiece is opposite to the arc groove 643, and when the workpiece is clamped by the engagement block 642, a plurality of engagement teeth 644 in the arc groove 643 can be abutted against the rough surface of the workpiece.

In order to adjust the opening and closing size of the clamping plate 641, so as to adapt to workpieces with different sizes, the side wall of the supporting plate 61 is provided with a sliding groove 645, and one side of the clamping cylinder 62 is provided with a fixing block 646 matched with the sliding groove 645. When the clamping cylinder 62 works, the clamping cylinder 62 drives the two positioning plates 63 to slide in the opposite direction or in the opposite direction through the two piston rods along the sliding grooves 645, and the clamping plate 641 is opened and closed under the driving of the positioning rods, so that workpieces with different sizes can be clamped.

It should be noted that, in the clamping system for welding of the present embodiment, after the workpiece is clamped and placed at the processing position by the clamping portion 6, the workpiece needs to be welded and fixed by the welding component. For convenience of description, the preferred workpieces to be welded in this embodiment are a steel structure upper shell 11 and a steel structure lower shell 12, and the clamping portion 6 is adapted to clamp the steel structure lower shell 12 and place the same at the machining position.

In order to solve the above problems, the present apparatus provides a welded component including: a worktable 1, a fixed table 13 and two welding parts 4, wherein the worktable 1 is suitable for supporting the above parts; the fixed table 13 is arranged in the middle of the upper end face of the workbench 1; the welding portions 4 are provided on both sides of the fixed table 13. With respect to the above components, detailed description is given below.

Working table

The workbench 11 is arranged on the operating platform 5, the upper end face of the workbench 11 is flat and parallel to the upper end face of the operating platform 5, the workbench 11 can be used as a mounting base for the fixed platform 13 and the two welding parts 4, the upper end face of the workbench 11 is suitable for mounting the fixed platform 13, and the workbench 11 can keep fixed in position in the working process. The steel structure lower shell 12 is suitable to be placed above the workbench 11.

Fixing table

The fixed station 13 is arranged in the middle of the upper end face of the workbench 1, the upper end face of the fixed station 13 is parallel to the upper end face of the workbench 1, the steel structure lower shell 12 is arranged on the upper end face of the fixed station 13, and the fixed station 13 is suitable for fixing the steel structure lower shell 12.

Weld part

The welding part 4 is fixed on the workbench 1, the two welding parts 4 are respectively arranged on one side of the fixed table 13, the welding parts 4 are arranged on two sides of the fixed table 13 in a mirror image mode, the two welding parts 4 face the steel structure lower shell 12, and the welding parts 4 can be synchronously welded on the steel structure lower shell 12 from two sides. Set up on every welding part 4 and be provided with a locking structure 48 respectively, locking structure 48 can be with welding part 4 locking for welding part 4 can't the level or vertical direction removes, thereby improves welded accuracy and stability. After the steel structure lower shell 12 is fixed on the fixing table 13, the locking structure 48 is adjusted to enable the welding part 4 to perform welding operation on the steel structure lower shell 12.

The structure of the welded portion 4 will be described specifically below, and the welded portion 4 includes: a supporting block 41, a fixed block 42, a first slider 43 and a welding gun 44. The cross section of the supporting block 41 is I-shaped, the bearing capacity of the supporting block 41 can be improved through the structure, and the lower end face of the supporting block 41 can be fixed on the workbench 1 through a plurality of bolts. The fixing block 42 is vertically fixed on the supporting block 41, the fixing block 42 is L-shaped, the lower end face of the fixing block 42 is fixed on the supporting block 41 through a bolt, and the other end is vertically arranged. The first slider 43 is provided on one side of the welding torch 44, and the first slider 43 can adjust the position of the welding torch 44 in the vertical direction. Specifically, a first sliding groove 421 matched with the first slider 43 is formed in the side wall of the fixed block 42, and the welding gun 44 can slide up and down along the first sliding groove 421.

In order to further expand the movable range of the welding portion 4 and enable the welding portion 4 to be capable of adjusting the position in the horizontal direction, the welding portion 4 further includes: a bearing block 45 and a second slide 46. The second slider 46 is fixed to the lower end of the outer wall of the welding gun 44, and one end of the second slider 46 away from the welding gun 44 is opened to both sides, so that the cross-sectional area of the second slider 46 is gradually increased in a direction away from the welding gun 44, and the second slider 46 extends along the length direction of the welding gun 44. The bearing block 45 is rotatably arranged on the side wall of the fixed block 42 through a pin shaft, and the upper end of the bearing block 45 is provided with a second sliding groove 451 matched with the second sliding block 46. In this way, after the welding torch 44 is inserted into the second sliding groove 451 through the second slider 46, the welding torch 44 cannot be separated from the second sliding groove 451 from above, but can enter or separate through the opening direction of the second sliding groove 451, so that the second slider 46 can adjust the position of the welding torch 44 in the horizontal direction.

In order to adjust the angle of the welding gun 44, the welding part 4 further comprises an adjusting column 47, and one end of the adjusting column 47 is fixed at one end of the supporting block 45 away from the pin shaft; an arc-shaped groove 422 is formed in the fixed block 42, and the adjusting column 47 penetrates through the arc-shaped groove 422; wherein the adjusting and adjusting column 47 can adjust the welding angle of the welding gun 44 and the steel structure lower shell 12.

The structure of the locking structure 48 is described in detail below, and the locking structure 48 includes: a first rotation wheel 481 and a first threaded post 482. First rotation wheel 481 is fixed at the end of first screw thread post 482, and first screw hole has been seted up to the lateral wall of fixed block 42, and first screw hole communicates with first sliding tray 421, and first rotation wheel 481 is discoid, and first screw thread post 482 sets up in first screw hole, and first screw thread post 482 can offset with first slider 43. The first rotating wheel 481 is rotated to drive the first thread column 482 to be close to or far away from the first slider 43, when the first thread column 482 abuts against the first slider 43 from the side wall, the first rotating wheel 481 is continuously screwed to drive the first thread column 482 to lock the first slider 43, so that one side of the first slider 43 abuts against the side wall of the first sliding groove 421, and the other side of the first slider abuts against the first thread column 482, so that the first slider 43 is limited to slide in the vertical direction, and the welding gun 44 is further limited to slide in the vertical direction.

Similarly, to limit the horizontal sliding of the welding gun 44, the locking structure 48 further includes: second rotates wheel 483 and second screw thread post 484, and second rotates wheel 483 and fixes the tip at second screw thread post 484, and the second screw hole has been seted up to the lateral wall of bearing piece 45, and second screw hole and second sliding tray 451 intercommunication, second rotate wheel 483 and be discoid, and second screw thread post 484 sets up in the second screw hole, and second screw thread post 484 can offset with second slider 46. The second rotating wheel 483 is rotated to drive the second threaded post 484 to move closer to or away from the second slider 46, and when the second threaded post 484 abuts against the second slider 46 from the side wall, the second rotating wheel 483 is continuously screwed to drive the second threaded post 484 to lock the second slider 46, so that the two sides of the second slider 46 abut against the side wall of the second sliding groove 451, and the other side abuts against the second threaded post 484, thereby limiting the vertical sliding of the second slider 46 and further limiting the vertical sliding of the welding gun 44.

It should be noted that, after the fixing of the clamping system for welding shown in this embodiment is completed, the steel structure upper shell 11 is placed above the steel structure lower shell 12, and cooling water is injected into the steel structure upper shell 11 to cool the steel structure upper shell 11 during welding, so as to prevent the deformation of the steel structure upper shell 11 due to local overheating.

In order to solve the above problem, the present device also provides a jig member including: a pushing cylinder 2, a clamping part 3 and a plurality of water injection pipes 30. The pushing cylinder 2 is suitable for pushing the clamping part 3 to move along the direction vertical to the upper end surface of the workbench 1; the clamping part 3 is suitable for clamping the water injection pipe 30 and moving along with the pushing cylinder 2; the water filling pipe 30 is adapted to move up and down by the clamping part 3. With respect to the above components, detailed description is given below.

Top pushing cylinder

The pushing cylinder 2 is arranged above the upper end surface of the workbench 1, and the pushing cylinder 2 is fixed above the workbench 1 through two fixing columns 20. The steel structure lower shell 12 is fixed on the workbench 1. The shell 11 is arranged right above the shell 12 under the steel structure on the steel structure, the pushing cylinder 2 is arranged above the workbench 1, and the shell 11 can be placed on the shell 12 under the steel structure through the pushing cylinder 2 on the steel structure. The piston rod of the pushing cylinder 2 is arranged towards the steel structure lower shell 12, and when the pushing cylinder 2 works, the steel structure upper shell 11 can move downwards under the pushing of the pushing cylinder 2 until the pushing cylinder is attached to the steel structure lower shell 12. At this time, the welding portion 4 is operated to weld the steel structure upper shell 11 and the steel structure lower shell 12 together. The lower end of the pushing cylinder 2 is provided with a clamping part 3, and the clamping part 3 can fixedly connect the upper shell 11 of the steel structure with the lower end of the piston rod of the pushing cylinder 2.

Water injection pipe

The water injection pipe 30 has a plurality of, and the water injection pipe 30 sets up at 3 lower extremes of clamping part, and the inside cavity of water injection pipe 30 is suitable for the circulation cooling water in the water injection pipe 30, and water injection pipe 30 one end can be with 3 fixed connection of clamping part, and the other end can insert casing 11 on the steel construction. After the water injection pipe 30 is inserted into the steel structure upper shell 11, a cooling liquid can be introduced into the steel structure upper shell 11 to cool the 4-position welding part when the steel structure upper shell 11 and the steel structure lower shell 12 are welded.

Clamping part

The clamping part 3 is arranged at the end part of the piston rod of the pushing cylinder 2, one end of the clamping part 3 is fixedly connected with the piston rod part of the pushing cylinder 2, and the other end can be sleeved on the outer wall of the water injection pipe 30 and is fixedly connected with the water injection pipe 30. After the water injection pipe 30 is inserted into the clamping part 3, the pushing cylinder 2 pushes the clamping part 3 to slide up and down, the water injection pipe 30 can synchronously slide up and down along with the clamping part 3, and after the water injection pipe 30 is inserted downwards into the steel structure upper shell 11, the water injection pipe 30 synchronously injects cooling water into the steel structure upper shell 11; when the steel structure upper shell 11 is pushed to abut against the steel structure lower shell 12, the clamping portion 3 abuts against the steel structure upper shell 11, so that the water injection pipe 30 is separated from the clamping portion 3.

The structure of the clamping portion 3 will be described in detail below, and the clamping portion 3 includes: a first fixing plate 31, a second fixing plate 32, two supporting columns 33 and a plurality of clamping components 34. The first fixing plate 31 and the second fixing plate 32 are parallel to each other, two ends of the first fixing plate 31 and the second fixing plate 32 are slidably sleeved on outer walls of the two fixing columns 20 respectively, a gap is formed between the first fixing plate 31 and the second fixing plate 32, two supporting columns 33 are arranged in the gap between the first fixing plate 31 and the second fixing plate 32, the first fixing plate 31 is fixed at the end part of the piston rod of the pushing cylinder 2, and the second fixing plate 32 is arranged below the first fixing plate 31. The end of the piston rod of the pushing cylinder 2 is fixed on the first fixing plate 31, and the first fixing plate 31 can slide up and down along the fixing column 20 along with the up-and-down sliding of the piston rod of the pushing cylinder 2. Two supporting columns 33 are arranged at two ends of the second fixing plate 32 in a mirror image manner, and two ends of the two supporting columns 33 are respectively and vertically fixed on the lower end surface of the first fixing plate 31 and the upper end surface of the second fixing plate 32; the second fixing plate 32 can expand the area of the lower end surface of the piston rod of the pushing cylinder 2 in the horizontal direction, so that the steel structure upper shell 11 is suitable for being mounted on the second fixing plate 32 through the clamping assembly 34 and synchronously slides up and down along with the pushing cylinder 2 through the second fixing plate 32. The plurality of clamping assemblies 34 are respectively arranged on the second fixing plate 32, the clamping assemblies 34 penetrate through the clamping assemblies 34 from the upper part of the second fixing plate 32 to the lower part of the second fixing plate 32, and one water injection pipe 30 is correspondingly arranged at the lower end of one clamping assembly 34. The lower end of the water injection pipe 30 is inserted into the steel structure upper shell 11, and the upper end is inserted into the clamping assembly 34, so that the steel structure upper shell 11 is suspended.

In order to enable the water injection pipe 30 to be inserted into the steel structure upper shell 11, the water injection pipe 30 can be tightly clamped into the steel structure upper shell 11, the water injection pipe 30 is prevented from sliding off the steel structure upper shell 11, the lower end of the water injection pipe 30 is provided with a limiting block 301, and the limiting block 301 is annularly sleeved on the outer wall of the water injection pipe 30. A plurality of water injection holes 110 have been seted up on the steel construction upper shell 11, and a water injection hole 110 corresponds a water injection pipe 30, and water injection hole 110 is oval, and the minor diameter of water injection hole 110 is greater than water injection pipe 30 external diameter and is less than stopper 301 external diameter, and the long limit diameter of water injection hole 110 is greater than water injection pipe 30 external diameter and stopper 301 external diameter. When the water injection pipe 30 is inserted into the steel structure upper shell 11, the water injection pipe 30 can be firstly arranged in an inclined manner, so that the side, which is inclined downwards, of the limiting block 301 firstly passes through the water injection hole 110 and enters the steel structure upper shell 11; the water injection pipe 30 is continuously pushed to the other side of the limiting block 301 to pass through the water injection hole 110 and slide into the steel structure upper shell 11; at the moment, the upper end surface of the limiting block 301 is abutted against the inner wall of the steel structure upper shell 11, the upper end of the water injection pipe 30 is inserted into the clamping assembly 34, and the lower end surface of the water injection pipe 30 is inserted into the steel structure 11, so that the steel structure upper shell 11 can be suspended by the water injection pipe 30; at this moment, the steel structure upper shell 11 can move up and down under the driving of the water injection pipe 30, and the cooling liquid can be injected into the steel structure upper shell 11 through the water injection pipe 30.

In order to enable the water injection pipe 30 to support the upper motor housing 11 to keep the horizontal position from swinging during the sliding process, the number of the water injection pipes 30 is preferably three in the present embodiment, the number of the water injection holes 110 corresponding to the water injection pipes 30 is also three, and the connecting lines of the horizontal projections of the three water injection pipes 30 are in the shape of an equilateral triangle.

The structure of the clamping assembly 34 is described in detail below, the clamping assembly 34 comprising: a positioning column 341, a locking column 342 and a plurality of compression springs 343. The positioning column 341 is fixed on the second fixing plate 32, a placing groove 3410 is annularly formed at the lower end of the positioning column 341, the placing groove 3410 is annularly formed, the placing groove 3410 is opened towards the inside of the positioning column 341, and the diameter of the positioning groove is larger than the diameter of the inner wall of the positioning column 341 and smaller than the diameter of the outer wall of the positioning column 341. A plurality of compression springs 343 are annularly disposed in the placement groove 3410. The locking column 342 is slidably disposed in the placement groove 3410, and an upper end wall of the locking column 342 abuts against the compression spring 343. The locking column 342 is pressed to insert and lock the water injection pipe 30 on the inner wall of the compression spring 343; the locking column 342 is pressed again to disengage the water injection pipe 30 from the inner wall of the locking column 342.

In order to prevent the locking post 342 from slipping out of the inner wall of the placement groove 3410, the outer wall of the upper end of the locking post 342 is provided with a locking ring 3421, the locking ring 3421 is fitted around the outer wall of the locking post 342, the outer diameter of the locking ring 3421 is smaller than the inner diameter of the placement groove 3410, a fixing ring 3411 is fixed to the inner wall of the placement groove 3410 by being protruded inward, the inner diameter of the fixing ring 3411 is larger than the outer diameter of the locking post 342, and the inner diameter of the fixing ring 3411 is smaller than the outer diameter of the locking ring 3421. When the locking post 342 slides downward under the elastic force of the compression spring 343, the locking ring 3421 abuts against the fixing ring 3411, and at this time, the locking ring 3421 can prevent the locking post 342 from sliding down from the placement groove 3410.

When the locking post 342 is pressed, the locking ring 3421 abuts against the inner wall of the inclined plate 3431 to outwardly expand the compression spring 343, so that the water injection pipe 30 is inserted into the inner wall of the positioning post 341, the compression spring 343 is made of elastic material, an inclined plate 3431 is fixed to the upper end of the compression spring 343, the inclined plate 3431 and the compression spring 343 are integrally formed, the inclined plate 3431 is bent toward the locking post 342, and the inclined plate 3431 protrudes out of the inner wall of the locking post 342. The upper end of the inclined plate 3431 abuts against the top wall of the placement groove 3410, and the inner diameter of the annular formation of the inclined plates 3431 is smaller than the outer diameter of the water injection pipe 30. If the locking column 342 is not pressed, the water filling pipe 30 cannot be clamped by the inclined plate 3431; when the locking column 342 is pressed, the inclined plates 3431 can be spread outward from the inside by the locking ring 3421 to insert the water injection pipe 30 into the positioning column 341, and after the locking column 342 is released to be reset, the inclined plates 3431 are reset inward to surround and clamp the outer wall of the water injection pipe 30 from the outside to fix the water injection pipe. Specifically, when the locking column 342 is pressed, the locking column 342 can slide upwards and push the compression spring plate 343 to deform and move towards the two sides of the placing groove 3410 by the locking ring 3421, and at this time, the water injection pipe 30 can pass through the placing groove 3410 and be clamped and fixed in the positioning column 341 by the inclined plate 3431; during work, the pushing cylinder 2 pushes the steel structure upper shell 11 to move downwards to abut against the steel structure lower shell 12, at the moment, the lower end face of the locking column 342 abuts against the steel structure upper shell 11, the locking column 342 is pushed upwards, so that the inclined plate 3431 is pushed to open outwards, and the water injection pipe 30 is separated from the positioning column 341; and at the moment, the pushing cylinder 2 compresses and fixes the steel structure upper shell 11 and the steel structure lower shell 12.

In order to enable the locking ring 3421 to reliably spread the inclined plates 3431, the upper end of the locking ring 3421 is provided with a chamfer 3422, and the angle of inclination of the chamfer 3422 coincides with the angle of inclination of the inclined plates 3431. When the locking ring 3421 is pushed upward, the chamfer 3422 is engaged with and pushes the inclined plate 3431 to open until the water injection pipe 30 is inserted.

In addition, in order to enable the cooling liquid to flow through the clamping assembly 34, the positioning column 341 and the locking column 342 are both hollow cylinders, and a connecting hole 344 is opened on a side wall of the positioning column 341, the connecting hole 344 is communicated with the inside of the positioning column 341, and the water injection pipe 30 should be inserted into the positioning column 341 at a position higher than the placing groove 3410 and not beyond the connecting hole 344, so that the cooling liquid can flow into the water injection pipe 30. While the second fixing plate 32 is internally provided with a drainage tube (not shown in the drawings) communicating with the connection hole 344. The second fixing plate 32 is externally connected to a cooling tank (not shown), and the cooling fluid in the cooling tank (not shown) is communicated with a drainage tube (not shown). In this embodiment, the cooling liquid flows into the connection hole 344 through a drainage tube (not shown), then flows into the positioning post 341 through the connection hole 344, then flows downward into the water injection tube 30 from the positioning post 341, and finally flows downward into the steel structure upper shell 11 through the water injection tube 30.

The device places the steel structure upper shell 11 on the steel structure lower shell 12 and carries out welding, namely, the lower side of the water injection pipe 30 is obliquely arranged, so that the limiting block 301 obliquely downwards penetrates through the water injection hole 110 to enter the steel structure upper shell 11, then the water injection pipe 30 is righted, and the upper end face of the limiting block 301 is abutted against the side wall of the water injection hole 110; the locking column 342 is pressed, and at this time, the locking column 342 pushes the inclined plate 3431 to open through the locking ring 3421, so that the water injection pipe 30 can be inserted into the positioning column 341 until reaching the position below the connection hole 344; the locking column 342 is loosened, at this time, the locking ring 3421 loosens the inclined plate 3431, the inclined plate 3431 is reset and clamps the water injection pipes 30 from the periphery, the water injection pipes 30 are prevented from slipping off, and the two ends of each water injection pipe 30 can be fixed by repeating the above steps; the piston rod of the pushing cylinder 2 slides downwards, the water injection pipe 30 synchronously injects cooling liquid into the steel structure upper shell 11, the clamping assembly 34 drives the steel structure upper shell 11 to be placed on the steel structure lower shell 12, and meanwhile, the injection of the cooling liquid into the steel structure upper shell 11 is completed; after the steel structure upper shell 11 abuts against the steel structure lower shell 12, the pushing cylinder 2 continues to push the steel structure upper shell 11 downward, the lower end wall of the locking column 342 abuts against the steel structure upper shell 11, the locking ring 3421 pushes up the inclined plate 3431 to open towards two sides, the water injection pipe 30 is separated from the clamping assembly 34, and the pushing cylinder 2 compresses the steel structure upper shell 11 and the steel structure lower shell 12.

In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A clamping system for welding, comprising:

the clamping device comprises an operating table (5), a base (51), a rotating motor (52), a supporting arm (53) and a clamping part (6), wherein the base (51) is fixed on one side of the operating table (5), the rotating motor (52) is fixed on one end of the base (51), the supporting arm (53) is rotatably arranged on one side of the rotating motor (52), the clamping part (6) is arranged on the end part of the supporting arm (53), and an adjusting component (64) is arranged on the clamping part (6); wherein

Adjusting the adjustment assembly (64) to accommodate workpieces of different sizes and different shapes;

the operating platform (5) is also provided with: a workbench (1), a pushing cylinder (2), a clamping part (3) and a plurality of water injection pipes (30),

the pushing cylinder (2) is fixed above the workbench (1) through two fixing columns (20);

the clamping part (3) is arranged at the end part of a piston rod of the pushing cylinder (2); the water injection pipe (30) is arranged at the lower end of the clamping part (3); wherein

After the lower end of the water injection pipe (30) is inserted into the steel structure upper shell (11), the pushing cylinder (2) can push the steel structure upper shell (11) to slide downwards, and the water injection pipe (30) synchronously injects cooling water into the steel structure upper shell (11);

and when the steel structure upper shell (11) is continuously pushed to abut against the steel structure lower shell (12), the clamping part (3) abuts against the steel structure upper shell (11) so that the water injection pipe (30) is separated from the clamping part (3).

2. A welding clamping system as defined in claim 1,

the clamping portion (6) includes: the supporting plate (61) is fixed at the end part of the supporting arm (53), the clamping cylinder (62) is arranged on the supporting plate (61) in a sliding mode, the two positioning plates (63) are arranged at two ends of the clamping cylinder (62) in a mirror image mode, and the two positioning plates (63) are linked with the clamping cylinder (62); wherein

The clamping cylinder (62) can drive the two positioning plates (63) to face or separate from each other so as to clamp a workpiece.

3. A welding clamping system as defined in claim 2,

the adjustment assembly (64) comprises: the clamping device comprises two clamping plates (641) and a plurality of clamping blocks (642), wherein the clamping plates (641) are fixed on the side walls of the positioning plate (63), and the two clamping plates (641) are arranged oppositely;

every two bite blocks (642) can be arranged on the inner side wall of the clamping plate (641) in a sliding mode, and the distance between the two bite blocks (642) can be adjusted to be suitable for workpieces with different sizes.

4. A welding clamping system as defined in claim 3,

the side wall of the clamping block (642) is provided with an arc groove (643), and when a workpiece is clamped by the clamping block (642), the arc groove (643) can abut against the outer wall of the workpiece.

5. A welding clamping system as defined in claim 4,

a plurality of meshing teeth (644) are arranged on the inner wall of the arc groove (643), the meshing teeth (644) are arranged at equal intervals, and the meshing teeth (644) are attached to the outer wall of the workpiece in an arc shape.

6. A welding clamping system as defined in claim 5,

a sliding groove (645) is formed in the side wall of the supporting plate (61), and a fixing block (646) matched with the sliding groove (645) is arranged on one side of the clamping cylinder (62); wherein

When the clamping device works, the clamping air cylinder (62) drives the two positioning plates (63) to slide towards or away from each other along the sliding groove (645).

7. A welding clamping system as defined in claim 6,

the upper end of support arm (53) is provided with a support motor (531), support motor (531) one end is fixed on support arm (53), the axis of rotation tip that supports motor (531) is fixed with one and snatchs arm (532), backup pad (61) are fixed snatch the tip of arm (532), wherein

The supporting motor (531) can drive the supporting plate (61) to rotate axially so that the two clamping plates (641) are attached to the outer wall of the workpiece.

8. A welding clamping system as defined in claim 7,

the clamping portion (3) includes: the clamping device comprises a first fixing plate (31), a second fixing plate (32), two supporting columns (33) and a plurality of clamping components (34), wherein the first fixing plate (31) and the second fixing plate (32) are parallel to each other, and two ends of the first fixing plate (31) and two ends of the second fixing plate (32) are respectively sleeved on the outer walls of the two fixing columns (20) in a sliding manner;

two ends of the two supporting columns (33) are respectively and vertically fixed on the side walls of the first fixing plate (31) and the second fixing plate (32);

the first fixing plate (31) is fixed at the end part of the piston rod of the pushing cylinder (2), and the second fixing plate (32) is arranged below the first fixing plate (31);

a plurality of the clamping components (34) are respectively arranged on the second fixing plate (32), one water injection pipe (30) is correspondingly arranged at the lower end of one clamping component (34), wherein

And inserting the lower end of the water injection pipe (30) into the steel structure upper shell (11), and inserting the upper end of the water injection pipe into the clamping assembly (34) so as to suspend the steel structure upper shell (11).

9. A welding clamping system as defined in claim 8,

the clamping assembly (34) comprises: the positioning device comprises a positioning column (341), a locking column (342) and a plurality of compression spring pieces (343), wherein the positioning column (341) is fixed on the second fixing plate (32), a placing groove (3410) is annularly formed at the lower end of the positioning column (341), and the compression spring pieces (343) are annularly arranged in the placing groove (3410);

the locking column (342) is slidably arranged in the placing groove (3410), and the upper end wall of the locking column (342) is abutted against the compression spring sheet (343); wherein

Pressing the locking column (342) to enable the water injection pipe (30) to be inserted into and locked on the inner wall of the compression spring plate (343);

and pressing the locking column (342) again to separate the water injection pipe (30) from the inner wall of the locking column (342).