CN114571071A

CN114571071A - Laser welding equipment

Info

Publication number: CN114571071A
Application number: CN202111584105.2A
Authority: CN
Inventors: 黄盛杰; 王海涛; 王蕴
Original assignee: Xuzhou Haitao Refrigeration Equipment Co ltd
Current assignee: Xuzhou Jiuli Electronic Technology Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-06-03
Anticipated expiration: 2041-12-22
Also published as: CN114571071B

Abstract

The invention discloses laser welding equipment, relates to the technical field of machining equipment, and solves the problems that the operation of a device is not flexible enough and the installation is difficult. The utility model provides a laser welding equipment, includes the lifting structure, the lifting structure has two, two fixed mounting has material bearing structure between the lifting structure, material bearing structure's lower extreme fixed mounting has and is located two auxiliary mounting structure who lifts between the structure, one of them the surface of lifting structure one side is provided with operating panel, two the equal swing joint in inside of lifting structure has combination fixed knot to construct, the lifting structure is including supporting base, slip shell, rolling gear, driving motor A, fore-set, drive shaft and driving motor B, the surface swing joint that supports the base upper end has the slip shell. The invention provides a flexible processing mode and a convenient installation function for the device.

Description

Laser welding equipment

Technical Field

The invention relates to the technical field of machining equipment, in particular to laser welding equipment.

Background

Laser welding is an efficient and precise welding method using a laser beam with high energy density as a heat source, and is one of important aspects of laser material processing technology application, and is mainly used for welding thin-wall materials and low-speed welding in the 70 th 20 th century, and the welding process belongs to a heat conduction type, namely, laser radiation heats the surface of a workpiece, surface heat is diffused inwards through heat conduction, and the workpiece is melted to form a specific molten pool by controlling parameters such as the width, energy, peak power, repetition frequency and the like of laser pulses.

However, when the existing laser welding equipment is used, the interaction between the welding position and the product fixing platform is less, so that the flexibility of the device is limited, the processing mode of the device is single, and the installation of the platform is very troublesome; thus, the existing requirements are not met, and a piece laser welding device is provided for the same.

Disclosure of Invention

The invention aims to provide laser welding equipment to solve the problems that when the laser welding equipment provided by the background technology is used, the interaction between a welding position and a product fixing platform is less, the flexibility of a device is limited, the processing mode of the device is single, the installation of the platform is very troublesome and the like.

In order to achieve the purpose, the invention provides the following technical scheme: a laser welding device comprises two lifting structures, wherein a material supporting structure is fixedly arranged between the two lifting structures, an auxiliary mounting structure positioned between the two lifting structures is fixedly arranged at the lower end of the material supporting structure, an operation panel is arranged on the outer surface of one side of one of the lifting structures, and a combined fixing structure is movably connected inside each of the two lifting structures;

the lifting structure comprises a supporting base, a sliding shell, a rotating gear, a driving motor A, a top column, a driving shaft and a driving motor B, wherein the sliding shell is movably connected to the outer surface of the upper end of the supporting base, the driving motor A is fixedly installed at the upper end of the inner wall of the sliding shell, the top column is movably connected to the inner part of the supporting base, the driving shaft is movably connected to the inner wall of the lower surface of the top column, the driving motor B is fixedly installed at one side of the driving shaft, the welding structure comprises a welding supporting frame, end supports, limiting columns, a driving box A, a driving motor C, a transverse power shaft, a transverse sliding frame, a driving box B, welding ends and a vertical power shaft, the welding supporting frame is provided with two end supports, the lower surfaces of the two end supports are movably connected with the limiting columns, and the hydraulic cylinder is fixedly installed at the middle position of the lower surface of the end supports, the lower surface of one end of each of the two welding support frames is provided with a drive box A, the outer surface of one side of the drive box A is fixedly provided with a drive motor C, the lower ends of the two welding support frames are movably connected with a transverse power shaft, the outer surfaces of the two transverse power shafts are movably connected with a transverse sliding frame, one end of the lower surface of the transverse sliding frame is provided with a drive box B, the inner part of the transverse sliding frame is movably connected with a welding end, the welding end and the transverse sliding frame are driven by a vertical power shaft, the material support structure comprises a support truss, side frames, fixed mounting holes, mounting plates, positioning holes, clamping seats, a chuck A, a chuck B and a fixed shaft, the side frames are arranged on two sides of the support truss, the fixed mounting holes are arranged in the support truss, the mounting plates are fixedly arranged on the upper surface of the support truss, and the positioning holes are arranged in the mounting plates, the upper surface of the mounting plate is fixedly provided with a clamping seat, one end of the upper surface of the clamping seat is provided with a chuck A, one end of the chuck A is movably connected with a chuck B positioned on the upper surface of the clamping seat, the inside of the clamping seat is movably connected with a fixed shaft, the auxiliary mounting structure comprises a supporting chassis, a positioning frame and a stabilizing shaft, the number of the supporting chassis is two, the upper surface of the supporting chassis is provided with two positioning frames, the two supporting chassis are fixed through the stabilizing shaft, the combined fixing structure comprises a steering shaft A, a fixed groove, a pin hole, a positioning shaft, a steering shaft B, a fixed pin and a matched pin hole, the lower surface of one side of the steering shaft A is provided with the fixed groove, one side of the steering shaft A is provided with a pin hole, the inside of the pin hole is fixedly provided with the positioning shaft, and the two ends of the supporting truss are provided with the steering shaft B, the outer surface of steering spindle B one end is provided with the fixed pin, the surface of steering spindle B one side is provided with the cooperation pinhole.

Preferably, the lower surface of clamping seat is provided with the fixed round pin post, the inside swing joint of fixed round pin post has drive screw, the inside swing joint of clamping seat has the runner, drive screw's outside swing joint has the lifting sleeve, the bilateral symmetry of lifting sleeve is provided with two spacing perpendicular round pins, the both ends symmetry of lifting sleeve is provided with two fixed taper poles, the bilateral symmetry of fixed round pin post inner wall is provided with two spacing grooves, the both ends symmetry of fixed round pin post is provided with two spacing holes, the inside symmetry of locating hole is provided with the location chute, drive screw's top and runner are through integrative pouring shaping the outside of steering spindle A one end is provided with drive gear, drive through drive gear drive between drive motor A and the one end of steering spindle A.

Preferably, the top end of the hydraulic cylinder is fixed to the lower surface of the end support, and the lower surface of the hydraulic cylinder is completely attached to the top end of the lifting structure.

Preferably, the outer surface of one side of the driving box B is fixedly provided with a driving motor C, and the types of the driving motor A, the driving motor B and the driving motor C are consistent.

Preferably, the cross sections of the fixing pin and the fixing groove are both T-shaped structures, and the steering shaft B and the steering shaft A are fixedly connected through the fixing pin and the fixing groove in a matched mode.

Preferably, the both sides of mounting panel all are provided with the side groove, the mounting panel passes through the cooperation location of side groove and side frame with the supporting truss, two gear trains are installed to drive case A's inside symmetry, the one end of horizontal power shaft extends to the inside at drive case A both ends.

Preferably, one end of the transverse power shaft and the gear sets are in meshing transmission through tooth grooves, and the driving box A and the two gear sets are in meshing transmission through tooth grooves.

Preferably, the outer surface of the fixed shaft is provided with threads, the fixed shaft is meshed with the lower end of the chuck B through the threads, thread grooves are formed in the outer surface of one end of the positioning shaft and the inner wall of the pin hole, and the pin hole is meshed and fixed with the positioning shaft through tooth grooves.

Preferably, one end of the positioning shaft passes through the inner part of the pin hole and extends to the inner part of the matching pin hole, and the matching pin hole and the pin hole are in a coaxial state.

Preferably, the outside of fore-set is provided with perpendicular groove, the surface of fore-set both sides passes through the spout with the top of supporting the base inner wall and is connected.

Compared with the prior art, the invention has the beneficial effects that:

1. the device can realize various flexible operation functions through the matching of the welding structure, the lifting structure and the material supporting structure, and can carry out welding treatment on various angles of a product through the matching of the steering shaft A and the internal structure of the welding structure, so that the function of multi-axis motion is realized, the operation is convenient, and the use mode is flexible and changeable;

2. the auxiliary mounting structure is matched with the material supporting structure and the combined fixing structure, so that the device can automatically fix and mount the platform, the labor intensity of operators is saved, the mounting mode of the device is simplified, the auxiliary mounting structure and the material supporting structure can be removed, the lifting structure and the welding structure can be matched for processing, the device is suitable for processing operation of various stations, the device has the adding conditions of various stations, and various processing conditions are met.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a side view of the present invention as a whole;

FIG. 3 is a schematic view of the internal structure of the sliding housing of the present invention;

FIG. 4 is a schematic view of the internal structure of the support base of the present invention;

FIG. 5 is a schematic view of a welding support frame according to the present invention;

FIG. 6 is a schematic view of a material support structure according to the present invention;

FIG. 7 is a schematic view of the connection structure between the clamping base and the mounting plate according to the present invention.

In the figure: 1. a lifting structure; 101. a support base; 102. a sliding housing; 103. a rotating gear; 104. driving a motor A; 105. a top pillar; 106. a drive shaft; 107. driving a motor B; 2. welding a structure; 201. welding a support frame; 202. an end support; 203. a limiting post; 204. a drive box A; 205. driving a motor C; 206. a transverse power shaft; 207. a transverse carriage; 208. a drive case B; 209. welding the end; 210. a vertical power shaft; 211. a hydraulic cylinder; 3. a material support structure; 301. supporting the truss; 302. a side frame; 303. fixing the mounting hole; 304. mounting a plate; 305. positioning holes; 306. installing a clamping seat; 307. a chuck A; 308. a chuck B; 309. a fixed shaft; 310. fixing the pin column; 311. a drive screw; 312. a rotating wheel; 313. a drive screw; 314. a vertical limit pin; 315. fixing the taper rod; 316. a limiting groove; 317. a limiting hole; 318. positioning the chute; 4. an auxiliary mounting structure; 401. a support chassis; 402. a positioning frame; 403. a stabilizing shaft; 5. an operation panel; 6. a combined fixed structure; 601. a steering shaft A; 602. a fixing groove; 603. a pin hole; 604. positioning the shaft; 605. a steering shaft B; 606. a fixing pin; 607. and (7) matching with the pin hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 7, an embodiment of the present invention includes: a laser welding device comprises two lifting structures 1, wherein a material supporting structure 3 is fixedly arranged between the two lifting structures 1, an auxiliary mounting structure 4 positioned between the two lifting structures 1 is fixedly arranged at the lower end of the material supporting structure 3, an operation panel 5 is arranged on the outer surface of one side of one lifting structure 1, and a combined fixing structure 6 is movably connected inside each of the two lifting structures 1;

the lifting structure 1 comprises a supporting base 101, a sliding shell 102, a rotating gear 103, a driving motor A104, a top column 105, a driving shaft 106 and a driving motor B107, wherein the outer surface of the upper end of the supporting base 101 is movably connected with the sliding shell 102, the upper end of the inner wall of the sliding shell 102 is fixedly provided with the driving motor A104, the inner part of the supporting base 101 is movably connected with the top column 105, the mechanism can realize the direction locking function on the top column 105 to prevent the top column from rotating, the inner wall of the lower surface of the top column 105 is movably connected with the driving shaft 106, one side of the driving shaft 106 is fixedly provided with the driving motor B107, a welding structure 2 comprises a welding support frame 201, end supports 202, a limit column 203, a driving box A204, a driving motor C205, a transverse power shaft 206, a transverse carriage 207, a driving box B208, a welding end 209 and a vertical shaft 210, the number of the welding support frames 201 is two, the two ends of the welding support frame 201 are respectively provided with the end supports 202, the lower surfaces of two ends of two end supports 202 are movably connected with limiting columns 203, hydraulic cylinders 211 are fixedly arranged in the middle of the lower surfaces of the end supports 202, a driving box A204 is arranged on the lower surface of one end of each of the two welding support frames 201, a driving motor C205 is fixedly arranged on the outer surface of one side of the driving box A204, transverse power shafts 206 are movably connected with the lower ends of the two welding support frames 201, driving power support of the device can be achieved through the mechanism, transverse carriages 207 are movably connected with the outer surfaces of the two transverse power shafts 206, a driving box B208 is arranged on one end of the lower surface of each transverse carriage 207, welding ends 209 are movably connected inside the transverse carriages 207, the welding ends 209 and the transverse carriages 207 are driven through vertical power shafts 210, and the material support structure 3 comprises support trusses 301, side frames 302, fixed mounting holes 303, mounting plates 304, positioning holes 305 and clamping seats 306, The combined fixing structure 6 comprises a steering shaft A601, a fixing groove 602, a pin hole 603, a positioning shaft 604, two supporting bottom frames 401, two fixing frames A307, a fixing shaft B308 and a fixing shaft 309, wherein the side frames 302 are arranged on two sides of a supporting truss 301, the fixing mounting holes 303 are arranged inside the supporting truss 301, the mounting plate 304 is fixedly mounted on the upper surface of the supporting truss 301, the mounting plate 304 is internally provided with positioning holes 305, the clamping seat 306 is fixedly mounted on the upper surface of the mounting plate 304, the clamping head A307 is arranged at one end of the upper surface of the clamping seat 306, the clamping head B308 positioned on the upper surface of the clamping seat 306 is movably connected to one end of the clamping head A307, the fixing shaft 309 is movably connected to the inside of the clamping seat 306, the auxiliary mounting structure 4 comprises two supporting bottom frames 401, the positioning frames 402 and the stabilizing shaft 403, the positioning frames 402 are arranged on the upper surfaces of the two supporting bottom frames 401, the two supporting bottom frames 401 are fixed through the stabilizing shaft 403, and the combined fixing structure 6 comprises the steering shaft A601, the fixing groove 602, the pin hole 603 and the positioning shaft 604, The support truss comprises a steering shaft B605, a fixing pin 606 and a matching pin hole 607, wherein the fixing groove 602 is arranged on the lower surface of one side of the steering shaft A601, the pin hole 603 is arranged on one side of the steering shaft A601, the positioning shaft 604 is fixedly arranged in the pin hole 603, the steering shaft B605 is arranged at each of two ends of the support truss 301, the fixing pin 606 is arranged on the outer surface of one end of the steering shaft B605, and the matching pin hole 607 is arranged on the outer surface of one side of the steering shaft B605.

Further, a fixed pin column 310 is arranged on the lower surface of the clamping base 306, a driving screw 311 is movably connected inside the fixed pin column 310, a rotating wheel 312 is movably connected inside the clamping base 306, a lifting sleeve 313 is movably connected outside the driving screw 311, two limiting vertical pins 314 are symmetrically arranged on two sides of the lifting sleeve 313, two fixing tapered rods 315 are symmetrically arranged at two ends of the lifting sleeve 313, two limiting grooves 316 are symmetrically arranged on two sides of the inner wall of the fixed pin column 310, two limiting holes 317 are symmetrically arranged at two ends of the fixed pin column 310, positioning chutes 318 are symmetrically arranged inside the positioning holes 305, a rotating gear 103 is arranged on the top end of the driving screw 311 and the rotating wheel 312 through the outer side of one end of a steering shaft 601 formed through integral casting, a driving motor a104 and one end of the steering shaft a601 are driven through the rotating gear 103, and through the mechanism, a rotating power support can be provided for the steering shaft a 601.

Further, the top end of the hydraulic cylinder 211 is fixed to the lower surface of the end support 202, and the lower surface of the hydraulic cylinder 211 is completely attached to the top end of the lifting structure 1, so that the lifting power support can be provided for the whole welding structure 2.

Furthermore, the outer surface of one side of the driving box B208 is fixedly provided with a driving motor C205, the types of the driving motor A104, the driving motor B107 and the driving motor C205 are consistent, and the driving power support of the device can be realized through the mechanism.

Furthermore, the fixing pin 606 and the fixing groove 602 are both T-shaped in cross section, and the steering shaft B605 and the steering shaft a601 are fixedly connected with the fixing groove 602 through the fixing pin 606 in a matched manner.

Further, both sides of the mounting plate 304 are provided with side grooves, the mounting plate 304 and the supporting truss 301 are positioned through the matching of the side grooves and the side frames 302, two gear sets are symmetrically mounted in the driving box a204, one end of the transverse power shaft 206 extends to the inside of both ends of the driving box a204, and through the mechanism, vertical sliding power support can be provided for the transverse sliding frame 207.

Furthermore, one end of the transverse power shaft 206 is in meshing transmission with the gear sets through a tooth socket, the driving box A204 is in meshing transmission with the two gear sets through the tooth socket, and the driving power support of the transverse power shaft 206 can be achieved through the mechanism.

Further, the outer surface of the fixing shaft 309 is provided with threads, the fixing shaft 309 is connected with the lower end of the chuck B308 in a threaded engagement manner, the outer surface of one end of the positioning shaft 604 and the inner wall of the pin hole 603 are provided with thread grooves, and the pin hole 603 and the positioning shaft 604 are fixed in an engagement manner through tooth grooves, so that the fixing function of the steering shaft a601 can be realized through the mechanism.

Further, one end of the positioning shaft 604 passes through the inside of the pin hole 603 and extends to the inside of the matching pin hole 607, and the matching pin hole 607 and the pin hole 603 are coaxial, so that the fixing function of the combined fixing structure 6 and the material supporting structure 3 can be realized by the mechanism.

Further, the outside of fore-set 105 is provided with perpendicular groove, and the surface of fore-set 105 both sides passes through the spout with the top of supporting base 101 inner wall to be connected, through this mechanism, can realize the direction locking function to fore-set 105, prevents its rotation.

During installation, firstly, the installation plate 304 is placed on the upper surface of the support truss 301, the side frame 302 is clamped into the side groove, two fixing hole grooves are symmetrically formed in the installation plate 304, meanwhile, bolts are adopted to fix the fixing installation holes 303 and the support truss 301 through the fixing hole grooves, the clamping seats 306 are inserted and fixed according to the arrangement positions of the positioning holes 305, then, a product is placed between the clamping head A307 and the clamping head B308, the fixing shaft 309 is rotated, the clamping head B308 is enabled to move towards one side of the clamping head A307, and the product is clamped;

then, the supporting truss 301 is placed on the upper surfaces of the two supporting bottom frames 401, the positioning frame 402 is clamped on the lower surfaces of the two ends of the supporting truss 301, a limiting state is formed on the supporting truss 301, meanwhile, the driving shaft 106 is driven to rotate by the driving motor B107, the lifting function of the top column 105 is realized by the threaded matching of the driving shaft 106 and the inner wall of the top column 105, so that the steering shaft A601 falls, the fixing pin 606 is clamped into the fixing groove 602, the matching pin hole 607 and the pin hole 603 are in the coaxial position, one end of the positioning shaft 604 is inserted into the pin hole 603 and penetrates through the fixing pin 606, the positioning shaft 604 and the pin hole 603 are fixedly installed in a threaded mode, and the locking function of the steering shaft A601 and the steering shaft B605 is realized;

the driving motor A104 can be matched with the rotating gear 103 to operate to drive the steering shaft A601 to adjust the angle and is matched with the welding structure 2 to complete the flexible welding function, the hydraulic cylinder 211 drives the end support 202 to lift, the two limiting columns 203 achieve the positioning effect, and then the welding support frame 201 is driven to lift to complete the lifting operation of the welding support frame 201;

drive motor C205 through the drive case A204 outside rotates, drive two gear trains of the inside of drive case A204, drive horizontal power shaft 206 respectively by two gear trains again and rotate, through the both ends screw-thread engagement transmission of horizontal power shaft 206 with horizontal balladeur train 207, make horizontal balladeur train 207 realize vertical slip function, and drive vertical power shaft 210 through drive case B208 and rotate, make vertical power shaft 210 drive welding end 209 and realize the slip effect, accomplish the diversified nimble welding function of device.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A laser welding apparatus comprising a lifting structure (1), characterized in that: lifting structure (1) has two, two fixed mounting has material bearing structure (3) between lifting structure (1), the lower extreme fixed mounting of material bearing structure (3) has auxiliary mounting structure (4) that are located between two lifting structure (1), one of them the surface of lifting structure (1) one side is provided with operating panel (5), two the equal swing joint in inside of lifting structure (1) has combination fixed knot to construct (6).

2. A laser welding apparatus according to claim 1, characterized in that: lifting structure (1) is including supporting base (101), slip shell (102), rotating gear (103), driving motor A (104), fore-set (105), drive shaft (106) and driving motor B (107), the surface swing joint that supports base (101) upper end has slip shell (102), the upper end fixed mounting of slip shell (102) inner wall has driving motor A (104), the inside swing joint that supports base (101) has fore-set (105), the inner wall swing joint of fore-set (105) lower surface has drive shaft (106), one side fixed mounting of drive shaft (106) has driving motor B (107), welded structure (2) are including welding support frame (201), tip support (202), spacing post (203), drive case A (204), driving motor C (205), horizontal power shaft (206), horizontal balladeur train (207), The welding device comprises a driving box B (208), a welding end (209) and vertical power shafts (210), wherein two welding supporting frames (201) are arranged, end supports (202) are arranged at two ends of each welding supporting frame (201), two limiting columns (203) are movably connected to the lower surfaces of the two ends of each end support (202), a hydraulic cylinder (211) is fixedly arranged at the middle position of the lower surface of each end support (202), a driving box A (204) is arranged on the lower surface of one end of each welding supporting frame (201), a driving motor C (205) is fixedly arranged on the outer surface of one side of each driving box A (204), a transverse power shaft (206) is movably connected to the lower end of each welding supporting frame (201), a transverse sliding frame (207) is movably connected to the outer surface of each transverse power shaft (206), and a driving box B (208) is arranged at one end of the lower surface of each transverse sliding frame (207), the material supporting structure comprises a supporting truss (301), side frames (302), fixed mounting holes (303), a mounting plate (304), positioning holes (305), clamping seats (306), clamping heads A (307), clamping heads B (308) and a fixing shaft (309), wherein the side frames (302) are arranged on two sides of the supporting truss (301), the fixed mounting holes (303) are arranged in the supporting truss (301), the mounting plate (304) is fixedly mounted on the upper surface of the supporting truss (301), the positioning holes (305) are arranged in the mounting plate (304), the clamping seats (306) are fixedly mounted on the upper surface of the mounting plate (304), one end of the upper surface of each clamping seat (306) is provided with the clamping head A (307), one end of the chuck A (307) is movably connected with a chuck B (308) positioned on the upper surface of the clamping seat (306), the inside of the clamping seat (306) is movably connected with a fixed shaft (309), the auxiliary mounting structure (4) comprises two supporting bottom frames (401), positioning frames (402) and stabilizing shafts (403), the number of the supporting bottom frames (401) is two, the positioning frames (402) are arranged on the upper surfaces of the two supporting bottom frames (401), the two supporting bottom frames (401) are fixed through the stabilizing shafts (403), the combined fixing structure (6) comprises a steering shaft A, fixing grooves (602), pin holes (603), positioning shafts (604), a steering shaft B (605), fixing pins (606) and matching pin holes (607), the lower surface of one side of the steering shaft A is provided with the fixing grooves (602), one side of the steering shaft A is provided with the pin holes (603), the positioning shaft (604) is fixedly mounted inside the pin hole (603), steering shafts B (605) are arranged at two ends of the supporting truss (301), a fixing pin (606) is arranged on the outer surface of one end of each steering shaft B (605), and a matching pin hole (607) is arranged on the outer surface of one side of each steering shaft B (605).

3. A laser welding apparatus according to claim 2, characterized in that: the lower surface of the clamping seat (306) is provided with a fixed pin column (310), the inner part of the fixed pin column (310) is movably connected with a driving screw (311), the inner part of the clamping seat (306) is movably connected with a rotating wheel (312), the outer side of the driving screw (311) is movably connected with a lifting sleeve (313), two limiting vertical pins (314) are symmetrically arranged on two sides of the lifting sleeve (313), two fixing tapered rods (315) are symmetrically arranged on two ends of the lifting sleeve (313), two limiting grooves (316) are symmetrically arranged on two sides of the inner wall of the fixed pin column (310), two limiting holes (317) are symmetrically arranged on two ends of the fixed pin column (310), positioning inclined grooves (318) are symmetrically arranged in the positioning holes (305), the top end of the driving screw (311) and the rotating wheel (312) are integrally cast, a rotating gear (103) is arranged on the outer side of one end of a steering shaft A, the driving motor A (104) and one end of the steering shaft A are driven through a rotating gear (103).

4. A laser welding apparatus according to claim 2, characterized in that: the top end of the hydraulic cylinder (211) is fixed with the lower surface of the end support (202), and the lower surface of the hydraulic cylinder (211) is completely attached to the top end of the lifting structure (1).

5. A laser welding apparatus according to claim 2, characterized in that: the outer surface of drive box B (208) one side all fixed mounting have driving motor C (205), driving motor A (104), driving motor B (107) and driving motor C (205)'s model is unanimous.

6. A laser welding apparatus according to claim 2, characterized in that: the cross sections of the fixing pin (606) and the fixing groove (602) are both T-shaped structures, and the steering shaft B (605) and the steering shaft A are fixedly connected through the fixing pin (606) and the fixing groove (602) in a matched mode.

7. A laser welding apparatus according to claim 2, characterized in that: the both sides of mounting panel (304) all are provided with the side groove, mounting panel (304) are fixed a position with the cooperation of side frame (302) through the side groove with support truss (301), two gear trains are installed to the inside symmetry of drive case A (204), the one end of horizontal power shaft (206) extends to the inside at drive case A (204) both ends.

8. A laser welding apparatus according to claim 2, characterized in that: one end of the transverse power shaft (206) is in meshing transmission with the gear sets through tooth sockets, and the driving box A (204) is in meshing transmission with the two gear sets through tooth sockets.

9. A laser welding apparatus according to claim 2, characterized in that: the outer surface of the fixed shaft (309) is provided with threads, the lower end of the fixed shaft (309) is connected with the lower end of the chuck B (308) in a threaded engagement mode, the outer surface of one end of the positioning shaft (604) and the inner wall of the pin hole (603) are provided with thread grooves, and the pin hole (603) and the positioning shaft (604) are fixed in an engagement mode through tooth grooves.

10. A laser welding apparatus according to claim 2, characterized in that: the inside that the one end of location axle (604) passed pinhole (603) extends to the inside of cooperation pinhole (607), cooperation pinhole (607) and pinhole (603) are coaxial state, the outside of fore-set (105) is provided with perpendicular groove, the surface of fore-set (105) both sides passes through the spout with the top of supporting base (101) inner wall and is connected.