CN112008205A

CN112008205A - Full-automatic argon arc welding machine

Info

Publication number: CN112008205A
Application number: CN202010948618.6A
Authority: CN
Inventors: 周日琪
Original assignee: Zhejiang Shangshu Information Technology Co ltd
Current assignee: Zhejiang Shangshu Information Technology Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2020-12-01

Abstract

The invention relates to the technical field of industrial welding equipment, and discloses a full-automatic argon arc welding machine which comprises a base, wherein an adjusting mechanism, a stabilizing mechanism and a welding mechanism are respectively arranged on the surface of the base, a first motor fixed on one side of the top end face of the base is arranged inside the adjusting mechanism, the output end of the first motor is connected with a first rotating shaft, and the other end of the first rotating shaft is connected with a clamp through welding. According to the welding fixture, under the action of the adjusting mechanism, the second welding parts of different structures such as pipelines or plates can be clamped and fixed through the arranged fixture, the distance between the two fixtures can be adjusted through the arranged hydraulic rods, so that the welding of the second welding parts of different sizes is met, and the fixture can rotate under the matching use of the first motor, the first rotating shaft, the fixture, the second rotating shaft and the vertical plate, so that the second welding parts are welded in a circular motion mode, the welding efficiency is improved, and the applicability is enhanced.

Description

Full-automatic argon arc welding machine

Technical Field

The invention relates to the field of industrial welding equipment, in particular to a full-automatic argon arc welding machine.

Background

The full-automatic argon arc welding straight seam welding machine is controlled by a PLC, the welding efficiency is high, and an operator can weld a perfect welding seam without knowing the welding technology. The welding efficiency is high, the welding quality is good, the welding output of the full-automatic argon arc welding straight seam welding machine is equivalent to the output of 4-person manual welding, the welding quality is stable, and the quality is not influenced by artificial emotion and technology.

Such as the authorization notice number: according to the full-automatic argon arc welding machine provided by CN107695487B, the tool is automatically locked and the argon arc welding gun is automatically welded until the welding is completed through the matched PLC transmission data until the tool is loosened and a welding product is taken out, welding wire-free welding is adopted, the welding cost is saved, and the welding quality and efficiency can be effectively improved.

But as published in the application: according to the full-automatic argon arc welding machine provided by CN107695487B, if materials with different structures need to be prefabricated in advance when being welded, the materials with different structures cannot be welded, and a main body needing to be welded is single, so that different production requirements cannot be met.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a full-automatic argon arc welding machine which has the advantage of being capable of welding materials with different structures and solves the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a full-automatic argon arc welding machine comprises a base, wherein the surface of the base is respectively provided with an adjusting mechanism, a stabilizing mechanism and a welding mechanism, the interior of the adjusting mechanism comprises a first motor fixed on one side of the top end surface of the base, the output end of the first motor is connected with a first rotating shaft, the other end of the first rotating shaft is connected with a clamp through welding, the surface of the clamp is connected with a first welding piece, the other end of the first welding piece is jointed with a second welding piece, the other side of the top end surface of the base is fixedly connected with a hydraulic rod, and the other end of the hydraulic rod is fixedly connected with a vertical plate, the vertical plate body is transversely and movably connected with a second rotating shaft, the other end of the second rotating shaft is also fixedly connected with a clamp, the other side of the top end surface of the base is fixedly connected with a first sliding rod, and the outer wall activity of a slide bar has cup jointed the lantern ring No. one to the top of the lantern ring is fixed mutually with the bottom of riser.

Preferably, the first rotating shaft and the second rotating shaft are in the same axis.

Preferably, the movable groove has been seted up to one side of anchor clamps, and the inside bottom of movable groove passes through threaded rod No. one of bearing fixedly connected with, the outer wall threaded connection of a threaded rod has No. two threaded rods, and splint No. one of the other end fixedly connected with of No. two threaded rods, splint No. two of one side fixedly connected with of anchor clamps to No. two splint are located the below of splint No. one.

Preferably, the second threaded rod forms a lifting structure through the first threaded rod and the movable groove.

Preferably, stabilizing mean's inside is including seting up the recess at base top face, and the inside horizontal fixedly connected with slide bar No. two of recess, the lantern ring No. two has been cup jointed in the equal activity of the outer wall of slide bar No. two, and the equal fixedly connected with worker shape vaulting pole in top of the lantern ring No. two, the axis of rotation has been cup jointed in the equal horizontal activity of two worker shape vaulting pole bodies, and the outer wall nestification of axis of rotation has the round roller, and the surface of round roller is laminated mutually with the surface of second welding to two worker shape vaulting pole body horizontal threaded connection have No. three threaded rods.

Preferably, two sections of thread grooves are formed in the outer wall of the third threaded rod, the thread directions of the two sections of thread grooves are opposite, and the I-shaped support rod forms a moving structure through the third threaded rod.

Preferably, the two ends of the rotating shaft are both connected with an outer pipe through fixing bolts, an inner rod is movably connected with the inner cavity of the outer pipe, the other end of the inner rod is connected with a polishing head through fixing bolts, and the outer wall of the polishing head is attached to the surface of the second welding part.

Preferably, the welding mechanism comprises telescopic rods respectively fixed on two sides of the top end face of the base, a first sliding rail is fixedly connected between every two telescopic rods, a first sliding sleeve is movably sleeved on the outer wall of the first sliding rail, a support plate is fixedly connected to the other end of the first sliding sleeve, a second sliding rail is fixedly connected to the other end of the support plate, a second sliding sleeve is movably sleeved on the outer wall of the second sliding rail, a support plate is fixedly connected to the other end of the second sliding sleeve, a vertical plate is fixedly connected to the other end of the support plate through welding, a sliding groove is formed in one side of the vertical plate, a connecting rod is slidably connected to the inner wall of the sliding groove, an arc-shaped rack is fixedly connected to the top end of the connecting rod, a connecting piece is fixedly connected to the bottom end of the connecting rod, a welding head is fixedly, and the outer wall of the second polishing head is attached to the surface of the second welding part, the top end of the support plate is fixedly connected with a second motor, and the output end of the second motor is fixedly connected with a gear.

Preferably, the first sliding sleeve and the second sliding sleeve respectively form a moving structure through the cylinder, the first sliding rail and the second sliding rail are respectively distributed in an X, Y coordinate shaft type, and the first sliding rail is located above the base.

Preferably, the sliding groove is of an arc-shaped structure, and one side of the arc-shaped rack is meshed with the gear.

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

1. according to the welding device, under the action of the adjusting mechanism, the second welding parts of different structures such as pipelines or plates can be clamped and fixed through the arranged clamps, the distance between the two clamps can be adjusted through the arranged hydraulic rods, so that the welding of the second welding parts of different sizes is met, and the clamps can rotate under the matched use of the first motor, the first rotating shaft, the clamps, the second rotating shaft and the vertical plate, so that the second welding parts and the first welding parts are welded in a circular motion mode.

2. According to the invention, under the action of the stabilizing mechanism, the three threaded rods are rotated, so that the two I-shaped support rods perform uniform relative motion along the three threaded rods, the distance between the two round rollers is adjusted, the height of a second welding part placed on the round rollers can be adjusted, the welding operation of the second welding parts with different diameters is met, the second welding part placed on the round rollers can be stably supported, and the stability is improved.

3. According to the welding head, under the action of the welding mechanism, the first sliding rail and the second sliding rail are arranged, so that the carrier plate can drive the welding head to move in the X/Y axis direction, and the height of the welding head can be adjusted through the telescopic rod, so that the multi-directional adjustment of the welding head is realized, and the welding work in different position directions is met.

4. According to the welding device, under the matched use of the second motor, the gear, the arc-shaped rack, the connecting rod and the sliding groove, the connecting piece can drive the welding head to do circular motion, so that the welding head can conduct circular motion welding operation on the second welding part and the first welding part, the requirements of different welding directions are met, and the applicability is improved.

5. According to the invention, under the matching use of the adjusting mechanism, the stabilizing mechanism and the welding mechanism, when the second welding part on the round roller rotates, the first polishing head polishes the extra height of the welding seam of the second welding part, so that the first polishing head and the second polishing head polish the welding position of the second welding part, and the purpose is to adjust the first polishing head to correspond to the welding seams at different positions by adjusting the overall length between the outer pipe and the inner rod in order to avoid stress concentration, so that the polishing effect is ensured.

Drawings

FIG. 1 is a schematic view of an overall structure of a full-automatic argon arc welding machine according to the present invention;

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

FIG. 3 is a schematic diagram of the right side of the parsing structure of the present invention;

FIG. 4 is an enlarged schematic view of the structure at B in FIG. 1;

FIG. 5 is a schematic structural view of a first slide rail and a second slide rail of the present invention;

fig. 6 is a schematic structural view of the welding mechanism of the present invention.

In the figure: 1. a base; 2. an adjustment mechanism; 201. a first motor; 202. a first rotating shaft; 203. a clamp; 2031. a movable groove; 2032. a first threaded rod; 2033. a second threaded rod; 2034. a first clamping plate; 2035. a second splint; 204. a first weldment; 205. a second weldment; 206. a hydraulic lever; 207. a vertical plate; 208. a second rotating shaft; 209. a first sliding rod; 2010. a first lantern ring; 3. a stabilizing mechanism; 301. a groove; 302. a second sliding rod; 303. a second lantern ring; 304. an I-shaped stay bar; 305. a rotating shaft; 3051. an outer tube; 3052. an inner rod; 3053. a first polishing head; 306. a round roller; 307. a third threaded rod; 4. a welding mechanism; 401. a telescopic rod; 402. a first slide rail; 403. a first sliding sleeve; 404. a support plate; 405. a second sliding rail; 406. a second sliding sleeve; 407. a carrier plate; 408. a vertical plate; 409. a chute; 4010. a connecting rod; 4011. an arc-shaped rack; 4012. a connecting member; 4013. a welding head; 4014. a support; 4015. a second polishing head; 4016. a second motor; 4017. a gear.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-6, a full-automatic argon arc welding machine comprises a base 1, an adjusting mechanism 2, a stabilizing mechanism 3 and a welding mechanism 4 are respectively installed on the surface of the base 1, a first motor 201 fixed on one side of the top end surface of the base 1 is included inside the adjusting mechanism 2, the output end of the first motor 201 is connected with a first rotating shaft 202, the other end of the first rotating shaft 202 is connected with a clamp 203 through welding, the surface of the clamp 203 is connected with a first welding part 204, the other end of the first welding part 204 is attached with a second welding part 205, the other side of the top end surface of the base 1 is fixedly connected with a hydraulic rod 206, the other end of the hydraulic rod 206 is fixedly connected with a vertical plate 207, the body of the vertical plate 207 is transversely and movably connected with a second rotating shaft 208, the other end of the second rotating shaft 208 is also fixedly connected with the clamp 203, and the, and the outer wall activity of slide bar 209 has cup jointed a lantern ring 2010, and the top of a lantern ring 2010 is fixed mutually with the bottom of riser 207, first welding piece 204 and second welding piece 205 are two structural material that carry out the welded, move about the hydraulic stem 206 drive riser 207 through the setting, can adjust the distance between two anchor clamps 203, thereby satisfy second welding piece 205 to different length and weld, when riser 207 moves, lantern ring 2010 moves along slide bar 209, thereby improve the stability when riser 207 moves.

Specifically, the first rotating shaft 202 and the second rotating shaft 208 are located at the same axis, and under the action of the vertical plate 207, the first motor 201 can drive the clamp 203 to rotate, so that the second welding part 205 fixed by the clamp 203 can rotate.

Specifically, movable groove 2031 has been seted up to one side of anchor clamps 203, and movable groove 2031's inside bottom is through threaded rod 2032 No. one of bearing fixedly connected with, threaded rod 2032's outer wall threaded connection has threaded rod 2033 No. two, and No. two threaded rod 2033's other end fixedly connected with splint 2034 No. one, No. two splint 2035 of lower extreme fixedly connected with of anchor clamps 203, and No. two splint 2035 are located splint 2034's below, through rotating threaded rod 2032 No. one, make threaded rod 2032 drive No. two threaded rods 2033 carry out elevating movement along movable groove 2031.

Specifically, No. two threaded rods 2033 constitute elevation structure through between a threaded rod 2032 and the activity groove 2031, and when No. two threaded rods 2033 carried out elevating movement, No. two threaded rods 2033 drove a splint 2034 and carried out elevating movement to adjust the distance between a splint 2034 and No. two splint 2035, and then make a splint 2034 and No. two splint 2035 press from both sides tightly fixedly to second welding piece 205.

Specifically, the inside of the stabilizing mechanism 3 includes a groove 301 formed in the top end face of the base 1, and two transverse fixedly connected slide bars 302 in the groove 301, two outer walls of the two slide bars 302 are movably sleeved with two lantern rings 303, and top ends of the two lantern rings 303 are fixedly connected with i-shaped stay bars 304, two bodies of the i-shaped stay bars 304 are movably sleeved with a rotating shaft 305, the outer wall of the rotating shaft 305 is nested with a round roller 306, the surface of the round roller 306 is fitted with the surface of the second welding part 205, and the two bodies of the i-shaped stay bars 304 are transversely in threaded connection with a third threaded rod 307, under the cooperation of the motor 201, the clamp 203 drives the second welding part 205 to rotate, the second welding part 205 and the round roller 306 rotate mutually, and the stability of the second welding part 205 is ensured.

Specifically, two sections of thread grooves have been seted up to No. three threaded rod 307 outer walls, and the screw thread opposite direction of two sections thread grooves, worker's shape vaulting pole 304 passes through and constitutes the removal structure between No. three threaded rod 307, through rotating No. three threaded rod 307, make two worker's shape vaulting poles 304 make uniform velocity relative motion along No. three threaded rod 307, thereby adjust the distance between two circle rollers 306, and then can adjust the height of placing second welding piece 205 on circle roller 306, satisfy the second welding piece 205 welding work of different diameters size, when two worker's shape vaulting poles 304 remove, No. two lantern rings 303 remove along No. two slide bar 302, stability when improving worker's shape vaulting pole 304 and removing.

Specifically, both ends of the rotating shaft 305 are connected with an outer tube 3051 through fixing bolts, an inner rod 3052 is movably connected with an inner cavity of the outer tube 3051, the other end of the inner rod 3052 is connected with a first polishing head 3053 through fixing bolts, the outer wall of the first polishing head 3053 is attached to the surface of a second welding part 205, the outer tube 3051 is connected with both ends of the rotating shaft 305 through fixing bolts, so that when the device is used for welding the welding part, the outer tube 3051 can be detached, friction collision between the outer tube 3051 and the surface of the welding part is avoided, the outer tube 3051 and the inner rod 3052 are fixedly adjusted through bolts, the first polishing head 3053 is adjusted to correspond to welding seams of the second welding part 205 at different positions by adjusting the overall length between the outer tube 3051 and the inner rod 3052, the polishing effect is ensured, the other end of the first polishing head 3053 is connected with the inner rod 3052 through fixing bolts, so that the first polishing head 3053 can be detached, the first polishing head 3053 with different sizes can be replaced according to the diameter of the second welding part 205, and when the second welding part 205 rotates on the round roller 306, the first polishing head 3053 rubs with the welding seam on the surface of the second welding part 205, so that the polishing treatment is performed.

Specifically, the welding mechanism 4 includes telescopic rods 401 respectively fixed on two sides of the top end face of the base 1, a first sliding rail 402 is fixedly connected between every two telescopic rods 401, a first sliding sleeve 403 is movably sleeved on the outer wall of the first sliding rail 402, a support plate 404 is fixedly connected with the other end of the first sliding sleeve 403, a second sliding rail 405 is fixedly connected with the other end of the support plate 404, a second sliding sleeve 406 is movably sleeved on the outer wall of the second sliding rail 405, a support plate 407 is fixedly connected with the other end of the second sliding sleeve 406, a vertical plate 408 is fixedly connected with the other end of the support plate 407 by welding, a sliding groove 409 is formed in one side of the vertical plate 408, a connecting rod 4010 is slidably connected with the inner wall of the sliding groove 409, an arc-shaped rack 4011 is fixedly connected with the top end of the connecting rod 4010, a connecting piece 4012 is fixedly connected with the bottom end of the connecting rod 4010, a welding head 3 is fixedly connected with, and the outer wall of No. two bistrique 4015 is laminated mutually with one side of second welding piece 205, No. two motors 4016 of top fixedly connected with of support plate 407, and No. two motors 4016's output fixedly connected with gear 4017, when No. two motors 4016 drive gear 4017 and rotate, gear 4017 and arc rack 4011 mesh, make arc rack 4011 drive connecting rod 4010 and rotate, support 4014 through setting up, can place the solder, two telescopic link 401 can be hydraulic telescoping rod, thereby adjust the height of bonding tool 4013, satisfy not co-altitude weldment work.

Specifically, the first sliding sleeve 403 and the second sliding sleeve 406 respectively form a moving structure with the first sliding rail 402 and the second sliding rail 405 through cylinders, the first sliding rail 402 and the second sliding rail 405 are respectively distributed in an X, Y coordinate axis type, the first sliding rail 402 is located above the base 1, the first sliding sleeve 403 moves along the first sliding rail 402 in an X coordinate axis, and the second sliding sleeve 406 moves along the second sliding rail 405 in a Y coordinate axis, of course, the number of the first sliding rails 402 is two, and stability of the first sliding sleeve 403 during moving is ensured.

It is specific, spout 409 is arc column structure, one side and gear 4017 of arc rack 4011 are connected for the meshing, of course, one side fixedly connected with slider of connecting rod 4010, and slider and spout 409 are sliding connection, when arc rack 4011 drives connecting rod 4010 and rotates, the fixed slider in one side of connecting rod 4010 slides in spout 409, stability when improving connecting rod 4010 and rotating, connecting rod 4010 drives connecting piece 4012 and rotates, make connecting piece 4012 drive bonding tool 4013 carry out the circular motion, thereby make bonding tool 4013 to the better welding of welding part, and when bonding tool 4013 carries out circular motion, No. two polish head 4015 and welding seam rub, make No. two polish head 4015 polish the processing to the welding seam.

The working principle is as follows: when the first welding part 204 and the second welding part 205 need to be welded, the first welding part 204 is firstly placed on a second clamping plate 2035 of the two clamps 203, a first threaded rod 2032 is rotated, the first threaded rod 2032 drives the second threaded rod 2033 to move up and down along a movable groove 2031, the second threaded rod 2033 drives a first clamping plate 2034 to move up and down, the distance between the first clamping plate 2034 and the second clamping plate 2035 is adjusted, the first clamping plate 2034 and the second clamping plate 2035 clamp and fix the first welding part 204, then the second welding part 205 is placed on a circular roller 306, a hydraulic rod 206 drives a vertical plate 207 to move left and right, the distance between the two clamps 203 is adjusted, the two ends of the second welding part 205 are in contact with the joints of the two first welding parts 204, then a third threaded rod 307 is rotated, so that the two i-shaped bracing rods 304 move relatively at a uniform speed along the third threaded rod 307, thereby adjusting the distance between the two round rollers 306, and further adjusting the height of the second welding part 205 placed on the round rollers 306, so that the two ends of the second welding part 205 are attached to the joints of the two first welding parts 204, finally, the first sliding sleeve 403 and the second sliding sleeve 406 are driven by the air cylinders to move along the X/Y coordinate axes of the first sliding rail 402 and the second sliding rail 405 respectively, thereby adjusting the welding positions of the welding heads 4013 corresponding to the joints of the two ends of the second welding part 205 and the two first welding parts 204, then the welding heads 4013 weld the joints of the two ends of the second welding part 205 and the two first welding parts 204 and generate a section of welding seam, so that the first welding part 204 and the second welding part 205 are fixed, and then when the second motor 4016 drives the gear 4017 to rotate, the gear 4017 is meshed with the arc rack 4011, so that the arc rack 4011 drives the connecting rod 4010 to rotate, then connecting rod 4010 drives connecting piece 4012 and rotates, make connecting piece 4012 drive bonding tool 4013 and carry out circular motion, thereby make bonding tool 4013 continue to weld and produce the welding seam, and then make and be further fixed between first welding piece 204 and the second welding piece 205, drive anchor clamps 203 through a motor 201 and rotate at last, make second welding piece 205 rotate through round roller 306, then control bonding tool 4013 and keep motionless, make bonding tool 4013 carry out complete welding to the both ends of second welding piece 205 and two first welding piece 204 welding seams, and first polish 3053 and No. two polish 4015 polish the processing respectively to second welding piece 205 welding department this moment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a full-automatic argon arc welding machine, includes base (1), its characterized in that: the surface of the base (1) is respectively provided with an adjusting mechanism (2), a stabilizing mechanism (3) and a welding mechanism (4), the inside of the adjusting mechanism (2) comprises a first motor (201) fixed on one side of the top end face of the base (1), the output end of the first motor (201) is connected with a first rotating shaft (202), the other end of the first rotating shaft (202) is connected with a clamp (203) through welding, the surface of the clamp (203) is connected with a first welding part (204), the other end of the first welding part (204) is attached with a second welding part (205), the other side of the top end face of the base (1) is fixedly connected with a hydraulic rod (206), the other end of the hydraulic rod (206) is fixedly connected with a vertical plate (207), the body of the vertical plate (207) is transversely and movably connected with a second rotating shaft (208), and the other end of the second rotating shaft (208) is also fixedly connected, slide bar (209) No. one of top terminal surface opposite side fixedly connected with of base (1), and the outer wall activity of slide bar (209) has cup jointed lantern ring (2010) No. one to the top of lantern ring (2010) is fixed mutually with the bottom of riser (207).

2. The full-automatic argon arc welding machine according to claim 1, characterized in that: the first rotating shaft (202) and the second rotating shaft (208) are positioned on the same axis.

3. The full-automatic argon arc welding machine according to claim 1, characterized in that: activity groove (2031) has been seted up to one side of anchor clamps (203), and the inside bottom of activity groove (2031) passes through threaded rod (2032) of bearing fixedly connected with, the outer wall threaded connection of threaded rod (2032) has threaded rod (2033) No. two, and splint (2034) No. one of other end fixedly connected with of threaded rod (2033), splint (2035) No. two of lower extreme fixedly connected with of anchor clamps (203) to splint (2035) are located the below of splint (2034) No. two.

4. The full-automatic argon arc welding machine according to claim 3, characterized in that: and the second threaded rod (2033) forms a lifting structure through the first threaded rod (2032) and the movable groove (2031).

5. The full-automatic argon arc welding machine according to claim 1, characterized in that: the inside of stabilizing mean (3) is including seting up recess (301) at base (1) top terminal surface, and two slide bar (302) of the horizontal fixedly connected with in inside of recess (301), the equal activity of outer wall of two slide bar (302) has cup jointed No. two lantern rings (303), and the equal fixedly connected with worker shape vaulting pole (304) in top of two lantern rings (303), the equal horizontal activity of two worker shape vaulting pole (304) bodies has cup jointed axis of rotation (305), and the outer wall nestification of axis of rotation (305) has round roller (306), and the surface of round roller (306) is laminated with the surface of second welding piece (205) mutually to two worker shape vaulting pole (304) body horizontal threaded connection have No. three threaded rod (307).

6. The full-automatic argon arc welding machine according to claim 5, characterized in that: two sections of thread grooves are formed in the outer wall of the third threaded rod (307), the thread directions of the two sections of thread grooves are opposite, and the I-shaped support rod (304) forms a moving structure through the third threaded rod (307).

7. The full-automatic argon arc welding machine according to claim 5, characterized in that: the both ends of axis of rotation (305) all are connected with outer tube (3051) through fixing bolt, and the inner chamber swing joint of outer tube (3051) have interior pole (3052), the other end of interior pole (3052) is connected with polishing head (3053) No. one through fixing bolt, and the outer wall of polishing head (3053) and the surface of second welding spare (205) laminate mutually.

8. The full-automatic argon arc welding machine according to claim 1, characterized in that: the welding mechanism (4) comprises telescopic rods (401) respectively fixed on two sides of the top end face of the base (1), a first sliding rail (402) is fixedly connected between every two telescopic rods (401), a first sliding sleeve (403) is movably sleeved on the outer wall of the first sliding rail (402), a support plate (404) is fixedly connected with the other end of the first sliding sleeve (403), a second sliding rail (405) is fixedly connected with the other end of the support plate (404), a second sliding sleeve (406) is movably sleeved on the outer wall of the second sliding rail (405), a support plate (407) is fixedly connected with the other end of the second sliding sleeve (406), a vertical plate (408) is fixedly connected with the other end of the support plate (407) through welding, a sliding groove (409) is formed in one side of the vertical plate (408), a connecting rod (4010) is slidably connected with the inner wall of the sliding groove (409), an arc-shaped rack (4011) is fixedly, and the bottom fixedly connected with connecting piece (4012) of connecting rod (4010), the bottom fixedly connected with bonding tool (4013) of connecting piece (4012), and the bottom both sides of connecting piece (4012) fixedly connected with support (4014) and No. two polish head (4015) respectively to the outer wall of No. two polish head (4015) is laminated with the surface of second welding piece (205) mutually, No. two motor (4016) of top fixedly connected with of support plate (407), and the output fixedly connected with gear (4017) of No. two motor (4016).

9. The full-automatic argon arc welding machine according to claim 8, characterized in that: the first sliding sleeve (403) and the second sliding sleeve (406) respectively form a moving structure through an air cylinder, a first sliding rail (402) and a second sliding rail (405), the first sliding rail (402) and the second sliding rail (405) are respectively distributed in an X, Y coordinate shaft type, and the first sliding rail (402) is located above the base (1).

10. The full-automatic argon arc welding machine according to claim 8, characterized in that: the spout (409) are arc column structure, one side and gear (4017) of arc rack (4011) are connected for the meshing.