CN111702379B

CN111702379B - Inner and outer welding device for garbage can shell integrating inner welding function and outer welding function

Info

Publication number: CN111702379B
Application number: CN202010394040.4A
Authority: CN
Inventors: 傅慧子
Original assignee: Wuhu Lanren Intelligent Technology Co ltd
Current assignee: Wuhu Lanren Intelligent Technology Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2021-10-01
Anticipated expiration: 2040-05-11
Also published as: CN111702379A

Abstract

The invention relates to a garbage can shell internal and external welding device integrating internal welding and external welding functions, which comprises an expansion assembly for internally supporting a garbage can shell, wherein a limiting ring for limiting the diameter of the garbage can shell is arranged outside the garbage can shell, and the welding of a longitudinal seam of the garbage can shell is divided into two types of internal welding and external welding, and the two types of internal welding and external welding are mutually converted. The expansion assembly and the limiting ring are used for circularly limiting the garbage can shell rolled into a barrel shape, so that the opening of the garbage can shell is aligned to form a welding line, and then the garbage can shell is quickly welded through the bidirectional welding gun; still through the annular guide rail and the first seat that removes that set up the liftable, drive double-end welder and look for the welding seam at the garbage bin outer wall and from upwards ascending completion from outside welding down, inside welding is at first butt joint each other through the first butt joint guide rail on first removal seat and the second butt joint guide rail on the inside arc guide rail for inside the locomotive drives double-end welder and removes the garbage bin, and the inside welding of completion that rises under the effect of lifting seat.

Description

Inner and outer welding device for garbage can shell integrating inner welding function and outer welding function

Technical Field

The invention relates to the field of garbage can processing, in particular to an inner and outer welding device for a garbage can shell, which integrates the functions of inner welding and outer welding.

Background

In the garbage bin shell manufacture process, divide into production processes such as material loading, edge rolling, welding, shaping, spray paint, wherein: the rolling and welding seam are key production processes. The traditional rolling production process of the tubbiness article generally comprises the following steps: selecting proper raw materials, shearing and blanking according to the design size of the barrel body, chopping the sheared barrel body plates into a stack, manually separating the stack plates into single plates, sending the single plates to a rolling machine, rolling the barrel body on the rolling machine, spot-welding the rolled barrel body on a spot welding machine, and then jointing on a seam welding machine.

At present, the mill of preparation tubbiness article mostly adopts general type welding machine to carry out the operation of weld joint, this kind of welding machine at first needs the spot welder to carry out spot welding when using and accomplishes the counterpoint of weld joint, need the manual work to shift to the whole welding of carrying out the longitudinal joint on this kind of welding machine afterwards, whole process step is many, and is inefficient, causes the waste of time, this kind of welding that can only carry out the outside welding seam simultaneously, can't carry out the welding of inboard direction, lead to the appearance pleasing to the eye easily, the pin volume is not good.

Disclosure of Invention

The invention provides an inner and outer welding device for a garbage can shell, which integrates the functions of inner welding and outer welding, and aims to meet the requirements of rapid welding and welding of the inner side and the outer side of the garbage can shell after rolling.

The technical problem to be solved by the invention is realized by adopting the following technical scheme:

the utility model provides an interior welding of collection and outer welding function in interior welding of garbage bin shell of an organic whole, including be used for carrying out the expansion subassembly that props in the garbage bin shell and with the concentric limit ring that sets up of this expansion subassembly, the garbage bin shell inserts after preliminary edge rolling the welding seam that is extruded and aligns at the opening part formation after aligning between expansion subassembly and the limit ring the outside of limit ring is provided with the outer welding subassembly of liftable and drives double-end welder and welds the welding seam from the outside, perhaps by the switching module that sets up on the outer welding subassembly drives on the double-end welder moves the interior welding subassembly of the inside below of garbage bin shell, and by liftable the interior welding subassembly drives double-end welder carries out the welding of welding seam from the garbage bin shell is inside.

The outer welding assembly comprises a liftable annular guide rail detachably connected with the limiting ring, the annular guide rail is sleeved outside the garbage can shell, and a first moving seat for driving the double-head welding gun to move in a surrounding mode along the garbage can shell is arranged above the annular guide rail.

The inner welding assembly comprises an arc-shaped guide rail arranged below the inner portion of the garbage can shell, a longitudinal guide rail capable of moving horizontally is arranged on the arc-shaped guide rail, a lifting seat is arranged on the longitudinal guide rail, and the lifting seat drives the double-end welding gun to weld an inner longitudinal seam.

The switching assembly comprises a first butt-joint guide rail arranged on the first moving seat, and the first butt-joint guide rail is clamped with a second butt-joint guide rail on the lifting seat to form a transversely moving switching guide rail for switching the inner guide rail and the outer guide rail of the double-head welding gun by a moving vehicle on the first moving seat.

The lifting device is characterized by further comprising a base, wherein the annular guide rail is lifted along the upright post on the side face of the base under the action of the first hydraulic cylinder.

The first movable seat drives a gear fixed by an output shaft to rotate in an annular tooth groove of the annular guide rail through a built-in first motor to realize that the first movable seat moves around the shell of the garbage can in an annular mode.

The upper surface of the first moving seat is fixedly connected with the first butt-joint guide rail, the side surface of the lifting seat is fixedly connected with the second butt-joint guide rail, one end of the first butt-joint guide rail is arranged to be convex, one end of the second butt-joint guide rail is arranged to be concave, the convex is matched with the concave correspondingly, the center of the surface of the first butt-joint guide rail and the center of the surface of the second butt-joint guide rail are both provided with moving tooth grooves, T-shaped rolling grooves are formed in two sides of each moving tooth groove, the moving vehicle drives gears of the output shafts to roll in the moving tooth grooves through second motors on the side surfaces, and the moving wheels at four corners of the moving vehicle are driven to roll along the rolling grooves to achieve horizontal movement of the moving vehicle.

The vertical guide rail comprises a second moving seat and a vertical guide rail, the second moving seat drives a gear of an output shaft through a right-angle corner motor to roll in a rack of the arc-shaped guide rail and drive the gear to move along the arc-shaped guide rail, the side face of the vertical guide rail is slidably provided with the lifting seat, the lifting seat drives the gear to move along a vertical tooth groove of the vertical guide rail through a third motor, and the side face convex block of the lifting seat is driven to move along a T-shaped groove in the side face of the vertical guide rail to realize lifting.

The expansion assembly comprises an annular frame fixed to the center of the base through a straight rod, a plurality of groups of moving rods are arranged on the outer wall of the annular frame in a penetrating and sliding mode, outer supporting pieces are arranged at the outer ends of the moving rods, trapezoidal feet are arranged at the inner ends of the moving rods, springs are arranged on the outer wall of each moving rod in a sleeved mode and located between the trapezoidal feet and the inner wall of the annular frame, a round table is arranged below the center of the annular frame, the round table extrudes the moving rods through the pushing of a second hydraulic cylinder, and the ends of the trapezoidal feet move towards the outer side of the annular frame to push the outer supporting pieces to support the inner portion of the garbage can shell.

The upper surface of the annular guide rail is fixedly connected with a cylinder, the cylinder is penetrated through by a bolt, the bolt is positioned on two sides of the cylinder and is screwed with nuts for locking, and the front end of the bolt is clamped with the limiting ring.

The invention has the beneficial effects that: the expansion assembly and the limiting ring are arranged to limit the garbage can shell rolled into a barrel shape in a circular mode, so that the opening of the garbage can shell is aligned to form a welding line, then the garbage can shell is quickly welded through the bidirectional welding gun, and the limiting ring can be automatically selected and replaced according to different diameters of the garbage can, so that the garbage can shell is suitable for garbage cans of different specifications.

The double-head welding gun is driven to find a welding seam on the outer wall of the garbage can and ascend from bottom to top to complete welding from the outside by arranging the liftable annular guide rail and the first moving seat, the internal welding is firstly butted with the second butting guide rail on the internal arc-shaped guide rail through the first butting guide rail on the first moving seat, so that the moving vehicle drives the double-head welding gun to move into the garbage can and ascend under the action of the lifting seat to complete internal welding, and the welding in two different directions of the inside and the outside can meet different requirements.

Drawings

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

FIG. 1 is an overall perspective view of the present invention;

FIG. 2 is a first perspective view of the endless track of the present invention;

FIG. 3 is a second perspective view of the circular guide of the present invention;

FIG. 4 is a perspective view of the outer weld assembly of the present invention;

FIG. 5 is a schematic perspective view of the dolly of the invention;

FIG. 6 is a partially cut away perspective view of the expansion assembly of the present invention;

FIG. 7 is a schematic view of a portion of a welding track of the present invention;

FIG. 8 is a schematic illustration of the switching guide rail interface of the present invention;

FIG. 9 is a perspective view of the inner weld assembly of the present invention;

FIG. 10 is a perspective view of the arcuate guide of the present invention;

figure 11 is a perspective view of the lift block of the present invention.

In the figure: 1. a base; 11. a first hydraulic cylinder; 12. a column; 2. an expansion assembly; 21. an annular frame; 22. a straight rod; 23. a travel bar; 24. an outer support sheet; 25. a trapezoidal leg; 26. a spring; 27. a circular truncated cone; 28. a second hydraulic cylinder; 3. a confinement ring; 31. a cylinder; 32. a bolt; 33. a nut; 4. externally welding the components; 41. an annular guide rail; 411. an annular gullet; 42. a first movable base; 421. a first motor; 5. an inner welding component; 51. an arc-shaped guide rail; 511. a rack; 52. a longitudinal guide rail; 521. a second movable base; 5211. a right-angle corner motor; 522. a vertical guide rail; 5221. a vertical gullet; 5222. a T-shaped groove; 53. lifting the seat; 531. a second docking guide; 532. a third motor; 533. a bump; 6. a switching component; 61. a first docking rail; 611. moving the tooth socket; 612. a rolling groove; 62. a mobile vehicle; 621. a second motor; 622. a moving wheel; 7. double-end welder.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be described more clearly and more completely with reference to the drawings in the following embodiments, and it is understood that the described embodiments are only a part of the present invention, rather than all of the present invention, and based on the embodiments, other embodiments obtained by those skilled in the art without inventive exercise are within the protection scope of the present invention.

As shown in fig. 1-11, an interior and exterior welding device for a trash can shell integrating interior welding and exterior welding functions comprises an expansion assembly 2 for internally supporting the trash can shell and a limiting ring 3 concentrically arranged with the expansion assembly 2, the trash can shell is inserted between the expansion assembly 2 and the limiting ring 3 after being preliminarily rolled into a circle and then is extruded after being aligned, and an aligned welding seam is formed at an opening, a liftable exterior welding assembly 4 is arranged outside the limiting ring 3 to drive a double-head welding gun 7 to weld the welding seam from the outside, or a switching assembly 6 arranged on the exterior welding assembly 4 drives the double-head welding gun 7 to move onto an interior welding assembly 5 below the interior of the trash can shell, and the liftable interior welding assembly 5 drives the double-head welding gun 7 to weld the welding seam from the interior of the trash can shell.

The outer welding component 4 comprises a liftable annular guide rail 41 detachably connected with the limiting ring 3, the annular guide rail 41 is sleeved outside the garbage can shell, and a first moving seat 42 for driving the double-head welding gun 7 to move in a surrounding mode along the garbage can shell is arranged above the annular guide rail 41.

The internal welding assembly 5 comprises an arc-shaped guide rail 51 arranged below the inner part of the shell of the garbage can, a longitudinal guide rail 52 capable of moving horizontally is arranged on the arc-shaped guide rail 51, a lifting seat 53 is arranged on the longitudinal guide rail 52, and the lifting seat 53 drives the double-head welding gun 7 to weld the inner longitudinal seam.

The switching assembly 6 includes a first butt rail 61 disposed on the first movable seat 42, and the first butt rail 61 is engaged with a second butt rail 531 on the lifting seat 53 to form a laterally moving switching rail for the movable carriage 62 on the first movable seat 42 to switch the inner and outer rails of the double-headed welding gun 7.

The lifting device also comprises a base 1, and an annular guide rail 41 is lifted along the upright post 12 on the side surface of the base 1 under the action of the first hydraulic cylinder 11. The inner wall of the upright post 12 is provided with a lifting groove, one end of the annular guide rail 41 is provided with a T-shaped sliding plate, and the sliding plate is pushed by the first hydraulic cylinder 11 to lift along the lifting groove

The first moving seat 42 drives the gear fixed by the output shaft to rotate in the annular tooth slot 411 of the annular guide rail 41 through the built-in first motor 421 so as to realize the annular movement around the garbage can shell. The output shaft gear of first motor 421 and the tooth's socket of ring rail 41 all set up in the below, and the top of output shaft still is provided with the limiting plate, and this limiting plate is at the upper surface of arc guide 51 and removes along with the drive of first motor 421, and the fixed first butt-joint guide rail 61 that is provided with on this limiting plate.

First butt joint guide rail 61 is fixedly connected with to first removal seat 42 upper surface, the side fixedly connected with second butt joint guide rail 531 of lifting seat 53, the one end of first butt joint guide rail 61 sets up to the arch, the one end of second butt joint guide rail 531 sets up to sunken, and this arch and sunken corresponding adaptation, removal tooth's socket 611 has all been seted up to the surperficial central point department of first butt joint guide rail 61 and second butt joint guide rail 531, and the rolling groove 612 of T shape has all been seted up to the both sides of this removal tooth's socket 611, locomotive 62 drives the gear of output shaft through the second motor 621 of side and rolls in removing tooth's socket 611, the horizontal migration that realizes locomotive 62 is rolled along rolling groove 612 to the removal wheel 622 that drives four corners of locomotive 62. The protrusion of the first butt-joint guide rail 61 is arranged in a splayed shape, the groove of the second butt-joint guide rail 531 is arranged in a splayed shape, the groove is gradually reduced from top to bottom, the bottommost part of the groove is in adaptive insertion connection with the protrusion of the first butt-joint guide rail 61, the grooves are mutually attached to form a completed switching guide rail, the moving vehicle 62 drives the gear of the output shaft through the second motor 621 to roll in the moving tooth groove 611 to drive the moving wheel 622 of the moving vehicle 62 to roll along the rolling groove 612 in the T shape, switching of the inner guide rail and the outer guide rail is realized, and the double-head welding gun 7 is changed in position.

The longitudinal guide rail 52 comprises a second moving seat 521 and an upright guide rail 522 which are arranged below, the second moving seat 521 drives a gear of an output shaft to roll in a rack 511 of the arc-shaped guide rail 51 through a right-angle motor 5211 to drive the second moving seat to move along the arc-shaped guide rail 51, a lifting seat 53 is arranged on the side surface of the upright guide rail 522 in a sliding manner, the lifting seat 53 drives the gear to move along an upright tooth groove 5221 of the upright guide rail 522 through a third motor 532, and a side surface bump 533 of the lifting seat 53 is driven to move along a side surface T-shaped groove 5222 of the upright guide rail 522 to realize lifting. The right-angle motor 5211 of the second movable base 521 rolls in the rack 511 of the arc track through the gear of the output shaft, so as to drive the vertical guide rail 522 and the lifting base 53 to find a weld seam along the arc guide rail 51 and align with the outside, the third motor 532 of the lifting base 53 rolls along the vertical tooth slot 5221 of the vertical guide rail 522 through the gear of the output shaft, so as to drive the lifting base 53 to ascend and descend along the vertical guide rail 522, the lifting base 53 drives the second butt-joint guide rail 531, the movable trolley 62 and the double-head welding gun 7 to ascend and descend to complete the internal welding, and the back surface of the arc guide rail 51 is mounted on one straight rod 22 of the expansion assembly 2.

The expansion assembly 2 comprises an annular frame 21 fixed at the center of the base 1 through a straight rod 22, a plurality of groups of moving rods 23 are arranged on the outer wall of the annular frame 21 in a penetrating and sliding mode, outer supporting pieces 24 are arranged at the outer ends of the moving rods 23, trapezoidal feet 25 are arranged at the inner ends of the moving rods 23, springs 26 are sleeved on the outer wall of the moving rods 23 and located between the trapezoidal feet 25 and the inner wall of the annular frame 21, a circular table 27 is arranged below the center of the annular frame 21, the circular table 27 pushes the ends of the trapezoidal feet 25 of the moving rods 23 to move towards the outer side of the annular frame 21 through the pushing of a second hydraulic cylinder 28, and the outer supporting pieces 24 are pushed to carry out inner supporting on the garbage can shell. The second hydraulic cylinder 28 pushes up, make the trapezoidal foot 25 that round platform 27 promoted each carriage release lever 23 outwards remove, the outside support piece 24 of opposite side of carriage release lever 23 outwards removes and carries out the support in different position to the inner wall of garbage bin shell, make the opening part of garbage bin paste automatically and lean on the formation welding seam of alignment of limiting ring 3 inner wall, the second hydraulic cylinder 28 descends, under the effect of spring 26, the inside of annular frame 21 is retrieved into to the carriage release 23 is automatic, leave and conveniently put in the garbage bin shell with the clearance between the limiting ring 3, wherein two the bottom that sets up relatively among a plurality of outer support pieces 24 is provided with the layer board and is used for bearing the bottom of garbage bin shell, the height that its arc guide 51 is far less than the layer board guarantees that double-end welding gun 7 can switch smoothly.

The upper surface of the annular guide rail 41 is fixedly connected with a cylinder 31, the cylinder 31 is penetrated by a bolt 32, nuts 33 are screwed on two sides of the cylinder 31 of the bolt 32 for locking the bolt, and the front end of the bolt 32 is clamped with a limiting ring 3. The front end of bolt 32 sets up to the T shape, the groove of T shape is seted up to the lower surface of limit ring 3, thereby limit ring 3 carries out the joint through the groove of T shape to bolt 32 front end, realize the fixed and support to limit ring 3 position, bolt 32 runs through cylinder 31, and both ends all set up nut 33 around and, a length for adjusting bolt 32, make the limit ring 3 of different diameters all can with centre of a circle and the central coincidence of expansion subassembly 2, the limit ring 3 of different diameters is changed in the cooperation, process the garbage bin shell of different diameters, the height of limit ring 3 is higher than stud welding gun 7's height.

When in use: a user selects the diameter of the matched limiting ring 3 according to the diameter of the garbage can, the notch of the limiting ring 3 is clamped with the T-shaped outer end of the bolt 32, then the two nuts 33 on the bolt 32 are screwed, the position of the bolt 32 on the cylinder 31 is adjusted, the center of the limiting ring 3 is coincided with the center of the expansion assembly 2, namely the center of the limiting ring 3 is coaxial with the center of the circular table 27, the limiting ring 3 is kept horizontal, the two nuts 33 are screwed, the position of the bolt 32 is fixed, and the limiting ring 3 is fixed.

The rolled garbage can shell is placed in the gap between the limiting ring 3 and the expansion assembly 2, so that the outer wall of the garbage can shell is attached to the limiting ring 3, then the second hydraulic cylinder 28 is started to push the circular truncated cone 27 to move upwards, the upwards moving of the circular truncated cone 27 pushes the trapezoidal foot 25 end of the moving rod 23 to move outwards, so that the moving rod 23 moves outwards along the annular frame 21, the other end outer supporting sheet 24 of the moving rod 23 extrudes the garbage can shell, so that the garbage can shell is limited in the limiting ring 3, and the welding seams of the garbage can shell are forced to be aligned into a straight line. When the in-process of puting in needs carry out internal weld, notice when puting in place the opening part of garbage bin shell in the region that arc guide rail 51 corresponds, otherwise upright guide rail 522 can't remove and contact vertical welding seam, can't weld, when adopting external weld, make things convenient for double-end welder 7's welding in the outside of placing the opening part of garbage bin as far as possible.

When external welding is carried out: starting a first motor 421 on a first moving seat 42, wherein the first motor 421 moves in an annular tooth socket 411 of an annular guide rail 41 through an output shaft gear to drive the first moving seat 42 to move towards a welding seam, a double-head welding gun 7 is fixed above the first moving seat 42 through a first butt-joint guide rail 61 and a moving vehicle 62, the first moving seat 42 drives the double-head welding gun 7 to move relative to the welding seam, when the double-head welding gun 7 moves to the welding seam, a first hydraulic cylinder 11 is started, the first hydraulic cylinder 11 firstly lowers the whole annular guide rail 41 and all equipment on the annular guide rail 41 to the lowest part to enable the double-head welding gun 7 to contact the lowest end of the welding seam, then the moving vehicle 62 is started to drive the double-head welding gun 7 to abut against the welding seam and start the double-head welding gun 7 to weld the welding seam, meanwhile, the first hydraulic cylinder 11 pushes the annular guide rail 41 to move upwards to drive the double-head welding gun 7 to gradually weld from the lowest end of the welding seam upwards, and welding the shell of the garbage can till the top.

During internal welding: the first movable base 42 is started to drive the double-end welding gun 7 to find the welding seam position in the moving range of the arc-shaped guide rail 51, the second movable base 521 inside drives the longitudinal guide rail 52 to move the position of the required welding seam, the first movable base 521 and the longitudinal guide rail 52 are respectively positioned at the front side and the rear side of the welding seam when finding the welding seam position, then the first hydraulic cylinder 11 is started to lower the annular guide rail 41 to enable the first butt guide rail 61 on the annular guide rail 41 to be butted with the second butt guide rail 531 on the arc-shaped guide rail 51 to form a switching guide rail, then the second motor 621 of the movable trolley 62 is started to drive the movable wheel 622 to move along the rolling groove 612, the first butt guide rail 61 outside is moved to the second butt guide rail 531 inside, then the lifting base 53 is started, the third motor 532 of the lifting base 53 rolls along the vertical tooth groove 5221 of the vertical guide rail 522, and the movable trolley 62 and the double-end welding gun 7 are driven to weld upwards from the lowest position inside the welding seam, the welding task of the shell of the garbage can from the inside is completed, and the appearance is more attractive due to the fact that the welding is not performed from the outside.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a collect interior welding and weld function in the interior outer welding set of garbage bin shell of an organic whole outward which characterized in that: the garbage can comprises an expansion assembly (2) used for internally supporting a garbage can shell and a limiting ring (3) concentrically arranged with the expansion assembly (2), the garbage can shell is inserted between the expansion assembly (2) and the limiting ring (3) after being preliminarily rolled, and then is extruded and forms an aligned welding seam at an opening, a liftable external welding assembly (4) is arranged outside the limiting ring (3) to drive a double-end welding gun (7) to weld the welding seam from the outside, or a switching assembly (6) arranged on the external welding assembly (4) drives the double-end welding gun (7) to move onto an internal welding assembly (5) below the inside of the garbage can shell, and the liftable internal welding assembly (5) drives the double-end welding gun (7) to weld the welding seam from the inside of the garbage can shell; the outer welding assembly (4) comprises a liftable annular guide rail (41) detachably connected with the limiting ring (3), the annular guide rail (41) is sleeved outside the garbage can shell, and a first moving seat (42) for driving the double-head welding gun (7) to move in a surrounding manner along the garbage can shell is arranged above the annular guide rail (41); the inner welding assembly (5) comprises an arc-shaped guide rail (51) arranged below the inner part of the garbage can shell, a longitudinal guide rail (52) capable of moving horizontally is arranged on the arc-shaped guide rail (51), a lifting seat (53) is arranged on the longitudinal guide rail (52), and the lifting seat (53) drives the double-head welding gun (7) to weld an inner longitudinal seam; the switching assembly (6) comprises a first butt-joint guide rail (61) arranged on the first moving seat (42), and the first butt-joint guide rail (61) is clamped with a second butt-joint guide rail (531) on the lifting seat (53) to form a transversely moving switching guide rail for switching the inner guide rail and the outer guide rail of the double-head welding gun (7) by a moving vehicle (62) on the first moving seat (42); the upper surface of the first movable seat (42) is fixedly connected with the first butt-joint guide rail (61), the side surface of the lifting seat (53) is fixedly connected with the second butt-joint guide rail (531), one end of the first butt-joint guide rail (61) is arranged to be convex, one end of the second butt-joint guide rail (531) is arranged to be concave, the protrusion is correspondingly matched with the recess, the centers of the surfaces of the first butt joint guide rail (61) and the second butt joint guide rail (531) are respectively provided with a movable tooth socket (611), and both sides of the movable tooth socket (611) are provided with T-shaped rolling grooves (612), the moving vehicle (62) drives the gear of the output shaft to roll in the moving tooth groove (611) through the second motor (621) on the side surface, and drives the moving wheels (622) at the four corners of the moving vehicle (62) to roll along the rolling groove (612) so as to realize the horizontal movement of the moving vehicle (62).

2. The inner and outer welding device for the shell of the garbage can integrating the inner welding function and the outer welding function as a whole as claimed in claim 1, characterized in that: the lifting device is characterized by further comprising a base (1), wherein the annular guide rail (41) is lifted along the upright post (12) on the side face of the base (1) under the action of the first hydraulic cylinder (11).

3. The inner and outer welding device for the shell of the garbage can integrating the inner welding function and the outer welding function as a whole as claimed in claim 1, characterized in that: the first moving seat (42) drives a gear with a fixed output shaft to rotate in an annular tooth groove (411) of the annular guide rail (41) through a built-in first motor (421) to realize the annular movement of the first moving seat around the shell of the garbage can.

4. The inner and outer welding device for the shell of the garbage can integrating the inner welding function and the outer welding function as a whole as claimed in claim 1, characterized in that: the vertical guide rail (52) comprises a second moving seat (521) and an upright guide rail (522) which are arranged below, the second moving seat (521) drives a gear of an output shaft to roll in a rack (511) of the arc guide rail (51) through a right-angle corner motor (5211) to drive the second moving seat to move along the arc guide rail (51), the side surface of the upright guide rail (522) is provided with the lifting seat (53) in a sliding manner, the lifting seat (53) drives the gear to move along an upright tooth groove (5221) of the upright guide rail (522) through a third motor (532), and a side lug (533) of the lifting seat (53) is driven to move along a T-shaped groove (5222) in the side surface of the upright guide rail (522) to realize lifting.

5. The inner and outer welding device for the shell of the garbage can integrating the inner welding function and the outer welding function as a whole as claimed in claim 1, characterized in that: expansion subassembly (2) are including fixing annular frame (21) at base (1) central authorities through straight-bar (22), and the outer wall of this annular frame (21) runs through and slides and is provided with multiunit carriage release lever (23), and the outer end of this carriage release lever (23) is provided with outer brace (24), and the inner is provided with trapezoidal foot (25), just the outer wall cover of carriage release lever (23) is equipped with spring (26) and is located trapezoidal foot (25) with between annular frame (21) inner wall, the central authorities below of annular frame (21) is provided with round platform (27), and this round platform (27) are through the promotion extrusion each of second pneumatic cylinder (28) carriage release lever (23) trapezoidal foot (25) end to the annular frame (21) outside is removed, promotes outer brace (24) carry out the internal stay to the garbage bin shell.

6. The inner and outer welding device for the shell of the garbage can integrating the inner welding function and the outer welding function as a whole as claimed in claim 1, characterized in that: the upper surface of the annular guide rail (41) is fixedly connected with a cylinder (31), the cylinder (31) is penetrated through by a bolt (32), the bolt (32) is positioned on two sides of the cylinder (31) and is screwed with nuts (33) for locking, and the front end of the bolt (32) is clamped with the limiting ring (3).