CN218745849U

CN218745849U - Rotary welding mechanism for corner piece of container corner post

Info

Publication number: CN218745849U
Application number: CN202223097254.9U
Authority: CN
Inventors: 蒋开; 王斐; 邓建春
Original assignee: Jiangsu Hongkai Industrial Automation Equipment Co ltd
Current assignee: Jiangsu Hongkai Industrial Automation Equipment Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-03-28
Anticipated expiration: 2032-11-22

Abstract

The utility model discloses a container corner post corner fitting rotary welding mechanism, including the base station, automatic welder, mobile device and corner post conveyor, corner post corner fitting rotary positioning device and welding subassembly conveyor that parallel mount on the base station of fixed mounting on the base station, the mobile device includes the fixed chassis that sets up, movably install the translation jacking device on the chassis, the translation jacking device is suitable for moving the corner post on the corner post conveyor to corner post corner fitting rotary positioning device and welding subassembly conveyor; the corner post corner fitting rotary positioning device comprises fixing seats and positioning assemblies rotatably installed between the two fixing seats, and rotary driving assemblies are installed on the fixing seats and used for driving the positioning assemblies to rotate. The utility model provides realize the autogiration welding of angle post angle piece when improving angle post angle piece positioning accuracy, reduce workman training cost, improve welding quality and efficiency.

Description

Rotary welding mechanism for corner piece of container corner post

Technical Field

The utility model relates to a container production technical field especially relates to a container corner post corner fittings spin welding mechanism.

Background

In the container production process, need to weld two horns at the both ends of a horn post, the horn post has open-ended dysmorphism section bar for the cross section, and the horn piece is the cube metalwork to outer terminal surface is equipped with waist type fabrication hole, has two mutually perpendicular's welding joints during both weldings, receives the interference of horn post shape, adopts the unable welding of accomplishing two welding joints of ordinary welding robot. Therefore, the process mainly relies on manual positioning welding at present, after the corner post is conveyed to the station, the corner post and the corner fitting are placed on the workbench, the size marked on the workbench in advance is firstly used as the length limit of the welding assembly, the corner fitting is placed at two ends of the corner post in an aligning mode, two workers are needed to complete the welding, one welding seam is firstly completed, and then the second welding seam is welded after the corner post is turned over. When the workman is operating, not only will overturn the corner post corner fittings subassembly that has certain weight, still will guarantee the length precision of welding the subassembly, waste time and energy, and it is higher to workman's technical merit requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art's weak point and provide a container corner post corner fittings spin welding mechanism, design locating component guarantees corner post corner fittings positioning accuracy, realizes the autogiration welding of corner post corner fittings simultaneously, reduces workman's training cost, improves welding quality and efficiency.

Realize the utility model discloses purpose technical scheme is:

a container corner post corner fitting rotary welding mechanism comprises a base station, an automatic welding device, a moving device, a corner post conveying device, a corner post corner fitting rotary positioning device and a welding assembly conveying device, wherein the automatic welding device and the moving device are fixedly arranged on the base station, the corner post conveying device, the corner post corner fitting rotary positioning device and the welding assembly conveying device are arranged on the base station in parallel; the corner post and corner piece rotating and positioning device comprises fixed seats which are oppositely arranged along the conveying direction and are fixedly arranged on a base platform, and a positioning assembly which is rotatably arranged between the two fixed seats and is suitable for positioning the corner post and the corner piece, wherein a rotating driving assembly is arranged on the fixed seats and is suitable for driving the positioning assembly to rotate; the automatic welding device is suitable for welding and fixing the corner columns and the corner pieces on the positioning assembly.

Further, the structure of corner post conveyor and welding group spare conveyor is the same, including the carriage of fixed setting, one side of carriage is equipped with a plurality of conveying rollers along length direction interval rotation, the one end fixed mounting of carriage has conveying motor, conveying motor's output with the conveying roller transmission is connected.

Furthermore, guide rails arranged in parallel are fixedly installed on the bottom frame, a sliding block is arranged on the guide rails in a sliding mode, the translation jacking device comprises a middle frame fixedly installed on the sliding block, a moving block is fixedly installed at the bottom of the middle frame, a first motor is fixedly installed on the base platform, the output end of the first motor is fixedly connected with a lead screw, the other end of the lead screw is rotatably installed on the bottom frame, and the moving block is sleeved on the lead screw and is in threaded connection with the lead screw; the middle frame is provided with jacking mechanisms which are distributed perpendicular to the guide rails, and the jacking mechanisms comprise jacking assemblies which are symmetrically arranged at two ends of the middle frame.

Furthermore, a mounting seat is fixedly connected between the middle frame and the sliding block, an L-shaped mounting groove with an opening facing the first motor is formed in the mounting seat, a dust cover is covered above the guide rail, and the edge of the dust cover is clamped in the L-shaped mounting groove.

Furthermore, jacking mechanisms are parallelly arranged in two groups, the angle column conveying device, the angle column corner piece rotating and positioning device and the welding assembly conveying device are distributed at equal intervals, and the distance between the angle column corner piece rotating and positioning device and the distance between the two groups of jacking mechanisms are the same.

Further, the jacking subassembly includes the cylinder mounting panel with middle frame fixed connection, fixed mounting has the jacking cylinder on the cylinder mounting panel, the vertical upwards setting of piston rod of jacking cylinder, and the top fixedly connected with jacking board of piston rod, the both ends symmetry fixed mounting multiunit mounting hole of jacking board, there is limit stop through bolt detachably fixed mounting on the mounting hole.

Furthermore, the fixed seat is rotatably provided with a turntable, the positioning assembly comprises a cross rod, two ends of the cross rod are respectively and eccentrically and fixedly connected with the two turntables, the same side of the two ends of the cross rod is fixedly provided with a base, the base is vertically and fixedly provided with an angle piece positioning plate, two sides of the angle piece positioning plate are detachably and symmetrically fixedly provided with angle piece limiting plates, and an angle piece locking assembly arranged on the angle piece positioning plate is arranged between the two angle piece limiting plates; and one side of the corner piece positioning plate, which is close to the center of the cross rod, is vertically and fixedly provided with a corner post positioning plate.

Further, two be equipped with corner post support piece between the base, corner post support piece includes corner post supporting seat and the perpendicular fixed mounting on the corner post supporting seat of fixed mounting on the horizontal pole and with the corner post limits the corner post limiting plate that the phase place aligns is limited to the corner post.

Furthermore, the rotary driving assembly comprises a first chain wheel which is coaxially arranged with the rotary disc and is arranged on the peripheral surface of one of the rotary discs, the fixed seat is correspondingly provided with a second motor, the output end of the second motor is coaxially and fixedly provided with a second chain wheel which is positioned on the same plane as the first chain wheel, and a chain is arranged between the first chain wheel and the second chain wheel in a surrounding manner.

Furthermore, automatic welder is including the frame of fixed setting and install at the frame top and be located the welding robot of corner post corner fittings rotational positioning device both ends top respectively.

By adopting the technical scheme, the utility model discloses following beneficial effect has:

(1) The utility model discloses a set up the corner post that the mobile device carried corner post conveyor and remove to corner post corner fittings rotary positioning device on, fix a position the back to corner post corner fittings through locating component, accomplish the welding back to one of them welding seam by automatic welder, the rotary drive subassembly drives locating component and rotates certain angle, show out another welding seam, weld by automatic welder, after the welding is accomplished, the mobile device continues to remove corner post corner fittings welding assembly to welding assembly conveyor, and carry to next process, corner post corner fittings positioning accuracy has both been guaranteed, realize the automatic spin welding of corner post corner fittings simultaneously, reduce workman training cost, improve welding quality and efficiency.

(2) The utility model discloses a conveying motor drive conveying roller rotates to the automatic circulation of the work piece of placing on the conveying roller is realized, and the structure is succinct, and is with low costs.

(3) The utility model discloses a first motor drive lead screw rotates, drives the middle frame of fixed mounting on the movable block and steadily slides along the guide rail to the removal of jacking subassembly, and then realize the horizontal lateral shifting of work piece, adopt the lead screw as the driving medium, guaranteed displacement's precision, make falling on the particular position that the work piece can be stable.

(4) The utility model discloses be equipped with the dust cover, avoid the foreign matter to fall into on the guide rail of bottom, cause the removal jamming.

(5) The utility model discloses the climbing mechanism parallel is equipped with two sets ofly, and an action can remove two work pieces simultaneously, improves work piece circulation efficiency.

(6) The utility model discloses the jacking subassembly passes through the reciprocating of jacking cylinder realization jacking board to lift up the work piece, the limit stop of jacking board both sides can avoid the work piece to drop at the in-process that removes, sets up a plurality of mounting holes simultaneously, realizes that limit stop's position is adjustable, satisfies the transfer of the work piece of different widths.

(7) The utility model discloses a locating component passes through the angle piece locating plate and guarantees that the whole length of angle post angle piece welding subassembly is unanimous, guarantees through angle piece limiting plate, angle post locating plate that angle post and angle piece align along length direction to be equipped with angle piece locking Assembly and fix the angle piece, realize the frock location, reduce the technical requirement to the workman, the simplified operation improves welding quality.

(8) The utility model discloses a set up corner post support piece, for the middle part of corner post provides the strong point, avoid the great corner post of length to take place downwarping deformation because of the dead weight.

(9) The utility model discloses the rotation driving subassembly passes through the second motor and drives the second sprocket rotation to drive the rotation with the coaxial fixed carousel that links to each other of second sprocket through the chain, and then realize driving the locating component and rotate, the structure is succinct, and the rotation is stable.

(10) The utility model discloses all be equipped with welding robot at corner post corner fittings rotational positioning device both ends, can carry out welded fastening to the corner fitting at corner post both ends simultaneously, improve production efficiency.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings, in which:

fig. 1 is a perspective view of the present invention;

FIG. 2 is a schematic structural view of the corner post corner fitting rotary positioning device of the present invention;

fig. 3 is a schematic structural view of the rotary driving assembly of the present invention;

fig. 4 is a perspective view of the mobile device of the present invention;

fig. 5 is a schematic structural view of the mobile device of the present invention for removing the dust cover.

The reference numbers in the drawings are:

the device comprises a base platform 1, an automatic welding device 2, a rack 2-1, a welding robot 2-2, a moving device 3, an underframe 3-1, a guide rail 3-2, a sliding block 3-3, an intermediate frame 3-4, a moving block 3-5, a first motor 3-6, a screw rod 3-7, a cylinder mounting plate 3-8, a jacking cylinder 3-9, a jacking plate 3-10, a limit stop 3-11, a mounting seat 3-12, an L-shaped mounting groove 3-12-1, a dust cover 3-13, an angle post conveying device 4, a conveying frame 4-1, a conveying roller 4-2, a conveying motor 4-3, an angle post angle piece rotating and positioning device 5, a fixing seat 5-1, a rotary table 5-2, a cross rod 5-3, a base 5-4, an angle piece positioning plate 5-5, an angle piece limiting plate 5-6, a locking component 5-7, an angle post positioning plate 5-8, an angle post supporting component 5-9, an angle post supporting seat 5-9-1, an angle post limiting plate 5-9-2, a second motor 5-10, a chain positioning plate and a conveying device.

Detailed Description

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

(example 1)

The container corner post corner fitting rotary welding mechanism shown in fig. 1 to 5 comprises a base platform 1, an automatic welding device 2 fixedly installed on the base platform 1, a moving device 3, a corner post conveying device 4, a corner post corner fitting rotary positioning device 5 and a welding assembly conveying device 6, wherein the corner post conveying device 4, the corner post corner fitting rotary positioning device 5 and the welding assembly conveying device 6 are arranged in parallel and at intervals, the corner post conveying device 4 is used for conveying a corner post to the side edge of the corner post corner fitting rotary positioning device 5, the moving device 3 is fixedly installed below the corner post corner fitting rotary positioning device 5 and is used for transferring workpieces on the corner post conveying device 4 and the corner post corner fitting rotary positioning device 5 to the corner post corner fitting rotary positioning device 5 and the welding assembly conveying device 6 respectively, the corner post corner fitting rotary positioning device 5 is used for positioning and rotating the corner post and the corner fitting, and the automatic welding device 2 is used for welding a welding seam between the corner post and the corner fitting.

Specifically, the automatic welding device 2 comprises a rack 2-1 fixedly arranged and a welding robot 2-2 which is arranged at the top of the rack 2-1 and is respectively positioned above two ends of the corner post corner piece rotating and positioning device 5, and can weld and fix corner pieces at two ends of a corner post at the same time, so that the production efficiency is improved.

The corner post conveying device 4 and the welding component conveying device 5 are oppositely arranged and have the same structure, the corner post conveying device 4 is taken as an example and comprises a conveying frame 4-1, a conveying roller 4-2 and a conveying motor 4-3, the conveying frame 4-1 is fixedly arranged on a base station 1, the conveying roller 4-2 is arranged on the inner side of the top of the conveying frame 4-1 in a rotating mode at intervals in parallel along the length direction of the conveying frame 4-1, so that a conveying platform is formed, the conveying motor 4-3 is fixedly arranged at the front end of the conveying frame 4-1, and the output end of the conveying motor is in transmission connection with the conveying roller 4-2, so that the conveying roller 4-2 is driven to rotate synchronously.

The corner post corner piece rotating and positioning device 5 comprises two fixed seats 5-1, two rotating discs 5-2, two positioning assemblies and a rotating driving assembly, wherein the two fixed seats 5-1 are oppositely and fixedly arranged on the base station 1 along the conveying direction, and the two rotating discs 5-2 are also arranged and are respectively and rotatably arranged on the fixed seats 5-1. The positioning assembly comprises a cross rod 5-3, two ends of the cross rod are respectively and eccentrically and fixedly connected with the two turntables, the same side of the two ends of the cross rod 5-3 is fixedly provided with a base 5-4, the base 5-4 is vertically and fixedly provided with an angle piece positioning plate 5-5, two sides of the angle piece positioning plate 5-5 are detachably and symmetrically fixedly provided with angle piece limiting plates 5-6, and an angle piece locking assembly 5-7 arranged on the angle piece positioning plate 5-5 is arranged between the two angle piece limiting plates 5-6. The corner fitting locking assembly 5-7 comprises a rotating shaft rotatably mounted on a corner fitting positioning plate 5-5, a waist-shaped process hole is formed in the outer end face of the corner fitting, a waist-shaped plate matched with the waist-shaped process hole is arranged at one end of the rotating shaft, a locking sleeve in threaded connection is sleeved at the other end of the rotating shaft, when the corner fitting is placed at the corner fitting positioning plate 5-5, the waist-shaped plate is just inserted into the process hole, the rotating shaft is rotated to enable the waist-shaped plate to be staggered with the process hole, and then the locking sleeve is rotated to achieve locking of the corner fitting. One side of the corner piece positioning plate close to the center of the cross rod 5-3 is vertically and fixedly provided with a corner post positioning plate 5-8. The middle part of the cross bar 5-3 is provided with a corner post support part 5-9 for providing a support point for the middle part of the corner post, the corner post support part 5-9 comprises a corner post support seat 5-9-1 fixedly arranged on the cross bar 5-3 and a corner post limit plate 5-9-2 vertically and fixedly arranged on the corner post support seat 5-9-1 and aligned with the corner post limit plate 5-7, so that the corner post with larger length is prevented from being bent downwards due to self weight.

The rotary driving assembly is positioned at the front end of the corner post corner piece rotary positioning device 5 and comprises a first chain wheel, a second motor 5-10, a second chain wheel and a chain 5-11, wherein the first chain wheel is coaxially and fixedly installed on the outer peripheral surface of the turntable 5-2 positioned at the front end, the second motor 5-10 is positioned below the first chain wheel and fixedly installed on a fixed seat 5-1, the second chain wheel is coaxially and fixedly installed at the output end of the second motor 5-10 and positioned in the same longitudinal plane with the first chain wheel, and the chain 5-11 is arranged between the first chain wheel and the second chain wheel in a surrounding mode, so that the second motor 5-10 drives the turntable 5-2 to rotate, and the positioning assembly is driven to rotate.

The moving device 3 comprises an underframe 3-1 fixedly installed on the base platform 1, a guide rail 3-2 which is arranged in parallel and is vertical to the conveying direction is fixedly installed on the underframe 3-1, a sliding block 3-3 is arranged on the guide rail 3-2 in a sliding mode, and a translation jacking device is arranged on the sliding block 3-3. The translation jacking device comprises a middle frame 3-4 fixedly arranged on the sliding block, a moving block 3-5 is fixedly arranged at the bottom of the middle frame 3-4, a first motor 3-6 is fixedly arranged on the base platform 1, the output end of the first motor 3-6 is fixedly connected with a screw rod 3-7, the other end of the screw rod 3-7 is rotatably arranged on the bottom frame 3-1, and the moving block 3-5 is sleeved on the screw rod 3-7 and is in threaded connection with the screw rod 3-7, so that the first motor 3-6 drives the middle piece 3-4 to move transversely.

The middle frames 3-4 are provided with two sets of jacking mechanisms which are distributed perpendicular to the guide rails, the two sets of jacking mechanisms are arranged in parallel, the angle post conveying device 4, the angle post corner piece rotating and positioning device 5 and the welding assembly conveying device 6 are distributed at equal intervals, the distance between the two sets of jacking mechanisms is the same, the two workpieces can be moved simultaneously through one-time action of the jacking mechanisms, and the workpiece circulation efficiency is improved. The jacking mechanism comprises jacking assemblies symmetrically arranged at two ends of the middle frame 3-4, each jacking assembly comprises a cylinder mounting plate 3-8 fixedly connected with the middle frame 3-4, a jacking cylinder 3-9 is fixedly arranged on each cylinder mounting plate 3-8, a piston rod of each jacking cylinder 3-9 is vertically and upwards arranged, a jacking plate 3-10 is fixedly connected to the top end of each piston rod, a plurality of groups of mounting holes are symmetrically and fixedly arranged at two ends of each jacking plate 3-10, limit stops 3-11 are detachably and fixedly arranged on the mounting holes through bolts, workpieces are prevented from falling off the jacking plates 3-10, spacing adjustment of the limit stops 3-11 is achieved, and placement of corner posts with different width specifications is met.

In order to avoid moving clamping stagnation caused by falling of foreign matters onto the guide rail 3-2, in the embodiment, the mounting seat 3-12 is fixedly connected between the middle frame 3-4 and the sliding block 3-3, the mounting seat 3-12 is provided with an L-shaped mounting groove 3-12-1 with an opening facing the first motor 3-6, the dust cover 3-13 is covered above the guide rail, and the edge of the dust cover 3-13 is clamped in the L-shaped mounting groove 3-12-1 to realize fixation.

The workflow of this embodiment: the corner post conveying device 4 conveys corner posts which are flowed to specific positions, at the moment, the jacking cylinders 3-9 act, the jacking plates 3-10 are inserted into the intervals among the conveying rollers 4-2 to lift the corner posts, the first motors 3-6 are started to drive the middle frames 3-4 to move transversely, the corner posts are moved to the upper portions of the cross rods 5-3, piston rods of the jacking cylinders 3-9 retract, the corner posts are placed on the positioning assemblies and are manually placed on the positioning assemblies and locked, the welding robots 2-2 weld and fix the corner pieces at two ends at the same time, and after welding is completed, the moving device 3 repeatedly acts to move workpieces to the welding assembly conveying device 6 and the workpieces are flowed to a next process. Because this embodiment has two climbing mechanisms, in actual production, can move the work piece on corner post conveyor 4 and the corner post corner fitting rotational positioning device 5 to corner post corner fitting rotational positioning device 5 and welding subassembly conveyor 6 respectively simultaneously, production efficiency is high. The positioning assembly is designed to ensure the positioning precision of the corner post corner fitting, meanwhile, the automatic rotary welding of the corner post corner fitting is realized, the transverse automatic circulation of a workpiece is realized through the moving device 3, the training cost of workers is reduced, the labor intensity of the workers is reduced, and the welding quality and efficiency are improved.

The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a container corner post corner fitting spin welding mechanism which characterized in that: the automatic welding device comprises a base platform, an automatic welding device fixedly installed on the base platform, a moving device, an angle column conveying device, an angle column corner piece rotating and positioning device and a welding assembly conveying device which are installed on the base platform in parallel, wherein the moving device comprises a bottom frame fixedly arranged below the angle column corner piece rotating and positioning device; the corner post and corner piece rotating and positioning device comprises fixed seats which are oppositely arranged along the conveying direction and are fixedly arranged on a base platform, and a positioning assembly which is rotatably arranged between the two fixed seats and is suitable for positioning the corner post and the corner piece, wherein a rotating driving assembly is arranged on the fixed seats and is suitable for driving the positioning assembly to rotate; the automatic welding device is suitable for welding and fixing the corner post and the corner fitting on the positioning assembly.

2. A container corner post and corner fitting spin weld mechanism as claimed in claim 1, wherein: the angle post conveyor is the same with welding set conveyor's structure, including fixed carriage and the rotation that sets up install in carriage one side and along a plurality of conveying rollers of length direction interval setting, the one end fixed mounting of carriage has conveying motor, conveying motor's output with the conveying roller transmission is connected.

3. A container corner post corner fitting spin weld mechanism as claimed in claim 2, wherein: the bottom frame is fixedly provided with guide rails which are arranged in parallel, the guide rails are provided with sliding blocks in a sliding manner, the translation jacking device comprises a middle frame fixedly arranged on the sliding blocks, the bottom of the middle frame is fixedly provided with a moving block, the base station is fixedly provided with a first motor, the output end of the first motor is fixedly connected with a lead screw, the other end of the lead screw is rotatably arranged on the bottom frame, and the moving block is sleeved on the lead screw and is in threaded connection with the lead screw; the middle frame is provided with jacking mechanisms which are distributed perpendicular to the guide rails, and the jacking mechanisms comprise jacking assemblies which are symmetrically arranged at two ends of the middle frame.

4. A container corner post corner fitting spin weld mechanism as claimed in claim 3, wherein: the middle frame is fixedly connected with the sliding block through a mounting seat, an L-shaped mounting groove with an opening facing the first motor is formed in the mounting seat, a dust cover is covered above the guide rail, and the edge of the dust cover is clamped in the L-shaped mounting groove.

5. A container corner post corner fitting spin weld mechanism as claimed in claim 3, wherein: the jacking mechanisms are arranged in two groups in parallel, the angle column conveying devices, the angle column corner piece rotating and positioning devices and the welding component conveying devices are distributed at equal intervals, and the distance between the angle column corner piece rotating and positioning devices and the distance between the two groups of jacking mechanisms are the same.

6. A container corner post and corner fitting spin weld mechanism as claimed in claim 3, wherein: the jacking assembly comprises a cylinder mounting plate fixedly connected with the middle frame, a jacking cylinder is fixedly mounted on the cylinder mounting plate, a piston rod of the jacking cylinder is vertically and upwards arranged, a jacking plate is fixedly connected to the top end of the piston rod, multiple groups of mounting holes are symmetrically and fixedly mounted at two ends of the jacking plate, and limit stops are fixedly mounted on the mounting holes through bolts in a detachable mode.

7. A container corner post corner fitting spin weld arrangement according to any one of claims 1 to 6, wherein: the corner fitting locking device comprises a fixed seat, a positioning assembly and a corner fitting locking assembly, wherein the fixed seat is rotatably provided with a turntable, the positioning assembly comprises a cross rod, two ends of the cross rod are respectively eccentrically and fixedly connected with the two turntables, the same side of the two ends of the cross rod is fixedly provided with a base, the base is vertically and fixedly provided with a corner fitting positioning plate, two sides of the corner fitting positioning plate are detachably and symmetrically fixedly provided with corner fitting limiting plates, and the corner fitting locking assembly arranged on the corner fitting positioning plate is arranged between the two corner fitting limiting plates; and one side of the corner fitting positioning plate, which is close to the center of the cross rod, is vertically and fixedly provided with a corner post positioning plate.

8. A container corner post corner fitting spin weld mechanism as claimed in claim 7, wherein: two be equipped with corner post support piece between the base, corner post support piece includes corner post supporting seat and the perpendicular fixed mounting of fixed mounting on the corner post supporting seat on the horizontal pole and with the corner post limit plate that the corner post limit plate aligns.

9. A container corner post corner fitting spin weld mechanism as claimed in claim 7, wherein: the rotary driving assembly comprises a first chain wheel which is coaxially arranged with the rotary disc and is arranged on the outer peripheral surface of one of the rotary discs, the rotary driving assembly is corresponding to the first chain wheel, a second motor is arranged on the fixed seat, the output end of the second motor is coaxially and fixedly provided with a second chain wheel which is positioned on the same plane with the first chain wheel, and a chain is arranged between the first chain wheel and the second chain wheel in a surrounding mode.

10. A container corner post corner fitting spin weld arrangement according to any one of claims 1 to 6, wherein: the automatic welding device comprises a fixedly arranged rack and welding robots which are arranged on the top of the rack and are respectively positioned above two ends of the corner post corner piece rotating and positioning device.