CN113478159A

CN113478159A - Head welding equipment

Info

Publication number: CN113478159A
Application number: CN202110808955.XA
Authority: CN
Inventors: 毛斌; 刘波
Original assignee: Chengdu Pan Tuogu Technology Co ltd
Current assignee: Chengdu Pan Tuogu Technology Co ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2021-10-08
Anticipated expiration: 2041-07-16
Also published as: CN113478159B

Abstract

The invention relates to the technical field of end socket welding, and particularly discloses end socket welding equipment which comprises a rotary table, wherein at least two end socket positioning fixtures are symmetrically arranged on the rotary table around a rotation center, two welding robots are arranged on one side of the rotary table, disc positioning fixtures corresponding to the end socket positioning fixtures in number are arranged on the rotary table, each end socket positioning fixture is arranged corresponding to one disc positioning fixture, a support frame is arranged at the top of the rotary table, the disc positioning fixtures are fixedly arranged on the support frame, the disc positioning fixtures are used for positioning a disc on an end socket, a jacking cylinder is arranged at the bottom of each support column, and the jacking cylinder is used for jacking the support columns. The invention has the advantages that the rotary table is provided with a plurality of stations, each station is provided with the seal head positioning fixture and the disc positioning fixture, welding can be carried out during feeding and blanking by arranging the stations, welding efficiency is provided, manual welding is replaced, and manufacturing cost is reduced.

Description

Head welding equipment

Technical Field

The invention relates to the technical field of end socket welding, in particular to end socket welding equipment.

Background

The LNG gas cylinder seal head is a product pulled out by a die and has a large diameter specification, the diameter and the height of the seal head have large errors, the maximum diameter error is 5 mm, and the height error is 4 mm. Many accessories need to be welded on the end socket, the error of the end socket is limited to be large, the end socket cannot be accurately positioned, and automatic welding of equipment cannot be carried out. The existing seal head welding mode is manual welding of a professional pressure container welding technician, the production efficiency is low, the production cost is high, and an automatic seal head welding device is urgently needed by manufacturers.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides end socket welding equipment.

The purpose of the invention is realized by the following technical scheme: the utility model provides an end socket welding equipment, includes the revolving platform, be provided with two at least head positioning fixture around the centre of rotation symmetry on the revolving platform, one side of revolving platform is provided with two welding robot, be provided with the disc positioning fixture that corresponds with head positioning fixture number on the revolving platform, every head positioning fixture corresponds the setting with a disc positioning fixture, the top of revolving platform is provided with the support frame, the equal fixed mounting of disc positioning fixture is on the support frame, disc positioning fixture is used for fixing a position the disc on the head.

The disc positioning fixture comprises a first guide rail, a lifting cylinder, a rotating shaft and a positioning cylinder, wherein the first guide rail is vertically fixed on the support frame, the first guide rail is provided with a lifting block in a sliding mode, the output end of the lifting cylinder is connected with the lifting block, a support plate is arranged on the lifting block, the rotating plate is provided with the rotating shaft in a rotating mode, the positioning cylinder is arranged at the bottom of the rotating shaft, and the positioning cylinder is located above the end socket positioning fixture.

Specifically, be provided with telescopic cylinder on the elevator, the slip is provided with the mounting panel in the backup pad, telescopic cylinder's output is connected on the mounting panel, the pivot sets up on the mounting panel.

Specifically, be provided with the axle sleeve on the mounting panel, the pivot rotates and sets up in the axle sleeve, the top of pivot is provided with rotary joint, rotary joint's rotatory end is connected with the pivot, states rotary joint's stiff end and is connected with the mounting panel.

Specifically, be provided with spacing cylinder on the mounting panel, be provided with the stopper in the pivot, set up spacing hole on the stopper, spacing hole corresponds with spacing cylinder.

The head positioning fixture comprises a supporting column, a supporting platform is arranged at the top of the supporting column, a self-centering mechanism is arranged on the supporting column, the self-centering mechanism centers the head, the self-centering mechanism comprises a rotating sleeve, the rotating sleeve is arranged on the supporting column, a plurality of clamping mechanisms are arranged on the rotating sleeve in a circumferential array mode, the plurality of clamping mechanisms synchronously center and clamp the head along the radial movement of the head, a horizontal positioning mechanism is arranged on the self-centering mechanism and used for clamping and positioning the plane of the head, a jacking cylinder is arranged at the bottom of the supporting column and used for jacking the supporting column.

Specifically, the supporting platform is provided with a plurality of mounting seats in a circumferential array mode, and the mounting seats are provided with idler wheels.

Specifically, clamping mechanism includes that the circumference array sets up four connecting rods on rotating the cover, the one end of connecting rod with it is articulated to rotate the cover, the other end of connecting rod articulates there is the removal seat, still includes the guide rail and drives actuating cylinder, be provided with the slider on removing the seat, slider and guide rail sliding connection, the output that drives actuating cylinder with remove the seat and be connected, and the output moving direction that drives actuating cylinder is parallel with the guide rail, be provided with the stand on removing the seat, the inboard of stand is provided with the locating piece.

Specifically, horizontal positioning mechanism includes die clamping cylinder, die clamping cylinder fixes on the stand, die clamping cylinder's output is articulated with the one end of depression bar, the middle part of depression bar is articulated with the stand, the other end of depression bar is provided with the briquetting.

The device comprises a rotating sleeve, a supporting table, a driving gear, a rotating supporting table, a guide rail, a driving cylinder, a support frame, a sliding ring and a jacking cylinder, wherein the supporting table is rotatably provided with the driving gear; the supporting platform is arranged on the rotary table.

The invention has the following advantages:

1. according to the invention, the rotary table is provided with a plurality of stations, each station is provided with the end socket positioning fixture and the disc positioning fixture, after the end socket is clamped and positioned by the end socket positioning fixture, the disc and the end socket are positioned and clamped by the disc positioning fixture, and the plurality of stations can be arranged for welding during loading and unloading, so that the welding efficiency is improved, manual welding is replaced, and the manufacturing cost is reduced.

2. The end socket positioning fixture with high-precision positioning is arranged, the end socket positioning fixture can be welded with a welding robot in a matching mode, the production efficiency is improved, the end socket positioning fixture clamping mechanisms are arranged on the rotating sleeve, the four clamping mechanisms are respectively driven by the driving cylinders, the driving cylinders drive the moving seat to move along the guide rail, the rotating sleeve can be driven to rotate around the supporting columns, the actions of the four clamping mechanisms can be kept consistent, the end socket centering precision is higher, the upper end face of the end socket is abutted to the lower surfaces of the four pressing blocks through the jacking cylinders after the horizontal positioning mechanism and the clamping mechanisms clamp the end socket, the positioning block can be adjusted slightly in the process to adapt to the horizontal positioning of the end socket, the four driving cylinders are ventilated and clamped after the end socket is horizontally positioned, the clamping is finished, the centering and the horizontal positioning of the end socket are accurate, and the stroke of the jacking cylinders remains, the height error of the end socket is compensated by the stroke of the jacking cylinder.

Drawings

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

FIG. 2 is a schematic view of the overall structure of the disc positioning jig of the present invention;

FIG. 3 is a schematic structural view of a clamping disc of the disc positioning clamp of the present invention;

FIG. 4 is a schematic structural view of the head positioning jig of the present invention;

FIG. 5 is a schematic view of the rotary driving structure of the head positioning jig of the present invention;

in the figure: 1-supporting column, 2-rotating sleeve, 3-connecting rod, 4-driving cylinder, 5-moving seat, 6-sliding block, 7-guide rail, 8-upright column, 9-clamping cylinder, 10-compression bar, 11-supporting table, 12-pressing block, 13-supporting platform, 14-mounting seat, 15-roller, 16-positioning block, 17-jacking cylinder, 18-end socket, 19-rotary table, 20-end socket positioning clamp, 21-welding robot, 22-disc positioning clamp, 23-supporting frame, 24-first guide rail, 25-lifting cylinder, 26-lifting block, 27-supporting plate, 28-mounting plate, 29-telescopic cylinder, 30-rotary joint, 31-limiting block, 32-limiting cylinder, 33-shaft sleeve, 34-rotating shaft, 35-positioning cylinder, 36-circumferential positioning device, 37-disc, 38-driving gear, 39-rotary supporting table, 40-driving motor, 41-driving gear, 42-bracket and 43-slip ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following.

As shown in fig. 1-5, an end socket welding equipment, including revolving platform 19, be provided with two at least end socket positioning fixture 20 around revolving centrosymmetric on the revolving platform 19, one side of revolving platform 19 is provided with two welding robot 21, be provided with the disc positioning fixture 22 that corresponds with end socket positioning fixture 20 number on the revolving platform 19, every end socket positioning fixture 20 corresponds the setting with a disc positioning fixture 22, the top of revolving platform 19 is provided with support frame 23, and support frame 23 sets up on rotatory center, the equal fixed mounting of disc positioning fixture 22 is on support frame 23, disc positioning fixture 22 is used for fixing a position disc 37 on end socket 18. The invention sets a plurality of seal head positioning clamps 20 on the rotary table 19, clamps the seal head 18 to be welded through the seal head positioning clamps 20, wherein, two welding robots 21 are arranged on one side of the rotary table 19, when the rotary table 19 drives the seal head positioning clamps 20 to move to the stations at the positions of the two welding robots 21, the disc 37 is welded on the seal head 18 through the two welding robots 21, the seal head positioning clamp 20 which is not on the welding station can clamp the seal head 18, thus after the seal head welding is completed, the rotary table 19 can move the clamped seal head 18 to the welding station by rotating, thus the welding can be carried out when loading and unloading are carried out, the two welding robots 21 are simultaneously arranged, the welding efficiency is improved, in the embodiment, two seal head positioning clamps 20 are preferably arranged, the cost and the space can be saved, and the cost control is maximized, in this embodiment, the rotary table 19 is driven by the RV reducer and the driving motor, the output end of the driving motor is connected with the input end of the RV reducer, the output end of the RV reducer drives the rotary table 19 to rotate, and the rotary table is heavy, generally about two tons, and cannot be accurately positioned by conventional mechanical limitation, so that the driving motor and two welding robots 21 can be communicated, the rotary error of the rotary table can be avoided by automatic calculation, and the welding quality of the seal head 18 is improved.

Further, disc positioning fixture 22 include first guide rail 24, lift cylinder 25, pivot 34 and location cylinder 35, first guide rail 24 vertical fix on support frame 23, it is provided with elevator 26 to slide on first guide rail 24, lift cylinder 25's output is connected with elevator 26, be provided with backup pad 27 on elevator 26, it is provided with pivot 34 to rotate on backup pad 27, location cylinder 34 sets up the bottom of pivot 34, location cylinder 34 is located head positioning fixture 20's top. After the end socket 18 is clamped by the end socket positioning fixture 20, a disc 37 to be welded and the end socket 18 need to be positioned, the disc 37 is welded at the central position of the end socket 18, the disc 37 is clamped by the positioning cylinder 34 during use, a positioning hole is formed in the center of the disc 37, the positioning cylinder 34 adopts a pneumatic clamping claw cylinder, the output end of the pneumatic clamping claw cylinder extends into the central hole of the disc 37, then the pneumatic clamping claw cylinder is started to enable the pneumatic clamping claw cylinder to tension the central hole, the disc 37 is clamped, and then the lifting block 26 is driven to descend by controlling the lifting cylinder 25, so that the disc 37 descends and is attached to the end socket 18, and the positioning and clamping of the disc 37 can be completed.

Further, be provided with telescopic cylinder 29 on the elevator 26, the slip is provided with mounting panel 28 on the backup pad 27, telescopic cylinder 29's output is connected on mounting panel 28, pivot 34 sets up on mounting panel 28. In order to enable the end socket 18 to have a larger operation space during clamping, in the embodiment, the mounting plate 28 is arranged on the supporting plate 28 in a sliding mode, the mounting plate 28 is connected with the supporting plate 28 in a sliding mode through the sliding rail and sliding block mechanism, the mounting plate 28 is driven through the telescopic cylinder 29, and then the rotating shaft 34 is arranged on the mounting plate 28, so that when the end socket 18 is clamped, the lifting cylinder 25 works to drive the lifting block 26 to rise to the highest position, and then the telescopic cylinder 29 retracts to enable the positioning cylinder 34 to be close to the supporting frame 23 and to be far away from the position right above the end socket 18, so that the space above the end socket positioning clamp 20 is left, the end socket 18 is convenient to clamp, and as the size and the weight of the end socket are larger, auxiliary tools such as a truss car are needed to clamp, so that a space is needed to be arranged above the end socket positioning clamp 20, and interference is avoided.

Further, be provided with axle sleeve 33 on the mounting panel 28, pivot 34 rotates and sets up in axle sleeve 33, the top of pivot 34 is provided with rotary joint 30, rotary joint 30's rotatory end is connected with pivot 34, and the stiff end that states rotary joint is connected with mounting panel 28. When the seal head 18 and the disc 37 are welded, the seal head positioning fixture 20 needs to rotate circumferentially, so that the seal head 18 and the disc 37 can be welded only by being matched with the two welding robots 21, when the seal head 18 and the disc 37 rotate synchronously, so that the disc 37 rotates, the positioning cylinder 34 needs to rotate synchronously, in the embodiment, the mounting plate 28 is provided with the shaft sleeve 33, one end of the shaft sleeve 33 is provided with the connecting flange and is mounted on the mounting plate 28 through the connecting flange, then the rotating shaft 34 is sleeved in the shaft sleeve 33 and is rotatably connected with the shaft sleeve 33 through the bearing, and the shaft sleeve 33 extends out of two ends of the rotating shaft 34, so that the positioning cylinder 34 is fixed at the bottom of the rotating shaft 34 and can drive the positioning cylinder 34 to rotate along with the rotation when the seal head 18 and the disc 37 rotate; a circumferential positioning device 36 is further arranged on the positioning cylinder 34 or the rotating shaft 34, and since the periphery of the disc 37 is provided with a notch, the notch needs to be avoided for welding when automatic welding is performed, so that the angle of the disc 37 needs to be positioned, namely, the position of the notch is determined, the disc 37 is provided with a positioning hole, then a support plate is arranged, the support plate is provided with two positioning columns, the support plate is fixed on the positioning cylinder 34 or the rotating shaft 34, when the disc 37 is clamped, the two positioning columns extend into the positioning hole, the two positioning columns are clamped in the positioning hole, and the disc 37 and the positioning cylinder 34 cannot rotate relatively after being clamped, so that the position of each clamping of the disc 37 is fixed, the angle is also positioned, and the welding robot 21 can be matched for welding; because the disc 37 is clamped by the positioning cylinder 35, the positioning cylinder 35 needs an air passage for air supply, and the positioning cylinder 35 rotates during operation, in order to avoid the air passage from being mixed, in this embodiment, a rotary joint 30 is arranged at the top of a rotating shaft 34, the air is supplied to the positioning cylinder 35 by the rotary joint 30, the air passage output end of the rotary joint 30 is connected with an air pipe, the air pipe penetrates through an inner cavity of the rotating shaft 34 to be connected with the positioning cylinder 35 for air supply, the rotating shaft 34 is hollow and provides a passage through which the air pipe penetrates, the rotating end of the rotary joint 30 is fixedly connected with the rotating shaft 34, the fixed end of the rotary joint 30 is connected with the mounting plate 28, a bracket can be arranged on the mounting plate 28, a support rod is arranged on the fixed end of the rotary joint 30, a clamping groove is arranged on the bracket, and the support rod is clamped into the clamping groove of the bracket for limiting, such a limiting manner facilitates the mounting and dismounting of the rotary joint 30.

Further, be provided with spacing cylinder 32 on the mounting panel 28, be provided with stopper 31 on the pivot 34, set up spacing hole on the stopper 31, spacing hole corresponds with spacing cylinder 32. In order to ensure the accuracy of the welding in situ, a limiting cylinder 32 is arranged on the mounting plate 28, a limiting block 31 is correspondingly arranged on the rotating shaft 34, an output shaft of the limiting cylinder 32 extends into a limiting hole of the limiting block 31 for limiting, and after the disc 37 and the end socket 18 rotate and are welded for a circle, the output shaft of the limiting cylinder 32 extends out of the limiting hole inserted into the limiting block 31 and cannot rotate, so that the accuracy of the welding in situ is ensured.

Further, the seal positioning fixture 20 comprises a support column 1, a support platform 13 is arranged at the top of the support column 1, a self-centering mechanism is arranged on the support column 1, the self-centering mechanism centers the seal 18, the self-centering mechanism comprises a rotating sleeve 2, the rotating sleeve 2 is sleeved on the support column 1, a plurality of clamping mechanisms are arranged on the rotating sleeve 2 in a circumferential array manner, the plurality of clamping mechanisms synchronously move along the radial direction of the seal 18 to center and clamp the seal 18, a horizontal positioning mechanism is arranged on the self-centering mechanism and clamps and positions the plane of the seal 18, a jacking cylinder 17 is arranged at the bottom of the support column 1, the jacking cylinder 7 is used for jacking the support column 1, the clamping mechanism comprises four connecting rods 3 arranged on the rotating sleeve 2 in a circumferential array manner, one end of each connecting rod 3 is hinged to the rotating sleeve 2, the other end of connecting rod 3 articulates there is removal seat 5, still includes guide rail 7 and drives actuating cylinder 4, be provided with slider 6 on the removal seat 5, slider 6 and guide rail 7 sliding connection, the output that drives actuating cylinder 4 is connected with removal seat 5, and drives actuating cylinder 4's output moving direction and be parallel with guide rail 7, be provided with stand 8 on the removal seat 5, the inboard of stand 8 is provided with locating piece 16, and the inboard is one side that stand 8 is close to head 18. The seal head 18 of the LNG cylinder needs to be welded with a plurality of accessories when being welded, is limited by large error of the seal head 18, cannot accurately position the seal head 18, has large welding error when equipment is automatically welded, has deviation of welding seams, is easy to cause welding defects, can need repair welding after welding, has high production cost, the seal head 18 of the LNG cylinder is a product pulled out by a mould, has large error in diameter and height of the seal head 18, has the maximum diameter error of 5 mm and the height error of 4mm, the existing seal head 18 clamp performs center positioning and plane positioning clamping on the seal head 18 by pressing a limiting pressure head by a pressing cylinder, the limiting pressure head is in an L-shaped structure, generally adopts three limiting pressure heads which are distributed in an equilateral triangle to clamp the seal head 18, because the rigidity of the seal head 18 is very weak, the friction force of support rings at the bottoms of the seal head 18 and the seal head 18 is very large, when a workpiece is centered after the pressing cylinder presses, the side edge of the limiting pressure head extrudes the seal head 18, a workpiece is also subjected to the action of friction force of the bottom support ring, the workpiece deforms and is attached to the pressure head, effective positioning is not achieved, when the diameter of the seal head 18 has an error, the side wall of the limiting pressure head cannot contact the workpiece to cause a positioning error, and when the seal heads 18 with different specifications and diameters are positioned, the positions of the three limiting pressure heads need to be adjusted manually, based on the embodiment, in order to solve the problem that a clamp is easy to cause the positioning error when the diameter of the seal head 18 has the error, the seal head 18 is clamped in a self-adaptive positioning mode, specifically, a rotating sleeve 2 is sleeved on a support column 1, the rotating sleeve 2 can rotate in the circumferential direction and move in the axial direction, a driving cylinder 4 and a guide rail 7 are fixed on welding equipment, the positions of the driving cylinder 4 are fixed, the driving cylinder 4 works to drive a moving seat 5 to move along the guide rail 7, the guide rail 7 is arranged along the radial direction of the rotating sleeve, so that the driving cylinder 4 can drive an upright post 8 arranged on the moving seat 5 to move in the radial direction, because the movable seat 5 is connected with the rotary sleeve 2 through the connecting rod 3, when the movable seat 5 moves along the guide rail 7, the movable seat 5 pulls the connecting rod 3 to drive the rotary sleeve 2 to move, four driving cylinders 4 work simultaneously in the embodiment, because the movable seats 5 of four clamping mechanisms are all connected with the rotary sleeve 2 through the connecting rod 3, four upright posts 8 can be driven to synchronously move along the guide rail 7 when the four driving cylinders 4 work, and further clamp the end socket 18, the central positioning of the end socket 18 is ensured, the end sockets 18 with different diameters can be self-adaptive to clamping, the four movable seats 5 are driven by the driving cylinders 4, because the single-power driving connecting rod structure is influenced by the self error of the connecting rod mechanism, the clamping force of each positioning limiting block 16 is different, workpieces can be positioned askew

Further, the circumference array is provided with a plurality of mount pads 14 on supporting platform 13, be provided with gyro wheel 15 on the mount pad 14, mount pad 14 in this embodiment is provided with four, sets up two lugs on the mount pad 14, and the gyro wheel rotates and sets up between two lugs, and head 18 places on gyro wheel 15 when head 18 carries out the clamping, reduces the friction with supporting platform when head 18 clamping removes, has avoided the deformation that head 18 location takes place.

When the driving cylinder 4 drives the upright post 8 to clamp the seal head 18, the positioning block 16 is contacted with the seal head 18 for clamping.

Further, horizontal positioning mechanism includes die clamping cylinder 9, die clamping cylinder 9 is fixed on stand 8, die clamping cylinder 9's output is articulated with the one end of depression bar 10, the middle part of depression bar 10 is articulated with stand 8, the other end of depression bar 10 is provided with briquetting 12. The horizontal positioning mechanism is used for horizontally positioning the top of the end socket 18, during clamping, the clamping cylinder 9 drives the pressure rod 10 to rotate around a position hinged with the upright post 8 to enable the pressure block 12 to press downwards, the pressure block 12 presses downwards to be abutted to the horizontal plane of the end socket 18, the four clamping cylinders 9 simultaneously drive the pressure block 12 to press downwards to be abutted to the horizontal plane of the end socket 18, so that the end socket 18 can be clamped, when the clamping cylinder 9 drives the pressure block 12 to press downwards, the positioning block 16 limits the position of the pressure block 12, the positioning block 16 is positioned below the pressure block 12 to enable the bottom surfaces of the four pressure blocks 12 to be same in height, so that the levelness of the end socket 18 can be ensured, a strip-shaped sliding groove along the length direction of the pressure rod 10 is arranged at one end, connected with the output end of the clamping cylinder 9, of the pressure rod 10, a sliding rod is arranged at the output end of the clamping cylinder 9, the sliding rod is arranged in the sliding groove, so that the sliding rod can be driven to slide in the strip-shaped sliding groove when the output end of the clamping cylinder 9 extends, which in turn can drive the strut 10 to rotate about the hinge point with the upright 8.

Because the height error of the end socket 18 is usually 0-4 mm, the bottom surface of the pressing block 12 is unchanged, if the top plane of the centrally positioned end socket 18 is lower than the bottom surface of the pressing block 12, so that the pressing block 12 cannot be pressed on the end socket 18 to horizontally position the end socket, the existing clamp is turned and pressed by 4 turning cylinders, but the height of the end socket has an error, the turning angles of 4 claws are different, and the end socket cannot be leveled, in the example, the position of the pressing block 12 is unchanged, then the end socket 18 is lifted by the lifting cylinder 17 to make the top of the end socket 18 contact with the bottom surfaces of four pressing blocks 12, so that the horizontal positioning can be performed after the centering, if the end socket 18 is initially placed and centered and clamped, the lifting cylinder 17 lifts the supporting column 1 to make the top of the end socket 18 contact with the bottom surfaces of four pressing blocks 12, the posture of the end socket 18 can be adjusted in the process of lifting cylinder 17 supporting column 1 making the top of the end socket 18 contact with the bottom surfaces of the four pressing blocks 12, because the projection size of the end socket 18 to the horizontal plane changes when the inclination is adjusted to the horizontal plane, if the positions of the four positioning blocks 16 can not be changed, the end socket 18 can be deformed, so that the positions of the four positioning blocks 16 can be adjusted in a self-adaptive manner in the adjustment process of the end socket 18, a three-position five-way medium-leakage electromagnetic valve is adopted to control the four driving cylinders 4, the four positioning blocks 16 are driven to clamp the end socket 18 in the central positioning process, then the clamping cylinder 9 drives the pressing block 12 to be pressed downwards to the proper position, at the moment, the clamping force of the four positioning blocks 16 is released by controlling the three-position five-way medium-leakage electromagnetic valve to release air pressure, then the jacking cylinder 17 jacks the supporting column 1 to enable the upper end face of the end socket 18 to be propped against the lower surfaces of the four pressing blocks 12, the positioning blocks 16 can be slightly adjusted in the process to adapt to the horizontal positioning of the end socket 18, and then the four driving cylinders 4 are ventilated and clamped after the end socket 18 is horizontally positioned to the proper position, therefore, clamping is completed, centering and horizontal positioning of the seal head 18 are accurate, allowance is reserved for the stroke of the jacking cylinder 17, and the height error of the seal head 18 is made up by the stroke of the jacking cylinder 17.

Further, the device comprises a supporting table 11, a driving gear 38 is rotatably arranged on the supporting table 11, a rotary supporting table 39 is arranged on the driving gear 38, the rotary supporting table 39 is sleeved on the rotating sleeve 2 and is rotatably connected through a bearing, a driving motor 40 is arranged on the supporting table 11, a driving gear 41 is arranged at the output end of the driving motor 40, the driving gear 41 is meshed with the driving gear 38, the guide rail 7 and the driving cylinder 4 are fixed at the top of the rotary supporting table 39, a support 42 is arranged at the bottom of the supporting table 11, a sliding ring 43 is arranged on the support 42, and the rotating end of the sliding ring 43 is connected with the jacking cylinder 17; the support table 11 is provided on a turntable 19. In the embodiment, the supporting platform 11 is arranged on the rotary platform 19, then a groove is arranged on the supporting platform 11, the driving gear 38 is arranged in the groove, the driving gear 38 and the supporting platform 11 can rotate relatively, then the rotary supporting platform 39 and the driving gear 38 are fixedly connected, so that the driving gear 41 is driven to rotate by the driving motor 40, the rotary supporting platform 39 can be driven to rotate by the driving gear 38, the guide rail 7 and the driving cylinder 4 are fixed on the rotary supporting platform 39, so that the rotary supporting platform 39 can drive the guide rail 7 and the driving cylinder 4 to rotate together, and further the rotary sleeve 2 is driven to rotate by the connecting rod 3, because the rotary sleeve 2 is sleeved in the rotary supporting platform 39 and is connected by the bearing in a rotating way, the connecting rod can easily drive the rotary sleeve 2 to rotate, the seal head 18 is clamped and pressed on the roller 15 by the horizontal positioning mechanism and the clamping mechanism, and the seal head 18 can be driven to rotate when the rotary supporting platform 39 rotates, because the seal head 18 is pressed on the roller 15, the seal head 18 and the roller 15 have larger friction force, so that the seal head 18 rotates to drive the support column 1 to rotate, the bottom of the support table 11 is provided with a support 42, the support 42 is provided with a sliding ring 43 and is connected with the jacking cylinder 17 through the sliding ring 43, the sliding ring 43 is used for inputting an air source to the cylinder, and the jacking cylinder 17 can be connected with the rotary support table 39; the whole seal head positioning clamp 20 can be driven to rotate to match with the welding robot 21 for welding by arranging the driving motor 40 to drive the driving gear 38.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art can make numerous possible variations and modifications to the described embodiments, or modify equivalent embodiments, without departing from the scope of the invention. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.

Claims

1. The utility model provides a head welding equipment which characterized in that: including revolving platform (19), be provided with two at least head positioning fixture (20) around gyration central symmetry on revolving platform (19), one side of revolving platform (19) is provided with two welding robot (21), be provided with disc positioning fixture (22) that correspond with head positioning fixture (20) number on revolving platform (19), every head positioning fixture (20) correspond the setting with a disc positioning fixture (22), the top of revolving platform (19) is provided with support frame (23), the equal fixed mounting of disc positioning fixture (22) is on support frame (23), disc positioning fixture (22) are used for fixing a position the disc on head (18).

2. A head welding apparatus as claimed in claim 1, wherein: disc positioning fixture (22) include first guide rail (24), lift cylinder (25), pivot (34) and location cylinder (35), first guide rail (24) vertical the fixing on support frame (23), it is provided with elevator (26) to slide on first guide rail (24), the output and the elevator (26) of lift cylinder (25) are connected, be provided with backup pad (27) on elevator (26), it is provided with pivot (34) to rotate on backup pad (27), location cylinder (34) set up the bottom of pivot (34), location cylinder (34) are located the top of head positioning fixture (20).

3. A head welding apparatus as claimed in claim 2, wherein: be provided with telescopic cylinder (29) on elevator block (26), it is provided with mounting panel (28) to slide on backup pad (27), telescopic cylinder's (29) output is connected on mounting panel (28), pivot (34) set up on mounting panel (28).

4. A head welding equipment according to claim 3, characterized in that: be provided with axle sleeve (33) on mounting panel (28), pivot (34) are rotated and are set up in axle sleeve (33), the top of pivot (34) is provided with rotary joint (30), the rotatory end and the pivot (34) of rotary joint (30) are connected, state rotary joint's stiff end and are connected with mounting panel (28).

5. A head welding equipment according to claim 3, characterized in that: be provided with spacing cylinder (32) on mounting panel (28), be provided with stopper (31) on pivot (34), set up spacing hole on stopper (31), spacing hole corresponds with spacing cylinder (32).

6. A head welding apparatus as claimed in claim 1, wherein: head positioning fixture (20) are including support column (1), the top of support column (1) is provided with supporting platform (13), be provided with on support column (1) from centering mechanism, self-centering mechanism centers on head (18), from centering mechanism including rotating cover (2), it establishes on support column (1) to rotate cover (2) cover, it is provided with a plurality of clamping mechanism to rotate cover (2) last circumference array, and a plurality of clamping mechanism are synchronous to be followed head (18) radial movement and are pressed from both sides head (18) centering clamp tightly, be provided with horizontal positioning mechanism on the centering mechanism, horizontal positioning mechanism presss from both sides tight location to the plane of head (18), the bottom of support column (1) is provided with a jacking cylinder (17), jacking cylinder (7) are used for jacking support column (1).

7. A head welding equipment according to claim 6, characterized in that: the supporting platform (13) is provided with a plurality of mounting seats (14) in a circumferential array mode, and the mounting seats (14) are provided with rollers (15).

8. A head welding equipment according to claim 6, characterized in that: clamping mechanism includes that the circumference array sets up four connecting rods (3) on rotating cover (2), four the one end of connecting rod (3) with it is articulated to rotate cover (2), the other end of connecting rod (3) all articulates there is removal seat (5), still includes guide rail (7) and drives actuating cylinder (4), be provided with slider (6) on removing seat (5), slider (6) and guide rail (7) sliding connection, the output that drives actuating cylinder (4) is connected with removal seat (5), and the output moving direction that drives actuating cylinder (4) is parallel with guide rail (7), be provided with stand (8) on removing seat (5), the inboard of stand (8) is provided with locating piece (16).

9. A head welding equipment according to claim 6, characterized in that: horizontal positioning mechanism includes die clamping cylinder (9), die clamping cylinder (9) are fixed on stand (8), the output of die clamping cylinder (9) is articulated with the one end of depression bar (10), the middle part of depression bar (10) is articulated with stand (8), the other end of depression bar (10) is provided with briquetting (12).

10. A head welding equipment according to claim 6, characterized in that: the lifting device is characterized by further comprising a supporting table (11), a driving gear (38) is rotatably arranged on the supporting table (11), a rotary supporting table (39) is arranged on the driving gear (38), the rotary supporting table (39) is sleeved on the rotating sleeve (2) and is rotatably connected through a bearing, a driving motor (40) is arranged on the supporting table (11), a driving gear (41) is arranged at the output end of the driving motor (40), the driving gear (41) is meshed with the driving gear (38), the guide rail (7) and the driving cylinder (4) are fixed to the top of the rotary supporting table (39), a support (42) is arranged at the bottom of the supporting table (11), a sliding ring (43) is arranged on the support (42), and the rotating end of the sliding ring (43) is connected with the jacking cylinder (17); the support table (10) is arranged on a rotary table (19).