CN116038225A - Multi-station welding fixture for insert welding and working method thereof - Google Patents

Multi-station welding fixture for insert welding and working method thereof Download PDF

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Publication number
CN116038225A
CN116038225A CN202310142453.7A CN202310142453A CN116038225A CN 116038225 A CN116038225 A CN 116038225A CN 202310142453 A CN202310142453 A CN 202310142453A CN 116038225 A CN116038225 A CN 116038225A
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China
Prior art keywords
welding
welding machine
station
insert
fixture
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CN202310142453.7A
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Chinese (zh)
Inventor
窦作勇
殷雪峰
李盛和
蒋振国
夏胜全
杨龙
张志强
周业钰
鲁强
任毅涛
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Institute of Materials of CAEP
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Institute of Materials of CAEP
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Priority to CN202310142453.7A priority Critical patent/CN116038225A/en
Publication of CN116038225A publication Critical patent/CN116038225A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426—Fixtures for other work
    • B23K37/0435—Clamps
    • B23K37/0443—Jigs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

The invention discloses a multi-station welding fixture for insert welding and a working method thereof, relating to the technical field of welding tools; the fixture structure comprises a multi-station welding fixture main body, wherein a main shaft and a tilting shaft are arranged on the multi-station welding fixture main body, a plurality of tilting shafts are arranged on the outer side of the main shaft in a collar mode, and the main shaft is in transmission connection with the tilting shafts through bevel gear groups; the top of the inclined shaft is provided with a chuck for fixing a workpiece to be welded; the bottom of the main shaft is in transmission connection with a welding machine chuck on the welding machine. The fixture working method based on the multi-station welding fixture matched design for insert welding can achieve the purposes of once clamping and once vacuumizing and welding multiple insert welding workpieces without additional motors and feeding mechanisms.

Description

Multi-station welding fixture for insert welding and working method thereof
Technical Field
The invention relates to the technical field of welding tools, in particular to a multi-station welding fixture for insert welding and a working method thereof.
Background
Electron beam welding is usually performed under vacuum, and the vacuum degree of the vacuum chamber is usually 1×10 during welding -2 The Pa magnitude, electron beam welding can effectively reduce the pollution of oxygen and nitrogen in the air to the welding seam, is favorable for obtaining good welding seam structure and performance, and is suitable for welding most metal materials. When welding the welding circumferential weld joint by vertical insertion, a workpiece is required to be clamped on a chuck of a welding machine, a vacuum chamber door is closed, a vacuumizing device is opened for vacuumizing, and when the vacuum degree reaches (5-7) multiplied by 10 -2 And starting welding in Pa, opening a vacuum chamber door after welding is finished, taking down the welded workpiece, clamping the workpiece again, and repeating the process until the welding of a plurality of workpieces is finished. When the volume of the vacuum chamber is large, the vacuumizing time is relatively long, and the production efficiency is seriously affected.
In practical applications, the welding fixture is mostly required to be specially designed according to the welding seam structural form of the workpiece. The common multi-station welding machine workbench is provided with a motor, and the motor provides power to drive the workbench to rotate, so that the workpiece is switched relative to the welding position. If a multi-station welding machine workbench is disclosed in patent application number 201510115632.7, the workbench is composed of a rotary workbench and a tool arranged on the workbench, motors are arranged on the rotary workbench and the tool, the situation that a plurality of workpieces can be welded by one-time clamping is achieved, the labor intensity of workers is reduced, and the production efficiency is improved. Similarly, there is a multi-station welding fixture with intermittent feeding, namely a multi-station welding machine workbench of a laser welding machine, application number 202011517155.4, which describes a workbench with an intermittent feeding mechanism, wherein a workpiece to be welded is placed in a die in use, the workpiece is clamped by a combined clamping mechanism, the action of the intermittent feeding mechanism is controlled, the combined workpiece to be welded is moved to the lower part of a welding head of the laser welding machine for welding operation, and after welding is completed, the action of the intermittent feeding mechanism is controlled, and the next workpiece to be welded is moved to the lower part of the welding head for welding of the next work.
The workbench of the multi-station welding machine is mainly designed by combining the structure of the welding seam of the product, a plurality of additional motors or feeding mechanisms are needed for respectively conveying and controlling the workpieces, universality is not achieved, and the welding requirement of the insert welding of the workpieces cannot be met.
Disclosure of Invention
The invention aims to provide a multi-station welding fixture for insert welding and a working method thereof, which are used for solving the problems in the prior art, and the purposes of once clamping and once vacuumizing and welding a plurality of insert welding workpieces can be realized without an additional motor and a feeding mechanism.
In order to achieve the above object, the present invention provides the following solutions:
the invention provides a multi-station welding fixture for insert welding, which comprises a multi-station welding fixture main body, wherein a main shaft and inclined shafts are arranged on the multi-station welding fixture main body, a plurality of inclined shafts are arranged on the outer side of the main shaft, and the main shaft is in transmission connection with the inclined shafts through bevel gear groups; the top of the inclined shaft is provided with a chuck for fixing a workpiece to be welded; the bottom of the main shaft is in transmission connection with a welding machine chuck on the welding machine.
Optionally, the multi-station welding fixture main body comprises a lower frame, wherein a top cover is fixedly arranged at the top of the lower frame, and the top cover is of a structure gradually inclining downwards from the center to the outer edge; the inclined shaft penetrates through the top cover and is connected with the top cover through a bearing; the main shaft penetrates through the lower frame and is connected with the lower frame through a bearing; and the top of the main shaft is connected with the center of the bottom of the top cover through a bearing.
Optionally, the bevel gear group includes a first bevel gear and a second bevel gear; the first bevel gears are fixedly arranged on the main shaft in a penetrating mode, each inclined shaft is fixedly provided with one second bevel gear in a penetrating mode, and the first bevel gears are respectively connected with the second bevel gears in a meshed transmission mode.
Optionally, the welding machine further comprises a supporting part, the supporting part is fixedly arranged on a workbench of the welding machine, the lower frame is arranged on the supporting part, and the supporting part can drive the multi-station welding fixture body to move up and down.
Optionally, the supporting part comprises at least two welding machine stand columns which are symmetrically arranged, and the welding machine stand columns are positioned at the outer sides of the welding machines; the bottom of the welding machine upright post is fixedly arranged on the welding machine workbench, a sliding rail is arranged on the inner side of the welding machine upright post, a sliding block is arranged on the sliding rail in a sliding manner, the top of the sliding block is fixedly connected with a supporting block which is horizontally arranged through a sliding block connecting block, and the top of the supporting block is fixedly connected with the bottom of the lower frame; and one side of the sliding rail is penetrated with a fastening hand wheel, and one end of the fastening hand wheel can be fastened and connected with the side wall of the sliding block.
Optionally, a support frame is fixedly arranged at the bottom of the upright post of the welding machine, and the support frame is fixedly connected with the workbench of the welding machine through bolts.
Optionally, the inclined shaft deviates from the vertical direction by 10 degrees, and the transmission ratio of the first bevel gear to the second bevel gear is 1.
Optionally, the top of the inclined shaft is integrally formed with a mounting plate, and the bottom of the chuck is fixedly arranged on the mounting plate.
The invention also discloses a working method of the multi-station welding fixture for insert welding, which comprises the following steps:
step one, clamping a multi-station welding fixture main body on a welding machine chuck;
step two, clamping a workpiece to be welded in a chuck of a multi-station welding fixture main body;
loosening a locking screw of a welding machine chuck, and adjusting the height of the welding machine chuck in the Z-axis direction until the position to be welded of the workpiece is positioned at the height of a welding machine focus, and then locking the screw;
step four, installing a supporting frame, during installation, firstly loosening a fastening hand wheel, then adjusting the height of a supporting block to a set position, locking the fastening hand wheel, and arranging a multi-station welding fixture main body on the supporting block;
step five, moving an X axis and a Y axis of a workbench of the welding machine through a video monitoring system of the welding machine to ensure that the deviation between the welding seam of the 1 st workpiece and the focal point position of the welding machine is not more than 0.07mm;
step six, closing a vacuum chamber door, and vacuumizing until the vacuum degree reaches (5-7) multiplied by 10 -2 After Pa range, selecting a welding program to weld;
step seven, after the 1 st workpiece is welded, adjusting the X axis and the Y axis of a workbench of the welding machine to enable the to-be-welded part of the 2 nd workpiece to move to the focal position of the welding machine, wherein the deviation is not more than 0.07mm, and then welding;
step eight, executing the same operation as the step seven, and finishing welding the 3 rd workpiece and the 4 th workpiece;
and step nine, after all the workpieces are welded, starting a gas release button of the welding machine to release gas, and after the internal and external atmospheric pressures of the vacuum chamber are balanced, starting a vacuum chamber door to take down the welded workpieces.
Compared with the prior art, the invention has the following technical effects:
according to the invention, the bevel gear sets which are matched are adopted, and a plurality of inclined shafts can be synchronously rotated by one main shaft, so that workpieces clamped by chucks on the inclined shafts can be synchronously rotated respectively by only one power source, the inclined shaft rings are arranged on the outer sides of the main shafts, and the bottoms of the main shafts are driven to rotate by power of a welding machine; the synchronous rotation of a plurality of workpieces can be realized by the power of the motor of the welding machine, the rotation control of the workpieces in the welding process can be realized without additional control of the motor and the conveying mechanism, and compared with the prior art that only one insert welding workpiece can be welded at a time, the efficiency is improved by 300 percent, and the welding machine has important practical value.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic partial cross-sectional view of a multi-station welding fixture for insert welding in accordance with the present invention;
FIG. 2 is a schematic top view of a multi-station welding fixture for insert welding according to the present invention;
FIG. 3 is a top view of the multi-station welding jig for insert welding of the present invention after installation with a support;
FIG. 4 is a front view of the multi-station welding jig for insert welding of the present invention after installation with a support section;
FIG. 5 is a schematic view of a partial structure of a supporting portion according to the present invention;
reference numerals illustrate: 1-a lower frame; 2-top cover; 3-a gasket; 4-a main shaft; 5-tilting axis; 6-supporting frames; 7-a slide block; 8-welding machine stand columns; 9-sliding rails; 10-supporting blocks; 11-a slider connecting block; 12-fastening a hand wheel; 13-a first helical gear; 14-a second helical gear; 15-a chuck; 16-a welding machine workbench.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a multi-station welding fixture for insert welding and a working method thereof, which are used for solving the problems in the prior art, and the purposes of once clamping and once vacuumizing and welding a plurality of insert welding workpieces can be realized without an additional motor and a feeding mechanism.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1 and 2, the invention provides a multi-station welding fixture for insert welding, which is mainly used for electron beam welding and also can be used for laser beam welding, and comprises a multi-station welding fixture main body, wherein a main shaft 4 and a tilting shaft 5 are arranged on the multi-station welding fixture main body, a plurality of tilting shafts 5 are arranged on the outer side of the main shaft 4 in a surrounding manner, and the main shaft 4 is in transmission connection with the tilting shafts 5 through a tilting gear set; the top of the inclined shaft 5 is provided with chucks 15 for fixing workpieces to be welded, so that the vertical incidence electron beam is not blocked, each chuck 15 deviates from the vertical direction by 10 degrees, and the angle can be changed according to requirements, but is not adjustable once the manufacturing is determined to be finished; the bottom of the main shaft 4 is in transmission connection with a welding machine chuck on the welding machine, and a gasket 3 is arranged at the joint of the main shaft 4 and the welding machine chuck on the welding machine, so that the connection is tighter.
The invention adopts the main shaft 4 which is in transmission connection with the chuck of the welding machine and is matched with the bevel gear group, thereby simultaneously controlling a plurality of workpieces at the top of the bevel shaft 5 to synchronously rotate, having the characteristic of compact structure, and the angle of the bevel shaft 5 can be adjusted when designing and manufacturing the multi-station clamp according to the process requirement of insert welding; the fixture adopts the motor of the welding machine as a power source, does not need to be driven by an additional motor, reduces the manufacturing cost, does not need to consider the coupling design problem of the motor and the welding machine on the operation procedure, and is simple and convenient to operate. In order to facilitate connection of the top of the tilting shaft 5 with the chuck 15, the top of the tilting shaft 5 is integrally formed with a mounting plate, and the bottom of the chuck 15 is fixedly arranged on the mounting plate, so that connection is more stable, and the operation process is more stable and reliable.
The inventor of the present invention found that when the existing electron beam welding is performed, one workpiece is required to be clamped on a welding machine chuck, and then the vacuum chamber is vacuumized to complete the welding, and only one workpiece can be welded at a time, and even if a device capable of welding a plurality of workpieces is provided later, the transportation and control of the plurality of workpieces also need additional motors and conveying devices, so that the welding efficiency is low. Based on the above, the inventor designs a multi-station welding fixture structure in the invention, and connects the multi-station welding fixture structure with a welding machine chuck through a main shaft 4, so that the main shaft can be driven to rotate by adopting a motor of the welding machine, the main shaft 4 synchronously drives a plurality of inclined shafts to rotate by utilizing the inclined gear sets, the function that the motor of the welding machine can synchronously drive a plurality of workpieces to synchronously rotate is realized, and the positioning precision of a welding seam is not more than 0.07mm by controlling the assembly precision of the multi-station welding fixture and selecting the chuck with high precision, thereby meeting the requirement of high-precision welding. The fixture can be used for clamping and vacuumizing once to realize the welding of 4 insert welding workpieces, the production efficiency is improved by 300% compared with the original method for welding 1 workpiece at a time, the efficiency is improved remarkably, the number of chucks or other modes is increased by optimizing the structural design of the fixture, and the clamping and welding of more than 4 workpieces can be further realized.
Specifically, the multi-station welding fixture main body comprises a lower frame 1, the top of the lower frame 1 is provided with an opening, the opening end of the top of the lower frame 1 is fixedly provided with a top cover 2, the outer edge of the top cover 2 is fixedly connected with the top of the lower frame 1 through bolts, the overall stability of the device is improved, the top cover 2 is of a structure gradually inclined downwards from the center to the outer edge, and is preferably of a smooth downward umbrella-shaped structure, the structure is matched with the inclined shaft 5, an inclined surface can be provided for mounting the inclined shaft 5, and meanwhile, interference to a chuck 15 on the inclined shaft 5 is avoided, so that the chuck structure of a plurality of inclined shafts 5 is more compact; the tilting shaft 5 penetrates through the top cover 2 and is connected with the top cover 2 through a bearing, and the tilting shaft 5 can independently rotate on the top cover 2; the main shaft 4 penetrates through the lower frame 1 and is connected with the lower frame 1 through a bearing; and the top of the main shaft 4 is connected with the center position of the bottom of the top cover 2 through a bearing, the bottom of the main shaft 4 is fixedly connected with a welding machine chuck, the middle part of the main shaft is arranged on the lower frame 1 in a penetrating manner, and the top of the main shaft is rotationally arranged at the center position of the bottom of the top cover 2, so that the main shaft 4 is limited by multiple points, and the main shaft 4 cannot deviate when rotating, and the movement process is more stable and reliable.
Further preferably, the helical gear group includes a first helical gear 13 and a second helical gear 14; the first bevel gear 13 is fixedly arranged on the main shaft 4 in a penetrating manner, each inclined shaft 5 is fixedly provided with a second bevel gear 14 in a penetrating manner, the first bevel gear 13 is respectively in meshed transmission connection with a plurality of second bevel gears 14, the transmission ratio of the inclined gear sets is 1, the positioning accuracy can reach 0.07mm, and the requirement of electron beam precision welding of an inserted welding line is met.
In different embodiments, the present invention is further improved based on the above structure, and referring to fig. 3, fig. 4 and fig. 5, a supporting portion structure is added in this embodiment, the supporting portion is fixedly disposed on the welding machine workbench 16, the lower frame 1 is disposed on the supporting portion, and the supporting portion can drive the multi-station welding fixture main body to move up and down. Specifically, the supporting part comprises at least two welding machine stand columns 8 which are symmetrically arranged, the welding machine stand columns 8 are positioned at the outer sides of the welding machines, a supporting frame 6 is fixedly arranged at the bottom of each welding machine stand column 8, the supporting frame 6 is fixedly connected with a welding machine workbench 16 through bolts, the supporting frame 6 is rigidly connected with the welding machine workbench 16, the stability of the clamp during operation is further improved, and the positioning accuracy of welding seams is guaranteed; a sliding rail 9 is arranged on the inner side of the upright post 8 of the welding machine, a sliding block 7 is arranged on the sliding rail 9 in a sliding way, the top of the sliding block 7 is fixedly connected with a supporting block 10 which is horizontally arranged through a sliding block connecting block 11, and the top of the supporting block 10 is fixedly connected with the bottom of the lower frame 1; one side of the sliding rail 9 is penetrated with a fastening hand wheel 12 which is in threaded connection with the sliding rail 9, and one end of the fastening hand wheel 12 penetrates through the side wall of the sliding rail 9 and then can be in fastening connection with the side wall of the sliding block 7. When the sliding block 7 is used, the fastening hand wheel 12 is firstly taken down, the sliding block 7 is moved on the sliding rail 9, the supporting block 10 moves up and down along with the sliding block 7, the sliding block 7 is of a block structure with enough length, therefore, when the sliding block moves up and down, the upper end and the lower end of the sliding block are arranged on a set sliding distance, the sliding block cannot leave the connection position of the sliding rail and the fastening hand wheel, namely, between set limiting positions, after the fastening hand wheel is screwed inwards, the side wall of the sliding block can be always contacted and connected with the fastening hand wheel 12, when the sliding block 7 moves to a proper position, the fastening hand wheel is screwed, one end of the fastening hand wheel 12 tightly props against the side wall of the sliding block 7, and the sliding block 7 is fixed on the set position of the sliding rail 9.
In another embodiment, the supporting part structure is not particularly limited, and on the basis of the above embodiment, the supporting part can be arranged on a control gear on the upright post of the welding machine besides adopting a sliding block and sliding rail structure, the control gear is controlled to rotate manually or by a motor, a vertical rack is meshed with the gear, and the top of the rack is connected with the supporting block, so that the supporting block can be moved up and down through the rack-and-pinion structure, and the supporting block can be fixed by fixing the rotating shaft of the control gear when the supporting block is moved to a proper position.
On the basis of the above, the invention also discloses a working method of the multi-station welding fixture for insert welding, which comprises the following steps:
clamping a multi-station welding fixture main body on a three-jaw or four-jaw chuck (hereinafter referred to as a welding machine chuck) of an electron beam welding machine;
step two, clamping the insert welding workpiece to be welded in four chucks 15;
loosening a locking screw of the chuck of the electron beam welding machine, and adjusting the height of the chuck of the welding machine in the Z-axis direction until the position to be welded of the workpiece is positioned at the height of the focus of the welding machine, and then locking the screw;
step four, installing a supporting frame, during installation, firstly loosening a fastening hand wheel 12, then adjusting the height of a supporting block 10 to a set position, locking the fastening hand wheel 12, arranging a multi-station welding fixture main body on the supporting block 10, and connecting and fixing the supporting block 10 and the multi-station welding fixture through screws or adopting other modes for fixing;
step five, moving an X axis and a Y axis of a workbench of the welding machine through a video monitoring system of the electron beam welding machine, so that the position deviation between a welding line and an electron beam focus of the welding machine is not more than 0.07mm;
step six, closing a vacuum chamber door, and vacuumizing until the vacuum degree reaches (5-7) multiplied by 10 -2 After Pa range, selecting a welding program to weld;
step seven, after the 1 st workpiece is welded, adjusting the X axis and the Y axis of a workbench of the welding machine to enable the to-be-welded part of the 2 nd workpiece to move to the focal position of the welding machine, wherein the deviation is not more than 0.07mm, and then welding;
step eight, executing the same operation as the step seven, and finishing welding the 3 rd workpiece and the 4 th workpiece;
and step nine, after all the workpieces are welded, starting a gas release button of the welding machine to release gas, and after the internal and external atmospheric pressures of the vacuum chamber are balanced, starting a vacuum chamber door to take down the welded workpieces.
According to the invention, through the optimized design, the additional motor of the common multi-station welding fixture is subtracted, the manufacturing cost is reduced, the coupling design of the additional motor and the motor motion of the electron beam welding machine is omitted, the small chuck can be driven to rotate by adopting the power of the welding machine, the welding of multiple workpieces can be realized by clamping and vacuumizing for 1 time, the welding efficiency is improved by 300% or more, and the economic benefit and the social benefit are considerable.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.

Claims (9)

1. A multistation welding jig for insert welding, its characterized in that: the multi-station welding fixture comprises a multi-station welding fixture body, wherein a main shaft and a tilting shaft are arranged on the multi-station welding fixture body, a plurality of tilting shafts are arranged on the outer side of the main shaft, and the main shaft is in transmission connection with the tilting shafts through bevel gear groups; the top of the inclined shaft is provided with a chuck for fixing a workpiece to be welded; the bottom of the main shaft is in transmission connection with a welding machine chuck on the welding machine.
2. The multi-station welding jig for insert welding according to claim 1, wherein: the multi-station welding fixture comprises a multi-station welding fixture body, wherein the multi-station welding fixture body comprises a lower frame, a top cover is fixedly arranged at the top of the lower frame, and the top cover is of a structure gradually inclined downwards from the center to the outer edge; the inclined shaft penetrates through the top cover and is connected with the top cover through a bearing; the main shaft penetrates through the lower frame and is connected with the lower frame through a bearing; and the top of the main shaft is connected with the center of the bottom of the top cover through a bearing.
3. The multi-station welding jig for insert welding according to claim 1, wherein: the bevel gear group comprises a first bevel gear and a second bevel gear; the first bevel gears are fixedly arranged on the main shaft in a penetrating mode, each inclined shaft is fixedly provided with one second bevel gear in a penetrating mode, and the first bevel gears are respectively connected with the second bevel gears in a meshed transmission mode.
4. The multi-station welding jig for insert welding according to claim 2, wherein: still include supporting part, the supporting part is fixed to be set up on the welding machine workstation, the lower frame set up in on the supporting part, just the supporting part can drive multistation welding jig main part reciprocates.
5. The multi-station welding jig for insert welding according to claim 4, wherein: the support part comprises at least two welding machine stand columns which are symmetrically arranged, and the welding machine stand columns are positioned at the outer side of the welding machine; the bottom of the welding machine upright post is fixedly arranged on the welding machine workbench, a sliding rail is arranged on the inner side of the welding machine upright post, a sliding block is arranged on the sliding rail in a sliding manner, the top of the sliding block is fixedly connected with a supporting block which is horizontally arranged through a sliding block connecting block, and the top of the supporting block is fixedly connected with the bottom of the lower frame; and one side of the sliding rail is penetrated with a fastening hand wheel, and one end of the fastening hand wheel can be fastened and connected with the side wall of the sliding block.
6. The multi-station welding jig for insert welding according to claim 4, wherein: the bottom of the welding machine upright post is fixedly provided with a supporting frame, and the supporting frame is fixedly connected with the welding machine workbench through bolts.
7. A multi-station welding jig for insert welding according to claim 3, wherein: the inclined shaft deviates from the vertical direction by 10 degrees, and the transmission ratio of the first bevel gear to the second bevel gear is 1.
8. The multi-station welding jig for insert welding according to claim 1, wherein: the inclined shaft top integrated into one piece has the mounting panel, chuck bottom fixed set up in on the mounting panel.
9. A working method of a multi-station welding fixture for insert welding is characterized by comprising the following steps of: the method comprises the following steps:
step one, clamping a multi-station welding fixture main body on a welding machine chuck;
step two, clamping a workpiece to be welded in a chuck of a multi-station welding fixture main body;
loosening a locking screw of a welding machine chuck, and adjusting the height of the welding machine chuck in the Z-axis direction until the position to be welded of the workpiece is positioned at the height of a welding machine focus, and then locking the screw;
step four, installing a supporting frame, during installation, firstly loosening a fastening hand wheel, then adjusting the height of a supporting block to a set position, locking the fastening hand wheel, and arranging a multi-station welding fixture main body on the supporting block;
step five, moving an X axis and a Y axis of a workbench of the welding machine through a video monitoring system of the welding machine to ensure that the deviation between the welding seam of the 1 st workpiece and the focal point position of the welding machine is not more than 0.07mm;
step six, closing a vacuum chamber door, and vacuumizing until the vacuum degree reaches (5-7) multiplied by 10 -2 After Pa range, selecting a welding program to weld;
step seven, after the 1 st workpiece is welded, adjusting the X axis and the Y axis of a workbench of the welding machine to enable the to-be-welded part of the 2 nd workpiece to move to the focal position of the welding machine, wherein the deviation is not more than 0.07mm, and then welding;
step eight, executing the same operation as the step seven, and finishing welding the 3 rd workpiece and the 4 th workpiece;
and step nine, after all the workpieces are welded, starting a gas release button of the welding machine to release gas, and after the internal and external atmospheric pressures of the vacuum chamber are balanced, starting a vacuum chamber door to take down the welded workpieces.
CN202310142453.7A 2023-02-21 2023-02-21 Multi-station welding fixture for insert welding and working method thereof Pending CN116038225A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310142453.7A CN116038225A (en) 2023-02-21 2023-02-21 Multi-station welding fixture for insert welding and working method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310142453.7A CN116038225A (en) 2023-02-21 2023-02-21 Multi-station welding fixture for insert welding and working method thereof

Publications (1)

Publication Number Publication Date
CN116038225A true CN116038225A (en) 2023-05-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310142453.7A Pending CN116038225A (en) 2023-02-21 2023-02-21 Multi-station welding fixture for insert welding and working method thereof

Country Status (1)

Country Link
CN (1) CN116038225A (en)

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