CN115446421B - Automatic girth welding device and welding method - Google Patents
Automatic girth welding device and welding method Download PDFInfo
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- CN115446421B CN115446421B CN202211219543.3A CN202211219543A CN115446421B CN 115446421 B CN115446421 B CN 115446421B CN 202211219543 A CN202211219543 A CN 202211219543A CN 115446421 B CN115446421 B CN 115446421B
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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
- B23K9/00—Arc welding or cutting
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/028—Seam welding; Backing means; Inserts for curved planar seams
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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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The application discloses an automatic girth welding device and a welding method, which overcome the defect of automatic welding of branch girth of a long guide pipe in the prior art, and the designed automatic girth welding device integrally adopts a high-strength steel structure, and the whole frame is in a triangular form, so that the automatic girth welding device has the advantages of good structural stability and strong bearing capacity; the lifting of the three-jaw chuck and the movement of the welding gun are controlled by motors, parts can be processed in a programmed numerical control mode, the practicability and the production efficiency are improved, and the operation difficulty is reduced; the catheter is fixed in a three-jaw chuck mode, the grasping and loosening of the catheter parts are controlled through compressed gas, and the catheter is convenient, quick and efficient and can be used for fixing the catheter parts with different diameters.
Description
Technical Field
The application belongs to mechanical manufacturing process equipment, and particularly relates to an automatic girth welding device and a welding method.
Background
The stainless steel guide pipe in the environmental control system manufactured by the prior aviation equipment mostly adopts the guide pipe with the diameter of phi 60 or more, most of the guide pipe is processed in a welding forming mode, manual welding or automatic longitudinal seam welding machine is generally used for welding processing, the welding efficiency and the welding quality are greatly improved by adopting an automatic longitudinal seam welding machine welding processing method for the longitudinal seam welding part, but the circular seam part mainly adopts manual welding, the welding efficiency is low, the welding quality is poor, particularly, a long branch pipe of a main pipeline and the circular seam at a pipe joint of the branch pipe are welded, the forming is often realized by multiple manual welding, the welding quality is seriously influenced when the welding efficiency is low, and even the phenomenon of incomplete welding and air holes appear, and the repair is needed.
In the prior art, patent CN201420281077.6 discloses an automatic double-ring seam welding machine tool, the aim of the patent is to improve the processing efficiency of the circular seam welding of forklift oil pipes, reduce the labor intensity of workers, set up two groups of three-dimensionally adjustable lifting structures on a walking platform, realize the welding processing of double-ring seam forklift oil pipes through two-rod welding guns, and a feeding pushing mechanism at the front edge of a machine body is used for positioning and clamping a pipe body to realize synchronous loading of welding and improve the production efficiency.
Disclosure of Invention
Technical problem to be solved
The application overcomes the defect of automatic welding of branch pipe girth of a long guide pipe in the prior art, and provides an automatic girth welding device and a welding method.
Technical proposal
The application provides an automatic girth welding device, which comprises a tool support frame, a lifting mechanism, a three-jaw chuck, a tool top disc, a driven disc, a connecting column, a support column, a motor linkage gear, a gear disc, a disc motor and a welding assembly, wherein the tool support frame is arranged on the tool support frame;
the upper end of the tool supporting frame is provided with a tool top disc forming device framework structure, the center of the tool top disc is provided with a through hole, the three-jaw chuck is provided with three longer chuck jaws, the chuck jaws penetrate through the tool top disc through hole and are used for fixing the end part of a part to be welded, the three-jaw chuck is arranged on a lifting mechanism, and the height of the part to be welded can be adjusted under the driving of the lifting mechanism; the tool top plate is welded with three support columns, the support columns are I-shaped, a hollow gear disc is arranged in the middle of the three support columns, the hollow gear disc is connected with a driven disc through a connecting column, a round hole corresponding to the hollow gear disc is formed in the driven disc, a motor linkage gear and a wheel disc motor are arranged on the tool top plate and used for controlling the driven disc to rotate, and a welding assembly is fixed at the top of the driven disc.
Further, the tool supporting frame comprises a tool chassis and tool supporting columns, wherein the tool supporting columns are fixed on the tool chassis to form a cone frame type structure, and the upper end of the cone frame type structure is fixed on the tool top plate.
Further, the lifting mechanism comprises a lifter chassis, a lifter base, a speed reducer positioning motor, a worm gear lifter and a lifting cylinder; the lifting cylinder is welded with the three-jaw chuck base, the top of the turbine worm lifter is connected with the three-jaw chuck base through bolts, the three-jaw chuck base is provided with a three-jaw chuck, and the three-jaw chuck base is concentric with the turbine worm lifter and the tool top disc.
Further, a circular opening is formed in the center of the lifter chassis and used for connecting wires with a speed reducer positioning motor.
Further, the round holes and the notch are formed in the round disc at the top of the worm gear lifter, the corresponding round holes are formed in the three-jaw chuck base and are used for being connected with the worm gear lifter through bolts, and the similar convex round holes are formed in the center of the three-jaw chuck base and correspond to the notch at the top of the worm gear lifter and are used for being connected with a compressed air pipe.
Further, the hollow gear plate is provided with three equidistant round holes uniformly arranged at the center of the gear plate, and the driven plate is provided with round holes corresponding to the hollow gear plate for inserting the connecting rod.
Further, the welding assembly comprises a welding gun moving base, a welding gun welding wire clamping device, a connecting rod and a welding gun moving motor; and a welding gun moving base is assembled at the top of the driven disc and comprises a welding gun welding wire clamping device and a welding gun moving motor.
Further, a lead screw with a motor is assembled on the welding gun moving base, the lead screw is connected with a welding gun welding wire clamp, and the welding gun is controlled by a welding gun moving motor to move forwards and backwards along the axis of the lead screw.
The automatic girth welding device also comprises a numerical control system which is used for connecting and controlling the speed reducer positioning motor, the wheel disc motor and the welding gun moving motor.
On the basis of the girth welding device, the application also provides an automatic girth welding method, which comprises the following steps:
firstly, resetting a welding wire welding gun clamp and adjusting a three-jaw chuck to a starting position, namely a zero point;
fixing a branch pipe joint of a conduit to be welded by using a three-jaw chuck;
starting a numerical control system, and selecting welding data of the pipe joint;
step four, starting a numerical control welding system, controlling a speed reducer positioning motor to adjust the high and low positions of a three-jaw chuck, and ensuring that the position of a welding head and a welding seam of a pipe joint of a conduit to be welded are on the same horizontal plane;
fifthly, controlling the welding gun to move along the screw shaft by the welding gun moving motor to reach a preset welding position;
step six, starting the wheel disc motor and an external welding machine simultaneously, and igniting an electric arc by a welding gun to start welding;
step seven, after the wheel disc motor drives the driven disc to rotate for one circle, the wheel disc motor and an external welding machine are stopped simultaneously, the arc extinguishing welding of the welding gun is stopped, and the pipe joint is welded;
step eight, automatically returning the speed reducer positioning motor and the welding gun moving motor to the starting positions, and stopping the numerical control system;
and step nine, the three-jaw chuck is used for removing the pipe joint of the pipe to be welded and taking down the pipe.
Beneficial technical effects
The application overcomes the defect of automatic welding of branch pipe girth of a long guide pipe in the prior art, and provides an automatic girth welding device and a welding method, wherein the whole device adopts a high-strength steel structure, and the joints are in a triangle form, so that the device has the advantages of good structural stability and strong bearing capacity; the lifting of the three-jaw chuck and the movement of the welding gun are controlled by motors, parts can be processed in a three-dimensional mode in a programming numerical control mode, the processing process is stable and efficient, the influence caused by factors such as personnel fatigue is reduced, the practicability and the production efficiency are greatly improved, and the operation difficulty is reduced; the catheter is fixed in a three-jaw chuck mode, the grasping and loosening of the catheter parts are controlled through compressed gas, and the catheter is convenient, quick and efficient, and can be used for fixing the catheter parts with different diameters; in addition, the welding gun and welding wire clamping device can replace different welding machines and welding wires according to different welding modes, and the problem of circumferential seam welding of branch pipes of long guide pipes made of different materials can be solved.
Drawings
FIG. 1 is a schematic diagram of an automated girth welding apparatus;
FIG. 2 is a schematic view of a device base;
FIG. 3 is a schematic view of an elevator apparatus;
FIG. 4 is a schematic diagram of a three jaw chuck;
FIG. 5 is a schematic view of the interior of the driven disk;
FIG. 6 is a schematic view of a driven disk;
FIG. 7 is a schematic view of a gun motion device;
FIG. 8 is a schematic view of the working state of the present application;
wherein: 1. the fixture comprises a fixture chassis, a fixture support column, a lifter chassis, a lifter base, a reducer positioning motor, a worm gear lifter, a lifting cylinder, a three-jaw chuck base, a three-jaw chuck and a fixture top plate, wherein the fixture chassis, the fixture support column, the lifter chassis, the lifter base, the reducer positioning motor, the worm gear lifter, the lifting cylinder, the three-jaw chuck base, the three-jaw chuck and the fixture top plate are arranged in sequence, the welding gun comprises a driven disc 11, a connecting column 12, a welding gun moving base 14, a welding gun welding wire clamp 15, claws 16, a supporting column 17, a motor linkage gear 18, a gear disc 19, a wheel disc motor 20, a connecting rod 21 and a welding gun moving motor.
Detailed Description
The application relates to an automatic girth welding device and a welding method, which are described in detail by referring to the accompanying drawings:
referring to fig. 1, the application specifically designs an automatic girth welding device, which comprises a tool chassis 1, a tool support column 2, a lifter chassis 3, a lifter base 4, a speed reducer positioning motor 5, a worm and gear lifter 6, a lifting cylinder 7, a three-jaw chuck base 8, a three-jaw chuck 9, a tool top disc 10, a driven disc 11, a connecting column 12, a welding gun moving base 13, a welding gun welding wire clamp 14, a jaw 15, a support column 16, a motor linkage gear 17, a gear disc 18, a wheel disc motor 19, a connecting rod 20 and a welding gun moving motor 21;
3 tool supports 2 and a hollow tool top disc 10 are welded on a tool chassis 1 to form a tool appearance structure, then a lifter chassis 3 is welded on the supports 2, a lifter base 4 is connected to the center of the lifter chassis 3, a speed reducer positioning motor 5 and a worm gear lifter 6 are assembled on the lifter base 4, 3 groups of lifting cylinders 7 are welded on the periphery of the lifter base 4, lifting columns of the lifting cylinders 7 are welded with a three-jaw chuck base 8, meanwhile, the top of the worm gear lifter 6 is connected with the three-jaw chuck base 8 through bolts, a three-jaw chuck 9 is assembled on the three-jaw chuck base 8, the three-jaw chuck base 8 is concentric with the worm gear lifter 6 and the tool top disc 10, and three longer chuck jaws 15 are arranged on the three-jaw chuck 9; the tool top plate 10 is welded with three support columns 16, the support columns 16 are I-shaped, a hollow gear disc 18 is arranged in the middle of the three support columns 16, the hollow gear disc 18 is connected with a driven plate 11 through a connecting rod 20, a round hole corresponding to the hollow gear disc 18 is formed in the driven plate 11, a motor linkage gear 17 and a wheel disc motor 19 are arranged on the tool top plate 10 and used for controlling the driven plate to rotate, a welding gun moving base 13 is assembled at the top of the driven plate 11, and the welding gun moving base 13 comprises a welding gun welding wire clamp 14 and a welding gun moving motor 21.
As shown in fig. 2, circular openings are formed in the centers of the tooling chassis 1 and the lifter chassis 3 and are used for connecting wires with a speed reducer positioning motor 5; because the circumferential operation is needed by the circumferential welding device, the cables are arranged from top to bottom from the shaft center, and the problem of blocking operators in the welding process can be effectively avoided.
As shown in fig. 3 and 4, the circular disc at the top of the worm wheel and worm screw lifter 6 is provided with four round holes and a notch, the middle of the three-jaw chuck base 8 is provided with corresponding four round holes for being connected with the worm wheel and worm screw lifter 6 through bolts, and the center of the three-jaw chuck base 8 is provided with a quasi-convex round hole corresponding to the notch at the top of the worm wheel and worm screw lifter 6 for being connected with a compressed air pipe. In addition, the three-jaw chuck base 8 is also provided with three holes along the periphery of the center of the disc, and the three holes coaxially correspond to the round holes on the chassis 3, and the lifting cylinder 7 is fixed in a welding mode. When lifting, the speed reducer positioning motor 5 starts to control the turbine worm lifter 6 to ascend and descend, so as to control the three-jaw chuck 9 to ascend and descend, and the lifting cylinder 7 plays a role in fixing the position and extends and shortens along with the lifting of the three-jaw chuck.
The three-jaw chuck 9 is a finished pneumatic three-jaw chuck, compressed air enters the air cylinder through a pipeline and pushes the piston to drive the pull rod to move axially, the head of the connecting rod is of a wedge block structure and is meshed with a wedge block on the chuck, so that the wedge block is driven to slide, and the wedge block drives the clamping jaw to move along the radial direction, so that the clamping and the loosening of a workpiece are realized; the air pipe penetrates through a groove opening at the top of the worm gear and worm lifter 6 and a gourd-shaped hole in the chuck base 8.
As shown in fig. 5 and 6, the hollow gear disc 18 is provided with three equidistant round holes uniformly arranged around the center of the gear disc, the driven disc 11 is provided with round holes corresponding to the hollow gear disc 18 for inserting the connecting rods 20, the connecting rods 20 are cylindrical rods with upper and lower diameters smaller than the middle diameter, the connecting rods 20 and the connecting columns 12 can be used as the same structure for connecting the hollow gear disc 18 with the driven disc 11 to realize synchronous rotation, only a certain rotation speed is needed in the welding process, the friction influence between the hollow gear disc 18 and the i-shaped support columns can be ignored, and of course, steel balls can be embedded between contact surfaces in the specific implementation process to reduce sliding friction resistance.
As shown in fig. 7, a screw rod with a motor for rotating is assembled on the welding gun moving base 25, the screw rod is connected with a welding gun welding wire clamping device 14, and the welding gun is controlled to move back and forth along the axial direction of the screw rod by a welding gun moving motor 21 so as to adapt to-be-welded pipes with different pipe diameters.
The method of the application is an automatic girth welding method, and the automatic girth welding device comprises the following steps:
step one, the worm gear lifter 6 and the welding wire gun clamp 14 are adjusted to the initial position, namely, the zero point. The function of zeroing is to measure the vertical and horizontal distance of the catheter welding position from the weld spot after the catheter is clamped by the three-jaw chuck for determining programming data to adjust the vertical position of the worm gear lifter 6 lift and the horizontal position of the wire gun clamp 14.
Step two, as shown in fig. 8, the branch pipe joint of the conduit is fixed by using the three-jaw chuck 9, and three longer chuck jaws 15 are arranged on the three-jaw chuck 9, so that the three longer chuck jaws can extend into the conduit, the pipe head of the welded conduit can be fixed in a tensioning mode, and the pipe head can be directly clamped and fixed in a grasping mode.
And thirdly, starting the numerical control system, selecting welding data of the pipe joint, and determining the welding data through the first step.
Step four, starting the numerical control welding system, controlling a speed reducer positioning motor 5 to adjust the height position of a three-jaw chuck 9, and adjusting the welding head position and the pipe joint welding seam position to be on the same horizontal plane so as to ensure that the welding position is at the circular seam position in the numerical control welding process.
And fifthly, the welding gun moving motor 21 controls the welding gun to move along the screw shaft to reach a preset welding position.
And step six, starting the wheel disc motor 19 and an external welding machine simultaneously, and starting welding by igniting an electric arc through a welding gun.
And step seven, after the wheel disc motor 19 drives the driven disc 11 to rotate for one circle, the wheel disc motor 19 and an external welding machine are stopped simultaneously, the arc extinguishing welding of the welding gun is stopped, and the pipe joint is welded.
And step eight, automatically returning the speed reducer positioning motor 5 and the welding gun moving motor 21 to the initial positions, stopping the operation of the numerical control system, and replacing the air inlet pipeline by the pneumatic three-jaw chuck 9 to release the pipe joint fixation, and taking down the pipe.
The application overcomes the defect of automatic welding of branch pipe girth of a long guide pipe in the prior art, and provides an efficient and high-quality automatic girth welding device which is integrally of a high-strength steel structure, and the integral frame is of a triangle form, so that the device has the advantages of good structural stability and strong bearing capacity; the lifting of the three-jaw chuck and the movement of the welding gun are controlled by motors, parts can be processed in a programmed numerical control mode, the practicability and the production efficiency are improved, and the operation difficulty is reduced; the catheter is fixed in a three-jaw chuck mode, the grasping and loosening of the catheter parts are controlled through compressed gas, and the catheter is convenient, quick and efficient, and can be used for fixing the catheter parts with different diameters; the multi-layer platform structure is adopted, the operation space is large, and the processing of the large aviation conduit is very beneficial.
The above detailed description or examples are only for illustrating the technical scheme of the present application, and are not meant to limit the present application, and the detailed description is not to be taken as conventional technical means or common general knowledge in the art; those of ordinary skill in the art will appreciate that: based on the design concept of the present application, the technical solutions described in the foregoing embodiments should be adaptively modified, or some or all of the technical features thereof may be equivalently replaced, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.
Claims (9)
1. An automatic girth welding device is characterized by comprising a tool supporting frame, a lifting mechanism, a three-jaw chuck, a tool top disc, a driven disc, a connecting column, a supporting column, a motor linkage gear, a gear disc, a disc motor and a welding assembly;
the upper end of the tool supporting frame is provided with a tool top disc forming device framework structure, the center of the tool top disc is provided with a through hole, the three-jaw chuck is provided with three longer chuck jaws, the chuck jaws penetrate through the tool top disc through hole and are used for fixing the end part of a part to be welded, the three-jaw chuck is arranged on a lifting mechanism, and the height of the part to be welded can be adjusted under the driving of the lifting mechanism; the tooling top plate is welded with three support columns which are I-shaped, a hollow gear disc is arranged in the middle of the three support columns, the hollow gear disc is connected with a driven disc through a connecting column, a round hole corresponding to the hollow gear disc is formed in the driven disc, a motor linkage gear and a wheel disc motor are arranged on the tooling top plate and used for controlling the driven disc to rotate, and a welding assembly is fixed at the top of the driven disc;
the lifting mechanism comprises a lifter chassis, a lifter base, a speed reducer positioning motor, a worm gear lifter and a lifting cylinder; the lifting cylinder is welded with the three-jaw chuck base, the top of the turbine worm lifter is connected with the three-jaw chuck base through bolts, the three-jaw chuck base is provided with a three-jaw chuck, and the three-jaw chuck base is concentric with the turbine worm lifter and the tool top disc.
2. The automated girth welding apparatus of claim 1, wherein the turbine worm lifter top disk is provided with four round holes and one notch, the three-jaw chuck base is provided with corresponding four round holes for bolting with the turbine worm lifter, and the center of the three-jaw chuck base is provided with a quasi-convex round hole corresponding to the turbine worm lifter top notch for connecting with the compressed air pipe.
3. The automated girth welding apparatus of claim 1, wherein the elevator chassis has a circular opening in the center for connecting wires to a speed reducer positioning motor.
4. The automated girth welding apparatus of claim 1, wherein the hollow gear disk is provided with three equidistant circular holes uniformly arranged at the center of the gear disk, and the driven disk is provided with circular holes corresponding to the hollow gear disk for inserting the connecting rod.
5. The automated girth welding apparatus of claim 1, wherein the welding assembly comprises a gun motion base, a gun wire gripper, a connecting rod, and a gun motion motor; and a welding gun moving base is assembled at the top of the driven disc and comprises a welding gun welding wire clamping device and a welding gun moving motor.
6. The automated girth welding apparatus of claim 5, wherein the torch moving base is provided with a screw shaft to which the welding wire is electrically rotated, the screw shaft is connected to a welding wire clamp, and the welding torch is controlled to move forward and backward along the screw shaft by a welding wire moving motor.
7. The automated girth welding apparatus of claim 1, wherein the tooling support frame comprises a tooling chassis and tooling support posts, the tooling support posts are secured to the tooling chassis to form a conical frame structure, and the tooling top plate is secured to the conical frame structure at an upper end thereof.
8. The automated girth welding apparatus of claim 7, further comprising a numerical control system for interfacing the control speed reducer positioning motor, the wheel motor, the gun motion motor.
9. An automated girth welding method using the automated girth welding apparatus of any one of claims 1 to 8, wherein the welding method comprises the steps of:
s1, resetting a welding wire welding gun clamp and adjusting a three-jaw chuck to a starting position, namely a zero point;
s2, fixing a branch pipe joint of a conduit to be welded by using a three-jaw chuck;
s3, starting a numerical control system, and selecting welding data of the pipe joint;
s4, starting a numerical control welding system, controlling a speed reducer positioning motor to adjust the high and low positions of a three-jaw chuck, and ensuring that the position of a welding head and a welding seam of a pipe joint of a conduit to be welded are on the same horizontal plane;
s5, controlling the welding gun to move along the screw shaft by the welding gun moving motor to reach a preset welding position;
s6, starting the wheel disc motor and an external welding machine simultaneously, and igniting an electric arc by a welding gun to start welding;
s7, after the wheel disc motor drives the driven disc to rotate for one circle, the wheel disc motor and an external welding machine are stopped simultaneously, the arc extinguishing welding of the welding gun is stopped, and the pipe joint is welded;
s8, automatically returning the speed reducer positioning motor and the welding gun moving motor to the initial positions, and stopping the numerical control system;
and S9, the three-jaw chuck is used for removing the pipe joint of the pipe to be welded and taking down the pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211219543.3A CN115446421B (en) | 2022-09-30 | 2022-09-30 | Automatic girth welding device and welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211219543.3A CN115446421B (en) | 2022-09-30 | 2022-09-30 | Automatic girth welding device and welding method |
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| Publication Number | Publication Date |
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| CN115446421A CN115446421A (en) | 2022-12-09 |
| CN115446421B true CN115446421B (en) | 2023-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211219543.3A Active CN115446421B (en) | 2022-09-30 | 2022-09-30 | Automatic girth welding device and welding method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116638230B (en) * | 2023-07-17 | 2023-10-31 | 江苏纳贝铝业有限公司 | Welding tool for aluminum profile production |
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| JPH0852567A (en) * | 1994-08-11 | 1996-02-27 | Mitsubishi Materials Corp | Jig for welding |
| CN203371184U (en) * | 2013-08-08 | 2014-01-01 | 张向荣 | Rotation welding bench |
| CN203875460U (en) * | 2014-05-22 | 2014-10-15 | 山东商务职业学院 | Special argon arc welding machine for circular pipes |
| CN205200880U (en) * | 2015-12-22 | 2016-05-04 | 天津泰思克机械设备有限公司 | Welder rotation type automatic welder |
| CN207681694U (en) * | 2017-12-25 | 2018-08-03 | 东莞市上运激光制版有限公司 | A kind of stifled automatic soldering device of axis |
| CN111889886A (en) * | 2020-07-22 | 2020-11-06 | 陕西科技大学 | Fixing clamp and method for lifting and adjusting tool |
| CN213998340U (en) * | 2020-10-20 | 2021-08-20 | 广州市冰峰制冷工程有限公司 | Auxiliary device for welding pipeline valve |
| CN215145543U (en) * | 2021-06-24 | 2021-12-14 | 洛阳鲁骏机电科技有限公司 | Automatic welding equipment for workpiece circular seam |
-
2022
- 2022-09-30 CN CN202211219543.3A patent/CN115446421B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0852567A (en) * | 1994-08-11 | 1996-02-27 | Mitsubishi Materials Corp | Jig for welding |
| CN203371184U (en) * | 2013-08-08 | 2014-01-01 | 张向荣 | Rotation welding bench |
| CN203875460U (en) * | 2014-05-22 | 2014-10-15 | 山东商务职业学院 | Special argon arc welding machine for circular pipes |
| CN205200880U (en) * | 2015-12-22 | 2016-05-04 | 天津泰思克机械设备有限公司 | Welder rotation type automatic welder |
| CN207681694U (en) * | 2017-12-25 | 2018-08-03 | 东莞市上运激光制版有限公司 | A kind of stifled automatic soldering device of axis |
| CN111889886A (en) * | 2020-07-22 | 2020-11-06 | 陕西科技大学 | Fixing clamp and method for lifting and adjusting tool |
| CN213998340U (en) * | 2020-10-20 | 2021-08-20 | 广州市冰峰制冷工程有限公司 | Auxiliary device for welding pipeline valve |
| CN215145543U (en) * | 2021-06-24 | 2021-12-14 | 洛阳鲁骏机电科技有限公司 | Automatic welding equipment for workpiece circular seam |
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| Publication number | Publication date |
|---|---|
| CN115446421A (en) | 2022-12-09 |
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