CN113263264A - Downward pressing welding device for solar cell - Google Patents

Downward pressing welding device for solar cell Download PDF

Info

Publication number
CN113263264A
CN113263264A CN202110582640.8A CN202110582640A CN113263264A CN 113263264 A CN113263264 A CN 113263264A CN 202110582640 A CN202110582640 A CN 202110582640A CN 113263264 A CN113263264 A CN 113263264A
Authority
CN
China
Prior art keywords
welding
top end
fixed
base
laser
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202110582640.8A
Other languages
Chinese (zh)
Inventor
刘一锋
张志强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tsinghua University
Shanxi Research Institute for Clean Energy of Tsinghua University
Original Assignee
Tsinghua University
Shanxi Research Institute for Clean Energy of Tsinghua University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tsinghua University, Shanxi Research Institute for Clean Energy of Tsinghua University filed Critical Tsinghua University
Priority to CN202110582640.8A priority Critical patent/CN113263264A/en
Publication of CN113263264A publication Critical patent/CN113263264A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • 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
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/21—Bonding by welding
    • B23K26/22—Spot 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
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/035—Aligning the laser beam
    • 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
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
    • B23K26/046—Automatically focusing the laser beam
    • 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
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/0869—Devices involving movement of the laser head in at least one axial direction
    • 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
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/70—Auxiliary operations or equipment
    • B23K26/702—Auxiliary equipment
    • B23K26/703—Cooling arrangements
    • 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
    • B23K37/0408—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work for planar work
    • 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
    • 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
    • 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
    • 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
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/36—Electric or electronic devices

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Laser Beam Processing (AREA)

Abstract

The invention discloses a downward pressing welding device for solar cells, which comprises a base, a laser welding head, a cell main body and welding strips, wherein a frame body is arranged at the top end of the base, a threaded lead screw is arranged at the top end inside the frame body, a driving block is sleeved on the threaded lead screw, the laser welding head is arranged at the bottom end of the driving block, a second motor is fixed at the top end of one side of the frame body, the output end of the second motor is connected with the threaded lead screw, a rotary table is arranged on the base below the laser welding head, fixing seats are uniformly arranged at the top end of the rotary table, the cell main body is arranged on each fixing seat, the welding strips are arranged at the top end of the cell main body, and welding points are uniformly. The welding strip is prevented from deviating and shifting during subsequent welding by the aid of the base, the fixing seat, the cell main body, the welding strip, the welding point, the fixing clamping piece, the adjusting screw, the sleeve, the buffer spring, the connecting block and the pressing pin.

Description

Downward pressing welding device for solar cell
Technical Field
The invention relates to the technical field of solar cell welding, in particular to a downward pressing welding device for solar cells.
Background
The solar cell slice usually uses high-purity monocrystalline silicon as a raw material, is the fastest developed solar cell, and the structure and the production process of the solar cell slice are established, so that the product is widely used in space and ground, and the solar cell slice and the welding strip need to be welded together in the manufacturing process of the solar cell slice.
The existing welding device is not beneficial to pressing down and positioning the welding strip and the battery piece during welding, the welding strip is easy to deviate and shift during welding, a welding head is easy to generate a large amount of heat after being used for a long time, and the welding head is damaged after being used for a long time.
Disclosure of Invention
The invention aims to provide a downward pressing welding device for solar cells, which is used for solving the problems that the prior art is not favorable for downward pressing and fixing a welding strip, a welding head is inconvenient to dissipate heat and the working efficiency is low.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a solar wafer's welding set that pushes down, includes base, laser welder head, cell main part and solder strip, the top of base is provided with the support body, and the inside top of support body is provided with the screw lead screw, the cover is equipped with the drive block on the screw lead screw, and the bottom of drive block is provided with the laser welder head, the top of support body one side is fixed with the second motor, and the output and the screw lead screw of second motor are connected, be provided with the carousel on the base of laser welder head below, and the inside top of base is fixed with first motor, and the output of first motor passes through the roller bearing and is connected with the carousel, the top of carousel evenly is provided with the fixing base, and has all placed the cell main part on the fixing base, the solder strip has all been placed on the top of cell main part, and the surface evenly distributed of cell main part has the welding point.
Preferably, all be fixed with fixed fastener on the carousel of fixing base both sides, and the top of fixed fastener has all passed adjusting screw, adjusting screw's bottom all is fixed with the sleeve, and telescopic inside all is provided with the connecting block through buffer spring, the bottom of connecting block all is fixed with the tucking, welds the area and takes place skew aversion when avoiding follow-up welding.
Preferably, the quantity of fixing base sets up to 4, and the contained angle between the fixing base is 90, does benefit to and realizes the multistation welding, improves work efficiency.
Preferably, a focusing lens is arranged at the top end inside the laser welding head, and a laser channel is arranged at the top end inside the laser welding head, so that laser beams can be focused favorably, and the accuracy of a welding position is improved.
Preferably, the cooling pipe is wound on the outer side of the laser welding head, a water inlet is formed in one end of the cooling pipe, and a water outlet is formed in the other end of the cooling pipe, so that the laser welding head can be cooled conveniently, and the service life of the laser welding head is prolonged.
Preferably, the top of the interior of the frame body is fixed with a guide rod, and the top of the driving block is in sliding sleeve joint with the guide rod through a guide sleeve, so that the driving block is guided and limited.
Compared with the prior art, the invention has the beneficial effects that:
(1) this solar wafer's welding set pushes down is through installing the base, a fixed base, the battery piece main part, weld the area, the welding point, fixed fastener, adjusting screw, the sleeve, buffer spring, connecting block and tucking, make to weld the area and put after the battery piece main part rotate adjusting screw make the tucking move down with weld the area contact, make to weld the area and support the surface of fixing at the battery piece main part, weld the area and take place skew aversion when avoiding follow-up welding, when the tucking supports to the welding area simultaneously, the top of connecting block produces the compression to buffer spring, certain surplus is left when making to push down through buffer spring's rebound effect, avoid producing rigidity extrusion to the battery piece main part and make its fracture damage.
(2) This solar wafer push down welding set is through installing laser welder head, focusing lens, laser passageway and cooling tube, and the one end of cooling tube is provided with the water inlet, and the other end is provided with the delivery port, lets in cold water to the cooling tube in, because the heat that laser beam produced carries out the heat exchange when being convenient for and welding, the cooling of the laser welder head of being convenient for, increase of service life, the focusing lens that sets up in the laser welder head in addition does benefit to focusing laser beam, improves welding position's accuracy.
(3) This solar wafer's welding set that pushes down is provided with four fixing bases on the carousel through installing first motor and carousel, and the contained angle between the fixing base is 90, and first motor drives the carousel rotatory, and the cell main part on the fixing base is rotatory to laser welder head under in proper order, and laser welder head will weld area and cell main part, does benefit to and realizes the multistation welding, improves work efficiency.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic top view of the turntable according to the present invention;
FIG. 3 is a schematic cross-sectional view of the fixing base of the present invention;
FIG. 4 is a cross-sectional view of a laser welding head according to the present invention.
In the figure: 1. a base; 2. a first motor; 3. a fixed seat; 4. fixing the clamping piece; 5. a threaded lead screw; 6. a drive block; 7. a laser welding head; 8. a second motor; 9. a frame body; 10. a turntable; 11. a cell body; 12. welding a strip; 13. a welding point; 14. a buffer spring; 15. adjusting the screw rod; 16. a sleeve; 17. connecting blocks; 18. pressing the needle; 19. a focusing lens; 20. a cooling tube; 21. and (3) a laser channel.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention is shown: a downward pressing welding device for solar cells comprises a base 1, a laser welding head 7, a cell main body 11 and a welding strip 12, wherein a frame body 9 is arranged at the top end of the base 1, a threaded screw rod 5 is arranged at the top end inside the frame body 9, a driving block 6 is sleeved on the threaded screw rod 5, the laser welding head 7 is arranged at the bottom end of the driving block 6, a guide rod is fixed at the top end inside the frame body 9, and the top end of the driving block 6 is in sliding sleeve joint with the guide rod through a guide sleeve;
the second motor 8 drives the threaded screw rod 5 to rotate, so that the driving block 6 drives the laser welding head 7 to horizontally displace, the welding position can be adjusted conveniently, and the guide sleeve slides on the guide rod to limit and guide during movement;
the top end inside the laser welding head 7 is provided with a focusing lens 19 which is beneficial to focusing laser beams and improving the accuracy of a welding position, and the top end inside the laser welding head 7 is provided with a laser channel 21;
a cooling pipe 20 is wound on the outer side of the laser welding head 7, a water inlet is formed in one end of the cooling pipe 20, a water outlet is formed in the other end of the cooling pipe 20, and cold water is introduced into the cooling pipe 20, so that heat exchange with heat generated by laser beams during welding is facilitated, cooling of the laser welding head 7 is facilitated, and the service life is prolonged;
a second motor 8 is fixed at the top end of one side of a frame body 9, the output end of the second motor 8 is connected with a threaded screw rod 5, a rotary table 10 is arranged on a base 1 below a laser welding head 7, a first motor 2 is fixed at the top end inside the base 1, the output end of the first motor 2 is connected with the rotary table 10 through a rolling shaft, fixing seats 3 are uniformly arranged at the top end of the rotary table 10, battery piece main bodies 11 are all placed on the fixing seats 3, welding strips 12 are all placed at the top ends of the battery piece main bodies 11, and welding points 13 are uniformly distributed on the surfaces of the battery piece main bodies 11;
the number of the fixed seats 3 is set to be 4, the included angles between the fixed seats 3 are 90 degrees, the first motor 2 drives the rotary table 10 to rotate through the rolling shaft, the cell main bodies 11 on the fixed seats 3 can be sequentially rotated to be right below the laser welding head 7, and the laser welding head 7 welds the welding strips 12 and the cell main bodies 11, so that multi-station welding is facilitated, and the working efficiency is improved;
the rotary tables 10 on two sides of the fixed seat 3 are respectively fixed with a fixed clamping piece 4, the top ends of the fixed clamping pieces 4 penetrate through adjusting screws 15, the bottom ends of the adjusting screws 15 are respectively fixed with a sleeve 16, the insides of the sleeves 16 are respectively provided with a connecting block 17 through a buffer spring 14, and the bottom ends of the connecting blocks 17 are respectively fixed with a pressing pin 18;
after the welding strip 12 is placed on the cell main body 11, the adjusting screw 15 is rotated to enable the pressing pin 18 to move downwards to be in contact with the welding strip 12, so that the welding strip 12 is pressed and fixed on the surface of the cell main body 11, the welding strip 12 is prevented from deviating and shifting during subsequent welding, meanwhile, when the pressing pin 18 presses the welding strip 12, the top of the connecting block 17 compresses the buffer spring 14, a certain margin is reserved during pressing downwards through the resilience effect of the buffer spring 14, and the cell main body 11 is prevented from being broken and damaged due to rigid extrusion;
the specific model specifications of the first motor 2, the second motor 8 and the laser welding head 7 need to be calculated and determined according to the model selection of the specification parameters and the like of the device, and the model selection calculation method is the prior art, so detailed description is omitted.
The working principle is as follows: when the device is used, the welding strip 12 is placed on the cell main body 11, the adjusting screw 15 is rotated to enable the pressing pin 18 to move downwards to be in contact with the welding strip 12, the welding strip 12 is pressed and fixed on the surface of the cell main body 11, the welding strip 12 is prevented from deviating and shifting during subsequent welding, meanwhile, when the pressing pin 18 is pressed against the welding strip 12, the top of the connecting block 17 compresses the buffer spring 14, a certain margin is reserved during pressing downwards through the resilience of the buffer spring 14, the cell main body 11 is prevented from being rigidly extruded to be broken and damaged, then a laser emitter in the laser welding head 7 emits a laser beam which is emitted to a welding point 13 on the cell main body 11 below through a laser channel 21, the welding strip 12 and the cell main body 11 are welded together, the second motor 8 drives the thread screw 5 to rotate, so that the driving block 6 drives the laser welding head 7 to horizontally displace, do benefit to and adjust welding position, the focusing lens 19 that sets up in the laser welder head 7 does benefit to focus on laser beam, improve welding position's accuracy, in addition, let in cold water to the cooling tube 20 in, be convenient for carry out the heat exchange because the heat that laser beam produced when welding, the cooling of the laser welder head 7 of being convenient for, increase of service life, because contained angle between the fixing base 3 is 90, first motor 2 passes through the roller bearing and drives the carousel 10 rotatory, can be rotatory to laser welder head 7 under with battery piece main part 11 on the fixing base 3 in proper order, laser welder head 7 will weld area 12 and battery piece main part 11 and weld, do benefit to and realize the multistation welding, and the work efficiency is improved.

Claims (6)

1. A downward pressing welding device for solar cells is characterized by comprising a base (1), a laser welding head (7), a cell main body (11) and a welding belt (12), wherein a frame body (9) is arranged at the top end of the base (1), a threaded screw rod (5) is arranged at the top end inside the frame body (9), a driving block (6) is sleeved on the threaded screw rod (5), the laser welding head (7) is arranged at the bottom end of the driving block (6), a second motor (8) is fixed at the top end of one side of the frame body (9), the output end of the second motor (8) is connected with the threaded screw rod (5), a turntable (10) is arranged on the base (1) below the laser welding head (7), a first motor (2) is fixed at the top end inside the base (1), and the output end of the first motor (2) is connected with the turntable (10) through a rolling shaft, the top of carousel (10) evenly is provided with fixing base (3), and all has placed battery piece main part (11) on fixing base (3), weld area (12) have all been placed on the top of battery piece main part (11), and the surperficial evenly distributed of battery piece main part (11) has welding point (13).
2. The downward press welding device for the solar cell piece according to claim 1, wherein: all be fixed with fixed fastener (4) on carousel (10) of fixing base (3) both sides, and the top of fixed fastener (4) has all passed adjusting screw (15), the bottom of adjusting screw (15) all is fixed with sleeve (16), and the inside of sleeve (16) all is provided with connecting block (17) through buffer spring (14), the bottom of connecting block (17) all is fixed with tucking (18).
3. The downward press welding device for the solar cell piece according to claim 1, wherein: the quantity of fixing base (3) sets up to 4, and the contained angle between fixing base (3) is 90.
4. The downward press welding device for the solar cell piece according to claim 1, wherein: the top end in the laser welding head (7) is provided with a focusing lens (19), and the top end in the laser welding head (7) is provided with a laser channel (21).
5. The downward press welding device for the solar cell piece according to claim 1, wherein: the outer side of the laser welding head (7) is wound with a cooling pipe (20), a water inlet is formed in one end of the cooling pipe (20), and a water outlet is formed in the other end of the cooling pipe (20).
6. The downward press welding device for the solar cell piece according to claim 1, wherein: the top of support body (9) inside is fixed with the guide bar, the top of drive block (6) is through uide bushing and guide bar slip cup joint.
CN202110582640.8A 2021-05-27 2021-05-27 Downward pressing welding device for solar cell Withdrawn CN113263264A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110582640.8A CN113263264A (en) 2021-05-27 2021-05-27 Downward pressing welding device for solar cell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110582640.8A CN113263264A (en) 2021-05-27 2021-05-27 Downward pressing welding device for solar cell

Publications (1)

Publication Number Publication Date
CN113263264A true CN113263264A (en) 2021-08-17

Family

ID=77233128

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110582640.8A Withdrawn CN113263264A (en) 2021-05-27 2021-05-27 Downward pressing welding device for solar cell

Country Status (1)

Country Link
CN (1) CN113263264A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115255751A (en) * 2022-09-29 2022-11-01 江苏圣鑫光伏科技有限公司 Solar aluminum frame welding processing device for photovoltaic module
CN116160116A (en) * 2023-03-04 2023-05-26 重庆合利众恒科技有限公司 Welding process of folding screen assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115255751A (en) * 2022-09-29 2022-11-01 江苏圣鑫光伏科技有限公司 Solar aluminum frame welding processing device for photovoltaic module
CN116160116A (en) * 2023-03-04 2023-05-26 重庆合利众恒科技有限公司 Welding process of folding screen assembly

Similar Documents

Publication Publication Date Title
CN113263264A (en) Downward pressing welding device for solar cell
CN109623220A (en) Converge welder and solar cell chip bonding machine
CN103831586A (en) New process for manufacturing screen drum by utilizing strip-shaped screen
CN212170180U (en) Nail anvil component processing and positioning jig
CN210450650U (en) Stamping part positioning mechanism
CN114029618B (en) Lithium battery laser welding equipment for new energy automobile and use method
CN216966643U (en) Downward pressing welding device for solar cell
CN113102887A (en) Omnibearing laser welding production line and welding method thereof
CN216227584U (en) Laser flat-bottom opening flattening machine
CN112846994A (en) Laser welded pipe production line for pipe machining and production method
CN212885659U (en) Butt-joint welder for processing starting motor stator
CN212885903U (en) Full-automatic welding robot
CN215356840U (en) Automatic welding machine with welding wire feeding device
CN220297190U (en) Foam cutting device
CN110000457A (en) A kind of freely adjustable electric resistance welder
CN220312252U (en) Efficient welding tool
CN213257864U (en) Automobile welding fixture with pressing mechanism
CN221064788U (en) Cooling fin plate pointing machine convenient to clean
CN214024232U (en) Pipe shrouding weldment work station
CN114952964B (en) Device and method for quickly correcting insulating sheet of micro-channel laser
CN214350310U (en) Laser cutting machine for pipes
CN109262171A (en) A kind of light emitting diode production bonding equipment material clamping device
CN220944557U (en) Glass lens edging equipment
CN217316355U (en) Spot welding machine convenient to position and used for machining engine shell
CN215035688U (en) Liquid pipe fitting of liquid filling machine adds uses anchor clamps stop gear

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20210817