CN112935667A - Automatic metal plate butt-welding equipment - Google Patents
Automatic metal plate butt-welding equipment Download PDFInfo
- Publication number
- CN112935667A CN112935667A CN202110154126.4A CN202110154126A CN112935667A CN 112935667 A CN112935667 A CN 112935667A CN 202110154126 A CN202110154126 A CN 202110154126A CN 112935667 A CN112935667 A CN 112935667A
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- sheet metal
- butt
- adjusting rod
- connecting ring
- lower electrode
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- 239000002184 metal Substances 0.000 title claims abstract description 77
- 238000003466 welding Methods 0.000 title claims abstract description 76
- 238000003825 pressing Methods 0.000 claims abstract description 43
- 238000001816 cooling Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 abstract description 6
- 239000000498 cooling water Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- 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
- B23K37/003—Cooling means
-
- 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
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses automatic sheet metal butt-welding equipment, which comprises a lower electrode workbench and a pressing assembly, wherein the lower electrode workbench is used for placing sheet metal parts, the pressing assembly is used for fixing the sheet metal parts, the pressing assembly is arranged on the lower electrode workbench, and the pressing assembly comprises: the pressing strip, the connecting ring and the adjusting rod are arranged on the base; one end of the pressing strip abuts against the surface of the sheet metal part, the other end of the pressing strip is fixedly connected with a connecting ring, the connecting ring is movably sleeved on the adjusting rod, and the connecting ring can rotate along the axis direction of the adjusting rod; one end of the adjusting rod, which is far away from the connecting ring, extends into the through groove and is connected with the lower electrode workbench, and the adjusting rod can lift along the vertical direction so as to adjust the horizontal height of the pressing strip. The clamping fixing of different positions of the pressing strip can be carried out according to the structure of the sheet metal part, and the problem that the sheet metal part is easy to deform in the welding process is solved.
Description
Technical Field
The invention belongs to the field of butt-welding devices, and particularly relates to automatic metal plate butt-welding equipment.
Background
The sheet metal component is as present widely used metal finished piece, and it is not only easy shaping and machining efficiency high, with low costs, and the welding of sheet metal component needs accurate control, because the sheet metal component body is thin and hardness is lacked to some extent, when welding, if do not carry out good fixed, then very easily because the condition such as take place to warp that is heated, cause the appearance of course of working to destroy, consequently to sheet metal component welding set, the fixed link of vital importance of sheet metal component.
The clamping sheet metal part of the conventional sheet metal automatic butt-welding equipment is simple in structure, and for different sheet metal parts, the clamping cannot be stabilized on the sheet metal parts with different thicknesses during welding, so that the practicability of the sheet metal automatic butt-welding equipment is reduced.
Disclosure of Invention
In view of the above, the main purpose of the present invention is to solve the problem that sheet metal parts with different thicknesses cannot be stably clamped, so that the practicability of the automatic sheet metal butt-welding equipment is reduced.
The invention provides automatic sheet metal butt-welding equipment, which comprises a lower electrode workbench for placing sheet metal parts and a pressing assembly for fixing the sheet metal parts, wherein the pressing assembly is arranged on the lower electrode workbench, and the automatic sheet metal butt-welding equipment is characterized by comprising: the pressing strip, the connecting ring and the adjusting rod are arranged on the base; one end of the pressing strip abuts against the surface of the sheet metal part, the other end of the pressing strip is fixedly connected with a connecting ring, the connecting ring is movably sleeved on the adjusting rod, and the connecting ring can rotate along the axis direction of the adjusting rod; one end of the adjusting rod, which is far away from the connecting ring, extends into the through groove and is connected with the lower electrode workbench, and the adjusting rod can lift along the vertical direction so as to adjust the horizontal height of the pressing strip.
In some embodiments of the invention, a sliding block is arranged in the lower electrode workbench, and one end of the adjusting rod, which is far away from the connecting ring, penetrates through the sliding block and is in threaded connection with the inner wall of the sliding block.
In some embodiments of the invention, an end of the adjusting rod away from the connecting ring is fixedly connected with a butting ring, and an upper end face of the butting ring can be butted with a lower end face of the sliding block.
In some embodiments of the present invention, a sliding groove is disposed inside the lower electrode stage, and the sliding groove and the through groove are vertically communicated with each other; the sliding block is arranged in the sliding groove, so that the adjusting rod connected with the sliding block can move along the length direction of the sliding groove.
In some embodiments of the present invention, the upper end surface and the lower end surface of the slide block are each abutted against an inner wall of the lower electrode stage.
In some embodiments of the present invention, a plurality of limiting grooves are formed in the upper surface of the lower electrode stage at equal intervals along the length direction of the sliding groove, and the limiting grooves are communicated with the through groove; the connecting ring can extend into the limiting groove to be abutted against the lower electrode workbench so as to fix the adjusting rod.
In some embodiments of the invention, a clamping groove is arranged inside the connecting ring, and one end of the adjusting rod, which is close to the connecting ring, is fixedly connected with the clamping ring; when the connecting ring is sleeved on the adjusting rod, the clamping ring is connected with the clamping groove in a clamping mode.
In some embodiments of the invention, a buffer layer is arranged on an end face of the pressing strip close to the sheet metal part.
In some embodiments of the present invention, the automatic sheet metal butt-welding device further includes a butt-welding host, and the butt-welding host is connected with an upper electrode gun head so as to weld the sheet metal parts.
In some embodiments of the invention, the automatic sheet metal butt-welding apparatus further comprises a cooling assembly for cooling the butt-welding host.
The automatic sheet metal butt-welding equipment provided by the invention has the following beneficial effects:
1. adopt and compress tightly strip and go-between fixed connection, be connected with joint groove buckle through joint ring for go-between movable sleeve establishes on adjusting the pole, and the go-between can rotate along the axis direction of adjusting the pole, thereby compress tightly the strip and can rotate in step, when the welding, the staff adjusts the position that compresses tightly strip and sheet metal component contact through rotating, it can carry out the centre gripping of different positions according to the structure of sheet metal component and fix to have realized compressing tightly the strip, avoided the sheet metal component in welding process, the problem of easy emergence deformation.
2. When the sheet metal component of the not unidimensional of centre gripping needs, remove in the spout through the sliding block, make and adjust the pole and drive the go-between in step and remove, when adjusting to suitable centre gripping size, staff's rotating adjusts the pole, make the go-between stretch into spacing groove on the bottom electrode workstation and the outer wall butt of bottom electrode workstation, can be to the fixed of go-between, thereby realize according to the size of a dimension of sheet metal component, the practicality of the automatic butt-joint equipment of panel beating has been improved effectively to the effect of adjusting centre gripping size in real time.
3. Through adjusting the pole rotating, can adjust the level of fixing the centre gripping strip on the go-between to make the centre gripping strip be applicable to the centre gripping to the sheet metal component of different thickness.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is an overall structural view of an automatic sheet metal butt-welding apparatus according to an embodiment of the present invention;
fig. 2 is a top view structural diagram of a lower electrode worktable of an automatic sheet metal butt-welding device according to an embodiment of the present invention;
fig. 3 is an overall structural view of a pressing assembly of the automatic sheet metal butt-welding device according to an embodiment of the present invention;
fig. 4 is a cross-sectional structure diagram of a lower electrode worktable of an automatic sheet metal butt-welding device according to an embodiment of the present invention;
fig. 5 is an enlarged view of fig. 4 at a.
Wherein the figures include the following reference numerals:
10. butt-welding a host machine; 11. a main intake splitter; 12. a transverse air valve pedal switch; 13. a vertical air valve pedal switch; 14. an upper electrode gun head; 15. the butt-welding upper and lower electrodes are electrified to control the regulator; 16. the butt-welding upper and lower electrodes are electrified to control the adjusting head; 17. a lateral movement cylinder; 18. a vertical movement cylinder; 19. the telescopic connecting pipe of the upper electrode is welded in a collision mode; 20. a lower electrode stage; 21. a through groove; 22. a limiting groove; 23. a chute; 31. a double cooling water tank; 32. a butt-welding host machine cooling pump; 33. touch welding an upper electrode cooling water pump; 34. cooling the water inlet pipe by the butt-welding host machine; 35. cooling the water return pipe by the butt-welding host machine; 36. touch welding an upper electrode cooling water inlet pipe; 37. touch welding an upper electrode cooling water return pipe; 40. a compression assembly; 41. compressing the strips; 42. a connecting ring; 4201. a clamping groove; 43. adjusting a rod; 4301. a snap ring; 4302. a butting ring; 44. and a slider.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, 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 to 5, an automatic sheet metal butt-welding device of the present application is shown, which includes a lower electrode worktable 20 for placing sheet metal parts and a pressing assembly 40 for fixing sheet metal parts, wherein the pressing assembly 40 is disposed on the lower electrode worktable 20, and is characterized in that the pressing assembly 40 includes: a pressing bar 41, a connecting ring 42 and an adjusting bar 43; one end of the pressing strip 41 is abutted against the surface of the sheet metal part, the other end of the pressing strip 41 is fixedly connected with a connecting ring 42, the connecting ring 42 is movably sleeved on the adjusting rod 43, and the connecting ring 42 can rotate along the axial direction of the adjusting rod 43; wherein, the end of the adjusting rod 43 far from the connecting ring 42 extends into the through slot 21 and is connected with the lower electrode worktable 20, and the adjusting rod 43 can be lifted along the vertical direction, so as to adjust the horizontal height of the pressing strip 41.
By applying the technical scheme of the embodiment, in the welding process, a worker places a sheet metal part on the lower electrode workbench 20, the pressing strip 41 is fixedly connected with the connecting ring 42, the connecting ring 42 can rotate along the axial direction of the adjusting rod 43, so that the pressing strip 41 can synchronously rotate, the worker can adjust the pressing strip 41 to be in contact with the sheet metal part at different positions through rotation, so that the pressing strip 41 can clamp and fix the sheet metal part at different positions according to the structure of the sheet metal part, after the clamping position of the pressing strip 41 is determined, the worker rotates the adjusting rod 43 to enable the adjusting rod 43 to extend into the lower electrode workbench 20, so that the pressing strip 41 applies extrusion force to the sheet metal part, the pressing strip 41 is effectively prevented from shifting in the pressing process, and the horizontal height of the clamping strip 41 fixed on the connecting ring 42 can be adjusted through rotation of the adjusting rod 43, so that the clamping strip 43 is suitable for clamping sheet metal parts of different thicknesses.
Referring to fig. 3 and 4, a sliding block 44 is disposed in the lower electrode stage 20, and an end of the adjusting rod 43 away from the connecting ring 42 passes through the sliding block 44 and is in threaded connection with an inner wall of the sliding block 44. Thus, the slide block 44 does not move in the vertical direction, and the adjustment lever 43 is vertically lifted by screwing the adjustment lever 43 to the slide block 44 provided in the lower electrode stage 20.
In some alternative embodiments, an end of the adjusting rod 43 away from the connecting ring 42 is fixedly connected with an abutting ring 4302, and an upper end surface of the abutting ring 4302 can abut against a lower end surface of the sliding block 44. In this way, by providing the abutting ring 4302, the problem that the adjustment lever 43 is separated from the slide block 44 in the process of rotating the adjustment lever 43 can be avoided.
Further referring to fig. 4, a sliding groove 23 is formed in the lower electrode worktable 20, and the sliding groove 23 is vertically communicated with the through groove 21; the slide block 44 is provided in the slide groove 23 so that the adjustment lever 43 connected to the slide block 44 can move in the longitudinal direction of the slide groove 23. In this way, the adjusting rod 43 can move along the length direction of the sliding chute 23, thereby achieving the effect of changing the clamping size.
Specifically, the upper end surface and the lower end surface of the slide block 44 are each abutted against the inner wall of the lower electrode stage 20. This improves the stability of the slider 44 during movement.
In some optional embodiments, a plurality of limiting grooves 22 are formed in the upper surface of the lower electrode stage 20 at equal intervals along the length direction of the sliding groove 23, and the limiting grooves 22 are communicated with the through groove 21; wherein, the connecting ring 42 can extend into the limiting groove 22 to abut against the lower electrode worktable 20 so as to fix the adjusting rod 43.
This kind of structural design, when the not unidimensional sheet metal component of needs centre gripping, move in spout 23 through sliding block 44, make and adjust pole 43 and drive go-between 42 and remove in step, when adjusting to suitable centre gripping size, staff's rotating regulation pole 43, make go-between 42 stretch into spacing groove 22 on the bottom electrode workstation 20 and bottom electrode workstation 20's outer wall butt, can be to go-between 42's fixed, thereby realize the size of a dimension according to the sheet metal component, the effect of adjusting centre gripping size in real time has improved the practicality of the automatic butt-joint equipment of panel beating effectively.
In some alternative embodiments, the connecting ring 42 is provided with a clamping groove 4201 inside, and one end of the adjusting rod 43 close to the connecting ring 42 is fixedly connected with a clamping ring 4301; when the connection ring 42 is sleeved on the adjustment rod 43, the clamping ring 4301 is connected with the clamping groove 4201 in a clamping manner. Thus, the clamping ring 4301 is buckled with the clamping groove clamp 4201, so that the connecting ring 42 is movably sleeved on the adjusting rod 43, and the connecting ring 42 can rotate along the axial direction of the adjusting rod 43.
In some alternative embodiments, a buffer layer is arranged on one end face of the pressing strip 41 close to the sheet metal part. Thus, the problem that the sheet metal part is easy to wear caused by the direct contact of the pressing strip 41 and the sheet metal part can be avoided,
referring to fig. 1, the automatic sheet metal butt-welding device further includes a butt-welding main machine 10, and the butt-welding main machine 10 is connected with an upper electrode gun head 14 to weld the sheet metal parts. The power supply of the butt-welding host 10 is switched on through a host startup power switch, the appropriate parameters of the host parameter controller are adjusted according to the thickness of the spliced metal plates, the butt-welding host cooling pump 32 and the butt-welding upper electrode cooling water pump 33 are started, the external air valve of the main air inlet splitter 11 is opened, then, a splicing sheet metal part is put on the lower electrode workbench 20 and is positioned well through the clamping assembly 40, then the vertical air valve pedal switch 13 is pedaled, the upper electrode gun head 14 is quickly descended and tightly presses the workpiece to a butt-welding upper and lower electrode electrifying control adjusting head 16 through a vertical moving air cylinder 18, and presses to a signal connection section of a butt-welding upper and lower electrode electrifying control adjuster 15, meanwhile, signals are transmitted to the rapid butt-welding control device and are immediately electrified to generate welding spots, the vertical air valve pedal switch 13 is released, the upper electrode gun head 14 is rapidly lifted through the vertical moving air cylinder 18, and the action can be rapidly circulated. The adjustment of the welding point position of the workpiece can be completed by stepping the transverse air valve and the pedal switch 12 through the transverse moving air cylinder 17.
According to the structural design, the vertical and horizontal double pneumatic cylinders are in linkage fit, and the pre-pressure can be increased by using the cylinders so as to stably and effectively eliminate the gaps between the workpieces, so that the surfaces of the workpieces are tightly attached. When the electrode is lowered to the current connection stage, the electrode is guaranteed to tightly press the workpieces, so that proper pressure exists between the workpieces, the workpieces are easily and tightly attached, welding spot explosion and splashing are effectively prevented, the upper electrode and the lower electrode are uniformly contacted with the workpieces, and the welding spots are uniformly heated, so that the flatness of the welding surface of the workpieces is achieved.
With further reference to fig. 1, the automatic sheet metal butt-welding apparatus further includes a cooling assembly for cooling the butt-welding main machine 10. Thus, the cooling of the butt-welding host 10 is carried out by entering the cooling water inlet pipe 34 of the butt-welding host through the cooling pump 32 of the butt-welding host, returning the cooling water return pipe 35 of the butt-welding host into the 31 double cooling water tanks after the cooling system of the circulating host is networked, and then cooling the upper electrode gun head 14 is carried out by entering the cooling water inlet pipe 36 of the butt-welding upper electrode through the cooling water pump 33 of the butt-welding upper electrode into the circulating upper electrode cooling pipeline and returning the cooling water return pipe 17 of the butt-welding upper electrode into the double cooling water tanks 31.
The structural design utilizes a double-cooling system and a series-connection voltage division mode control system (which can be freely adjusted according to the thickness of materials, and can be instantly electrified in a current connection stage when the control system senses that proper pressure exists between electrodes and pressing workpieces when the workpieces are placed on upper and lower electrode workbenches to normally operate so as to enable the contact surface of the workpieces to be heated and locally melted to form a nugget and the nugget to be cooled and solidified under the pressure to form a welding spot) in the rapid welding process to rapidly reduce the temperature, thereby saving energy and enabling the equipment to normally work under a rapid mode.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An automatic sheet metal butt-welding device comprises a lower electrode workbench (20) used for placing sheet metal parts and a pressing assembly (40) used for fixing the sheet metal parts, wherein the pressing assembly (40) is configured on the lower electrode workbench (20), and is characterized in that the pressing assembly (40) comprises: a pressing strip (41), a connecting ring (42) and an adjusting rod (43);
one end of the pressing strip (41) is abutted against the surface of the sheet metal part, the other end of the pressing strip (41) is fixedly connected with a connecting ring (42), the connecting ring (42) is movably sleeved on the adjusting rod (43), and the connecting ring (42) can rotate along the axial direction of the adjusting rod (43);
one end of the adjusting rod (43), which is far away from the connecting ring (42), extends into the through groove (21) and is connected with the lower electrode workbench (20), and the adjusting rod (43) can be lifted along the vertical direction so as to adjust the horizontal height of the pressing strip (41).
2. An automatic sheet metal butt-welding device according to claim 1, wherein a sliding block (44) is arranged in the lower electrode workbench (20), and one end of the adjusting rod (43) far away from the connecting ring (42) penetrates through the sliding block (44) and is in threaded connection with the inner wall of the sliding block (44).
3. An automatic sheet metal butt-welding device according to claim 2, characterized in that one end of the adjusting rod (43) far away from the connecting ring (42) is fixedly connected with a butt-joint ring (4302), and the upper end face of the butt-joint ring (4302) can be abutted against the lower end face of the sliding block (44).
4. The automatic sheet metal butt-welding equipment according to claim 2, wherein a sliding groove (23) is formed in the lower electrode workbench (20), and the sliding groove (23) is vertically communicated with the through groove (21);
wherein the sliding block (44) is arranged in the sliding groove (23) so that the adjusting rod (43) connected with the sliding block (44) can move along the length direction of the sliding groove (23).
5. An automatic sheet metal butt-welding device according to claim 2, wherein the upper end face and the lower end face of the sliding block (44) are abutted against the inner wall of the lower electrode table (20).
6. The automatic sheet metal butt-welding equipment according to claim 1, wherein a plurality of limiting grooves (22) are formed in the upper surface of the lower electrode workbench (20) at equal intervals along the length direction of the sliding groove (23), and the limiting grooves (22) are communicated with the through groove (21);
the connecting ring (42) can extend into the limiting groove (22) to be abutted against the lower electrode workbench (20) so as to fix the adjusting rod (43).
7. The automatic sheet metal butt-welding equipment according to claim 1, wherein a clamping groove (4201) is formed in the connecting ring (42), and a clamping ring (4301) is fixedly connected to one end, close to the connecting ring (42), of the adjusting rod (43);
when the connecting ring (42) is sleeved on the adjusting rod (43), the clamping ring (4301) is connected with the clamping groove (4201) in a clamping mode.
8. An automatic sheet metal butt-welding device according to claim 1, wherein a buffer layer is arranged on one end face, close to the sheet metal part, of the pressing strip (41).
9. An automatic sheet metal butt-welding device according to claim 1, further comprising a butt-welding main machine (10), wherein the butt-welding main machine (10) is connected with an upper electrode gun head (14) so as to weld the sheet metal parts.
10. An automatic sheet metal butt-welding device according to claim 9, characterized in that it further comprises a cooling assembly for cooling the butt-welding main machine (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110154126.4A CN112935667A (en) | 2021-02-04 | 2021-02-04 | Automatic metal plate butt-welding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110154126.4A CN112935667A (en) | 2021-02-04 | 2021-02-04 | Automatic metal plate butt-welding equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112935667A true CN112935667A (en) | 2021-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110154126.4A Pending CN112935667A (en) | 2021-02-04 | 2021-02-04 | Automatic metal plate butt-welding equipment |
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| Country | Link |
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| CN (1) | CN112935667A (en) |
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| CN209021500U (en) * | 2018-08-24 | 2019-06-25 | 合肥龙兴钢结构有限公司 | A kind of welding positioner of special-shaped steel structure part |
| CN210427211U (en) * | 2019-06-27 | 2020-04-28 | 浙江锋锂新能源科技有限公司 | Lithium ion battery extrusion test fixture |
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|---|---|---|---|---|
| CN102773599A (en) * | 2012-08-09 | 2012-11-14 | 深圳市鸿栢科技实业有限公司 | Table type miniature spot welder using digital signal processor (DSP) high frequency inverter technology |
| CN205949623U (en) * | 2016-08-09 | 2017-02-15 | 河南远中电力设备有限公司 | Material stripping device for punching electric iron accessory |
| CN207188983U (en) * | 2017-02-16 | 2018-04-06 | 广东普电自动化科技股份有限公司 | A kind of double-side double-head medium frequency inverter dc point projection welder |
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Application publication date: 20210611 |