CN109396598B - Welding strip positioning device and welding strip moving and placing equipment - Google Patents
Welding strip positioning device and welding strip moving and placing equipment Download PDFInfo
- Publication number
- CN109396598B CN109396598B CN201811382154.6A CN201811382154A CN109396598B CN 109396598 B CN109396598 B CN 109396598B CN 201811382154 A CN201811382154 A CN 201811382154A CN 109396598 B CN109396598 B CN 109396598B
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- CN
- China
- Prior art keywords
- bearing plate
- welding
- bearing
- welding strip
- moving
- 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.)
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Links
- 238000003466 welding Methods 0.000 title claims abstract description 131
- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 229910000679 solder Inorganic materials 0.000 claims description 26
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
-
- 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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
-
- 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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
-
- 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
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Resistance Welding (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention relates to a welding strip positioning device and welding strip moving and placing equipment. The welding strip positioning device comprises a first bearing plate, a second bearing plate and a bearing plate driving mechanism, wherein one of the first bearing plate and the second bearing plate is provided with a bearing plate groove for accommodating a welding strip, and the other one of the first bearing plate and the second bearing plate is provided with a bearing plate bulge corresponding to the bearing plate groove; one of the first bearing plate or the second bearing plate is driven by the bearing plate driving mechanism to approach or separate from the other one of the first bearing plate or the second bearing plate. According to the welding strip fixing device, the welding strip is fixed in the groove through the matching of the groove and the bulge arranged on the second bearing plate or the first bearing plate, so that the accurate position of the welding strip can be ensured, and the welding efficiency is improved.
Description
Technical Field
The invention relates to solar cell module manufacturing equipment, in particular to a welding strip positioning device and welding strip moving and releasing equipment.
Background
In the production of solar cell modules, a plurality of cell sheets and solder strips need to be welded into a cell string. The battery string is obtained by welding at least two battery pieces with a welding strip. When the battery string is produced or reworked, the welding procedure between the battery piece and the welding strip is an important link.
In the welding process, it is necessary to accurately position the welding strip on the main grid line of the battery cell. However, in actual production, the solder strip is easily offset from the main grid line of the battery piece, and thus the solder strip cannot be accurately welded on the battery piece.
Therefore, there is a need for a solder strip positioning device that holds a solder strip in a predetermined position and a solder strip transfer apparatus employing the same.
Disclosure of Invention
Aiming at the problem that the existing welding strip is easy to deviate, the invention provides a welding strip positioning device capable of keeping the welding strip at a preset position; in addition, a welding strip moving and placing device adopting the welding strip positioning device is also provided.
The technical scheme of the welding strip positioning device is as follows: the welding strip positioning device comprises a first bearing plate, a second bearing plate and a bearing plate driving mechanism, wherein one of the first bearing plate and the second bearing plate is provided with a bearing plate groove for accommodating a welding strip, and the other one of the first bearing plate and the second bearing plate is provided with a bearing plate bulge corresponding to the bearing plate groove; one of the first bearing plate or the second bearing plate is driven by the bearing plate driving mechanism to approach or separate from the other one of the first bearing plate or the second bearing plate. Through the cooperation of recess and protruding that sets up on second bearing plate or first bearing plate, make the welding area fix in the recess, can guarantee the exact position of welding area, improve welding efficiency.
Further, the welding strip positioning device further comprises a bearing plate transverse moving mechanism, the second bearing plate and the bearing plate driving mechanism are arranged on the bearing plate transverse moving mechanism, the first bearing plate is arranged on the bearing plate driving mechanism, and the bearing plate transverse moving mechanism drives the first bearing plate, the second bearing plate and the bearing plate driving mechanism to move along the first horizontal direction. The second bearing plate or the first bearing plate can move along the length direction by the bearing plate transverse moving mechanism, so that the welding strips at different positions can be positioned.
Further, the bearing plate transverse moving mechanism is arranged on the welding disassembly support, the welding disassembly support moving device is arranged on the welding disassembly support, and the welding disassembly support moves along the second horizontal direction under the driving of the welding disassembly support moving device. The transverse moving mechanism of the bearing plate is arranged on the welding disassembly support, and the welding disassembly support can drive the positioning device to move along the length direction of the battery string, so that welding strips on different battery boards can be positioned.
Further, two groups of welding strip positioning devices are symmetrically arranged on the welding strip disassembly support. The two sets of welding strip positioning devices are arranged to position the welding strips from the two sides of the battery string respectively, so that the production efficiency is improved.
Further, the bearing plate driving mechanism and the bearing plate transverse moving mechanism both adopt air cylinders, and the welding disassembly support moving device adopts a motor. The driving mechanism and the bearing plate transverse moving mechanism are all air cylinders, the structure is simple, the technology is mature, and the universality is high.
Further, the bearing plate grooves and the bearing plate protrusions are arranged in a plurality. By arranging a plurality of grooves and protrusions, the welding device is applicable to the welding of battery strings with a plurality of welding strips.
The technical scheme of the welding strip moving and placing equipment is as follows: the welding strip moving and releasing equipment comprises a bearing part and a welding strip positioning device, wherein the welding strip positioning device is arranged on the bearing part; the bearing part is configured to bear a battery string, and the battery string is of a string structure formed by connecting battery pieces by using welding strips. The welding strip moving and placing equipment with the welding strip positioning device can prevent the welding strip from shifting, and improves the quality of the battery string.
Further, the bearing part comprises a first sliding rail, a bearing table and a bearing table shifting device, a plurality of bearing tables are in sliding fit on the first sliding rail, and the bearing table shifting device shifts the bearing tables to slide along the first sliding rail; the welding strip positioning device is arranged on the bearing table shifting device. The welding strip positioning device can move along with the bearing table shifting device to position welding strips at different positions.
Further, the number of the bearing table shifting devices is two, and each bearing table shifting device is provided with two groups of welding strip positioning devices. This arrangement makes the whole device compact and saves space.
Further, the welding strip moving and placing device further comprises a welding part, wherein the welding part is arranged on the bearing part, and the battery piece borne on the bearing part is welded with the welding strip. The welding strip moving and placing equipment comprising the welding part can realize the function of welding the battery strings at the same time, and the structure of the welding strip moving and placing equipment is simplified.
Drawings
Fig. 1 is a schematic perspective view of a solder strip moving and placing device in the present invention. .
Fig. 2 is a top view of fig. 1.
Fig. 3 is a schematic perspective view of a first toggle mechanism and a solder strip positioning device according to the present invention.
Fig. 4 is a front view of fig. 3.
Fig. 5 is a top view of fig. 3.
Fig. 6 is a schematic perspective view of a second toggle mechanism and a solder strip positioning device according to the present invention.
In fig. 1 to 6, the welding machine comprises a bearing part 10, a first sliding rail 11, a bearing table 12, a notch 121, a bearing table shifting device 13, a first shifting mechanism 131, a first shifting device 1314, a second shifting mechanism 132, a second shifting device 1324, a welding strip positioning device 14, a first bearing plate 141, a second bearing plate 142, a bearing plate groove 143, a bearing plate protrusion 144, a bearing plate driving mechanism 145, a bearing plate traversing mechanism 146, a welding-releasing bracket 147, a welding-releasing bracket shifting device 148, a welding-releasing seat 149, a second sliding rail 15, a welding strip pressing device 16, a third sliding rail 17, a fourth sliding rail 18, a welding part 30, a battery string 100, a welding strip 101 and a battery piece 102.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1 to 2, the welding strip moving and placing device mainly comprises: a carrying part 10, a welding strip positioning device 14 and a welding part 30.
The carrying portion 10 is for carrying the battery string 100. The bearing part 10 comprises a first sliding rail 11, a bearing table 12 and a bearing table shifting device 13, wherein a plurality of bearing tables 12 are in sliding fit on the first sliding rail 11, and the bearing table shifting device 13 shifts the bearing tables 12 to slide along the first sliding rail 11. The first slide rails 11 are generally two and arranged in parallel in pairs. The carrying platform shifting device 13 shifts the carrying platforms 12 to slide along the first sliding rail 11, so that welding and maintenance of the battery pieces 100 possibly appearing on each carrying platform 12 can be realized.
Optionally, the carrier toggle device 13 is slidably fitted on the second slide rail 15, and the second slide rail 15 is arranged parallel to the first slide rail 11. The bearing table shifting device 13 is arranged on the second sliding rail 15, so that the structure is simple and the reliability is high.
The carrier toggle arrangement 13 comprises a first toggle mechanism 131 and a second toggle mechanism 132. The first toggle mechanism 131 toggles each of the stages 12 on one side of the target stage 12 to slide in a direction away from the target stage 12, and the second toggle mechanism 132 toggles each of the stages 12 on the other side of the target stage 12 to slide in a direction away from the target stage 12. The two shifting mechanisms respectively shift the bearing tables 12 on two sides of the target bearing table 12 bearing the battery piece 102 to slide, so that the moving time can be saved, and the efficiency can be improved.
The welding portion 30 is used to weld the battery piece 102 and the solder ribbon 101. The weld 30 is located on the carrier 10. The welding part 30 generally adopts a heating lamp box, and has simple structure, mature technology and high universality.
The solder strip positioning device 14 is disposed above the carrier 12. The solder strip positioning device 14 can ensure the exact position of the solder strip and improve the efficiency.
As shown in fig. 3 to 6, the welding strip positioning device 14 includes a first bearing plate 141 and a second bearing plate 142, one of the first bearing plate 141 and the second bearing plate 142 is provided with a bearing plate groove 143 for accommodating the welding strip 101, and the other of the first bearing plate 141 and the second bearing plate 142 is provided with a bearing plate protrusion 144 corresponding to the bearing plate groove 143; one of the first bearing plate 141 or the second bearing plate 142 is moved toward or away from the other of the first bearing plate 141 or the second bearing plate 142 by the bearing plate driving mechanism 145. Through the cooperation of recess and arch, make the welding area location, the location is accurate, and the precision is high.
Optionally, the welding strip positioning device 14 further includes a bearing plate traversing mechanism 146, the second bearing plate 142 and the bearing plate driving mechanism 145 are mounted on the bearing plate traversing mechanism 146, and the first bearing plate 141 is mounted on the bearing plate driving mechanism 145. The bearing plate traversing mechanism 146 drives the first bearing plate 141, the second bearing plate 142, and the bearing plate driving mechanism 145 to move in the first horizontal direction.
Alternatively, the transverse movement mechanism 146 of the bearing plate of the welding strip positioning device 14 is installed on the welding disassembly support 147, the welding disassembly support 147 is installed with the welding disassembly support moving device 148, and the welding disassembly support moving device 148 drives the welding disassembly support 147 to move along the extending direction of the first sliding rail 11. The bearing plate driving mechanism 145 and the bearing plate traversing mechanism 146 generally adopt an air cylinder or a hydraulic cylinder; the desoldering carriage moving means 148 typically employs a motor.
In order to make the overall arrangement compact, the strap positioning device 14 is typically mounted with the carrier toggle device 13. Optionally, the first toggle mechanism 131 in the carrier toggle device 13 and the two sets of solder strip positioning devices 14 are assembled into one component. As shown in fig. 3 to 5, the first toggle mechanism 131 is mounted on a disassembly seat 149, and the disassembly seat 149 is slidably fitted on the second slide rail 15; then one side of the welding disassembly support 147 is arranged on the welding disassembly seat 149 through the fourth sliding rail 18, and the other side of the welding disassembly support is in sliding fit on the third sliding rail 17; two sets of strap positioning devices 14 are mounted on either side of the de-weld bracket 147. The first moving device 1314 drives the disassembly seat 149 and the disassembly support 147 to move along the second slide rail 15 and the third slide rail 17; the welding carriage moving device 148 drives the welding carriage 147 and the welding strip positioning device 14 to move along the fourth slide rail 18 and the third slide rail 17.
At the same time, the second toggle mechanism 132 in the carrier toggle device 13 and the other two sets of solder strip positioning devices 14 are assembled into another component, and are symmetrically arranged with the former component. As shown in fig. 6, the second toggle mechanism 132 is mounted on another disassembly seat 149, and the disassembly seat 149 is slidably fitted on the second slide rail 15; then one side of the welding disassembly support 147 is arranged on the welding disassembly seat 149 through the fourth sliding rail 18, and the other side of the welding disassembly support is in sliding fit on the third sliding rail 17; two sets of strap positioning devices 14 are mounted on either side of the de-weld bracket 147. The second moving device 1324 drives the welding disassembly seat 149 and the welding disassembly support 147 to move along the second slide rail 15 and the third slide rail 17; the welding carriage moving device 148 drives the welding carriage 147 and the welding strip positioning device 14 to move along the fourth slide rail 18 and the third slide rail 17.
In addition, as an alternative embodiment, as shown in fig. 1 and 2, the weld 30 is mounted on a disassembly bracket 147 integral with the second toggle mechanism 132.
The operation of the solder strip positioning device 14 is as follows: the welding strip positioning device 14 moves to the lower part of the welding strip, the first bearing plate 141 supports and lifts the welding strip to press the welding strip on the second bearing plate 142, and the welding strip is positioned and clamped; the welding part 30 descends to weld the battery tab and the solder strip together.
The invention has been described above in sufficient detail with a certain degree of particularity. It will be appreciated by those of ordinary skill in the art that the descriptions of the embodiments are merely exemplary and that all changes that come within the true spirit and scope of the invention are desired to be protected. The scope of the invention is indicated by the appended claims rather than by the foregoing description of the embodiments.
Claims (5)
1. The welding strip positioning device is characterized by comprising a first bearing plate, a second bearing plate and a bearing plate driving mechanism, wherein one of the first bearing plate and the second bearing plate is provided with a bearing plate groove for accommodating a welding strip, and the other one of the first bearing plate and the second bearing plate is provided with a bearing plate bulge corresponding to the bearing plate groove; one of the first bearing plate or the second bearing plate is driven by the bearing plate driving mechanism to approach or depart from the other one of the first bearing plate or the second bearing plate;
the welding strip positioning device further comprises a bearing plate traversing mechanism, the second bearing plate and the bearing plate driving mechanism are arranged on the bearing plate traversing mechanism, the first bearing plate is arranged on the bearing plate driving mechanism, and the bearing plate traversing mechanism drives the first bearing plate, the second bearing plate and the bearing plate driving mechanism to move along a first horizontal direction;
the pressure bearing plate transverse moving mechanism is arranged on a welding disassembly support, a welding disassembly support moving device is arranged on the welding disassembly support, and the welding disassembly support moves along a second horizontal direction under the drive of the welding disassembly support moving device;
two groups of welding strip positioning devices are symmetrically arranged on the welding strip disassembly bracket;
the pressure bearing plate driving mechanism and the pressure bearing plate transverse moving mechanism are both air cylinders, and the welding disassembly support moving device adopts a motor;
the bearing plate grooves and the bearing plate protrusions are arranged in a plurality.
2. A solder strip moving and placing device, characterized in that the solder strip moving and placing device comprises a bearing part and the solder strip positioning device as claimed in claim 1, wherein the solder strip positioning device is arranged on the bearing part;
the bearing part is configured to bear a battery string, and the battery string is of a string structure formed by connecting battery pieces by using welding strips;
and the second bearing plate and the first bearing plate of the welding strip positioning device are matched to position the end part of the welding strip stripped from the battery string.
3. The solder strip moving and placing device according to claim 2, wherein the bearing part comprises a first slide rail, a bearing table and a bearing table shifting device, a plurality of bearing tables are in sliding fit on the first slide rail, and the bearing table shifting device shifts the bearing table to slide along the first slide rail; the welding strip positioning device is arranged on the bearing table shifting device.
4. A solder strip moving and placing device according to claim 3, wherein there are two sets of said carrier-table toggle means, and each set of said carrier-table toggle means is provided with two sets of said solder strip positioning means.
5. The solder strip transferring apparatus according to claim 2, further comprising a welding portion provided on the carrying portion, the welding portion welding the battery piece carried on the carrying portion with the solder strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811382154.6A CN109396598B (en) | 2018-11-20 | 2018-11-20 | Welding strip positioning device and welding strip moving and placing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811382154.6A CN109396598B (en) | 2018-11-20 | 2018-11-20 | Welding strip positioning device and welding strip moving and placing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109396598A CN109396598A (en) | 2019-03-01 |
| CN109396598B true CN109396598B (en) | 2024-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811382154.6A Active CN109396598B (en) | 2018-11-20 | 2018-11-20 | Welding strip positioning device and welding strip moving and placing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109396598B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295499B (en) * | 2021-06-03 | 2022-04-29 | 山东农业大学 | Manufacturing device, system and method for geomechanical model test inclined fracture |
| CN117718628B (en) * | 2024-02-06 | 2024-04-26 | 晶科能源(海宁)有限公司 | Detection device, series welding machine and detection method for battery series welding effect |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB898197A (en) * | 1959-07-24 | 1962-06-06 | Taylor Winfield Corp | Strip welding apparatus |
| GB1334008A (en) * | 1971-05-19 | 1973-10-17 | Schiffbau Ing Buero Veb | Setting and welding devices |
| JP2006167794A (en) * | 2004-12-20 | 2006-06-29 | Nippon Steel & Sumikin Welding Co Ltd | Welding equipment, and rail build up welding method |
| CN103538002A (en) * | 2012-07-10 | 2014-01-29 | 苏州工业园区高登威科技有限公司 | Workpiece positioning component |
| CN104722880A (en) * | 2015-04-03 | 2015-06-24 | 常州天合光能有限公司 | Solder strip clamp with guide groove and solder strip dragging method adopting solder strip clamp |
| CN205733574U (en) * | 2016-05-13 | 2016-11-30 | 合肥晶为太阳能科技有限公司 | A kind of anti-offset positioner of cell single-welding machine welding |
| CN106392355A (en) * | 2016-11-26 | 2017-02-15 | 宁夏小牛自动化设备有限公司 | Positioning device and method for welding of solder strip of crystalline silicon cell and series welding machine |
| CN106826020A (en) * | 2017-03-10 | 2017-06-13 | 无锡先导智能装备股份有限公司 | Welding prestressing mechanism |
| CN107127577A (en) * | 2017-04-06 | 2017-09-05 | 苏州金逸康自动化设备有限公司 | A kind of edge rolling welding equipment |
| CN209256045U (en) * | 2018-11-20 | 2019-08-16 | 无锡奥特维科技股份有限公司 | Equipment is put in welding positioning device and welding shifting |
-
2018
- 2018-11-20 CN CN201811382154.6A patent/CN109396598B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB898197A (en) * | 1959-07-24 | 1962-06-06 | Taylor Winfield Corp | Strip welding apparatus |
| GB1334008A (en) * | 1971-05-19 | 1973-10-17 | Schiffbau Ing Buero Veb | Setting and welding devices |
| JP2006167794A (en) * | 2004-12-20 | 2006-06-29 | Nippon Steel & Sumikin Welding Co Ltd | Welding equipment, and rail build up welding method |
| CN103538002A (en) * | 2012-07-10 | 2014-01-29 | 苏州工业园区高登威科技有限公司 | Workpiece positioning component |
| CN104722880A (en) * | 2015-04-03 | 2015-06-24 | 常州天合光能有限公司 | Solder strip clamp with guide groove and solder strip dragging method adopting solder strip clamp |
| CN205733574U (en) * | 2016-05-13 | 2016-11-30 | 合肥晶为太阳能科技有限公司 | A kind of anti-offset positioner of cell single-welding machine welding |
| CN106392355A (en) * | 2016-11-26 | 2017-02-15 | 宁夏小牛自动化设备有限公司 | Positioning device and method for welding of solder strip of crystalline silicon cell and series welding machine |
| CN106826020A (en) * | 2017-03-10 | 2017-06-13 | 无锡先导智能装备股份有限公司 | Welding prestressing mechanism |
| CN107127577A (en) * | 2017-04-06 | 2017-09-05 | 苏州金逸康自动化设备有限公司 | A kind of edge rolling welding equipment |
| CN209256045U (en) * | 2018-11-20 | 2019-08-16 | 无锡奥特维科技股份有限公司 | Equipment is put in welding positioning device and welding shifting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109396598A (en) | 2019-03-01 |
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