CN107971662B - Spot welding machine - Google Patents
Spot welding machine Download PDFInfo
- Publication number
- CN107971662B CN107971662B CN201711489887.5A CN201711489887A CN107971662B CN 107971662 B CN107971662 B CN 107971662B CN 201711489887 A CN201711489887 A CN 201711489887A CN 107971662 B CN107971662 B CN 107971662B
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- groove
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- roller
- arc plate
- guide
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- 238000003466 welding Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims description 22
- 230000007704 transition Effects 0.000 claims description 20
- 238000005096 rolling process Methods 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- 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
Abstract
The spot welder comprises a workbench (2), wherein the workbench (2) is provided with the spot welder and a rotating frame matched with the spot welder, and the rotating frame comprises a roller (14) with a hollow structure, a driving mechanism and a supporting upright post (3) arranged in the roller (14); the spot welder comprises an upright post (5), a sliding groove (18) is longitudinally formed in the upright post (5), a sliding block (19) is connected in the sliding groove (18), a guide post (17) is movably connected to the sliding block (19), one end of the guide post (17) is connected with a welding head clamp, the welding head clamp is connected with a spot welding head (16), and the other end of the guide post (17) is connected with a host machine (4) through a cable. A spot welder solves the problems of inconvenient welding operation of a filter screen and adaptation to welding of filter screens with different sizes.
Description
Technical Field
The invention relates to the technical field of oil filtering equipment, in particular to a spot welder.
Background
The metal powder and other mechanical impurities used for removing abrasion of each element in the hydraulic system are arranged in the oil way of the hydraulic system, so that the oil way is kept clean, and the service life of the hydraulic system can be prolonged; the low-pressure series filter element is also provided with a bypass valve. When the filter element is not replaced in time, the bypass valve can be automatically opened, and the system is ensured to be normal.
The filter screen is a necessary part, and how to splice or repair and weld the filter screen by a spot welder is an urgent problem to be solved.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides a spot welder for solving the problems that the welding operation of a filter screen is inconvenient and the welding of filter screens with different sizes is suitable.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the spot welder comprises a workbench, wherein the workbench is provided with the spot welder and a rotating frame matched with the spot welder, and the rotating frame comprises a roller with a hollow structure, a driving mechanism and a supporting upright post arranged in the roller;
the spot welder comprises a stand column, a sliding groove is longitudinally formed in the stand column, a sliding block is connected in the sliding groove, a guide pillar is movably connected to the sliding block, one end of the guide pillar is connected with a welding head clamp, the welding head clamp is connected with a welding head, and the other end of the guide pillar is connected with a host through a cable;
at least two vertically arranged supporting risers are uniformly distributed on the inner wall of the roller with the hollow structure, the supporting risers are also connected with thrust bearings, the thrust bearings are connected with supporting upright posts, and the inner wall of the roller above the thrust bearings and the supporting upright posts are connected with driving mechanisms; the driving mechanism drives the roller to rotate around the supporting upright post;
a wide-diameter supporting mechanism is arranged on the roller between the adjacent supporting vertical plates and comprises an arc plate, at least 2 parallel guide rods are arranged on the concave surface of the arc plate, a threaded hole is arranged on the convex surface of the arc plate, and the threaded hole is connected with a fixing piece; the arc plate is also connected with an arc plate positioning piece;
the upright posts are arranged on the workbench at the outer side of the arc plate;
the circular arc plate positioning piece comprises a transmission rod, the transmission rod comprises a mounting part and a matching part, threads are arranged on the matching part, the end part of the matching part is connected with a transmission columnar block, a connecting groove is formed in the end face, far away from the transmission rod, of the columnar block, and a first thrust bearing is sleeved on the matching part; the matching part is provided with a nut;
the convex surface of the arc plate is also provided with a first mounting groove, and the bottom of the first mounting groove is provided with a first through hole; the first thrust bearing is arranged in the first through hole, and the transmission columnar block is arranged in the first mounting groove and is not arranged on the convex surface of the circular arc plate; the transmission rod is parallel to the guide rod;
the roller is internally provided with a guide sleeve matched with the guide rod and a second through hole for installing a nut.
Further, the fixing piece comprises a screw rod matched with the threaded hole, and a pressing block is connected to the end of the screw rod.
Further, the driving mechanism comprises an internal gear, an intermediate plate and an intermediate shaft, the intermediate shaft passes through the center of the intermediate plate, the lower surfaces of the intermediate plates on two sides of the intermediate shaft are provided with transition shafts, the transition shafts are rotationally connected with matched gears, fixed gears are meshed between the matched gears, and the matched gears are meshed with the internal gear; the lower end of the transition shaft is connected with a limiting plate;
the fixed gear is fixed on the supporting upright post, the internal gear is fixedly connected on the inner side wall of the roller, and the upper end surface of the supporting upright post is provided with a conical groove; one end of the intermediate shaft is rotationally connected with the conical groove, and the other end of the intermediate shaft is connected with a motor.
Further, a dial is arranged on the convex surface of the arc plate arranged on the outer side of the first mounting groove.
Further, the mechanism for movably connecting the sliding block and the guide post comprises a guide ring sleeved on the guide post, and the guide ring is provided with a fixing screw rod.
Further, a groove is formed in the groove wall of the conical groove, a rolling shaft is arranged in the groove, the shaft surface of the rolling shaft is higher than the groove wall of the conical groove, a transition groove is formed in the bottom of the conical groove, a shaft sleeve groove is formed in the bottom of the transition groove, and a shaft sleeve is arranged in the shaft sleeve groove; the end of the intermediate shaft is connected with a fixed shaft which is matched with the shaft sleeve.
Compared with the prior art, the invention has the following beneficial effects: a spot welder solves the problems of inconvenient welding operation of a filter screen and adaptation to welding of filter screens with different sizes.
The motor drives the intermediate shaft to rotate, the intermediate shaft drives the intermediate plate to rotate, the intermediate plate drives the transition shaft and the matched gear to rotate, the matched gear is fixed between the fixed gear and the internal gear, the matched gear drives the internal gear to rotate around the fixed gear due to the fixed gear, and then the roller is driven to rotate, and the roller thrust bearing rotates; the arc plate and the fixing piece fix the filter screen; at least 2 parallel guide rods are used for positioning and performing linear motion, and the circular arc plate positioning piece is convenient for positioning each circular arc plate on the roller.
The spot welder comprises a stand column, a sliding groove is longitudinally formed in the stand column, a sliding block is connected in the sliding groove, a guide pillar is movably connected to the sliding block, one end of the guide pillar is connected with a welding head clamp, the welding head clamp is connected with a welding head, and the other end of the guide pillar is connected with a host through a cable; under the adjustment of the sliding block, the horizontal distance between the spot welding head and the filter screen fixed on the arc plate is adjusted, so that the filter screen is convenient to spot weld; the filter screen is convenient to move and kept clean;
the design fully utilizes the internal space of the roller, has large reduction ratio of the motor, and is convenient for a user to fix the filter screen on the roller for checking and splicing;
the circular arc plate positioning piece comprises a transmission rod, the transmission rod comprises a mounting part and a matching part, threads are arranged on the matching part, the end part of the matching part is connected with a transmission columnar block, a connecting groove is formed in the end face, far away from the transmission rod, of the columnar block, and a first thrust bearing is sleeved on the matching part; the matching part is provided with a nut; the connecting groove is convenient for the outside to rotate by using a strip-shaped tool; the mounting part and the matching part are integrally formed, so that the processing is convenient; the first thrust bearing is fixed with the axial position of the matching part, the matching part rotates to use the matching between the screw thread and the nut, and the distance between the arc plate and the roller is adjusted, so that the diameter of different spliced nets is adjusted, and the matching range is improved. The design of at least 2 parallel guide rods is convenient for sliding; the dial is arranged on the convex surface of the arc plate arranged on the outer side of the first mounting groove, so that fine adjustment is facilitated;
the driving mechanism comprises an internal gear, an intermediate plate and an intermediate shaft, wherein the intermediate shaft passes through the center of the intermediate plate, the lower surfaces of the intermediate plates on two sides of the intermediate shaft are provided with transition shafts, the transition shafts are rotationally connected with matched gears, fixed gears are meshed between the matched gears, and the matched gears are meshed with the internal gear; the lower end of the transition shaft is connected with a limiting plate; the fixed gear is fixed on the supporting upright post, the internal gear is fixedly connected on the inner side wall of the roller, and the upper end surface of the supporting upright post is provided with a conical groove; one end of the intermediate shaft is rotationally connected with the conical groove, and the other end of the intermediate shaft is connected with a motor; the design of the driving structure and the design of ' at least two vertically arranged supporting risers are uniformly distributed on the inner wall of the roller with a hollow structure ', and the supporting risers are also connected with thrust bearings ', so that the roller rotates more stably and is more accurate in spot welding points; the intermediate shaft only bears the weight of the center of the intermediate plate, the transition shaft, the matched gear, the internal gear meshing and the limiting plate. And the service life of the intermediate shaft is prolonged.
The groove wall of the conical groove is provided with a groove, a rolling shaft is arranged in the groove, the shaft surface of the rolling shaft is higher than the groove wall of the conical groove, the bottom of the conical groove is provided with a transition groove, the bottom of the transition groove is provided with a shaft sleeve groove, and the shaft sleeve groove is provided with a shaft sleeve; the end of the intermediate shaft is connected with a fixed shaft which is matched with the shaft sleeve. The design is convenient for oiling the sleeve, and the sliding effect is enhanced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the wide diameter support mechanism and the drum;
FIG. 3 is a schematic structural view of a circular arc plate positioning member;
FIG. 4 is a schematic illustration of the position of the dial;
fig. 5 is a schematic view of the rotational connection of the middle and the tapered slot.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 5, the spot welder of the invention comprises a workbench 2, wherein the workbench 2 is provided with the spot welder and a rotating frame matched with the spot welder, and the rotating frame comprises a roller 14 with a hollow structure, a driving mechanism and a supporting upright post 3 arranged in the roller 14;
the spot welder comprises a stand column 5, a sliding groove 18 is longitudinally formed in the stand column 5, a sliding block 19 is connected in the sliding groove 18, a guide pillar 17 is movably connected to the sliding block 19, one end of the guide pillar 17 is connected with a welding head clamp, the welding head clamp is connected with a welding head 16, and the other end of the guide pillar 17 is connected with a host 4 through a cable;
at least two supporting vertical plates 23 which are vertically arranged are uniformly distributed on the inner wall of the roller 14 with a hollow structure, the supporting vertical plates 23 are also connected with thrust bearings 6, the thrust bearings 6 are connected with supporting upright posts 3, and a driving mechanism is connected on the inner wall of the roller 14 above the thrust bearings 6 and on the supporting upright posts 3; the driving mechanism drives the roller 14 to rotate around the supporting upright 3;
a wide-diameter supporting mechanism is arranged on the roller 14 between the adjacent supporting vertical plates 23 and comprises an arc plate 15, at least 2 parallel guide rods 25 are arranged on the concave surface of the arc plate 15, a threaded hole is arranged on the convex surface of the arc plate 15, and the threaded hole is connected with a fixing piece 27; the arc plate 15 is also connected with an arc plate positioning piece 26;
the upright post 5 is arranged on the workbench 2 at the outer side of the arc plate 15;
the circular arc plate positioning piece 26 comprises a transmission rod 37, the transmission rod 37 comprises a mounting part and a matching part, threads are arranged on the matching part, the end part of the matching part is connected with a transmission columnar block 39, a connecting groove 40 is arranged on the end surface of the columnar block 39 far away from the transmission rod 37, and a first thrust bearing 36 is sleeved on the matching part; the matching part is provided with a nut 38;
the convex surface of the arc plate 15 is also provided with a first mounting groove 34, and a first through hole 33 is formed in the bottom of the first mounting groove 34; the first thrust bearing 36 is arranged in the first through hole 33, and the transmission columnar block 39 is arranged in the first mounting groove 34 and is not arranged on the convex surface of the circular arc plate 15; the transmission rod 37 is parallel to the guide rod 25;
a guide sleeve matched with the guide rod 25 and a second through hole for mounting the nut 38 are arranged in the roller 14.
The fixing member 27 includes a screw rod engaged with the screw hole, and a pressing block is connected to an end of the screw rod.
The driving mechanism comprises an internal gear 13, an intermediate plate 8 and an intermediate shaft 7, wherein the intermediate shaft 7 passes through the center of the intermediate plate 8, the lower surfaces of the intermediate plates 8 on two sides of the intermediate shaft 7 are provided with excessive shafts 9, the excessive shafts 9 are rotationally connected with matched gears 12, fixed gears 11 are meshed between the matched gears 12, and the matched gears 12 are meshed with the internal gear 13; the lower end of the transition shaft 9 is connected with a limiting plate 10;
the fixed gear 11 is fixed on the support upright post 3, the internal gear 13 is fixedly connected on the inner side wall of the roller 14, and a conical groove is formed in the upper end face of the support upright post 3; one end of the intermediate shaft 7 is rotationally connected with the conical groove, and the other end of the intermediate shaft 7 is connected with the motor 1. A dial 35 is provided on the convex surface of the circular arc plate 15 disposed outside the first mounting groove 34. The mechanism of the movable connection between the slide block 19 and the guide post 17 comprises a guide ring 20 sleeved on the guide post 17, and the guide ring 20 is provided with a fixed screw 21. The groove wall of the conical groove is provided with a groove 28, a rolling shaft 29 is arranged in the groove 28, the shaft surface of the rolling shaft 29 is higher than the groove wall of the conical groove, the bottom of the conical groove is provided with a transition groove 30, the bottom of the transition groove 30 is provided with a shaft sleeve groove, and the shaft sleeve groove is provided with a shaft sleeve; the end of the intermediate shaft 7 is connected with a fixed shaft 31, and the fixed shaft 31 is matched with the shaft sleeve.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (3)
1. The spot welder comprises a workbench (2), wherein the workbench (2) is provided with the spot welder and a rotating frame matched with the spot welder, and is characterized in that the rotating frame comprises a roller (14) with a hollow structure, a driving mechanism and a supporting upright post (3) arranged in the roller (14);
the spot welder comprises an upright post (5), a sliding groove (18) is longitudinally formed in the upright post (5), a sliding block (19) is connected in the sliding groove (18), a guide post (17) is movably connected to the sliding block (19), one end of the guide post (17) is connected with a welding head clamp, the welding head clamp is connected with a spot welding head (16), and the other end of the guide post (17) is connected with a host machine (4) through a cable;
at least two supporting vertical plates (23) which are vertically arranged are uniformly distributed on the inner wall of the roller (14) with the hollow structure, the supporting vertical plates (23) are also connected with thrust bearings (6), the thrust bearings (6) are connected with supporting upright posts (3), and a driving mechanism is connected on the inner wall of the roller (14) above the thrust bearings (6) and on the supporting upright posts (3); the driving mechanism drives the roller (14) to rotate around the supporting upright post (3);
a wide-diameter supporting mechanism is arranged on the roller (14) between the adjacent supporting vertical plates (23), the wide-diameter supporting mechanism comprises an arc plate (15), at least 2 parallel guide rods (25) are arranged on the concave surface of the arc plate (15), a threaded hole is arranged on the convex surface of the arc plate (15), and a fixing piece (27) is connected with the threaded hole; the arc plate (15) is also connected with an arc plate positioning piece (26);
the upright post (5) is arranged on the workbench (2) at the outer side of the arc plate (15);
the circular arc plate positioning piece (26) comprises a transmission rod (37), the transmission rod (37) comprises a mounting part and a matching part, threads are arranged on the matching part, the end part of the matching part is connected with a transmission columnar block (39), a connecting groove (40) is formed in the end face, far away from the transmission rod (37), of the columnar block (39), and a first thrust bearing (36) is sleeved on the matching part; the matching part is provided with a nut (38);
the convex surface of the arc plate (15) is also provided with a first mounting groove (34), and a first through hole (33) is formed in the bottom of the first mounting groove (34); the first thrust bearing (36) is arranged in the first through hole (33), and the transmission columnar block (39) is arranged in the first mounting groove (34) and is not arranged on the convex surface of the circular arc plate (15); the transmission rod (37) is parallel to the guide rod (25);
a guide sleeve matched with the guide rod (25) and a second through hole for installing a nut (38) are arranged in the roller (14);
the fixing piece (27) comprises a screw rod matched with the threaded hole, and the end part of the screw rod is connected with a pressing block;
the driving mechanism comprises an internal gear (13), an intermediate plate (8) and an intermediate shaft (7), wherein the intermediate shaft (7) passes through the center of the intermediate plate (8), the lower surfaces of the intermediate plates (8) on two sides of the intermediate shaft (7) are provided with transition shafts (9), the transition shafts (9) are rotatably connected with matched gears (12), fixed gears (11) are meshed between the matched gears (12), and the matched gears (12) are meshed with the internal gear (13); the lower end of the transition shaft (9) is connected with a limiting plate (10);
the fixed gear (11) is fixed on the support upright post (3), the internal gear (13) is fixedly connected on the inner side wall of the roller (14), and a conical groove is formed in the upper end face of the support upright post (3); one end of the intermediate shaft (7) is rotationally connected with the conical groove, and the other end of the intermediate shaft (7) is connected with the motor (1);
the groove wall of the conical groove is provided with a groove (28), a rolling shaft (29) is arranged in the groove (28), the shaft surface of the rolling shaft (29) is higher than the groove wall of the conical groove, the bottom of the conical groove is provided with a transition groove (30), the bottom of the transition groove (30) is provided with a shaft sleeve groove, and the shaft sleeve groove is provided with a shaft sleeve; the end part of the intermediate shaft (7) is connected with a fixed shaft (31), and the fixed shaft (31) is matched with the shaft sleeve.
2. A spot welder according to claim 1, characterised in that a dial (35) is provided on the convex surface of the circular arc plate (15) arranged outside the first mounting groove (34).
3. A spot welder according to claim 1, characterised in that the means of the movable connection between the slider (19) and the guide post (17) comprise a guide ring (20) which is fitted over the guide post (17), the guide ring (20) being provided with a fixing screw (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711489887.5A CN107971662B (en) | 2017-12-29 | 2017-12-29 | Spot welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711489887.5A CN107971662B (en) | 2017-12-29 | 2017-12-29 | Spot welding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107971662A CN107971662A (en) | 2018-05-01 |
| CN107971662B true CN107971662B (en) | 2024-04-12 |
Family
ID=62005525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711489887.5A Active CN107971662B (en) | 2017-12-29 | 2017-12-29 | Spot welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107971662B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3828157A (en) * | 1973-02-26 | 1974-08-06 | Sinclair Co | Method of seaming wire cloth |
| JP2001121272A (en) * | 1999-10-26 | 2001-05-08 | Mti Kk | Moving mechanism for horn for spot welding machine and spot welding machine equipped with the same |
| CN101972898A (en) * | 2010-10-25 | 2011-02-16 | 中北大学 | Screen mesh automatic welding device and welding method |
| CN202114424U (en) * | 2011-06-22 | 2012-01-18 | 蚌埠市振兴滤清器有限公司 | Welding device for ports of filtering screens of filters |
| KR20140024566A (en) * | 2012-08-20 | 2014-03-03 | 성우로텍(주) | Spot welding apparatus |
| CN203992918U (en) * | 2014-07-21 | 2014-12-10 | 蚌埠市朝阳滤清器厂 | A kind of positioner for the welding of filter protection net bracing ring |
| CN204449674U (en) * | 2015-02-16 | 2015-07-08 | 南京肯胜流体设备有限公司 | A kind of welding tooling for weld metal wedge shape silk screen filter core |
| CN106216921A (en) * | 2016-08-31 | 2016-12-14 | 新兴县先丰不锈钢制品有限公司 | A kind of composite base spot welding automatic fixture |
| CN206084107U (en) * | 2016-08-03 | 2017-04-12 | 东莞如金自动化设备科技有限公司 | Spot welding machine |
| CN207788037U (en) * | 2017-12-29 | 2018-08-31 | 重庆海国科技有限公司 | A kind of mash welder |
-
2017
- 2017-12-29 CN CN201711489887.5A patent/CN107971662B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3828157A (en) * | 1973-02-26 | 1974-08-06 | Sinclair Co | Method of seaming wire cloth |
| JP2001121272A (en) * | 1999-10-26 | 2001-05-08 | Mti Kk | Moving mechanism for horn for spot welding machine and spot welding machine equipped with the same |
| CN101972898A (en) * | 2010-10-25 | 2011-02-16 | 中北大学 | Screen mesh automatic welding device and welding method |
| CN202114424U (en) * | 2011-06-22 | 2012-01-18 | 蚌埠市振兴滤清器有限公司 | Welding device for ports of filtering screens of filters |
| KR20140024566A (en) * | 2012-08-20 | 2014-03-03 | 성우로텍(주) | Spot welding apparatus |
| CN203992918U (en) * | 2014-07-21 | 2014-12-10 | 蚌埠市朝阳滤清器厂 | A kind of positioner for the welding of filter protection net bracing ring |
| CN204449674U (en) * | 2015-02-16 | 2015-07-08 | 南京肯胜流体设备有限公司 | A kind of welding tooling for weld metal wedge shape silk screen filter core |
| CN206084107U (en) * | 2016-08-03 | 2017-04-12 | 东莞如金自动化设备科技有限公司 | Spot welding machine |
| CN106216921A (en) * | 2016-08-31 | 2016-12-14 | 新兴县先丰不锈钢制品有限公司 | A kind of composite base spot welding automatic fixture |
| CN207788037U (en) * | 2017-12-29 | 2018-08-31 | 重庆海国科技有限公司 | A kind of mash welder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107971662A (en) | 2018-05-01 |
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Effective date of registration: 20240315 Address after: 528400 floor 12, No. 10, Hetai Village real estate Road, Dongfeng Town, Zhongshan City, Guangdong Province (residence declaration) Applicant after: Zhongshan yuanzao Hardware Products Co.,Ltd. Country or region after: China Address before: 402260 Shuangfu Industrial Park, Jiangjin District, Chongqing Applicant before: CHONGQING HAIGUO TECHNOLOGY Co.,Ltd. Country or region before: China |
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