CN115647547B - Fixed spot welder - Google Patents
Fixed spot welder Download PDFInfo
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- CN115647547B CN115647547B CN202211692690.2A CN202211692690A CN115647547B CN 115647547 B CN115647547 B CN 115647547B CN 202211692690 A CN202211692690 A CN 202211692690A CN 115647547 B CN115647547 B CN 115647547B
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- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims description 28
- 238000003825 pressing Methods 0.000 claims description 22
- 238000001816 cooling Methods 0.000 claims description 11
- 244000309464 bull Species 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 210000003437 trachea Anatomy 0.000 claims description 4
- 238000003466 welding Methods 0.000 abstract description 31
- 229910000679 solder Inorganic materials 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The invention discloses a fixed spot welding machine, and relates to the technical field of electric welding machines. This fixed spot welder, including the frock frame, the outer wall fixedly connected with fixed plate of frock frame, the outer wall of frock frame is located five hydraulic rod of upside fixedly connected with of fixed plate department, hydraulic rod's downside fixedly connected with upside electrode, five downside electrodes of upside fixedly connected with of fixed plate, the upside of fixed plate is located fixedly connected with rack, five fixedly connected with racks are located to the upside of fixed plate the position of downside electrode sets up the downside at five upside electrodes respectively. This fixed spot welder can make the work piece move slightly before the welding through being provided with movable mechanism, makes it more stand with rack contact position, prevents that the rack downside from having the foreign matter to lead to preventing not steady, and then guarantees welding quality.
Description
Technical Field
The invention relates to the technical field of electric welding machines, in particular to a fixed spot welding machine.
Background
A spot welder is a mechanical device, which adopts the principle of double-sided double-point overcurrent welding, when in work, two electrodes pressurize workpieces to enable two layers of metal to form a certain contact resistance under the pressure of the two electrodes, when welding current flows from one electrode to the other electrode, instant thermal welding is formed at the two contact resistance points, and the welding current instantly flows from the other electrode to the electrodes along the two workpieces to form a loop, and the internal structure of a workpiece to be welded can not be damaged;
when the multipoint electric welding machine works, generally, a plurality of accessories are welded on a long-strip-shaped workpiece, the time is shortened for one-time multipoint operation, the length of a main workpiece is long, so that the main workpiece needs to be pressed downwards to enable the main workpiece to be closer to contact points of the accessories, the welding is convenient, the manual pressing operation is needed during the operation of the existing electric welding machine, the pressure between every two contact points is uneven and dangerous, the welding quality can be influenced, the welding points can be infirm, and therefore a device is needed to enable the welding effect between the workpiece and the accessories to be better when the workpiece is subjected to spot welding.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a fixed spot welding machine, which achieves the aim of better welding effect between a workpiece and a fitting when the workpiece is subjected to spot welding.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a fixed spot welder, includes the frock frame, the outer wall fixedly connected with fixed plate of frock frame, the outer wall of frock frame is located five hydraulic rod of upside fixedly connected with of fixed plate department, hydraulic rod's downside fixedly connected with upside electrode, five downside electrodes of upside fixedly connected with of fixed plate, the upside of fixed plate is located five fixedly connected with racks of department between the downside electrode, five the position of downside electrode sets up the downside at five upside electrodes respectively, the upside of rack is provided with the recess, the bottom of recess and the upside highly uniform of downside electrode, the upside of fixed plate still is provided with pressing means.
Preferably, pressing mechanism includes the dead lever, the outer wall of dead lever and the outer wall fixed connection of upside electrode, the outer wall cover of dead lever is equipped with the lantern ring, the inner wall of lantern ring passes through the outer wall connection of torsional spring and dead lever, the outer wall fixedly connected with connecting cylinder of the lantern ring, the downside inner wall of connecting cylinder is pegged graft and is had the inserted bar, the outer wall of inserted bar and the inner wall sliding connection of connecting cylinder, the lower extreme fixedly connected with connecting block of inserted bar, the outer wall upside fixedly connected with spring of connecting block, the upper end of spring and the outer wall downside fixed connection of connecting cylinder, the outer wall of connecting block rotates through the bearing and is connected with the connecting roller, the inner wall fixedly connected with bull stick of connecting roller, the outer wall of bull stick rotates through the bearing and is connected with the mounting panel, the outer wall downside of mounting panel and the upper surface fixed connection of fixed plate, the outer wall upside fixedly connected with of connecting roller presses the depression bar, the inside of connecting roller is provided with the moving mechanism, the outside of connecting roller is provided with cooling mechanism.
Preferably, the activity mechanism includes first transfer line, it sets up flutedly to lie in according to depression bar middle part department on the connection roller, first transfer line is located inside the recess, the outer wall of first transfer line passes through the bearing rotation with the inner wall of recess and is connected, the outer wall fixedly connected with of the first transfer line of outer wall fixedly connected with joins in marriage the zhonghuan, the activity mechanism still includes the second transfer line, the both ends of second transfer line are passed through the bearing and are connected with the outer wall rotation according to the depression bar, the outer wall of second transfer line is equipped with the drive belt with the outer wall cover of first transfer line, the outer wall of first transfer line is connected through joining in marriage the zhonghuan transmission with the outer wall of second transfer line, the outer wall fixedly connected with rubber wheel of second transfer line.
Preferably, the cooling mechanism includes the inflator, the outer wall of inflator and the outer wall fixed connection of mounting panel, the inner wall threaded connection of inflator has the push jack, the middle part of push jack is provided with the hexagon through-hole, the hexagon structure inner wall sliding connection at push jack middle part has the transfer line, the one end of transfer line and the outer wall fixed connection of bull stick, one side fixedly connected with trachea of mounting panel is kept away from to the inflator, tracheal one end sets up with the inside intercommunication of inflator, the tracheal other end runs through the downside electrode and extends to the inside of downside electrode.
Preferably, the pressing rod is of an arc-shaped structure, and the length of the pressing rod is larger than the distance between the outer wall of the connecting roller and the connecting line of the groove bases on the two placing frames.
Preferably, the matching rings are irregularly arranged, the mass of one side of the matching rings close to the rubber wheel is larger than that of one side of the matching rings close to the rotating rod, and the difference between the inner diameter and the outer diameter of one side of the matching rings close to the rotating rod is smaller than that of one side of the matching rings close to the rubber wheel.
Preferably, the lower electrode is located below the upper electrode, and the lower electrode has a hollow cylindrical structure.
The invention provides a fixed spot welding machine. The method has the following beneficial effects:
1. this fixed spot welder can make several accessories and work piece once only weld together through setting up upside electrode, downside electrode, is convenient for the concurrent operation of a plurality of solder joints.
2. This fixed spot welder can make and exert even pressure between each solder joint when welding accessory and work piece through being provided with pressing means, makes each solder joint more firm when the welding.
3. This fixed spot welder can make the work piece move slightly before the welding through being provided with movable mechanism, makes it more stand with rack contact position, prevents that the rack downside from having the foreign matter to lead to preventing not steady, and then guarantees welding quality.
4. This fixed spot welder can make the solder joint cooling rate accelerate after the welding through being provided with cooling body, prevents to cause the false welding that the work piece kick-backed formed because the solder joint upside loses pressure and solder joint does not cool off.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged view of the fixing plate according to the present invention;
FIG. 3 is an enlarged schematic view of the pressing mechanism of the present invention;
FIG. 4 is a schematic view of a portion of the pressing mechanism of the present invention;
FIG. 5 is a schematic view of the cooling mechanism of the present invention;
FIG. 6 is a schematic view showing the internal structure of the joining roller of the present invention;
FIG. 7 is an enlarged view of A in FIG. 6 according to the present invention.
In the figure: 1 tool rack, 2 fixing plates, 3 hydraulic push rods, 4 upper side electrodes, 5 lower side electrodes, 6 placing racks, 7 pressing mechanisms, 701 fixing rods, 702 lantern rings, 703 connecting cylinders, 704 inserting rods, 705 connecting blocks, 706 springs, 707 connecting rollers, 708 rotating rods, 709 mounting plates, 710 pressing rods, 711 moving mechanisms, 712 cooling mechanisms, 101 first transmission rods, 102 counterweight rings, 103 transmission belts, 104 second transmission rods, 105 rubber wheels, 201 air cylinders, 202 push plates, 203 transmission rods and 204 air pipes.
Description of the preferred embodiment
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 only a part of the embodiments of the present invention, and not all of the embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a fixed spot welder, including frock frame 1, the outer wall fixedly connected with fixed plate 2 of frock frame 1, the outer wall of frock frame 1 is located five hydraulic rod 3 of upside fixedly connected with of fixed plate 2 department, hydraulic rod 3's downside fixedly connected with upside electrode 4, five downside electrodes 5 of upside fixedly connected with of fixed plate 2, the upside of fixed plate 2 is located fixedly connected with rack 6 of department between five downside electrodes 5, five downside electrodes 5's position sets up the downside at five upside electrodes 4 respectively, downside electrode 5 is located the downside of upside electrode 4, downside electrode 5 is hollow tubular structure, the upside of rack 6 is provided with the recess, the bottom of recess and the upside highly uniform of downside electrode 5, the upside of fixed plate 2 still is provided with pressing means 7.
Pressing mechanism 7 includes dead lever 701, the outer wall of dead lever 701 and the outer wall fixed connection of upside electrode 4, the outer wall cover of dead lever 701 is equipped with lantern ring 702, the inner wall of lantern ring 702 passes through the torsional spring and is connected with the outer wall of dead lever 701, the outer wall fixed connection of lantern ring 702 has connecting cylinder 703, the lower side inner wall of connecting cylinder 703 is pegged graft and is had inserted bar 704, the outer wall of inserted bar 704 and the inner wall sliding connection of connecting cylinder 703, the lower extreme fixedly connected with connecting block 705 of inserted bar 704, the outer wall upside fixedly connected with spring 706 of connecting block 705, the upper end of spring 706 and the outer wall downside fixed connection of connecting cylinder 703, the outer wall of connecting block 705 rotates through the bearing and is connected with connecting roller 707, the inner wall fixedly connected with bull stick 708 of connecting roller 707, the outer wall of bull stick 708 rotates through the bearing and is connected with mounting panel 709, the outer wall downside of mounting panel 709 is connected with the upper surface fixed connection of fixed plate 2, the outer wall upside fixedly connected with pressing rod 710 of connecting roller 707, pressing rod 710 is the arc structure, and the length of pressing rod 710 is greater than the outer wall of connecting roller 707 to the distance between two recess bases on two 6, the line, the inside of connecting roller 707 is provided with cooling mechanism 707.
The movable mechanism 711 comprises a first transmission rod 101, a groove is formed in the middle of the pressing rod 710 on the connecting roller 707, the first transmission rod 101 is located inside the groove, the outer wall of the first transmission rod 101 is rotatably connected with the inner wall of the groove through a bearing, the outer wall of the first transmission rod 101 is fixedly connected with the matching middle ring 102, the movable mechanism 711 further comprises a second transmission rod 104, two ends of the second transmission rod 104 are rotatably connected with the outer wall of the pressing rod 710 through bearings, a transmission belt 103 is sleeved on the outer wall of the second transmission rod 104 and the outer wall of the first transmission rod 101, the outer wall of the first transmission rod 101 is in transmission connection with the outer wall of the second transmission rod 104 through the matching middle ring 102, the outer wall of the second transmission rod 104 is fixedly connected with a rubber wheel 105, the matching middle ring 102 is irregularly arranged, the mass of the matching middle ring 102 close to the rubber wheel 105 side is larger than the mass of the matching middle ring 102 close to the rotating rod side, and the difference between the inner and outer diameters of the matching middle ring 102 close to the rubber wheel 708 is smaller than the difference between the inner and outer diameters of the matching middle ring 102 close to the rubber wheel 105 side 708.
The cooling mechanism 712 comprises an air cylinder 201, the outer wall of the air cylinder 201 is fixedly connected with the outer wall of the mounting plate 709, the inner wall of the air cylinder 201 is in threaded connection with the push plate 202, a hexagonal through hole is formed in the middle of the push plate 202, the inner wall of the hexagonal structure in the middle of the push plate 202 is in sliding connection with the transmission rod 203, one end of the transmission rod 203 is fixedly connected with the outer wall of the rotating rod 708, an air pipe 204 is fixedly connected to one side of the air cylinder 201, which is far away from the mounting plate 709, one end of the air pipe 204 is communicated with the inside of the air cylinder 201, and the other end of the air pipe 204 penetrates through the lower electrode 5 and extends to the inside of the lower electrode 5.
When the welding device is used, a plurality of accessories are inserted into the lower electrode 5, then a main workpiece is placed on the placing frame 6, the lower side of the main workpiece on the placing frame 6 is in contact with the upper side of the accessories in the lower electrode 5, then the hydraulic push rod 3 is started to push the upper electrode 4 downwards, at the moment, the upper electrode 4 and the lower electrode 5 are electrified, the upper electrode 4 is in contact with the upper side of the main workpiece after descending, then a passage is formed through the main workpiece, the accessories and the lower electrode 5, and the workpiece and the accessories are welded together to achieve the purpose of welding;
the upper electrode 4 descends and simultaneously drives the sleeve ring 702 to descend, so that the sleeve ring 702 pushes the connecting cylinder 703 and the inserting rod 704 to push the connecting block 705 under the support of the spring 706, the connecting block 705 descends to drive the connecting roller 707 to rotate, the connecting roller 707 rotates and simultaneously drives the pressing rod 710 to deflect, the pressing rod is extruded on the upper side of the long workpiece, and the upper side of the workpiece is pressed to be attached to accessories more tightly;
meanwhile, when the connecting roller 707 is pushed to rotate, the connecting roller 707 can drive the rotating rod 708 to rotate, the rotating rod 708 can drive the transmission rod 203 to deflect, the outer wall of the transmission rod 203 is slidably connected with the inner wall of the push sheet 202, the transmission rod 203 can drive the push sheet 202 to rotate, the outer wall of the push sheet 202 is in threaded connection with the inner wall of the air cylinder 201, and the thread pitch is large, the push sheet 202 can move in the air cylinder 201 due to self rotation, so that the gas between the push sheet 202 and the air cylinder 201, which is close to the side of the air pipe 204, is pushed to be discharged to the inside of the lower electrode 5 through the air pipe 204, after welding is finished, the fixed rod 701 is lifted up, the fixed rod 701 can pull the lantern ring 702, the connecting cylinder, the inserting rod 704, the connecting block 705 and the like can drive the connecting roller 707 to deflect and reset, at the moment, the push sheet 202 can reset in the air cylinder 201, so that the gas between the push sheet 202 and the air cylinder 201 can be sucked through the lower electrode 5, the circulating gas flow can accelerate the cooling speed of a welding spot, the possibility of separation between the upper side of a workpiece is reduced, and the lower side of accessories 703 is firmer;
due to the uneven matching of the matching ring 102, when the matching ring deflects along with the connecting roller 707, the heavier side of the matching ring is always positioned at the lower side, so that the matching ring and the second transmission rod 104 rotate relatively, the second transmission rod 104 is driven to deflect slightly through the transmission belt 103, then the second transmission rod 104 drives the rubber wheel 105 to deflect, under the condition that the plurality of rubber wheels 105 deflect simultaneously, due to the fact that the pressing rod 710 and the rubber wheel 105 can be in contact with the surface of the workpiece after deflection, the deflection of the rubber wheel 105 can drive the workpiece to slightly displace or rotate inside the groove on the placing frame 6, the workpiece can be made to remove the foreign matters possibly existing at the bottom of the workpiece through the rotation of the workpiece, and the situation that the subsequent workpiece is prevented from being unstable due to the residual impurities on the placing frame 6 after the workpiece is frequently placed is avoided.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a fixed spot welder, includes frock frame (1), the outer wall fixedly connected with fixed plate (2) of frock frame (1), its characterized in that: five hydraulic push rods (3) are fixedly connected to the outer wall of the tooling frame (1) at the upper side of the fixed plate (2), upper side electrodes (4) are fixedly connected to the lower sides of the hydraulic push rods (3), five lower side electrodes (5) are fixedly connected to the upper side of the fixed plate (2), a placing frame (6) is fixedly connected to the upper side of the fixed plate (2) between the five lower side electrodes (5), the positions of the five lower side electrodes (5) are respectively arranged at the lower sides of the five upper side electrodes (4), a groove is formed in the upper side of the placing frame (6), the height of the bottom of the groove is consistent with that of the upper side of each lower side electrode (5), and a pressing mechanism (7) is further arranged on the upper side of the fixed plate (2);
the pressing mechanism (7) comprises a fixing rod (701), the outer wall of the fixing rod (701) is fixedly connected with the outer wall of the upper side electrode (4), the outer wall of the fixing rod (701) is sleeved with a lantern ring (702), the inner wall of the lantern ring (702) is connected with the outer wall of the fixing rod (701) through a torsion spring, the outer wall of the lantern ring (702) is fixedly connected with a connecting cylinder (703), the lower side inner wall of the connecting cylinder (703) is spliced with an inserted rod (704), the outer wall of the inserted rod (704) is slidably connected with the inner wall of the connecting cylinder (703), the lower end of the inserted rod (704) is fixedly connected with a connecting block (705), the upper side of the outer wall of the connecting block (705) is fixedly connected with a spring (706), the upper end of the spring (706) is fixedly connected with the lower side of the outer wall of the connecting cylinder (703), the outer wall of the connecting block (705) is rotatably connected with a connecting roller (707) through a bearing, the inner wall of the connecting roller (707) is fixedly connected with a rotating rod (708), the outer wall of the rotating rod (708) is rotatably connected with a mounting plate (709) through a bearing, the lower side of the outer wall of the fixing plate (709) is connected with the fixing plate (2), the upper side of the fixing plate (707), and the upper side of the fixing roller (711) is connected with a movable roller (711) is arranged on the fixing roller (711), and a cooling mechanism (712) is arranged on the outer side of the connecting roller (707).
2. A stationary spot welder according to claim 1, characterized in that: activity mechanism (711) include first transfer line (101), it offers flutedly to lie in according to depression bar (710) middle part department on connecting roller (707), first transfer line (101) are located inside the recess, the outer wall of first transfer line (101) passes through the bearing rotation with the inner wall of recess and is connected, the outer wall fixedly connected with of first transfer line (101) joins in marriage zhonghuan (102), activity mechanism (711) still includes second transfer line (104), the both ends of second transfer line (104) are passed through the bearing and are connected with the outer wall rotation of according to depression bar (710), the outer wall of second transfer line (104) and the outer wall cover of first transfer line (101) are equipped with drive belt (103), the outer wall of first transfer line (101) is connected through joining in marriage zhonghuan (102) transmission with the outer wall of second transfer line (104), the outer wall fixedly connected with rubber pulley (105) of second transfer line (104).
3. A stationary spot welder according to claim 2, characterized in that: cooling body (712) includes inflator (201), the outer wall of inflator (201) and the outer wall fixed connection of mounting panel (709), the inner wall threaded connection of inflator (201) has push jack (202), the middle part of push jack (202) is provided with the hexagon through-hole, the hexagon structure inner wall sliding connection at push jack (202) middle part has transfer line (203), the one end of transfer line (203) and the outer wall fixed connection of bull stick (708), one side fixedly connected with trachea (204) of mounting panel (709) are kept away from in inflator (201), the one end of trachea (204) and the inside intercommunication setting of inflator (201), the other end of trachea (204) runs through downside electrode (5) and extends to the inside of downside electrode (5).
4. A stationary spot welder according to claim 3, characterized in that: press depression bar (710) to be the arc structure, just the length of press depression bar (710) is greater than the outer wall of connecting roller (707) and to the distance between the recess base line of two racks (6).
5. A stationary spot welder according to claim 4, characterized in that: the matching ring (102) is irregularly arranged, the mass of the side, close to the rubber wheel (105), of the matching ring (102) is larger than that of the side, close to the rotating rod (708), of the matching ring (102), and the difference of the inner diameter and the outer diameter of the side, close to the rotating rod (708), of the matching ring (102) is smaller than that of the side, close to the rubber wheel (105), of the matching ring (102).
6. A stationary spot welder according to claim 5, characterized in that: the lower electrode (5) is positioned below the upper electrode (4), and the lower electrode (5) is of a hollow cylindrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211692690.2A CN115647547B (en) | 2022-12-28 | 2022-12-28 | Fixed spot welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211692690.2A CN115647547B (en) | 2022-12-28 | 2022-12-28 | Fixed spot welder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115647547A CN115647547A (en) | 2023-01-31 |
| CN115647547B true CN115647547B (en) | 2023-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211692690.2A Active CN115647547B (en) | 2022-12-28 | 2022-12-28 | Fixed spot welder |
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Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07314144A (en) * | 1994-05-24 | 1995-12-05 | Kyowa Chiyokusen Kogyosho:Kk | Welding jig |
| CN204639416U (en) * | 2015-03-11 | 2015-09-16 | 天津市金特科技发展有限公司 | Rotating disc type many groups transformer mash welder |
| CN204913046U (en) * | 2015-09-01 | 2015-12-30 | 雷州市金甫科技实业有限公司 | Spot welder |
| CN206029003U (en) * | 2016-08-12 | 2017-03-22 | 广州毅翚金属加工机械有限公司 | Multistation spot welder |
| CN106624414B (en) * | 2016-12-30 | 2019-01-11 | 天津市奥特威德焊接技术有限公司 | A kind of Double-station welding special plane |
| CN209477509U (en) * | 2018-12-17 | 2019-10-11 | 廊坊中德汽车座椅制造有限公司 | Projection welding equipment for steel wire framework of automobile seat |
| CN214417922U (en) * | 2020-08-30 | 2021-10-19 | 安徽普电焊接技术有限公司 | Four-head projection welding machine |
| CN214602763U (en) * | 2020-11-04 | 2021-11-05 | 苏州劲能节能火花塞有限公司 | Side electrode welding device for producing spark plug of NG engine |
| CN113941822B (en) * | 2021-11-23 | 2024-05-14 | 江苏韦兰德特种装备科技有限公司 | Welding equipment and welding method for liquefied natural gas cylinder for vehicle |
| CN216607593U (en) * | 2021-12-08 | 2022-05-27 | 青岛焊本智能装备有限公司 | Upper cover plate seven-cylinder medium frequency spot welding machine |
| CN114985532A (en) * | 2022-07-05 | 2022-09-02 | 江苏中航重工机床有限公司 | Automatic extrusion bending forming industrial machine for steel plate |
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Denomination of invention: A fixed spot welding machine Effective date of registration: 20231109 Granted publication date: 20230317 Pledgee: Bank of China Limited by Share Ltd. Wuhan Wuchang branch Pledgor: Wuhan Weiputai Technology Co.,Ltd. Registration number: Y2023980064604 |