CN204108576U - The spot welding fixture (SWFX) device of magnetic assembly in miniature circuit breaker - Google Patents
The spot welding fixture (SWFX) device of magnetic assembly in miniature circuit breaker Download PDFInfo
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- CN204108576U CN204108576U CN201420574100.0U CN201420574100U CN204108576U CN 204108576 U CN204108576 U CN 204108576U CN 201420574100 U CN201420574100 U CN 201420574100U CN 204108576 U CN204108576 U CN 204108576U
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Abstract
The utility model discloses the spot welding fixture (SWFX) device of magnetic assembly in a kind of miniature circuit breaker, comprise base, base is provided with terminal plate installation cavity, coil installation cavity and static contact installation cavity, terminal plate installation cavity, coil installation cavity and static contact installation cavity has respective openend respectively, the openend of terminal plate installation cavity is provided with terminal plate locking device, the openend of coil installation cavity is provided with coil locking device, the openend of static contact installation cavity is provided with static contact locking device, terminal plate locking device comprises pressing plate, the movable positioning module be connected with pressing plate, base offers the passage with movable positioning module adaptation, movable positioning module can move back and forth along the passage on base.The utility model all has position and lock effect to all parts of magnetic assembly, and avoid each parts to occur shifting phenomena in pinpoint welding procedure, improve the accuracy of spot welding, and this positioning and locking device is easy and simple to handle, structural design is simple.
Description
Technical field
The utility model belongs to the spot-welding technology field of magnetic assembly, the spot welding fixture (SWFX) device of magnetic assembly in especially a kind of miniature circuit breaker.
Background technology
Magnetic assembly in miniature circuit breaker comprises terminal plate, static contact and coil, terminal plate and static contact are welded on the axle head that extends at coil two ends respectively by spot-welding technology, in welding process, need to weld at twice manually, also easy weld jig is used when welding, but usually first use first welding fixture wiring circle and static contact, transfer to again in second fixture and continue these semi-finished product of welding and terminal plate, magnetic components welding of the prior art carries out through the transfer substep of two fixtures, in welding process, not carry out spot weld operation on same workbench, cause the pad at coil two ends unavoidably not at grade, may occur that deviation causes the problem of welding effect difference, the progress of post-order process is affected while reducing product quality, and then affect operating efficiency.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides the spot welding fixture (SWFX) device of magnetic assembly in a kind of miniature circuit breaker, and this grip device all has good clamping position effect to all parts in magnetic assembly, improves spot welding accuracy.
To achieve these goals, the technical solution adopted in the utility model is: the spot welding fixture (SWFX) device of magnetic assembly in a kind of miniature circuit breaker, comprise base, base is provided with terminal plate installation cavity, coil installation cavity and static contact installation cavity, terminal plate installation cavity, coil installation cavity and static contact installation cavity has respective openend respectively, it is characterized in that: the openend of described terminal plate installation cavity is provided with terminal plate locking device, the openend of coil installation cavity is provided with coil locking device, the openend of static contact installation cavity is provided with static contact locking device, described terminal plate locking device comprises pressing plate, the movable positioning module be connected with pressing plate, base offers the passage with described movable positioning module adaptation, movable positioning module can move back and forth along the passage on base.
In said structure, terminal plate, static contact and coil all have respective locking device to carry out locking positioning, pressing plate in terminal plate locking device presses terminal plate and plays location and prevent it from pinpoint welding procedure, occurring sliding phenomenon, improve spot welding accuracy, the advance of pressing plate is driven to achieve a butt joint the location of line plate when External Force Acting makes it move along the passage on base in movable positioning module, pressing plate can be driven to retreat simultaneously, cancel location and be convenient to dismantle the magnetic assembly having completed point welding process.
As further setting of the present utility model, the movable positioning module that described static contact locking device also comprises pressing plate, is connected with pressing plate, base offers the passage with described movable positioning module adaptation, movable positioning module can move back and forth along the passage on base.
In said structure, static contact locking device also presses static contact by pressing plate, and coordinating to drive the advance of pressing plate or retreat and carried out tack-weld or discharging work of giving up the throne by movable positioning module and another passage on base.
As further setting of the present utility model, described movable positioning module comprise upper rack, lower tooth bar and between upper rack and lower tooth bar respectively with upper rack and lower tooth bar meshed gears, lower tooth bar relatively stretches out outside described passage with the other end of gears meshing, the other end of the relative and gears meshing of described upper rack towards terminal plate installation cavity or static contact installation cavity and this end and described pressing plate be connected.
In said structure, static contact locking device is consistent with the structure of terminal plate locking device, all there is the pressing plate for extruding static contact or terminal plate, and drive the movable positioning module of presser motion, this movable positioning module is realized by the cooperation of rack-and-pinion, and External Force Acting in upper rack end, and makes lower tooth bar make pressing plate be squeezed in respective magnetic component parts towards the direction motion of terminal plate or static contact by gearing, simultaneously by gearing, lower tooth bar is released laterally.The object of lower tooth bar, when tooth bar drives by external force instantly, by gearing, static contact locking device and terminal plate locking device is opened, so that material can take out; This structure is simple, easy to operate, and external force drives can by air cylinder driven.
As further setting of the present utility model, described pressing plate comprises articulated section, abutting part and convergence part, abutting part and convergence part lay respectively at the both sides of articulated section, described pressing plate is installed on described upper rack by articulated section, described convergence part is provided with spring towards the end face of upper rack, described pressing plate and upper rack all offer coaxial location hole of the spring that is corresponding and spring adaptation, spring fitting is in location hole of the spring, and described abutting part is stretched out by the end of upper rack and forms with terminal plate or static contact to extrude to lock under the driving of spring force and coordinates.
In said structure, this pressing plate is installed on the top of upper rack, both ends of the spring is installed in the convergence part of pressing plate and the location hole of the spring of upper rack respectively, the elastic force of spring makes its abutting part be squeezed in magnetic component parts downwards, play positioning action, unlocked by the mode pushing lower tooth bar, external force pushes lower tooth bar, upper rack under the effect of gear outwardly (with the side of pushing in the opposite direction) move, make abutting part on pressing plate away from by static contact and terminal plate, thus play the effect of unblock, this novel in structural design, structure is simple, easy to operate.
As further setting of the present utility model, described upper rack cross section is in " convex " shape structure, the passage on described base and this upper rack shape adaptation.
In said structure, the structure of this upper rack coordinates with base passages and limits lower tooth bar and along passage axially-movable, in addition, base also can only be provided with and coordinate with lower tooth bar the passage limiting it and can only axially move, it is more stable that this limiting structure makes it move, and do not have radial swing tendency.
As further setting of the present utility model, described pressing plate has taper abutting part towards the end face of static contact or terminal plate.
In said structure, the parts that the taper abutting part of pressing plate is less to structure also can have positioning action.
As further setting of the present utility model, coil locking device comprises movable block and fixed block, the space that described fixed block and movable block surround forms coil installation cavity, fixed block is fixedly arranged on base, movable block is extended with extension arm, extension arm is articulated with on base, and extension arm end is connected by spring with between base and movable block forms with coil to extrude to lock and coordinates under the driving of spring force.
In said structure, because movable block can rotate around jointed shaft, this coil installation cavity is opened, therefore this end being provided with movable block can think an openend of coil installation cavity, fixed block is installed on above base, extension arm is articulated with below base, and the end of extension arm then makes movable block realize the locking of coil towards coil direction clamping by the top pressure of spring, prevents it from moving, and spring-compressed can be made by the end pressing extension arm, drive movable block to open and be convenient to discharging of feeding.
As further setting of the present utility model, described movable block has the inner concave arc surface with coil arc adaptation towards the end face of coil.
In said structure, the inner concave arc surface of movable block and coil outer wall clamping effect of fitting is better.
As further setting of the present utility model, described base is also provided with static contact end positioning component, this end positioning component comprises locating piece and positioning tooth bar assembly, locating piece is provided with support step, positioning tooth bar assembly comprises upper rack, lower tooth bar and between upper rack and lower tooth bar respectively with upper rack and lower tooth bar meshed gears, the lower tooth bar other end that is relative and gears meshing stretches out outside described passage, upper rack is relative to be held on supporting table terrace with the other end of gears meshing and this end abutment support mesa sidewall and formed and limit spacing the coordinating of locating piece towards the direction movement of magnetic assembly.
In said structure, this end positioning component can position the relative distance of static contact and terminal plate in magnetic assembly, when material is sent in respective installation cavity, unavoidable location not situation accurately, can to do fine setting to the relative distance of static contact and terminal plate in magnetic assembly by this end positioning component, the relative position of the support step on locating piece to the height up and down of static contact and terminal plate plays regulating action.In practical work process, static contact is first placed on locating piece early stage, outside can be partial to relative to upper rack simultaneously, so that later stage upper rack stretches out, insert static contact interfix, then by outer inside casing, by terminal plate and coil, (now these two parts weld, can be considered a part) be pushed into static contact place, to adjust the relative distance between static contact and terminal plate.
Adopt such scheme, the utility model all has position and lock effect to all parts of magnetic assembly, each parts are avoided to occur shifting phenomena in pinpoint welding procedure, improve the accuracy of spot welding, and this positioning and locking device is easy and simple to handle, structural design is simple, and this spot welding fixture (SWFX) application of installation realizes full-automatic process operation on full-automatic spot welding process equipment.
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing explanation
Accompanying drawing 1 is the utility model specific embodiment schematic appearance;
Accompanying drawing 2 is the structure top view of the utility model specific embodiment accompanying drawing 1;
Accompanying drawing 3 is the utility model specific embodiment terminal plate locking device structure schematic diagram;
Accompanying drawing 4 is the utility model specific embodiment static contact locking device structure schematic diagram;
Accompanying drawing 5 is the utility model specific embodiment coil locking device structure schematic diagram;
Accompanying drawing 6 is the utility model specific embodiment end positioning component structural representation;
Accompanying drawing 7 is the structural representation of the utility model specific embodiment magnetic assembly.
Detailed description of the invention
Specific embodiment of the utility model is the spot welding fixture (SWFX) device of magnetic assembly in miniature circuit breaker as shown in figs. 1-7, comprise base 1, base 1 is provided with terminal plate installation cavity 11, coil installation cavity 12 and static contact installation cavity 13, terminal plate installation cavity 11, coil installation cavity 12 and static contact installation cavity 13 has respective openend respectively, the openend of terminal plate installation cavity 11 is provided with terminal plate locking device, the openend of coil installation cavity 12 is provided with coil locking device, the openend of static contact installation cavity 13 is provided with static contact locking device, terminal plate locking device comprises pressing plate 211, the movable positioning module be connected with pressing plate 211, base 1 offers the passage with movable positioning module adaptation, movable positioning module can move back and forth along the passage on base.Terminal plate 31, static contact 33 and coil 32 all have respective locking device to carry out locking positioning, coil 32 specification in the utility model is multiple, can change according to actual needs, pressing plate 211 in terminal plate locking device presses terminal plate 31 and plays location and prevent it from pinpoint welding procedure, occurring sliding phenomenon, improve spot welding accuracy, the advance of pressing plate 211 is driven to achieve a butt joint the location of line plate 31 when External Force Acting makes it move along the passage on base 1 in movable positioning module, pressing plate 211 can be driven to retreat simultaneously, cancel location to be convenient to dismantle the magnetic assembly that completed point welding process and to be convenient to charging.
The movable positioning module that above-mentioned static contact locking device also comprises pressing plate 231, is connected with pressing plate 231, base 1 offers the passage with movable positioning module adaptation, and movable positioning module can move back and forth along the passage on base 1.Static contact locking device also presses static contact 33 by pressing plate 231, and coordinating to drive the advance of pressing plate 231 or retreat and carried out tack-weld or discharging charging work of giving up the throne by movable positioning module and another passage on base 1.
The movable positioning module of above-mentioned terminal plate 31 comprise upper rack 242, lower tooth bar 241 and between upper rack 242 and lower tooth bar 241 respectively with upper rack 242 and lower tooth bar 241 meshed gears 243, the other end that lower tooth bar 241 relatively engages with gear 243 stretches out outside passage, the relative other end engaged with gear 243 of upper rack 242 towards terminal plate installation cavity 11 and this end and pressing plate 211 be connected.
The movable positioning module of above-mentioned static contact 33 comprise upper rack 244, lower tooth bar 245 and between upper rack 244 and lower tooth bar 245 respectively with upper rack 244 and lower tooth bar 245 meshed gears 246, the other end that lower tooth bar 245 relatively engages with gear 246 stretches out outside passage, the relative other end engaged with gear 246 of upper rack 244 towards static contact installation cavity 13 and this end and pressing plate 231 be connected.
Above-mentioned static contact locking device is consistent with the structure of terminal plate locking device, all there is the pressing plate 231 for extruding static contact 33 or terminal plate 31, 211, and drive pressing plate 231, the movable positioning module of 211 motions, this movable positioning module is realized by the cooperation of rack-and-pinion, External Force Acting is in lower tooth bar 241, 245 ends, lower tooth bar 241, 245 by gear 243, 246 effects drive upper rack 242, 244 make pressing plate 211 towards the direction motion of terminal plate 31 or static contact 33, 231 are squeezed on respective terminal plate 31 or static contact 33, this structure is simple, easy to operate, external force drives can by air cylinder driven.
The pressing plate 211 of above-mentioned terminal plate 31 comprises articulated section 2111, abutting part 2112 and convergence part 2113, abutting part 2112 and convergence part 2113 lay respectively at the both sides of articulated section 2111, pressing plate 211 is installed on upper rack 242 by articulated section 2111, convergence part 2113 is provided with spring 2114 towards the end face of upper rack 242, pressing plate 211 and upper rack 242 all offer coaxial location hole of the spring that is corresponding and spring 2114 adaptation, spring 2114 is installed in location hole of the spring, abutting part 2112 is stretched out by the end of upper rack 242 and forms with terminal plate 31 to extrude to lock under the driving of spring force and coordinates.
The pressing plate 231 of above-mentioned static contact 33 comprises articulated section 2311, abutting part 2312 and convergence part 2313, abutting part 2312 and convergence part 2313 lay respectively at the both sides of articulated section 2311, pressing plate 231 is installed on upper rack 244 by articulated section 2311, convergence part 2313 is provided with spring 2314 towards the end face of upper rack 244, pressing plate 231 and upper rack 244 all offer coaxial location hole of the spring that is corresponding and spring 2314 adaptation, spring 2314 is installed in location hole of the spring, abutting part 2312 is stretched out by the end of upper rack 244 and forms with static contact 33 to extrude to lock under the driving of spring force and coordinates.
Two pressing plates 211 in said structure, 231 are installed on upper rack 242 respectively, the top of 244, its convergence part 2113, 2313 are connected to spring 2114, on 2314, spring 2114, the elastic force of 2314 makes its abutting part 2112, 2312 are squeezed on respective terminal plate 31 or static contact 33 downwards, play positioning action, by pushing lower tooth bar 241, the mode of 245 unlocks, external force pushes lower tooth bar 241, 245, upper rack 242, 244 at gear 243, under the effect of 246, (namely with the side of pushing in the opposite direction) moves outwardly, make pressing plate 211, abutting part 2112 on 231, 2312 away from by static contact 33 and terminal plate 31, thus play the effect of unblock, novel in design, structure is simple.
Above-mentioned upper rack 242,244 cross section is in " convex " shape structure, passage on base 1 and this upper rack 242,244 shape adaptation, both cooperations limit upper rack 242,244 can only along passage axially-movable, in addition, base 1 is also provided with and coordinates with lower tooth bar 241,245 another passage limiting it and can only axially move, it is more stable that this limiting structure makes it move, and do not have radial swing tendency.
The pressing plate 231 of above-mentioned static contact 33 has taper abutting part towards the end face of static contact 33.The pressing plate 211 of above-mentioned terminal plate 31 has taper abutting part towards the end face of terminal plate 31.The parts that the taper abutting part of pressing plate 231,211 is less to structure also can have positioning action.
Above-mentioned coil locking device comprises movable block 221 and fixed block 222, the space that fixed block 222 and movable block 221 surround forms coil installation cavity 11, fixed block 222 is fixedly arranged on base 1, movable block 221 is extended with extension arm 223, extension arm 223 is articulated with on base 1, and extension arm 223 end is connected by spring 224 with between base 1 and movable block 221 forms to extrude to lock with coil 32 and coordinates under the driving of spring force.Because movable block 221 can rotate around jointed shaft, this coil installation cavity 11 is opened, therefore this end being provided with movable block 221 can think an openend of coil installation cavity 11, fixed block 222 is installed on above base 1, extension arm 223 is articulated with below base 1, the end of extension arm 223 then makes movable block 221 realize the locking to coil 32 towards the clamping of coil 32 direction by the top pressure of spring 224, prevent it from moving, and spring 224 can be compressed by the end pressing extension arm 223, drive movable block 221 to open and be convenient to discharging of feeding.
Above-mentioned movable block 221 has the inner concave arc surface 2211 with coil 32 arc adaptation towards the end face of coil 32.This inner concave arc surface 2211 and coil 32 outer wall clamping effect of fitting is better.
Above-mentioned base 1 is also provided with static contact end positioning component, this end positioning component comprises locating piece 251 and positioning tooth bar assembly, this positioning tooth bar assembly is identical with above-mentioned movable positioning module structure, locating piece 251 is provided with support step 2511, positioning tooth bar assembly comprises upper rack 248, lower tooth bar 247 and between upper rack 248 and lower tooth bar 247 respectively with upper rack 248 and lower tooth bar 247 meshed gears 249, the other end that lower tooth bar 247 engages with gear 249 relatively stretches out outside passage, the other end that upper rack 248 engages with gear 249 is relatively held on 2511, support step.This end positioning component can position the relative distance of static contact 33 and terminal plate 31 in magnetic assembly, when material being sent in respective installation cavity 11,13, unavoidable location not situation accurately, can do a fine setting to the relative distance of static contact 33 and terminal plate 31 in magnetic assembly by this end positioning component, the relative position of the height up and down of the 2511 pairs of static contacts 33 of the support step on locating piece 251 and terminal plate 31 plays regulating action.In practical work process, static contact 33 is first placed on locating piece 251 early stage, outside can be partial to relative to upper rack 248 simultaneously, so that later stage upper rack 248 stretches out, insert in the middle of static contact 33, by outer inside casing, by terminal plate 31 and coil 32(now these two parts weld, can be considered a part) be pushed into static contact 33 place, to regulate the relative distance between terminal plate 31 and coil 32.
Above-mentioned terminal plate installation cavity 11, coil installation cavity 12, static contact installation cavity 13 can be arranged on each mount pad of split setting; each mount pad and base 1 again clamping are convenient to assemble and dismantle; above-mentioned base 1 can also arrange protective cover and play the use such as dustproof and waterproof; the utility model all has position and lock effect to all parts of magnetic assembly; each parts are avoided to occur shifting phenomena in pinpoint welding procedure; improve the accuracy of spot welding, and this positioning and locking device is easy and simple to handle, structural design is simple.
Claims (9)
1. the spot welding fixture (SWFX) device of magnetic assembly in a miniature circuit breaker, comprise base, base is provided with terminal plate installation cavity, coil installation cavity and static contact installation cavity, terminal plate installation cavity, coil installation cavity and static contact installation cavity has respective openend respectively, it is characterized in that: the openend of described terminal plate installation cavity is provided with terminal plate locking device, the openend of coil installation cavity is provided with coil locking device, the openend of static contact installation cavity is provided with static contact locking device, described terminal plate locking device comprises pressing plate, the movable positioning module be connected with pressing plate, base offers the passage with described movable positioning module adaptation, movable positioning module can move back and forth along the passage on base.
2. the spot welding fixture (SWFX) device of magnetic assembly in miniature circuit breaker according to claim 1, it is characterized in that: the movable positioning module that described static contact locking device also comprises pressing plate, is connected with pressing plate, base offers the passage with described movable positioning module adaptation, movable positioning module can move back and forth along the passage on base.
3. the spot welding fixture (SWFX) device of magnetic assembly in miniature circuit breaker according to claim 1 and 2, it is characterized in that: described movable positioning module comprise upper rack, lower tooth bar and between upper rack and lower tooth bar respectively with upper rack and lower tooth bar meshed gears, lower tooth bar relatively stretches out outside described passage with the other end of gears meshing, the other end of the relative and gears meshing of described upper rack towards terminal plate installation cavity or static contact installation cavity and this end and described pressing plate be connected.
4. the spot welding fixture (SWFX) device of magnetic assembly in miniature circuit breaker according to claim 3, it is characterized in that: described pressing plate comprises articulated section, abutting part and convergence part, abutting part and convergence part lay respectively at the both sides of articulated section, described pressing plate is installed on described upper rack by articulated section, described convergence part is provided with spring towards the end face of upper rack, described pressing plate and upper rack all offer coaxial location hole of the spring that is corresponding and spring adaptation, spring fitting is in location hole of the spring, described abutting part is stretched out by the end of upper rack and forms with terminal plate or static contact to extrude to lock under the driving of spring force and coordinates.
5. the spot welding fixture (SWFX) device of magnetic assembly in miniature circuit breaker according to claim 4, is characterized in that: described upper rack cross section is in " convex " shape structure, the passage on described base and this upper rack shape adaptation.
6. the spot welding fixture (SWFX) device of magnetic assembly in miniature circuit breaker according to claim 1 and 2, is characterized in that: described pressing plate has taper abutting part towards the end face of static contact or terminal plate.
7. the spot welding fixture (SWFX) device of magnetic assembly in miniature circuit breaker according to claim 1, it is characterized in that: coil locking device comprises movable block and fixed block, the space that described fixed block and movable block surround forms coil installation cavity, fixed block is fixedly arranged on base, movable block is extended with extension arm, extension arm is articulated with on base, and extension arm end is connected by spring with between base and movable block forms with coil to extrude to lock and coordinates under the driving of spring force.
8. the spot welding fixture (SWFX) device of magnetic assembly in miniature circuit breaker according to claim 7, is characterized in that: described movable block has the inner concave arc surface with coil arc adaptation towards the end face of coil.
9. the spot welding fixture (SWFX) device of magnetic assembly in miniature circuit breaker according to claim 1, it is characterized in that: described base is also provided with static contact end positioning component, this static contact end positioning component comprises locating piece and positioning tooth bar assembly, locating piece is provided with support step, positioning tooth bar assembly comprises upper rack, lower tooth bar and between upper rack and lower tooth bar respectively with upper rack and lower tooth bar meshed gears, the lower tooth bar other end that is relative and gears meshing stretches out outside described passage, upper rack is relative to be held on supporting table terrace with the other end of gears meshing and this end abutment support mesa sidewall and formed and limit spacing the coordinating of locating piece towards the direction movement of magnetic assembly.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420574100.0U CN204108576U (en) | 2014-09-30 | 2014-09-30 | The spot welding fixture (SWFX) device of magnetic assembly in miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420574100.0U CN204108576U (en) | 2014-09-30 | 2014-09-30 | The spot welding fixture (SWFX) device of magnetic assembly in miniature circuit breaker |
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| CN204108576U true CN204108576U (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420574100.0U Active CN204108576U (en) | 2014-09-30 | 2014-09-30 | The spot welding fixture (SWFX) device of magnetic assembly in miniature circuit breaker |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104384786A (en) * | 2014-09-30 | 2015-03-04 | 浙江欣通电气有限公司 | Spot welding clamp device for magnetic assembly in miniature circuit breaker |
| CN105127650A (en) * | 2015-10-16 | 2015-12-09 | 无锡博进精密机械制造有限公司 | Welding jig of spiral coil |
| CN105598607A (en) * | 2016-03-03 | 2016-05-25 | 温州深科检测设备有限公司 | Electromagnetic system fixture |
| CN107097011A (en) * | 2017-04-21 | 2017-08-29 | 王建林 | Electromagnetic coil assembly welding system and welding method |
| WO2021258559A1 (en) * | 2020-06-24 | 2021-12-30 | 纵达电器有限公司 | Automatic welding tool for circuit breaker support and silver point |
-
2014
- 2014-09-30 CN CN201420574100.0U patent/CN204108576U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104384786A (en) * | 2014-09-30 | 2015-03-04 | 浙江欣通电气有限公司 | Spot welding clamp device for magnetic assembly in miniature circuit breaker |
| CN105127650A (en) * | 2015-10-16 | 2015-12-09 | 无锡博进精密机械制造有限公司 | Welding jig of spiral coil |
| CN105598607A (en) * | 2016-03-03 | 2016-05-25 | 温州深科检测设备有限公司 | Electromagnetic system fixture |
| CN107097011A (en) * | 2017-04-21 | 2017-08-29 | 王建林 | Electromagnetic coil assembly welding system and welding method |
| WO2021258559A1 (en) * | 2020-06-24 | 2021-12-30 | 纵达电器有限公司 | Automatic welding tool for circuit breaker support and silver point |
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Effective date of registration: 20200420 Address after: 323000 No. 8 Bailian Road, Nanmingshan Street, Liandu District, Lishui City, Zhejiang Province Patentee after: ZHEJIANG HUAYI ELECTRIC Co.,Ltd. Address before: The front road Meiyuan Ouhai Guo Xi village 325000 Zhejiang city of Wenzhou Province, No. 9 Patentee before: ZHEJIANG XINTONG ELECTRICAL APPLIANCE Co.,Ltd. |