CN115383238A - Welding device and method for moving contact component of contactor - Google Patents
Welding device and method for moving contact component of contactor Download PDFInfo
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- CN115383238A CN115383238A CN202210963699.6A CN202210963699A CN115383238A CN 115383238 A CN115383238 A CN 115383238A CN 202210963699 A CN202210963699 A CN 202210963699A CN 115383238 A CN115383238 A CN 115383238A
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- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/005—Soldering by means of radiant energy
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/04—Heating appliances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
Abstract
The utility model provides a welding set and method of contactor movable contact subassembly, includes the main part roof beam structure that can reciprocate through the drive source drive, main part roof beam structure internal slip is equipped with two upper bracket frames, upper bracket frame can select to be fixed through bolt and main part roof beam structure, be equipped with the sliding hole in the upper bracket frame, sliding connection has ceramic base in the sliding hole, ceramic base includes the connecting rod that is located the sliding hole, the connecting rod passes upper bracket frame bottom and is connected with the adapter sleeve, be fixed with ceramic depression bar in the adapter sleeve, upper ceramic depression bar upper reaches cover is equipped with and locates the both ends and be fixed in the damping spring between upper bracket frame lower extreme face and the adapter sleeve up end respectively, main part roof beam structure below is equipped with supporting pedestal relatively, it is equipped with two lower carriage to slide on the supporting pedestal, the lower carriage can select to pass through the bolt fastening on supporting pedestal, the lower carriage top is fixed with lower ceramic depression bar, but upper ceramic depression bar and lower ceramic depression bar top surface optional butt.
Description
Technical Field
The invention relates to a welding device and a welding method for a moving contact component of a contactor, and belongs to the field of moving contact welding devices.
Background
The contactor generally comprises a movable main contact, a static main contact, an arc-extinguishing cover, a movable iron core, a static iron core, an auxiliary contact, a bracket shell and the like. After the electromagnetic coil is electrified, the movable iron core is attracted under the electromagnetic force, and the movable contact is contacted with the static contact directly or through lever transmission to switch on a circuit. Therefore, in the closing process of the contactor, the requirement on the flatness of the two contacts of the moving contact is high, and the two contacts of the moving contact and the static contact are required to be contacted simultaneously. However, at present, the movable contact is mainly welded at one time by welding a single contact. In the single-contact sequential welding process, the copper piece is softened due to induction heating, so that the parallelism of a welding surface is abnormal. Therefore, it is very important to ensure the parallelism of the contacts during the welding process of the movable contact, and the parallelism is a key problem for determining the subsequent use of the contactor.
The welding of the contact of the existing contactor mainly takes induction welding as a main part, wherein the welding of a moving contact adopts a single-contact sequential welding process. In the welding process, the contact support is subjected to twice induction heating, and certain annealing softening can occur, so that the support can deform to a certain extent, and the parallelism of two welded contacts is abnormal. After the parallelism degree is abnormal, the original surface contact is changed into line contact during welding contact, the contact area is reduced, the contact resistance is increased, the phenomenon of overlarge temperature rise can occur when current passes through the contact, and after the moving contact and the fixed contact of the contactor are separated, a large electric arc can be generated between the moving contact and the fixed contact, so that the serious burning loss of the moving contact and the fixed contact is caused, and the use performance of the contactor is finally influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a welding device and a welding method for a moving contact component of a contactor.
A welding device of a contactor movable contact assembly comprises a main body beam frame which can move up and down through driving of a driving source, wherein two upper support frames are arranged in the main body beam frame in a sliding mode, the upper support frames can be fixed with the main body beam frame through bolts selectively, sliding holes are formed in the upper support frames, ceramic bases are connected in the sliding holes in a sliding mode and comprise connecting rods located in the sliding holes, the connecting rods penetrate through the bottoms of the upper support frames and are connected with connecting sleeves, upper ceramic pressure rods are fixed in the connecting sleeves, damping springs are sleeved on the upper streams of the upper ceramic pressure rods and are arranged between the lower end faces of the upper support frames and the upper end faces of the connecting sleeves respectively, a supporting base is arranged below the main body beam frame oppositely, two lower support frames are arranged on the supporting base in a sliding mode, the lower support frames can be fixed on the supporting base through bolts selectively, the top of the lower support frame is fixed with a lower ceramic pressure rod, the top surfaces of the upper ceramic pressure rod and the lower ceramic pressure rod can be selectively abutted, the positions of the upper ceramic pressure rod and the lower ceramic pressure rod can be adjusted, the upper ceramic pressure rod and the lower ceramic pressure rod can be adjusted according to the size of a workpiece to be welded, the tooling universality is strong, the operation is simple, meanwhile, the traditional rigid cylinder pressure head is converted into a buffer type with a spring structure, along with the change of welding deformation in the welding process of a product, the welding pressure is synchronously tracked and applied, the product quality is more stable, the welding of two contacts and a plurality of parts such as a movable support and the like can be completed at one time, the welding appearance solder of a contact assembly is uniformly and fully seeped, the shearing force and the metallographic performance index are good, the welding efficiency is high, the welding quality consistency is good, and the large-batch stable production of the product can be realized.
Furthermore, the top of the connecting rod is provided with an anti-slip hole, an anti-slip needle capable of being selectively abutted to the end face of the upper support frame is arranged in the anti-slip hole in a penetrating mode, and the connecting rod is prevented from slipping from the upper support frame, so that the upper ceramic pressure rod is damaged.
Preferably, the side wall of the connecting sleeve is provided with a first fixing hole, the first fixing hole is connected with a first fixing bolt in a rotating mode, the upper ceramic pressure rod is fixed in the connecting sleeve through being abutted to the first fixing bolt, the disassembly and the installation of the upper ceramic pressure rod are controlled through the abutting of the first fixing bolt and the upper ceramic pressure rod, and the structure is simple, so that the rapid assembly and the replacement of the upper ceramic pressure rods with different sizes are facilitated.
Furthermore, the lower support frame is provided with a fixing groove for fixing the lower ceramic pressure rod, the outer wall of the lower support frame is provided with a second fixing hole communicated with the fixing groove, a second fixing bolt is rotatably connected in the second fixing hole, and the lower ceramic pressure rod is fixed in the fixing groove through the second fixing bolt, so that the lower ceramic pressure rod is convenient to mount and dismount.
Further, be equipped with first slide in the main part roof beam structure, go up the support frame and slide and locate in the first slide, be equipped with the second slide in the support base, the infraction frame slides and locates in the second slide, through the distance between the nimble upper and lower ceramic depression bar of adjusting of first slide and second slide for the adaptation soldering lug with move the different models and the material of support.
Furthermore, the cross sections of the first slide way and the second slide way are dovetail grooves, so that the upper support frame and the lower support frame can conveniently slide in the first slide way and the second slide way, and can not fall off through the clamping connection of the dovetail grooves.
Preferably, the main body beam frame is provided with a fixing block positioned between the two upper support frames, the fixing block is provided with a transmission hole for connecting a driving source, and the fixing block not only can be used as a part for connecting the driving source, but also can play a role in isolation, so that collision cannot be generated between the two upper support frames, and parts are not damaged.
Preferably, the upper ceramic pressure rod and the lower ceramic pressure rod are electrically connected with external welding heating equipment and used for providing heat to heat the upper ceramic pressure rod and the lower ceramic pressure rod and weld the soldering lug and the movable support.
Further, the driving source is a driving cylinder or a driving motor, or other driving sources capable of providing power, such as a driving hydraulic cylinder, may be selected.
The invention also provides a welding method of the contactor moving contact assembly, which is operated by using the welding device and comprises the following steps:
(1) Soldering lug preparation, namely placing the soldering lug dipped with the pasty soldering flux on the welding surface of the movable support, wherein the shape of the soldering lug is similar to that of the contact, and the actual using area of the soldering lug is about 60-80% of the size of the welding area of the contact;
(2) Positioning a support, adjusting the transverse distance between an upper ceramic pressure rod and a lower ceramic pressure rod to the required welding center distance of a movable contact, and then placing the movable support and a soldering lug to be welded on the lower ceramic pressure rod;
(3) Starting a driving source connected with the main body beam frame, and enabling the two upper ceramic pressure rods to descend and tightly press on the soldering terminal and the contacts of the movable support, so that the two movable contacts and the movable support are tightly pressed between the upper ceramic pressure rods and the lower ceramic pressure rods at the same time;
(4) Turning on a power switch of external welding heating equipment, setting welding parameters on the equipment, and starting a heating switch to heat the soldering lug and the movable support;
(5) And after the welding is finished and the product is cooled for 2-3 seconds, driving the upper ceramic pressure rod to ascend, taking the welded product away by using tweezers, and finally finishing the manufacture of the moving contact.
The invention has the following beneficial effects: the position of the upper ceramic pressure rod and the position of the lower ceramic pressure rod can be adjusted, the upper ceramic pressure rod and the lower ceramic pressure rod can be adjusted according to the size of a workpiece to be welded, the tooling universality is strong, the operation is simple, meanwhile, the traditional rigid cylinder pressure head is converted into a buffer type with a spring structure, along with the change of welding deformation in the welding process of a product, the welding pressure is synchronously tracked and applied, the product quality is more stable, the welding of two contacts and a plurality of parts such as a movable support and the like is completed at one time, the seepage of welding appearance solder is uniform and full, the shearing force and the metallographic performance index are good, the welding efficiency is high, the welding quality consistency is good, and the mass stable production of the product can be realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is within the scope of the present invention for those skilled in the art to obtain other drawings based on the drawings without inventive exercise.
FIG. 1 is a view showing the structure of the main body of the present invention;
FIG. 2 is a structural view of an upper support frame in the present invention;
FIG. 3 is a cross-sectional view of a ceramic base;
FIG. 4 is a graph of weld parallelism test data results before improvement;
FIG. 5 is a graph of weld parallelism test data results after using the method;
in the figure, 1, a main body beam frame; 11. a first slideway; 12. a fixed block; 13. a drive bore; 2. an upper support frame; 21. a slide hole; 22. a ceramic base; 221. a connecting rod; 2211. an anti-slip hole; 2212. a non-slip needle; 222. connecting sleeves; 2221. a first fixing hole; 2222. a first fixing bolt; 23. a damping spring; 3. mounting a ceramic pressure lever; 4. a support base; 41. a second slideway; 5. a lower support frame; 51. fixing grooves; 52. a second fixing hole; 53. a second fixing bolt; 6. a lower ceramic pressure bar.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
The terms of direction and position of the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer to the direction and position of the attached drawings. Accordingly, the use of directional and positional terms is intended to illustrate and understand the present invention and is not intended to limit the scope of the present invention.
As shown in fig. 1-3, an embodiment of a welding device and method for a contactor moving contact assembly according to the present invention comprises a main body beam frame 1 capable of moving up and down driven by a driving source, two upper support frames 2 are slidably disposed in the main body beam frame 1, the upper support frames 2 can be selectively fixed to the main body beam frame 1 by bolts, a sliding hole 21 is disposed in each upper support frame 2, a ceramic base 22 is slidably connected in each sliding hole 21, the ceramic base 22 comprises a connecting rod 221 disposed in each sliding hole 21, the connecting rod 221 penetrates through the bottom of the upper support frame 2 and is connected with a connecting sleeve 222, an upper ceramic press rod 3 is fixed in each connecting sleeve 222, a damping spring 23 having two ends respectively fixed between the lower end surface of each upper support frame 2 and the upper end surface of each connecting sleeve 222 is sleeved upstream of the upper ceramic press rod 3, a support base 4 is oppositely disposed below the main body beam frame 1, two lower support frames 5 are slidably disposed on the support base 4, the lower support frame 5 can be selectively fixed on the support base 4 through bolts, the top of the lower support frame 5 is fixedly provided with the lower ceramic pressure rod 6, the top surfaces of the upper ceramic pressure rod 3 and the lower ceramic pressure rod 6 can be selectively abutted, the positions of the upper ceramic pressure rod and the lower ceramic pressure rod can be adjusted, and the upper ceramic pressure rod and the lower ceramic pressure rod can be adjusted according to the size of a workpiece to be welded. Can realize the mass stable production of products.
The top of the connecting rod 221 is provided with an anti-slip hole 2211, and an anti-slip needle 2212 which can be selectively abutted to the end face of the upper support frame 2 penetrates through the anti-slip hole 2211, so that the connecting rod 221 is prevented from slipping from the upper support frame 2, and the upper ceramic pressure rod 3 is prevented from being damaged. The connecting sleeve 222 lateral wall is equipped with first fixing hole 2221, the internal rotation of first fixing hole 2221 is connected with first fixing bolt 2222, go up ceramic depression bar 3 and be fixed in the connecting sleeve 222 through the butt with first fixing bolt 2222, through the dismantlement and the installation of ceramic depression bar 3 in first fixing bolt 2222 and the control of last ceramic depression bar 3 butt, only need rotate the first fixing bolt of adjustment 2222 can, simple structure is favorable to rapid Assembly and the last ceramic depression bar 3 of changing not unidimensional.
The lower support frame 5 is provided with a fixing groove 51 for fixing the lower ceramic pressure rod 6, the outer wall of the lower support frame 5 is provided with a second fixing hole 52 communicated with the fixing groove 51, a second fixing bolt 53 is connected in the second fixing hole 52 in a rotating mode, the lower ceramic pressure rod 6 is fixed in the fixing groove 51 through the second fixing bolt 53, and the lower ceramic pressure rod is convenient to mount and dismount through the same principle as the upper ceramic pressure rod 3. Be equipped with first slide 11 in the main part roof beam structure 1, go up support frame 2 and slide and locate in first slide 11, be equipped with second slide 41 in the support base 4, in second slide 41 was located in the lower carriage 5 slides, adjusted the distance between the upper and lower ceramic depression bar in a flexible way through first slide 11 and second slide 41 for the adaptation soldering lug with move the different models and the material of support. The cross sections of the first slide way 11 and the second slide way 41 are dovetail grooves, so that the upper support frame 2 and the lower support frame 5 can slide in the first slide way and the second slide way 41 conveniently, and can not fall off through the dovetail groove clamping.
The main body beam frame 1 is provided with a fixing block 12 positioned between the two upper supporting frames 2, the fixing block 12 is provided with a transmission hole 13 for connecting a driving source, and the fixing block 12 not only can be used as a part for connecting the driving source, but also can play a role in isolation, so that the two upper supporting frames 2 cannot collide with each other to damage parts. The drive source is a drive cylinder or a drive motor, or other drive sources capable of providing power, such as a drive hydraulic cylinder, may be selected. The upper ceramic pressure rod 3 and the lower ceramic pressure rod 6 are electrically connected with external welding heating equipment and used for providing heat to heat the upper ceramic pressure rod and the lower ceramic pressure rod and welding the soldering lug and the movable support.
The invention also provides a welding method of the moving contact component of the contactor, which is operated by using the welding device and comprises the following steps: in this embodiment, the contact material is 21# AgSnO 2 The soldering lug is made of BAg25CuZn, the specification is 9mm multiplied by 1mm, the support is made of T2, and the center distance between the welding positions of the two contacts is 42mm.
(1) Soldering lug preparation, namely placing the soldering lug dipped with the pasty soldering flux on the welding surface of the movable support, wherein the shape of the soldering lug is similar to that of the contact, and the actual using area of the soldering lug is about 60-80% of the size of the welding area of the contact;
(2) Positioning a support, namely adjusting the transverse distance between an upper ceramic pressure rod 3 and a lower ceramic pressure rod 6 to the required welding center distance of a movable contact, and then placing the movable support and a soldering terminal to be welded on the lower ceramic pressure rod 6;
(3) Starting a driving source connected with the main body beam frame 1 to enable the two upper ceramic pressure rods 3 to descend and tightly press on the soldering terminal and the contacts of the movable support, so that the two movable contacts and the movable support are tightly pressed between the upper ceramic pressure rods 3 and the lower ceramic pressure rods 6 at the same time;
(4) Turning on a power switch of external welding heating equipment, setting welding parameters on the equipment, starting a heating switch, and heating the soldering lug and the movable support;
(5) After welding is finished and the ceramic pressure bar 3 is cooled for 2-3 seconds, the ceramic pressure bar is driven to ascend, and the product which is welded is taken away by using tweezers, so that the manufacture of the moving contact is finished finally.
Compared with the traditional single-point welding mode, referring to fig. 4-5, the parallelism before improvement is 0.2124mm, the parallelism after improvement is 0.1168mm, the qualification rate and the stability of the welding of the soldering lug and the movable support in the improved method are greatly improved, the surface flatness is also greatly improved, and a better and more stable conductive function can be realized.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.
While the invention has been described with reference to several particular embodiments, it is to be understood that the invention is not limited to the specific embodiments disclosed. The invention is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. The utility model provides a welding set of contactor movable contact subassembly which characterized in that: include the main part roof beam structure that can reciprocate through the drive source drive, it is equipped with two upper bracket frames to slide in the main part roof beam structure, upper bracket frame can select to pass through the bolt fixed with the main part roof beam structure, be equipped with the sliding hole in the upper bracket frame, sliding connection has ceramic base in the sliding hole, ceramic base is including being located the connecting rod in the sliding hole, the connecting rod passes upper bracket frame bottom and is connected with the adapter sleeve, be fixed with ceramic depression bar in the adapter sleeve, go up ceramic depression bar upper reaches cover and be equipped with the damping spring who locates both ends and be fixed in respectively between upper bracket frame lower extreme face and the adapter sleeve upper extreme face, main part roof beam structure below is equipped with the support base relatively, it is equipped with two under bracing frames to slide on the support base, under bracing frame can select to pass through the bolt fastening on the support base, the under bracing frame top is fixed with ceramic depression bar down, go up ceramic depression bar and the optional butt of ceramic depression bar top surface down.
2. The apparatus for welding a contact movable contact assembly as recited in claim 1, wherein: the top of the connecting rod is provided with an anti-slip hole, and an anti-slip needle which can be selectively abutted to the end face of the upper support frame is arranged in the anti-slip hole in a penetrating mode.
3. The apparatus for welding a contact movable contact assembly as recited in claim 1, wherein: the side wall of the connecting sleeve is provided with a first fixing hole, a first fixing bolt is rotatably connected in the first fixing hole, and the upper ceramic pressure rod is fixed in the connecting sleeve by abutting against the first fixing bolt.
4. A welding apparatus for a contactor movable contact assembly as claimed in claim 1, wherein: the lower support frame is provided with a fixing groove for fixing the lower ceramic pressure rod, the outer wall of the lower support frame is provided with a second fixing hole communicated with the fixing groove, a second fixing bolt is rotatably connected in the second fixing hole, and the lower ceramic pressure rod is fixed in the fixing groove through the second fixing bolt.
5. A welding apparatus for a contactor movable contact assembly as claimed in claim 1, wherein: the main part roof beam structure is equipped with first slide, go up the support frame and slide and locate in the first slide, be equipped with the second slide in the support base, the inframarginal frame slides and locates in the second slide.
6. The apparatus for welding a contact movable contact assembly as recited in claim 5, wherein: the cross sections of the first slide way and the second slide way are dovetail grooves.
7. A welding apparatus for a contactor movable contact assembly as claimed in claim 1, wherein: the main body beam frame is provided with a fixing block positioned between the two upper supporting frames, and the fixing block is provided with a transmission hole for connecting a driving source.
8. A welding apparatus for a contactor movable contact assembly as claimed in claim 1, wherein: the upper ceramic pressure lever and the lower ceramic pressure lever are electrically connected with external welding heating equipment.
9. A welding device for movable contact assemblies of contactors as claimed in claim 1 or 7 wherein: the driving source is a driving cylinder or a driving motor.
10. A welding method of a moving contact component of a contactor is characterized by comprising the following steps: operating with the device according to any one of the preceding claims 1 to 9, the welding method comprising:
(1) Soldering lug preparation, namely placing the soldering lug dipped with the pasty soldering flux on the welding surface of the movable support, wherein the shape of the soldering lug is similar to that of the contact, and the actual using area of the soldering lug is about 60-80% of the size of the welding area of the contact;
(2) Positioning a support, adjusting the transverse distance between an upper ceramic pressure rod and a lower ceramic pressure rod to the required welding center distance of a movable contact, and then placing the movable support and a soldering lug to be welded on the lower ceramic pressure rod;
(3) Starting a driving source connected with the main body beam frame, and enabling the two upper ceramic pressure rods to descend and tightly press the welding sheet and the contacts of the movable support, so that the two movable contacts and the movable support are tightly pressed between the upper ceramic pressure rods and the lower ceramic pressure rods at the same time;
(4) Turning on a power switch of external welding heating equipment, setting welding parameters on the equipment, starting a heating switch, and heating the soldering lug and the movable support;
(5) And after the welding is finished and the product is cooled for 2-3 seconds, driving the upper ceramic pressure rod to ascend, taking the welded product away by using tweezers, and finally finishing the manufacture of the moving contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210963699.6A CN115383238A (en) | 2022-08-11 | 2022-08-11 | Welding device and method for moving contact component of contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210963699.6A CN115383238A (en) | 2022-08-11 | 2022-08-11 | Welding device and method for moving contact component of contactor |
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| CN115383238A true CN115383238A (en) | 2022-11-25 |
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| CN202210963699.6A Pending CN115383238A (en) | 2022-08-11 | 2022-08-11 | Welding device and method for moving contact component of contactor |
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| CN112643162A (en) * | 2020-11-30 | 2021-04-13 | 福达合金材料股份有限公司 | Welding method of industrial plug and socket contact assembly |
| CN114378392A (en) * | 2022-01-14 | 2022-04-22 | 浙江福达合金材料科技有限公司 | High-frequency induction brazing welding equipment and method |
| CN217142688U (en) * | 2022-04-19 | 2022-08-09 | 佛山市诺普材料科技有限公司 | A induction welding device for processing silver contact shell fragment |
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2022
- 2022-08-11 CN CN202210963699.6A patent/CN115383238A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012048907A (en) * | 2010-08-25 | 2012-03-08 | Panasonic Electric Works Co Ltd | Spring load adjustment structure and spring load adjustment method of contact device |
| CN102049581A (en) * | 2010-11-15 | 2011-05-11 | 贵州天义电器有限责任公司 | Method for welding d two contact points and contact piece of contactor and special electrode |
| CN202224837U (en) * | 2011-09-22 | 2012-05-23 | 福达合金材料股份有限公司 | High-frequency induction welder pressure head |
| CN203484774U (en) * | 2013-10-15 | 2014-03-19 | 福达合金材料股份有限公司 | Slow pressing type pressing head for lateral welding/induction brazing contact assembly |
| WO2016145724A1 (en) * | 2015-03-19 | 2016-09-22 | 江苏大学 | Adjustable clamp for use in marine deck welding test |
| WO2017206653A1 (en) * | 2016-05-31 | 2017-12-07 | 比亚迪股份有限公司 | Relay |
| CN112643162A (en) * | 2020-11-30 | 2021-04-13 | 福达合金材料股份有限公司 | Welding method of industrial plug and socket contact assembly |
| CN114378392A (en) * | 2022-01-14 | 2022-04-22 | 浙江福达合金材料科技有限公司 | High-frequency induction brazing welding equipment and method |
| CN217142688U (en) * | 2022-04-19 | 2022-08-09 | 佛山市诺普材料科技有限公司 | A induction welding device for processing silver contact shell fragment |
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