CN211804491U - Gas-cooker thermocouple terminal and wire welding set - Google Patents
Gas-cooker thermocouple terminal and wire welding set Download PDFInfo
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- CN211804491U CN211804491U CN201922263530.6U CN201922263530U CN211804491U CN 211804491 U CN211804491 U CN 211804491U CN 201922263530 U CN201922263530 U CN 201922263530U CN 211804491 U CN211804491 U CN 211804491U
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Abstract
The utility model relates to a gas-cooker thermocouple terminal and wire welding set relates to the technical field of thermocouple processing, has solved current thermocouple terminal and thermocouple wire and when the welding, carries out the material loading through the manual work, needs the operator to snatch the thermocouple terminal with the hand during material loading and carries out the blowing, welds again, and intensity of labour is big, the problem that machining efficiency is low, and it includes: the welding mechanism is arranged on the workbench, and the welding mechanism also comprises a feeding mechanism; the feeding mechanism comprises a vibrating disk arranged on one side of the workbench, a feeding channel arranged on the workbench and connected with the vibrating disk, a material blocking assembly arranged at one end, far away from the vibrating disk, of the feeding channel on the workbench, and a conveying assembly arranged on the workbench and arranged on the feeding channel to clamp the thermocouple terminal and convey the thermocouple terminal to the welding mechanism. The utility model discloses have the automatic feeding who has realized the thermocouple terminal, improved thermocouple terminal and wire welded welding machining efficiency's effect.
Description
Technical Field
The utility model belongs to the technical field of the technique of thermocouple processing and specifically relates to a gas-cooker thermocouple terminal and wire welding set is related to.
Background
The thermocouple is a commonly used temperature measuring element in a temperature measuring instrument, directly measures temperature, converts a temperature signal into a thermal electromotive force signal, and converts the thermal electromotive force signal into the temperature of a measured medium through an electric instrument. The thermocouple has a wide application range in the industrial field, and has various structural forms according to different application environments.
The conventional thermocouple for a gas range includes a thermocouple wire 41, a thermocouple terminal 42 provided at one end of the thermocouple wire 41, and a connection terminal 43 provided at the other end of the thermocouple wire 41; both the thermocouple terminal 42 and the connection terminal 43 are welded to the thermocouple wire 41.
When welding the existing thermocouple terminal and thermocouple wire, the feeding is carried out manually, and an operator needs to grab the thermocouple terminal by hand to discharge and then weld the thermocouple terminal, so that the labor intensity is high, the processing efficiency is low, and an improved space is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a gas-cooker thermocouple terminal and wire welding set has realized the automatic feeding of thermocouple terminal, has improved thermocouple terminal and wire welded welding process efficiency.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a welding device for a thermocouple terminal and a lead of a gas stove comprises a workbench, a welding mechanism arranged on the workbench and a feeding mechanism;
feed mechanism is including locating the vibration dish of workstation one side, locate on the workstation and the material loading of being connected with the vibration dish say, locate on the workstation material loading say the fender material subassembly of the one end of keeping away from the vibration dish and locate on the workstation and locate the material loading say in order to press from both sides the thermocouple terminal and carry to welding mechanism's transport assembly.
Through adopting above-mentioned technical scheme, the cooperation is said with the material loading to the vibration dish and is arranged thermocouple terminal neatly and say the transport through the material loading, and it is spacing to stop the thermocouple terminal that the material loading was said and is carried to the welding mechanism to keep off the thermocouple terminal that the material subassembly blockked after, and welding mechanism welds thermocouple terminal and thermocouple wire, has realized the automatic feeding of thermocouple terminal, has improved thermocouple terminal and wire welded welding process efficiency.
The utility model discloses further set up to: the material blocking assembly comprises:
the two material blocking claws are arranged at one end of the feeding channel away from the vibrating disk; and
the material blocking cylinder is arranged on the workbench and connected with the material blocking claw to drive the two material blocking claws to open or close.
Through adopting above-mentioned technical scheme, the material blocking cylinder orders about two material blocking claws closed to carry on spacingly to the thermocouple terminal, make the thermocouple terminal be difficult for following the material loading and say landing, stability when having improved the material loading and saying the pay-off.
The utility model discloses further set up to: the delivery assembly comprises:
the clamping cylinder is arranged right above the feeding channel on the workbench;
the clamping claw is connected with the clamping cylinder to clamp the thermocouple terminal; and
and the conveying cylinder is arranged right above the feeding channel on the workbench, and a piston rod is connected with the clamping cylinder to order about the clamping cylinder to move to the welding mechanism.
Through adopting above-mentioned technical scheme, the centre gripping cylinder orders about and presss from both sides the material claw to the material loading way and is close to the thermocouple terminal that keeps off the material claw and carry out the centre gripping, and the piston rod extension of carrying the cylinder drives the centre gripping cylinder and carries the thermocouple terminal to thermocouple terminal welding mechanism, has realized the automatic feeding of thermocouple terminal.
The utility model discloses further set up to: the welding mechanism includes:
the welding gun is arranged on the workbench and used for welding the thermocouple terminal and the thermocouple lead; and
and the lifting cylinder is arranged on the workbench to drive the welding gun to lift.
By adopting the technical scheme, the lifting cylinder drives the welding gun to descend to weld the thermocouple terminal and the thermocouple lead, and after welding is completed, the lifting cylinder drives the welding gun to ascend, so that automatic welding of the thermocouple terminal and the thermocouple lead is realized.
The utility model discloses further set up to: the fixed block is fixed on a piston rod of the lifting cylinder, the fixed block is fixed with a fixed disc through two fixing bolts, one side, away from the fixed block, of the fixed disc is provided with a first clamping plate, and one side, away from the fixed disc, of the first clamping plate is fixed with a second clamping plate matched with the first clamping plate through bolts to clamp and fix the welding gun.
Through adopting above-mentioned technical scheme, welder carries out the centre gripping through first grip block and second grip block and fixes, and simple structure conveniently carries out the dismouting to welder, has improved welder's dismouting change efficiency.
The utility model discloses further set up to: the fixed disk is provided with an arc-shaped hole which is concentrically arranged with the fixed disk and is used for the fixed bolt to penetrate and slide.
Through adopting above-mentioned technical scheme, welder's welding angle accessible fixing bolt adjusts with sliding in arc hole, has improved welder welding angle's variety.
The utility model discloses further set up to: and clamping grooves are formed in one sides, close to the welding gun, of the first clamping plate and the second clamping plate.
By adopting the technical scheme, the contact area of the first clamping plate, the second clamping plate and the welding gun is increased due to the arrangement of the clamping grooves, so that the first clamping plate and the second clamping plate can clamp the welding gun more firmly.
The utility model discloses further set up to: the welding mechanism also comprises a thermocouple terminal clamping assembly arranged on one side, close to the conveying assembly, of the welding gun on the workbench;
the thermocouple terminal clamping assembly comprises a clamping cylinder and a clamping claw, wherein the clamping cylinder is arranged on one side, close to the conveying assembly, of the welding gun on the workbench, and the clamping claw is connected with the clamping cylinder to clamp the thermocouple terminal.
Through adopting above-mentioned technical scheme, the clamping cylinder orders about the clamping jaw and carries out the centre gripping to the thermocouple terminal fixed, and need not the manual work and to the thermocouple terminal centre gripping to make things convenient for welder to weld thermocouple terminal and thermocouple wire, reduced operating personnel's intensity of labour.
The utility model discloses further set up to: the welding mechanism also comprises a thermocouple wire clamping assembly arranged on one side, away from the conveying assembly, of the welding gun on the workbench;
the thermocouple wire clamping assembly comprises a clamping cylinder and a clamping claw, wherein the clamping cylinder is arranged on one side, away from the conveying assembly, of the welding gun on the workbench, and the clamping claw is connected with the clamping cylinder to clamp the thermocouple wire.
Through adopting above-mentioned technical scheme, die clamping cylinder orders about the clamping jaw and presss from both sides tightly the thermocouple wire to make the thermocouple wire place on the thermocouple terminal, conveniently weld thermocouple terminal and thermocouple wire together through welder.
To sum up, the utility model discloses a beneficial technological effect does:
the automatic feeding of the thermocouple terminal is realized, and the welding processing efficiency of welding the thermocouple terminal and the lead is improved.
Drawings
Fig. 1 is a schematic structural view of a conventional thermocouple for a gas range.
Fig. 2 is a schematic structural view of a thermocouple terminal and lead wire welding device for a gas stove.
Fig. 3 is a partial structural view of a thermocouple terminal and lead wire welding device for a gas stove.
Fig. 4 is a partial structure schematic view of the feeding channel, the material blocking assembly and the conveying assembly.
Fig. 5 is a schematic structural view of the welding mechanism.
Fig. 6 is an exploded view of the second clamping plate and the welding gun, the first clamping plate, and the fixing block.
Fig. 7 is a schematic structural view of the thermocouple terminal clamping assembly.
FIG. 8 is a schematic view of a thermocouple wire clamping assembly.
Fig. 9 is an exploded schematic view of two clamping jaws.
In the figure, 1, a workbench; 11. a fixed table; 12. a support plate; 2. a welding mechanism; 21. a welding gun; 211. a welding gun arm; 22. a lifting cylinder; 23. a fixed block; 24. fixing the bolt; 25. fixing the disc; 251. an arc-shaped hole; 26. a first clamping plate; 27. a second clamping plate; 261. a clamping groove; 28. a thermocouple terminal clamping assembly; 281. clamping the cylinder; 282. installing a clamping jaw; 283. a clamping groove; 29. a thermocouple wire clamping assembly; 291. a clamping cylinder; 292. a clamping jaw; 2921. a clasping part; 2922. a connecting portion; 2923. a holding groove; 3. a feeding mechanism; 31. a vibrating pan; 32. a feeding channel; 33. the material blocking component; 34. a delivery assembly; 331. a material blocking claw; 332. a material blocking cylinder; 341. a clamping cylinder; 342. a material clamping claw; 343. a conveying cylinder; 4. a thermocouple of a gas stove; 41. a thermocouple wire; 42. a thermocouple terminal; 43. and a connection terminal.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 2 and 3, the utility model discloses a welding device for thermocouple terminals and wires of a gas stove, which comprises a workbench 1, a welding mechanism 2 and a feeding mechanism 3; the feeding mechanism 3 comprises a vibrating disc 31, a feeding channel 32, a material blocking assembly 33 and a conveying assembly 34; the feeding channel 32 is connected with the vibrating disc 31 and extends towards the workbench 1, a supporting plate 12 is arranged on the lower side of one end, close to the workbench 1, of the feeding channel 32, one end of the supporting plate 12 is welded or fixed on the workbench 1 through a bolt, the other end of the supporting plate is abutted to the lower side of the feeding channel 32 to support the feeding channel 32, the conveying assembly 34 is installed on the upper side of one end, close to the workbench 1, of the feeding channel 32, the material blocking assembly 33 is installed on the workbench 1 and located at one end, far away from the vibrating disc 31, of the feeding channel 32, and the welding mechanism 2 is installed on the workbench 1 and located on one side, far away from the feeding channel 32; the vibration disc 31 is used for arraying the thermocouple terminals 42 neatly and conveying the thermocouple terminals to the material blocking assembly 33 through the material feeding channel 32, the material blocking assembly 33 blocks the thermocouple terminals 42 for limitation so that the thermocouple terminals 42 are not prone to slipping off the material feeding channel 32, and the conveying assembly 34 is used for conveying the thermocouple terminals 42 to the welding mechanism 2 for welding.
Referring to fig. 3 and 4, the striker assembly 33 includes a striker cylinder 332 and a striker claw 331; the material blocking cylinder 332 is a manipulator clamping cylinder 341, the lower end of the material blocking cylinder 332 is fixed on the workbench 1, and an air claw of the material blocking cylinder 332 is arranged upwards; the number of the material blocking claws 331 is two, the material blocking claws are in one-to-one correspondence with the gas claws of the material blocking cylinder 332, and the material blocking claws 331 are fixed on the gas claws of the material blocking cylinder 332 through screws; when the thermocouple terminal 42 needs to be blocked, the material blocking cylinder 332 drives the two material blocking claws 331 to be closed; otherwise, the material blocking cylinder 332 drives the two material blocking claws 331 to turn and separate towards two sides.
The conveying assembly 34 comprises a clamping cylinder 341, a material clamping claw 342 and a conveying cylinder 343; the conveying cylinder 343 is fixed on the upper side of the feeding channel 32, and the piston rod extends towards the material blocking assembly 33 along the length direction of the feeding channel 32; the clamping cylinder 341 is fixed on the piston rod of the conveying cylinder 343, the clamping jaws of the clamping cylinder 341 extend toward the material blocking assembly 33, the two clamping jaws of the clamping cylinder 341 are turned over towards two sides in the horizontal direction, the number of the material clamping jaws 342 is two, the two material clamping jaws 342 correspond to the clamping jaws of the clamping cylinder 341 one by one, and the material clamping jaws 342 are fixed on the clamping jaws of the clamping cylinder 341 through screws; during operation, the clamping cylinder 341 drives the clamping claw 342 to clamp the thermocouple terminal 42, and then the piston rod of the conveying cylinder 343 extends to drive the clamping cylinder 341 to convey the thermocouple terminal 42 to the welding mechanism 2.
Referring to fig. 5 and 6, the welding mechanism 2 includes a welding gun 21 and a lifting cylinder 22; the lifting cylinder 22 is fixed on the fixed table 11 on the workbench 1, the piston rod is vertically arranged upwards, a fixed block 23 is fixed on the piston rod of the lifting cylinder 22 through bolts, the fixed block 23 is in an L-shaped arrangement, one side of the fixed block 23 is fixed with the piston rod of the lifting cylinder 22, the other side of the fixed block 23 is fixed with a fixed disc 25 through two fixing bolts 24, one side of the fixed disc 25 far away from the fixed block 23 is welded with a first clamping plate 26, a second clamping plate 27 is fixed on one side of the first clamping plate 26 far away from the fixed disc 25 through bolts, and the first clamping plate 26 and the second clamping plate 27 are matched to clamp the welding gun arm 211 of the fixed welding gun 21.
The fixed disk 25 is provided with two arc-shaped holes 251, the arc-shaped holes 251 are arranged in an arc shape and are concentric with the fixed disk 25, and the arc-shaped holes 251 are used for the fixed bolts 24 to penetrate and slide; when the angle of the welding gun 21 is adjusted, the fixing bolt 24 is firstly unscrewed, then the fixing disc 25 is rotated to adjust the angle of the welding gun 21, and after the angle adjustment is completed, the fixing bolt 24 is screwed to compress and fix the fixing disc 25.
Clamping groove 261 has all been seted up to one side that is close to welder arm 211 on first grip block 26 and the second grip block 27, and clamping groove 261 supplies welder 21 to inlay to establish to increase the area of contact of first grip block 26, second grip block 27 and welder arm 211, make first grip block 26 and second grip block 27 fix more firmly to welder 21.
Referring to fig. 5 and 7, the welding mechanism 2 further includes a thermocouple terminal clamping assembly 28, the thermocouple terminal clamping assembly 28 is disposed on the left side of the welding gun 21, the thermocouple terminal clamping assembly 28 is configured to clamp and fix the thermocouple terminal 42, and the thermocouple terminal clamping assembly 28 includes a clamping cylinder 281 and a clamping claw 282; clamping cylinder 281 is pneumatic finger, the lower extreme of clamping cylinder 281 is fixed in on the workstation 1, the clamping jaw of clamping cylinder 281 sets up, the quantity of clamping jaw 282 be two and with the clamping jaw one-to-one of clamping cylinder 281, clamping jaw 282 passes through the bolt fastening on the clamping jaw of clamping cylinder 281, clamping groove 283 has been seted up to two one sides that clamping jaw 282 is relative, clamping groove 283 heat supply galvanic couple terminal 42 inlays and establishes, with the area of contact that increases thermoelectric couple terminal 42 and clamping jaw 282, make thermoelectric couple terminal 42 centre gripping more firm.
Referring to fig. 5 and 8, the welding mechanism 2 further includes a thermocouple wire clamping assembly 29, the thermocouple wire clamping assembly 29 is disposed on the right side of the welding gun 21, the thermocouple wire clamping assembly 29 is used for clamping the thermocouple wire 41, and the thermocouple wire clamping assembly 29 includes a clamping cylinder 291 and a clamping claw 292; the clamping cylinder 291 is a pneumatic finger, the lower end of the clamping cylinder 291 is fixed on the workbench 1, the clamping jaws of the clamping cylinder 291 are arranged upwards, the number of the clamping jaws 282 is two, the two clamping jaws correspond to the clamping jaws of the clamping cylinder 291 one by one, and the clamping jaws 282 are fixed on the clamping jaws of the clamping cylinder 291 through bolts.
Referring to fig. 9, the two clamping jaws 292 are oppositely arranged, and each clamping jaw 292 comprises a connecting portion 2922 and a clasping portion 2921; the connecting portion 2922 is fixed to the clamping jaw of the pneumatic finger through a screw, two clamping portions 2921 are integrally arranged on one side, close to the connecting portion 2922 of the other clamping jaw 292, of the connecting portion 2922, the clamping portions 2921 of the two clamping jaws 292 are arranged in a staggered mode, a clamping groove 2923 is formed in one side, far away from the connecting portion 2922, of each clamping portion 2921, and the four clamping portions 2921 are matched with and clamp the thermocouple wires 41.
The implementation principle of the embodiment is as follows:
the vibrating disc 31 drives the thermocouple terminals 42 to be regularly arranged and conveyed through the feeding channel 32, initially, the two material blocking claws 331 are closed, the thermocouple terminals 42 stop at one side, close to the material blocking claws 331, of the feeding channel 32 under the blocking of the material blocking claws 331, then the clamping cylinder 341 drives the material clamping claws 342 to clamp the thermocouple terminals 42 stopped at one side, close to the material blocking claws 331, of the feeding channel 32, then the material blocking cylinder 332 drives the two material blocking claws 331 to be opened towards two sides, a piston rod of the feeding cylinder extends out to drive the clamping cylinder 341 to clamp the thermocouple ends conveyed to the thermocouple terminal clamping assembly 28, the thermocouple wires 41 are clamped on the thermocouple wire clamping assembly 29, one end of each thermocouple terminal is abutted to one end of the thermocouple terminal 42, and the lifting cylinder 22 descends to drive the welding gun 21 to weld the thermocouple terminals 42 and the thermocouple wires 41.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (9)
1. The utility model provides a gas-cooker thermocouple terminal and wire welding set, includes workstation (1) and welding mechanism (2) of locating on workstation (1), its characterized in that: the device also comprises a feeding mechanism (3);
feeding mechanism (3) including locate vibration dish (31) of workstation (1) one side, locate on workstation (1) and with vibration dish (31) be connected material loading way (32), locate workstation (1) material loading way (32) keep away from material stopping component (33) of the one end of vibration dish (31) and locate on workstation (1) and locate on material loading way (32) with press from both sides and get thermocouple terminal and carry transport assembly (34) to welding mechanism (2).
2. The welding device for the thermocouple terminal and the lead wire of the gas stove as claimed in claim 1, wherein: the material blocking assembly (33) comprises:
the two material blocking claws (331) are arranged at one end of the feeding channel (32) far away from the vibrating disk (31); and
the material blocking cylinder (332) is arranged on the workbench (1) and connected with the material blocking claws to drive the two material blocking claws (331) to be opened or closed.
3. The welding device for the thermocouple terminal and the lead wire of the gas stove as claimed in claim 1, wherein: the delivery assembly (34) comprises:
the clamping cylinder (341) is arranged right above the feeding channel (32) on the workbench (1);
the material clamping claw (342) is connected with the clamping cylinder (341) to clamp the thermocouple terminal; and
and the conveying cylinder (343) is arranged right above the feeding channel (32) on the workbench (1), and the piston rod is connected with the clamping cylinder (341) so as to drive the clamping cylinder (341) to move to the welding mechanism (2).
4. The welding device for the thermocouple terminal and the lead wire of the gas stove as claimed in claim 1, wherein: the welding mechanism (2) includes:
a welding gun (21) arranged on the workbench (1) to weld the thermocouple terminal and the thermocouple lead; and
and the lifting cylinder (22) is arranged on the workbench (1) to drive the welding gun (21) to lift.
5. The welding device for the thermocouple terminal and the lead wire of the gas stove as claimed in claim 4, wherein: be fixed with fixed block (23) on the piston rod of lift cylinder (22), be fixed with fixed disk (25) through two fixing bolt (24) on fixed block (23), one side that fixed block (23) were kept away from in fixed disk (25) is equipped with first grip block (26), one side that fixed disk (25) were kept away from in first grip block (26) is fixed with second grip block (27) of the fixed welder (21) of first grip block (26) centre gripping of cooperation through the bolt fastening.
6. The welding device for the thermocouple terminal and the lead wire of the gas stove as claimed in claim 5, wherein: the fixed disk (25) is provided with an arc-shaped hole (251) which is concentric with the fixed disk (25) and is used for the fixed bolt (24) to penetrate and slide.
7. The welding device for the thermocouple terminal and the lead wire of the gas stove as claimed in claim 5, wherein: clamping grooves (261) are formed in the first clamping plate (26) and the second clamping plate (27) on the sides close to the welding gun (21).
8. The welding device for the thermocouple terminal and the lead wire of the gas stove as claimed in claim 4, wherein: the welding mechanism (2) further comprises a thermocouple terminal clamping assembly (28) which is arranged on one side, close to the conveying assembly (34), of the welding gun (21) on the workbench (1);
the thermocouple terminal clamping assembly (28) comprises a clamping cylinder (281) arranged on one side, close to the conveying assembly (34), of the welding gun (21) on the workbench (1) and a clamping jaw (282) connected with the clamping cylinder (281) to clamp the thermocouple terminal.
9. The welding device for the thermocouple terminal and the lead wire of the gas stove as claimed in claim 4, wherein: the welding mechanism (2) further comprises a thermocouple wire clamping assembly (29) which is arranged on one side, away from the conveying assembly (34), of the welding gun (21) on the workbench (1);
the thermocouple wire clamping assembly (29) comprises a clamping cylinder (291) arranged on one side, away from the conveying assembly (34), of the welding gun (21) on the workbench (1) and a clamping claw (292) connected with the clamping cylinder (291) to clamp the thermocouple wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922263530.6U CN211804491U (en) | 2019-12-16 | 2019-12-16 | Gas-cooker thermocouple terminal and wire welding set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922263530.6U CN211804491U (en) | 2019-12-16 | 2019-12-16 | Gas-cooker thermocouple terminal and wire welding set |
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| Publication Number | Publication Date |
|---|---|
| CN211804491U true CN211804491U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922263530.6U Active CN211804491U (en) | 2019-12-16 | 2019-12-16 | Gas-cooker thermocouple terminal and wire welding set |
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| CN (1) | CN211804491U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112621040A (en) * | 2020-12-30 | 2021-04-09 | 江苏兆龙电气有限公司 | Ultra-thin thermocouple welding set for new energy automobile battery pack |
| CN113020739A (en) * | 2021-03-29 | 2021-06-25 | 揭阳市洽泰利电器有限公司 | Terminal automatic wiring welding set |
| CN115255926A (en) * | 2022-08-29 | 2022-11-01 | 宁波市万宝电器有限公司 | Copper pipe thermocouple kludge |
-
2019
- 2019-12-16 CN CN201922263530.6U patent/CN211804491U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112621040A (en) * | 2020-12-30 | 2021-04-09 | 江苏兆龙电气有限公司 | Ultra-thin thermocouple welding set for new energy automobile battery pack |
| CN113020739A (en) * | 2021-03-29 | 2021-06-25 | 揭阳市洽泰利电器有限公司 | Terminal automatic wiring welding set |
| CN115255926A (en) * | 2022-08-29 | 2022-11-01 | 宁波市万宝电器有限公司 | Copper pipe thermocouple kludge |
| CN115255926B (en) * | 2022-08-29 | 2024-03-08 | 宁波市万宝电器有限公司 | Copper pipe thermocouple kludge |
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