CN212094800U - Convex point flat needle device for resistance welding - Google Patents
Convex point flat needle device for resistance welding Download PDFInfo
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- CN212094800U CN212094800U CN202020299735.XU CN202020299735U CN212094800U CN 212094800 U CN212094800 U CN 212094800U CN 202020299735 U CN202020299735 U CN 202020299735U CN 212094800 U CN212094800 U CN 212094800U
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- spot welding
- welding head
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- welding mechanism
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Abstract
The utility model discloses a flat needle device of resistance welding bump, set up in two welding mechanism of device board terminal surface including device board and symmetry, two that the symmetry set up welding mechanism includes spot welding head X axle and spot welding head Y axle respectively, and spot welding head Y epaxial end is connected with spot welding mechanism, and spot welding mechanism front end is equipped with spot welding head. The utility model has the advantages that: the problem of low production efficiency can be effectively solved, the equipment investment is reduced, and the productivity output is ensured; meanwhile, the grinding requirement of the electrode bar in the spot welding process is reduced, the operation mode and the method of operators are simplified, the quality of products is ensured, and the satisfaction degree of customers is improved.
Description
Technical Field
The utility model relates to a resistance welds technical field, specifically is a resistance welds bump plain needle device.
Background
In the prior art, cylindrical lithium ion batteries adopt resistance welding as the most widely and safely welding mode in the industry at present due to the particularity of the internal structure, and the working principle of resistance welding is to combine workpieces, apply pressure through electrodes and weld by using resistance heat generated by current passing through the contact surface of a joint and the adjacent area. Resistance welding uses the effect of electrical resistance heating produced by current flowing through the contact surfaces and adjacent areas of the workpieces to heat them to a molten or plastic state to form a metallic bond.
The selection of the welding mode in the industry at present mainly takes the shunt slot plane welding as a main part, aiming at the high requirement and high yield in the production of the prior art, two-point welding is gradually replaced by four-point welding, at the moment, the two-needle plane welding of the shunt slot is still adopted, the production efficiency is reduced by fifty percent compared with the prior art, the four-needle simultaneous welding stability cannot be ensured, and the size of a spot welding space is limited.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a resistance welds bump plain needle device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a resistance welds bump plain needle device, includes that device board and symmetry set up in two welding mechanism of device board terminal surface, two that the symmetry set up welding mechanism includes spot welding head X axle and spot welding head Y axle respectively, spot welding head Y epaxial end is connected with spot welding mechanism, spot welding mechanism front end is equipped with spot welding head.
Preferably, one side of an X shaft of the spot welding head is connected with a transmission chain, and the lower end of the transmission chain is connected with a transmission limiting strip fixed on a machine table of the device.
Preferably, a linear sliding rail is arranged on the other side, away from the transmission chain, of the X axis of the spot welding head.
Preferably, the upper end of the X shaft of the spot welding head is provided with a Y shaft fixing plate fixedly connected with the linear sliding rail and the transmission chain, and the Y shaft fixing plate is provided with a linear sliding rail connected with the Y shaft of the spot welding head.
Preferably, the spot welding head is arranged at the front end of the spot welding mechanism, the spot welding head is of a clamping jaw structure, and two electrode bars are arranged in the clamping jaw structure respectively.
Advantageous effects
The electric resistance welding bump flat needle device provided by the utility model can effectively solve the problem of low production efficiency, reduce equipment investment and ensure productivity output; meanwhile, the grinding requirement of the electrode bar in the spot welding process is reduced, the operation mode and the method of operators are simplified, the quality of products is ensured, and the satisfaction degree of customers is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic top view of the present invention;
fig. 3 is a schematic side view of the present invention;
fig. 4 is a schematic front view of the present invention.
Reference numerals
1-spot welding head X axis, 2-spot welding head Y axis, 3-electric welding mechanism and 4-spot welding head.
Detailed Description
The following are specific embodiments of the present invention, and the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.
Examples
As shown in fig. 1-4, the electric resistance welding salient point flat needle device comprises a device machine table and two welding mechanisms symmetrically arranged on the end surface of the device machine table, wherein the two welding mechanisms symmetrically arranged respectively comprise a spot welding head X shaft 1 and a spot welding head Y shaft 2, the upper end of the spot welding head Y shaft 2 is connected with a spot welding mechanism 3, and a spot welding head 4 is arranged at the front end of the spot welding mechanism 3.
Preferably, one side of the X shaft 1 of the spot welding head is connected with a transmission chain, and the lower end of the transmission chain is connected with a transmission limiting strip fixed on a machine table of the device.
Preferably, a linear slide rail is arranged on the other side of the spot welding head X shaft 1 away from the transmission chain.
Preferably, the upper end of the spot welding head X shaft 1 is provided with a Y shaft fixing plate fixedly connected with the linear sliding rail and the transmission chain, and the Y shaft fixing plate is provided with the linear sliding rail connected with the spot welding head Y shaft 2.
Preferably, the spot welding head 4 is arranged at the front end of the spot welding mechanism 3, the spot welding head 4 is of a clamping jaw structure, and two electrode bars are respectively arranged in the clamping jaw structure.
The resistance welding salient point flat needle device provided by the utility model mainly realizes that four-point spot welding is completed by one-time spot welding on the premise of ensuring the spot welding effect, the service life of a newly ground electrode bar is prolonged, the production efficiency is improved, design of a spot welding connecting piece is changed into an I-shaped splitter groove and a convex point from the previous linear splitter groove and plane Design, the grinding requirement before improvement of a spot welding needle is phi 3-2.7, the front end grinding R angle range is R6-R9, the mode has strict requirements on grinding method, process, clamp loss and the like, the grinding clamp needs to be subjected to size measurement spot detection regularly, the electrode bar after improvement is changed into phi 6-5 x 2.5, the front end grinding R angle is flat, the spot welding condition is verified through strict DOE, the appearance, the tension value and CPK data of spot welding are monitored, and the engineering management value is increased from 49.9N to 58.8N.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the content of the present invention within the protection scope of the present invention.
Claims (3)
1. The utility model provides a resistance welds bump plain needle device, includes that device board and symmetry set up in two welding mechanism of device board terminal surface, its characterized in that: two that the symmetry set up welding mechanism includes spot welding head X axle (1) and spot welding head Y axle (2) respectively, spot welding head Y axle (2) upper end is connected with spot welding mechanism (3), spot welding mechanism (3) front end is equipped with spot welding head (4), spot welding head X axle (1) one side is connected with drive chain, the drive chain lower extreme with fix drive spacing strip on the device board is connected, keep away from spot welding head X axle (1) drive chain's opposite side is equipped with linear slide.
2. A resistance welding bump flat pin device according to claim 1, wherein: the spot welding device is characterized in that a Y-axis fixing plate fixedly connected with the linear sliding rail and the transmission chain is arranged at the upper end of the spot welding head X-axis (1), and the linear sliding rail connected with the spot welding head Y-axis (2) is arranged on the Y-axis fixing plate.
3. A resistance welding bump flat pin device according to claim 1, wherein: the spot welding mechanism is characterized in that the spot welding head (4) is arranged at the front end of the spot welding mechanism (3), the spot welding head (4) is of a clamping jaw structure, and two electrode bars are arranged in the clamping jaw structure respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020299735.XU CN212094800U (en) | 2020-03-12 | 2020-03-12 | Convex point flat needle device for resistance welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020299735.XU CN212094800U (en) | 2020-03-12 | 2020-03-12 | Convex point flat needle device for resistance welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212094800U true CN212094800U (en) | 2020-12-08 |
Family
ID=73634609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020299735.XU Active CN212094800U (en) | 2020-03-12 | 2020-03-12 | Convex point flat needle device for resistance welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212094800U (en) |
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2020
- 2020-03-12 CN CN202020299735.XU patent/CN212094800U/en active Active
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