CN217096245U - Battery bottom welding device - Google Patents
Battery bottom welding device Download PDFInfo
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- CN217096245U CN217096245U CN202122409972.4U CN202122409972U CN217096245U CN 217096245 U CN217096245 U CN 217096245U CN 202122409972 U CN202122409972 U CN 202122409972U CN 217096245 U CN217096245 U CN 217096245U
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Abstract
The utility model discloses a battery bottom welding device, which comprises a frame, a welding pin assembly and a positioning assembly; the welding pin assembly and the positioning assembly are arranged on the rack; the welding pin assembly comprises a welding pin base, a movable part and a first driving device for driving the movable part to move in the vertical direction; the welding needle seat comprises a fixing part for fixing the welding needle and a first adjusting part for connecting the movable part; the positioning assembly is located below the welding pin assembly and comprises a positioning plate, a positioning groove used for containing the battery and a second driving device driving the positioning plate to move in the vertical direction, and a positioning hole matched with the positioning groove is formed in the positioning plate. By arranging the welding pin assembly and the positioning assembly, the movable part can quickly drive the welding pin to pass through the positioning hole and be accurately pressed in the positioning groove, so that the yield and the processing efficiency of the welded bottom of the battery are improved; through setting up first regulation portion and positioning groove, effectively avoid the position of welding needle and battery to take place the deviation, influence the yields of battery production.
Description
Technical Field
The utility model belongs to the technical field of battery production facility technique and specifically relates to a battery welds end device.
Background
In the manufacturing process of the cylindrical lithium ion battery, the welding of the cathode tab and the bottom of the shell is a key process, and the process is easy to have the defects of unstable welding or over-welding, poor welding stability and low percent of pass. Particularly, the lithium battery adopting the pure copper tab has the advantage that the copper tab is more difficult to be welded firmly due to the particularity of the material. Therefore, on the production line, how to accurately control the welding pin to press the negative pole lug and the shell on the welding seat for bottom welding operation becomes a difficult problem which is solved for the first time for improving the production efficiency of the battery.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a device at bottom is welded to battery for make the welding needle can be fast, accurately with negative pole utmost point ear and casing pressfitting to welding the seat, improve the yields and the production efficiency at bottom is welded to the battery.
The utility model provides a technical scheme that its problem adopted is:
a battery bottom welding device comprises a frame, a welding pin assembly and a positioning assembly; the welding pin assembly and the positioning assembly are arranged on the rack; the welding pin assembly comprises a welding pin seat, a movable part and a first driving device for driving the movable part to move in the vertical direction; the welding pin seat comprises a fixing part for fixing the welding pin and a first adjusting part for connecting the movable part; the positioning assembly is located below the welding pin assembly and comprises a positioning plate, a positioning groove used for containing a battery and a second driving device driving the positioning plate to move in the vertical direction, and a positioning hole matched with the positioning groove is formed in the positioning plate.
The battery bottom welding device at least has the following beneficial effects: by arranging the welding pin assembly and the positioning assembly, the movable part can quickly drive the welding pin to pass through the positioning hole and be accurately pressed in the positioning groove, so that the yield and the processing efficiency of the welded bottom of the battery are improved; through setting up first regulation portion and positioning groove, be convenient for carry out accurate adjustment to the position of welding needle and battery, avoid the position of welding needle and battery to take place the deviation, influence the yields of battery production.
Further, the welding seat matched with the welding needle is further arranged below the positioning groove and connected with the rack through a second adjusting portion. Through setting up welding seat and second regulating part, be convenient for adjust the position of welding the needle and welding the seat contact, reduce the loss of welding the seat, improve the life of battery end welding device.
Further, a pushing part is arranged on the side surface of the positioning groove; the pushing part is connected with a third driving device. Through setting up propelling movement portion, the battery of being convenient for can follow the assembly line fast and shift to positioning groove in, improve the running efficiency of battery end welding device.
Further, a proximity switch opposite to the positioning groove is further arranged above the pushing portion, and the proximity switch is electrically connected with the third driving device. Through setting up proximity switch, be convenient for remove the battery that targets in place and can trigger proximity switch fast, and then control third drive arrangement drive propelling movement portion accurately shifts the positioning groove to the battery in, improve the yields and the machining efficiency that the battery welded the end.
Further, the first adjusting part and the second adjusting part are both composed of a plurality of connected bakelite blocks. The bakelite has the advantages of good insulating property and strong stability, the first adjusting part and the second adjusting part are composed of a plurality of bakelite blocks, and the insulating property and the position adjustment flexibility of the welding needle seat and the welding seat are ensured.
Further, a first guide rail is arranged at the upper end of the rack; the movable part is inserted into the first guide rail and is movably connected with the rack. Through setting up first guide rail, ensure that the movable part can follow first guide rail reciprocating motion, guaranteed the accurate nature of control to the position of welding needle file, improve the yields of battery welding end.
Furthermore, the lower end of the movable part is provided with an adjusting bolt; the upper end of the first adjusting part is provided with a clamping groove matched with the adjusting bolt. Through setting up adjusting bolt and draw-in groove, be convenient for carry out accurate, slight adjustment to the position of welding needle file to adapt to the battery of different model specifications and weld the seat, improve the convenience of use that the battery welded the end.
Furthermore, a positioning block is further arranged in the positioning hole, and a through hole which is right opposite to the position of the welding needle is formed in the positioning block. Through setting up the locating piece, the home range of the accurate control welding needle of being convenient for avoids the welding needle to take place to rock in the motion process and influences the accurate nature of location of battery end welding device.
Further, the cross-sectional area of the positioning block is gradually reduced along the direction close to the positioning groove. The structure ensures the control precision of the positioning block on the position of the welding needle, avoids the unstable welding spot caused by the displacement of the welding needle, and improves the yield of the battery welded bottom.
Furthermore, a limiting rod matched with the movable part is also arranged on the rack; the lower end of the limiting rod is provided with a buffer block. Through setting up the gag lever post, the home range of effective control movable part avoids the too big control accuracy that influences the welding needle of the range of motion of movable part.
The battery bottom welding device has the beneficial effects that: by arranging the welding pin assembly and the positioning assembly, the movable part can quickly drive the welding pin to pass through the positioning hole and be accurately pressed in the positioning groove, so that the yield and the processing efficiency of the welded bottom of the battery are improved; by arranging the first adjusting part and the positioning groove, the positions of the welding pins and the battery can be accurately adjusted, and the deviation of the positions of the welding pins and the battery is avoided, so that the yield of the battery production is prevented from being influenced; by arranging the welding seat and the second adjusting part, the contact position of the welding pin and the welding seat can be conveniently adjusted, the loss of the welding seat is reduced, and the service life of the battery bottom welding device is prolonged; over setting up propelling movement portion, the battery of being convenient for can be fast from the assembly line transfer to positioning groove in, improve the running efficiency of battery end welding device.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a structural diagram of a battery bottom welding device according to an embodiment of the present invention;
fig. 2 is an exploded view of a battery bottom welding device according to an embodiment of the present invention;
fig. 3 is a side view of a battery bottom welding device according to an embodiment of the present invention;
fig. 4 is an enlarged view of the positioning plate of fig. 2.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
Referring to fig. 1 to 3, an embodiment of the present invention provides a battery bottom welding device, which includes a frame 100, a welding pin assembly 200, and a positioning assembly 300; the welding pin assembly 200 and the positioning assembly 300 are both arranged on the rack 100; the welding pin assembly 200 includes a welding pin holder 210, a movable portion 220, and a first driving device 230 for driving the movable portion 220 to move in a vertical direction; the welding pin holder 210 includes a fixing portion 212 for fixing the welding pin 211 and a first regulating portion 213 for connecting the movable portion 220; the positioning assembly 300 is located below the soldering pin assembly 200, the positioning assembly 300 includes a positioning plate 310, a positioning groove 320 for accommodating the battery, and a second driving device 330 for driving the positioning plate 310 to move in the vertical direction, and the positioning plate 310 is provided with a positioning hole 311 engaged with the positioning groove 320.
By arranging the welding pin assembly 200 and the positioning assembly 300, the movable part 220 can quickly drive the welding pin 211 to pass through the positioning hole 311 and be accurately pressed into the positioning groove 320, so that the yield and the processing efficiency of battery bottom welding are improved; through setting up first regulation portion 213 and positioning groove 320, be convenient for carry out accurate adjustment to the position of welding needle 211 and battery, avoid the position of welding needle 211 and battery to take place the deviation, influence the yields of battery production.
In another embodiment, a welding seat 110 engaged with the welding pin 211 is further disposed below the positioning groove 320, and the welding seat 110 is connected to the frame 100 through the second adjusting portion 120. Through setting up welding seat 110 and second regulating part 120, be convenient for adjust the position that welds needle 211 and welding seat 110 contact, reduce the loss of welding seat 110, improve the life of battery bottom welding device.
In another embodiment, the pushing part 130 is arranged on the side surface of the positioning groove 320; the third driving device 140 is connected to the pushing unit 130. Through setting up propelling movement portion 130, the battery of being convenient for can shift to positioning groove 320 from the assembly line fast in, improves the operating efficiency of battery end welding device.
In another embodiment, a proximity switch 150 is disposed above the pushing portion 130 and opposite to the positioning groove 320, and the proximity switch 150 is electrically connected to the third driving device 140. Through setting up proximity switch 150, be convenient for remove the battery that targets in place and can trigger proximity switch 150 fast, and then control third drive arrangement 140 drive propelling movement portion 130 accurately transfer the battery to positioning groove 320 in, improve the yields and the machining efficiency at the bottom of the battery welding.
In another embodiment, the first and second adjusting parts 213 and 120 are each composed of a plurality of coupled bakelite blocks 121. The bakelite has the advantages of good insulating property and strong stability, and the first adjusting part 213 and the second adjusting part 120 are composed of a plurality of bakelite blocks 121, so that the insulating property and the flexibility of position adjustment of the welding pin holder 210 and the welding holder 110 are ensured.
In another embodiment, the upper end of the frame 100 is provided with a first guide rail 160; the movable portion 220 is inserted into the first guide rail 160 and movably connected to the frame 100. Through setting up first guide rail 160, ensure that movable part 220 can follow first guide rail 160 reciprocating motion, guaranteed the control accuracy nature of welding needle file 210's position, improve the yields of battery welding end.
In another embodiment, the lower end of the movable portion 220 is provided with an adjusting bolt 222; the upper end of the first adjusting portion 213 is provided with a locking groove 221 engaged with the adjusting bolt 222. Through setting up adjusting bolt 222 and draw-in groove 221, be convenient for carry out accurate, slight adjustment to the position of welding needle file 210 to adapt to the battery of different model specifications and weld seat 110, improve the convenience of use that the battery welded the end.
Referring to fig. 2 and 4, in another embodiment, a positioning block 312 is further disposed in the positioning hole 311, and a through hole 313 opposite to the position of the bonding pin 211 is disposed on the positioning block 312. Through setting up locating piece 312, the home range of accurate control welding needle 211 of being convenient for avoids welding needle 211 to take place to rock in the motion process and influences the accurate nature of location of battery end welding device.
In another embodiment, the cross-sectional area of the positioning block 312 gradually decreases in a direction approaching the positioning groove 320. The structure ensures the control precision of the positioning block 312 on the position of the welding needle 211, avoids the unstable welding point caused by the displacement of the welding needle 211, and improves the yield of the welded bottom of the battery.
In another embodiment, the frame 100 is further provided with a limit rod 170 engaged with the movable portion 220; the lower end of the stopper rod 170 is provided with a buffer block 171. Through setting up gag lever post 170, the home range of active portion 220 of effective control avoids the too big control accuracy that influences welding needle 211 of the range of motion of active portion 220.
The working principle of the present invention will be further explained below.
In the assembly process, the positions of the first and second regulating parts 213 and 120 and the positioning plate 310 are first adjusted according to the specifications of the battery and the welding pins 211; the relative position between the first adjusting portion 213 and the movable portion 220, i.e. the relative position between the soldering pin holder 210 and the positioning plate 310, is adjusted by the adjusting bolt 222, so that the soldering pin holder 210 can drive the soldering pin 211 to pass through the positioning hole 311 and the positioning groove 320 and then be pressed onto the soldering pin holder 110. During the manufacturing process, the frame 100 is fixed on the battery production line such that the positioning groove 320 is opposite to the battery position. When the battery is conveyed to the positioning groove 320 and the proximity switch 150 is triggered, the third driving device 140 drives the pushing part 130 to move the battery into the positioning groove 320; the first driving device 230 and the second driving device 330 respectively drive the soldering pin base 210 and the positioning plate 310 to move downwards, and under the precise control of the fixing portion 212 and the positioning block 312, the soldering pin 211 can quickly and accurately press the battery bottom case and the tab on the soldering pin base 110, thereby completing the bottom soldering operation. Then the first driving device 230 and the second driving device 330 operate in reverse directions to drive the soldering pin holder 210 and the positioning plate 310 to return to the initial positions, the limiting rod 170 and the buffer block 171 can stably fit the movable portion 220, the situation that the soldering pin holder 210 moves excessively is avoided, and the pushing portion 130 continues to convey the next battery to be soldered into the positioning groove 320. The whole battery bottom welding process is efficient and controllable, the welding needle 211 can accurately complete the pressing and welding operations, and the yield and the production efficiency of battery processing are guaranteed.
As can be seen from the above description, the battery bottom-welding device of the present invention, by providing the welding pin assembly 200 and the positioning assembly 300, the movable portion 220 can rapidly drive the welding pin 211 to pass through the positioning hole 311 and be precisely pressed into the positioning groove 320, so as to improve the yield and the processing efficiency of battery bottom-welding; by arranging the first adjusting part 213 and the positioning groove 320, the positions of the welding pins 211 and the battery can be accurately adjusted, and the deviation of the positions of the welding pins 211 and the battery, which affects the yield of battery production, can be avoided; by arranging the welding seat 110 and the second adjusting part 120, the contact position of the welding pin 211 and the welding seat 110 can be conveniently adjusted, the loss of the welding seat 110 is reduced, and the service life of the battery bottom welding device is prolonged; through the arrangement of the pushing part 130, the batteries can be conveniently and quickly transferred to the positioning groove 320 from the assembly line, and the operation efficiency of the battery bottom welding device is improved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge range of those skilled in the art.
Claims (10)
1. A battery bottom welding device is characterized in that: comprises a frame, a welding pin assembly and a positioning assembly; the welding pin assembly and the positioning assembly are arranged on the rack; the welding pin assembly comprises a welding pin seat, a movable part and a first driving device for driving the movable part to move in the vertical direction; the welding pin seat comprises a fixing part for fixing the welding pin and a first adjusting part for connecting the movable part; the positioning assembly is located below the welding pin assembly and comprises a positioning plate, a positioning groove used for containing a battery and a second driving device driving the positioning plate to move in the vertical direction, and a positioning hole matched with the positioning groove is formed in the positioning plate.
2. The battery bottom welding device according to claim 1, wherein a welding seat matched with the welding pin is further arranged below the positioning groove, and the welding seat is connected with the rack through a second adjusting part.
3. The battery bottom welding device according to claim 2, wherein a pushing part is arranged on the side surface of the positioning groove; the pushing part is connected with a third driving device.
4. The battery bottom welding device according to claim 3, wherein a proximity switch is disposed above the pushing portion and opposite to the positioning groove, and the proximity switch is electrically connected to the third driving device.
5. The battery bottom welding device according to claim 2, wherein the first adjusting part and the second adjusting part are both composed of a plurality of connected bakelite blocks.
6. The battery bottom welding device according to claim 1, wherein a first guide rail is arranged at the upper end of the frame; the movable part is inserted into the first guide rail and is movably connected with the rack.
7. The battery bottom welding device according to claim 6, wherein the lower end of the movable part is provided with an adjusting bolt; the upper end of the first adjusting part is provided with a clamping groove matched with the adjusting bolt.
8. The battery bottom welding device according to claim 1, wherein a positioning block is further arranged in the positioning hole, and a through hole opposite to the welding pin is formed in the positioning block.
9. The battery bottom welding device according to claim 8, wherein the cross-sectional area of the positioning block is gradually reduced in a direction approaching the positioning groove.
10. The battery bottom welding device according to claim 1, wherein a limiting rod matched with the movable part is further arranged on the frame; the lower end of the limiting rod is provided with a buffer block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122409972.4U CN217096245U (en) | 2021-09-30 | 2021-09-30 | Battery bottom welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122409972.4U CN217096245U (en) | 2021-09-30 | 2021-09-30 | Battery bottom welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217096245U true CN217096245U (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122409972.4U Active CN217096245U (en) | 2021-09-30 | 2021-09-30 | Battery bottom welding device |
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| CN (1) | CN217096245U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115548414A (en) * | 2022-11-23 | 2022-12-30 | 深圳市中基自动化股份有限公司 | Full-lug large-cylinder battery welding positioning device and vertical welding equipment |
| CN117001128A (en) * | 2023-07-27 | 2023-11-07 | 宇恒电池股份有限公司 | Quick welding mechanism for battery lugs |
-
2021
- 2021-09-30 CN CN202122409972.4U patent/CN217096245U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115548414A (en) * | 2022-11-23 | 2022-12-30 | 深圳市中基自动化股份有限公司 | Full-lug large-cylinder battery welding positioning device and vertical welding equipment |
| CN115548414B (en) * | 2022-11-23 | 2023-03-10 | 深圳市中基自动化股份有限公司 | Full-lug large-cylinder battery welding positioning device and vertical welding equipment |
| CN117001128A (en) * | 2023-07-27 | 2023-11-07 | 宇恒电池股份有限公司 | Quick welding mechanism for battery lugs |
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