CN219284859U - Welding strength testing device for battery core and busbar disc - Google Patents
Welding strength testing device for battery core and busbar disc Download PDFInfo
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- CN219284859U CN219284859U CN202223270468.1U CN202223270468U CN219284859U CN 219284859 U CN219284859 U CN 219284859U CN 202223270468 U CN202223270468 U CN 202223270468U CN 219284859 U CN219284859 U CN 219284859U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a welding strength testing device for a battery cell and a bus plate, which comprises a frame, a fixing seat, a compression assembly and a testing assembly, wherein a fixing position for fixing the battery cell is arranged on the fixing seat; the compression assembly comprises a first driving piece, a sliding seat and a compression block, wherein the first driving piece drives the sliding seat to move along the Z-axis direction, and the compression block is connected with the sliding seat and is used for propping the battery cell against a fixed position; the test assembly comprises a tension detector, a sucker, a first moving seat, a second moving seat and a second driving piece, wherein the second driving piece is arranged on the frame and used for driving the first moving seat to move along an X axis, the sucker is arranged on one side surface of the second moving seat, which is close to the battery cell, and is used for adsorbing the confluence disc, the tension detector is connected with the first moving seat and the second moving seat, and a display area for displaying tension intensity is arranged on the tension detector. Through setting up the pulling force detector, when making first movable seat drive the second movable seat and remove, directly read pulling force data through the display area on the pulling force detector, improve work efficiency.
Description
Technical Field
The utility model relates to the technical field of battery production, in particular to a welding strength testing device for a battery cell and a bus plate.
Background
Currently, a cylindrical battery which is processed by a winding type manufacturing process is widely applied to a lithium ion battery, wherein a positive electrode current collector is formed at the positive electrode end of a corresponding battery core of the cylindrical battery, and a negative electrode current collector is formed at the negative electrode end. In order to stably guide the current of the positive and negative ends of the battery cell out of the battery cell, a bus plate is welded on the end surfaces of the positive current collector and the negative current collector. In order to improve the service life of the battery, the welding stability of the busbar disc is required to be tested so as to distinguish defective products, and the subsequent further processing of the battery core is facilitated.
The prior art has the following problems: traditional tension detection device need rely on the manual work to read data and record, and this kind of mode produces the reading error easily, and degree of automation is not high, has increased the human cost, and work efficiency is low.
Disclosure of Invention
The utility model aims at: the utility model provides a battery core and collection flow disc welding strength testing arrangement detects collection flow disc welded firm degree through the tensile force detector, can direct reading data and record, improves work efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a electricity core and collection flow disc welding strength testing arrangement, include:
a frame;
the fixing seat is provided with a fixing position for fixing the battery cell;
the pressing assembly comprises a first driving piece, a sliding seat and a pressing block, wherein the first driving piece is arranged on the rack, the first driving piece is connected with the sliding seat so as to drive the sliding seat to move along the Z-axis direction, and the pressing block is connected with the sliding seat and used for propping the battery cell against the fixed position;
the test assembly comprises a tension detector, a sucker, a first moving seat, a second moving seat and a second driving piece, wherein the second driving piece is arranged on the frame and connected with the first moving seat so as to drive the first moving seat to move along an X axis, the sucker is arranged on the second moving seat and close to one side surface of the battery cell, the sucker is used for adsorbing the bus disc, the tension detector is connected with the first moving seat and the second moving seat, and a display area for displaying tension intensity is arranged on the tension detector.
As a preferred scheme of the welding strength testing device for the battery cells and the bus plate, the rack comprises a first rack and a second rack, the first rack is spaced from the second rack, the pressing assembly is arranged on the first rack in a sliding manner, the testing assembly is arranged on the second rack, and the first movable seat and the second movable seat are arranged on the second rack in a sliding manner along the X-axis direction.
As a preferred scheme of the welding strength testing device for the battery cell and the bus plate, a first mounting plate is arranged on the second frame in a sliding manner, the first movable seat and the second movable seat are arranged on the first mounting plate in a sliding manner along the X-axis direction, and an elastic piece is arranged between one side surface, away from the battery cell, of the first mounting plate and the second frame.
As a preferred scheme of the welding strength testing device for the battery cell and the bus plate, a first protruding part is arranged on the second rack in a protruding mode, the first protruding part is separated from the first mounting plate, one end of the elastic piece is connected with the first mounting plate, and the other end of the elastic piece is connected with the first protruding part.
As a preferable scheme of the welding strength testing device for the battery cell and the bus plate, a first abutting surface close to the side surface of the battery cell is arranged on the pressing block, and the first abutting surface abuts against the side surface of the battery cell.
As a preferable scheme of the welding strength testing device for the battery cell and the bus plate, the section of the battery cell is circular, and the first abutting surface is an arc surface.
As a preferred scheme of electricity core and collection flow disc welding strength testing arrangement, the fixing base is upward sunken to be provided with the mounting groove, form in the mounting groove the fixed position, the notch of mounting groove up, just the mounting groove is followed the orientation a side of test assembly runs through the fixing base, electricity core is installed in the mounting groove.
As a preferable scheme of the welding strength testing device for the battery cell and the bus plate, the fixing seat moves along the Y-axis direction.
As a preferred scheme of electricity core and collection flow disc welding strength testing arrangement, be provided with a plurality of mounting grooves along Y axle direction interval on the fixing base, form in the mounting groove fixed position, the notch of mounting groove up, just the mounting groove is along the orientation a side of test assembly runs through the fixing base, electricity core is installed in the mounting groove.
As a preferable scheme of the welding strength testing device for the battery cell and the bus plate, a plurality of compression blocks corresponding to the mounting grooves are arranged on the sliding seat along the Y-axis direction, and a plurality of testing components are also arranged on the second rack along the Y-axis direction.
The beneficial effects of the utility model are as follows: the welding strength testing device for the battery cell and the bus plate is provided, the welding strength between the battery cell and the bus plate is tested, and the battery cell can be abutted against a fixed position by the compression block through arranging the fixed seat and the compression assembly; through setting up test assembly, make the sucking disc on the second remove the seat adsorb the dish that converges, make first removal seat drive the second through the tensile force detector and remove the seat along X axis direction, test the welding strength between electric core and the dish that converges to can directly read tensile force data through the display area on the tensile force detector, improve work efficiency, reduce the human cost.
Drawings
The utility model is described in further detail below with reference to the drawings and examples.
Fig. 1 is a perspective view of a first view of a device for testing welding strength between a battery cell and a busbar according to an embodiment of the utility model.
Fig. 2 is an enlarged view at a of fig. 1.
Fig. 3 is a schematic perspective view illustrating a second view of a device for testing welding strength between a battery cell and a busbar according to an embodiment of the utility model.
Fig. 4 is an enlarged view at B of fig. 3.
Fig. 5 is a schematic perspective view of a first perspective view of a test assembly and an elastic member (showing a first mounting plate and a portion of a second mounting plate) according to an embodiment of the present utility model.
FIG. 6 is a schematic perspective view of a second perspective view of the test assembly and spring of an embodiment of the present utility model (showing the first mounting plate and a portion of the second mounting plate).
In fig. 1 to 6:
1. a fixing seat; 101. fixing the position; 2. a compression assembly; 201. a first driving member; 202. a slide; 2021. a second slide rail; 203. a compaction block; 3. a testing component; 301. a tension detector; 302. a first movable seat; 3021. a first base plate; 3022. an intermediate plate; 3023. a first upper plate; 30231. a groove; 303. a second movable seat; 3031. a second base plate; 3032. a second upper plate; 304. a second driving member; 4. a first frame; 401. a first slide rail; 5. a second frame; 501. a fifth slide rail; 6. a first mounting plate; 601. a third slide rail; 7. an elastic member; 8. a first convex portion; 9. a third driving member; 10. a transmission belt; 11. a screw rod; 12. a first piston rod; 13. a cylinder; 14. a second piston rod; 15. a second convex portion; 16. a third convex portion; 17. a second mounting plate; 1701. a fourth slide rail;
200. and a battery cell.
Detailed Description
Advantages and features of the present utility model and methods of accomplishing the same may become apparent with reference to the following detailed description of embodiments taken in conjunction with the accompanying drawings. However, the present utility model is not limited to the embodiments disclosed below, but may be embodied in various different forms, which are provided only for the purpose of completing the disclosure of the present utility model and fully understanding the scope of the present utility model by those skilled in the art, and the present utility model is limited only by the scope of the claims. Like reference numerals denote like constituent elements throughout the specification.
Hereinafter, the present utility model will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides a welding strength testing device for a battery cell and a bus plate, which is used for testing the welding strength between the battery cell 200 and the bus plate, and comprises a frame, a fixing seat 1, a compression assembly 2 and a testing assembly 3, wherein a fixing position 101 for fixing the battery cell 200 is arranged on the fixing seat 1, and the battery cell 200 is arranged on the fixing seat 1 along the axial direction of the fixing seat, so that the magnitude of a testing tensile force of the bus plate welded at the end part of the battery cell 200 is convenient. The compression assembly 2 comprises a first driving piece 201, a sliding seat 202 and a compression block 203, wherein the first driving piece 201 is arranged on a rack, the first driving piece 201 is connected with the sliding seat 202 to drive the sliding seat 202 to move along the Z-axis direction, the compression block 203 is connected with the sliding seat 202, the sliding seat 202 drives the compression block 203 to move along the Z-axis direction and gradually approaches to the battery cell 200, the battery cell 200 is tightly abutted to the fixing position 101, the compression block 203 and the fixing seat 1 fix the battery cell 200, the battery cell 200 is prevented from moving in the welding strength testing process of the battery cell 200 and the bus plate, the accuracy of welding strength data between the battery cell 200 and the bus plate is improved, and the working efficiency is improved. The test assembly 3 comprises a tension detector 301, a sucker, a first movable seat 302, a second movable seat 303 and a second driving piece 304, wherein the second driving piece 304 is arranged on the rack, the second driving piece 304 is connected with the first movable seat 302 to drive the first movable seat 302 to move along the X-axis direction, the sucker is arranged on one side surface of the second movable seat 303, which is close to the battery cell 200, and is used for adsorbing the bus plate, the tension detector 301 is connected with the first movable seat 302 and the second movable seat 303, so that the first movable seat 302 can drive the second movable seat 303 to move while moving along the X-axis direction, the welding strength between the test battery cell 200 and the bus plate is realized through the tension detector 301, and a display area for displaying the tension strength is arranged on the tension detector 301, so that the display area can directly read tension data, the working efficiency is improved, and the labor cost is reduced.
Specifically, the frame comprises a first frame 4 and a second frame 5, the first frame 4 and the second frame 5 are spaced, the pressing assembly 2 is slidably arranged on the first frame 4, the sliding seat 202 can be slidably arranged on the first frame 4 along the Z-axis direction, and the pressing block 203 moves along the direction approaching to the battery cell 200; the test assembly 3 is arranged on the second frame 5, so that the first movable seat 302 and the second movable seat 303 are slidably arranged on the second frame 5 along the X-axis direction, and the first movable seat 302 is conveniently driven to move by the second movable seat 303 under the action of the second driving piece 304, so that the welding strength between the battery cell 200 and the bus plate is measured.
As shown in fig. 1 and 2, in the present embodiment, the first rack 4 is provided with a first sliding rail 401, so that the sliding base 202 can move along the Z-axis direction on the first sliding rail 401 under the action of the first driving member 201, and the first driving member 201 may be configured as a motor. In the process of testing the welding strength of the battery cell 200 and the bus plate, the pressing block 203 is gradually close to the battery cell 200, and the battery cell 200 is pressed on the fixing seat 1. The slide 202 is further provided with a second slide 2021 for moving the pressing block 203, so that the pressing block 203 moves on the second slide 2021 along the Z-axis direction. The second convex part 15 is arranged on the sliding seat 202 in a protruding mode, the second convex part 15 is spaced from the compression block 203, the second convex part 15 is arranged at the upper end of the compression block 203 along the Z-axis direction, the air cylinder 13 is fixed on the second convex part 15, and the second piston rod 14 on the air cylinder 13 is connected with the compression block 203. In the process of pressing the battery cell 200 by the pressing block 203, the air cylinder 13 is always in an extended state, and the second piston rod 14 is always positioned outside the air cylinder 13, so that the pressing block 203 can be abutted with the battery cell 200 faster in the process of gradually approaching the battery cell 200, and the battery cell 200 is pressed on the fixing seat 1. When the first driving piece 201 drives the sliding seat 202 to move on the second frame 5 along the Z-axis direction, the pressing block 203 is gradually close to the battery cell 200 and presses the battery cell 200 on the fixed seat 1, when the pressing block 203 presses the battery cell 200, the air cylinder 13 contracts to enable the second piston rod 14 to contract into the air cylinder 13, and in the contracting process of the air cylinder 13, the second piston rod 14 drives the pressing block 203 to move along the direction away from the battery cell 200, so that the battery cell 200 damage caused by the overlarge pressure of the pressing block 203 in the process of pressing the battery cell 200 can be effectively prevented, the cost is reduced, and the working efficiency is improved.
As shown in fig. 4, in this embodiment, the pressing block 203 is provided with a first abutting surface close to the side surface of the electric core 200, and the first abutting surface abuts against the side surface of the electric core 200, so that the electric core 200 abuts against the fixing seat 1, the section of the electric core 200 is circular, the first abutting surface is an arc surface, the pressing block 203 can better attach to the electric core 200, the electric core 200 abuts against the fixing seat 1, thereby effectively fixing the electric core 200, fixing the arrangement of the electric core 200, preventing the electric core 200 from moving in the welding strength testing process of the electric core 200 and the bus plate, improving the accuracy of welding strength data between the electric core 200 and the bus plate, and improving the working efficiency.
In other embodiments, the pressing block 203 is not limited to the first contact surface being an arc surface on the basis of abutting the battery cell 200, and the first contact surface may be set to a shape matching with the side surface of the battery cell 200 when performing the welding strength test of different types of battery cells 200, and the first contact surface may be set to be square if performing the welding strength test of the square battery cell 200.
As shown in fig. 4, in an embodiment, the fixing base 1 moves along the Y-axis direction, so that the fixing base 1 can move the battery cell 200 along the Y-axis direction, and the end of the battery cell 200 corresponds to the suction cup, so that the suction cup is convenient to adsorb the bus plate, and the welding strength test between the battery cell 200 and the bus plate is performed. The fixing base 1 is provided with the mounting groove in the sunken mode, places electric core 200 in the mounting groove, forms fixed position 101 in the mounting groove, and the notch of mounting groove upwards, and the mounting groove runs through fixing base 1 along a side towards test assembly 3, and electric core 200 installs in the mounting groove for electric core 200 can fix in the mounting groove.
Preferably, a plurality of mounting grooves are arranged on the fixing base 1 along the Y-axis direction at intervals, so that the plurality of mounting grooves can be used for simultaneously mounting the battery cell 200, the testing efficiency can be improved, and the testing time can be saved. Optionally, the mounting groove can be set to the arc-shaped groove that cooperates with first butt face, make the mounting groove can be better laminate with electric core 200 to install electric core 200 in the mounting groove, and restrict electric core 200 and take place the displacement along the Y axle direction, improve work efficiency, and make electric core 200 install in the mounting groove along its axial direction, make the tip of electric core 200 be close to test assembly 3, make things convenient for the sucking disc to adsorb the collection flow dish, thereby carry out the welding strength test between electric core 200 and the collection flow dish.
In other embodiments, the mounting groove is not limited to be an arc groove, and may be a shape matching with the side surface of the battery cell 200 when the welding strength test of the battery cell 200 of different types is performed, and may be a square shape if the welding strength test of the square battery cell 200 is performed.
As shown in fig. 3, 5 and 6, in the present embodiment, a first mounting plate 6 is slidably disposed on the second frame 5, the first moving seat 302 and the second moving seat 303 are both slidably disposed on the first mounting plate 6 along the X-axis direction, and under the action of the second driving member 304, the first moving seat 302 moves, so that the first moving seat 302 drives the second moving seat 303 to move, and the tension detector 301 connected to the first moving seat 302 and the second moving seat 303 can display the tension, and an elastic member 7 is disposed between a side surface of the first mounting plate 6 away from the battery cell 200 and the second frame 5. Specifically, the protrusion is provided with first convex part 8 on second frame 5, and first convex part 8 and first mounting panel 6 interval, and elastic component 7 one end is connected with first mounting panel 6, and the other end is connected with first convex part 8, makes first mounting panel 6 have the cushioning effect when moving on second frame 5, makes the sucking disc on the second remove seat 303 at the in-process of absorption collection flow dish, prevents that the removal rate of first mounting panel 6 is too fast so that second removes seat 303 and has the impulsive force effect to damage electric core 200 and collection flow dish, effectively reduce cost.
Preferably, the first mounting plate 6 is convexly provided with a third protrusion 16, the third protrusion 16 is fixed with a second driving member 304, the second driving member 304 may be provided as an air cylinder, the second driving member 304 is fixed on the third protrusion 16, and the first piston rod 12 on the second driving member 304 is connected with the first moving seat 302. During the process of sucking the confluence disc by the sucking disc, the second driving member 304 is always in an extended state, so as to limit the first moving seat 302 to move along the direction approaching to the second driving member 304. When the welding strength of the battery cell 200 and the bus plate is tested, the second driving piece 304 is contracted, so that the first piston rod 12 is contracted into the second driving piece 304, the first moving seat 302 is driven to move along the direction close to the second driving piece 304, meanwhile, under the action of the tension detector 301, the first moving seat 302 drives the second moving seat 303 to move, and the bus plate is adsorbed on the second moving seat 303, so that the tension detector 301 can detect the welding strength of the battery cell 200 and the bus plate, and tension data is read in a display area on the tension detector 301. In the process of driving the first movable seat 302 and the second movable seat 303 under the action of the second driving piece 304, if the first piston rod 12 is successfully contracted into the second driving piece 304, the battery cell 200 is disconnected from the bus plate at this time, which indicates that the welding strength of the battery cell 200 and the bus plate is low; if the first piston rod 12 is not retracted into the second driver 304, the cell 200 and the busbar are kept as they are, which means that the welding strength between the cell 200 and the busbar is good. In the process of testing the welding strength of the battery cell 200 and the bus plate, judging the welding stability of the battery cell 200 and the bus plate by the shrinkage of the second driving piece 304, and distinguishing defective products with weak welding strength of the battery cell 200 and the bus plate by the shrinkage of the first piston rod 12 to the inside of the second driving piece 304, so that the battery cell 200 can be conveniently processed in the next step; the tensile force data can be read through the display area on the tensile force detector 301, so that the working efficiency of the welding strength test of the battery cell 200 and the bus plate is improved.
As shown in fig. 5 and 6, the first mounting plate 6 is provided with a third slide rail 601, so that the first movable base 302 and the second movable base 303 can move in the X-axis direction on the third slide rail 601. The first movable mount 302 and the second movable mount 303 are provided on the first mounting plate 6 at intervals in the X-axis direction. In an embodiment, the first moving seat 302 is provided in a Z shape, and includes a first bottom plate 3021 moving on the first mounting plate 6 and an intermediate plate 3022 perpendicular to the first bottom plate 3021, and the first moving seat 302 further includes a first upper plate 3023 parallel to the first bottom plate 3021, the first upper plate 3023 is provided on a side surface of the intermediate plate 3022 near the second moving seat 303, and a groove 30231 is provided on the first upper plate 3023, and a notch of the groove 30231 faces the direction of the second moving seat 303, so that the tension detector 301 is fixed at a bottom of the groove 30231 on the first upper plate 3023, and the tension detector 301 is mounted on the first upper plate 3023 along the X axis direction. Preferably, the grooves 30231 are provided with protrusions on the groove walls opposite to each other along the Y-axis direction, so that the tension detector 301 is clamped at the protrusions, and the tension detector 301 is effectively protected. The tensile force detector 301 can effectively measure the welding strength of the battery cell 200 and the bus plate, improves the accuracy of welding strength data between the battery cell 200 and the bus plate, and when the first movable seat 302 moves along the direction close to the second movable seat 303, one side surface of the first upper layer plate 3023 close to the second movable seat 303 can be abutted against the second movable seat 303, so that the tensile force detector 301 is effectively prevented from being directly abutted against the second movable seat 303 under the impact action to be damaged in the moving process, and the first upper layer plate 3023 can effectively surround the tensile force detector 301 for protection.
In other implementations, the first movable base 302 is not limited to the Z-type, and the first movable base 302 may be provided in an L-type, I-type, or other shape without affecting the tensile strength of the tensile force detector 301.
As shown in fig. 5 and 6, in an embodiment, the second movable seat 303 is configured in an L shape, and includes a second bottom plate 3031 moving on the first mounting plate 6 and a second upper plate 3032 perpendicular to the second bottom plate 3031, and a suction cup is disposed on a side surface of the second upper plate 3032 near the battery cell 200, so that the second movable seat 303 can gradually approach the battery cell 200 and the suction cup can absorb the bus plate; the second upper plate 3032 is connected with the tension detector 301, so that one end of the tension detector 301 is connected to a side surface of the second upper plate 3032, which is close to the first movable seat 302, and when the first movable seat 302 moves, the tension detector 301 can drive the second upper plate 3032 to move the second bottom plate 3031 on the first mounting plate 6, thereby measuring the welding strength between the battery cell 200 and the bus plate.
In other embodiments, the second movable seat 303 is not limited to be L-shaped, and the second movable seat 303 may be I-shaped or other shapes, without affecting the strength of the suction cup to suction the confluence plate and the tensile force detector 301 to test the tensile force.
As shown in fig. 1, 3 and 5, in one embodiment, the second frame 5 is provided with a second mounting plate 17, the first protrusion 8 is disposed on the second mounting plate 17, and the second mounting plate 17 is provided with a fourth slide rail 1701, so that the first mounting plate 6 is slidably disposed on the second mounting plate 17. The second frame 5 is further provided with a fifth sliding rail 501, a third driving piece 9 and a screw rod 11, the third driving piece 9 can be set as a motor, one end of the screw rod 11 is connected with the motor through a transmission belt 10, the transmission belt 10 drives the screw rod 11 to rotate under the action of the motor, and the screw rod 11 is provided with a sliding block, so that the second mounting plate 17 is fixed on the sliding block. Under the action of the motor, the second mounting plate 17 moves on the fifth sliding rail 501 of the second rack 5 along the X-axis direction, so that the first mounting plate 6 also moves along with the second mounting plate 17 and gradually approaches the battery cell 200, the sucker can gradually approach the confluence plate, when the sucker abuts against the confluence plate, air in the sucker is pumped out, the internal air pressure of the sucker is smaller than the external air pressure, the sucker adsorbs the confluence plate, and the welding strength test between the battery cell 200 and the confluence plate is started.
As shown in fig. 1 and 3, a plurality of compression blocks 203 corresponding to the mounting grooves are arranged on the sliding seat 202 along the Y-axis direction, so that all the compression blocks 203 can move along the Z-axis direction at the same time, the battery cell 200 is compressed on the fixed seat 1, the efficiency of fixing the battery cell 200 is improved, and a plurality of test assemblies 3 are also arranged on the second frame 5 along the Y-axis direction, so that the sucking disc can absorb the confluence disc at the same time, and can carry out tensile test on all the battery cells 200 on the fixed seat 1 at the same time, and the working efficiency is improved.
In the welding strength testing process of the battery cell 200 and the bus plate, the first driving piece 201 drives the sliding seat 202 to move along the X-axis direction, so that the pressing block 203 is gradually close to the battery cell 200, and the pressing block 203 can press the battery cell 200 on the fixing seat 1. At this time, under the action of the third driving piece 9, the third mounting plate moves along the X-axis direction, and under the action of the elastic piece 7, the third mounting plate has a buffer effect in the moving process, so that the battery cell 200 is effectively prevented from being damaged by the third mounting plate in the moving process; the sucking disc adsorbs the dish that converges, and after the sucking disc sucked the dish that converges, second driving piece 304 starts, and under the effect of second driving piece 304, first removal seat 302 begins to follow X axis direction and removes seat 303 under the effect of tensile force detector 301, and first removal seat 302 drives the second and removes seat 303 to make tensile force detector 301 measure the welding strength between electric core 200 and the dish that converges, and can directly read tensile force data through the display area on the tensile force detector 301.
Although the embodiments of the present utility model have been described above with reference to the accompanying drawings, the present utility model is not limited to the above embodiments, but may be manufactured in various forms, and it will be understood by those skilled in the art that the present utility model may be embodied in other specific forms without changing the technical spirit or essential features of the present utility model. Accordingly, it should be understood that the above-described embodiments are illustrative in all respects and not restrictive.
Claims (10)
1. The utility model provides a electricity core and collection flow disc welding strength testing arrangement which characterized in that includes:
a frame;
the fixing seat is provided with a fixing position for fixing the battery cell;
the pressing assembly comprises a first driving piece, a sliding seat and a pressing block, wherein the first driving piece is arranged on the rack, the first driving piece is connected with the sliding seat so as to drive the sliding seat to move along the Z-axis direction, and the pressing block is connected with the sliding seat and used for propping the battery cell against the fixed position;
the test assembly comprises a tension detector, a sucker, a first moving seat, a second moving seat and a second driving piece, wherein the second driving piece is arranged on the frame and connected with the first moving seat so as to drive the first moving seat to move along an X axis, the sucker is arranged on the second moving seat and close to one side surface of the battery cell, the sucker is used for adsorbing the bus disc, the tension detector is connected with the first moving seat and the second moving seat, and a display area for displaying tension intensity is arranged on the tension detector.
2. The device for testing the welding strength of the battery cell and the bus plate according to claim 1, wherein the frame comprises a first frame and a second frame, the first frame and the second frame are spaced, the pressing assembly is slidably arranged on the first frame, the testing assembly is arranged on the second frame, and the first movable seat and the second movable seat are slidably arranged on the second frame along the X-axis direction.
3. The welding strength testing device for the battery cell and the bus plate according to claim 2, wherein a first mounting plate is slidably arranged on the second frame, the first movable seat and the second movable seat are slidably arranged on the first mounting plate along the X-axis direction, and an elastic piece is arranged between one side surface, away from the battery cell, of the first mounting plate and the second frame.
4. The welding strength testing device for the battery cell and the bus plate according to claim 3, wherein a first protruding portion is protruding from the second frame, the first protruding portion is spaced from the first mounting plate, one end of the elastic member is connected to the first mounting plate, and the other end of the elastic member is connected to the first protruding portion.
5. The device for testing the welding strength of the battery cell and the bus plate according to claim 1, wherein a first abutting surface close to the side surface of the battery cell is arranged on the pressing block, and the first abutting surface abuts against the side surface of the battery cell.
6. The device for testing the welding strength of the battery cell and the bus plate according to claim 5, wherein the cross section of the battery cell is circular, and the first abutting surface is an arc surface.
7. The device for testing the welding strength of the battery cell and the bus plate according to any one of claims 1 to 6, wherein a mounting groove is concavely formed in the fixing seat, the fixing position is formed in the mounting groove, a notch of the mounting groove faces upwards, the mounting groove penetrates through the fixing seat along a side face facing the testing assembly, and the battery cell is mounted in the mounting groove.
8. The device for testing the welding strength of the battery cell and the bus bar according to any one of claims 1 to 6, wherein the fixing base moves along the Y-axis direction.
9. The device for testing the welding strength of the battery cell and the bus plate according to any one of claims 2 to 4, wherein a plurality of mounting grooves are formed in the fixing base at intervals along the Y-axis direction, the fixing positions are formed in the mounting grooves, the notch of each mounting groove faces upwards, the mounting grooves penetrate through the fixing base along a side face facing the test assembly, and the battery cell is mounted in each mounting groove.
10. The device for testing the welding strength of the battery cell and the bus plate according to claim 9, wherein a plurality of pressing blocks corresponding to the mounting grooves are arranged on the sliding seat along the Y-axis direction, and a plurality of testing components are also arranged on the second rack along the Y-axis direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223270468.1U CN219284859U (en) | 2022-12-05 | 2022-12-05 | Welding strength testing device for battery core and busbar disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223270468.1U CN219284859U (en) | 2022-12-05 | 2022-12-05 | Welding strength testing device for battery core and busbar disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219284859U true CN219284859U (en) | 2023-06-30 |
Family
ID=86929296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223270468.1U Active CN219284859U (en) | 2022-12-05 | 2022-12-05 | Welding strength testing device for battery core and busbar disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219284859U (en) |
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2022
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