CN114660360B - Lithium battery electrode plate welding resistance testing device - Google Patents
Lithium battery electrode plate welding resistance testing device Download PDFInfo
- Publication number
- CN114660360B CN114660360B CN202210285398.2A CN202210285398A CN114660360B CN 114660360 B CN114660360 B CN 114660360B CN 202210285398 A CN202210285398 A CN 202210285398A CN 114660360 B CN114660360 B CN 114660360B
- Authority
- CN
- China
- Prior art keywords
- movable clamping
- groove
- fixedly connected
- rod
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention relates to a device for testing welding resistance of a lithium battery electrode plate. The resistance testing device comprises a testing machine body, wherein two groups of mutually symmetrical fixed clamping rods are arranged on a workbench of the testing machine body, vertical rods are fixedly arranged at positions, close to the outer side ends, of the tops of the fixed clamping rods, movable clamping rods are movably hinged to the tops of the vertical rods through torsional springs, and testing electrodes are fixedly arranged at the bottoms of the inner side ends of the movable clamping rods and the tops of the inner side ends of the fixed clamping rods; this resistance test device presss from both sides tight fixedly with the electrode slice through the activity movable clamping bar and fixed clamping bar, and this kind of centre gripping mode is compared with current embedded centre gripping mode, has avoided the friction between electrode slice and the test electrode, and then has avoided damaging the electrode slice, has also avoided producing static influence test because of the friction between electrode slice and the test electrode when air humidity is less.
Description
Technical Field
The invention belongs to the technical field of welding tests of lithium battery electrode plates, and particularly relates to a device for testing welding resistance of a lithium battery electrode plate.
Background
At present, no equipment capable of detecting the welding quality of electrode plates after the lithium battery is assembled and molded exists in the market, the welding quality or the welding quality can be analyzed only by detecting the temperature of the electrode plates when the lithium battery is used after the lithium battery is assembled, so that once the welding quality of the electrode plates is detected, the subsequent maintenance cost is overhigh, the invention is provided for the patent with the patent application number of CN202020419091.3, the invention is based on the four-lead method measurement principle, the size of the welding resistance of the electrode plates of the lithium battery can be detected before the lithium battery is assembled, the welding quality can be analyzed through the size of the welding resistance, in the concrete implementation, the two electrode plates of the lithium battery are respectively embedded into two test fixtures, then a system automatically applies a power supply to carry out the test, but when the electrode plates are clamped, the clamps are driven to move by an air cylinder, so that the electrode plates are embedded between an upper electrode and a lower electrode on the test fixture, this causes the electrode sheet to be worn during the insertion process, which may affect the performance of the electrode sheet.
Disclosure of Invention
The invention aims to solve the problems and provide a resistance testing device which is simple in structure and reasonable in design.
The invention realizes the purpose through the following technical scheme:
a lithium battery electrode plate welding resistance testing device comprises a detection machine body, wherein two groups of mutually symmetrical fixed clamping rods are arranged on a workbench of the detection machine body, vertical rods are fixedly arranged at positions, close to outer side ends, of the tops of the fixed clamping rods, movable clamping rods are movably hinged to the tops of the vertical rods through torsional springs, testing electrodes are fixedly arranged at bottoms of inner side ends of the movable clamping rods and tops of inner side ends of the fixed clamping rods, when the torsional springs movably hinged to the movable clamping rods are in a natural state, the movable clamping rods are in a horizontal state, a limiting plate is fixedly arranged on the workbench of the detection machine body and located on the rear side of the fixed clamping rods, a limiting clamping groove is formed in the upper surface of the limiting plate, a lithium battery is arranged inside the limiting clamping groove, two groups of electrode plates are arranged on the front side face of the lithium battery, pressing plates are movably arranged on two sides, located on two sides of the limiting clamping groove, through pin columns, and the tops of the movable clamping rods are fixedly connected with one end of a pull rope, the other end of stay cord is connected with the drive mechanism on the limiting plate, the lithium cell is at the inside embedded state of spacing draw-in groove, and control drive mechanism's start-up and close, lie in the below in the dish-shaped slip chamber in the wall of limiting plate and seted up and stir the chamber, the fixed dwang that is equipped with in bottom of round pin post, the bottom of dwang stretches into the inside of stirring the chamber, and the edge of dwang links firmly with the one end of dialling the line pole for the stay cord of connecting drive mechanism and activity clamping bar is vertical to be passed and is stirred the inside in chamber and lie in the rear of dialling the line pole, forms the obtuse angle between pressure strip and the dialling the line pole.
Referring to fig. 2, in an initial state, an included angle is formed between the movable clamping bar and the fixed clamping bar, when the lithium battery is gradually embedded into the limiting clamping groove at the top of the limiting plate, the traction mechanism is started at this time, and then one end of the pull rope fixedly connected with the movable clamping bar is loosened, so that the movable clamping bar is gradually in a horizontal state under the action of the torsion spring movably hinged with the movable clamping bar, after an electrode plate on the lithium battery is just contacted with a test electrode at the top of the fixed clamping bar, the test electrode at the bottom of the movable clamping bar is just pressed against the top of the electrode plate, so that the electrode plate is clamped between the movable clamping bar and the fixed clamping bar, at this time, the pressing plate is rotated to be pressed against the top surface of the lithium battery, and then a power supply on the detection machine body can be started to perform a test;
after the test is finished, the pressing plate can be rotated to a position separated from the top of the lithium battery, when the lithium battery is gradually separated from the inside of the limit clamping groove, the traction mechanism can gradually pull one end of the pull rope fixedly connected with the movable clamping rod at the moment, so that the movable clamping rod is gradually separated from the top of the electrode plate, and meanwhile, the lithium battery moves upwards and finally extends out of the upper port of the limit clamping groove, so that the lithium battery is conveniently taken out;
referring to fig. 7, when the pressing plate rotates to the upper end of the limiting clamping groove, because the included angle between the pressing plate and the wire-pulling rod is an obtuse angle, the wire-pulling rod fixedly connected with the rotating rod will not pull the pull rope connecting the movable clamping rod and the traction mechanism, when the lithium battery needs to be taken out from the limiting clamping groove, the pressing plate needs to rotate to a position separated from the top of the lithium battery, the wire-pulling rod fixedly connected with the rotating rod will pull the pull rope for connecting the movable clamping rod and the traction mechanism backwards, one end of the pull rope connected with the traction mechanism is fixed, the pull rope will drive one end fixedly connected with the movable clamping rod, that is, the movable clamping rod is driven to lift a distance, so that the movable clamping rod is separated from the top of the electrode plate, then when the lithium battery is slowly loosened, the lithium battery will gradually move upwards, and the movable clamping rod will continuously lift up, the design that the movable clamping rod is lifted by a distance first avoids the friction damage of the electrode plate caused by the movable clamping rod and the fixed clamping rod when the lithium battery moves upwards;
according to the invention, the electrode plate is clamped and fixed through the movable clamping rod and the fixed clamping rod, the lithium battery drives the electrode plate to continuously approach to the test electrode on the fixed clamping rod, the fixed clamping rod will continuously approach to the top of the electrode plate, finally, when the bottom of the electrode plate contacts with the test electrode on the fixed clamping rod, the test electrode on the movable clamping rod also contacts with the top of the electrode plate, and the electrode plate is clamped by the movable clamping rod and the fixed clamping rod, compared with the existing embedded clamping mode, the clamping mode avoids friction between the electrode plate and the test electrode, further avoids damage to the electrode plate, and also avoids influence on the test caused by static electricity generated by friction between the electrode plate and the test electrode when the air humidity is smaller;
compared with the prior art, the lithium battery limiting clamping device has the advantages that the electrode plates are clamped without electric devices such as air cylinders and the like, so that energy is saved, and meanwhile, when the lithium battery is completely embedded into the limiting clamping groove, the movable clamping rod and the fixed clamping rod just clamp the electrode plates, so that the lithium battery limiting clamping device is quicker and more convenient.
As a further optimization scheme of the invention, the top of the pin column is fixedly connected with the pressing plate, the bottom end of the pin column extends into the disc-shaped sliding cavity in the wall of the limiting plate and is fixedly connected with the rotating disc, the rotating disc and the disc-shaped sliding cavity are mutually connected in a sliding manner, a rubber pad is fixedly adhered to the inner wall of the disc-shaped sliding cavity, and the bottom of the rotating disc is fixedly connected with the top of the rotating rod.
As shown in figure 6, the pin column is fixedly connected with the pressing plate, the pressing plate rotates to drive the rotating disc to rotate in the disc-shaped sliding cavity, and the rubber pad arranged on the inner wall of the disc-shaped sliding cavity can limit the rotating disc, so that the pressing plate is limited.
As a further optimization scheme of the invention, the traction mechanism comprises a straight gear plate, a circular gear disc, a wire winding roller and a traction groove, wherein the straight gear plate is movably arranged in the traction groove at the bottom of the limiting clamping groove, the circular gear disc which is mutually meshed with the straight gear plate is movably arranged inside the traction groove, the wire winding roller is fixedly arranged on a rotating shaft of the circular gear disc, and the other end of a pull rope fixedly connected with the movable clamping rod is fixedly connected with the edge of the wire winding roller.
As shown in fig. 6, when the gradual inside of embedding limit slot of lithium cell, the top of spur gear board will be squeezed to the lithium cell this moment, and then it moves down to drive the spur gear board, when moving down the spur gear board with circular gear dish intermeshing and then make the wire winding roller that links firmly with the circular gear dish rotatory, and will untie the winding with the stay cord that the wire winding roller linked firmly, make the activity clamping bar move down gradually under the effect of activity articulated torsional spring with it, and when the gradual inside of following limit slot of lithium cell breaks away from, the spur gear board will shift up and drive the wire winding roller and rotate, and then convolute the other end of the stay cord that links firmly with the activity clamping bar once more, make the activity clamping bar raise once more.
As a further optimization scheme of the invention, a guide block is fixedly arranged at a position, close to the bottom end, of the straight gear plate, the guide block is positioned on one surface, far away from the circular gear disc, of the straight gear plate, the guide block is in sliding connection with a guide sliding rail on the inner wall of the traction groove, and the bottom of the guide block is fixedly connected with the bottom of the guide sliding rail through a spring.
As shown in fig. 6, when the lithium battery pushed down the spur gear plate, the spur gear plate would be in meshing transmission with the circular gear disc, driving the wire winding roller to rotate to release the pull rope, and when the lithium battery gradually separated from the inside of the limit clamping groove, the spur gear plate would move up under the action of the spring fixedly connected with the guide block, and again engage with the circular gear disc and drive the wire winding roller to wind up one end of the pull rope.
As a further optimization scheme of the invention, the rear side surface of the wire pulling rod is provided with a wire hooking groove, the wire hooking groove is designed as a trapezoidal mechanism, and the size of the outer port of the wire hooking groove is smaller than the size of the bottom of the wire hooking groove.
As shown in fig. 9, the design of colluding the line groove is convenient for drag the stay cord that is used for connecting movable clamping bar and winding roller for when needing to take out the lithium cell from spacing draw-in groove, the movable clamping bar lifts up earlier and breaks away from the surface of electrode slice, avoids electrode slice and the test electrode of movable clamping bar bottom to take place the friction.
As a further optimization scheme of the invention, the inner wall of the limiting clamping groove is provided with an accommodating groove, the bottom of the accommodating groove is fixedly connected with the inner side surface of the extrusion block through a spring, the inner side surface of the extrusion block is also fixedly connected with one end of a pull rope, the other end of the pull rope extends into the shifting cavity to be fixedly connected with the outer side end of the wire shifting rod, and when the pressing plate is positioned at a position deviated from the upper port of the limiting clamping groove, the extrusion block is accommodated in the accommodating groove.
Refer to fig. 7 and fig. 8, when the pressure strip is in the position of skew spacing draw-in groove upper port, the one end of the stay cord that links firmly with the stripper block will be dragged to the pole of dialling that links firmly with the dwang this moment, the inside of accomodating the groove is accomodate to the stripper block this moment, be convenient for the lithium cell put into the inside of spacing draw-in groove or take out from the inside of spacing draw-in groove, and when the pressure strip rotated to the last port of spacing draw-in groove, the stay cord that the pole of dialling will gradual release and the stripper block linked firmly this moment, and then make the stripper block under the effect of the spring that links firmly with it gradually stretch out the outer port of accomodating the groove and will put into the inside lithium cell of spacing draw-in groove and extrude fixedly, make the installation of lithium cell in spacing draw-in groove more firm.
As a further optimization scheme of the invention, the outer side end of the extrusion block is provided with an installation groove, a rubber roller is movably arranged in the installation groove, and the outer edge of the rubber roller extends out of the outer port of the installation groove.
Referring to fig. 8, the rubber roller may elastically compress the lithium battery without damaging the lithium battery.
As a further optimized scheme of the invention, the movable clamping rod is internally provided with a gas distribution cavity, the bottom of the movable clamping rod is provided with gas blowing holes which are mutually communicated with the inside of the gas distribution cavity, and the detection machine body is provided with a gas supply mechanism for supplying gas to the inside of the gas distribution cavity.
As shown in figure 3, when the air supply mechanism can supply air to the inside of the air distribution cavity, the air entering the inside of the air distribution cavity can be sprayed out of the air blowing holes at the bottom of the movable clamping rod, the surface of the electrode plate can be blown, and then fine impurities such as dust, wool and the like on the surface of the electrode plate are blown down, so that the influence on the test is avoided.
As a further optimized proposal of the invention, the air supply mechanism comprises an air supply cavity, a spring compression pipe and a pressing plate, the air supply cavity is positioned inside the detection machine body, the air supply cavity is positioned below the vertical rod, the top of the air supply cavity is fixedly connected with the top of the spring compression pipe, the bottom of the spring compression pipe is fixedly connected with the extrusion plate, the top of the air supply cavity is fixedly connected with the extrusion plate through a spring, the top of the extrusion plate is fixedly connected with one end of a pull rope, the other end of the pull rope penetrates out of the surface of the detection machine body upwards and is fixedly connected with the outer side end of the movable clamping rod, and the top of the detection machine body is provided with an air exhaust hole which is mutually communicated with the inside of the spring compression pipe, the air exhaust hole and the air blow hole on the movable clamping rod are both internally provided with a one-way valve, the outer side end of the movable clamping rod is fixedly connected with the upper surface of the detection machine body through a connecting hose, and the connecting hose is used for communicating the gas distribution cavity and the interior of the spring compression pipe.
Referring to fig. 3, when the pulling rope fixedly connected to the movable clamping rod is gradually loosened, the movable clamping rod will gradually move towards the direction close to the fixed clamping rod under the action of the torsion spring movably connected to the movable clamping rod, and at the same time, the outer side end of the movable clamping rod will move upwards, and then the pulling rope pulls the extrusion plate to move upwards, and the extrusion plate will extrude the spring compression pipe in the moving process, and the gas inside the spring compression pipe enters the inside of the gas distribution chamber through the connecting hose and is sprayed out from the blowing hole at the bottom of the movable clamping rod, and when the inner side end of the movable clamping rod gradually rises, the pulling rope fixedly connected to the extrusion plate will become loose, and then the extrusion plate will move downwards under the action of the spring fixedly connected to the extrusion plate, and then the external gas will enter the inside of the spring pipe through pumping to be stored, so as to prepare for next blowing.
As a further optimization scheme of the invention, rubber antiskid blocks are fixedly arranged at positions, close to the testing electrode, of the bottom surface of the movable clamping rod and the upper surface of the fixed clamping rod, the tops of the rubber antiskid blocks are provided with air blowing cavities, and the surfaces, facing the testing electrode, of the rubber antiskid blocks are provided with air blowing holes communicated with the interiors of the air blowing cavities.
As shown in fig. 2 and 4, when the movable clamping bar is in a horizontal state, the electrode sheet is clamped by the movable clamping bar and the test electrodes on the fixed clamping bar, the tops of the two groups of rubber anti-skid blocks are extruded, and air in the air blowing cavity is sprayed out from the air blowing holes on the surfaces of the rubber anti-skid blocks, so that ash is removed from the surfaces of the test electrodes, and dust, lint and the like adhered to the surfaces of the test electrodes are prevented from affecting the test;
and the rubber non-slip blocks are clamped on the surface of the electrode plate, so that the anti-slip and shock-absorbing effects can be achieved.
The invention has the beneficial effects that:
according to the invention, the electrode plate is clamped and fixed through the movable clamping rod and the fixed clamping rod, the lithium battery drives the electrode plate to continuously approach to the test electrode on the fixed clamping rod, the fixed clamping rod will continuously approach to the top of the electrode plate, finally, when the bottom of the electrode plate contacts with the test electrode on the fixed clamping rod, the test electrode on the movable clamping rod also contacts with the top of the electrode plate, and the electrode plate is clamped by the movable clamping rod and the fixed clamping rod, compared with the existing embedded clamping mode, the clamping mode avoids friction between the electrode plate and the test electrode, further avoids damage to the electrode plate, and also avoids influence on the test caused by static electricity generated by friction between the electrode plate and the test electrode when the air humidity is smaller;
when the lithium battery needs to be taken out, the pressing plate needs to be rotated to a position where the pressing plate is separated from the top of the lithium battery, the wire pulling rod fixedly connected with the rotating rod pulls the pulling rope used for connecting the movable clamping rod and the traction mechanism backwards, the pulling rope drives one end fixedly connected with the movable clamping rod, namely the movable clamping rod is driven to be lifted for a certain distance, the movable clamping rod is separated from the top of the electrode plate, then when the lithium battery is slowly loosened, the lithium battery gradually moves upwards, and meanwhile, the movable clamping rod continuously lifts upwards, and the design that the movable clamping rod firstly lifts one end for a certain distance avoids the movable clamping rod and the fixed clamping rod from rubbing and damaging the electrode plate at the moment that the lithium battery moves upwards
Compared with the prior art, the lithium battery limiting clamping device has the advantages that the electrode plate is clamped without using electric devices such as an air cylinder and the like, so that energy is saved, and meanwhile, when the lithium battery is completely embedded into the limiting clamping groove, the movable clamping rod and the fixed clamping rod just clamp the electrode plate, so that the lithium battery limiting clamping device is quicker and more convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a schematic view of the internal structure of the movable clamping bar;
FIG. 4 is an enlarged view of FIG. 3 at B;
FIG. 5 is an enlarged view of FIG. 3 at C;
FIG. 6 is a schematic view of the internal structure of the traction groove;
FIG. 7 is a schematic structural view of a receiving groove;
FIG. 8 is an enlarged view of FIG. 7 at D;
fig. 9 is an enlarged view of fig. 7 at E.
In the figure: detect organism 1, activity clamping bar 2, fixed clamping bar 3, lithium cell 4, limiting plate 5, spacing draw-in groove 6, electrode slice 7, test electrode 8, rubber non slipping spur 9, vertical pole 10, coupling hose 11, divide the gas chamber 12, air feed chamber 13, spring compression pipe 14, stripper plate 15, air blowing chamber 16, air blowing hole 18, round pin 19, pressure strip 20, rolling disc 21, disk sliding chamber 22, dwang 23, dial pole 24, stir chamber 25, spur gear board 26, circular gear dish 27, wire winding roller 28, traction groove 29, guide block 30, direction slide rail 31, accomodate the groove 32, stripper block 33, mounting groove 34, rubber drum 35, collude line groove 36.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
As shown in fig. 1 and fig. 2, a lithium battery electrode plate welding resistance testing device comprises a detection machine body 1, two groups of mutually symmetrical fixed clamping rods 3 are arranged on a workbench of the detection machine body 1, vertical rods 10 are fixedly arranged at positions, close to outer side ends, of the tops of the fixed clamping rods 3, movable clamping rods 2 are movably hinged to the tops of the vertical rods 10 through torsional springs, testing electrodes 8 are fixedly arranged at the bottoms of inner side ends of the movable clamping rods 2 and the tops of inner side ends of the fixed clamping rods 3, when the torsional springs movably hinged to the movable clamping rods 2 are in a natural state, the movable clamping rods 2 are in a horizontal state, a limiting plate 5 is fixedly arranged on the rear side of the fixed clamping rods 3 on the workbench of the detection machine body 1, a limiting clamping groove 6 is formed in the upper surface of the limiting plate 5, a lithium battery 4 is arranged inside the limiting clamping groove 6, two groups of electrode plates 7 are arranged on the front side surface of the lithium battery 4, pressing plates 20 are movably arranged on two sides, located on the tops of the limiting clamping groove 6, of the limiting plate 5, through pin columns 19, the top of activity clamping bar 2 links firmly with the one end of stay cord, the other end of stay cord is connected with the drive mechanism on the limiting plate 5, lithium cell 4 is in the inside embedded state of limiting draw-in groove 6, control drive mechanism's start-up and closing, it stirs chamber 25 to be located the below of the dish sliding chamber 22 in the wall of limiting plate 5 to have seted up, the fixed dwang 23 that is equipped with in bottom of round pin post 19, the bottom of dwang 23 stretches into the inside of stirring chamber 25, and the edge of dwang 23 links firmly with the one end of dialling line pole 24, a stay cord for connecting drive mechanism and activity clamping bar 2 is vertical to be passed the inside of stirring chamber 25 and is located the rear of dialling line pole 24, it forms the obtuse angle to press packed plant 20 and dial between the line pole 24.
Referring to fig. 2, in an initial state, an included angle is formed between the movable clamping bar 2 and the fixed clamping bar 3, when the lithium battery 4 is gradually embedded into the limit clamping groove 6 at the top of the limit plate 5, at this time, the traction mechanism is started, and then one end of the pull rope fixedly connected with the movable clamping bar 2 is loosened, so that the movable clamping bar 2 is gradually in a horizontal state under the action of the torsion spring movably hinged with the movable clamping bar 2, after the electrode plate 7 on the lithium battery 4 is just contacted with the test electrode 8 at the top of the fixed clamping bar 3, the test electrode 8 at the bottom of the movable clamping bar 2 is just tightly pressed on the top of the electrode plate 7, so that the electrode plate 7 is clamped between the movable clamping bar 2 and the fixed clamping bar 3, at this time, the pressing plate 20 is rotated, so that the pressing plate 20 is tightly pressed on the top surface of the lithium battery 4, and then the power supply on the detection machine body 1 can be started for testing;
after the test is finished, the pressing plate 20 can be rotated to a position where the pressing plate is separated from the top of the lithium battery 4, and when the lithium battery 4 is gradually separated from the inside of the limiting clamping groove 6, the traction mechanism can gradually pull one end of the pull rope fixedly connected with the movable clamping rod 2, so that the movable clamping rod 2 is gradually separated from the top of the electrode plate 7, and meanwhile, the lithium battery 4 moves upwards to finally extend out of the upper port of the limiting clamping groove 6, so that the lithium battery 4 can be conveniently taken out;
referring to fig. 7, when the pressing plate 20 rotates to the upper end of the limiting slot 6, because the included angle between the pressing plate 20 and the wire pulling rod 24 is an obtuse angle, the wire pulling rod 24 fixedly connected to the rotating rod 23 will not pull the pull rope connecting the movable clamping rod 2 and the traction mechanism, and when the lithium battery 4 needs to be taken out from the limiting slot 6, the pressing plate 20 needs to rotate to a position separated from the top of the lithium battery 4, the wire pulling rod 24 fixedly connected to the rotating rod 23 will pull the pull rope connecting the movable clamping rod 2 and the traction mechanism backwards, the end of the pull rope connected to the traction mechanism is fixed, and the pull rope will drive the end fixedly connected to the movable clamping rod 2, i.e. drive the movable clamping rod 2 to lift a distance, so that the movable clamping rod 2 is separated from the top of the electrode plate 7, and then when the lithium battery 4 is slowly released, the lithium battery 4 will gradually move upwards, and meanwhile, the movable clamping rod 2 will continuously lift upwards, so that the design that one end of the movable clamping rod 2 is lifted first avoids the friction damage of the electrode plate 7 caused by the movable clamping rod 2 and the fixed clamping rod 3 at the moment that the lithium battery 4 moves upwards;
according to the invention, the electrode plate 7 is clamped and fixed through the movable clamping rod 2 and the fixed clamping rod 3, the lithium battery 4 drives the electrode plate 7 to continuously approach to the test electrode 8 on the fixed clamping rod 3, the fixed clamping rod 3 will continuously approach to the top of the electrode plate 7, finally, when the bottom of the electrode plate 7 is contacted with the test electrode 8 on the fixed clamping rod 3, the test electrode 8 on the movable clamping rod 2 is also contacted with the top of the electrode plate 7, and the electrode plate 7 is clamped by the movable clamping rod 2 and the fixed clamping rod 3 at the moment, compared with the existing embedded clamping mode, the clamping mode avoids friction between the electrode plate 7 and the test electrode 8, further avoids damaging the electrode plate 7, and also avoids the influence on the test caused by static electricity generated by friction between the electrode plate 7 and the test electrode 8 when the air humidity is low;
meanwhile, compared with the prior art, the electrode plate 7 is clamped without using electric devices such as an air cylinder and the like, so that energy is saved, and meanwhile, when the lithium battery 4 is completely embedded into the limiting clamping groove 6, the movable clamping rod 2 and the fixed clamping rod 3 just clamp the electrode plate 7, so that the lithium battery is quicker and more convenient.
The top of the pin 19 is fixedly connected with the pressing plate 20, the bottom end of the pin 19 extends into a disc-shaped sliding cavity 22 in the wall of the limiting plate 5 and is fixedly connected with a rotating disc 21, the rotating disc 21 and the disc-shaped sliding cavity 22 are in sliding connection with each other, a rubber pad is fixedly adhered to the inner wall of the disc-shaped sliding cavity 22, and the bottom of the rotating disc 21 is fixedly connected with the top of the rotating rod 23.
As shown in fig. 6, the pin 19 is fixedly connected with the pressing plate 20, the rotation of the pressing plate 20 will drive the rotating disc 21 to rotate inside the disc-shaped sliding cavity 22, and the rubber pad arranged on the inner wall of the disc-shaped sliding cavity 22 can play a role in limiting the rotating disc 21, so as to limit the pressing plate 20.
The traction mechanism comprises a straight gear plate 26, a circular gear disc 27, a wire winding roller 28 and a traction groove 29, wherein the straight gear plate 26 is movably installed in the traction groove 29 at the bottom of the limiting clamping groove 6, the circular gear disc 27 meshed with the straight gear plate 26 is movably arranged inside the traction groove 29, the wire winding roller 28 is fixedly arranged on a rotating shaft of the circular gear disc 27, and the other end of a pull rope fixedly connected with the movable clamping rod 2 is fixedly connected with the edge of the wire winding roller 28.
As shown in fig. 6, when the gradual inside of embedding limit slot 6 of lithium cell 4, lithium cell 4 will extrude the top of spur gear board 26 this moment, and then drive spur gear board 26 and move down, spur gear board 26 moves down while and circular gear dish 27 intermeshing and then make the wire winding roller 28 that links firmly with circular gear dish 27 rotatory, and the stay cord that will link firmly with wire winding roller 28 unwinds, make activity clamping bar 2 move down gradually under the effect of the articulated torsional spring of activity with it, and when the gradual inside of following limit slot 6 of lithium cell 4 breaks away from, spur gear board 26 will move up and drive wire winding roller 28 and rotate, and then will coil the other end with the stay cord that activity clamping bar 2 linked firmly again, make activity clamping bar 2 raise once more.
The fixed guide block 30 that is equipped with in the position that straight gear plate 26 is close to the bottom, and guide block 30 is located the one side of keeping away from circular gear dish 27 on straight gear plate 26, and guide block 30 and the mutual sliding connection of the direction slide rail 31 of pull groove 29 inner wall, and the bottom of guide block 30 links firmly through the bottom of spring and direction slide rail 31.
As shown in fig. 6, when the lithium battery 4 presses down the spur gear plate 26, the spur gear plate 26 will be in meshing transmission with the circular gear disc 27 to drive the wire winding roller 28 to rotate to release the rope, and when the lithium battery 4 gradually breaks away from the inside of the limiting clamping groove 6, the spur gear plate 26 will move upwards under the action of the spring fixedly connected with the guide block 30, and is meshed with the circular gear disc 27 again to drive the wire winding roller 28 to wind one end of the rope.
The rear side surface of the wire pulling rod 24 is provided with a wire hooking groove 36, the wire hooking groove 36 is designed as a trapezoidal mechanism, and the size of the outer port of the wire hooking groove 36 is smaller than the size of the bottom of the wire hooking groove 36.
As shown in fig. 9, the design of the wire hooking groove 36 facilitates pulling the pull rope for connecting the movable clamping bar 2 and the wire winding roller 28, so that when the lithium battery 4 needs to be taken out of the limiting clamping groove 6, the movable clamping bar 2 is lifted up and separated from the surface of the electrode plate 7, and friction between the electrode plate 7 and the test electrode 8 at the bottom of the movable clamping bar 2 is avoided.
The inner wall of spacing draw-in groove 6 has been seted up and has been accomodate groove 32, and the bottom of accomodating groove 32 links firmly through the medial surface of spring with extrusion block 33, and the medial surface of extrusion block 33 still links firmly with the one end of stay cord, and the other end of stay cord stretches into the inside of stirring chamber 25 and links firmly with the outside end of dialling line pole 24, and when pressure strip 20 was in the position of skew spacing draw-in groove 6 upper port, extrusion block 33 was accomodate in the inside of accomodating groove 32.
Referring to fig. 7 and 8, when the pressure strip 20 is located the position of the deviated upper port of the limiting clamping groove 6, the wire pulling rod 24 fixedly connected with the rotating rod 23 at this time pulls one end of the pulling rope fixedly connected with the extruding block 33, the extruding block 33 is accommodated in the accommodating groove 32 at this time, the lithium battery 4 can be conveniently placed in the limiting clamping groove 6 or taken out from the inside of the limiting clamping groove 6, and when the pressure strip 20 rotates to the upper port of the limiting clamping groove 6, the wire pulling rod 24 can be gradually released from the pulling rope fixedly connected with the extruding block 33 at this time, and further the extruding block 33 gradually stretches out the outer port of the accommodating groove 32 under the action of the spring fixedly connected with the pressure strip 20 and extrudes and fixes the lithium battery 4 placed in the limiting clamping groove 6, so that the lithium battery 4 is more firmly installed in the limiting clamping groove 6.
An installation groove 34 is formed in the outer end of the extrusion block 33, a rubber roller 35 is movably arranged in the installation groove 34, and the outer edge of the rubber roller 35 extends out of the outer port of the installation groove 34.
Referring to fig. 8, the rubber roller 35 may elastically compress the lithium battery 4 without damaging the lithium battery 4.
The movable clamping rod 2 is internally provided with a gas distribution cavity 12, the bottom of the movable clamping rod 2 is provided with a gas blowing hole 18 which is mutually communicated with the inside of the gas distribution cavity 12, and the detection machine body 1 is provided with a gas supply mechanism for supplying gas to the inside of the gas distribution cavity 12.
As shown in fig. 3, when the air supply mechanism can supply air to the inside of the air distribution cavity 12, the air entering the air distribution cavity 12 will be blown out from the air blowing holes 18 at the bottom of the movable clamping bar 2, so as to blow the surface of the electrode sheet 7, and further blow down the dust, lint and other fine impurities on the surface of the electrode sheet 7, thereby avoiding affecting the test.
The air supply mechanism comprises an air supply cavity 13, a spring compression pipe 14 and an extrusion plate 15, the air supply cavity 13 is positioned inside the detection machine body 1, the gas supply cavity 13 is positioned below the vertical rod 10, the top of the gas supply cavity 13 is fixedly connected with the top of the spring compression pipe 14, the bottom of the spring compression pipe 14 is fixedly connected with the extrusion plate 15, the top of the gas supply cavity 13 is fixedly connected with the extrusion plate 15 through a spring, the top of the extrusion plate 15 is fixedly connected with one end of a pull rope, the other end of the pull rope upwards penetrates through the surface of the detection machine body 1 and is fixedly connected with the outer side end of the movable clamping rod 2, and the top of the detection machine body 1 is provided with an air exhaust hole communicated with the inside of the spring compression pipe 14, the air exhaust hole and the inside of the air exhaust hole 18 on the movable clamping rod 2 are both provided with a one-way valve, the outer side end of the movable clamping rod 2 is fixedly connected with the upper surface of the detection machine body 1 through a connecting hose 11, and the connecting hose 11 is used for communicating the air distribution cavity 12 with the inside of the spring compression pipe 14.
Referring to fig. 3, when the pulling rope connected to the movable clamping rod 2 is gradually loosened, the movable clamping rod 2 will gradually move toward the fixed clamping rod 3 under the action of the torsion spring movably connected thereto, and at the same time, the outer end of the movable clamping rod 2 will move upward, the extrusion plate 15 is pulled by the pull rope to move upwards, the spring compression pipe 14 is extruded in the process that the extrusion plate 15 moves upwards, the air in the spring compression pipe 14 enters the air distribution chamber 12 through the connecting hose 11 and is sprayed out from the air blowing hole 18 at the bottom of the movable clamping rod 2, when the inner side end of the movable clamping rod 2 is gradually lifted, the pull rope fixedly connected with the extrusion plate 15 becomes loose, the pressing plate 15 will move downwards under the action of the spring fixedly connected with the pressing plate, and then the outside air will enter the interior of the spring compression pipe 14 through the air suction opening to be stored so as to prepare for the next air blowing.
The bottom surface of the movable clamping rod 2 and the upper surface of the fixed clamping rod 3 are both fixedly provided with rubber anti-skidding blocks 9 at positions close to the testing electrode 8, the top of each rubber anti-skidding block 9 is provided with an air blowing cavity 16, and the surface of each rubber anti-skidding block 9 facing the testing electrode 8 is provided with air blowing holes 18 communicated with the inside of the air blowing cavity 16.
As shown in fig. 2 and 4, when the movable clamping bar 2 is in a horizontal state, the electrode sheet 7 is clamped by the movable clamping bar 2 and the test electrodes 8 on the fixed clamping bar 3, the tops of the two groups of rubber anti-skid blocks 9 are also extruded, and air inside the air blowing cavity 16 is blown out from the air blowing holes 18 on the surfaces of the rubber anti-skid blocks 9, so that ash is removed from the surfaces of the test electrodes 8, and dust, lint and the like adhered to the surfaces of the test electrodes 8 are prevented from affecting the test;
and the rubber antiskid blocks 9 are clamped on the surface of the electrode plate 7, so that the antiskid and shock absorption effects can be achieved.
The working principle is as follows: referring to fig. 2, in an initial state, an included angle is formed between the movable clamping bar 2 and the fixed clamping bar 3, when the lithium battery 4 is gradually embedded into the limit clamping groove 6 at the top of the limit plate 5, at this time, the traction mechanism is started, and then one end of the pull rope fixedly connected with the movable clamping bar 2 is loosened, so that the movable clamping bar 2 is gradually in a horizontal state under the action of the torsion spring movably hinged with the movable clamping bar 2, after the electrode plate 7 on the lithium battery 4 is just contacted with the test electrode 8 at the top of the fixed clamping bar 3, the test electrode 8 at the bottom of the movable clamping bar 2 is just tightly pressed on the top of the electrode plate 7, so that the electrode plate 7 is clamped between the movable clamping bar 2 and the fixed clamping bar 3, at this time, the pressing plate 20 is rotated, so that the pressing plate 20 is tightly pressed on the top surface of the lithium battery 4, and then the power supply on the detection machine body 1 can be started for testing;
after the test is finished, the pressing plate 20 can be rotated to a position where the pressing plate is separated from the top of the lithium battery 4, and when the lithium battery 4 is gradually separated from the inside of the limiting clamping groove 6, the traction mechanism can gradually pull one end of the pull rope fixedly connected with the movable clamping rod 2, so that the movable clamping rod 2 is gradually separated from the top of the electrode plate 7, and meanwhile, the lithium battery 4 moves upwards to finally extend out of the upper port of the limiting clamping groove 6, so that the lithium battery 4 can be conveniently taken out;
referring to fig. 7, when the pressing plate 20 rotates to the upper end of the limiting slot 6, because the included angle between the pressing plate 20 and the wire pulling rod 24 is an obtuse angle, the wire pulling rod 24 fixedly connected to the rotating rod 23 will not pull the pull rope connecting the movable clamping rod 2 and the traction mechanism, and when the lithium battery 4 needs to be taken out from the limiting slot 6, the pressing plate 20 needs to rotate to a position separated from the top of the lithium battery 4, the wire pulling rod 24 fixedly connected to the rotating rod 23 will pull the pull rope connecting the movable clamping rod 2 and the traction mechanism backwards, the end of the pull rope connected to the traction mechanism is fixed, and the pull rope will drive the end fixedly connected to the movable clamping rod 2, i.e. drive the movable clamping rod 2 to lift a distance, so that the movable clamping rod 2 is separated from the top of the electrode plate 7, and then when the lithium battery 4 is slowly released, the lithium battery 4 will gradually move upwards, and meanwhile, the movable clamping rod 2 will continuously lift upwards, so that the design that one end of the movable clamping rod 2 is lifted first avoids the friction damage of the electrode plate 7 caused by the movable clamping rod 2 and the fixed clamping rod 3 at the moment that the lithium battery 4 moves upwards;
according to the invention, the electrode plate 7 is clamped and fixed through the movable clamping rod 2 and the fixed clamping rod 3, the lithium battery 4 drives the electrode plate 7 to continuously approach to the test electrode 8 on the fixed clamping rod 3, the fixed clamping rod 3 will continuously approach to the top of the electrode plate 7, finally, when the bottom of the electrode plate 7 is contacted with the test electrode 8 on the fixed clamping rod 3, the test electrode 8 on the movable clamping rod 2 is also contacted with the top of the electrode plate 7, and the electrode plate 7 is clamped by the movable clamping rod 2 and the fixed clamping rod 3 at the moment, compared with the existing embedded clamping mode, the clamping mode avoids friction between the electrode plate 7 and the test electrode 8, further avoids damaging the electrode plate 7, and also avoids the influence on the test caused by static electricity generated by friction between the electrode plate 7 and the test electrode 8 when the air humidity is low;
meanwhile, compared with the prior art, the electrode plate 7 is clamped without using electric devices such as an air cylinder and the like, so that energy is saved, and meanwhile, when the lithium battery 4 is completely embedded into the limiting clamping groove 6, the movable clamping rod 2 and the fixed clamping rod 3 just clamp the electrode plate 7, so that the lithium battery is quicker and more convenient.
In the description of the present invention, it is to be understood that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the terminology used in the description presented above should not be understood as necessarily referring to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (7)
1. A lithium battery electrode plate welding resistance testing device is characterized by comprising a detection machine body (1), two groups of mutually symmetrical fixed clamping rods (3) are arranged on a workbench of the detection machine body (1), vertical rods (10) are fixedly arranged at positions, close to outer side ends, of tops of the fixed clamping rods (3), the tops of the vertical rods (10) are movably hinged to movable clamping rods (2) through torsional springs, testing electrodes (8) are fixedly arranged at bottoms of inner side ends of the movable clamping rods (2) and tops of inner side ends of the fixed clamping rods (3), when the torsional springs movably hinged to the movable clamping rods (2) are in a natural state, the movable clamping rods (2) are in a horizontal state, limiting plates (5) are fixedly arranged on the rear sides, located on the workbench of the fixed clamping rods (3), of the limiting plates (5), limiting clamping grooves (6) are formed in the upper surfaces of the limiting plates (5), lithium batteries (4) are arranged inside the limiting clamping grooves (6), the front side surface of the lithium battery (4) is provided with two groups of electrode plates (7), the top of the limiting plate (5) is positioned at two sides of the limiting clamping groove (6) and is movably provided with a pressing plate (20) through a pin post (19), the top of the movable clamping rod (2) is fixedly connected with one end of a pull rope, the other end of the pull rope is connected with a traction mechanism on the limiting plate (5), the embedded state of the lithium battery (4) in the limiting clamping groove (6) controls the traction mechanism to be started and closed, a poking cavity (25) is arranged below a disc-shaped sliding cavity (22) in the wall of the limiting plate (5), the bottom of the pin post (19) is fixedly provided with a rotating rod (23), the bottom of the rotating rod (23) extends into the poking cavity (25), the edge of the rotating rod (23) is fixedly connected with one end of a poking rod (24), and the pull rope for connecting the traction mechanism and the movable clamping rod (2) vertically penetrates through the inner part of the poking cavity (25) and is positioned behind the poking rod (24), an obtuse angle is formed between the pressing plate (20) and the wire shifting rod (24);
the top of the pin column (19) is fixedly connected with the pressing plate (20), the bottom end of the pin column (19) extends into a disc-shaped sliding cavity (22) in the wall of the limiting plate (5) and is fixedly connected with a rotating disc (21), the rotating disc (21) and the disc-shaped sliding cavity (22) are mutually connected in a sliding mode, a rubber pad is fixedly adhered to the inner wall of the disc-shaped sliding cavity (22), and the bottom of the rotating disc (21) is fixedly connected with the top of the rotating rod (23);
the traction mechanism comprises a straight gear plate (26), a circular gear plate (27), a wire winding roller (28) and a traction groove (29), the straight gear plate (26) is movably mounted in the traction groove (29) at the bottom of the limiting clamping groove (6), the circular gear plate (27) meshed with the straight gear plate (26) is movably arranged in the traction groove (29), the wire winding roller (28) is fixedly arranged on a rotating shaft of the circular gear plate (27), and the other end of a pull rope fixedly connected with the movable clamping rod (2) is fixedly connected with the edge of the wire winding roller (28);
the fixed guide block (30) that is equipped with in the position that straight gear plate (26) is close to the bottom, guide block (30) are located the one side of keeping away from gear disc (27) on straight gear plate (26), and guide block (30) and the mutual sliding connection of direction slide rail (31) of pull groove (29) inner wall, and the bottom of guide block (30) links firmly through the bottom of spring and direction slide rail (31).
2. The welding resistance testing device for the electrode plates of the lithium batteries according to claim 1, is characterized in that: the rear side surface of the wire pulling rod (24) is provided with a wire hooking groove (36), the wire hooking groove (36) is designed to be a trapezoidal mechanism, and the size of an outer port of the wire hooking groove (36) is smaller than the size of the bottom of the wire hooking groove (36).
3. The welding resistance testing device for the electrode plates of the lithium batteries according to claim 2, is characterized in that: the inner wall of spacing draw-in groove (6) has been seted up and has been accomodate groove (32), and the bottom of accomodating groove (32) links firmly through the medial surface of spring with extrusion block (33), and the medial surface of extrusion block (33) still links firmly with the one end of stay cord, and the other end of stay cord stretches into the inside of stirring chamber (25) and links firmly with the outside end of dialling line pole (24), and when pressure strip (20) were in the position of skew spacing draw-in groove (6) upper port, the inside of accomodating groove (32) was accomodate in extrusion block (33).
4. The welding resistance testing device for the electrode plates of the lithium batteries according to claim 3, is characterized in that: an installation groove (34) is formed in the outer side end of the extrusion block (33), a rubber roller (35) is movably arranged in the installation groove (34), and the outer edge of the rubber roller (35) extends out of the outer port of the installation groove (34).
5. The welding resistance testing device for the electrode plates of the lithium batteries according to claim 4, is characterized in that: the gas distribution cavity (12) is formed in the movable clamping rod (2), the bottom of the movable clamping rod (2) is provided with gas blowing holes (18) communicated with the inside of the gas distribution cavity (12), and a gas supply mechanism for supplying gas to the inside of the gas distribution cavity (12) is arranged on the detection machine body (1).
6. The welding resistance testing device for the electrode plates of the lithium batteries according to claim 5, is characterized in that: the gas supply mechanism comprises a gas supply cavity (13), a spring compression pipe (14) and an extrusion plate (15), the gas supply cavity (13) is positioned inside the detection machine body (1), the gas supply cavity (13) is positioned below the vertical rod (10), the top of the gas supply cavity (13) is fixedly connected with the top of the spring compression pipe (14), the bottom of the spring compression pipe (14) is fixedly connected with the extrusion plate (15), the top of the gas supply cavity (13) is fixedly connected with the extrusion plate (15) through a spring, the top of the extrusion plate (15) is fixedly connected with one end of a pull rope, the other end of the pull rope upwards penetrates through the surface of the detection machine body (1) and is fixedly connected with the outer end of the movable clamping rod (2), the top of the detection machine body (1) is provided with a gas suction hole which is mutually communicated with the inside of the spring compression pipe (14), and one-way valves are respectively arranged inside the gas suction hole and the gas blowing hole (18) on the movable clamping rod (2), the outer side end of the movable clamping rod (2) is fixedly connected with the upper surface of the detection machine body (1) through a connecting hose (11), and the connecting hose (11) is used for communicating the air distribution cavity (12) and the interior of the spring compression pipe (14).
7. The welding resistance testing device for the electrode plates of the lithium batteries according to claim 6, is characterized in that: the bottom surface of the movable clamping rod (2) and the upper surface of the fixed clamping rod (3) are both fixedly provided with rubber anti-skidding blocks (9) at positions close to the testing electrodes (8), the top of each rubber anti-skidding block (9) is provided with a gas blowing cavity (16), and the surface of each rubber anti-skidding block (9) facing the testing electrodes (8) is provided with gas blowing holes (18) communicated with the inside of the gas blowing cavity (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210285398.2A CN114660360B (en) | 2022-03-23 | 2022-03-23 | Lithium battery electrode plate welding resistance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210285398.2A CN114660360B (en) | 2022-03-23 | 2022-03-23 | Lithium battery electrode plate welding resistance testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114660360A CN114660360A (en) | 2022-06-24 |
| CN114660360B true CN114660360B (en) | 2022-09-20 |
Family
ID=82031089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210285398.2A Active CN114660360B (en) | 2022-03-23 | 2022-03-23 | Lithium battery electrode plate welding resistance testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114660360B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116689327B (en) * | 2023-08-07 | 2023-10-31 | 中金液压胶管股份有限公司 | Tightness detection device for valve |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2127564A (en) * | 1982-09-20 | 1984-04-11 | Aro Machinery | Measuring weld resistance/voltage drop |
| CN204867794U (en) * | 2015-08-12 | 2015-12-16 | 东莞市骏卓自动化科技有限公司 | Dust absorption of battery prewelding and insulation resistance testing arrangement |
| JP2016014465A (en) * | 2013-10-21 | 2016-01-28 | 日本精工株式会社 | Conductive bearing |
| CN107515157A (en) * | 2017-08-29 | 2017-12-26 | 深圳市泰霸电源系统有限公司 | The detection method and its device of welding battery intensity |
| CN207528818U (en) * | 2017-05-04 | 2018-06-22 | 李慧萍 | A kind of resistance test equipment |
| CN207798947U (en) * | 2018-02-09 | 2018-08-31 | 中科派思储能技术有限公司 | A kind of insulation resistance instrument subtest mechanism |
| KR20200059618A (en) * | 2018-11-21 | 2020-05-29 | (주)이티에스 | Secondary battery production system and method of the same |
| CN111257642A (en) * | 2020-03-27 | 2020-06-09 | 上海映晓电子科技有限公司 | Device for measuring tab welding resistance of finished lithium battery module |
| CN111257643A (en) * | 2020-03-27 | 2020-06-09 | 上海映晓电子科技有限公司 | Lithium battery electrode plate welding resistance testing device and method |
| CN212622817U (en) * | 2020-03-27 | 2021-02-26 | 上海映晓电子科技有限公司 | Lithium battery electrode plate welding resistance testing device |
| WO2022055085A1 (en) * | 2020-09-10 | 2022-03-17 | 주식회사 엘지에너지솔루션 | Method for inspecting welding quality of welded portion between electrode tab and lead |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9207153B2 (en) * | 2013-09-30 | 2015-12-08 | Lg Chem, Ltd. | Test jig |
-
2022
- 2022-03-23 CN CN202210285398.2A patent/CN114660360B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2127564A (en) * | 1982-09-20 | 1984-04-11 | Aro Machinery | Measuring weld resistance/voltage drop |
| JP2016014465A (en) * | 2013-10-21 | 2016-01-28 | 日本精工株式会社 | Conductive bearing |
| CN204867794U (en) * | 2015-08-12 | 2015-12-16 | 东莞市骏卓自动化科技有限公司 | Dust absorption of battery prewelding and insulation resistance testing arrangement |
| CN207528818U (en) * | 2017-05-04 | 2018-06-22 | 李慧萍 | A kind of resistance test equipment |
| CN107515157A (en) * | 2017-08-29 | 2017-12-26 | 深圳市泰霸电源系统有限公司 | The detection method and its device of welding battery intensity |
| CN207798947U (en) * | 2018-02-09 | 2018-08-31 | 中科派思储能技术有限公司 | A kind of insulation resistance instrument subtest mechanism |
| KR20200059618A (en) * | 2018-11-21 | 2020-05-29 | (주)이티에스 | Secondary battery production system and method of the same |
| CN111257642A (en) * | 2020-03-27 | 2020-06-09 | 上海映晓电子科技有限公司 | Device for measuring tab welding resistance of finished lithium battery module |
| CN111257643A (en) * | 2020-03-27 | 2020-06-09 | 上海映晓电子科技有限公司 | Lithium battery electrode plate welding resistance testing device and method |
| CN212622817U (en) * | 2020-03-27 | 2021-02-26 | 上海映晓电子科技有限公司 | Lithium battery electrode plate welding resistance testing device |
| WO2022055085A1 (en) * | 2020-09-10 | 2022-03-17 | 주식회사 엘지에너지솔루션 | Method for inspecting welding quality of welded portion between electrode tab and lead |
Non-Patent Citations (1)
| Title |
|---|
| 晶体硅太阳电池丝网印刷电极接触电阻及其测量;刘祖明 等;《太阳能学报》;20031031;第659-662页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114660360A (en) | 2022-06-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114660360B (en) | Lithium battery electrode plate welding resistance testing device | |
| CN111987656A (en) | Outer detection and repair device for cable insulation | |
| CN114858602A (en) | Storage battery performance testing device and testing method thereof | |
| CN107444982B (en) | Cable manufacture is with detecting coiling mechanism | |
| CN215451486U (en) | Battery case kludge | |
| CN201115958Y (en) | Board plug type closing mechanism | |
| CN212688525U (en) | Fabric water pressure resistance tester | |
| CN215343730U (en) | Clamping and fixing device for power cable | |
| CN219675688U (en) | Tensile testing device for polyethylene film bag | |
| CN112082850A (en) | Cable wetting and aging test platform | |
| CN218865645U (en) | Stretch-proofing detection device of domestic appliance power cord | |
| CN220809722U (en) | Novel water level measurement buoy | |
| CN112537377B (en) | Vehicle tire storage equipment for detecting spare tire at regular time | |
| CN115235893B (en) | Tensile test fixture device suitable for zinc-aluminum alloy welding wire | |
| CN219898238U (en) | Chemical reagent tube placement frame | |
| CN211480203U (en) | Defective pole piece removing device without diaphragm for sheet-making winder | |
| CN214927049U (en) | Geogrid stretching mechanism | |
| CN216386318U (en) | Concatenation formula automatic adjustment arm endurance testing arrangement | |
| CN214953653U (en) | Screen test fixture | |
| CN219391638U (en) | Concrete strength detection device | |
| CN216525391U (en) | Friction device for testing friction plate | |
| CN220040213U (en) | Detection device for high-voltage power cable test | |
| CN218625991U (en) | Natural gas pipeline plugging device | |
| CN219675690U (en) | Pipeline pressure testing device for water heating installation | |
| CN213651403U (en) | Machine pastes formula anti-fake sticky tape |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 523000 Room 102, No.16 Lianhu Road, Chang'an Town, Dongguan City, Guangdong Province Patentee after: Guangdong Rixin High Precision Technology Co.,Ltd. Address before: 523000 Room 102, No.16 Lianhu Road, Chang'an Town, Dongguan City, Guangdong Province Patentee before: Guangdong Rixin High Precision Technology Co.,Ltd. |