CN117420354A - Welding resistance testing device for electrode plate of lithium battery - Google Patents
Welding resistance testing device for electrode plate of lithium battery Download PDFInfo
- Publication number
- CN117420354A CN117420354A CN202311314383.5A CN202311314383A CN117420354A CN 117420354 A CN117420354 A CN 117420354A CN 202311314383 A CN202311314383 A CN 202311314383A CN 117420354 A CN117420354 A CN 117420354A
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- fixedly connected
- wall
- welding resistance
- resistance testing
- testing device
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 28
- 238000012360 testing method Methods 0.000 title claims abstract description 25
- 238000003466 welding Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 70
- 238000012546 transfer Methods 0.000 claims abstract description 58
- 238000004140 cleaning Methods 0.000 claims abstract description 16
- 238000001179 sorption measurement Methods 0.000 claims abstract description 15
- 238000005259 measurement Methods 0.000 claims abstract description 10
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000001360 synchronised effect Effects 0.000 claims description 17
- 238000009413 insulation Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract 1
- 230000009471 action Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 210000004209 hair Anatomy 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/91—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/344—Sorting according to other particular properties according to electric or electromagnetic properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0214—Articles of special size, shape or weigh
- B65G2201/022—Flat
-
- 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)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The invention relates to the technical field of resistance testing, in particular to a welding resistance testing device for electrode plates of lithium batteries, which comprises a measuring table, wherein a rectangular notch and a feeding hole are formed in the top of the measuring table in a penetrating manner, a transfer mechanism is rotatably arranged at the top of the measuring table, an adsorption mechanism is arranged on the transfer mechanism, a cleaning mechanism is movably arranged in the rectangular notch, a measuring instrument is arranged at the top of the measuring table, an output end of the measuring instrument is electrically connected with a fixing seat through an electric wire, the fixing seat is fixed at the rear position of the top of the measuring table, and two contacts distributed left and right are fixedly connected to the top of the fixing seat. Under the cooperation of transfer mechanism and carrier mechanism for transfer mechanism is carried the electrode slice to the left end after, is adsorbed by pivoted transfer mechanism and draws away, thereby has realized the automatic measurement material loading of running water formula, very big promotion the measuring rate of device, the convenience is measured a large amount of electrode slices, has promoted electrode slice welding resistance measurement productivity.
Description
Technical Field
The invention relates to the technical field of resistance testing, in particular to a welding resistance testing device for electrode plates of a lithium battery.
Background
The lithium battery electrode slice is simply the core of the battery, the electrode, one positive one negative, the electrode slice adopts the conducting strip, insulating strip and heating system and also has electric wire connected with outside, and dispose the temperature pick-up between insulating strip and conducting strip, the temperature pick-up both ends can be connected with terminal through the electric wire; when the lithium battery pack is used, the electrode plates are usually required to be welded and prolonged in order to connect a plurality of lithium batteries in series or in parallel, so that a plurality of lithium batteries form a battery pack for use.
According to the authorized bulletin number: the welding resistance testing device for the electrode plates of the lithium battery disclosed in CN 212622817U is based on a four-lead method measurement principle, can realize that the welding resistance of the electrode plates of the lithium battery is detected before the lithium battery is assembled, and is analyzed to be good or bad through the welding resistance, and when the device is specifically implemented, the two electrode plates of the lithium battery are respectively embedded into the two testing fixtures, then the system automatically applies a power supply to test, and the welding resistance testing device for the electrode plates of the lithium battery is discovered after the use:
the conventional lithium battery electrode plate welding resistance testing device needs to manually install the measuring electrode plate on the device and still relies on manual unloading after measurement, so that manual frequent operation is needed, the automation level is low, and the measuring efficiency is low.
Disclosure of Invention
Therefore, the invention provides a welding resistance testing device for electrode plates of lithium batteries, so as to solve the problems.
The invention provides the following technical scheme: the device comprises a measuring table, a measuring plate and a measuring plate, wherein the top of the measuring table is provided with a rectangular notch and a feeding hole in a penetrating way, and the rectangular notch is positioned at the left part of the feeding hole;
the top of the measuring table is rotatably provided with a transfer mechanism, the transfer mechanism is positioned between the rectangular notch and the feeding port, and the transfer mechanism is used for rotating the electrode plate;
the adsorption mechanism is arranged on the transfer mechanism and is used for magnetically attracting and fixing the electrode plates;
the cleaning mechanism is movably arranged in the rectangular notch and is used for cleaning the bottom of the electrode slice;
the measuring instrument is arranged at the top of the measuring table, the output end of the measuring instrument is electrically connected with a fixing seat through an electric wire, the fixing seat is fixed at the rear part of the top of the measuring table, and two contacts distributed left and right are fixedly connected to the top of the fixing seat.
As a preferable scheme of the invention, the transfer mechanism comprises a torsion shaft rod, a cross is fixedly connected to the middle part of the outer wall of the torsion shaft rod, the cross is in a cross shape, four sliding rods are connected to the inside of the cross in a sliding manner and distributed in a circumferential array, insulating transfer plates are fixedly connected to the bottoms of the sliding rods, L-shaped guide blocks are fixedly connected to the tops of the sliding rods, springs are fixedly connected to the bottoms of the L-shaped guide blocks, the tops of the springs are fixedly connected to the tops of the cross, and the springs are positioned on the periphery of the sliding rods;
the measuring device is characterized by further comprising a dome, wherein the dome is rotationally connected with the outer wall of the torsion shaft rod through a bearing, the top of the dome is fixedly connected with two support frames which are distributed left and right, and the two support frames are fixedly connected to the top of the measuring table.
As a preferable scheme of the invention, the top of the dome is fixedly connected with a three-phase motor, the bottom end of an output shaft of the three-phase motor is fixedly connected with the top end of the torsion shaft rod, the bottom of the dome is fixedly connected with three arc-shaped bosses, the three arc-shaped bosses are positioned at the front end, the rear end and the left end of the bottom of the dome, and the bottom of the arc-shaped bosses is abutted with the top of the L-shaped guide block.
As a preferable scheme of the invention, the adsorption mechanism comprises electromagnets, the electromagnets are fixedly arranged at the top of an insulation transfer plate, two electromagnets are fixedly arranged at the top of one insulation transfer plate, the output ends of the two electromagnets are commonly connected with a wire, the wire penetrates through a sliding rod and extends to the periphery of the top of the sliding rod, the number of the wires is four, one ends of the four wires, far away from the electromagnets, are fixedly connected with electric brushes, and the four electric brushes are respectively and fixedly connected to one side surface of the four L-shaped guide blocks, close to the torsion shaft lever;
the electric ring is fixedly connected to the bottom of the dome, the electric ring is located between the four electric brushes, the outer wall of the electric ring is in contact with one side of the periphery of the four electric brushes, a notch is formed in the outer wall of the right side of the electric ring, and the electric ring is electrically connected with an external circuit of the device.
As a preferable scheme of the invention, the cleaning mechanism comprises a brush body, the brush body is arranged in a rectangular notch in a sliding way, the top of the brush body is fixedly connected with a plurality of bristles, the bottom of the brush body is fixedly connected with a poking frame, the right end of the poking frame is fixedly connected with a swinging frame, tooth blocks are respectively arranged on the left wall and the right wall of the swinging frame, an arc gear is rotationally arranged in the swinging frame, the arc gear is alternately meshed with the two tooth blocks, and the inner wall of the arc gear is fixedly connected with the outer wall of a torsion shaft lever;
the brush is characterized by further comprising two guide rails which are distributed left and right, wherein the two guide rails are respectively arranged on the left wall and the right wall of the rectangular notch, the two guide posts which are distributed front and back are connected inside the two guide rails in a sliding manner, and the end parts of the four guide posts are respectively fixedly connected with the left side face and the right side face of the brush body.
As a preferable scheme of the invention, the outer walls of the sliding rods are fixedly connected with the limited torsion blocks, the limited torsion blocks are positioned at the bottom of the cross, the top of one end, far away from the cross, of each limited torsion block is fixedly connected with the limited torsion column, and the limited torsion columns penetrate through the cross in a sliding manner and extend to the periphery of the top of the cross.
As a preferable scheme of the invention, the front surface of the measuring table is rotationally provided with a carrying mechanism, the carrying mechanism comprises two first adapter seats which are distributed left and right, the interiors of the two first adapter seats are rotationally connected with carrying rollers, the outer walls of the front ends of the two carrying rollers are fixedly connected with synchronous wheels, a synchronous belt is sleeved between the two synchronous wheels, the outer wall of the synchronous belt is fixedly connected with a plurality of magnetic blocks, wherein the outer wall of one carrying roller positioned at the left end is fixedly connected with a driven worm gear, the right side of the driven worm gear is meshed with a driving worm gear, the inner wall of the driving worm gear is fixedly connected with the bottom of the outer wall of the torsion shaft lever, and the driving worm gear is positioned at the bottom of the arc gear.
As a preferable scheme of the invention, the magnetic attraction force of the magnetic block is smaller than the electromagnetic attraction force of the two electromagnets.
As a preferred scheme of the invention, the welding resistance testing device for the electrode plate of the lithium battery according to claim 1 is characterized in that: the utility model discloses a sorting mechanism, including the feed inlet, the feed inlet is fixed to be equipped with a sorting mechanism in the bottom, sorting mechanism includes two second adapter seats that distribute about, two the second adapter seats are located the opening part both sides of feed inlet, and two rotate between the second adapter seat and be connected with the direction frid, one of them fixedly connected with steering wheel on the lateral surface of second adapter seat, the output shaft tip and the axle head fixed connection of direction frid of steering wheel, the input and the output electric connection of measuring apparatu of steering wheel, two splendid attire barrels that distribute about have been placed to the bottom of measuring bench, two the splendid attire barrels distribute the bottom at the direction frid.
As a preferable scheme of the invention, the rotating radius tracks of the four insulating transfer plates are matched with the positions of the bristles, the synchronous belt and the feeding port.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, under the cooperation of the transfer mechanism and the carrying mechanism, after the transfer mechanism conveys the electrode plate to the left end, the electrode plate is absorbed and extracted by the rotating transfer mechanism, so that the automatic measurement and feeding of a running water type is realized, the measurement speed of the device is greatly improved, a large number of electrode plates are conveniently measured, and the measurement capacity of the welding resistance of the electrode plate is improved.
2. According to the invention, under the cooperation of the arc-shaped boss and the L-shaped guide block, after the L-shaped guide block passes over the lowest point of the arc-shaped boss, the L-shaped guide block is driven by the rebound resilience of the spring to drive the slide rod, the insulating transfer plate and the electrode plate which is adsorbed by electromagnetism to move upwards so as to be separated from the top of the magnetic block, the electrode plate is prevented from being deformed or scratched due to friction between the bottom of the electrode plate and the top of the magnetic block during the movement of the electrode plate, and simultaneously, when the L-shaped guide block moves to the lowest point of the arc-shaped boss on the back along with the rotation of the transfer mechanism, the bottom of the electrode plate is just contacted with the tops of the two contacts, so that the friction between the bottom of the electrode plate and the tops of the two contacts is prevented.
3. According to the invention, the arc gear is driven to rotate by rotating the torsion shaft rod in the transfer mechanism, so that the arc gear is alternately meshed with the two tooth blocks to drive the tooth blocks to swing back and forth, the brush body is further driven to swing back and forth under the connection action of the shifting frame, and then the plurality of brush hairs swing back and forth, dust at the bottom of the electrode plate is cleaned, and good contact conductive effect of the bottom of the electrode plate is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a detailed schematic of the present invention;
FIG. 3 is a schematic view of the bottom structure of the present invention;
FIG. 4 is a schematic view of the enlarged partial structure of the invention A of FIG. 3;
FIG. 5 is a schematic view of a transfer mechanism according to the present invention;
FIG. 6 is a schematic view of a cleaning mechanism according to the present invention;
FIG. 7 is a schematic view of a transfer mechanism and an adsorption mechanism according to the present invention;
FIG. 8 is a detailed schematic of the adsorption mechanism of the present invention.
In the figure: 1. a measuring station; 2. a transfer mechanism; 3. an adsorption mechanism; 4. a cleaning mechanism; 5. a carrying mechanism; 6. a sorting mechanism; 7. a measuring instrument; 8. a fixing seat; 9. a contact; 10. a containing barrel; 101. a rectangular notch; 102. a feed port; 201. twisting the shaft lever; 202. a cross; 203. a slide bar; 204. an insulation transfer plate; 205. an L-shaped guide block; 206. a spring; 207. a three-phase motor; 208. a torsion limiting block; 209. a torsion limiting column; 2010. arc-shaped bosses; 2011. a dome; 2012. a frame; 301. an electromagnet; 302. a wire; 303. a brush; 304. an electrical ring; 305. a notch; 401. a brush body; 402. brushing; 403. a shifting frame; 404. a swinging frame; 405. tooth blocks; 406. an arc gear; 407. a guide rail; 408. a guide post; 501. a first adapter; 502. a carrying roller; 503. a synchronizing wheel; 504. a synchronous belt; 505. a magnetic block; 506. a passive worm gear; 507. a driving worm gear; 601. the second adapter seat; 602. a guide groove plate; 603. steering engine.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: referring to fig. 1-8, a welding resistance testing device for electrode plates of lithium batteries comprises a measuring table 1, wherein a rectangular notch 101 and a feeding hole 102 are formed in the top of the measuring table 1 in a penetrating manner, the rectangular notch 101 is located at the left part of the feeding hole 102, a transfer mechanism 2 is rotatably arranged at the top of the measuring table 1, the transfer mechanism 2 is located between the rectangular notch 101 and the feeding hole 102, the transfer mechanism 2 is used for rotating the electrode plates, an adsorption mechanism 3 is arranged on the transfer mechanism 2, the adsorption mechanism 3 is used for fixing magnetic attraction of the electrode plates, a cleaning mechanism 4 is movably arranged in the rectangular notch 101, the cleaning mechanism 4 is used for cleaning the bottoms of the electrode plates, a measuring instrument 7 is arranged at the top of the measuring table 1, a fixing seat 8 is electrically connected to the output end of the measuring instrument 7, the fixing seat 8 is fixed at the position, close to the back of the top of the measuring table 1, and two contacts 9 distributed left and right are fixedly connected to the top of the fixing seat 8.
In this embodiment, referring to fig. 2, 3, 5, 7 and 8, the transfer mechanism 2 includes a torsion shaft 201, a cross 202 is fixedly connected to the middle part of the outer wall of the torsion shaft 201, the cross 202 is disposed in a cross shape, four sliding bars 203 are slidably connected to the inside of the cross 202, the four sliding bars 203 are distributed in a circumferential array, the bottoms of the sliding bars 203 are all fixedly connected to an insulating transfer plate 204, the tops of the sliding bars 203 are all fixedly connected to an L-shaped guide block 205, the bottoms of the L-shaped guide block 205 are fixedly connected to a spring 206, the top of the spring 206 is fixedly connected to the top of the cross 202, the spring 206 is located at the periphery of the sliding bar 203, and further includes a dome 2011, the dome 2011 is rotatably connected to the outer wall of the torsion shaft 201 through a bearing, the top of the dome 2011 is fixedly connected to two left and right distributed support frames 2012, the top of the dome 2011 is fixedly connected to a three-phase motor 207, and the bottom end of the three-phase motor 207 is fixedly connected to the top of the torsion shaft 201;
specifically, the output shaft of the three-phase motor 207 directly drives the torsion shaft lever 201 to rotate clockwise, so as to drive the cross 202 and the four sliding rods 203 to rotate, further drive the insulating transfer plate 204 fixedly connected with the sliding rods 203 to rotate synchronously, and drive the electrode plates adsorbed at the bottom of the insulating transfer plate 204 to operate, thereby realizing automatic measurement and feeding.
In this embodiment, referring to fig. 5 and 7, three arc-shaped bosses 2010 are fixedly connected to the bottom of the dome 2011, and the three arc-shaped bosses 2010 are located at the front end, the rear end and the left end of the bottom of the dome 2011, and the bottom of the arc-shaped boss 2010 abuts against the top of the L-shaped guide block 205;
specifically, when the insulation transfer plate 204 rotates to the front end, the L-shaped guide block 205 and the sliding rod 203 are pushed downwards under the downward guiding action of an arc boss 2010 at the top of the insulation transfer plate 204, the insulation transfer plate 204 is driven to move downwards, when the L-shaped guide block 205 moves to the lowest point of the arc boss 2010, the bottom of the insulation transfer plate 204 is just contacted with the top of the electrode plate, along with the continuous rotation of the torsion shaft rod 201, the absorbed electrode plate is driven to move along the radial direction of the torsion shaft rod 201, during the period, after the L-shaped guide block 205 passes over the lowest point of the arc boss 2010, the L-shaped guide block 205 is driven to move upwards under the resilience action of the spring 206, so that the sliding rod 203, the insulation transfer plate 204 and the electromagnetically absorbed electrode plate are driven to be separated from the top of the magnetic block 505, the bottom of the electrode plate is prevented from rubbing against the top of the magnetic block 505 during the movement of the electrode plate, and the electrode sheet is deformed or scratched, then the L-shaped guide block 205 is continuously downwards guided by the arc-shaped boss 2010 at the position in the process that the electrode sheet moves to the top of the rectangular notch 101 along the radial direction of the torsion shaft 201, so that the L-shaped guide block 205 is downwards pushed together with the sliding rods 203, the bottom of the electrode sheet is fully contacted with the tops of the plurality of bristles 402, the bottom of the electrode sheet can be fully cleaned, the cleaned electrode sheet is moved to the position right above the fixed seat 8, the top of the L-shaped guide block 205 is subjected to the downwards guiding action of the arc-shaped boss 2010 at the upper end of the fixed seat 8 in the moving process, the L-shaped guide block 205 is downwards pushed together with the sliding rods 203 again, the electrode sheet is further driven to downwards move again, and when the L-shaped guide block 205 moves to the lowest point of the arc-shaped boss 2010, the bottom of the electrode sheet is just contacted with the tops of the two contacts 9, thereby avoiding friction between the bottom of the electrode plate and the tops of the two contacts 9.
In this embodiment, referring to fig. 5, 7 and 8, the adsorption mechanism 3 includes an electromagnet 301, the electromagnet 301 is fixedly mounted on the top of the insulating transfer plate 204, two electromagnets 301 are fixedly mounted on the top of one insulating transfer plate 204, the output ends of the two electromagnets 301 are commonly connected with a wire 302, the wire 302 penetrates through the sliding rod 203 and extends to the top periphery of the sliding rod, the number of the wires 302 is four, one ends of the four wires 302, which are far away from the electromagnets 301, are fixedly connected with brushes 303, the four brushes 303 are respectively and fixedly connected to one side surface of the four L-shaped guide blocks 205, which is close to the torsion shaft 201, and further includes an electric ring 304, the electric ring 304 is fixedly connected to the bottom of the dome 2011, the electric ring 304 is located between the four brushes 303, the outer wall of the electric ring 304 is in contact with one side of the periphery of the four brushes 303, a notch 305 is formed in the outer wall of the right side of the electric ring 304, and the electric ring 304 is electrically connected with an external circuit of the device;
specifically, since the electric ring 304, the electric brush 303 and the wire 302 are powered to the electromagnet 301, the electromagnet 301 generates electromagnetic attraction force to attract the electrode plate, and the electromagnetic attraction force of the electromagnet 301 is greater than the magnetic force of the magnetic block 505, so that the electrode plate is attracted away from the magnetic block 505, and rotates along with the insulating transfer plate 204, the procedures of ash removal, detection and the like are sequentially performed, when the electrode plate is rotated to the top of the feed port 102, the electric brush 303 just rotates into the notch 305, at the moment, the electric brush 303 and the outer wall of the electric ring 304 are released from conductivity, the two electromagnets 301 have no electromagnetic attraction force after losing power, and the electrode plate falls into the feed port 102 after losing attraction force, so that the unloading of the electrode plate is automatically controlled, and the convenience of use is greatly improved.
In this embodiment, referring to fig. 4 and 6, the cleaning mechanism 4 includes a brush body 401, the brush body 401 is slidably disposed in the rectangular notch 101, a plurality of bristles 402 are fixedly connected to the top of the brush body 401, a shifting frame 403 is fixedly connected to the bottom of the brush body 401, a swinging frame 404 is fixedly connected to the right end of the shifting frame 403, tooth blocks 405 are respectively disposed on the left wall and the right wall of the swinging frame 404, an arc gear 406 is rotatably disposed in the swinging frame 404, the arc gear 406 is alternately meshed with the two tooth blocks 405, and the inner wall of the arc gear 406 is fixedly connected to the outer wall of the torsion shaft 201;
specifically, when the torsion shaft 201 rotates, the arc gear 406 is driven to rotate, so that the torsion shaft is alternately meshed with the two tooth blocks 405 to drive the tooth blocks 405 to swing back and forth, and further the brush body 401 is driven to swing back and forth under the connection action of the poking frame 403, so that the plurality of brush hairs 402 swing back and forth, dust at the bottom of the electrode plate is cleaned, and good contact conductive effect of the bottom of the electrode plate is ensured;
and also comprises two guide rails 407 distributed left and right, the two guide rails 407 are respectively arranged on the left wall and the right wall of the rectangular notch 101, the inside of the two guide rails 407 is slidably connected with two guide posts 408 which are distributed in front and back, and the end parts of the four guide posts 408 are fixedly connected with the left side surface and the right side surface of the brush body 401 respectively;
specifically, by setting the sliding effect of the guide rail 407 and the guide post 408, the brush body 401 is precisely guided in sliding, so that the stability and fluency of the swinging of the brush body 401 are ensured, and the ash cleaning effect of the brush hair 402 is improved.
In this embodiment, referring to fig. 3 and 8, the outer walls of the sliding rods 203 are fixedly connected with a torsion limiting block 208, the torsion limiting block 208 is located at the bottom of the cross 202, one end top of the torsion limiting block 208, which is far away from the cross 202, is fixedly connected with a torsion limiting column 209, and the torsion limiting column 209 slides through the cross 202 and extends to the top periphery thereof;
specifically, the torsion limiting block 208 is arranged to connect the torsion limiting column 209 and the sliding rod 203, so that the sliding rod 203 is prevented from twisting in the cross 202 while the sliding rod 203 is ensured to move up and down along the cross 202 under the sliding action of the torsion limiting column 209 and the cross 202, and the contact stability of the L-shaped guide block 205 and the arc-shaped boss 2010 is ensured.
In this embodiment, referring to fig. 2 and 3, the front surface of the measuring table 1 is rotatably provided with a carrying mechanism 5, the carrying mechanism 5 includes two first adapter seats 501 distributed left and right, the interiors of the two first adapter seats 501 are rotatably connected with carrying rollers 502, the front end outer walls of the two carrying rollers 502 are fixedly connected with synchronizing wheels 503, a synchronous belt 504 is sleeved between the two synchronizing wheels 503, the outer wall of the synchronous belt 504 is fixedly connected with a plurality of magnets 505, wherein the outer wall of one carrying roller 502 positioned at the left end is fixedly connected with a driven worm gear 506, the right side of the driven worm gear 506 is meshed with a driving worm gear 507, the inner wall of the driving worm gear 507 is fixedly connected with the bottom of the outer wall of the torsion shaft 201, and the driving worm gear 507 is positioned at the bottom of the arc gear 406;
specifically, when the torsion shaft 201 drives the driving worm gear 507 to rotate, so that the engaged driven worm gear 506 is driven, so as to drive the carrying roller 502 connected with the driven worm gear 506 to rotate, and further drive the carrying mechanism 5 to integrally operate, so that the synchronous belt 504 operates anticlockwise, at this time, the assembly line operator regularly places the welded electrode slices on the magnetic block 505 at the top of the synchronous belt 504, and the electrode slices are conveyed to the left by being attracted by the magnetic force of the magnetic block 505.
In this embodiment, referring to FIG. 3, the magnetic attraction force of magnet 505 is less than the electromagnetic attraction force of two electromagnets 301;
specifically, the electromagnetic attraction force of the electromagnet 301 is set to be larger than the magnetic attraction force of the magnetic block 505, so that the absolute adsorption effect of the electromagnet 301 on the electrode plate at the top of the magnetic block 505 is ensured, the situation that the electrode plate cannot be effectively attracted away by the electromagnet 301 is avoided, and the reasonable flow operation of the device is further ensured.
In this embodiment, referring to fig. 3, a sorting mechanism 6 is fixedly arranged at the bottom of the feeding port 102, the sorting mechanism 6 includes two second adapter seats 601 distributed left and right, the two second adapter seats 601 are located at two sides of the opening of the feeding port 102, a guiding groove plate 602 is rotatably connected between the two second adapter seats 601, a steering engine 603 is fixedly connected to the outer side surface of one second adapter seat 601, the end of an output shaft of the steering engine 603 is fixedly connected with the shaft end of the guiding groove plate 602, the input end of the steering engine 603 is electrically connected with the output end of the measuring instrument 7, two containing barrels 10 distributed front and back are placed at the bottom of the measuring table 1, and the two containing barrels 10 are distributed at the bottom of the guiding groove plate 602;
specifically, after measuring the data by the measuring instrument 7, the steering engine 603 is further adjusted, so that the guiding groove plate 602 is driven by the output shaft of the steering engine 603 to turn forwards or to the right, and the qualified products and the unqualified products are classified and put into the two containing barrels 10 at the bottom, so that the qualified products and the unqualified products are separately stored, and the unqualified products are prevented from being mixed together and inconvenient to distinguish.
In this embodiment, referring to fig. 2, the rotation radius trajectories of the four insulating transfer plates 204 coincide with the positions of the bristles 402, the timing belt 504, the feed port 102 and the contacts 9;
specifically, the rotation radius tracks of the four insulating transfer plates 204 are matched with the positions of the bristles 402, the synchronous belt 504 and the feeding port 102, so that the insulating transfer plates 204 accurately adsorb the electrode plates at the upper ends of the magnetic blocks 505 in the radial movement process of the torsion shaft rod 201, the electrode plates are conveyed to the tops of the bristles 402 for cleaning, and the cleaned electrode plates are accurately conveyed to the tops of the two fixing seats 8 for resistance measurement and then accurately conveyed to the tops of the feeding port 102 for feeding and unloading.
When the lithium battery electrode slice welding resistance testing device works, firstly, the measuring instrument 7 and the three-phase motor 207 are electrified and started, an output shaft after the three-phase motor 207 is started directly drives the torsion shaft lever 201 to rotate clockwise, the cross 202 and the four slide bars 203 are driven to rotate, the insulating transfer plate 204 fixedly connected with the slide bars 203 is further driven to rotate synchronously, the torsion shaft lever 201 also drives the driving worm gear 507 to rotate during the period, and further drives the meshed driven worm gear 506 to be driven, thereby driving the carrying roller 502 connected with the driven worm gear 506 to rotate, further driving the carrying mechanism 5 to integrally operate, so that the synchronous belt 504 runs anticlockwise, at the moment, pipeline operators regularly place the welded electrode slices at the upper end of the magnetic block 505 at the top of the synchronous belt 504 and are adsorbed by the magnetic force of the magnetic block 505 to convey the electrode slices to the left side, because the number of teeth of the passive worm gear 506, the number of teeth of the active worm gear 507, the diameter of the synchronous wheel 503 and the length of the synchronous belt 504 are all matched and used through cooperation calculation, when the synchronous belt 504 conveys one electrode plate to the leftmost end, exactly one insulating transfer plate 204 rotates to the positive front end of the device and is positioned at the top of the electrode plate, and when the insulating transfer plate 204 rotates to the top of the electrode plate, the L-shaped guide block 205 and the slide bar 203 are pushed downwards under the downward guiding action of an arc-shaped boss 2010 at the top of the insulating transfer plate, the insulating transfer plate 204 is driven to move downwards, when the L-shaped guide block 205 moves to the lowest point of the arc-shaped boss 2010, the bottom of the insulating transfer plate 204 just contacts with the top of the electrode plate, and as the electric ring 304, the electric brush 303 and the lead 302 are supplied with power to the electromagnet 301, the electromagnet 301 generates electromagnetic adsorption force, the electrode plate is adsorbed, the electromagnetic adsorption force of the electromagnet 301 is larger than the magnetic force of the magnetic block 505, so that the electrode plate is sucked away from the magnetic block 505, the adsorbed electrode plate is driven to move along the radial direction of the torsion shaft 201 along with the continuous rotation of the torsion shaft 201, the L-shaped guide block 205 passes through the lowest point of the arc-shaped boss 2010 and then is driven to move upwards under the rebound resilience effect of the spring 206, so that the electrode plate is separated from the top of the magnetic block 505, and the bottom of the electrode plate is prevented from rubbing with the top of the magnetic block 505 during the movement of the electrode plate, so that the electrode plate is prevented from deforming or scratching;
then in the process that the electrode plate moves to the top of the rectangular notch 101 along the radial direction of the torsion shaft rod 201, the L-shaped guide block 205 is continuously guided downwards by the arc-shaped boss 2010 at the position, so that the L-shaped guide block 205 and the sliding rod 203 are pushed downwards, the bottom of the electrode plate is fully contacted with the tops of the plurality of bristles 402, the torsion shaft rod 201 rotates to drive the arc-shaped gear 406 to rotate, so that the two tooth blocks 405 are alternately meshed to drive the tooth blocks 405 to swing back and forth, the brush body 401 is further driven to swing back and forth under the connection effect of the shifting frame 403, the plurality of bristles 402 are further driven to swing back and forth, dust at the bottom of the electrode plate is cleaned, good contact conductive effect is ensured, then along with the continuous rotation of the torsion shaft rod 201, the cleaned electrode plate is moved to the position right above the fixed seat 8 in the moving process, the top of the L-shaped guide block 205 is subjected to the downward guiding action of the arc-shaped boss 2010 positioned at the upper end of the fixed seat 8, the L-shaped guide block 205 and the sliding rod 203 are pushed downwards again, the electrode plate is further driven to move downwards again, when the L-shaped guide block 205 moves to the lowest point of the arc-shaped boss 2010, the bottom of the electrode plate is just contacted with the tops of the two contacts 9, so that friction between the bottom of the electrode plate and the tops of the two contacts 9 is avoided, a guide path is formed between the two contacts 9 through the contact with the bottom of the electrode plate, at the moment, the measuring instrument 7 detects the measured data of the resistance of the electrode plate by the two contacts 9, the resistance measuring means adopts the prior art mode, not described too much, the measured electrode plate continues to move towards the feed opening 102 along with the rotation of the torsion shaft 201, when the electrode plate moves to the top of the feed opening 102, the electric brush 303 just rotates into the notch 305, at the moment, the electric brush 303 and the outer wall of the electric ring 304 are released from the conductivity, the two electromagnets 301 lose power and then have no electromagnetic suction force, the electrode plates fall into the feed port 102 after losing the suction force, and after measuring data by the measuring instrument 7, the steering engine 603 is further regulated, so that the guide groove plates 602 are driven by the output shafts of the steering engine 603 to turn forwards or to the right, and qualified products and unqualified products are classified and put into the two bottom containing barrels 10.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A welding resistance testing device for electrode plates of lithium batteries is characterized in that: comprises the following steps:
the measuring device comprises a measuring table (1), wherein a rectangular notch (101) and a feeding hole (102) are formed in the top of the measuring table (1) in a penetrating mode, and the rectangular notch (101) is located at the left part of the feeding hole (102);
the top of the measuring table (1) is rotatably provided with a transfer mechanism (2), the transfer mechanism (2) is positioned between the rectangular notch (101) and the feeding port (102), and the transfer mechanism (2) is used for rotating the electrode plate;
the adsorption mechanism (3) is arranged on the transfer mechanism (2), and the adsorption mechanism (3) is used for magnetically attracting and fixing the electrode plates;
the cleaning mechanism (4) is movably arranged in the rectangular notch (101), and the cleaning mechanism (4) is used for cleaning the bottom of the electrode slice;
the measuring instrument comprises a measuring table (1), wherein the top of the measuring table (1) is provided with the measuring instrument (7), the output end of the measuring instrument (7) is electrically connected with a fixing seat (8) through an electric wire, the fixing seat (8) is fixed at the rear part of the top of the measuring table (1), and two contacts (9) distributed left and right are fixedly connected to the top of the fixing seat (8).
2. The welding resistance testing device for electrode plates of lithium batteries according to claim 1, wherein: the transfer mechanism (2) comprises a torsion shaft rod (201), a cross (202) is fixedly connected to the middle part of the outer wall of the torsion shaft rod (201), the cross (202) is in a cross-shaped arrangement, four sliding rods (203) are slidably connected to the inside of the cross (202), the four sliding rods (203) are distributed in a circumferential array, insulating transfer plates (204) are fixedly connected to the bottoms of the sliding rods (203), L-shaped guide blocks (205) are fixedly connected to the tops of the sliding rods (203), springs (206) are fixedly connected to the bottoms of the L-shaped guide blocks (205), the tops of the springs (206) are fixedly connected with the tops of the cross (202), and the springs (206) are located on the periphery of the sliding rods (203);
still including dome (2011), dome (2011) are connected through the outer wall rotation of bearing and torsion axostylus axostyle (201), just the top fixedly connected with of dome (2011) two support frame (2012) of controlling the distribution, two support frame (2012) fixed connection is at the top of measuring table (1).
3. The welding resistance testing device for electrode plates of lithium batteries according to claim 2, wherein: the top fixedly connected with three-phase motor (207) of calotte (2011), the output shaft bottom of three-phase motor (207) and the top fixed connection of torsion axostylus axostyle (201), the bottom fixedly connected with of calotte (2011) three arc boss (2010) are located the bottom front end, the bottom rear end and the bottom left end of calotte (2011), just the bottom of arc boss (2010) and the top butt of L shape guide block (205).
4. The welding resistance testing device for electrode plates of lithium batteries according to claim 1, wherein: the adsorption mechanism (3) comprises electromagnets (301), wherein the electromagnets (301) are fixedly arranged at the top of an insulation transfer plate (204), two electromagnets (301) are fixedly arranged at the top of one insulation transfer plate (204), the output ends of the two electromagnets (301) are commonly connected with a wire (302), the wire (302) penetrates through a sliding rod (203) and extends to the periphery of the top of the wire, the number of the wires (302) is four, one ends, far away from the electromagnets (301), of the wires (302) are fixedly connected with electric brushes (303), and the four electric brushes (303) are respectively and fixedly connected to one side surface, close to a torsion shaft lever (201), of the four L-shaped guide blocks (205);
the electric ring (304) is fixedly connected to the bottom of the dome (2011), the electric ring (304) is located between the four electric brushes (303), the outer wall of the electric ring (304) is in contact with one side of the periphery of the four electric brushes (303), a notch (305) is formed in the outer wall of the right side of the electric ring (304), and the electric ring (304) is electrically connected with an external circuit of the device.
5. The welding resistance testing device for electrode plates of lithium batteries according to claim 1, wherein: the cleaning mechanism (4) comprises a brush body (401), the brush body (401) is slidably arranged in the rectangular notch (101), the top of the brush body (401) is fixedly connected with a plurality of bristles (402), the bottom of the brush body (401) is fixedly connected with a poking frame (403), the right end of the poking frame (403) is fixedly connected with a swinging frame (404), tooth blocks (405) are respectively arranged on the left wall and the right wall of the swinging frame (404), an arc gear (406) is rotatably arranged in the swinging frame (404), the arc gear (406) is alternately meshed with the two tooth blocks (405), and the inner wall of the arc gear (406) is fixedly connected with the outer wall of the torsion shaft lever (201);
the novel brush is characterized by further comprising two guide rails (407) which are distributed left and right, wherein the two guide rails (407) are respectively arranged on the left wall and the right wall of the rectangular notch (101), the inside of the two guide rails (407) is connected with two guide posts (408) which are distributed front and back in a sliding manner, and the end parts of the four guide posts (408) are respectively fixedly connected with the left side face and the right side face of the brush body (401).
6. The welding resistance testing device for electrode plates of lithium batteries according to claim 2, wherein: the limited torsion blocks (208) are fixedly connected to the outer walls of the sliding rods (203), the limited torsion blocks (208) are located at the bottom of the cross (202), the limited torsion blocks (208) are far away from one end top of the cross (202), the limited torsion columns (209) are fixedly connected to one end top of the cross (202), and the limited torsion columns (209) penetrate through the cross (202) in a sliding mode and extend to the top periphery of the cross.
7. The welding resistance testing device for electrode plates of lithium batteries according to claim 1, wherein: the front rotation of measurement table (1) is equipped with carrier mechanism (5), carrier mechanism (5) are including two first adapter seats (501) of controlling the distribution, two the inside of first adapter seat (501) is all rotated and is connected with carrier roller (502), two equal fixedly connected with synchronizing wheel (503) on the front end outer wall of carrier roller (502), two overlap jointly between synchronizing wheel (503) is equipped with a hold-in range (504), fixedly connected with a plurality of magnetic path (505) on the outer wall of hold-in range (504), wherein be located on the outer wall of a carrier roller (502) of left end passive worm gear (506), the right side meshing of passive worm gear (506) has initiative worm gear (507), the inner wall of initiative worm gear (507) is with the outer wall bottom fixed connection of torsion axostylus axostyle (201), initiative worm gear (507) are located the bottom of arc gear (406).
8. The welding resistance testing device for electrode plates of lithium batteries according to claim 7, wherein: the magnetic attraction force of the magnetic block (505) is smaller than the electromagnetic attraction force of the two electromagnets (301).
9. The welding resistance testing device for electrode plates of lithium batteries according to claim 1, wherein: the utility model discloses a sorting mechanism, including feeding hole (102), sorting mechanism (6) are including two second adapter (601) of controlling the distribution, two second adapter (601) are located the opening part both sides of feeding hole (102), and two rotate between second adapter (601) and be connected with direction frid (602), one of them fixedly connected with steering wheel (603) on the lateral surface of second adapter (601), the output shaft end and the axle head fixed connection of direction frid (602) of steering wheel (603), the input of steering wheel (603) and the output electric connection of measuring apparatu (7), two barreled (10) of distributing around the bottom of measuring table (1) have been placed, two barreled (10) are distributed in the bottom of direction frid (602).
10. The welding resistance testing device for electrode plates of lithium batteries according to claim 2, wherein: the rotating radius tracks of the four insulating transfer plates (204) are matched with the positions of the bristles (402), the synchronous belt (504) and the feeding port (102).
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