CN215750958U - Matched pole piece tape-splicing pressure lever device of battery pole piece rolling machine - Google Patents

Matched pole piece tape-splicing pressure lever device of battery pole piece rolling machine Download PDF

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Publication number
CN215750958U
CN215750958U CN202121067416.7U CN202121067416U CN215750958U CN 215750958 U CN215750958 U CN 215750958U CN 202121067416 U CN202121067416 U CN 202121067416U CN 215750958 U CN215750958 U CN 215750958U
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China
Prior art keywords
pole piece
battery pole
pressure lever
matched
rolling machine
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CN202121067416.7U
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叶培卿
詹重庆
林景灿
胡泽文
林文星
陈风怀
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Quanzhou Yintai Battery Co ltd
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Quanzhou Yintai Battery Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model relates to a pole piece splicing pressure lever device matched with a battery pole piece rolling machine, which comprises a battery pole piece splicing platform for placing an external battery pole piece, a pressure lever arranged on the battery splicing platform in a lifting way, and a lifting driving device arranged on the battery pole piece splicing platform and used for driving the pressure lever to lift, wherein a pressure plate used for being matched with the battery pole piece splicing platform to press the external battery pole piece is detachably arranged on the pressure lever, a distance adjusting device used for adjusting the distance between the pressure plate and the pressure lever is arranged on the pressure lever, and an isolating device used for isolating the pressure plate from the lifting driving device is arranged between the pressure plate and the lifting driving device on the pressure lever.

Description

Matched pole piece tape-splicing pressure lever device of battery pole piece rolling machine
Technical Field
The utility model relates to the technical field of battery manufacturing, in particular to a matched pole piece tape-connecting pressure lever device of a battery pole piece rolling machine.
Background
Lithium-ion batteries are widely used in various fields, such as electronic products, electric tools, electric vehicles, and energy storage fields, due to their high energy density, no memory effect, small self-discharge, and long cycle life.
The lithium ion single battery mainly comprises a positive electrode, a negative electrode, a diaphragm and electrolyte. When metallic impurities such as iron (Fe) and copper (Cu) are present in the positive electrode, and in the formation stage (charging) after the battery is manufactured, when the voltage reaches the oxidation-reduction potential of these impurities, the impurities are oxidized from the positive electrode and then reduced on the negative electrode. When the elemental iron at the cathode is accumulated to a certain degree, the hard edges of the deposited iron can pierce the diaphragm and cause micro short circuit, further resulting in self-discharge. After piercing the septum, the resulting self-discharge is accelerated. The electrolyte salt gradually releases Hydrogen Fluoride (HF) gas in the process, the Hydrogen Fluoride (HF) gas oxidizes the simple substance Fe to form stable FeF3, even FeF3.3H2O, and finally forms a protrusion due to poor electronic conductivity of the FeF3, so that the protrusion is directly contacted with SEI films of the positive electrode and the negative electrode, and the performance of the battery is influenced finally. Therefore, the metal foreign matter is strictly controlled during the battery manufacturing process to ensure the battery performance. However, in the use process of the battery pole piece rolling machine at present, the operation of changing the roll and splicing the belt needs to be carried out on the battery pole piece, which specifically comprises the following steps: when the pole pieces of the same polarity are about to be used up on the winding device, another roll of unused pole pieces and the pole pieces about to be used up need to be manually connected together to continue production (for example, the tail end of the original tape and the initial section of the new tape are connected through an adhesive strip).
At present, in order to carry out the operation of taking of changing a roll of pole piece, the position of use tool to the pole piece that does not use yet and the pole piece that will use up limits, and not only fixed position effect is poor, can't realize reliable location, and in the use, the elasticity of difficult adjustment location moreover causes the damage of battery pole piece easily, and metal foreign matter or the oil stain on the instrument simultaneously bring into the battery pole piece easily, influence the wholeness ability of battery.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the problems, the utility model provides a matched pole piece tape-connecting pressure rod device of a battery pole piece rolling machine.
In order to achieve the technical problem, the solution adopted by the utility model is a pole piece splicing pressure lever device matched with a battery pole piece rolling machine, which comprises a battery pole piece splicing platform for placing an external battery pole piece, a pressure lever arranged on the battery splicing platform in a lifting way, and a lifting driving device arranged on the battery pole piece splicing platform and used for driving the pressure lever to lift, wherein a pressure plate used for being matched with the battery pole piece splicing platform to press the external battery pole piece is detachably arranged on the pressure lever, a distance adjusting device used for adjusting the distance between the pressure plate and the pressure lever is arranged on the pressure lever, and an isolating device used for isolating the pressure plate from the lifting driving device is arranged between the pressure plate and the lifting driving device on the pressure lever.
The further improvement is that: the distance adjusting device comprises a threaded rod and guide rods, wherein the threaded rod is arranged on the pressing rod in a penetrating mode and used for driving the pressing plate to lift, the guide rods are arranged on the pressing rod in a penetrating mode and located on two sides of the threaded rod, the lower end of each threaded rod is rotatably connected with the pressing plate, and the lower end of each guide rod is in threaded connection with the pressing plate.
The further improvement is that: the fixed swivel mount that is provided with of threaded rod lower extreme, the pressure strip up end is provided with the confession swivel mount pivoted holding tank, lie in on the pressure strip can dismantle on the holding tank and be provided with and be used for the restriction the swivel mount breaks away from the stopper of holding tank.
The further improvement is that: and a hand wheel used for driving the threaded rod to rotate is arranged at the upper end of the threaded rod.
The further improvement is that: the pressing plate is sleeved with a rubber sleeve.
The further improvement is that: the isolating device comprises a mounting plate which can be detachably arranged on the pressure rod, a telescopic plate which can be telescopically arranged on the mounting plate, and a compression spring which is arranged between the mounting plate and the telescopic plate.
The further improvement is that: the lower end face of the expansion plate is detachably provided with a rubber pad.
The further improvement is that: the rubber pad upper end is provided with the erection column, the expansion plate lower extreme is provided with and supplies erection column male mounting groove.
The further improvement is that: the rubber pad is a polyurethane rubber pad.
The further improvement is that: the lifting driving device is a telescopic motor fixedly arranged on the battery pole piece tape splicing platform and positioned at two ends of the pressure rod, and the output end of the telescopic motor is fixedly connected with the pressure rod.
By adopting the technical scheme, the utility model has the beneficial effects that: be provided with roll adjustment device for the adjustable pressure strip of staff compresses tightly the elasticity of battery pole piece, prevents that battery pole piece from damaging the wholeness ability that influences the battery.
The further effects are as follows: be provided with isolating device, can keep apart pressure strip and lift drive arrangement, prevent that metal powder or oil stain on the lift drive arrangement from bringing into the overall performance that influences the battery in the battery pole piece.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a pitch adjusting device according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of the present invention corresponding to FIG. 2A;
fig. 4 is a schematic structural diagram of an isolation device in an embodiment of the utility model.
Reference numbers in the figures: the device comprises a battery pole piece tape splicing platform 1, a pressure lever 2, a pressure strip 3, a threaded rod 4, a guide rod 5, a rotating table 6, a limiting block 7, a hand wheel 8, a rubber sleeve 9, a mounting plate 10, a telescopic plate 11, a compression spring 12, a sliding groove 13, a rubber pad 14, a mounting column 15 and a telescopic motor 16.
Detailed Description
The utility model will now be further described with reference to the accompanying drawings and specific embodiments.
Example (c);
referring to fig. 1 to 4, a matched pole piece splicing pressure bar device of a battery pole piece rolling machine, including a battery pole piece splicing platform 1 (which is a prior art and is not described here), which is used for placing an external battery pole piece, a pressure bar 2 which is arranged on the battery pole piece splicing platform in a lifting manner, a lifting driving device which is arranged on the battery pole piece splicing platform 1 and is used for driving the pressure bar 2 to lift, a pressure plate 3 which is used for compressing the external battery pole piece in a matching manner with the battery pole piece splicing platform 1 is detachably arranged on the pressure bar 2, a distance adjusting device which is used for adjusting the distance between the pressure plate 3 and the pressure bar 2 is arranged on the pressure bar 2, and an isolating device which is used for isolating the pressure plate 3 from the lifting driving device is arranged between the pressure plate 3 and the lifting driving device on the pressure bar 2.
The roll adjustment device includes that the screw thread wears to locate the threaded rod 4 that is used for driving pressure strip 3 to go up and down on depression bar 2, wear to locate the guide bar 5 that lies in 4 both sides positions of threaded rod on the depression bar 2, tip and 3 rotatable coupling of pressure strip under the threaded rod 4, tip and 3 threaded connection of pressure strip under the guide bar 5, wherein, the fixed rotation platform 6 that is provided with of 4 lower extremes of threaded rod, pressure strip 3 up end is provided with and supplies to rotate 6 pivoted holding tanks of platform, lie in the holding tank position and can dismantle through the bolt and be provided with stopper 7 that is used for restricting rotation platform 6 and breaks away from the holding tank on the pressure strip 3, when making rotation threaded rod 4, can drive pressure strip 3 and go up and down, and then reach the function of interval between adjustment pressure strip 3 and the depression bar 2, and then make the adjustable 3 tightness that compresses tightly battery sheet of staff.
In order that the staff conveniently rotate the threaded rod 4 and carry out the roll adjustment, the upper end of the threaded rod 4 is provided with a hand wheel 8 used for driving the threaded rod 4 to rotate.
Meanwhile, the rubber sleeve 9 is sleeved on the pressing plate 3, so that metal powder is prevented from being generated in the reuse process, and the pressing plate is prevented from being brought into a battery pole piece needing to be changed in coil and connected with a belt.
The isolating device comprises a mounting plate detachably arranged on the pressure rod 2 through a bolt, a telescopic plate 11 telescopically arranged on the mounting plate 10 and a compression spring 12 arranged between the mounting plate 10 and the telescopic plate, wherein the mounting plate 10 is provided with a telescopic groove, the upper end of the telescopic plate 11 is arranged in the telescopic groove in a sliding way, meanwhile, the compression spring 12 is positioned in the telescopic groove, one end of the compression spring is abutted against the upper side wall of a sliding groove 13 of the mounting plate 10, and the other end of the compression spring is abutted against the upper end surface of the telescopic plate 11, so that the telescopic plate 11 keeps the trend of extending downwards, when the compression plate 3 does not compress external battery pole pieces, the telescopic plate 11 extends downwards under the action of gravity and the compression spring 12 and is used for isolating the compression plate 3 from the lifting driving device, metal powder or oil stain on the lifting driving device can be prevented from being brought into the battery pole pieces needing to be changed and connected with a belt, and when the compression plate 3 needs to descend and compress the external battery pole pieces, the expansion plate 11 can slide a certain distance into the expansion slot, so that the descending of the compression plate 3 is not influenced.
Meanwhile, in this embodiment, the lower end surface of the expansion plate 11 is detachably provided with a rubber pad 14, the rubber pad 14 is a polyurethane rubber pad 14, the upper end of the rubber pad 14 is provided with a mounting column 15, and the lower end of the expansion plate 11 is provided with a mounting groove for the mounting column 15 to be inserted.
In this embodiment, the lifting driving device is a telescopic motor 16 fixedly disposed on the battery pole piece splicing platform 1 and located at two ends of the pressure rod 2, and an output end of the telescopic motor 16 is fixedly connected to the pressure rod 2.
In the concrete operation, in the rolling and coil changing process of the battery pole piece rolling machine, the compression bar 2 is driven to descend by the telescopic motor 16, and the compression bar 2 drives the compression plate 3 to move downwards, so that the compression plate 3 and the battery pole piece splicing platform 1 are matched to fix an external battery pole piece, thereby conveniently and reliably extruding and positioning the battery pole piece, and then conveniently and reliably carrying out the splicing operation of the battery pole piece; meanwhile, in the use process, the distance between the pressing plate 3 and the pressing rod 2 can be adjusted by rotating the threaded rod 4, so that the tightness of the pressing plate 3 for pressing the external battery pole piece is adjusted, and the phenomenon that the external battery pole piece is damaged due to over-tightness or over-tightness of pressing down is avoided.
Compared with the prior art, the pole piece splicing press rod 2 device matched with the battery pole piece rolling machine provided by the utility model can conveniently and reliably extrude and position the battery pole piece placed on the horizontal top surface of the battery pole piece splicing platform 1, and ensures a good fixing effect, so that a worker can conveniently splice strips, and the overall performance of a finally produced battery is ensured.
The above description is only an embodiment utilizing the technical content of the present disclosure, and any modification and variation made by those skilled in the art can be covered by the claims of the present disclosure, and not limited to the embodiments disclosed.

Claims (10)

1. Supporting pole piece area receiving pressure lever apparatus of battery pole piece bucker, including battery pole piece area receiving platform, the liftable that is used for placing outside battery pole piece set up in depression bar on the battery area receiving platform, set up in be used for the drive on the battery pole piece area receiving platform the lift drive arrangement that the depression bar goes up and down, its characterized in that: the pressing rod is detachably provided with a pressing plate which is used for being matched with the battery pole piece tape splicing platform to tightly press an external battery pole piece, the pressing rod is provided with a distance adjusting device which is used for adjusting the distance between the pressing plate and the pressing rod, and an isolating device which is used for isolating the pressing plate and the lifting driving device is arranged between the pressing plate and the lifting driving device.
2. The matched pole piece belt-connecting pressure lever device of the battery pole piece rolling machine as claimed in claim 1, which is characterized in that: the distance adjusting device comprises a threaded rod and guide rods, wherein the threaded rod is arranged on the pressing rod in a penetrating mode and used for driving the pressing plate to lift, the guide rods are arranged on the pressing rod in a penetrating mode and located on two sides of the threaded rod, the lower end of each threaded rod is rotatably connected with the pressing plate, and the lower end of each guide rod is in threaded connection with the pressing plate.
3. The matched pole piece belt-connecting pressure lever device of the battery pole piece rolling machine as claimed in claim 2, which is characterized in that: the fixed swivel mount that is provided with of threaded rod lower extreme, the pressure strip up end is provided with the confession swivel mount pivoted holding tank, lie in on the pressure strip can dismantle on the holding tank and be provided with and be used for the restriction the swivel mount breaks away from the stopper of holding tank.
4. The matched pole piece belt-connecting pressure lever device of the battery pole piece rolling machine as claimed in claim 3, wherein: and a hand wheel used for driving the threaded rod to rotate is arranged at the upper end of the threaded rod.
5. The matched pole piece belt-connecting pressure lever device of the battery pole piece rolling machine as claimed in claim 4, wherein: the pressing plate is sleeved with a rubber sleeve.
6. The matched pole piece belt-connecting pressure lever device of the battery pole piece rolling machine as claimed in claim 1, which is characterized in that: the isolating device comprises a mounting plate which can be detachably arranged on the pressure rod, a telescopic plate which can be telescopically arranged on the mounting plate, and a compression spring which is arranged between the mounting plate and the telescopic plate.
7. The matched pole piece belt-connecting pressure lever device of the battery pole piece rolling machine as claimed in claim 6, wherein: the lower end face of the expansion plate is detachably provided with a rubber pad.
8. The matched pole piece belt-connecting pressure lever device of the battery pole piece rolling machine as claimed in claim 7, wherein: the rubber pad upper end is provided with the erection column, the expansion plate lower extreme is provided with and supplies erection column male mounting groove.
9. The matched pole piece splicing pressure lever device of the battery pole piece rolling machine as claimed in claim 8, wherein: the rubber pad is a polyurethane rubber pad.
10. The matched pole piece belt-connecting pressure lever device of the battery pole piece rolling machine as claimed in claim 1, which is characterized in that: the lifting driving device is a telescopic motor fixedly arranged on the battery pole piece tape splicing platform and positioned at two ends of the pressure rod, and the output end of the telescopic motor is fixedly connected with the pressure rod.
CN202121067416.7U 2021-05-18 2021-05-18 Matched pole piece tape-splicing pressure lever device of battery pole piece rolling machine Active CN215750958U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121067416.7U CN215750958U (en) 2021-05-18 2021-05-18 Matched pole piece tape-splicing pressure lever device of battery pole piece rolling machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121067416.7U CN215750958U (en) 2021-05-18 2021-05-18 Matched pole piece tape-splicing pressure lever device of battery pole piece rolling machine

Publications (1)

Publication Number Publication Date
CN215750958U true CN215750958U (en) 2022-02-08

Family

ID=80097426

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121067416.7U Active CN215750958U (en) 2021-05-18 2021-05-18 Matched pole piece tape-splicing pressure lever device of battery pole piece rolling machine

Country Status (1)

Country Link
CN (1) CN215750958U (en)

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