CN215418268U

CN215418268U - Battery core lamination device

Info

Publication number: CN215418268U
Application number: CN202121096723.8U
Authority: CN
Inventors: 薛峰; 严海宏; 覃杰; 许�鹏
Original assignee: Dongguan Yakang Precision Machinery Co Ltd
Current assignee: Dongguan Yakang Precision Machinery Co Ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2022-01-04
Anticipated expiration: 2031-05-20

Abstract

The utility model discloses a battery cell laminating device which comprises a folding rod, a clamping rod, a laminating table and a deviation correcting system, wherein adjacent pole pieces of a pole piece material belt are stacked in the laminating table according to a Z shape under the matching of the folding rod and the clamping rod, the deviation correcting system is arranged at the material belt input end of the laminating table and used for carrying out position detection and diameter deviation correcting and correcting on the pole piece material belt, the clamping rod and the folding rod are sequentially arranged on a material belt transmission path from the deviation correcting system to the laminating table, the folding position of the pole piece is pressed through the folding rod, and then the clamping rod pulls the folding position of the adjacent pole piece to send the pole piece into the laminating table. When the pole piece material belt is fed, the position detection and the deviation correction and the correction of the traveling path are firstly carried out through the deviation correction system, then the folding positions of the pole pieces are compressed through the folding rods, the adjacent folding positions of the pole pieces are pulled by the clamping rods to feed the pole pieces into the lamination table, after the folding is finished, the folding rods are automatically drawn out to press the upper layer again, and the lamination of the battery cell is sequentially and circularly finished. The device can stably complete the lamination process at a high speed, and is suitable for the lamination of the battery cells with different specifications and sizes and different thicknesses.

Description

Battery core lamination device

Technical Field

The utility model relates to the field of power batteries, in particular to a battery core lamination device.

Background

At present, in the manufacturing process of an energy density battery, positive and negative pole pieces and a diaphragm are generally folded into a naked battery cell in a Z shape by a laminating machine, but the current laminating mode has the technical problems of low efficiency and low stability and can only meet the laminating requirement of a small-size battery cell.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a cell lamination device, which can stably complete the lamination process at high speed and meet the requirements of cells with large and small sizes.

The technical scheme of the utility model is as follows:

a battery core lamination device comprises a folding rod, a clamping rod, a lamination platform and a deviation correcting system, wherein adjacent pole pieces in a pole piece material belt are stacked in the lamination platform according to a Z shape under the matching of the folding rod and the clamping rod, the deviation correcting system is arranged at the material belt input end of the lamination platform and used for carrying out position detection and diameter deviation correcting and correcting on the pole piece material belt, the deviation correcting system is sequentially provided with the clamping rod and the folding rod on a material belt transmission path of the lamination platform, the folding rod is used for compressing the folding position of the pole piece, and the clamping rod is used for drawing the folding position of the adjacent pole piece to send the pole piece into the lamination platform.

Furthermore, a lifting mechanism is arranged in the lamination table.

Furthermore, the deviation correcting system comprises an upper deviation correcting roller assembly and a lower deviation correcting roller assembly which are oppositely arranged at the upper side and the lower side of the pole piece material belt, and a deviation correcting detection assembly positioned above the pole piece material belt, the upper deviation correcting roller assembly and the lower deviation correcting roller assembly are used for deviation correcting and correcting the running path, and the position detection is carried out through the deviation correcting detection assembly.

Further, go up the roller subassembly of rectifying and including parallel arrangement on rectifying roller and the second on rectifying the roller, down rectify the roller subassembly and include parallel arrangement's the first roller of rectifying and the second roller of rectifying down, the first roller of rectifying and the first roller of rectifying sets up relatively, rectify the roller and the second roller of rectifying relatively sets up on the second.

Furthermore, the deviation rectifying detection assembly comprises a first deviation rectifying detection unit and a second deviation rectifying detection unit which correspond to two sides of the pole piece material belt.

Compared with the prior art, the utility model has the beneficial effects that: when the pole piece material belt is fed, the position detection and the deviation correction and the correction of the traveling path are firstly carried out through the deviation correction system, then the folding positions of the pole pieces are compressed through the folding rods, the adjacent folding positions of the pole pieces are pulled by the clamping rods to feed the pole pieces into the lamination table, after the folding is finished, the folding rods are automatically drawn out to press the upper layer again, and the lamination of the battery cell is sequentially and circularly finished. The device can stably complete the lamination process at a high speed, and is suitable for the lamination of the battery cells with different specifications and sizes and different thicknesses.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a cell lamination device provided in the present invention;

fig. 2 is a schematic working diagram of a cell lamination device provided by the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In order to explain the technical means of the present invention, the following description will be given by way of specific examples.

Examples

Referring to fig. 1, an embodiment of the present invention provides a battery cell stacking apparatus, which is composed of a folding rod 1, a clamping rod 2, a stacking table 3, and a deviation correcting system, wherein adjacent pole pieces of a pole piece material strip 10 are stacked in the stacking table 3 in a "Z shape" under cooperation of the folding rod 1 and the clamping rod 2, the deviation correcting system is disposed at a material strip input end of the stacking table 3, the position detection and the travel path deviation correction and correction are performed on the pole piece material strip 10, the clamping rod 2 and the folding rod 1 are sequentially disposed on a material strip transmission path from the deviation correcting system to the stacking table 3, the folding position of the pole piece is compressed by the folding rod 1, and then the clamping rod 2 pulls the folding position of the adjacent pole piece to send the pole piece into the stacking table 3.

The deviation correcting system comprises an upper deviation correcting roller assembly 41 and a lower deviation correcting roller assembly 42 which are oppositely arranged on the upper side and the lower side of the pole piece material belt, and a deviation correcting detection assembly 43 which is positioned above the pole piece material belt, wherein the upper deviation correcting roller assembly 41 and the lower deviation correcting roller assembly 42 are used for correcting the running path of the pole piece material belt, and the position of the pole piece material belt is detected through the deviation correcting detection assembly 43.

The upper deviation rectifying roller assembly 41 comprises a first upper deviation rectifying roller and a second upper deviation rectifying roller which are arranged in parallel, the lower deviation rectifying roller assembly 42 comprises a first lower deviation rectifying roller and a second lower deviation rectifying roller which are arranged in parallel, the first upper deviation rectifying roller and the first lower deviation rectifying roller are arranged oppositely, and the second upper deviation rectifying roller and the second lower deviation rectifying roller are arranged oppositely.

The deviation rectifying detection assembly 43 comprises a first deviation rectifying detection unit and a second deviation rectifying detection unit which correspond to the two sides of the pole piece material belt.

Referring to fig. 2, in fig. 2, the time t1 is the first lamination processing, t2 and t3 are the lamination states of the lamination intermediate link at different times, when a pole piece material belt 10 is fed, a deviation correcting system is firstly used for position detection and path deviation correcting and correcting, the position detection mode comprises different modes such as visual detection and laser detection, the detection area can be automatically adjusted, and the path deviation correcting and correcting mode comprises but is not limited to a mode of passing through a roller for clamping up and down; the first piece is handled including but not limited to the mode of vacuum adsorption pole piece, at first compresses tightly pole piece left side folding department through folding rod 1, is sent into lamination platform 3 with the pole piece by the adjacent pole piece folding department of double-layered pole 2 traction again, and folding rod 1 takes out once more after accomplishing and pushes down the upper strata, circulates in proper order and accomplishes the electric core lamination, can set up elevating system in the lamination platform 3 in order to do the takeover effect. The lamination process can be stably completed at a high speed by the lamination mode, and the lamination method is suitable for the lamination of the battery cells with different specifications and sizes and different thicknesses.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a battery core lamination device which characterized in that: the device comprises a folding rod, a clamping rod, a lamination table and a deviation correcting system, wherein adjacent pole pieces in a pole piece material belt are stacked in the lamination table according to a Z shape under the matching of the folding rod and the clamping rod, the deviation correcting system is arranged at the material belt input end of the lamination table and used for carrying out position detection and radial deviation correcting and correcting on the pole piece material belt, the deviation correcting system sequentially sets the clamping rod and the folding rod on a material belt transmission path of the lamination table, the folding rod is used for pressing a pole piece folding position, and the clamping rod is used for drawing the adjacent pole piece folding position to send the pole piece into the lamination table.

2. The cell lamination device according to claim 1, wherein: and a lifting mechanism is arranged in the lamination table.

3. The cell lamination device according to claim 1, wherein: the deviation correcting system comprises an upper deviation correcting roller assembly, a lower deviation correcting roller assembly and a deviation correcting detection assembly, wherein the upper deviation correcting roller assembly and the lower deviation correcting roller assembly are oppositely arranged on the upper side and the lower side of the pole piece material belt, the deviation correcting detection assembly is positioned above the pole piece material belt, the upper deviation correcting roller assembly and the lower deviation correcting roller assembly are used for correcting the running path, and the position detection is carried out through the deviation correcting detection assembly.

4. The cell lamination device according to claim 3, wherein: go up the roller subassembly of rectifying and include parallel arrangement's the roller of rectifying on first roller of rectifying and the second, down the roller subassembly of rectifying includes parallel arrangement's the roller of rectifying under first roller of rectifying and the second, the roller of rectifying on the first sets up with the roller of rectifying relatively under first, the roller of rectifying sets up with the roller of rectifying relatively under second on the second.

5. The cell lamination device according to claim 3, wherein: the deviation rectifying detection assembly comprises a first deviation rectifying detection unit and a second deviation rectifying detection unit which correspond to the two sides of the pole piece material belt.