CN210851838U

CN210851838U - Lithium battery tab stamping device

Info

Publication number: CN210851838U
Application number: CN201921299696.7U
Authority: CN
Inventors: 王永军; 韩文才; 王龙超; 周德清
Original assignee: Anhui Yijiatong Battery Co ltd
Current assignee: Anhui Yijiatong Battery Co ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-06-26
Anticipated expiration: 2029-08-12

Abstract

The utility model provides a lithium battery tab stamping device, which comprises a frame, and a driving roller and a pressing device which are arranged on the frame, wherein a stamping shaft in the pressing device descends through a telescopic cylinder to drive a shaft roller to be attached to the driving roller, a tab is clamped between the shaft roller and the driving roller, a pressing roller in the shaft roller fixes the tab and stamps a bar-shaped pattern on the tab through the stamping roller, the strength of the tab is increased, and the tab is prevented from turning and folding; the outer ends of the embossing roller and the pressing roller are provided with glue layers for protecting the tabs, and the glue layers prevent the tabs from being damaged by rotation; the adjusting rod is adjusted through the nut and inserted the degree of depth of adjustment groove to adjust the steady at pedestal both ends, prevent that telescopic cylinder from assaulting the inconsistent both ends atress that leads to inhomogeneous of dynamics.

Description

Lithium battery tab stamping device

Technical Field

The utility model relates to a lithium battery tab technical field specifically is a lithium battery tab stamping device.

Background

When the power battery is produced, the coiled core is prevented from being wound into the coiled core due to the fact that the coiled core lug is not flat and not high enough in strength in the process of production and equipment, and the coiled core is scrapped. In order to avoid scrapping the tab, the rolling strip trace of the tab is increased after the tab is die-cut, so that the strength of the tab is enhanced, and the tab is prevented from being folded into a roll core and rolled into a pole piece coil material collection. The current application method is to coil the tabs into a coil material after being flattened by a flattening roller, and the tabs are turned over due to the fact that the tabs are turned in the transferring process in the winding process. And the phenomenon of the turnover of the pole lug is not really solved. The following problems exist in the above operation process: 1. the lug is not reinforced, so that the flatness of the lug is not solved, and the lug is prevented from being turned over and folded into a winding core to cause scrapping; 2. the flattening device can not solve the problem of the lug folding phenomenon in the next winding process.

SUMMERY OF THE UTILITY MODEL

This the utility model aims to solve the technical problem that a lithium battery tab stamping device increases utmost point ear intensity and roughness device is provided, uses the device to increase utmost point ear roughness and intensity before rolling up the core and not welding, and greatly reduced utmost point ear turns over to roll up the core and causes the battery to scrap.

The utility model provides a technical problem adopt following technical scheme to realize: a lithium battery tab stamping device comprises a rack (1), and a driving roller (2) and a pressing device which are arranged on the rack (1), wherein the rack (1) is of a U-shaped structure, the driving roller (2) is arranged at the lower end of the rack (1), the pressing device comprises a stamping shaft (3) and a shaft roller arranged on the stamping shaft (3), two ends of the stamping shaft (3) are arranged on a shaft frame (4), the shaft frame (4) is of a U-shaped structure, one end, far away from the stamping shaft (3), of the shaft frame (4) is connected with the rack (1) through a telescopic cylinder (5), the telescopic cylinder (5) is fixedly arranged on the rack (1), the outer end of a piston rod (6) of the telescopic cylinder (5) is fixedly connected with the shaft frame (4) through an adjusting rod (7), the shaft roller is symmetrically arranged in the middle of the stamping shaft (3), a bearing is arranged between the shaft roller and the stamping shaft (3), and the shaft roller is rotatably connected with the stamping shaft (3), the shaft roller comprises an embossing roller (8) used for embossing the bar-shaped patterns and a pressing roller (9) used for fixing the lug, and the embossing roller (8) is attached to the pressing roller (9).

Preferably, the frame (1) and the shaft bracket (4) are located on two sides of the telescopic cylinder (5) and are provided with sliding devices, each sliding device comprises a guide rod (10) and a guide sleeve (11), the guide rods (10) are vertically installed at the upper end of the shaft bracket (4), the guide sleeves (11) are installed at the upper end of the frame (1) corresponding to the relative positions of the guide rods (10), and the guide rods (10) are inserted into the guide sleeves (11) and are in sliding connection.

Preferably, the upper end of the adjusting rod (7) is connected with a piston rod (6) of the telescopic cylinder (5), the lower end of the adjusting rod (7) is inserted into an adjusting groove corresponding to the shaft bracket (4), a nut (12) which is rotatably attached and installed is arranged at the upper end of the adjusting groove, the outer end of the adjusting rod (7) is of an external thread structure, and the adjusting rod (7) is in threaded connection with the nut (12).

Preferably, glue layers for protecting the tabs are arranged at the outer ends of the embossing roller (8) and the pressing roller (9), and are mounted at the outer ends of the pressing roller (9) and the driving roller (2) in a fitting mode.

Compared with the prior art, the beneficial effects of the utility model are that: an embossing shaft in the lower pressing device descends through a telescopic cylinder to drive a shaft roller to be attached to a driving roller, a lug is clamped between the shaft roller and the driving roller, a pressing roller in the shaft roller fixes the lug and embosses a bar-shaped pattern on the lug through the embossing roller, the strength of the lug is increased, and the lug is prevented from being turned and wrinkled; the outer ends of the embossing roller and the pressing roller are provided with glue layers for protecting the tabs, and the glue layers prevent the tabs from being damaged by rotation; the adjusting rod is adjusted through the nut and inserted the degree of depth of adjustment groove to adjust the steady at pedestal both ends, prevent that telescopic cylinder from assaulting the inconsistent both ends atress that leads to inhomogeneous of dynamics.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic perspective view of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the specific drawings.

As shown in FIGS. 1-2,

a lithium battery tab stamping device comprises a rack (1), and a driving roller (2) and a pressing device which are arranged on the rack (1), wherein the rack (1) is of a U-shaped structure, the driving roller (2) is arranged at the lower end of the rack (1), the pressing device comprises a stamping shaft (3) and a shaft roller arranged on the stamping shaft (3), two ends of the stamping shaft (3) are arranged on a shaft frame (4), the shaft frame (4) is of a U-shaped structure, one end, far away from the stamping shaft (3), of the shaft frame (4) is connected with the rack (1) through a telescopic cylinder (5), the telescopic cylinder (5) is fixedly arranged on the rack (1), the outer end of a piston rod (6) of the telescopic cylinder (5) is fixedly connected with the shaft frame (4) through an adjusting rod (7), the shaft roller is symmetrically arranged in the middle of the stamping shaft (3), a bearing is arranged between the shaft roller and the stamping shaft (3), and the shaft roller is rotatably connected with the stamping shaft (3), the shaft roller comprises an embossing roller (8) used for embossing the bar-shaped patterns and a pressing roller (9) used for fixing the lug, and the embossing roller (8) is attached to the pressing roller (9).

In the embodiment, sliding devices are arranged on the two sides of the telescopic cylinder (5) of the rack (1) and the shaft bracket (4), each sliding device comprises a guide rod (10) and a guide sleeve (11), the guide rods (10) are vertically arranged at the upper end of the shaft bracket (4), the guide sleeves (11) are arranged at the upper end of the rack (1) corresponding to the relative positions of the guide rods (10), and the guide rods (10) are inserted into the guide sleeves (11) to be in sliding connection; the sliding device keeps the relative vertical direction of the shaft bracket (4) and the frame (1) and reduces the abrasion of mechanical movement to the telescopic cylinder (5).

In the embodiment, the upper end of the adjusting rod (7) is connected with a piston rod (6) of the telescopic cylinder (5), the lower end of the adjusting rod (7) is inserted into an adjusting groove corresponding to the shaft bracket (4), a nut (12) which is rotatably attached and installed is arranged at the upper end of the adjusting groove, the outer end of the adjusting rod (7) is of an external thread structure, and the adjusting rod (7) is in threaded connection with the nut (12); the adjusting rod (7) is adjusted through the nut (12) to be inserted into the adjusting groove, so that the two ends of the adjusting shaft frame (4) are adjusted to be stable, and the phenomenon that the two ends are stressed unevenly due to the fact that impact force of the telescopic cylinder (5) is inconsistent is avoided.

In this embodiment, embossing roll (8) and compression roller (9) outer end are equipped with the glue film of protection utmost point ear, and the glue film is installed in the outer end of compression roller (9) and drive roll (2) for the laminating, and the glue film prevents to rotate the damage to utmost point ear.

The utility model discloses a work like this: the shaft frame (4) is pushed through the telescopic cylinder (5) to enable the shaft roller to be attached to the driving roller (2), the embossing roller (8) and the pressing roller (9) in the shaft roller are attached to the lug at the upper end of the driving roller (2) to be connected, the driving roller (2) drives the lug to move, and embossing bar patterns on the end face of the lug are achieved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a lithium battery tab stamping device, includes frame (1) and installs drive roll (2) and the device that pushes down on frame (1), its characterized in that: the frame (1) is of a U-shaped structure, the driving roll (2) is installed at the lower end of the frame (1), the pressing device comprises an embossing shaft (3) and a shaft roll installed on the embossing shaft (3), two ends of the embossing shaft (3) are installed on the shaft frame (4), the shaft frame (4) is of a U-shaped structure, one end, far away from the embossing shaft (3), of the shaft frame (4) is connected with the frame (1) through a telescopic cylinder (5), the telescopic cylinder (5) is fixedly installed on the frame (1), the outer end of a piston rod (6) of the telescopic cylinder (5) is fixedly connected with the shaft frame (4) through an adjusting rod (7), the shaft rolls are symmetrically installed in the middle of the embossing shaft (3), a bearing is installed between the shaft roll and the embossing shaft (3), the shaft roll is rotatably connected with the embossing shaft (3) through the bearing, and comprises an embossing roll (8) used for embossing bar patterns and a pressing roll (9) used for fixing a, the embossing roller (8) and the pressing roller (9) are attached and installed.

2. The lithium battery tab stamping device as claimed in claim 1, wherein: the frame (1) and the shaft bracket (4) are located on two sides of the telescopic cylinder (5) and are provided with sliding devices, each sliding device comprises a guide rod (10) and a guide sleeve (11), the guide rods (10) are vertically installed at the upper end of the shaft bracket (4), the guide sleeves (11) are installed at the upper end of the frame (1) corresponding to the relative positions of the guide rods (10), and the guide rods (10) are inserted into the guide sleeves (11) and are in sliding connection.

3. The lithium battery tab stamping device as claimed in claim 1, wherein: the upper end of the adjusting rod (7) is connected with a piston rod (6) of the telescopic cylinder (5), the lower end of the adjusting rod (7) is inserted into an adjusting groove corresponding to the shaft bracket (4), a nut (12) which is rotatably attached and installed is arranged at the upper end of the adjusting groove, the outer end of the adjusting rod (7) is of an external thread structure, and the adjusting rod (7) is in threaded connection with the nut (12).

4. The lithium battery tab stamping device as claimed in claim 1, wherein: the outer ends of the embossing roller (8) and the pressing roller (9) are provided with glue layers for protecting the tabs, and the glue layers are attached to the outer ends of the pressing roller (9) and the driving roller (2).