CN214442332U

CN214442332U - Die cutting tailing standardization control device

Info

Publication number: CN214442332U
Application number: CN202023324542.4U
Authority: CN
Inventors: 靳玲伟; 余招宇; 曹辉
Original assignee: Ruipu Energy Co Ltd; Shanghai Ruipu Energy Co Ltd
Current assignee: Shanghai Ruipuqing Innovative Energy Co Ltd; Rept Battero Energy Co Ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-10-22
Anticipated expiration: 2030-12-31

Abstract

The utility model provides a standardized control device for die-cutting tailings, which comprises an unreeling device, a splicing device, a reel-changing tailing splicing detection device, a punching device, a traction device, a Mark hole punching device, a tailing residual length measuring device and a reeling device, wherein the unreeling device, the splicing device, the punching device, the traction device, the Mark hole punching device and the reeling device are sequentially arranged along the pole piece conveying direction; the roll changing tailing splicing detection device is arranged between the splicing device and the punching device; the tailing residual length measuring device is arranged between the traction device and the winding device. The utility model discloses have roll change splicing tails length measurable quantity function: the distance between the splicing tape and the Mark hole can be automatically calculated according to the required length of the tailings, and the tailings with fixed length can be automatically reserved by punching; the automatic tail material winding device has the function of automatically stopping the tail material winding at the target value position during roll changing, realizes tail material length controllability, ensures that the subsequent processes can share the same reserved tail material to carry out belt leading, and reduces tail material waste.

Description

Die cutting tailing standardization control device

Technical Field

The utility model relates to a system's product rolling field specifically relates to a cross cutting tails standardization control device.

Background

With the rapid development of battery technology, on one hand, the production efficiency of the battery core needs to be improved, and on the other hand, the manufacturing cost of the battery core needs to be reduced. As a key process in the manufacturing process of the battery cell, the die cutting process is one of important influencing factors for improving the production efficiency of the battery cell and reducing the production cost.

The battery core can be manufactured by the battery core raw material pole pieces through different processes such as die cutting, slitting and winding, each process needs to connect the front and the back two rolls of pole pieces through the connecting belt, different processes need to generate certain tailings, and each process generates tailings with indefinite length. How to control the tailing waste of each process is a subject to be researched, and the standardized tailing length according to the requirement is a control target.

In consideration of the above situation, measures are needed to reduce or avoid die cutting and reel changing tailings and standardize splicing tailing length, so that tailings with one section length can be shared in different processes, and the function of saving the tailings is achieved.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model aims at providing a cross cutting tails standardization control device.

According to the utility model provides a pair of cross cutting tails standardization control device, including unwinding device, splicing apparatus, roll change tails splicing detection device, die-cut device, draw gear, the die-cut device in Mark hole, tails surplus length measurement device and coiling mechanism, wherein:

the unwinding device, the belt splicing device, the punching device, the traction device, the Mark hole punching device and the winding device are sequentially arranged along the pole piece conveying direction;

the roll changing tailing splicing detection device is arranged between the splicing device and the punching device;

the tailing residual length measuring device is arranged between the traction device and the winding device.

Preferably, the roll-changing tailing splicing detection device comprises a tailing splicing identification sensor.

Preferably, the device for measuring the residual length of the tailings comprises a length measuring encoder, an encoder roller and a pole piece pressing roller, wherein:

when pole piece rolling conveying, compress tightly through the pole piece and press the pole piece on the pole is crossed to the encoder and paste in real time and apply on the pole is crossed to the encoder, the pole piece is crossed the synchronous rotation of stick when transferring the action to drive the length measuring encoder and rotate.

Preferably, the winding device further comprises a pre-tightening device, the pre-tightening device is arranged between the unwinding device and the winding device, and the pre-tightening device pre-tightens the transmitted pole pieces.

Preferably, the system further comprises a PLC system, and the PLC system is in communication connection with the reel change tailing splicing detection device and the tailing residual length measuring device.

Preferably, the PLC system controls the Mark hole punching device to punch at the set position.

Preferably, the distance between adjacent Mark holes punched by the Mark hole punching device is the distance of winding of one pole piece.

Preferably, the punching device punches the tabs on the pole piece.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses the cost is just can be practiced thrift greatly to the structure ingenious, the measurement convenience.

2. The utility model discloses a set up splicing tape device, length measurement device, solve cross cutting equipment roll change splicing tails length uncontrolled, the tails is extravagant more serious, produces the secondary tails condition during the roll change rolling.

3. The utility model discloses can change die-cut initial position after the roll change according to surplus tails length, and according to reserving tails length automatic stop reserving length intermediate position, realize that the tails decides the accurate control function in position.

4. The utility model has the function of measuring the length of the tail material of the reel changing splicing tape; the fixed-length tailing can be automatically calculated and reserved by automatic punching according to the required tailing length.

5. The utility model discloses a tails length is controllable, ensures that back process can share same section and reserve the tails and draw the area, and it is extravagant to reduce the tails.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic diagram of the relative position of the tailing control system before and after the roll change of the die cutting equipment.

The figures show that:

1-unwinding device

2-tape splicing device

3-splicing tape detection device

4-punching device

5-traction device

6-Mark hole punching device

7-Length measuring device

8-winding device

Detailed Description

The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.

As shown in fig. 1, according to the utility model provides a pair of cross cutting tails standardization control device, including unwinding device, take-up device, change a roll tails take-up detection device, die-cut device, draw gear, the die-cut device in Mark hole, tails surplus length measurement device and coiling mechanism, wherein: the unwinding device, the belt splicing device, the punching device, the traction device, the Mark hole punching device and the winding device are sequentially arranged along the pole piece conveying direction; and the punching device punches the lug on the pole piece. The distance between adjacent Mark holes punched by the Mark hole punching device is the winding distance of one pole piece. The roll changing tailing splicing detection device is arranged between the splicing device and the punching device; the tailing residual length measuring device is arranged between the traction device and the winding device. The roll-changing tailing splicing detection device comprises a tailing splicing identification sensor and is used for the function of tailing splicing identification after roll changing. The coil changing tailing splicing detection device is in communication connection with the PLC system. And the PLC system controls the Mark hole punching device to punch at a set position.

The residual length measuring device of the tailings comprises a length measuring encoder, an encoder, a roller and a pole piece, wherein the roller is compressed by the pole piece, and the length measuring device comprises: the pole piece rolling is transferred and is moved the action in-process, compresses tightly through the pole piece and presses the pole piece on the rod is crossed to the encoder and hugs closely in real time on the rod is crossed to the encoder, and the pole piece is transferred when the action the encoder cross the rod synchronous revolution to drive the encoder and rotate, the encoder gather in real time and rotate data, the pole piece promptly transfers length. And calculating the length of the total residual tailings by identifying and comparing the position of the detected tailing adhesive tape and the position of the last Mark hole before the tailing splicing is detected. And comparing the total residual tailing length with the length of the pole piece to determine the actual residual tailing length.

The winding device comprises a winding device, a unwinding device and a pre-tightening device, wherein the winding device is arranged on the winding device, and the pre-tightening device is used for pre-tightening the transmitted pole pieces.

The utility model discloses the main effect is when the roll change the surplus length measurement function of tails and when the roll change rolling tails automatic shutdown position measurement recognition function.

The utility model discloses work flow and control mode as follows:

1. when the total remaining tailing length is larger than one pole piece length, after normal die cutting is carried out until the last mark hole is formed, die cutting is continued, and when the reserved tailing length is set, die cutting is restarted from the first pole lug;

2. when the total remaining tailing length is larger than a set value (reserved tailing length), normally punching to a tape splicing position, skipping tape splicing, and restarting die cutting from a first tab;

3. and when the total remaining tailing length is smaller than a set value (reserved tailing length), die cutting is carried out again from the first die cutting after the die cutting reaches the reserved tailing length.

In conclusion, the die cutting tailing control is to identify the position of the tailing adhesive tape and the position of the last Mark hole before tailing splicing by identification and comparison after the splicing is identified by the tailing splicing identification system, and calculate the length of the total residual tailing. According to the comparison of the total residual tailing length, the pole piece length and the reserved length, the equipment automatically selects a die cutting mode and accurately stops the reel changing tape splicing tailing cutting position according to a corresponding comparison result, the reserved length middle position is guaranteed to be cut off, the follow-up procedure can share the same reserved tailing section to carry out tape leading, the tailing length is controllable, and the tailing waste is reduced.

The following is illustrated by way of example:

assuming that the pole pieces are wound into a battery cell every 10m, the Mark hole punching device punches Mark holes on the pole pieces every 10 m; the reserved tailing length is set to be 6m (length allowed to be wasted), and the distance between the splicing detection device and the Mark hole punching device is set to be 6 m.

1. When the total remaining tailing length is larger than 10m, after normal die cutting is carried out until the last mark hole is formed, die cutting is continued until the set length reaches 6m, and die cutting is restarted from the first tab;

2. when the total remaining tailing length is larger than 6m, normally punching to a tape splicing position, skipping tape splicing, and restarting die cutting from the first tab;

3. and when the total residual tailing length is less than 6m, die cutting is carried out again from the first die cutting after the die cutting reaches the reserved tailing length.

It should be noted that the utility model provides a calculate surplus tails length method and control the die-cut position mode in Mark hole and be prior art, specific algorithm no longer gives unnecessary details. The utility model discloses a give and realize the controllable hardware device of tails length, based on this hardware device, the tails that have significantly reduced are extravagant.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims

1. The utility model provides a cross cutting tails standardization control device, its characterized in that, includes unwinding device, splicing tape device, trades a roll tails splicing tape detection device, die-cut device, draw gear, the die-cut device of Mark hole, tails residual length measuring device and coiling mechanism, wherein:

2. The die-cutting tailing standardized control device as claimed in claim 1, wherein the roll-changing tailing splicing detection device comprises a tailing splicing identification sensor.

3. The die-cutting tailing standardization control device according to claim 1, characterized in that the tailing residual length measuring device comprises a length measuring encoder, an encoder passing roller and a pole piece pressing passing roller, wherein:

4. The die cutting tailing standardization control device as claimed in claim 1, characterized by further comprising a pre-tightening device, wherein the pre-tightening device is arranged between the unwinding device and the winding device, and the pre-tightening device pre-tightens the transmitted pole pieces.

5. The die-cutting tailing standardized control device as claimed in claim 1, further comprising a PLC system, wherein the PLC system is in communication connection with the reel-changing tailing splicing detection device and the tailing residual length measuring device.

6. The die-cutting tailing standardization control device as claimed in claim 5, characterized in that the PLC system controls the Mark hole punching device to punch at a set position.

7. The die-cutting tailing standardization control device as claimed in claim 1, wherein the distance between adjacent Mark holes punched by the Mark hole punching device is the distance of winding of one pole piece.

8. The die-cutting tailing standardization control device as claimed in claim 1, wherein the punching device punches the tabs on the pole pieces.