CN107768593A - A device for removing burrs from battery pole pieces and a method for removing burrs from battery pole pieces - Google Patents

Abstract

The invention relates to a device for removing battery pole piece burrs, in particular to a device for removing battery pole piece burrs, which comprises: the high-voltage direct current box is connected with the first Faraday cage and the second Faraday cage, a control circuit is arranged in the high-voltage direct current box, an unwinding roller is arranged on the first Faraday cage, and a winding roller is arranged on the second Faraday cage. The invention has the advantages of simple manufacturing process, low cost, higher practical value and capability of effectively improving the safety of the battery. In addition, the invention also provides a method for removing the battery pole piece burrs by using the device for removing the battery pole piece burrs.

Description

A device for removing burrs from battery pole pieces and a method for removing burrs from battery pole pieces

technical field

The invention relates to a device for removing burrs from battery pole pieces, in particular to a device for removing burrs from battery pole pieces.

Background technique

As an energy storage device, the battery is used in various fields. No matter what kind of battery it is, it is inseparable from the current collector, and the current collector will have burrs whether it is in the incoming material or in the cutting process necessary for the production of the battery. or drawing phenomenon.

The burrs and wire drawing of the current collector will bring great safety hazards to the battery. For example, the burrs will pierce the separator, resulting in direct contact between the cathode and the anode, causing a safety accident inside the battery short circuit. Therefore, the pole piece is removed during the manufacturing process. Burrs and wire drawing are very necessary to improve battery safety from the root. In addition, as a new type of energy storage device, lithium-ion batteries have the advantages of small size, light weight, and high energy density. They have been widely used in digital and electric vehicles. Therefore, the safety and reliability of lithium-ion batteries are particularly important.

For this reason, it is necessary to provide a device for removing burrs from battery pole pieces to overcome the above-mentioned defects.

Contents of the invention

The invention provides a device for removing burrs from battery pole pieces, which has the advantages of simple manufacturing process, low cost, high practical value and can effectively improve the safety of the battery.

In order to achieve the above object, the present invention adopts following technical scheme:

A device for removing burrs from battery pole pieces, comprising: a first Faraday cage, a second Faraday cage, a pole piece channel connecting the first Faraday cage and the second Faraday cage, connecting two pole piece channels, and A high-voltage DC box connected with the first Faraday cage and the second Faraday cage, a control circuit is arranged in the high-voltage DC box, an unwinding roller is arranged on the first Faraday cage, and the second Faraday cage A take-up roller is arranged on the cage.

Preferably, the control circuit includes:

Control switch circuit, connected to the mains, used to control the closing and opening of the switch;

A DC stabilized power supply circuit, connected to the control switch circuit, for providing a power supply voltage;

PLC control circuit, connected with the DC stabilized power supply circuit, used to control unwinding, rewinding and provide high-voltage DC power supply;

The unwinding roller control circuit is connected with the PLC control circuit and is used to control the work of the unwinding roller;

The winding roller control circuit is connected with the PLC control circuit and the unwinding roller control circuit, and is used to control the work of the winding roller; and

A high-voltage direct current circuit, connected to the PLC control circuit, the unwinding roller control circuit and the winding roller control circuit, is used to provide high-voltage current to the pole piece channel.

A device for removing burrs from battery pole pieces according to the present invention is provided with the first Faraday cage and the second Faraday cage so that it has the characteristics of flexible installation during actual use. The pole piece channel is set between the two Faraday cages. When in use, put the battery pole piece into the pole piece channel, and connect the high-voltage DC box at both ends of the pole piece channel to provide a large current for the battery pole piece. Point discharge effect, when the edge of the battery pole piece is discharged, it produces instantaneous high current burning, breaking burrs and wire drawing, thereby improving the safety of the battery pole piece. The invention has the advantages of simple manufacturing process, low cost, high practical value and It can effectively improve the safety of the battery and other characteristics.

A method for deburring battery pole pieces using the battery pole piece deburring device, comprising the following steps:

putting the battery pole piece into the pole piece channel through the first Faraday cage;

The high-voltage DC box provides current to the battery pole piece;

The battery pole piece is taken out through the second Faraday cage.

Preferably, in the step "the high-voltage DC box provides current to the battery pole pieces", the high-voltage

The voltage of the DC box is 200V-1000V.

Compared with the prior art, a method of deburring a battery pole piece using the battery pole piece deburring device of the present invention uses the high-voltage direct current box to feed the battery placed in the pole piece channel. The pole piece provides a large current. Due to the tip discharge effect, when the edge of the battery pole piece is discharged, it will produce instantaneous high current burning, breaking burrs and wire drawing.

Description of drawings

FIG. 1 is a schematic structural view of a device for removing burrs from battery pole pieces according to the present invention.

Fig. 2 is a control circuit diagram of a device for deburring battery pole pieces according to the present invention.

Fig. 3 is a switch control circuit diagram in Fig. 2 .

Fig. 4 is a circuit diagram of the DC regulated power supply circuit and the PLC control circuit in Fig. 2 .

Fig. 5 is a circuit diagram of the control circuit of the unwinding roller, the control circuit of the winding roller and the high-voltage direct current in Fig. 2 .

Fig. 6 is a flow chart of the method for deburring battery pole pieces using the battery pole piece deburring device of the present invention.

Detailed ways

The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings. The accompanying drawings are only for reference and description, and do not constitute a limitation to the protection scope of the present invention.

Please refer to Figures 1 to 5, a device for removing burrs from battery pole pieces according to the present invention, including: a first Faraday cage 1, a second Faraday cage 2, a pole piece channel 3, a high-voltage DC box 4, an unwinding roller 5, Winding roller 6 and control circuit 7, wherein, the pole piece channel 3 is arranged between the first Faraday cage 1 and the second Faraday cage 2, and connects the first Faraday cage 1 and the The second Faraday cage 2, the high-voltage DC box 4 is connected to both ends of the pole piece passage 3, and is connected to the first Faraday cage 1 and the second Faraday cage 2, and the unwinding roller 5 It is arranged in the first Faraday cage 1 , the take-up roller 6 is arranged in the second Faraday cage 2 , and the control circuit 7 is arranged in the high voltage DC box 4 .

Specifically, the control circuit 7 includes: a control switch circuit 71, a DC stabilized power supply circuit 72, a PLC control circuit 73, an unwinding roller control circuit 74, a winding roller control circuit 75, and a high-voltage direct current circuit 76. The control switch The circuit 71 is connected to the mains and is used to control the on and off of the switch. The DC stabilized power supply circuit 72 is connected to the control switch circuit 71 to provide a supply voltage. The PLC control circuit 73 is connected to the DC The stabilized power supply circuit 72 is connected to automatically control unwinding and rewinding and provide high-voltage DC power according to received user instructions. The unwinding roller control circuit 74 is connected to the PLC control circuit 73 and is used to control all The unwinding roller works, the winding roller control circuit 75 is connected with the unwinding roller control circuit 74 of the PLC control circuit 73, and is used to control the work of the winding roller, and the high-voltage direct current circuit 76 is connected with the The PLC control circuit 73 , the unwinding roller control circuit 74 and the winding roller control circuit 75 are connected to provide high voltage current to the pole piece channel 3 .

More specifically, the working principle of the present invention is: when the system is started, the manual gear is adjusted, and the leader belt enters the pole piece passage 3 from the unwinding roller 5, and is guided into the winding roller through the pole piece passage 3 6. At this time, the 2H switch is closed, 1KM and 1QF, 2KM and 2QF are closed. After threading is completed, the automatic gear can be opened, and the unwinding roller 5, the winding roller 6 and the high-voltage DC box 4 work automatically, and 7KM and 7QF are closed at this moment. When the system is suspended, the high-voltage DC box 4, the unwinding roller 5 and the winding roller 6 stop working, and 1KM, 2KM, and 7KM are disconnected at this time. When the system stops, the high-voltage DC power supply, the unwinding roller and the winding roller are powered off, and 1QF, 2QF, and 7QF are disconnected at this time. When the system is reset or a fault alarm occurs, the fault alarm indicator light is on, the system is reset, the unwinding roller 5, the winding roller 6 and the high-voltage DC box 4 restore the default standby circuit, and 5H is closed. During emergency stop, all switches are disconnected.

As can be seen from the above description, a device for removing burrs from battery pole pieces of the present invention is provided with the first Faraday cage 1 and the second Faraday cage 2, so that it has the characteristics of flexible installation during actual use. The pole piece channel 3 is arranged between the first Faraday cage 1 and the second Faraday cage 2. When in use, put the battery pole piece into the pole piece channel 3, and connect the two ends of the pole piece channel 3. The high-voltage DC box 4 provides a large current to the battery pole piece. Due to the tip discharge effect, when the edge of the battery pole piece is discharged, it will generate instantaneous high current burning, breaking burrs and wire drawing, thereby improving the safety of the battery pole piece. The invention has the characteristics of simple manufacturing process, low cost, high practical value, and can effectively improve the safety of the battery.

Please refer to Figures 2-6, a method for removing battery pole piece burrs using the battery pole piece deburring device of the present invention includes the following steps:

001, put the battery pole piece into the pole piece channel through the first Faraday cage. Specifically, the user enters the pole piece of the battery from the head of the pole piece channel into the pole piece channel through the first Faraday cage.

002. The high-voltage DC box provides current to the battery pole pieces. Specifically, the high-voltage DC box provides a current of 200V-1000V to the battery pole piece in the pole piece channel. Due to the tip discharge effect, when the edge of the battery pole piece is discharged, a momentary high current burns and strikes. Break burrs and wire drawing, thus improving the safety of battery pole pieces.

003, taking out the pole piece of the battery through the second Faraday cage. Specifically, the battery pole piece is taken out from the tail of the pole piece channel through the second Faraday cage.

The working principle of the present invention is: when the system starts, the manual gear is adjusted, and the leader belt enters the pole piece passage 3 from the unwinding roller 5, and passes through the pole piece passage 3 to guide the winding roller 6. At this time 2H switch is closed, 1KM and 1QF, 2KM and 2QF are closed. After threading is completed, the automatic gear can be opened, and the unwinding roller 5, the winding roller 6 and the high-voltage DC box 4 work automatically, and 7KM and 7QF are closed at this moment. When the system is suspended, the high-voltage DC box 4, the unwinding roller 5 and the winding roller 6 stop working, and 1KM, 2KM, and 7KM are disconnected at this time. When the system stops, the high-voltage DC power supply, the unwinding roller and the winding roller are powered off, and 1QF, 2QF, and 7QF are disconnected at this time. When the system is reset or a fault alarm occurs, the fault alarm indicator light is on, the system is reset, the unwinding roller 5, the winding roller 6 and the high-voltage DC box 4 restore the default standby circuit, and 5H is closed. During emergency stop, all switches are disconnected.

As can be seen from the above description, a method for removing battery pole piece burrs using the battery pole piece deburring device of the present invention uses the high-voltage direct current box to supply the battery placed in the pole piece channel The pole piece provides a large current. Due to the tip discharge effect, when the edge of the battery pole piece is discharged, it will produce instantaneous high current burning, breaking burrs and wire drawing.

The above disclosures are only preferred embodiments of the present invention, and cannot be used to limit the protection scope of the present invention. Therefore, equivalent changes made according to the scope of the patent application of the present invention still fall within the scope of the present invention.

Claims (4)

1. A device for removing burrs from battery pole pieces, comprising: a first Faraday cage, a second Faraday cage, a pole piece channel connecting the first Faraday cage and the second Faraday cage, connecting two A high-voltage DC box connected to the pole piece channel and the first Faraday cage and the second Faraday cage, a control circuit is arranged in the high-voltage DC box, and an unwinding roller is arranged on the first Faraday cage , the second Faraday cage is provided with a take-up roller. 2. The device for removing burrs from battery pole pieces according to claim 1, wherein the control circuit comprises: The control switch circuit is connected to the mains and used to control the switch circuit to close; A DC stabilized power supply circuit, connected to the control switch circuit, for providing a power supply voltage; PLC control circuit, connected with the DC stabilized power supply circuit, used to control unwinding, rewinding and provide high-voltage DC power supply; The unwinding roller control circuit is connected with the PLC control circuit and is used to control the work of the unwinding roller; The winding roller control circuit is connected with the PLC control circuit and the unwinding roller control circuit, and is used to control the work of the winding roller; and A high-voltage direct current circuit, connected to the PLC control circuit, the unwinding roller control circuit and the winding roller control circuit, is used to provide high-voltage current to the pole piece channel. 3. A method for removing burrs from battery pole pieces according to claim 1, characterized in that, comprising the steps of: putting the battery pole piece into the pole piece channel through the first Faraday cage; The high-voltage DC box provides current to the battery pole piece; The battery pole piece is taken out through the second Faraday cage. 4. The method for removing burrs from battery pole pieces as claimed in claim 3, characterized in that, in the step "the high-voltage DC box provides current to the battery pole piece", the voltage of the high-voltage DC box is 200V-1000V .