Substance feeding device, mixing system, and battery production line

Patent metadata

Field	Value
Publication number	US-12590829-B2
Application number	US-202519293915-A
Country	US
Kind code	B2
Filing date	Aug 7, 2025
Priority date	Mar 15, 2024
Publication date	Mar 31, 2026
Grant date	Mar 31, 2026

Abstract

A substance feeding device includes: a buffer member, a conveying assembly, a weight meter, and a control assembly. The buffer member is configured to store a substance; one end of the conveying assembly is connected with the buffer member; the conveying assembly has at least two conveying ports; the conveying port is configured to connect with a target device; the weight meter is connected with the buffer member and is configured to detect a weight of the substance in the buffer member; each conveying port is provided with one control assembly; the control assembly is configured to control communication and cutoff of a pipeline between the conveying port and the corresponding target device; the control assembly includes a back pressure valve; and the back pressure valve is disposed on the conveying port and capable of being connected with the target device.

First claim

What is claimed is:

1 . A substance feeding device, comprising:
a buffer member, wherein the buffer member is configured to store a substance; a conveying assembly, wherein one end of the conveying assembly is connected with the buffer member, the conveying assembly has at least two conveying ports, the conveying port is configured to connect with a target device, the conveying assembly comprises a circular pipeline and a conveying member, a first end of the circular pipeline is connected with a discharge port of the buffer member, a second end of the circular pipeline is connected with a return port of the buffer member, and the conveying member is connected between the discharge port and the first end of the circular pipeline; a weight meter, wherein the weight meter is connected with the buffer member and is configured to detect a weight of the substance in the buffer member; and a control assembly, wherein each conveying port is provided with one control assembly, the control assembly is configured to control communication and cutoff of a pipeline between the conveying port and the corresponding target device, the control assembly comprises a valve and a detection member, the valve is disposed on the conveying port and capable of being connected with the target device, the detection member is mounted between the conveying port and the valve, and the detection member is configured to detect an amount of the substance conveyed through the valve; wherein the conveying member, the conveying port, the detection member, and the valve are connected in sequence between the buffer member and the target device.

2 . The substance feeding device according to claim 1 , wherein the control assembly further comprises a first control member, and the first control member is mounted between the conveying port and the detection member and is configured to control communication and cutoff of a pipeline between the conveying port and the corresponding valve based on a control signal sent by a controller.

3 . The substance feeding device according to claim 2 , wherein the control assembly further comprises a second control member, and the second control member is connected between the conveying port and the first control member and is configured to manually control communication and cutoff of a pipeline between the conveying port and the first control member.

4 . The substance feeding device according to claim 1 , wherein is electrically connected with the weight meter, and the conveying member is configured to push the substance stored in the buffer member into the circular pipeline.

5 . The substance feeding device according to claim 4 , wherein the conveying assembly further comprises a pressure control member, and the pressure control member is connected between the return port and the second end of the circular pipeline and is configured to control a magnitude of a force acting on the substance in the circular pipeline.

6 . A mixing system, comprising:
the substance feeding device according to claim 1 ; and at least two mixing devices, wherein each mixing device is connected with one valve.

7 . A battery production line, comprising:
a substance storage system, wherein the substance storage system is configured to store a substance; and the mixing system according to claim 6 , wherein the buffer member is connected with the substance storage system.

8 . A substance feeding device, comprising:
a buffer member, wherein the buffer member is configured to store a substance; a conveying assembly, wherein the conveying assembly comprises a circular pipeline and a plurality of conveying ports, a first end of the circular pipeline is connected with a discharge port of the buffer member, a second end is connected with a return port of the buffer member, the circular pipeline and the buffer member form a circulation loop, the plurality of conveying ports are sequentially distributed on the circular pipeline of the circulation loop, a flow direction of the substance in the circulation loop is from the discharge port to the plurality of conveying ports in sequence, and then to the return port, and each of the plurality of conveying ports is configured to connect with a target device; a weight meter, wherein the weight meter is connected with the buffer member and is configured to detect a weight of the substance in the buffer member; and a control assembly, wherein each conveying port is provided with one control assembly, wherein the control assembly is configured to control communication and cutoff of a pipeline between the conveying port and the corresponding target device, the control assembly comprises a valve, and the valve is disposed on the conveying port and capable of being connected with the target device.

Assignees

• Contemporary Amperex Technology Co Ltd

Inventors

• Bai Rui
• Cai Ronghui

Classifications

• G05D7/0605

  specially adapted for solid materials · CPC title

• B01F35/71

  Feed mechanisms (with proportioning B01F35/80) · CPC title

• B28C7/0481

  Plant for proportioning, supplying or batching (B28C7/0436, B28C7/0811 take precedence; plant in general B28C9/00) · CPC title

• H01M10/0404

  Machines for assembling batteries · CPC title

• H01M4/0404

  by coating on electrode collectors · CPC title