Lithium ion battery negative electrode raw material feeding device

By designing a lithium-ion battery negative electrode raw material feeding device including storage box, feed assembly and regulation assembly, the problems of feed obstruction and accumulation are solved, and the accurate and timed and quantitative raw material feeding is achieved, and the raw material leakage is avoided.

CN222539935UActive Publication Date: 2025-02-28SHENZHEN YANHUA NEW ENERGY TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202420990982.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-09
Publication Date
2025-02-28
Estimated Expiration
2034-05-09

AI Technical Summary

Technical Problem

During the feeding process of negative electrode raw materials of lithium-ion batteries, due to the limited length of the feed pipe, the feed is easily blocked and accumulated, and the raw materials are easily leaked after feeding.

Method used

A lithium-ion battery negative electrode raw material feeding device is designed, including a storage box, a feed assembly and a control assembly. The material storage box is equipped with a feed outlet and an inlet and discharge pipe. Through the combination of a flip rack, an adapter plate, a connecting rod, a spring frame and a return spring, the feed and discharge pipe is extended and collected to ensure that the raw materials enter the processing equipment accurately. The control components achieve intermittent sealing of the feed discharge pipe through adapters, control rotors, retracting wheels, retracting belts and servo hydraulic cylinders, achieving regular and quantitative feed control.

Benefits of technology

It effectively solves the problems of feed blockage and accumulation, ensures accurate feeding of battery negative electrode raw materials and timed and quantitative feed control, and avoids raw material leakage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a lithium ion battery negative electrode raw material feeding device, relates to the technical field of battery production, and solves the technical problems that in the current feeding process, due to the fact that the length of a feeding pipe is limited and feeding is blocked, feeding accumulation is easily caused, and battery negative electrode raw materials are easily leaked after feeding. Comprising a material storage box, a clamping groove is formed in the bottom of the material storage box, two rotating shaft cylinders are fixedly installed in the material storage box, a rotating shaft rod is rotationally connected between the two rotating shaft cylinders in a sleeving mode, four stirring rotating plates are fixedly connected in the rotating shaft rod in a sleeving mode, and the four stirring rotating plates are distributed in the rotating shaft rod at equal intervals; the feeding and discharging pipe is pushed to extend, so that battery raw materials can accurately enter the processing equipment for production and processing, and the feeding and discharging pipe is intermittently blocked, so that timed and quantitative feeding control on the raw materials of battery cathode materials can be quickly and conveniently realized.
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Description

Technical Field

[0001] The utility model relates to the technical field of battery production, in particular to a negative electrode raw material feeding device for a lithium ion battery. Background Art

[0002] Lithium-ion battery is a secondary battery (rechargeable battery), which mainly relies on the movement of lithium ions between the positive electrode and the negative electrode to work. During the charge and discharge process, Li+ is embedded and de-embedded back and forth between the two electrodes: during charging, Li+ is de-embedded from the positive electrode, embedded in the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true during discharge; according to the "raw material feeding device" provided by China Patent Authorization Announcement No. CN219596819U, the water in the water tank is driven by a pump to circulate, so that the water in the water tank can take away the hot air emitted from the shell, and at the same time, the hot air is condensed and re-enters the shell, so that the generated steam is cooled and enters the water tank through the circulation pipe, and the roller drives the scraper to clean the inner wall of the shell, which is convenient for cleaning the inner wall of the shell in multiple directions, so as to achieve the effect of easy cleaning; however, during the feeding process, due to the limited length of the feeding pipe, the feeding is blocked, which is easy to cause the feeding to accumulate, and the negative electrode raw material of the battery is easy to leak after feeding;

[0003] Therefore, a lithium-ion battery negative electrode raw material feeding device is designed to solve the above problems. Utility Model Content

[0004] The utility model provides a negative electrode raw material feeding device for lithium ion batteries, which solves the technical problems that during the feeding process, the feeding is blocked due to the limited length of the feeding pipe, which easily causes the feeding to pile up, and the negative electrode raw material of the battery is prone to leakage after the feeding.

[0005] To solve the above technical problems, the utility model provides a lithium-ion battery negative electrode raw material feeding device, comprising a storage box, a clamping groove is provided at the bottom of the storage box, two rotating shaft cylinders are fixedly installed inside the storage box, a rotating shaft rod is rotatably sleeved between the two rotating shaft cylinders, four stirring rotating plates are fixedly sleeved inside the rotating shaft rod, and the four stirring rotating plates are evenly distributed inside the rotating shaft rod, a motor frame is fixedly installed on the top of the storage box, a driving motor is fixedly installed inside the motor frame, the output end of the driving motor is fixedly connected to the top end of the rotating shaft rod, two discharge ports are provided inside the storage box, feeding components are provided inside the two discharge ports, a transmission groove is provided inside the storage box, and a regulating component is provided inside the transmission groove.

[0006] Preferably, the feed assembly includes a movable tube, a feed discharge tube, a flip frame, an adapter plate, a connecting rotating rod, a spring frame and a return spring. The interiors of the two discharge ports are fixedly sleeved with movable tubes, the interiors of the two movable tubes are movably sleeved with feed discharge tubes, the outer walls of the two feed discharge tubes are fixedly installed with two flip frames, the exterior of each of the flip frames is rotatably sleeved with an adapter plate, the outer wall of each of the adapter plates is in contact with the outer wall of the storage box, the interior of each of the adapter plates is rotatably sleeved with a connecting rotating rod, the exterior of each of the connecting rotating rods is fixedly sleeved with a spring frame, and each of the spring frames is fixedly connected to the corresponding feed discharge tube with a return spring.

[0007] Preferably, the regulating component includes an adapter frame, an regulating rotating plate, a folding wheel, a wire passing drum, a support rod, a folding belt, a servo hydraulic cylinder and a pressing frame, and two adapter frames are fixedly installed on the outer wall of the storage box, the outer parts of the two adapter frames are rotatably sleeved with regulating rotating plates, the inner parts of the two regulating rotating plates are rotatably sleeved with folding wheels, the inner parts of the transmission groove are fixedly sleeved with two support rods, the outer parts of the two support rods are rotatably sleeved with wire passing drums, a folding belt is rotatably sleeved between the two folding wheels, both ends of the folding belt are fixedly connected to the outer wall of the storage box, the folding belt contacts the outer walls of the two wire passing drums, the outer part of the folding belt is fixedly sleeved with a pressing frame, the inner part of the transmission groove is fixedly installed with a servo hydraulic cylinder, and the bottom end of the hydraulic support rod inside the servo hydraulic cylinder contacts the outer wall of the pressing frame.

[0008] Preferably, a hydraulic frame is fixedly mounted on the inner wall of the transmission groove, and the servo hydraulic cylinder is fixed to the inner wall of the transmission groove through the hydraulic frame.

[0009] Preferably, two extension tubes are fixedly sleeved inside the material storage box, and the folding belt is movably sleeved with the material storage box via the extension tubes.

[0010] Preferably, a feeding hopper is fixedly mounted on one side of the material storage box, a connecting pipe is fixedly connected to the bottom end of the feeding hopper, and one end of the connecting pipe is movably plugged into the interior of the material storage box.

[0011] Compared with the related art, the lithium ion battery negative electrode raw material feeding device provided by the utility model has the following beneficial effects:

[0012] The utility model provides a negative electrode raw material feeding device for lithium-ion batteries. A discharge port is provided inside a material storage box, and a feed discharge pipe is fixedly sleeved inside the discharge port, so that the raw materials can be discharged and fall into the interior of a material processing device for production and processing. A turning frame is fixedly installed on the outer wall of the feed discharge pipe to support the two adapter plates for rotation, and then the spring frame is supported for rotation by connecting the rotating rod inside the adapter plate. A return spring is fixedly installed between the spring frame and the feed discharge pipe, and the two adapter plates are retracted through the elastic contraction of the spring, so that the feed discharge pipe is pushed to extend, so that the battery raw materials can accurately enter the interior of the processing equipment for production and processing; adapter frames are fixedly installed on both sides of the material storage box to switch The control rotating plate is used for rotation support, and secondly, a folding wheel is rotatably sleeved inside the two regulating rotating plates, a transmission groove is opened inside the storage box, and two support rods are fixedly installed inside the transmission groove, so as to rotationally support the two wire passing drums, and a folding belt is rotatably sleeved between the two folding rotating wheels, so that the two ends of the folding belt are fixedly connected to the outer wall of the storage box, and the folding belt is rotatably sleeved with the two wire passing drums, and then a pressing frame is fixedly installed on the outside of the folding belt, and a servo hydraulic cylinder is fixedly installed inside the transmission groove, so that the hydraulic support rod inside the servo hydraulic cylinder is in contact with the pressing frame, and the feed discharge pipe is intermittently blocked by flipping and controlling the regulating rotating plate, so as to achieve fast and convenient timed and quantitative feeding control of the raw materials of the battery negative electrode material. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a schematic diagram of the structure of the utility model in cross section;

[0015] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0016] Figure 4 For this utility model Figure 2 Schematic diagram of the enlarged structure at point B.

[0017] Numbers in the figure: 1. Storage box; 2. Transmission groove; 3. Card slot; 4. Rotating shaft cylinder; 5. Rotating shaft rod; 6. Feeding assembly; 601. Movable pipe; 602. Feeding discharge pipe; 603. Turning frame; 604. Adapter plate; 605. Connecting rotating rod; 606. Spring frame; 607. Reset spring; 7. Stirring rotating plate; 8. Feeding hopper; 9. Control assembly; 901. Adapter frame; 902. Control rotating plate; 903. Folding wheel; 904. Wire drum; 905. Support rod; 906. Folding belt; 907. Servo hydraulic cylinder; 908. Pressing frame; 10. Connecting pipe; 11. Driving motor; 12. Hydraulic frame; 13. Extension cylinder; 14. Motor frame; 15. Discharging port. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] Embodiment 1, by Figure 1-4 The utility model includes a material storage box 1, the bottom of which is provided with a snap-in groove 3, two rotating shaft tubes 4 are fixedly installed inside the material storage box 1, a rotating shaft rod 5 is rotatably sleeved between the two rotating shaft tubes 4, four stirring rotary plates 7 are fixedly sleeved inside the rotating shaft rod 5, and the four stirring rotary plates 7 are evenly distributed inside the rotating shaft rod 5, a motor frame 14 is fixedly installed on the top of the material storage box 1, a driving motor 11 is fixedly installed inside the motor frame 14, and the output end of the driving motor 11 is fixedly connected to the top of the rotating shaft rod 5, two discharge ports 15 are provided inside the two discharge ports 15, a feeding assembly 6 is provided inside the material storage box 1, a transmission groove 2 is provided inside the material storage box 1, and a regulating assembly 9 is provided inside the transmission groove 2.

[0020] Embodiment 2, on the basis of embodiment 1, the feed assembly 6 includes a movable tube 601, a feed discharge tube 602, a flip frame 603, an adapter plate 604, a connecting rod 605, a spring frame 606 and a reset spring 607, the insides of the two discharge ports 15 are fixedly sleeved with the movable tube 601, the insides of the two movable tubes 601 are movably sleeved with the feed discharge tube 602, the outer walls of the two feed discharge tubes 602 are fixedly installed with two flip frames 603, and the outside of each flip frame 603 is rotatably sleeved There is an adapter plate 604, the outer wall of each adapter plate 604 is in contact with the outer wall of the storage box 1, the inside of each adapter plate 604 is rotatably sleeved with a connecting rod 605, the outside of each connecting rod 605 is fixedly sleeved with a spring frame 606, and each spring frame 606 is fixedly connected to the corresponding feed and discharge pipe 602 with a return spring 607, thereby extending the length of the feed and discharge pipe 602, so that the battery negative electrode raw material can be discharged from the inside of the storage box 1 and enter the inside of the processing equipment.

[0021] Embodiment 3, on the basis of embodiment 1, the regulating component 9 includes an adapter frame 901, a regulating rotating plate 902, a folding wheel 903, a wire drum 904, a support rod 905, a folding belt 906, a servo hydraulic cylinder 907 and a pressing frame 908, and two adapter frames 901 are fixedly installed on the outer wall of the storage box 1, and the outer parts of the two adapter frames 901 are rotatably sleeved with the regulating rotating plate 902, and the inner parts of the two regulating rotating plates 902 are rotatably sleeved with the folding wheel 903, and the inner parts of the transmission groove 2 are fixedly sleeved with two support rods 905, and the outer parts of the two support rods 905 are rotatably sleeved with the wire drum 904, a folding belt 906 is rotatably sleeved between the two folding wheels 903, and both ends of the folding belt 906 are fixedly connected to the outer wall of the storage box 1, and the folding belt 906 contacts the outer walls of the two wire-passing barrels 904. A pressing frame 908 is fixedly sleeved on the outside of the folding belt 906, and a servo hydraulic cylinder 907 is fixedly installed inside the transmission groove 2. The bottom end of the hydraulic support rod inside the servo hydraulic cylinder 907 contacts the outer wall of the pressing frame 908, thereby achieving intermittent blocking of the feed discharge pipe 602, thereby achieving fast and convenient timed and quantitative feeding control of the raw materials of the battery negative electrode material.

[0022] Embodiment 4, on the basis of embodiment 3, a hydraulic frame 12 is fixedly installed on the inner wall of the transmission groove 2, and the servo hydraulic cylinder 907 is fixed to the inner wall of the transmission groove 2 through the hydraulic frame 12, thereby fixing the servo hydraulic cylinder 907 inside the transmission groove 2.

[0023] Embodiment 5, on the basis of embodiment 3, two extension tubes 13 are fixedly sleeved inside the storage box 1, and the folding belt 906 is movably sleeved with the storage box 1 through the extension tubes 13, so that the folding belt 906 is not restricted when it is stretched.

[0024] Embodiment 6, on the basis of embodiment 1, a hopper 8 is fixedly installed on one side of the storage box 1, and a connecting pipe 10 is fixedly connected to the bottom end of the hopper 8, and one end of the connecting pipe 10 is movably inserted into the interior of the storage box 1, thereby allowing the battery negative electrode raw materials to be put into the interior of the storage box 1 for storage.

[0025] Working principle: First, a clamping groove 3 is provided at the bottom of the storage box 1, so that the storage box 1 can be fixed on the top of the lithium-ion battery negative electrode material production equipment. Secondly, the four stirring rotating plates 7 are rotatably supported by the rotating shaft rod 5 inside the storage box 1, so that the raw materials inside the storage box 1 are stirred to avoid insufficient mixing of the raw materials. By providing a discharge port 15 inside the storage box 1, and a feed discharge pipe 602 is fixedly sleeved inside the discharge port 15, the raw materials can be discharged and fall into the material processing equipment for production. During production and processing, a flip frame 603 is fixedly installed on the outer wall of the feed and discharge pipe 602, so as to support the two adapter plates 604 in rotation, and then the spring frame 606 is supported in rotation by connecting the rotating rod 605 inside the adapter plate 604. Secondly, a return spring 607 is fixedly installed between the spring frame 606 and the feed and discharge pipe 602. The elastic contraction of the spring allows the two adapter plates 604 to be retracted, and then the feed and discharge pipe 602 is pushed to extend, so that the battery raw materials can accurately enter the processing equipment. The production and processing is carried out inside the equipment; the adapter frame 901 is fixedly installed on both sides of the storage box 1, and the regulating rotating plate 902 is rotatably supported. Secondly, the folding wheels 903 are rotatably sleeved inside the two regulating rotating plates 902. A transmission groove 2 is opened inside the storage box 1, and two support rods 905 are fixedly installed inside the transmission groove 2, so as to rotatably support the two wire drums 904. A folding belt 906 is rotatably sleeved between the two folding rotating wheels 903, so that the two ends of the folding belt 906 are rotatably sleeved with the two folding rotating wheels 903. The outer wall of the storage box 1 is fixedly connected, and the folding belt 906 is rotatably sleeved with the two wire reels 904, and a pressing frame 908 is fixedly installed on the outside of the folding belt 906, and a servo hydraulic cylinder 907 is fixedly installed inside the transmission groove 2, so that the hydraulic support rod inside the servo hydraulic cylinder 907 is in contact with the pressing frame 908, and the feed discharge pipe 602 is intermittently blocked by flipping the regulating turntable 902, thereby achieving fast and convenient timed and quantitative feeding control of the raw materials of the battery negative electrode material.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lithium-ion battery negative electrode raw material feeding device, comprising a storage box (1), characterized in that: The bottom of the material storage box (1) is provided with a clamping groove (3), two rotating shaft cylinders (4) are fixedly installed inside the material storage box (1), a rotating shaft rod (5) is rotatably sleeved between the two rotating shaft cylinders (4), four stirring rotating plates (7) are fixedly sleeved inside the rotating shaft rod (5), and the four stirring rotating plates (7) are evenly distributed inside the rotating shaft rod (5), a motor frame (14) is fixedly installed on the top of the material storage box (1), a driving motor (11) is fixedly installed inside the motor frame (14), and the output end of the driving motor (11) is fixedly connected to the top of the rotating shaft rod (5), two discharge ports (15) are provided inside the material storage box (1), and a feeding assembly (6) is provided inside the two discharge ports (15), a transmission groove (2) is provided inside the material storage box (1), and a regulating assembly (9) is provided inside the transmission groove (2).

2. A lithium-ion battery negative electrode raw material feeding device according to claim 1, characterized in that: The feed assembly (6) comprises a movable tube (601), a feed discharge tube (602), a flip frame (603), an adapter plate (604), a connecting rod (605), a spring frame (606) and a return spring (607); the insides of the two discharge ports (15) are fixedly sleeved with the movable tube (601); the insides of the two movable tubes (601) are movably sleeved with the feed discharge tube (602); the outer walls of the two feed discharge tubes (602) are fixedly mounted with two flip frames (60 3), the outside of each of the flip frames (603) is rotatably sleeved with an adapter plate (604), the outer wall of each of the adapter plates (604) is in contact with the outer wall of the storage box (1), the inside of each of the adapter plates (604) is rotatably sleeved with a connecting rod (605), the outside of each of the connecting rods (605) is fixedly sleeved with a spring frame (606), and each of the spring frames (606) is fixedly connected to a return spring (607) between the corresponding feed and discharge pipe (602).

3. A lithium-ion battery negative electrode raw material feeding device according to claim 1, characterized in that: The regulating assembly (9) comprises an adapter frame (901), a regulating rotating plate (902), a folding rotating wheel (903), a wire reel (904), a support rod (905), a folding belt (906), a servo hydraulic cylinder (907) and a pressing frame (908); two adapter frames (901) are fixedly mounted on the outer wall of the storage box (1); the outer parts of the two adapter frames (901) are rotatably sleeved with the regulating rotating plates (902); the inner parts of the two regulating rotating plates (902) are rotatably sleeved with the folding rotating wheels (903); the inner parts of the transmission groove (2) are fixedly sleeved with two support rods (905); The outside of the two support rods (905) are rotatably sleeved with a wire passing drum (904), and a folding belt (906) is rotatably sleeved between the two folding wheels (903). Both ends of the folding belt (906) are fixedly connected to the outer wall of the storage box (1), and the folding belt (906) contacts the outer walls of the two wire passing drums (904). The outside of the folding belt (906) is fixedly sleeved with a pressing frame (908), and the inside of the transmission groove (2) is fixedly installed with a servo hydraulic cylinder (907), and the bottom end of the hydraulic support rod inside the servo hydraulic cylinder (907) contacts the outer wall of the pressing frame (908).

4. A lithium ion battery negative electrode raw material feeding device according to claim 3, characterized in that: A hydraulic frame (12) is fixedly mounted on the inner wall of the transmission groove (2), and the servo hydraulic cylinder (907) is fixed to the inner wall of the transmission groove (2) via the hydraulic frame (12).

5. A lithium-ion battery negative electrode raw material feeding device according to claim 3, characterized in that: Two extension tubes (13) are fixedly sleeved inside the material storage box (1), and the folding belt (906) is movably sleeved with the material storage box (1) via the extension tubes (13).

6. A lithium-ion battery negative electrode raw material feeding device according to claim 1, characterized in that: A feeding hopper (8) is fixedly mounted on one side of the material storage box (1), a connecting pipe (10) is fixedly connected to the bottom end of the feeding hopper (8), and one end of the connecting pipe (10) is movably plugged into the interior of the material storage box (1).

Citation Information

Patent Citations

  • Raw material feeding device

    CN219596819U