Self-discharging type needling electric discharge machine for processing cylindrical lithium battery

By designing a self-unloading needle-punching discharge machine, the problem of lithium batteries adhering to the needle-punching roller is solved by utilizing the conveying and unloading mechanism. This achieves safe and efficient lithium battery discharge, avoids grate damage and needle head tilting, and improves discharge efficiency and safety.

CN223828474UActive Publication Date: 2026-01-23GONGYI CITY XINGMAO MECHANICAL EQUIP CO LTD
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Patent Information

Application Number
CN202520495967.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-20
Publication Date
2026-01-23
Estimated Expiration
2035-03-20

AI Technical Summary

Technical Problem

When processing lithium batteries, existing needle-punching discharge machines often cause lithium batteries to be carried away by the needle-punching rollers, resulting in damage to the grate or tilting of the needle-punching head. Furthermore, it is difficult to effectively remove the adhered lithium batteries, posing a safety hazard.

Method used

A self-unloading needle-punching discharge machine was designed, which adopts a conveying mechanism and an unloading mechanism. Through the cooperation of the conveyor belt and the push belt, and the use of the unloading rack connected by springs and the clearance hole structure, the lithium battery is safely unloaded, and the lithium battery is prevented from adhering to the needle head.

Benefits of technology

It achieves safe and efficient discharge of lithium batteries, avoids damage to the grate and tilting of the needle head, and improves discharge efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a self-unloading type needling electric discharge machine for processing cylindrical lithium batteries, which comprises a support, a needling roller, an auxiliary roller and a power box are arranged on the support, power shafts are arranged on the needling roller and the auxiliary roller, the needling roller and the auxiliary roller are connected with the power box through the power shafts, a needling head is arranged on the needling roller, and the self-unloading type needling electric discharge machine further comprises a conveying mechanism. The conveying mechanism comprises a conveying belt arranged on the support, and pushing belts arranged at intervals are arranged on the conveying belt. The discharging mechanism comprises a fixing frame arranged on the end face of the needling roller, the fixing frame is connected with a spring, the other end of the spring is connected with a discharging frame, a receding hole is formed in the discharging frame, and the needling head is sleeved with the receding hole. The cylindrical lithium battery needling discharging device has the advantages that needling discharging of a cylindrical lithium battery can be achieved, and safety is good.
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Description

Technical Field

[0001] This utility model relates to the technical field of waste cylindrical lithium battery processing, specifically to a self-unloading needle-punching discharge machine for processing cylindrical lithium batteries. Background Technology

[0002] Cylindrical lithium batteries are widely used in the battery industry and have high recycling value. Meanwhile, the recovery of metal resources from waste lithium batteries has received widespread attention. During the recycling process, cylindrical lithium batteries require discharge treatment, typically using a needle-punching method. This involves setting up needle-punching rollers and auxiliary rollers. The needle-punching rollers have needles that can puncture and discharge the lithium batteries passing between the two rollers. However, in existing needle-punching discharge machines, lithium batteries are easily carried away by the needle-punching rollers during discharge. Tools such as grates are usually needed for this purpose. The disadvantage of using grates is that they cannot effectively remove the carried-away lithium batteries and may even damage the grates or cause the needle-punching heads to tilt.

[0003] A patent publication number CN220189747U was found, entitled "A Needle Puncture Discharge Machine for Waste Lithium Batteries," which specifically discloses a needle punch discharge machine for waste lithium batteries. The machine includes a support frame with a fixed frame mounted on its upper end. A horizontally placed needle punch roller and driven roller are mounted on the fixed frame via bearings. A feeding hopper is connected to the support frame via a pin. The lower end of the feeding hopper is horizontal to the gap between the needle punch roller and driven roller, allowing material to be fed into the gap. A discharge hopper is located on the other side of the needle punch roller. A needle punch motor is connected to the needle punch roller to drive its rotation. A material blocking device is provided on the support frame for unloading the needle-punched lithium batteries.

[0004] Analysis of the aforementioned publicly available materials reveals that the lithium battery feeding device utilizes a baffle mounted on a support. The baffle is plate-shaped, with several spaced-apart teeth at its ends. The gaps between the teeth allow for clearance of the needle-piercing head. While this structure enables feeding, the contact between the needle-piercing head and the teeth with the lithium battery can easily damage the teeth and even cause the needle-piercing head to tilt. Utility Model Content

[0005] In view of this, the present invention provides a self-unloading needle-punching discharge machine for processing cylindrical lithium batteries, which can not only realize needle-punching discharge of cylindrical lithium batteries, but also has good safety.

[0006] To address the aforementioned technical problems, this utility model provides a self-unloading needle-punching discharge machine for processing cylindrical lithium batteries, comprising a support frame, on which a needle-punching roller, an auxiliary roller, and a power box are mounted. The needle-punching roller and the auxiliary roller are equipped with power shafts connected to the power box. The needle-punching roller is equipped with a needle-punching head. The machine also includes…

[0007] A conveying mechanism, comprising a conveyor belt mounted on a support, wherein the conveyor belt is provided with pusher belts arranged at intervals;

[0008] The unloading mechanism includes a fixed frame disposed on the end face of the needle roller, the fixed frame is connected to a spring, the other end of the spring is connected to an unloading frame, the unloading frame is provided with a clearance hole, and the clearance hole is fitted onto the needle head.

[0009] Furthermore, the pusher belt is perpendicular to the material conveying direction, the pusher belt has a raised strip structure, the pusher belt is set on the outer end face of the conveyor belt, the conveyor belt is inclined, and the lower end is set on the outside of the gap between the needle roller and the auxiliary roller. An inclined plate is provided between the lower end face of the conveyor belt and the needle roller for the cylindrical lithium battery to roll in.

[0010] Furthermore, the fixing frame is fixed to both ends of the needle roller, and the fixing frame is for a row of needle heads.

[0011] Furthermore, a spring is fixedly installed at the outer end of the fixing frame, and the other end of the spring is fixedly connected to the unloading frame. The unloading frame is parallel to the axis of the needle roller and has a plate-shaped structure.

[0012] Furthermore, the relief hole is a circular hole structure, the relief hole and the needle head are coaxial, and the needle head is a conical structure.

[0013] The beneficial effects of the above-mentioned technical solution of this utility model are as follows:

[0014] 1. It can achieve needle-puncture discharge of cylindrical lithium batteries. By setting needle-puncture rollers and auxiliary rollers, cylindrical lithium batteries passing between the two can be needle-punctured and discharged.

[0015] 2. Good safety: By setting up a discharge rack and spring, the lithium battery stuck to the needle head can be ejected and discharged by the spring force, avoiding the occurrence of safety hazards. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the structure of a needle-punching roller;

[0018] Figure 3 for Figure 2 Enlarged view of A in the middle;

[0019] In the diagram: 1. Support; 2. Conveyor belt; 3. Pusher belt; 4. Power box; 5. Receiving hopper; 6. Needle roller; 7. Auxiliary roller; 8. Power shaft; 9. Fixing frame; 10. Spring; 11. Unloading frame; 12. Clearing hole; 13. Needle seat; 14. Needle head. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the following will be described in conjunction with the accompanying drawings of the embodiments of this utility model. Figure 1-3 The technical solutions of the embodiments of this utility model are clearly and completely described herein. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model are within the protection scope of this utility model.

[0021] like Figure 1-3 As shown: Example

[0022] A self-unloading needle-punching discharge machine for processing cylindrical lithium batteries includes a support 1, on which a needle-punching roller 6, an auxiliary roller 7, and a power box 4 are mounted. A power shaft 8 is mounted on the needle-punching roller 6 and the auxiliary roller 7, connecting them to the power box 4. A needle-punching head 14 is mounted on the needle-punching roller 6. The machine also includes a conveying mechanism, comprising a conveyor belt 2 mounted on the support 1, with spaced-apart pusher belts 3 on the conveyor belt 2. Finally, an unloading mechanism includes a fixing frame 9 mounted on the end face of the needle-punching roller 6, with a spring 10 connected to the fixing frame 9. The other end of the spring 10 is connected to an unloading frame 11, which has a clearance hole 12 fitted onto the needle-punching head 14.

[0023] In this embodiment, a motor is installed in the power box 4, which drives the needle-punching roller 6 to rotate via the power shaft 8. Simultaneously, the auxiliary roller 7 can also rotate via the motor. A conveyor belt 2 is installed on one side of the needle-punching roller 6 to transport the cylindrical lithium batteries. A pusher belt 3 is installed on the conveyor belt 2 to allow the lithium batteries to enter the needle-punching roller 6 laterally. A discharge mechanism is installed on the needle-punching roller 6. Specifically, the discharge mechanism includes a fixing frame 9, on which a spring 10 is installed. The spring 10 is connected to a discharge rack 11, which has clearance holes 12. By using the spring 10, the cylindrical lithium batteries can be ejected and discharged, preventing them from sticking to the needle-punching roller 6. Example

[0024] The pusher belt 3 is perpendicular to the material conveying direction. The pusher belt 3 has a raised strip structure and is set on the outer end face of the conveyor belt 2. The conveyor belt 2 is inclined and its lower end is set on the outside of the gap between the needle roller 6 and the auxiliary roller 7. An inclined plate is provided between the lower end face of the conveyor belt 2 and the needle roller 6 for the cylindrical lithium battery to roll in.

[0025] Unlike the above embodiments, in this embodiment, the pusher belt 3 can ensure that the lithium battery enters laterally, which improves the discharge efficiency of the lithium battery and can increase the number of pinholes on the lithium battery. Example

[0026] The fixing frame 9 is fixed on both ends of the needle roller 6, and the fixing frame 9 is for a row of needle heads 14.

[0027] Unlike the above embodiments, in this embodiment, the fixing frame 9 is used to fix one end of the spring 10, and one fixing frame 9 corresponds to one row of needle heads 14. Example

[0028] A spring 10 is fixedly installed at the outer end of the fixed frame 9, and the other end of the spring 10 is fixedly connected to the unloading frame 11. The unloading frame 11 is parallel to the axis of the needle roller 6 and has a plate-shaped structure.

[0029] Unlike the above embodiments, in this embodiment, the other end of the spring 10 is fixedly connected to the unloading rack 11, and one unloading rack 11 is used for a row of needle heads 14. Example

[0030] The clearance hole 12 is a circular hole structure, and the clearance hole 12 and the needle head 14 are coaxial. The needle head 14 is a conical structure.

[0031] Unlike the above embodiments, in this embodiment, the clearance hole 12 is a circular hole structure, and one clearance hole 12 corresponds to one needle head 14.

[0032] The working method (or working principle) of this utility model:

[0033] In operation, when the lithium battery is needled, a row of needle heads 14 with a discharge rack 11 needles the lithium battery. A needle seat 13 is provided between the needle head 14 and the needle roller 6 to fix the needle head 14. The needle head 14 and the needle seat 13 are threadedly connected, allowing the needle head 14 to be replaced. The lithium battery enters laterally below the needle head 14. After needled, the discharge rack 11 enters the needle head 14 along with the lithium battery. When the lithium battery leaves the position between the needle roller 6 and the auxiliary roller 7, the spring 10, which has elasticity, pushes the discharge rack 11 outward. The discharge rack 11 ejects the lithium battery stuck to the needle head 14. The ejected lithium battery falls onto the receiving hopper 5 and slides down, completing the unloading process.

[0034] In this utility model, unless otherwise explicitly specified and limited, for example, it can be a fixed connection, a detachable connection, or an integral part; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components or an interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0035] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.

Claims

1. A self-unloading needle-punching discharge machine for processing cylindrical lithium batteries, comprising a support (1), wherein a needle-punching roller (6), an auxiliary roller (7), and a power box (4) are arranged on the support (1), a power shaft (8) is arranged on the needle-punching roller (6) and the auxiliary roller (7), and the power box (4) is connected to the power shaft (8), wherein a needle-punching head (14) is arranged on the needle-punching roller (6), characterized in that: It also includes, The conveying mechanism includes a conveyor belt (2) mounted on a support (1), and the conveyor belt (2) is provided with pusher belts (3) arranged at intervals; The unloading mechanism includes a fixed frame (9) set on the end face of the needle roller (6), the fixed frame (9) is connected to a spring (10), the other end of the spring (10) is connected to an unloading frame (11), the unloading frame (11) is provided with a clearance hole (12), and the clearance hole (12) is sleeved on the needle head (14).

2. The self-unloading needle-punching discharge machine for processing cylindrical lithium batteries according to claim 1, characterized in that: The pusher belt (3) is perpendicular to the material conveying direction. The pusher belt (3) has a raised strip structure. The pusher belt (3) is set on the outer end face of the conveyor belt (2). The conveyor belt (2) is inclined and the lower end is set on the outside of the gap between the needle roller (6) and the auxiliary roller (7). An inclined plate is provided between the lower end face of the conveyor belt (2) and the needle roller (6) for the cylindrical lithium battery to roll in.

3. A self-unloading needle-punching discharge machine for processing cylindrical lithium batteries according to claim 2, characterized in that: The fixing frame (9) is fixed on both ends of the needle roller (6), and the fixing frame (9) is for a row of needle heads (14).

4. A self-unloading needle-punching discharge machine for processing cylindrical lithium batteries according to claim 3, characterized in that: A spring (10) is fixedly installed at the outer end of the fixed frame (9), and the other end of the spring (10) is fixedly connected to the unloading frame (11). The unloading frame (11) is parallel to the axis of the needle roller (6), and the unloading frame (11) is a plate-shaped structure.

5. A self-unloading needle-punching discharge machine for processing cylindrical lithium batteries according to claim 4, characterized in that: The clearance hole (12) is a circular hole structure, and the clearance hole (12) and the needle head (14) are coaxial. The needle head (14) is a conical structure.

Citation Information

Patent Citations

  • Needle-punching electric discharge machine for waste lithium battery

    CN220189747U