A cutting member for a battery case

Abstract

The utility model discloses a cutting piece for battery shell, wherein, including base and cutting assembly, cutting assembly sets up on the base, cutting assembly includes first cutting bin and second cutting bin, first cutting bin and second cutting bin are linear arrangement along the first direction, and interval setting, be equipped with the protection bin between first cutting bin and second cutting bin, wherein, the first cutting bin is along the axial cutting of battery shell of the base, the second cutting bin is along the radial cutting of the head of battery shell of the base, through setting first cutting bin and second cutting bin, respectively along the circumference and radial cutting of base battery's shell body and head, through one operation can cut battery shell to the shell of battery is peeled in big piece, solved the problem that the existing battery shell cutting device needs to cut many times to peel the battery shell.

Description

Technical Field

[0001] This utility model relates to the field of battery technology, and in particular to a cutting tool for battery casing. Background Technology

[0002] With the large-scale application of lithium-ion batteries in consumer electronics, electric vehicles, and energy storage, the volume of retired batteries is increasing year by year, generating a massive amount of solid waste. If these waste batteries are not effectively disposed of, they not only occupy land resources, but their internal heavy metals, organic electrolytes, and fluorides are also more likely to cause soil and water pollution through leakage and migration, and may even induce the risk of combustion and explosion, seriously threatening the ecological environment and public safety.

[0003] In the recycling process of spent lithium-ion batteries, the battery casing must first be disassembled. This involves opening the battery shell through cutting or other methods to remove the internal cells, thereby achieving the effective separation and subsequent recycling of key components such as positive and negative electrode active materials, current collectors, and electrolytes. However, most widely used battery casing cutting devices can only cut the battery casing in a single direction or dimension, and multiple cuts are required to peel off the battery casing.

[0004] Therefore, existing technologies still need improvement. Utility Model Content

[0005] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a cutting component for battery casings, which aims to solve the problem that most existing battery casing cutting devices can only cut the battery casing in a single direction or a single dimension, and require multiple cuts to peel off the battery casing.

[0006] The cutting tool for battery casing provided in this application adopts the following technical solution: A cutting tool for a battery casing, comprising: Base; A cutting assembly is disposed on the base; the cutting assembly includes a first cutting chamber and a second cutting chamber; the first cutting chamber and the second cutting chamber are arranged in a straight line along a first direction and are spaced apart; The first cutting chamber cuts the battery casing along the axial direction of the base; the second cutting chamber cuts the battery casing head along the radial direction of the base.

[0007] Optionally, the cutting component for the battery casing includes a first cutting channel on the first cutting chamber; at least two first cutters are provided in the first cutting channel; the at least two first cutters are arranged along the circumferential direction of the first cutting channel; and the first cutters cut the battery casing along the axial direction of the base.

[0008] Optionally, in the cutting tool for the battery casing, the first cutter has a triangular cross-sectional shape.

[0009] Optionally, in the cutting member for the battery casing, the second cutting chamber is provided with a second cutting channel; the inner wall of the second cutting channel is provided with a groove and a second cutter; the second cutter is rotatably disposed on the groove; wherein the second cutter cuts the casing head of the battery casing radially along the base.

[0010] Optionally, in the cutting tool for the battery casing, the second cutter has a fan-shaped cross-section.

[0011] Optionally, in the cutting component for the battery casing, a protective compartment is provided between the first cutting compartment and the second cutting compartment; the protective compartment is provided with a connecting channel; the connecting channel is used to accommodate the battery; the connecting channel is coaxially arranged with the first cutting channel.

[0012] Optionally, in the cutting member for the battery casing, the groove is disposed in the second cutting channel near the end of the protective compartment.

[0013] Optionally, in the cutting member for the battery casing, the second cutting chamber is provided with a driving member; the output shaft of the driving member is connected to the second cutter in a transmission manner.

[0014] Optionally, in the cutting member for the battery casing, the sum of the length of the connecting channel, the length of the first cutting channel, and the length of the second cutting channel is less than or equal to the length of the battery.

[0015] Optionally, in the cutting member for the battery casing, the first cutting channel and the second cutting channel are coaxially arranged.

[0016] Compared with the prior art, the embodiments of this utility model have the following advantages: This application sets up a first cutting chamber and a second cutting chamber. When the battery enters the cutting assembly, the first cutting chamber cuts the battery casing along the circumference of the base, and the second cutting chamber cuts the battery casing head along the radial direction of the base. The battery casing can be cut in one operation to peel off large pieces of the battery casing. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is an exploded view of the main body of the cutting component for the battery casing in the embodiments of this application; Figure 2 This is a schematic diagram of the structure of the first cutting chamber in an embodiment of this application; Figure 3 yes Figure 2 Enlarged view of point A in the middle; Figure 4 This is a schematic diagram of the structure of the second cutting chamber in an embodiment of this application; Figure 5 yes Figure 4 Enlarged view of point B in the middle; Figure 6 This is a schematic diagram of the protective compartment in the embodiments of this application; Explanation of reference numerals in the attached drawings: 110, base; 120, fixing cylinder; 121, installation channel; 210, first cutting chamber; 211, first cutting channel; 212, first cutter; 220, second cutting chamber; 221, second cutting channel; 222, second cutter; 230, protective chamber; 231, connecting channel. Detailed Implementation

[0019] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] The present application will be further described in detail below with reference to the accompanying drawings.

[0021] As a protective shell for the internal materials of the battery, the battery casing needs to possess sufficient rigidity and toughness to maintain the integrity of the internal structure. However, this also makes the casing difficult to peel off during the dismantling of used batteries. Due to its rigidity and toughness, conventional methods require cutting with a tool to peel it off. However, the battery casing consists of a body and a top, and existing cutting tools can usually only cut in a single direction or dimension. Moreover, a single cut cannot achieve rapid peeling of the casing, resulting in low dismantling efficiency.

[0022] like Figure 1 As shown in the figure, this application discloses a cutting component for a battery casing, comprising: a base and a cutting assembly; the cutting assembly is disposed on the base; the cutting assembly includes a first cutting chamber 210 and a second cutting chamber 220; the first cutting chamber 210 and the second cutting chamber 220 are arranged in a straight line along a first direction and are spaced apart; a protective chamber 230 is provided between the first cutting chamber 210 and the second cutting chamber 220; wherein, the first cutting chamber 210 cuts the body of the battery casing along the axial direction of the base; the second cutting chamber 220 cuts the head of the battery casing along the axial direction of the base.

[0023] This application cuts the battery casing by setting up a first cutting chamber 210 and a second cutting chamber 220. In actual use, the first cutting chamber 210 and the second cutting chamber 220 are arranged in a straight line and spaced apart, with a protective chamber 230 between them. When cutting the battery casing, the battery is first pushed into the first cutting chamber 210. As the battery passes through the first cutting chamber 210 and enters the protective chamber 230, the body of the battery casing is cut. When the battery continues to be pushed through the protective chamber 230 and the top of the battery casing extends into the second cutting chamber 220, the second cutting chamber 220 cuts off the top of the battery casing. In this way, by setting up the first cutting chamber 210 and the second cutting chamber 220 to cut the battery casing in two dimensions, both the body and the top of the battery casing can be cut in one operation, allowing for large-scale peeling of the battery casing and improving the efficiency of battery casing cutting.

[0024] like Figure 2 and Figure 3 As shown, in this embodiment, the first cutting chamber 210 is provided with a first cutting channel 211; the first cutting channel 211 is provided with at least two first cutters 212; the at least two first cutters 212 are arranged along the circumferential direction of the first cutting channel 211.

[0025] Specifically, the inner wall of the first cutting channel 211 is provided with at least two first cutters 212. The at least two first cutters 212 are evenly arranged along the circumferential direction of the first cutting channel 211, and the blades of the first cutters 212 are all facing the central axis of the first cutting channel 211. With this design, when the battery passes through the first cutting channel 211, the first cutters 212 provided on the inner wall of the first cutting channel 211 cut the battery casing along the first direction.

[0026] In actual production, the number of first cutters 212 can be set to 2, 3, 4, or more. In this embodiment, there are four first cutters 212, which are evenly spaced around the inner wall of the first cutting chamber 210. When the battery passes through the first cutting chamber 210, the four first cutters 212 evenly cut the battery casing into four equal parts, removing the battery casing in large pieces and increasing the cutting speed. In addition, in actual production, the first cutting chamber 210 has different sizes, and the first cutting chamber 210 of different sizes has first cutting channels 211 of different diameters. When cutting the battery, the first cutting chamber 210 of different diameters can be selected according to the size of the battery to ensure that the diameter of the first cutting channel 211 matches the thickness of the battery. This ensures that the diameter of the first cutting chamber 210 is slightly smaller than the thickness of the battery, ensuring that the battery can pass smoothly through the first cutting channel 211 and can be cut by the first cutters 212 when passing through the first cutting channel 211.

[0027] like Figure 4 and Figure 5 As shown, in this embodiment, the second cutting chamber 220 is provided with a second cutting channel 221; the inner wall of the second cutting channel 221 is provided with a groove and a second cutter 222; the second cutter 222 is rotatably mounted on the groove. The groove is located at the end of the second cutting channel 221 near the protective chamber 230. The second cutting chamber 220 is provided with a driving member; the output shaft of the driving member is connected to the second cutter 222 in a transmission manner.

[0028] Specifically, the inner wall of the second cutting chamber 220 is provided with a groove, and the second cutter 222 is rotatably mounted on the groove. When the end of the battery extends into the second cutting chamber 220, the second cutter 222 rotates and cuts around the end of the battery to cut off the top of the battery casing. In actual use, the second cutter 222 is located at the end of the second cutting channel 221 near the protective chamber 230, so that when the end of the battery extends into the second cutting chamber 220, the top of the battery casing can be cut off. In one embodiment, the second cutting chamber 220 is provided with a driving member, and the output shaft of the driving member is connected to the second cutter 222 to drive the second cutter 222 to rotate.

[0029] In this embodiment, the first cutter 212 cuts the body of the battery casing from a first direction, and the second cutter 222 rotates and cuts the head of the battery casing from a second direction. By cutting the battery casing in two directions, the battery casing can be cut in one operation to peel off large pieces of the battery casing.

[0030] In this embodiment, the first cutter 212 has a triangular cross-sectional shape, and the second cutter 222 has a fan-shaped cross-sectional shape. Specifically, the first cutter 212 has a triangular cross-sectional shape with its apex facing the center of the first cutting channel 211; the second cutter 222 has a fan-shaped cross-sectional shape, and either its arc-shaped or vertical edge can be used as the cutting edge. When the battery passes through the first cutting channel 211, the triangular cutter cuts the battery casing axially. As the battery continues to extend into the second cutting channel 221, the second cutter 222 rotates and cuts the battery casing head radially.

[0031] In actual production, the diameters of the first cutting channel 211 and the second cutting channel 221 are both matched to the diameter of the battery. Specifically, the diameter of the first cutting channel 211 is slightly larger than the diameter of the battery, so that when the battery enters the first cutting channel 211, the first cutter 212 set on the inner wall of the first cutting channel 211 can contact the battery casing, ensuring that the first cutter 212 can cut the battery casing without cutting too deeply. The diameter of the second cutting channel 221 is also slightly larger than the diameter of the battery, allowing the battery to smoothly enter the second cutting channel 221, where the second cutter 222 removes the top of the battery casing.

[0032] In one embodiment, a plurality of first cutting channels 211 and second cutting channels 221 are provided. The plurality of first cutting channels 211 are arranged along the circumferential direction of the first cutting chamber 210, and similarly, the plurality of second cutting channels 221 are arranged along the circumferential direction of the second cutting chamber 220. In this way, each cutting channel can hold one battery for cutting, and multiple batteries can be cut at one time, thereby improving cutting efficiency.

[0033] like Figure 6 As shown, in this embodiment, the protective chamber 230 is provided with a connecting channel 231; the connecting channel 231 is used to carry the battery; specifically, the connecting channel 231 is coaxially arranged with the first cutting channel 211 and the second cutting channel 221. The protective chamber 230 is made of a high-temperature resistant material, such as stainless steel or alloy, and the inner wall of the connecting channel 231 is coated with a fire-retardant coating. The protective chamber 230 serves as a transition device between the first cutting chamber 210 and the second cutting chamber 220. When the battery casing is cut in the first cutting chamber 210, it enters the protective chamber 230 for transition, and then re-enters the second cutting chamber 220 from the protective chamber 230 to cut the top of the battery casing, ensuring the safety of the cutting process.

[0034] The length of the connecting channel 231, the length of the first cutting channel 211, and the length of the second cutting channel 221 are all less than or equal to the length of the battery.

[0035] In actual production, the lengths of each component are matched to the battery length, allowing the battery to smoothly enter from the first cutting channel 211 and pass through the protective chamber 230 into the second cutting channel 221. When the lengths of the connecting channel 231, the first cutting channel 211, and the second cutting channel 221 are all less than 1 / 3 of the battery channel length, the sum of the lengths of the connecting channel 231, the first cutting channel 211, and the second cutting channel 221 is less than the battery length. When the battery extends into the first cutting channel 211 and passes through the protective chamber 230 into the second cutting channel 221, at least a portion of the battery body is still exposed outside the cutting assembly. This allows the cut battery to be manually removed to peel off the battery casing.

[0036] In this embodiment, the "shell head" of the battery casing is the protruding end on the battery casing. Typically, this protruding end is the positive terminal of the battery. Therefore, during battery cutting, the protruding end of the battery casing is inserted into the first cutting chamber 210. The exposed end of the battery is manually pushed, and the battery passes through the first cutting chamber 210, the protection chamber 230, and the second cutting chamber 220 under the pushing force. The first cutting chamber 210 cuts the battery casing, and the second cutting chamber 220 cuts the battery shell head. In this embodiment, the lengths of the first cutting chamber 210, the protection chamber 230, and the second cutting chamber 220 can be selected according to the battery length, so that the sum of their three lengths matches the battery length. This ensures that the length of the battery entering the cutting assembly is 4 / 5 of the total battery length, with only 1 / 5 exposed. In this way, most of the battery casing is cut, and even if the exposed casing is not cut, the battery core can be easily peeled off the battery casing. In this embodiment, the battery casing cutting member disclosed in this application can be used in conjunction with other devices, such as a battery ejector device, to push the battery into the cutting assembly or to eject the battery placed in the cutting assembly.

[0037] In another embodiment of this utility model, the cutting component is fixedly mounted on the base. Specifically, the base includes a base 110 and a fixing cylinder 120. The base 110 can be mounted on other equipment, and a semi-circular groove is provided on the base 110. The fixing cylinder 120 is fixed in the groove. The fixing cylinder 120 is hollow, forming an installation channel 121, in which the cutting component is embedded. In actual production, a fixing groove is evenly arranged around the inner wall of the fixing cylinder 120, and a corresponding protrusion is also arranged around the outer surface of the cutting component. The protrusion is embedded in the fixing groove to fix the cutting component on the base. In some embodiments, the cutting component can also be fixedly mounted on the base by means of screw connection or interference fit.

[0038] In summary, this utility model discloses a cutting component for battery casings, comprising a base and a cutting assembly; the cutting assembly is disposed on the base; the cutting assembly includes a first cutting chamber and a second cutting chamber; the first cutting chamber and the second cutting chamber are arranged in a straight line along a first direction and are spaced apart; a protective chamber is provided between the first cutting chamber and the second cutting chamber; wherein, the first cutting chamber cuts the body of the battery casing along the first direction; and the second cutting chamber cuts the top of the battery casing along a second direction. This application, by setting the first cutting chamber and the second cutting chamber, cuts the body and top of the battery casing from the first direction and the second direction respectively, allowing the battery casing to be cut in a single operation, thus peeling off large pieces of the battery casing and solving the problem that existing battery casing cutting devices require multiple cuts to peel off the battery casing.

[0039] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other.

[0040] It should be noted that this utility model is described using a cutting part for battery casing as an example to illustrate the specific structure and working principle of this utility model. However, the application of this utility model is not limited to cutting parts for battery casing, and can also be applied to the production and use of other similar workpieces.

[0041] It should be understood that this invention is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this invention is limited only by the appended claims.

[0042] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A cutting tool for a battery casing, characterized in that, include: Base; A cutting assembly is disposed on the base; the cutting assembly includes a first cutting chamber and a second cutting chamber. The first cutting chamber and the second cutting chamber are arranged in a straight line along the first direction and are spaced apart; The first cutting chamber cuts the battery casing along the axial direction of the base; the second cutting chamber cuts the battery casing head along the radial direction of the base.

2. The cutting tool for a battery casing according to claim 1, characterized in that, The first cutting chamber is provided with a first cutting channel; the first cutting channel is provided with at least two first cutters; the at least two first cutters are arranged along the circumferential direction of the first cutting channel; wherein, the first cutters cut the battery casing along the axial direction of the base.

3. The cutting tool for a battery casing according to claim 2, characterized in that, The first cutter has a triangular cross-sectional shape.

4. The cutting tool for a battery casing according to claim 2, characterized in that, The second cutting chamber is provided with a second cutting channel; the inner wall of the second cutting channel is provided with a groove and a second cutter; the second cutter is rotatably mounted on the groove; wherein, the second cutter cuts the head of the battery casing radially along the base.

5. The cutting tool for a battery casing according to claim 4, characterized in that, The cross-sectional shape of the second cutter is fan-shaped.

6. The cutting tool for a battery casing according to claim 4, characterized in that, A protective compartment is provided between the first cutting compartment and the second cutting compartment; the protective compartment is provided with a connecting channel; the connecting channel is used to accommodate the battery; the connecting channel is coaxially arranged with the first cutting channel.

7. The cutting tool for a battery casing according to claim 6, characterized in that, The chute is located at the end of the second cutting channel near the protective chamber.

8. The cutting tool for a battery casing according to claim 4, characterized in that, The second cutting chamber is equipped with a driving component; the output shaft of the driving component is connected to the second cutter via a transmission.

9. The cutting tool for a battery casing according to claim 6, characterized in that, The length of the connection channel, the length of the first cutting channel, and the length of the second cutting channel are combined to be less than or equal to the length of the battery.

10. The cutting tool for a battery casing according to claim 4, characterized in that, The first cutting channel and the second cutting channel are coaxially arranged.

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