A battery core heating and disassembling device

Abstract

The present invention discloses a battery core heating and disassembling device, which relates to the technical field of battery waste treatment, and includes a material unwinding roller, a material winding roller and a first separation scraper, the first being arranged between the material unwinding roller and the material winding roller, and used to separate the pole piece and the diaphragm of the material to be disassembled, and also includes a storage box and a conveying roller group, the storage box is arranged on the side of the material winding roller away from the first separation scraper, and is used to collect the pole piece, the conveying roller group is arranged between the material unwinding roller and the first separation scraper, and is used to guide the front and the turning side of the material to be disassembled, and the conveying roller group is also provided with a heating device to heat the front and back sides of the material to be disassembled respectively. The heating device can transfer heat to the material to be disassembled being guided by the conveying roller group through the conveying roller group, and the heating of the material to be disassembled can volatilize the electrolyte, thereby improving the recycling efficiency, reducing the safety risk, and making the recycling process of the battery core more environmentally friendly.

Description

Technical Field

[0001] The present invention relates to the technical field of battery waste treatment, and in particular to a battery core heating and disassembly device. Background Art

[0002] The positive electrode, negative electrode, separator and other components contained in the battery core can be recycled by disassembling. These materials are of high value in battery production and can be used to manufacture new batteries or other products after recycling, thus realizing the recycling of resources.

[0003] However, due to the presence of electrolyte between the positive electrode sheet and the separator, as well as between the negative electrode sheet and the separator, fire or explosion may occur during the disassembly of the battery core, posing a threat to the safety of the workers and causing damage to the disassembly equipment.

[0004] Secondly, the electrolyte is one of the main pollutants in the process of disassembling the battery core. During the disassembly of the battery core, the electrolyte may pollute the soil, water and atmospheric environment;

[0005] In addition, the electrolyte has a certain degree of adhesion. Directly disassembling the battery core will lead to a decrease in the efficiency of battery core disassembly and may even damage the electrode and diaphragm, affecting the recycling rate of the material. Summary of the invention

[0006] The purpose of the embodiments of the present invention is to provide a battery core heating and disassembly device that can solve the above-mentioned problems existing in the prior art.

[0007] To achieve the above object, the present invention adopts the following technical solutions:

[0008] Provided is a battery core heating and disassembly device, comprising:

[0009] A material unwinding roller, which is configured to support the material to be disassembled and can release the material to be disassembled while supporting the material to be disassembled;

[0010] A material winding roller, spaced apart from the material unwinding roller, configured to collect the diaphragm;

[0011] A first separation scraper, disposed between the material unwinding roller and the material winding roller, for separating the pole piece and the diaphragm of the material to be disassembled;

[0012] A storage box, arranged on a side of the material winding roller away from the first separation scraper, for collecting the pole pieces;

[0013] a conveying roller group, arranged between the material unwinding roller and the first separating scraper, and used for guiding the front side and the turning side of the material to be disassembled, so that the material to be disassembled can be conveyed from the material unwinding roller to the first separating scraper;

[0014] The conveying roller group is also provided with a heating device to heat the front and back sides of the material to be disassembled respectively.

[0015] As an optional implementation, the conveying roller group includes:

[0016] A plurality of guide rollers, wherein the plurality of guide rollers are arranged at intervals to define a conveying direction of the material to be disassembled;

[0017] a first tension roller; and

[0018] A second tension roller, which is disposed at opposite ends of a rotating bracket with the first tension roller, and the first tension roller and the second tension roller can move around a rotating axis through the rotating bracket;

[0019] When the guide roller or the first tension roller and the second tension roller are provided with the heating device, the heating device is provided in a roller body or at one end of a roller body of the guide roller or the first tension roller and the second tension roller.

[0020] As an optional embodiment, a cutting device is further provided between the first separation scraper and the storage box, and the cutting device is configured to cut the electrode piece in sections during the process of the electrode piece being transported from the first separation scraper to the storage box, and the cutting device comprises:

[0021] A cutting bracket is formed with a cutting channel having a central opening;

[0022] A lower cutting knife, fixedly mounted on the cutting bracket and located below the cutting channel; and

[0023] An upper cutter is located in the cutting channel, and the upper cutter can be movably arranged on the cutting bracket in a direction close to and away from the cutting bracket, and the blade of the upper cutter is inclined relative to the blade of the lower cutter;

[0024] A driving motor has a fixed end mounted on the upper portion of the cutting bracket, and a driving end of the driving motor is drivingly connected to the upper cutter via a cam mechanism.

[0025] As an optional embodiment, a first clamping device is further provided between the first separation scraper and the cutting device, and the first clamping device is configured to clamp the pole piece between the first separation scraper and the cutting device during the process of the cutting device cutting the pole piece in sections, and the first clamping device includes:

[0026] A clamping bracket, with a clamping table formed on its upper part and connected to the cutting channel.

[0027] A clamping cylinder, arranged at the lower part of the clamping bracket. The piston rod of the clamping cylinder is fixed to the clamping bracket, so that the cylinder body of the clamping cylinder can move relative to the clamping bracket.

[0028] A connecting rod is arranged at the bottom of the cylinder body of the clamping cylinder. The opposite ends of the connecting rod extend along the width direction of the clamping table respectively. Guide rods are arranged at the opposite ends of the connecting rod. Each guide rod can movably pass through the clamping bracket and protrude from the surface of the clamping table. The two guide rods are connected by a clamping plate.

[0029] As an optional implementation manner, a vacuum conveying device is further arranged between the cutting device and the storage box. The vacuum conveying device is configured to suck the pole piece by negative pressure and convey the pole piece to the storage box.

[0030] A dust removal device is further arranged on the vacuum conveying device. The dust removal device is configured to clean and suck the surface of the pole piece located on the vacuum conveying device.

[0031] As an optional implementation manner, the vacuum conveying device includes:

[0032] A conveying bracket, on whose surface a conveying platform is formed along the pole piece disassembling direction. A hollow first negative pressure cavity is further arranged inside the conveying bracket. The first negative pressure cavity is connected to an external negative pressure source. A plurality of first negative pressure holes communicating with the first negative pressure cavity are spaced apart and arranged on the conveying bracket at the conveying platform.

[0033] A conveyor belt, used for carrying the pole piece. The conveyor belt is movably wound around the conveying bracket along the pole piece disassembling direction. A plurality of through adsorption holes are evenly distributed on the conveyor belt.

[0034] There are two vacuum conveying devices. The two vacuum conveying devices are connected by a turning device. The turning device is configured to turn the pole piece from one vacuum conveying device and convey it to the other vacuum conveying device. The turning device includes:

[0035] A turning bracket, arranged between the two vacuum conveying devices. An arc-shaped turning table is formed on its surface. One end of the turning table is connected and matched with one of the conveying platforms. The other end surface of the turning table faces one end of the other conveying platform. A hollow second negative pressure cavity is further arranged inside the turning bracket. The second negative pressure cavity is connected to an external negative pressure source. A plurality of second negative pressure holes communicating with the negative pressure cavity are spaced apart and arranged on the turning bracket at the turning table.

[0036] The same movable conveyor belt is also wound around the turning bracket;

[0037] The dust removal device is provided on both of the vacuum conveying devices.

[0038] As an alternative embodiment, the dust removal device includes:

[0039] A dust removal box, which has a hollow vacuum chamber formed inside. The vacuum chamber is connected to an external negative pressure source. The dust removal box is provided with a dust extraction port communicating with the vacuum chamber on one side close to the surface of the conveyor belt;

[0040] Two rotatable dust removal brushes are provided inside the dust removal box. At least part of the bristles of the two dust removal brushes extend out of the dust extraction port.

[0041] As an alternative embodiment, a visual detection device is provided on each of the vacuum conveying devices;

[0042] One of the visual detection devices is located between the dust removal device and the turning device closer to the cutting device;

[0043] The other visual detection device is located between the dust removal device and the storage box relatively far from the cutting device.

[0044] As an alternative embodiment, a tensioning device is further provided between the first separating blade and the cutting device. The tensioning device includes:

[0045] A first guiding roller group; and

[0046] A second guiding roller group. Both the first guiding roller group and the second guiding roller group are formed with guiding channels for guiding the pole pieces;

[0047] A third tension roller is provided between the first guiding roller group and the second guiding roller group. The third tension roller can move in the vertical direction. When the tensioning device conveys the pole pieces, the pole pieces are located below the third tension roller to support the third tension roller.

[0048] As an alternative embodiment, there are two material winding rollers, two first separating blades and two storage boxes. One of the material winding rollers, the first separating blade and the storage box are arranged in sequence to define the disassembly path of the positive pole piece, and the other material winding roller, the first separating blade and the storage box are arranged in sequence to define the disassembly path of the negative pole piece;

[0049] A second separating blade is further provided between the conveying roller group and the two first separating blades.

[0050] The beneficial effects of the present invention are as follows: In the process of the battery core heating and disassembling device releasing the material to be disassembled from the material unwinding roller, the heating device can transfer heat to the material to be disassembled being guided by the conveying roller group through the conveying roller group. Heating the material to be disassembled can volatilize the electrolyte, soften the internal structure of the battery core, and at the same time reduce the adhesion force between the electrode sheet and the separator, facilitating the subsequent separation by the first separation scraper and the unified recycling of different materials by the material winding roller and the storage box, thereby improving the recycling efficiency.

[0051] Meanwhile, heating causes the electrolyte to volatilize, reducing the safety risk during the disassembly process.

[0052] In addition, it also avoids the impact of the electrolyte on the environment, making the recycling process of the battery core more environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS

[0053] The present invention will be further described in detail below with reference to the drawings and embodiments.

[0054] Figure 1 It is a schematic structural diagram of the battery core heating and disassembling device according to an embodiment of the present invention;

[0055] Figure 2 It is one of the schematic partial structural diagrams of the battery core heating and disassembling device according to an embodiment of the present invention;

[0056] Figure 3 It is another schematic partial structural diagram of the battery core heating and disassembling device according to an embodiment of the present invention;

[0057] Figure 4 It is a schematic structural diagram of the cutting device according to an embodiment of the present invention;

[0058] Figure 5 It is a schematic structural diagram of the first clamping device according to an embodiment of the present invention;

[0059] Figure 6 It is a schematic structural diagram of the vacuum conveying device according to an embodiment of the present invention;

[0060] Figure 7 It is a schematic internal structural diagram of the vacuum conveying device according to an embodiment of the present invention;

[0061] Figure 8 It is a schematic structural diagram of the dust removal device according to an embodiment of the present invention;

[0062] Figure 9 It is a schematic internal structural diagram of the dust removal device according to an embodiment of the present invention;

[0063] Figure 10 It is a schematic structural diagram of the turning device according to an embodiment of the present invention;

[0064] Figure 11 Schematic diagram of the internal structure of the turning device according to an embodiment of the present invention;

[0065] Figure 12 Schematic diagram of the structure of the tensioning device according to an embodiment of the present invention;

[0066] Figure 13 Schematic diagram of the structure of the battery core according to an embodiment of the present invention.

[0067] In the figure: 10, material unwinding roller; 20, material winding roller; 30, first separating scraper; 40, storage box; 50, conveyor roller group; 51, guiding roller; 52, first tension roller; 53, second tension roller; 54, rotating bracket; 60, cutting device; 61, cutting bracket; 62, lower cutting knife; 63, upper cutting knife; 64, driving motor; 65, cam mechanism; 70, first clamping device; 71, clamping bracket; 711, clamping table; 72, clamping cylinder; 73, connecting rod; 74, guiding rod; 75, clamping plate; 80, vacuum conveying device; 81, conveying bracket; 811, conveying platform; 812, first negative pressure chamber; 813, first negative pressure hole; 82, conveyor belt; 83, adsorption hole; 90, dust removal device; 91, dust removal box; 911, vacuum chamber; 912, dust extraction port; 92, dust removal sweeping roller; 93, lifting device; 100, turning device; 101, turning bracket; 1011, turning table; 1012, second negative pressure chamber; 1013, second negative pressure hole; 200, vision detection device; 201, light source; 300, tensioning device; 301, first guiding roller group; 302, second guiding roller group; 303, third tension roller; 304, roller frame; 400, second separating scraper; 500, supporting body; 600, second clamping device; 700, third clamping device; 800, supporting frame; 801, supporting plate; 1000, upper diaphragm; 2000, positive electrode sheet; 3000, lower diaphragm; 4000, negative electrode sheet. Detailed implementation manners

[0068] To make the technical problems solved by the present invention, the technical solutions adopted and the achieved technical effects clearer, the technical solutions of the embodiments of the present invention will be further described in detail below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present invention.

[0069] In the description of the present invention, unless otherwise clearly defined and limited, the terms "connected", "connected to", and "fixed" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0070] In the present invention, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features therebetween. Moreover, the first feature being "above", "over", and "on" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "beneath", and "under" the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the horizontal height of the first feature is lower than that of the second feature.

[0071] The battery core, also known as the cell, as the core component of a lithium-ion battery, is the internal structure of the battery formed by alternately laminating the positive and negative electrode materials and through a winding process. It mainly consists of a positive electrode, a negative electrode, a separator, and an electrolyte.

[0072] With the continuous development of the new energy industry, the production capacity of battery cores is also continuously increasing. However, due to the influence of the yield rate of battery cores, waste core materials still occur during the production process of battery cores. These materials can recover the contained materials through disassembly, sorting, and crushing, and these materials have high value in battery production. After recovery, they can be used to manufacture new batteries or other products to achieve the recycling of resources.

[0073] However, as can be seen from the background art, due to the presence of electrolyte between the positive electrode sheet and the separator and between the negative electrode sheet and the separator, and the electrolyte is usually flammable and contains toxic chemicals. If the battery core is directly disassembled and recycled, the electrolyte may leak and come into contact with air, thus triggering safety accidents such as fires or explosions;

[0074] The unvolatile electrolyte may scatter or splash during the disassembly process of the battery core, polluting the working environment and the surrounding environment. If these harmful substances are discharged into the environment without proper treatment, they will pollute the soil, water source, and air, causing long-term adverse effects on the environment. At the same time, the harmful substances in the electrolyte may also pose a threat to the health of the operating personnel;

[0075] Secondly, the electrolyte is also corrosive. If the battery core with electrolyte is directly disassembled, the electrolyte may remain inside the disassembly equipment, causing corrosion and damage to the equipment and shortening its service life.

[0076] In addition, the electrolyte has a certain viscosity, and its viscosity and adhesiveness may cause the adhesion force between the electrode sheet and the separator to increase, making the separation and disassembly of the battery core more difficult. This will not only increase the disassembly difficulty and time of the battery core, but also may cause damage to the electrode sheet and the separator, reducing the recycling efficiency and affecting the reuse rate of materials.

[0077] The residues of the electrolyte on the electrode sheet and the separator may chemically react with other materials on the electrode sheet and the separator, generating new pollutants. These pollutants may increase the difficulty and cost of subsequent treatment, and even may affect the reuse value of the recycled materials.

[0078] In view of this, this embodiment provides a heating disassembly device for battery cores. The device mainly sets a heating device on its conveying roller group, so that during the process of guiding the disassembly path of the battery core material, the conveying roller group realizes the heating of the battery core material by contacting the front and back sides of the material, so that the electrolyte can volatilize before the battery core material is disassembled, thereby solving a series of technical problems mentioned in the above background technology.

[0079] Please refer to the attached Figures 1 - 3 , the heating disassembly device for battery cores includes:

[0080] A material unwinding roller 10. During the disassembly of the battery core, the material unwinding roller 10 is configured to support the material to be disassembled (battery core) and can release the material to be disassembled in the state of supporting the material to be disassembled. The battery core to be disassembled can be released from the original winding state under the action of the material unwinding roller 10 or other mechanisms (such as the material winding roller 20 described later) for subsequent disassembly work.

[0081] It can be understood that the material unwinding roller 10 is usually made of stainless steel or other suitable materials, with a certain mechanical strength and corrosion resistance, so that the material unwinding roller 10 can ensure that the material to be disassembled remains flat and stable during the unwinding process, avoiding distortion or breakage and improving the recycling rate of the material.

[0082] During the material disassembly process, the material unwinding roller 10 can release the material to be disassembled by rotating, and may be equipped with a tension control system to ensure the smoothness and consistency of the unwinding process.

[0083] Of course, in some embodiments, in addition to the above-described active roller form, the material unwinding roller 10 can also adopt the form of a passive roller. For example, it can be unwound passively under the action of the subsequent material winding roller 20 to ensure that the core material is in a good tension state in the device and ensure that the battery core can be smoothly disassembled.

[0084] The material winding roller 20 is, in practical applications, arranged at an interval from the material unwinding roller 10. The material winding roller 20 is configured to collect the separator in the disassembled material for subsequent separator recovery or unified treatment. Therefore, in order to reserve a corresponding installation space for the subsequent separation scraper and the conveying paths of the material to be disassembled and the disassembled material, the material winding roller 20 and the material unwinding roller 10 are arranged at intervals from each other in the battery core disassembling device.

[0085] Similar to the material unwinding roller 10, the material winding roller 20 is also made of a suitable material, and it is necessary to ensure that it has sufficient strength and durability to ensure the stability during the material winding process.

[0086] Similarly, during the material disassembling process, the material winding roller 20 can also collect the disassembled material by rotating.

[0087] It should be noted that in the battery core disassembling device, the rotation conditions of the material unwinding roller 10 and the material winding roller 20 are determined according to the specific design of the device and the requirements of the disassembling process. In one embodiment, the material winding roller 20 can be set to rotate actively, while the material unwinding roller 10 can be set to rotate actively or passively; in another embodiment, the unwinding and winding of the material to be disassembled and the disassembled material on the material unwinding roller 10 and the material winding roller 20 respectively can also be realized by an external power source.

[0088] For example, in this embodiment, a unwinding drive wheel and a winding drive wheel with a central axis parallel to the corresponding roller body can be arranged on the material unwinding roller 10 and the material winding roller 20. By respectively pressing the drive wheels against the material to be disassembled and the disassembled material and rotating, the drive wheels can drive the material to unwind and wind on the corresponding roller body when rotating.

[0089] Another example is that between the material unwinding roller 10 and the material winding roller 20, a material gripper can also be arranged to pull the material to be disassembled and the disassembled material from the first position to the second position by clamping, so as to realize the passive unwinding and winding of the material on the corresponding roller body.

[0090] Generally speaking, the central axes of the material winding roller 20 and the material unwinding roller 10 are arranged parallel to each other to ensure to a certain extent that the unwinding and winding processes of the material to be disassembled and the disassembled material are stable.

[0091] The first separation scraper 30 is used to separate the pole piece and the diaphragm of the material to be disassembled through the blade head. The first separation scraper 30 is specifically arranged between the material unwinding roller 10 and the material winding roller 20, and the blade head of the first separation scraper 30 is arranged toward one end close to the material unwinding roller 10 to ensure that the blade head of the first separation scraper 30 can be directed toward the material to be disassembled released by the material unwinding roller 10.

[0092] Specifically, the main function of the first separation scraper 30 is to effectively separate the positive and negative electrodes from the diaphragm without damaging the battery core. In actual application scenarios, the disassembly path of the battery core material needs to be planned between the material unwinding roller 10 and the material winding roller 20 so that the first separation scraper 30 can be set on the disassembly path of the corresponding material. This structural design can ensure that the first separation scraper 30 is in close contact with the surface of the corresponding material to ensure the separation effect.

[0093] It should be noted that the number and distribution of scrapers may vary depending on the design requirements of the battery core disassembly equipment and the size of the battery core. For this, this embodiment does not make specific and strict limitations.

[0094] The storage box 40 is arranged on the side of the material winding roller 20 away from the first separation scraper 30, and is used to collect the pole pieces. In practical applications, the pole pieces can be stacked in the storage box 40 for subsequent reuse.

[0095] The conveying roller group 50 has at least two guide rollers 51, which are arranged between the material unwinding roller 10 and the first separation scraper 30, and are used to guide the front and reverse sides of the material to be disassembled, so that the material to be disassembled can be transported from the material unwinding roller 10 to the first separation scraper 30. Specifically, in the process of using the conveying roller group 50 to define the conveying path of the material to be disassembled, in order to ensure the stability of the conveying of the material to be disassembled, it is necessary to ensure that the material to be disassembled is within a suitable tension range to avoid the situation where the tension of the material to be disassembled is too high and causes tearing, and the tension of the material is too low and causes the material to be disassembled to be separated from the disassembling device. The material to be disassembled should ensure that its front and back sides are at least against one guide roller 51, so that the tension of the material to be disassembled can be adjusted, and it is also ensured that the front and back sides that cannot be disassembled are supported by the conveying roller group 50, which is also convenient for the subsequent heating of the material to be disassembled.

[0096] Continuing with the above embodiment, a heating device is further provided on the conveying roller group 50, and the heating device can heat the conveying roller group 50, so that the conveying roller group 50 can heat the front and back sides of the material to be disassembled on the basis of being in contact with both sides of the material to be disassembled while supporting the material to be disassembled.

[0097] Before the battery core is disassembled by the first separating scraper 30, it is heated, and both the front and back sides of the material are heated, which can make the material to be disassembled heated more evenly and the heating efficiency more efficient. Thereby, it is conducive to the volatilization of the electrolyte, making the internal structure of the battery core soft, while also reducing the adhesion force between the electrode sheet and the separator, so as to facilitate the subsequent separation by the first separating scraper 30 and the unified recovery of different materials by the material winding roller 20 and the storage box 40, improving the recovery efficiency. At the same time, heating makes the electrolyte volatilize, and also reduces the safety risk during the disassembly process. In addition, it also avoids the impact of the electrolyte on the environment, making the recycling process of the battery core more environmentally friendly.

[0098] Compared with the technical solution of setting a heating device facing the material on the conveying path of the material to be disassembled, in this embodiment, the material is directly heated by the heat-generating conveyor roller group 50, which can more effectively improve the heating efficiency of the material to be disassembled. At the same time, there is no need to reserve a corresponding installation space for the heating device on the equipment (on the path of the material to be disassembled). The heating device can be directly installed inside or at the end of each roller body in the conveyor roller group 50, so as to achieve the heat transfer effect with the roller body, and achieve the purpose of improving the structural compactness and integrity of the equipment.

[0099] In one embodiment, each roller body in the conveyor roller group 50 can select a metal outer roller with an inner cavity as the heating roller body, and a heating device, such as a heating tube, can be installed in its inner cavity.

[0100] To enhance the heating effect, an inner roller can be installed in the inner cavity of the metal outer roller. A heat-conducting metal sleeve is sleeved on the outer circumferential surface of the inner roller, and the outer circumferential surface of the heat-conducting metal sleeve is in contact with the inner circumferential surface of the metal outer roller, so that the heat can be more evenly transferred to the metal outer roller. In the case where the heating device is arranged at one end of the roller body, the heat can also be quickly transferred to every part of the roller body to ensure uniform heating of the battery core.

[0101] In the above embodiment where the heating tube is used as the heating device, a plurality of mounting holes extending along the axial direction of the roller body can be provided on the above-mentioned heat-conducting metal sleeve, and heating tubes are installed in each mounting hole. The heating tubes can be connected to the power control module through wires to achieve temperature control.

[0102] Please continue to refer to the appendix Figure 1 As can be understood from the above content, in addition to including the above-mentioned multiple guide rollers 51, the conveyor roller group 50 has the multiple guide rollers 51 arranged at intervals to define the conveying direction of the material to be disassembled. The conveyor roller group 50 also includes a first tension roller 52 and a second tension roller 53. The first tension roller 52 and the second tension roller 53 can move in a direction other than the circumferential rotation direction relative to the other guide rollers 51, so as to adjust the tension of the material to be disassembled.

[0103] Specifically, the first tension roller 52 and the second tension roller 53 are respectively arranged at opposite ends of a rotating bracket 54. In this embodiment, in order to facilitate the support of the material unwinding roller 10 and the conveying roller group 50, the material unwinding roller 10, each guide roller 51 and the rotating bracket 54 (including the first tension roller 52 and the second tension roller 53) are all arranged on a supporting body 500. The supporting body 500 can be configured as follows: Figure 1 The plate body shown may also be a frame structure formed by combining a plurality of brackets.

[0104] The first tension roller 52 and the second tension roller 53 can move around their rotation axes through the rotating bracket 54. During the transportation of the materials to be disassembled, the two front sides of the materials to be disassembled are respectively pressed against the guide rollers 51 to realize the steering and support of the conveying path. The first tension roller 52 and the second tension roller 53 (rotating bracket 54) can be arranged between any two adjacent guide rollers 51. The material to be disassembled can be wrapped around the upper left side of the first tension roller 52 along its outer circumference from the left side of the first tension roller 52, and can be wrapped around the right side of the second tension roller 53 along its outer circumference from the upper side of the second tension roller 53, so that the material to be disassembled is supported by the first tension roller 52 and the second tension roller 53 to form a path that is approximately "冂" shaped. This section of the material to be disassembled is completely supported by the first tension roller 52 and the second tension roller 53. When the first tension roller 52 and the second tension roller 53 move around the rotating bracket 54, they can further increase or release the tension of the material to be disassembled according to the tension of the material to be disassembled, thereby avoiding the breakage or overfeeding of the material to be disassembled and adapting to the tension changes during the transmission process.

[0105] The above-mentioned heating device can be arranged on the guide roller 51 and / or the first tension roller 52 and the second tension roller 53. When the heating device is arranged on any roller body, as can be understood from the above content, the heating device can be arranged inside the roller body or at one end of the roller body.

[0106] The heating device can be set on the guide roller 51 or the first roller and the second tension roller 53 as close to the first separation scraper 30 as possible according to the setting positions of each guide roller 51, the first tension roller 52 and the second tension roller 53, so as to ensure that the electrolyte on the material to be disassembled can be well volatilized when the material to be disassembled is conveyed to the first separation scraper 30.

[0107] In the process of disassembling and recycling the battery core, in order to efficiently and orderly collect and recycle the battery electrodes, the heating disassembly equipment of this embodiment is configured to cut the electrodes into multiple pieces and collect them in a stacked manner through a storage box 40 for unified recycling after the electrodes and the diaphragm are disassembled and separated by the first separation scraper 30.

[0108] Please refer to the attached Figures 1 - 4, a cutting device 60 is further provided between the first separating blade 30 and the storage box 40 of the battery core heating and disassembling device. The cutting device 60 is configured to segment and cut the pole piece during the process of conveying the pole piece from the first separating blade 30 to the storage box 40. The cutting device 60 includes:

[0109] A cutting support 61, which forms a through cutting channel;

[0110] A lower cutting knife 62, fixedly installed on the cutting support 61 and located below the cutting channel; and

[0111] An upper cutting knife 63, located in the cutting channel. The upper cutting knife 63 is movably arranged on the cutting support 61 along the direction of approaching and departing from the cutting support 61. In the position state close to the lower cutting knife 62, the lower cutting knife 62 and the upper cutting knife 63 at least partially overlap on the disassembly path of the pole piece, so as to ensure that a cutting action can be performed on the material between the two during the process of the upper cutting knife 63 moving from the position far from the lower cutting knife 62 to the position close to the lower cutting knife 62.

[0112] In addition, the cutting edge of the upper cutting knife 63 is also arranged to be inclined relative to the cutting edge of the lower cutting knife 62, so that when the upper cutting knife 63 approaches the lower cutting knife 62, one end of the cutting edge of the upper cutting knife 63 will take the lead in forming an action with the cutting edge of the lower cutting knife 62. As the upper cutting knife 63 continues to descend, the cutting length between the cutting edge of the upper cutting knife 63 and the cutting edge of the lower cutting knife 62 will gradually increase, and finally the pole piece is completely cut off in the width direction.

[0113] It should be noted that in the pole piece cutting device 60, the cutting edge of the upper cutting knife 63 is designed to be inclined to the cutting edge of the lower cutting knife 62, which can achieve the following purposes:

[0114] Improve cutting efficiency: Through the inclined design of the cutting edge, the contact area during pole piece cutting can be made more reasonable, thereby optimizing the force distribution during cutting, helping to reduce the force required for cutting, and thus improving the cutting efficiency.

[0115] Reduce burrs and powder shedding: By using the upper and lower cutting knives 62 arranged staggeredly and constructing a cutting surface at the top of the lower cutting knife 62, the pole piece can always maintain point contact during the cutting process. This point contact method helps to reduce the powder shedding and burr phenomena generated during pole piece cutting, thereby improving the cutting quality.

[0116] Ensure cutting regularity: The inclined cutting edge design can ensure that the pole piece is evenly stressed during cutting, thus avoiding the problem of irregular cutting. For example, some designs design the cutting edge unit to include a first cutting edge unit, a second cutting edge unit, and a third cutting edge unit that are integrally formed and connected in sequence, where the second cutting edge unit is a straight structure, and the first cutting edge unit and the third cutting edge unit are symmetrically inclined structures on the left and right. This design can ensure the cutting regularity.

[0117] Reduce wear: The inclined blade design can also reduce the wear of the cutter. By optimizing the force distribution and cutting method of the blade, the wear of the cutter during the cutting process can be reduced, thereby extending the service life of the cutter.

[0118] In the above embodiment, the cutting device 60 also includes a driving motor 64, the fixed end (motor housing) of the driving motor 64 is installed on the upper part of the cutting bracket 61, and the driving end of the driving motor 64 is connected to the upper cutter 63 through a cam mechanism 65 to drive the upper cutter 63 to perform reciprocating cutting motion in the up and down directions.

[0119] In actual applications, after the electrode pieces are separated, they are continuously conveyed toward the storage box 40 by the first separation scraper 30. When the electrode pieces pass through the cutting device 60, the driving device and the electrode piece conveying speed are controlled so that the electrode pieces passing through the cutting device 60 can be segmented into multiple electrode pieces of the same length, so that each electrode piece can be uniformly dropped into the storage box 40 for stacking and storage, which is convenient for subsequent reuse.

[0120] Of course, in other embodiments, in addition to using the above-mentioned upper cutter 63 and lower cutter 62 to cut the pole piece in sections, the cutting device 60 can also be set as a laser cutting machine or other device, which only needs to ensure that the pole piece can be evenly cut into the required size and shape for subsequent reuse.

[0121] Based on the implementation mode of the above-mentioned cutting device 60, a first clamping device 70 is further arranged between the first separation scraper 30 and the cutting device 60. The first clamping device 70 is configured to clamp the pole piece between the first separation scraper 30 and the cutting device 60 during the process of the cutting device 60 cutting the pole piece in segments, so as to maintain the stability of the pole piece in the above-mentioned segmented cutting process, and to prevent the uncut part of the pole piece from shrinking or continuing to move in the disassembly direction after cutting, thereby affecting the subsequent cutting effect.

[0122] Please refer to the attached Figures 2 - 3 , Figure 5 , the first clamping device 70 comprises:

[0123] The clamping bracket 71 has a clamping platform 711 connected to the cutting channel formed on its upper part. In this embodiment, the clamping bracket 71 is roughly in the shape of a Chinese character "冂". On the basis of providing a relatively flat table surface of the clamping platform 711 on the upper part, the lower part of the clamping platform 711 can also reserve corresponding installation space for subsequent mechanisms. At the same time, the legs located at the opposite ends of the clamping platform 711 can also support and fix the clamping device as a whole on the supporting structure of the equipment.

[0124] The clamping cylinder 72 is arranged at the lower part of the clamping bracket 71, and can be specifically arranged in the installation space reserved below the above-mentioned clamping platform 711. In this embodiment, in order to facilitate installation and improve the stability of the first clamping device 70 when clamping and fixing the pole piece, the first clamping device 70 adopts the method of reverse installation of the clamping cylinder 72, fixes the piston rod of the clamping cylinder 72 to the clamping bracket 71 (specifically fixed to the lower part of the clamping platform 711), and allows the cylinder body of the clamping cylinder 72 to be movable relative to the clamping bracket 71 in the direction of approaching and moving away from the clamping platform 711. In this way, the cylinder body of the clamping cylinder 72 can serve as its driving part while providing a relatively ample installation position for subsequent clamping components, so that the contact area between the clamping component and the cylinder body of the clamping cylinder 72 is larger than the contact area between the clamping component and the piston rod, which is beneficial to improve the stability of the clamping component.

[0125] Furthermore, a connecting rod 73 is provided at the bottom of the cylinder body of the clamping cylinder 72 (the side of the cylinder body that extends away from the piston rod), and the opposite ends of the connecting rod 73 extend along the width direction of the clamping platform 711, that is, in the same horizontal direction, the connecting rod 73 and the pole piece disassembly path are perpendicular to each other. Guide rods 74 are provided at the opposite ends of the connecting rod 73, and each guide rod 74 can movably pass through the clamping bracket 71 and protrude from the surface of the clamping platform 711, and the two guide rods 74 are connected by a clamping plate 75. In the process of the cylinder body of the clamping cylinder 72 moving relative to its piston rod, the cylinder body can drive the clamping plate 75 to move toward and away from the surface of the clamping platform 711 through the connecting rod 73 and the guide rod 74 in turn, so as to achieve the clamping and release of the pole piece.

[0126] In actual applications, the pole piece that has not been cut into segments will pass through the first clamping device 70 and the cutting device 60 in sequence. When the pole piece extends out of the preset distance of the cutting device 60 and needs to be cut into segments by the cutting device 60, the first clamping device 70 will clamp the pole piece to fix the pole piece located below the cutting device 60, thereby facilitating stable cutting by the cutting device 60. After the cutting device 60 completes cutting of the pole piece, the first clamping device 70 also simultaneously releases the pole piece, allowing the pole piece that has not been cut into segments to continue to move toward the cutting device 60.

[0127] Of course, in the implementation of the battery core heating and disassembly device, Figure 1 As shown, the device for clamping and positioning the pole piece may be not only the first clamping device 70, but also a second clamping device 600, a third clamping device 700, etc. may be arranged on the transmission path of the pole piece and the disassembly path of the material to be disassembled. This embodiment will not be further described in detail.

[0128] It is worth mentioning that all the device components in this embodiment are installed on the support frame 800. A support plate 801 is erected above the support frame 800 for installing the device components. The material winding roller 20 for winding the diaphragm can be arranged below the support frame 800 and below the support plate 801. In this way, after the polar plate and the diaphragm are separated by the first separation scraper 30 for the material to be disassembled, the diaphragm located below the polar plate can move downward and be smoothly wound by the material winding roller 20, while the polar plate located above the diaphragm can continue to move along its path towards the device components such as the first clamping device 70, the cutting device 60, and the storage box 40.

[0129] Continuing with the above embodiment provided with the cutting device 60 as an example, due to the fact that the polar plate is cut into multiple pieces by the cutting device 60, the polar plate cannot continue to be transported in the way of unwinding and winding. Therefore, in order to smoothly send the cut polar plate to the storage box 40, as Figures 1 - 3 、 Figures 6 - 7 shown, a vacuum conveying device 80 is also arranged between the cutting device 60 and the storage box 40. The vacuum conveying device 80 is configured to adsorb the polar plate through negative pressure and convey the polar plate to the storage box 40.

[0130] In addition, a dust removal device 90 is also arranged on the vacuum conveying device 80. The dust removal device 90 is configured to clean and suck the surface of the polar plate located on the vacuum conveying device 80, so as to keep the surface of the polar plate clean, remove the dust generated during the cutting process and other situations of the polar plate, and make the polar plate meet the requirements for reuse.

[0131] Please continue to refer to the attached Figures 6 - 7 , in an embodiment, the vacuum conveying device 80 includes:

[0132] A conveying support 81, on the surface of which a conveying platform 811 is formed along the disassembly direction of the polar plate. A hollow first negative pressure cavity 812 is also arranged inside the conveying support 81. The first negative pressure cavity 812 is connected to an external negative pressure source. A plurality of first negative pressure holes 813 communicating with the first negative pressure cavity 812 are spaced apart on the conveying platform 811 of the conveying support 81.

[0133] A conveyor belt 82 for carrying the polar plate. The conveyor belt 82 is movably wound around the conveying support 81 along the disassembly direction of the polar plate. A plurality of through adsorption holes 83 are evenly distributed on the conveyor belt 82. The adsorption holes 83 on the conveyor belt 82 moving to the conveying platform 811 can generate negative pressure under the action of the first negative pressure holes 813, so as to adsorb the polar plate carried thereon on the conveyor belt 82. And the conveyor belt 82 can move around the conveying support 81 under the action of an external power source, so as to transport the polar plate adsorbed on the surface of the conveyor belt 82 from one end of the conveying platform 811 to the other end, and finally let it fall into the storage box 40.

[0134] Further, there are two vacuum conveying devices 80, and the two vacuum conveying devices 80 are connected by a turning device 100. The turning device 100 is configured to turn the pole piece from one vacuum conveying device 80 and convey it to the other vacuum conveying device 80. For details, please refer to the appendix Figures 1 - 3 , Figures 10 - 11 , and the turning device 100 includes:

[0135] A turning bracket 101 is arranged between the two vacuum conveying devices 80. An arc-shaped turning table 1011 is formed on its surface. One end of the turning table 1011 is connected and matched with one of the conveying platforms 811. The other end surface of the turning table 1011 faces one end of the other conveying platform 811. A hollow second negative pressure chamber 1012 is also arranged inside the turning bracket 101. The second negative pressure chamber 1012 is connected to an external negative pressure source. A plurality of second negative pressure holes 1013 communicating with the negative pressure chamber are spaced apart on the turning bracket 101 at the turning table 1011;

[0136] Moreover, a movable conveyor belt 82 is also wound around the turning bracket 101. After the pole piece moves along the conveyor belt 82 and is turned over, the negative pressure source is turned off, or spaced separating plates are arranged on the conveyor belt 82, so that the pole piece is lifted by the separating plates and separated from the surface of the conveyor belt 82 after being turned over, and thus falls onto the other vacuum conveying device 80.

[0137] In practical applications, after the pole piece is segmented and cut by the cutting device 60, it is adsorbed by one of the vacuum conveying devices 80 and moves towards the turning device 100 driven by the conveyor belt 82. When the pole piece moves from the vacuum conveying device 80 to the turning device 100, the pole piece will transition from the conveyor belt 82 on the vacuum conveying device 80 to the conveyor belt 82 of the turning device 100, and the turning bracket 101 and the conveyor belt 82 on the turning bracket 101 cooperate to adsorb, so that the pole piece can move along the arc surface of the turning table 1011 and be flipped during its movement. When the pole piece moves from one end of the turning table 1011 to the other end, the originally surface of the pole piece facing away from the conveyor belt is then on the surface facing the conveyor belt 82 of the other vacuum conveying device 80. At this time, by turning off the negative pressure source of the turning device 100, or by the continuous movement of the pole piece on the turning device 100 and being interfered by the separating plates, finally the pole piece can fall onto the conveyor belt 82 surface of the other vacuum conveying device 80 and continue to move towards the storage box 40.

[0138] The purpose of setting the vacuum conveying device 80 to two and arranging the turning device 100 between the two vacuum conveying devices 80 is to enable both opposite side surfaces of the pole piece to be cleaned by the dust removal device 90. Therefore, dust removal devices 90 are arranged on both vacuum conveying devices 80 to ensure that the entire pole piece can meet the recycling requirements.

[0139] Of course, in other embodiments, the vacuum conveying device 80 can also transfer and turn over the electrode sheet by combining other structures with negative pressure. For example, by adsorbing one surface of the electrode sheet through the first suction cup mechanism and driving the first suction cup mechanism to move to achieve the conveying of the electrode sheet. At the same time, a dust removal device 90 for cleaning the other surface of the electrode sheet is arranged below the first suction cup mechanism. At the same time, a second suction cup mechanism opposite to the first suction cup mechanism can also be arranged. The second suction cup mechanism can adsorb the other surface of the electrode sheet in the first suction cup mechanism, so that the surface of the electrode sheet originally adsorbed by the first suction cup mechanism is exposed, and during the period when the second suction cup mechanism sends the electrode sheet to the storage box 40, the surface of the electrode sheet originally adsorbed by the first suction cup mechanism is cleaned by another dust removal device 90.

[0140] Please continue to refer to the appendix Figures 8 - 9 As mentioned above, the dust removal device 90 also uses negative pressure to clean the dust on the surface of the electrode sheet. However, in order to avoid the situation that the dust removal device 90 sucks away the electrode sheet on the vacuum conveying device 80, the negative pressure formed by the dust removal device 90 on the electrode sheet should be less than the negative pressure formed by the vacuum conveying device 80 on the electrode sheet.

[0141] Since it is necessary to control the negative pressure generated by the dust removal device 90, in order to avoid the reduction of the dust removal effect on the surface of the electrode sheet, the dust removal device 90 includes:

[0142] A dust removal box 91, which has a hollow vacuum chamber 911 formed inside. The vacuum chamber 911 is connected to an external negative pressure source. The dust removal box 91 is provided with a dust extraction port 912 communicating with the vacuum chamber 911 on one side close to the surface of the conveyor belt 82.

[0143] Two rotatable dust removal brushes 92 are also arranged in the vacuum chamber 911 of the dust removal box 91. The bristles of the two dust removal brushes 92 at least partially extend out of the dust extraction port 912, so that the dust removal brushes can moderately interfere with the surface of the electrode sheet and sweep up the dust attached to the surface of the electrode sheet, so that the dust removal box 91 can suck away the dust through negative pressure.

[0144] In one embodiment, the dust removal box 91 is installed on a lifting device 93 to adjust the movement of the dust removal box 91 in the direction of approaching and departing from the conveying platform 811 through the lifting device 93, which is convenient for adjusting the interference amount between the dust removal brush 92 and the electrode sheet, and is also convenient for pre-assembly and post-maintenance.

[0145] Please continue to refer to the appendix Figures 1 - 3, a visual detection device 200 is provided on each vacuum conveying device 80. One of the visual detection devices 200 is located between the dust removal device 90 and the turning device 100 that are closer to the cutting device 60, and the other visual detection device 200 is located between the dust removal device 90 and the storage box 40 that are relatively far from the cutting device 60.

[0146] In one embodiment, at the position corresponding to each visual detection device 200, a light source 201 for irradiating the surface of the electrode sheet is further provided on the above-mentioned conveying bracket 81.

[0147] The visual detection device 200 can be a CCD detection system. By visually detecting the surface of the electrode sheet, it can be judged whether the electrode sheet meets the recycling requirements. When both the front and back surfaces of the electrode sheet meet the recycling requirements, the electrode sheet can be normally conveyed to the storage box 40. When at least one surface of the electrode sheet does not meet the recycling requirements, the electrode sheet can be taken away from the vacuum conveying device 80 by a manipulator or other related conveying devices.

[0148] As Figures 1 - 3 , Figure 12 As shown in, a tensioning device 300 is further provided between the first separating blade 30 and the cutting device 60. In the case where the first clamping is provided, the tensioning device 300 is provided between the first separating blade 30 and the first clamping. The tensioning device 300 includes:

[0149] A first guide roller group 301; and

[0150] A second guide roller group 302. The first guide roller group 301 and the second guide roller group 302 are both formed with guide channels for guiding the electrode sheet. In the specific implementation manner, each guide roller group is composed of a fixed roller and an adjustable roller, so as to adjust the thickness dimension of the guide channel and adapt to different electrode sheet sizes.

[0151] Further, a third tension roller 303 is provided between the first guide roller group 301 and the second guide roller group 302. The third tension roller 303 can move in the vertical direction. When the tensioning device 300 conveys the electrode sheet, the electrode sheet is located below the third tension roller 303 to support the third tension roller 303. A roller frame 304 for supporting the third tension roller 303 is further provided between the first guide roller group 301 and the second guide roller group 302, and the third tension roller 303 can move downward under its own weight.

[0152] In an actual application scenario, the electrode strip passes under the third tension roller 303 through the roller frame 304. The third tension roller 303 presses against the electrode strip by its own weight to keep the electrode strip at a required degree of tension. When the tension of the electrode strip increases, the electrode strip will be taut and lift the third tension roller 303 to release the tension force. When the tension of the electrode strip decreases, the third tension roller 303 will drop to further press the electrode strip to ensure that the electrode strip maintains an appropriate degree of tension.

[0153] As can be seen from the above content, the battery core includes a positive electrode, a negative electrode, and a separator. From the attached Figure 13 It can be seen that the main structure of the material to be disassembled is the upper separator 1000, the positive electrode sheet 2000, the lower separator 3000, and the negative electrode sheet 4000 stacked in sequence. In order to ensure that both the above-mentioned upper separator 1000 and lower separator 3000 can be collected by the material winding roller 20, and both the positive electrode sheet 2000 and the negative electrode sheet 4000 can be collected by the storage box 40, in this embodiment, there are two material winding rollers 20, two first separating scrapers 30, and two storage boxes 40. Similarly, in the above embodiment, the cutting device 60, the first clamping device 70, the turning device 100, and the tensioning device 300 are all set in two groups, while the vacuum conveying device 80, the dust removal device 90, and the visual inspection device 200 are set in four. Among them, the two vacuum conveying devices 80 are arranged at opposite ends of one of the turning devices 100, and the other two vacuum conveying devices 80 are arranged at opposite ends of the other turning device, respectively defining the paths of the positive electrode sheet 2000 and the negative electrode sheet 4000. The four dust removal devices 90 and the four visual inspection devices 200 are respectively arranged in pairs on the corresponding paths of the positive electrode sheet 2000 and the negative electrode sheet 4000. Similarly, one of the material winding rollers 20, the first separating scraper 30, and the storage box 40 are arranged in sequence to define the disassembly path of the positive electrode sheet 2000, and the other material winding roller 20, the first separating scraper 30, and the storage box 40 are arranged in sequence to define the disassembly path of the negative electrode sheet 4000.

[0154] A second separating scraper 400 is also arranged between the conveying roller group 50 and the two first separating scrapers 30. The second separating scraper 400 is used to separate the positive electrode sheet 2000 from the upper separator 1000, and the negative electrode sheet 4000 from the lower separator 3000, so that the subsequent two first separating scrapers 30 can further disassemble and separate the positive electrode sheet 2000 from the upper separator 1000, and the negative electrode sheet 4000 from the lower separator 3000.

[0155] In the description of this article, it should be understood that the orientation or positional relationships such as "upper", "lower", "left", "right", etc. are only for the convenience of description and simplifying operations, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0156] In the description of this specification, the description referring to terms such as "one embodiment", "example", etc. means that the specific features, structures, materials or characteristics described in connection with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example.

[0157] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0158] The technical principles of the present invention have been described above in conjunction with specific embodiments. These descriptions are only for explaining the principles of the present invention and cannot be construed as a limitation to the protection scope of the present invention in any way. Based on the explanations herein, those skilled in the art can think of other specific embodiments of the present invention without creative efforts, and these embodiments will fall within the protection scope of the present invention.

Claims

1. A battery core heating and disassembly device, characterized in that: include: A material unwinding roller (10), which is configured to support the material to be disassembled and can release the material to be disassembled while supporting the material to be disassembled; A material winding roller (20) is spaced apart from the material unwinding roller (10) and is configured to collect the diaphragm; A first separation scraper (30), arranged between the material unwinding roller (10) and the material winding roller (20), and used for separating the pole piece and the diaphragm of the material to be disassembled; A storage box (40), arranged on a side of the material winding roller (20) away from the first separation scraper (30), and used for collecting the pole pieces; a conveying roller group (50), arranged between the material unwinding roller (10) and the first separating scraper (30), and used for guiding the front side and the reverse side of the material to be disassembled, so that the material to be disassembled can be transported from the material unwinding roller (10) to the first separating scraper (30); The conveying roller group (50) is also provided with a heating device to heat the front and back sides of the material to be disassembled respectively; A cutting device (60) is also provided between the first separation scraper (30) and the storage box (40), and the cutting device (60) is configured to cut the electrode piece into sections when the electrode piece is transported by the first separation scraper (30) to the storage box (40); A first clamping device (70) is further provided between the first separation scraper (30) and the cutting device (60), and the first clamping device (70) is configured to clamp the pole piece between the first separation scraper (30) and the cutting device (60) when the cutting device (60) cuts the pole piece in sections; A vacuum conveying device (80) is also provided between the cutting device (60) and the storage box (40). The vacuum conveying device (80) is configured to absorb the electrode sheet by negative pressure and convey the electrode sheet to the storage box (40). There are two vacuum conveying devices (80), and the two vacuum conveying devices (80) are connected by a flipping device (100). The flipping device (100) is configured to flip the electrode sheet from one vacuum conveying device (80) to another vacuum conveying device (80).

2. The battery core heating and disassembly equipment according to claim 1, characterized in that: The conveying roller group (50) comprises: A plurality of guide rollers (51), wherein the plurality of guide rollers (51) are arranged at intervals from each other to define a conveying direction of the material to be disassembled; a first tension roller (52); and A second tension roller (53) and the first tension roller (52) are respectively arranged at two opposite ends of a rotating bracket (54), and the first tension roller (52) and the second tension roller (53) can move around their rotation axis through the rotating bracket (54); When the guide roller (51) or the first tension roller (52) and the second tension roller (53) are provided with the heating device, the heating device is arranged inside the roller body or at one end of the roller body of the guide roller (51) or the first tension roller (52) and the second tension roller (53).

3. The battery core heating and disassembly equipment according to claim 1, characterized in that: The cutting device (60) comprises: A cutting support (61) is formed with a cutting passage extending through the middle; a lower cutting knife (62) fixedly mounted on the cutting support (61) and located below the cutting channel; and an upper cutting knife (63) located in the cutting channel, the upper cutting knife (63) being movably arranged on the cutting support (61) in a direction approaching or moving away from the cutting support (61), and the blade of the upper cutting knife (63) being arranged obliquely relative to the blade of the lower cutting knife (62); A driving motor (64) has a fixed end mounted on the upper portion of the cutting bracket (61), and a driving end of the driving motor (64) is transmission-connected to the upper cutting knife (63) via a cam mechanism (65).

4. The battery core heating and disassembly equipment according to claim 3, characterized in that: The first clamping device (70) comprises: A clamping bracket (71), the upper portion of which is formed with a clamping platform (711) connected to the cutting channel; A clamping cylinder (72) is arranged at the lower part of the clamping bracket (71), and a piston rod of the clamping cylinder (72) is fixed to the clamping bracket (71) so that a cylinder body of the clamping cylinder (72) can move relative to the clamping bracket (71); A connecting rod (73) is provided at the bottom of the cylinder body of the clamping cylinder (72), and the opposite ends of the connecting rod (73) extend respectively along the width direction of the clamping platform (711). The opposite ends of the connecting rod (73) are provided with guide rods (74), and each of the guide rods (74) can movably pass through the clamping bracket (71) and protrude from the surface of the clamping platform (711), and the two guide rods (74) are connected by a clamping plate (75).

5. The battery core heating and disassembly equipment according to claim 3, characterized in that: A vacuum conveying device (80) is also provided between the cutting device (60) and the storage box (40), and the vacuum conveying device (80) is configured to absorb the electrode sheet through negative pressure and convey the electrode sheet to the storage box (40); The vacuum conveying device (80) is also provided with a dust removal device (90), and the dust removal device (90) is configured to clean and remove dust from the surface of the electrode piece located on the vacuum conveying device (80).

6. The battery core heating and disassembly equipment according to claim 5, characterized in that: The vacuum conveying device (80) comprises: A conveying bracket (81), a conveying platform (811) arranged along the electrode disassembly direction is formed on the surface of the conveying bracket (81), a hollow first negative pressure cavity (812) is also arranged inside the conveying bracket (81), the first negative pressure cavity (812) is connected to an external negative pressure source, and the conveying bracket (81) is located on the conveying platform (811) and is provided with a plurality of first negative pressure holes (813) connected to the first negative pressure cavity (812) at intervals; A conveyor belt (82) for carrying the electrode piece, the conveyor belt (82) being movably wrapped around the conveying bracket (81) along the disassembly direction of the electrode piece, and a plurality of through adsorption holes (83) being evenly distributed on the conveyor belt (82); There are two vacuum conveying devices (80), and the two vacuum conveying devices (80) are connected via a flipping device (100). The flipping device (100) is configured to flip the electrode from one vacuum conveying device (80) to another vacuum conveying device (80). The flipping device (100) comprises: A turning bracket (101) is arranged between the two vacuum conveying devices (80), and a curved turning table (1011) is formed on its surface; one end of the turning table (1011) is engaged with one of the conveying platforms (811), and the other end surface of the turning table (1011) is arranged toward one end of the other conveying platform (811); a hollow second negative pressure chamber (1012) is also arranged in the turning bracket (101), and the second negative pressure chamber (1012) is connected to an external negative pressure source; the turning bracket (101) is located on the turning table (1011) and is provided with a plurality of second negative pressure holes (1013) connected to the negative pressure chamber at intervals; The flipping bracket (101) is also wrapped with the movable conveyor belt (82); The dust removal device (90) is provided on both of the vacuum conveying devices (80).

7. The battery core heating and disassembly equipment according to claim 6, characterized in that: The dust removal device (90) comprises: A dust removal box (91) having a hollow vacuum chamber (911) formed therein, the vacuum chamber (911) being connected to an external negative pressure source, and the dust removal box (91) being located on a side of the vacuum chamber (911) close to the surface of the conveyor belt (82) and having a dust extraction port (912) connected to the vacuum chamber (911); The dust removal box (91) is located in the vacuum chamber (911) and is provided with two rotatable dust removal rollers (92), and the bristles of the two dust removal rollers (92) at least partially extend out of the dust extraction port (912).

8. The battery core heating and disassembly equipment according to claim 7, characterized in that: Each of the vacuum conveying devices (80) is provided with a visual inspection device (200); One of the visual inspection devices (200) is located between the dust removal device (90) and the flipping device (100) which is closer to the cutting device (60); The other visual inspection device (200) is located between the dust removal device (90) and the storage box (40), which is relatively far away from the cutting device (60).

9. The battery core heating and disassembly equipment according to claim 3, characterized in that: A tensioning device (300) is further provided between the first separation scraper (30) and the cutting device (60), and the tensioning device (300) comprises: a first guide roller set (301); and A second guide roller group (302), wherein the first guide roller group (301) and the second guide roller group (302) are both formed with a guide channel for guiding the pole piece; A third tension roller (303) is arranged between the first guide roller group (301) and the second guide roller group (302), and the third tension roller (303) can move in a vertical direction. When the tensioning device (300) conveys a pole piece, the pole piece is located below the third tension roller (303) to support the third tension roller (303).

10. The battery core heating and disassembly equipment according to any one of claims 1 to 9, characterized in that: There are two of each of the material winding roller (20), the first separation scraper (30) and the storage box (40), wherein one of the material winding roller (20), the first separation scraper (30) and the storage box (40) is sequentially arranged to define a disassembly path for the positive electrode sheet (2000), and the other of the material winding roller (20), the first separation scraper (30) and the storage box (40) is sequentially arranged to define a disassembly path for the negative electrode sheet (4000); A second separation scraper (400) is also provided between the conveying roller group (50) and the two first separation scrapers (30).

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