CN118800993A - A sorting and recycling device for waste square batteries - Google Patents

Abstract

The invention relates to the technical field of battery recovery, in particular to a sorting and recovering device for waste square batteries, which comprises a sorting table, a crushing roller, a sorting box and a hot air cavity, wherein the hot air cavity is arranged on the sorting box, and high-temperature gas is blown into the sorting box by utilizing the hot air cavity, so that electrolyte generated after the batteries are crushed is evaporated and then separated from battery fragments and anode materials; separating mechanism, separating mechanism sets up on the separation box, through separating mechanism breaks up the battery material that is broken, and this old and useless square battery's sorting recovery plant, when using, be different from prior art, separating mechanism sets up the benefit in can separate out the electrolyte that mixes together with battery positive and negative pole material, and high temperature gas can gasify the electrolyte effectively to make it separate rapidly with positive and negative pole material, can effectively avoid mixing the positive and negative pole material and electrolyte in subsequent screening process and cause the sieve to block up.

Description

A sorting and recycling device for waste square batteries

Technical Field

The invention relates to the technical field of battery recycling, and in particular to a device for sorting and recycling waste square batteries.

Background Art

Waste battery recycling refers to the process of collecting, sorting, processing and extracting valuable materials from discarded batteries to achieve resource reuse and reduce environmental pollution. This process includes the separation and processing of materials such as battery shells, electrolytes, and metal electrodes. Old batteries contain a large amount of metal elements such as lithium, cobalt, and nickel, which are important raw materials for making new batteries. Therefore, in the recycling process, it is necessary to sort the crushed battery waste, separate the valuable materials, and properly handle the worthless and polluting materials. In the process of sorting and recycling of waste batteries, the batteries need to be crushed, and then the crushed materials are sorted step by step. In the initial sorting process of battery materials, larger metal fragments and plastic shells will be excluded. Due to the leakage of electrolyte during the battery crushing process, the positive and negative active material powders are mixed with the electrolyte during the sorting, and then adhere to various fragments. This complex situation makes the staff often exclude the adhered positive and negative electrode material powders together with the fragments when removing the fragments, which greatly reduces the effect of resource recovery and causes unnecessary waste of resources and potential environmental impact. For this reason, we propose a sorting and recycling equipment for waste square batteries.

Summary of the invention

One of the technical problems to be solved by the present application is that due to the leakage of electrolyte during the battery crushing process, the positive and negative electrode active material powders are mixed with the electrolyte during the sorting process and then adhere to various fragments. This complex situation causes the staff to often remove the adhered positive and negative electrode material powders together with the fragments when removing them, which greatly reduces the efficiency and purity of resource recovery, resulting in unnecessary waste of resources and potential environmental impacts.

In order to solve the above technical problems, the embodiment of the present application provides a sorting and recycling device for waste square batteries, including a sorting table, a crushing roller, and a sorting box, and also includes a hot air chamber, wherein the hot air chamber is arranged on the sorting box, and the hot air chamber is used to blow high-temperature gas into the sorting box, so that the electrolyte generated after the battery is crushed evaporates and then separates from the battery fragments and the positive and negative electrode materials; a separation mechanism, wherein the separation mechanism is arranged on the sorting box, and the crushed battery materials are broken up by the separation mechanism to increase the contact area and contact time between the crushed battery materials and the hot air; and a screening mechanism, wherein the screening mechanism is arranged in the sorting box, and the positive and negative electrode materials and large battery fragments in the battery fragments that have undergone secondary crushing are screened by the screening mechanism.

In some embodiments, the separation mechanism includes a dispersion member arranged in a sorting box, through which the crushed battery fragments are broken up; an air guide member is arranged on the sorting box, through which the high-temperature gas is guided to circulate in the sorting box; a collecting member is arranged on the air guide member, through which the evaporated electrolyte is condensed and collected.

In some embodiments, the dispersing member includes a moving frame arranged on both sides of the sorting box, a sliding block is slidably arranged on the moving frame, a rotating shaft is rotatably arranged on the sliding block, one end of the rotating shaft passes through the sliding block, an eccentric block is arranged on the rotating shaft, buffer springs are arranged on both sides of the sliding block, the buffer springs are connected to the moving frame, a mounting plate is arranged on the rotating shaft, a plurality of separation plates are arranged on the mounting plate, and a driving motor is arranged at one end of the rotating shaft passing through the sliding block.

In some embodiments, the air guide member includes an air guide groove opened on the sorting box, the air guide groove is connected to the hot air chamber, an air guide duct is provided on the sorting box, the air guide duct is connected to the sorting box, and an isolation net is provided at the position on the sorting box where the air guide duct is connected.

In some embodiments, the collecting member includes a plurality of condensation plates arranged in an air duct, a guide groove is opened on the air duct, a liquid collecting bin is arranged on the air duct, the liquid collecting bin is connected to the guide groove, a fixed bin is arranged on the sorting box, the fixed bin is connected to the liquid collecting bin, and a collecting bin is movably arranged in the fixed bin.

In some embodiments, the screening mechanism includes a screening piece arranged on a sorting box, and the crushed battery material is screened by using the screening piece. The screening piece is provided with an extension piece, and the sieve holes on the screening piece are driven to expand by the extension piece. The sorting box is provided with a driving piece, and the driving piece is used to provide power for the extension piece to work.

In some embodiments, the screening element includes a through groove arranged on both sides of the sorting box, a sliding groove is opened in the through groove, a sliding plate is slidably arranged in the sliding groove, the sliding plate is slidably connected to the through groove, an extrusion spring is arranged in the sliding groove, the extrusion spring is connected to the sliding plate, a rubber pad is arranged at one end of the sliding groove away from the extrusion spring, a mounting shaft is arranged on the sliding plate, a screen plate is arranged on the mounting shaft, a ventilation pipe is arranged on the air duct, the ventilation pipe runs through the sorting box, and a plurality of material receiving bins are arranged on the sorting platform on one side of the ventilation pipe.

In some embodiments, the extension piece includes an extension slot opened on the sieve plate, a plurality of isolation plates are arranged in the extension slot, the isolation plates are T-shaped, a plurality of extension plates are slidably arranged in the extension slot, the extension plates are slidably connected to the isolation plates, a plurality of connecting rods are arranged on the extension plates, the connecting rods pass through the isolation plates and are slidably connected to the isolation plates, a plurality of return springs are arranged in the extension slot, the return spring is connected to one of the plurality of extension plates, a synchronization rod is arranged on the connecting rod, a trigger rod is arranged on the synchronization rod, the trigger rod passes through the expansion slot and the mounting shaft and is slidably connected to the expansion slot and the mounting shaft, a push plate used in conjunction with the trigger rod is arranged on the sorting box, and the push plate is an arc-shaped plate.

In some embodiments, the driving member includes a driving rod 1 set on the sliding block, the driving rod 1 penetrates the moving frame and the buffer spring, and is slidably connected to the moving frame, a clamping block 1 is set on the driving rod 1, a fixed shaft is set on the sliding plate, a driving rod 2 is rotatably set on the fixed shaft, a torsion spring is sleeved on the fixed shaft, and the torsion spring is respectively connected to the fixed shaft and the driving rod 2, a clamping block 2 is set on the driving rod 2, and an unlocking block is set on the sorting box.

In some embodiments, protective shells are provided on both sides of the sorting box.

The present invention has at least the following beneficial effects: when this waste square battery sorting and recycling equipment is used, it is different from the prior art. The advantage of the separation mechanism is that it can separate the electrolyte mixed with the positive and negative electrode materials of the battery, and the high-temperature gas can effectively gasify the electrolyte, so that it can be quickly separated from the positive and negative electrode materials, and can effectively avoid the positive and negative electrode materials and the electrolyte mixing in the subsequent screening process to cause the sieve plate to be blocked. At the same time, the advantage of the screening mechanism is that it can control the up and down shaking of the sieve plate when screening the battery material, and expand the size of the sieve hole on the sieve plate when the sieve plate rises to the highest point. The up and down shaking of the sieve plate can make the broken battery material more fully dispersed on the screen surface, avoiding the accumulation of battery materials and clogging of the sieve holes. At the same time, the fragments stuck in the sieve holes will be thrown to a high place when the sieve plate rises and the sieve holes are expanded, so that the material is separated from the sieve holes, and throwing large pieces of material to a high place can avoid the fragments stuck when the sieve holes are expanded from falling into the screened positive and negative electrode materials, affecting the purity of the screened materials.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic diagram of the overall structure of the present invention;

FIG2 is a schematic diagram of the structure of the sorting platform of FIG1 of the present invention;

FIG3 is a schematic diagram of the explosion structure of FIG2 of the present invention;

FIG4 is a schematic diagram of the cross-sectional structure of a sorting box of the present invention;

FIG5 is a schematic diagram of the enlarged structure of area A in FIG4 of the present invention;

FIG6 is a schematic diagram of the structure of the separation mechanism of the present invention;

FIG7 is a schematic diagram of the cross-sectional structure of the air guide duct and the liquid collecting bin of the present invention;

FIG8 is a schematic diagram of the enlarged structure of area B in FIG7 of the present invention;

FIG9 is a schematic diagram of the structure of the screening mechanism of the present invention;

FIG10 is a schematic diagram of the enlarged structure of area C in FIG9 of the present invention;

FIG11 is a schematic diagram of the structure of an extension member of the present invention;

FIG. 12 is a schematic diagram of the structure of the second embodiment of the present invention.

In the figure: 1, sorting table; 2, crushing roller; 3, sorting box; 4, hot air chamber; 5, separation mechanism; 6, dispersion member; 61, moving frame; 62, sliding block; 63, rotating shaft; 64, eccentric block; 65, buffer spring; 66, mounting plate; 67, separation plate; 68, driving motor; 7, air guide member; 71, air guide slot; 72, air guide pipe; 73, isolation net; 8, collecting member; 81, condensation plate; 82, guide slot; 83, liquid collecting bin; 84, fixed bin; 85, collecting bin; 9, screening mechanism; 10, screening member; 101, through slot; 102, sliding slot; 10 3. Sliding plate; 104. Extrusion spring; 105. Rubber pad; 106. Mounting shaft; 107. Screen plate; 108. Ventilation pipe; 109. Material collecting bin; 11. Extension piece; 111. Extension slot; 112. Isolation plate; 113. Extension plate; 114. Connecting rod; 115. Reset spring; 116. Synchronous rod; 117. Trigger rod; 118. Push plate; 12. Driving piece; 121. Driving rod 1; 122. Block 1; 123. Fixed shaft; 124. Driving rod 2; 125. Torsion spring; 126. Block 2; 127. Unlocking block; 13. Protective shell.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

Embodiment 1, please refer to Figures 1 to 11, the present invention provides a technical solution:

A sorting and recycling device for waste square batteries comprises a sorting table 1, a crushing roller 2, and a sorting box 3, and also comprises a hot air chamber 4. The hot air chamber 4 is arranged on the sorting box 3, and the hot air chamber 4 is used to blow high-temperature gas into the sorting box 3, so that the electrolyte generated after the battery is crushed evaporates and is then separated from the battery fragments and the positive and negative electrode materials.

The separation mechanism 5 is arranged on the sorting box 3, and the crushed battery materials are scattered by the separation mechanism 5, thereby increasing the contact area and contact time between the crushed battery materials and the hot air.

The advantage of setting up the separation mechanism 5 is that it can separate the electrolyte mixed with the positive and negative electrode materials of the battery, and the high-temperature gas can effectively vaporize the electrolyte, so that it can be quickly separated from the positive and negative electrode materials, and can effectively avoid the positive and negative electrode materials and the electrolyte from mixing in the subsequent screening process to cause the sieve plate 107 to be blocked. After the separation of the electrolyte and the positive and negative electrode materials is completed, the evaporated electrolyte can be condensed again and the condensed electrolyte can be collected. This design can effectively prevent the electrolyte vapor from being discharged into the air and causing environmental pollution.

The screening mechanism 9 is arranged in the sorting box 3, and the positive and negative electrode materials and large battery fragments in the battery fragments that have undergone secondary crushing are screened by the screening mechanism 9.

The advantage of setting up the screening mechanism 9 is that it can control the up and down shaking of the sieve plate 107 when screening the battery material, and expand the size of the sieve holes on the sieve plate 107 when the sieve plate 107 rises to the highest point. The up and down shaking of the sieve plate 107 can make the broken battery material more fully dispersed on the screen surface, avoiding the accumulation of battery materials and clogging of the sieve holes. The shaking of the sieve plate 107 promotes the relative movement between the battery material particles, making it easier for the particles to pass through the sieve holes, especially when the sieve plate 107 rises to the highest point, the gravitational potential energy of the battery material is converted into kinetic energy, further accelerating the screening process. Not only that, the fragments stuck in the sieve holes during the screening process will be thrown high when the sieve plate 107 rises and the sieve holes are expanded, so that the material is separated from the sieve holes, and throwing large pieces of material high can prevent the fragments stuck when the sieve holes are expanded from falling into the screened positive and negative electrode materials, affecting the purity of the screened materials.

The separation mechanism 5 includes a dispersion member 6 arranged in the sorting box 3, through which the crushed battery fragments are dispersed, the sorting box 3 is provided with an air guide member 7, through which the high-temperature gas is guided to circulate in the sorting box 3, and the air guide member 7 is provided with a collecting member 8, through which the evaporated electrolyte is condensed and collected.

The dispersion member 6 includes a moving frame 61 arranged on both sides of the sorting box 3, a sliding block 62 is slidably arranged on the moving frame 61, a rotating shaft 63 is rotatably arranged on the sliding block 62, one end of the rotating shaft 63 passes through the sliding block 62, an eccentric block 64 is arranged on the rotating shaft 63, buffer springs 65 are arranged on both sides of the sliding block 62, the buffer springs 65 are connected to the moving frame 61, a mounting plate 66 is arranged on the rotating shaft 63, a plurality of separation plates 67 are arranged on the mounting plate 66, and a driving motor 68 is arranged at one end of the rotating shaft 63 passing through the sliding block 62.

The advantage of setting up the dispersion part 6 is that it can break up the battery materials after the first crushing, and at the same time prolong the contact time between the battery materials and the hot air, thereby improving the evaporation efficiency of the electrolyte, and can also separate the positive and negative electrode materials separated from the electrolyte from the large pieces of battery fragments, thereby improving the effect of subsequent sorting.

The air guide member 7 includes an air guide groove 71 opened on the sorting box 3, the air guide groove 71 is connected to the hot air chamber 4, the sorting box 3 is provided with an air guide duct 72, the air guide duct 72 is connected to the sorting box 3, and an isolation net 73 is provided on the sorting box 3 at the position connected to the air guide duct 72.

The benefit of setting the air guide member 7 is that it can guide the hot air and prevent the evaporated electrolyte from escaping into the air and causing air pollution.

The collecting member 8 includes a plurality of condensation plates 81 arranged in the air duct 72, the air duct 72 is provided with a guide groove 82, the air duct 72 is provided with a liquid collecting bin 83, the liquid collecting bin 83 is connected to the guide groove 82, the sorting box 3 is provided with a fixed bin 84, the fixed bin 84 is connected to the liquid collecting bin 83, and a collecting bin 85 is movably arranged in the fixed bin 84.

The advantage of setting up the collecting member 8 is that the evaporated electrolyte can be condensed and collected. The electrolyte may contain harmful substances, such as heavy metal ions, organic solvents, etc. These harmful substances can be effectively converted from gas to liquid through evaporation and condensation collection, which is convenient for subsequent treatment or safe disposal, thereby reducing pollution to the environment. At the same time, the recovered electrolyte can be reused in battery production or other related fields after proper treatment, thereby realizing the recycling of resources and reducing production costs.

When in use, the staff first starts the crushing roller 2, and then puts the square battery to be crushed into the sorting box 3. Under the squeezing of the crushing roller 2, the battery is crushed and sent between multiple separation plates 67. While starting the crushing roller 2, the staff synchronously starts the driving motor 68. The rotating shaft 63 rotates under the drive of the driving motor 68. The rotating shaft 63 drives the mounting plate 66 and the separation plate 67 set on the mounting plate 66 to rotate while the rotating shaft 63 rotates. While the rotating shaft 63 rotates, the sliding block 62 is driven by the eccentric block 64 to slide in the moving frame 61, and the separation plate 67 is synchronously driven to move up and down. When the crushed battery material is sent between the separation plates 67, the battery material is dispersed under the push of the separation plates 67, thereby increasing the contact area with the high-temperature gas. At the same time, because the battery material is continuously pushed by the separation plates 67, the contact time with the high-temperature gas is increased, thereby improving the evaporation effect of the electrolyte.

When the hot gas carrying the vaporized electrolyte passes through the isolation net 73 and contacts the condensation plate 81, the electrolyte vapor is cooled and condenses on the condensation plate 81 to form liquid electrolyte, and falls into the guide groove 82 under the action of gravity, and then flows into the collection bin 85 through the liquid collection bin 83.

The screening mechanism 9 includes a screening piece 10 arranged on the sorting box 3, and the crushed battery material is screened by the screening piece 10. The screening piece 10 is provided with an extension piece 11, and the sieve holes on the screening piece 10 are driven to expand by the extension piece 11. The sorting box 3 is provided with a driving piece 12, and the driving piece 12 is used to provide power for the extension piece 11 to work.

The screening element 10 includes a through slot 101 arranged on both sides of the sorting box 3, a sliding slot 102 is opened in the through slot 101, a sliding plate 103 is slidably arranged in the sliding slot 102, the sliding plate 103 is slidably connected to the through slot 101, an extrusion spring 104 is arranged in the sliding slot 102, the extrusion spring 104 is connected to the sliding plate 103, a rubber pad 105 is arranged at one end of the sliding slot 102 away from the extrusion spring 104, a mounting shaft 106 is arranged on the sliding plate 103, a sieve plate 107 is arranged on the mounting shaft 106, a ventilation pipe 108 is arranged on the air guide pipe 72, the ventilation pipe 108 runs through the sorting box 3, and a plurality of material receiving bins 109 are arranged on the sorting platform 1 on one side of the ventilation pipe 108.

The advantage of setting up the screening element 10 is that it can control the up and down shaking of the sieve plate 107 when screening the battery material, and expand the size of the sieve holes on the sieve plate 107 when the sieve plate 107 rises to the highest point. The up and down shaking of the sieve plate 107 can make the broken battery material more fully dispersed on the screen surface, avoiding the accumulation of battery materials and clogging of the sieve holes. The advantage of setting up the ventilation pipe 108 is that when large pieces of debris are discharged from the sieve plate 107, they will be blown by the air flow, so that the heavier metal fragments fall into the collecting bin 109 closer to the sorting box 3, and the plastic fragments will fall into the collecting bin 109 farther from the sorting box 3, thereby realizing the sorting of metal and plastic fragments.

The extension piece 11 includes an extension slot 111 opened on the sieve plate 107, a plurality of isolation plates 112 are arranged in the extension slot 111, and the isolation plates 112 are T-shaped. A plurality of extension plates 113 are slidably arranged in the extension slot 111, and the extension plates 113 are slidably connected to the isolation plates 112. A plurality of connecting rods 114 are arranged on the extension plates 113, and the connecting rods 114 penetrate the isolation plates 112 and are slidably connected to the isolation plates 112. A plurality of return springs 115 are arranged in the extension slot 111, and the return spring 115 is connected to one of the plurality of extension plates 113. A synchronization rod 116 is arranged on the connecting rod 114, and a trigger rod 117 is arranged on the synchronization rod 116. The trigger rod 117 penetrates the extension slot 111 and the mounting shaft 106 and is slidably connected to the extension slot 111 and the mounting shaft 106. A push plate 118 used in conjunction with the trigger rod 117 is arranged on the sorting box 3, and the push plate 118 is an arc-shaped plate.

The advantage of setting up the extension piece 11 is that when large pieces of debris are stuck in the sieve holes, the sieve plate 107 will expand the sieve holes when it is about to reach the highest point, and throw the debris stuck in the sieve holes to a higher place, so that the material is separated from the sieve holes, and quickly reset after the debris is separated, so that the sieve holes return to their initial size, thereby preventing the debris from falling into the screened positive and negative electrode materials through the enlarged sieve holes, affecting the purity of the screened materials.

The driving member 12 includes a driving rod 121 arranged on the sliding block 62, the driving rod 121 passes through the moving frame 61 and the buffer spring 65, and is slidably connected to the moving frame 61, a clamping block 122 is arranged on the driving rod 121, a fixed shaft 123 is arranged on the sliding plate 103, a driving rod 124 is rotatably arranged on the fixed shaft 123, a torsion spring 125 is sleeved on the fixed shaft 123, and the torsion spring 125 is respectively connected to the fixed shaft 123 and the driving rod 124, a clamping block 126 is arranged on the driving rod 124, and an unlocking block 127 is arranged on the sorting box 3.

When the crushed battery materials are crushed for the second time, they will fall onto the sieve plate 107. At the same time, the sliding block 62 descends, driving the driving rod 121 to descend. When the driving rod 121 descends, the block 122 contacts the block 2 126, pushing the block 2 126 to drive the driving rod 2 124 to deflect. When the block 122 descends to a certain height, the block 2 126 is reset under the action of the torsion spring 125 and engages with the block 122. At this time, the driving rod 124 is driven by the driving rod 121. When the second block 126 rises to a certain height, the second block 126 contacts the unlocking block 127 and is disengaged from the first block 122 under the push of the unlocking block 127. When the second block 126 is disengaged from the first block 122, the second driving rod 124 is disengaged from the limit simultaneously. At this time, the sliding plate 103 drops rapidly under the drive of the extrusion spring 104 and returns to its original position. The sieve plate 107 can be shaken up and down by repeating the cycle.

As the sliding plate 103 rises, the trigger rod 117 is driven to move synchronously. When the trigger rod 117 contacts the arc-shaped pushing plate 118, the arc-shaped pushing plate 118 squeezes the synchronous rod 116 and the connecting rod 114 to overcome the elastic force of the return spring 115 and recover, thereby driving the expansion plate 113 to move, so that the sieve hole becomes larger. When the sliding plate 103 descends, the trigger rod 117 is driven to separate from the pushing plate 118. At this time, the expansion plate 113 is reset again under the push of the return spring 115.

When in use, the staff first starts the crushing roller 2, and then puts the square battery to be crushed into the sorting box 3. Under the squeezing of the crushing roller 2, the battery is crushed and sent between multiple separation plates 67. While starting the crushing roller 2, the staff synchronously starts the driving motor 68. Driven by the driving motor 68, the rotating shaft 63 rotates. While the rotating shaft 63 rotates, it drives the mounting plate 66 and the separation plate 67 set on the mounting plate 66 to rotate. While the rotating shaft 63 rotates, the sliding block 62 is driven by the eccentric block 64 to slide in the moving frame 61, and the separation plate 67 is synchronously driven to move up and down. When the crushed battery material is sent between the separation plates 67, the battery material is dispersed under the push of the separation plates 67, thereby increasing the contact area with the high-temperature gas. At the same time, because the battery material is continuously pushed by the separation plates 67, its contact time with the high-temperature gas is increased, thereby improving the evaporation effect of the electrolyte.

When the hot gas carrying the vaporized electrolyte passes through the isolation net 73 and contacts the condensation plate 81, the electrolyte vapor is cooled and condenses on the condensation plate 81 to form liquid electrolyte, and falls into the guide groove 82 under the action of gravity, and then flows into the collection bin 85 through the liquid collection bin 83.

When the crushed battery materials are crushed for the second time, they will fall onto the sieve plate 107. At the same time, the sliding block 62 descends, driving the driving rod 121 to descend. When the driving rod 121 descends, the block 122 contacts the block 2 126, pushing the block 2 126 to drive the driving rod 2 124 to deflect. When the block 122 descends to a certain height, the block 2 126 is reset under the action of the torsion spring 125 and engages with the block 122. At this time, the driving rod 124 is driven by the driving rod 121. When the second block 126 rises to a certain height, the second block 126 contacts the unlocking block 127 and is disengaged from the first block 122 under the push of the unlocking block 127. When the second block 126 is disengaged from the first block 122, the second driving rod 124 is disengaged from the limit simultaneously. At this time, the sliding plate 103 drops rapidly under the drive of the extrusion spring 104 and returns to its original position. The sieve plate 107 can be shaken up and down by repeating the cycle.

As the sliding plate 103 rises, the trigger rod 117 is driven to move synchronously. When the trigger rod 117 contacts the arc-shaped pushing plate 118, the arc-shaped pushing plate 118 squeezes the synchronous rod 116 and the connecting rod 114 to overcome the elastic force of the return spring 115 and recover, thereby driving the expansion plate 113 to move, so that the sieve hole becomes larger. When the sliding plate 103 descends, the trigger rod 117 is driven to separate from the pushing plate 118. At this time, the expansion plate 113 is reset again under the push of the return spring 115.

Embodiment 2, please refer to FIG. 12 , the present invention provides a technical solution:

Different from the first embodiment, protective shells 13 are provided on both sides of the sorting box 3. The advantage of providing the protective shells 13 is that the buffer springs 65 can be protected, thereby extending the service life of the buffer springs 65.

It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

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

Claims (10)

1. A waste square battery sorting and recycling device, comprising a sorting table (1), a crushing roller (2), and a sorting box (3), characterized in that it also includes: A hot air chamber (4), the hot air chamber (4) being arranged on the sorting box (3), and utilizing the hot air chamber (4) to blow high-temperature gas into the sorting box (3), so that the electrolyte generated after the battery is crushed evaporates and is then separated from the battery fragments and the positive and negative electrode materials; A separation mechanism (5), the separation mechanism (5) being arranged on the sorting box (3), and the crushed battery materials being scattered by the separation mechanism (5), thereby increasing the contact area and contact time between the crushed battery materials and the hot air; A screening mechanism (9), the screening mechanism (9) being arranged in the sorting box (3), and screening the positive and negative electrode materials and the large battery fragments in the secondary crushed battery fragments through the screening mechanism (9). 2. The waste square battery sorting and recycling equipment according to claim 1 is characterized in that: the separation mechanism (5) includes a dispersion member (6) arranged in the sorting box (3), and the crushed battery fragments are dispersed by the dispersion member (6); the sorting box (3) is provided with an air guide member (7), and the high-temperature gas is guided to circulate in the sorting box (3) by the air guide member (7); the air guide member (7) is provided with a collecting member (8), and the evaporated electrolyte is condensed and collected by the collecting member (8). 3. The waste square battery sorting and recycling equipment according to claim 2 is characterized in that: the dispersing member (6) comprises a moving frame (61) arranged on both sides of the sorting box (3), a sliding block (62) is slidably arranged on the moving frame (61), a rotating shaft (63) is rotatably arranged on the sliding block (62), one end of the rotating shaft (63) passes through the sliding block (62), an eccentric block (64) is arranged on the rotating shaft (63), buffer springs (65) are arranged on both sides of the sliding block (62), the buffer springs (65) are connected to the moving frame (61), a mounting plate (66) is arranged on the rotating shaft (63), a plurality of separation plates (67) are arranged on the mounting plate (66), and a driving motor (68) is arranged on one end of the rotating shaft (63) passing through the sliding block (62). 4. The waste square battery sorting and recycling equipment according to claim 3, characterized in that: the air guide member (7) comprises an air guide groove (71) opened on the sorting box (3), the air guide groove (71) is connected to the hot air chamber (4), the sorting box (3) is provided with an air guide pipe (72), the air guide pipe (72) is connected to the sorting box (3), and an isolation net (73) is provided at a position on the sorting box (3) connected to the air guide pipe (72). 5. The waste square battery sorting and recycling equipment according to claim 4, characterized in that: the collecting member (8) comprises a plurality of condensing plates (81) arranged in the air duct (72), the air duct (72) is provided with a guide groove (82), the air duct (72) is provided with a liquid collecting bin (83), the liquid collecting bin (83) is connected to the guide groove (82), the sorting box (3) is provided with a fixed bin (84), the fixed bin (84) is communicated with the liquid collecting bin (83), and a collecting bin (85) is movably arranged in the fixed bin (84). 6. The waste square battery sorting and recycling equipment according to claim 5 is characterized in that: the screening mechanism (9) comprises a screening member (10) arranged on the sorting box (3), and the crushed battery material is screened by the screening member (10); the screening member (10) is provided with an extension member (11), and the sieve holes on the screening member (10) are driven to expand by the extension member (11); the sorting box (3) is provided with a driving member (12), and the driving member (12) is used to provide power for the extension member (11) to work. 7. The waste square battery sorting and recycling device according to claim 6, characterized in that: the screening element (10) comprises through slots (101) arranged on both sides of the sorting box (3), a sliding slot (102) is provided in the through slot (101), a sliding plate (103) is slidably arranged in the sliding slot (102), the sliding plate (103) is slidably connected to the through slot (101), a pressing spring (104) is arranged in the sliding slot (102), and the pressing spring (104) The sliding groove (102) is connected to the sliding plate (103), and a rubber pad (105) is provided at one end of the sliding groove (102) away from the extrusion spring (104). The sliding plate (103) is provided with a mounting shaft (106), and a screen plate (107) is provided on the mounting shaft (106). The air guide pipe (72) is provided with a ventilation pipe (108), and the ventilation pipe (108) passes through the sorting box (3). A plurality of material receiving bins (109) are provided on the sorting platform (1) on one side of the ventilation pipe (108). 8. The waste square battery sorting and recycling device according to claim 7, characterized in that: the expansion member (11) comprises an expansion slot (111) opened on the sieve plate (107), a plurality of isolation plates (112) are arranged in the expansion slot (111), the isolation plates (112) are T-shaped, a plurality of expansion plates (113) are slidably arranged in the expansion slot (111), the expansion plates (113) are slidably connected to the isolation plates (112), a plurality of connecting rods (114) are arranged on the expansion plates (113), the connecting rods (114) penetrate the isolation plates (112) and are connected to the isolation plates (112). The expansion slot (111) is provided with a plurality of return springs (115), the return spring (115) is connected to one of the plurality of expansion plates (113), the connection rod (114) is provided with a synchronization rod (116), the synchronization rod (116) is provided with a trigger rod (117), the trigger rod (117) penetrates the expansion slot (111) and the mounting shaft (106) and is slidably connected to the expansion slot (111) and the mounting shaft (106), and the sorting box (3) is provided with a push plate (118) used in conjunction with the trigger rod (117), and the push plate (118) is an arc-shaped plate. 9. The waste square battery sorting and recycling device according to claim 8, characterized in that: the driving member (12) comprises a driving rod 1 (121) arranged on the sliding block (62), the driving rod 1 (121) penetrates the moving frame (61) and the buffer spring (65), and is slidably connected to the moving frame (61), a clamping block 1 (122) is arranged on the driving rod 1 (121), a fixed shaft (123) is arranged on the sliding plate (103), a driving rod 2 (124) is rotatably arranged on the fixed shaft (123), a torsion spring (125) is sleeved on the fixed shaft (123), the torsion spring (125) is respectively connected to the fixed shaft (123) and the driving rod 2 (124), a clamping block 2 (126) is arranged on the driving rod 2 (124), and an unlocking block (127) is arranged on the sorting box (3). 10. The waste square battery sorting and recycling equipment according to claim 9, characterized in that: protective shells (13) are provided on both sides of the sorting box (3).