Waste battery pole piece crushing device

Abstract

The utility model relates to the technical field of battery pole piece crushing, in particular to a waste battery pole piece crushing device which comprises a crushing machine body, a discharging assembly is arranged at a discharging opening of the crushing machine body, and the discharging assembly comprises moving blocks which are symmetrically connected to the crushing machine body in a sliding mode and can move oppositely. Mounting cavities are formed in the ends, close to the symmetric center, of the moving blocks, pushing assemblies are arranged in the mounting cavities and comprise pushing plates rotationally connected into the mounting cavities, telescopic pieces and telescopic rods matched with the pushing plates are arranged in the mounting cavities, and the ends, close to the pushing plates, of the telescopic pieces abut against the upper portions of the pushing plates; the ends, close to the push plate, of the telescopic rods abut against the lower portion of the push plate. Therefore, in the crushing process of the battery pole pieces, the discharging device can assist in discharging, increase the discharging speed, prevent the battery pole pieces from being stacked and improve the crushing efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of battery pole piece crushing, in particular to a device for crushing waste battery pole pieces. Background Art

[0002] Among waste lithium-ion batteries, the positive electrode is the most valuable for recycling, so the recycling of the positive electrode is the core part of realizing the resource utilization of waste lithium-ion batteries. The key step is to crush the positive electrode to a certain particle size before the active material and aluminum foil can be separated.

[0003] At present, the existing battery pole piece crushing device, such as the Chinese patent with publication number CN218282080U, discloses a lithium-ion battery pole piece sealed crushing device, including a pretreatment mechanism, a plurality of air discs are provided at the bottom of the pretreatment mechanism, a feed port is provided at the top of the pretreatment mechanism, the pretreatment mechanism is provided with a first stirring device and a first discharge valve; a feeding mechanism, the feeding mechanism is provided with a second stirring device and a second discharge valve, the feeding mechanism is connected to the pretreatment mechanism through the first discharge valve; a crushing chamber, a crusher is provided in the crushing chamber, the crushing chamber is connected to the feeding mechanism through the second discharge valve, and the bottom of the crushing chamber is provided with a crusher. The air compressor is connected to the air disc, and the air compressor is used to transport the exhaust gas generated in the crushing chamber to the pretreatment mechanism through the air disc; wherein the pretreatment mechanism, the feeding mechanism and the crushing chamber are arranged in sequence from top to bottom, and the high temperature and high humidity of the exhaust gas are used to carry away the residual electrolyte on the surface of the lithium battery pole piece to be crushed and eliminate the static electricity in the lithium battery pole piece to be crushed, and at the same time prevent accidental fire during the crushing process of the pole piece, and greatly reduce the emission of exhaust gas. However, in the crushing process, some electrode pieces are easy to accumulate on the top of the crushing roller due to their large size and light weight, which affects the crushing efficiency.

[0004] How to assist in material unloading, speed up the unloading process, prevent the accumulation of battery electrodes, and improve the crushing efficiency during the crushing process of battery electrodes has become a technical problem that needs to be broken through.

[0005] In summary, the existing technology has obvious inconveniences and defects in actual use, so it is necessary to improve it. Utility Model Content

[0006] In response to the above-mentioned defects, the purpose of the present utility model is to provide a device for crushing waste battery pole pieces, which has a simple structure and is easy to use. It can assist in unloading and speed up the unloading process during the crushing of battery pole pieces, prevent the accumulation of battery pole pieces, and improve the crushing efficiency.

[0007] In order to achieve the above-mentioned purpose, the utility model provides a waste battery electrode sheet crushing device, including a crusher body, a discharge port of the crusher body is provided with a discharge assembly, and the discharge assembly includes moving blocks that are symmetrically slidably connected to the crusher body and can move toward each other.

[0008] The movable block is provided with an installation cavity at one end close to the center of symmetry, and a pushing assembly is provided in the installation cavity. The pushing assembly includes a push plate rotatably connected to the installation cavity, and a telescopic part and a telescopic rod cooperating with the push plate are provided in the installation cavity. The end of the telescopic part close to the push plate abuts the upper part of the push plate, and the end of the telescopic rod close to the push plate abuts the lower part of the push plate.

[0009] According to the waste battery pole piece crushing device of the present invention, the telescopic rods each include an outer rod and an inner rod which are sleeved together, the inner rod is located inside the outer rod, and the inner rod is elastically connected to the outer rod.

[0010] According to the waste battery pole piece crushing device of the present invention, the inner rod inside the outer rod is symmetrically provided with plug-in blocks, the outer rod is internally provided with slots that cooperate with the plug-in blocks, the plug-in blocks are slidably set in the slots, and elastic parts are provided between the plug-in blocks and the slots.

[0011] According to the waste battery pole piece crushing device of the present invention, the movable blocks are symmetrically provided with sliders, the crusher body is provided with slide grooves cooperating with the sliders, the sliders are slidably set in the slide grooves, the sliders in the slide grooves on the same side are threaded with the same rotatable rotating rod, and the internal threads of the two sliders on the same rotating rod are opposite.

[0012] According to the waste battery electrode crushing device of the present invention, a fixed box is provided at one end of the crusher body, the end of the rotating rod close to the fixed box is inserted into the fixed box, and the rotating rod inside the fixed box is sleeved with a transmission wheel, and a transmission belt is provided between the two transmission wheels.

[0013] According to the waste battery pole piece crushing device of the present invention, the ends of the movable blocks close to the symmetry center are each provided with an inclined surface.

[0014] The purpose of the present utility model is to provide a device for crushing waste battery pole pieces, including a material unloading assembly, an opening driving member, a moving block that moves horizontally toward each other on two rotating rods, guiding the battery pole pieces so that they can smoothly enter between the two crushing rollers, preventing the battery pole pieces from piling up, assisting in unloading, and accelerating the unloading speed; the telescopic member of the pushing assembly pushes the push plate, and the push plate rotates. When the telescopic member returns to the initial state, the inner rod pops out under the action of the elastic member, causing the push plate to rotate back to the initial position, while generating vibration, accelerating the unloading of the battery pole pieces, further preventing the battery pole pieces from piling up, and improving the crushing efficiency. In summary, the beneficial effects of the present utility model are: it can assist in unloading, accelerate the unloading speed, prevent the battery pole pieces from piling up, and improve the crushing efficiency during the crushing of the battery pole pieces. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the structural diagram of the utility model;

[0016] Figure 2 It is a horizontal cross-sectional view at the transmission wheel;

[0017] Figure 3 It is a longitudinal cross-sectional view at the push plate;

[0018] In the figure: 1-crusher body, 11-feeding port, 12-crushing roller, 2-feeding assembly, 21-moving block, 22-rotating rod, 23-transmission wheel, 24-transmission belt, 25-driving member, 3-fixed box, 4-pushing assembly, 41-push plate, 42-telescopic member, 43-telescopic rod, 431-outer rod, 432-inner rod, 433-elastic member. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0020] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "sleeved / connected", "connected", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be a direct connection or an indirect connection through an intermediate medium. It can be a connection between the two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] See also Figures 1 to 3 The utility model provides a waste battery electrode sheet crushing device, including a crusher body 1 (the structure of the crusher body 1 is the same as that of the prior art, including a discharge port 11, a rotatable crushing roller 12 and other structures. The use of the crusher body 1 is a mature prior art in this field, and its specific structure and working principle are not repeated here). A discharge port of the crusher body 1 is provided with a discharge assembly 2, and the discharge assembly 2 includes a moving block 21 symmetrically slidably connected to the crusher body 1. The moving block 21 is symmetrically provided with a slider. The crusher body 1 is provided with a slide groove that cooperates with the slider. The sliders are slidably set in the slide groove. The sliders in the slide groove on the same side are threaded with the same rotating rod 22, and the internal threads of the two sliders on the same rotating rod 22 are opposite (the internal threads of the two sliders on this rotating rod 22 are opposite). The external thread is also opposite), a fixed box 3 is provided at one end of the crusher body 1, and the end of the rotating rod 22 close to the fixed box 3 is inserted into the fixed box 3, and a transmission wheel 23 is provided on the rotating rod 22 inside the fixed box 3. The transmission wheel 23 can drive the rotating rod 22 to rotate, and a transmission belt 24 is provided between the two transmission wheels 23. One of the rotating rods 22 is connected to a driving member 25, and the driving member 25 can drive the rotating rod 22 to rotate. The driving member 25 is connected to the fixed box 3; when the driving member 25 is turned on, the two transmission wheels 23 can drive the two rotating rods 22 to rotate synchronously under the transmission of the transmission belt 24, and the moving block 21 cannot rotate with the rotating rod 22, and can only move horizontally toward each other on the two rotating rods 22 to guide the battery pole piece so that it can smoothly enter between the two crushing rollers 12 to prevent the battery pole piece from piling up.

[0023] See also Figures 1 to 3 Preferably, one end of the moving block 21 close to the symmetry center is provided with an inclined surface, and the inclined surface can facilitate material cutting.

[0024] See also Figures 1 to 3, the moving block 21 is provided with a mounting cavity at one end near the symmetric center, and a push assembly 4 is provided in the mounting cavity. The push assembly 4 includes a push plate 41 rotatably connected to the mounting cavity, and a telescopic member 42 and a telescopic rod 43 are provided in the mounting cavity to cooperate with the push plate 41. The end of the telescopic member 42 near the push plate 41 abuts against the upper part of the push plate 41, and the end of the telescopic rod 43 near the push plate 41 abuts against the lower part of the push plate 41. The telescopic rod 43 includes an outer rod 431 and an inner rod 432 that are sleeved with each other. The inner rod 432 is located inside the outer rod 431, and the inner rod 432 is elastically connected to the outer rod 431 (the inner part of the outer rod 431). The inner rod 432 is symmetrically provided with plug blocks, and the outer rod 431 is internally provided with slots that cooperate with the plug blocks. The plug blocks are slidably set in the slots, and elastic members 433 are provided between the plug blocks and the slots); when the telescopic member 42 is opened, the telescopic member 42 pushes the push plate 41, and the push plate 41 rotates. At the same time, the lower part of the push plate 41 pushes the inner rod 432 of the telescopic rod 43, forcing the inner rod 432 to retract into the outer rod 431. When the telescopic member 42 returns to the initial state, the inner rod 432 pops out under the action of the elastic member 433, causing the push plate 41 to rotate back to the initial position and at the same time causing the push plate 41 to vibrate, thereby accelerating the unloading of the battery electrode.

[0025] See also Figures 1 to 3 Preferably, the elastic member 433 is a spring to provide return power.

[0026] See also Figures 1 to 3 Preferably, the driving member 25 is a rotary motor and the telescopic member 42 is an electric cylinder to provide power for the device.

[0027] See also Figures 1 to 3 When unloading, the telescopic part 42 is opened and closed reciprocatingly, so that the push plate 41 rotates back and forth to accelerate the unloading of the battery pole pieces. If the unloading amount is small, the driving part 25 can also be opened to make the moving block 21 move horizontally toward each other on the two rotating rods 22 to guide the battery pole pieces so that they can smoothly enter between the two crushing rollers 12 to prevent the battery pole pieces from piling up.

[0028] The present utility model provides a device for crushing waste battery pole pieces, including a material unloading assembly, an opening driving member, a moving block that moves horizontally toward each other on two rotating rods, guiding the battery pole pieces so that they can smoothly enter between the two crushing rollers, preventing the battery pole pieces from piling up, assisting in material unloading, and accelerating the material unloading speed; the telescopic member of the pushing assembly pushes the push plate, and the push plate rotates. When the telescopic member returns to the initial state, the inner rod pops out under the action of the elastic member, causing the push plate to rotate back to the initial position, while generating vibration, accelerating the unloading of the battery pole pieces, further preventing the battery pole pieces from piling up, and improving the crushing efficiency. In summary, the beneficial effects of the present utility model are: it can assist in material unloading, accelerate the material unloading speed, prevent the battery pole pieces from piling up, and improve the crushing efficiency during the crushing of the battery pole pieces.

[0029] Of course, the present invention may have many other embodiments. Without departing from the spirit and essence of the present invention, technicians familiar with the field can make various corresponding changes and modifications based on the present invention, but these corresponding changes and modifications should all fall within the scope of protection of the claims attached to the present invention.

Claims

1. A device for crushing waste battery pole pieces, characterized in that: The crusher comprises a crusher body, a material discharge assembly is provided at a material discharge port of the crusher body, and the material discharge assembly comprises moving blocks which are symmetrically slidably connected to the crusher body and can move toward each other; The movable block is provided with an installation cavity at one end close to the center of symmetry, and a pushing assembly is provided in the installation cavity. The pushing assembly includes a push plate rotatably connected to the installation cavity, and a telescopic part and a telescopic rod cooperating with the push plate are provided in the installation cavity. The end of the telescopic part close to the push plate abuts the upper part of the push plate, and the end of the telescopic rod close to the push plate abuts the lower part of the push plate.

2. The waste battery pole piece crushing device according to claim 1, characterized in that: The telescopic rods each include an outer rod and an inner rod which are sleeved together. The inner rod is located inside the outer rod and is elastically connected to the outer rod.

3. The waste battery pole piece crushing device according to claim 2, characterized in that: Insert blocks are symmetrically provided on the inner rod inside the outer rod, and slots matching with the insert blocks are provided inside the outer rod. The insert blocks are slidably arranged in the slots, and elastic members are provided between the insert blocks and the slots.

4. The waste battery pole piece crushing device according to claim 1, characterized in that: The moving blocks are symmetrically provided with sliders, the crusher body is provided with sliding grooves cooperating with the sliders, the sliders are slidably set in the sliding grooves, the sliders in the sliding grooves on the same side are threaded with the same rotatable rotating rod, and the internal threads of the two sliders on the same rotating rod are opposite.

5. The waste battery pole piece crushing device according to claim 4, characterized in that: A fixed box is provided at one end of the crusher body, and the ends of the rotating rods close to the fixed box are all inserted into the fixed box, and the rotating rods inside the fixed box are all sleeved with transmission wheels, and a transmission belt is provided between the two transmission wheels.

6. The waste battery pole piece crushing device according to claim 1, characterized in that: The ends of the moving blocks close to the symmetry center are each provided with an inclined surface.

Images