Crushed negative electrode material screening equipment

Abstract

The utility model relates to the technical field of screening equipment, in particular to screening equipment for crushed cathode materials, which comprises a linear screen body, a scraper blade and a feeding component. The feeding assembly comprises a shell, a feeding pipe, a rotating shaft, a feeding barrel and a driving component, the shell is fixedly connected with the linear screen body, the feeding pipe is connected with the shell, the rotating shaft is rotatably connected with the shell, the feeding barrel is slidably connected with the rotating shaft, the feeding barrel is provided with a feeding groove, and during feeding, materials entering the shell fall into the feeding groove under the action of gravity; the feeding barrel rotates under the action of the driving component, then the multiple feeding grooves are driven to rotate, and after the feeding grooves containing materials rotate to the through grooves in the sealing cover, the materials in the feeding grooves can fall onto the screen. And meanwhile, due to the fact that the feeding barrel reciprocates in the rotating process, the materials in the feeding groove are distributed more evenly in the rotating and reciprocating vibration process, feeding of the materials is more even, and the problem that the materials block the scraper blade is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of screening equipment, in particular to a screening device for crushed negative electrode materials. Background Art

[0002] The negative electrode material crushing and screening production line mainly processes negative electrode sheets, copper foil scraps, and negative electrode cores. Based on the characteristics of negative electrode materials and considering environmental factors, the negative electrode materials and valuable metals are separated by physical crushing methods combined with airflow sorting and vibration screening processes, and finally copper and graphite powder are obtained for recycling. In the screening process, a linear screen is needed to screen the materials. Traditional linear screens cannot flatten the materials, which makes it easy for the materials to accumulate when moving on the screen, affecting the screening effect.

[0003] Prior art CN216500726U discloses a linear vibration screening machine, including a bracket, a damping spring is installed at the top of the bracket, a guide structure is arranged on one side of the damping spring, a material bin is installed at the top of the damping spring, a vibration motor is installed at the bottom of the material bin, a disassembly structure is arranged at the top of the material bin, a second filter is arranged at the bottom of the first filter, a third filter is arranged at the bottom of the second filter, and a discharge port is arranged on one side of the material bin. The utility model is provided with a scraping structure, and the connecting plate is arranged at the position of the feed port on one side of the material bin through a mounting seat, so that the material at the position can be scraped during the feeding process, so that the material is flattened on the surface of the first filter, and the descending speed of the screened material is accelerated, so that the machine can flatten the material, thereby making the use effect of the machine better.

[0004] The above device is provided with a scraper to scrape the material flat, but the material feeding speed is usually uneven. When a large amount of material is fed, the material is easily blocked at the scraper. Utility Model Content

[0005] The utility model aims to provide a screening device for crushing negative electrode materials, which solves the problem that in the existing linear vibration screening machine, when a large amount of materials are fed, the materials are easily blocked at the scraper.

[0006] To achieve the above-mentioned purpose, the utility model provides a negative electrode material post-crushing screening device, including a linear screen body and a scraper, wherein the scraper is installed inside the linear screen body, and also includes a feeding assembly; the feeding assembly includes a shell, a feeding pipe, a rotating shaft, a feeding barrel and a driving member, the shell is fixedly connected to the linear screen body, and is communicated with the linear screen body, and is located on one side of the linear screen body, the feeding pipe is connected to the shell, and is communicated with the shell, and is located on one side of the shell, the rotating shaft is rotatably connected to the shell and is located inside the shell, the feeding barrel is slidably connected to the rotating shaft and is sleeved on the rotating shaft, the feeding barrel has a feeding trough, the feeding trough is arranged on the feeding barrel, and the driving member is arranged on the shell.

[0007] Among them, the driving component includes a rotating motor, a driving bevel gear, a driven bevel gear and a cam, the rotating motor is connected to the shell and is located on one side of the shell, and the output end of the rotating motor is connected to the rotating shaft; the driving bevel gear is fixedly connected to the rotating shaft and is arranged on the rotating shaft; the driven bevel gear is rotatably connected to the shell, meshes with the driving bevel gear, and is located inside the shell; the cam is fixedly connected to the driven bevel gear, abuts against the loading barrel, and is located on one side of the driven bevel gear.

[0008] Wherein, the driving component also includes a return spring, two ends of the return spring are respectively in contact with the shell and the loading barrel, and the return spring is located inside the shell.

[0009] Wherein, the cam includes a wheel body and a roller. The cam is fixedly connected to the driven bevel gear and is located on one side of the driven bevel gear. The roller is rotationally connected to the wheel body and is arranged on the wheel body.

[0010] Among them, the rotating shaft has a limiting protrusion, which is arranged on the rotating shaft and located on one side of the rotating shaft; the loading barrel has a limiting groove, which is arranged on the loading barrel and located on the side of the loading barrel close to the limiting protrusion, and the limiting groove cooperates with the limiting protrusion.

[0011] The utility model provides a negative electrode material screening device after crushing. When feeding, the driving component is started and the material is put into the shell through the feeding pipe. The material entering the shell falls into the feeding trough under the action of gravity. The feeding barrel rotates under the action of the driving component, thereby driving multiple feeding troughs to rotate. When the feeding trough filled with material rotates to the through groove on the sealing cover, the material inside the feeding trough can fall onto the screen. At the same time, since the feeding barrel reciprocates during the rotation process, the material inside the feeding trough is distributed more evenly during the rotation and reciprocating vibration process, thereby further improving the uniformity of feeding and allowing the material to fall evenly on the screen. Finally, by controlling the rotation speed of the feeding barrel, the feeding speed can be controlled to achieve more uniform feeding of the material and avoid the problem of material clogging at the scraper. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is a schematic diagram of the overall structure of the negative electrode material crushing and screening device of the first embodiment of the utility model.

[0014] Figure 2 It is a schematic diagram of the installation structure of the loading barrel of the first embodiment of the utility model.

[0015] Figure 3 The first embodiment of the utility model Figure 2 Enlarged view of point A.

[0016] Figure 4 It is a structural schematic diagram of the driving component of the first embodiment of the utility model.

[0017] Figure 5 It is a schematic diagram of the installation structure of the roller of the first embodiment of the utility model.

[0018] Figure 6 It is a structural schematic diagram of the limiting protrusion of the second embodiment of the utility model.

[0019] In the figure: 101-linear screen body, 102-scraper, 103-bracket, 104-spring, 105-screen box, 106-screen, 107-sealing cover, 108-vibration motor, 109-scraper, 110-through slot, 111-feeding assembly, 112-housing, 113-feeding pipe, 114-rotating shaft, 115-loading barrel, 116-driving member, 117-loading trough, 118-rotating motor, 119-driving bevel gear, 120-driven bevel gear, 121-cam, 122-reset spring, 123-wheel body, 124-roller, 201-limiting protrusion, 202-limiting slot. DETAILED DESCRIPTION

[0020] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0021] First embodiment:

[0022] See also Figures 1 to 5 ,in Figure 1 This is a schematic diagram of the overall structure of the screening equipment after the negative electrode material is crushed. Figure 2 This is a schematic diagram of the installation structure of the upper barrel. Figure 3 yes Figure 2 A magnified image of Figure 4 It is a schematic diagram of the structure of the driving component. Figure 5 It is a schematic diagram of the installation structure of the roller.

[0023] The utility model provides a negative electrode material screening device after crushing, including a linear screen body 101, a scraper 102 and a feeding assembly 111, the feeding assembly 111 includes a shell 112, a feeding pipe 113, a rotating shaft 114, a feeding barrel 115 and a driving component 116, the driving component 116 includes a rotating motor 118, an active bevel gear 119, a driven bevel gear 120, a cam 121 and a reset spring 122, the cam 121 includes a wheel body 123 and a roller 124, the rotation of the feeding barrel 115 drives the feeding trough 117 to rotate, and then the material is fed, so that the material is more uniform, and it is convenient to control the feeding speed. It can be understood that the above scheme can be used to avoid blockage of materials during screening, and can also be used to solve the problem of driving the feeding barrel 115 to move back and forth.

[0024] According to this specific embodiment, the scraper 102 is installed inside the linear screen body 101, and the linear screen body 101 is composed of a bracket 103, a spring 104, a screen box 105, a screen 106 and a sealing cover 107. Two vibration motors 108 are also installed on the screen box 105, wherein the scraper 102 is installed on the sealing cover 107, and the material on the screen 106 is scraped flat to avoid material accumulation. When in use, the material enters the screen box 105 evenly through the feeding assembly 111, and the screen box 105 and the screen 106 are driven to vibrate by the vibration motor 108. Under the action of the vibration force, the material moves forward and continuously contacts the screen surface, thereby being divided into particles of different sizes. The linear screen body 101 is a prior art, and its structure and working principle are not described in detail here.

[0025] The housing 112 is fixedly connected to the linear screen body 101, communicates with the linear screen body 101, and is located on one side of the linear screen body 101. The feed pipe 113 is connected to the housing 112, communicates with the housing 112, and is located on one side of the housing 112. The shaft 114 is rotatably connected to the housing 112 and is located inside the housing 112. The loading barrel 115 is slidably connected to the rotating shaft 114 and is sleeved on the rotating shaft 114. The housing 112 is provided with a feeding groove 117, the feeding groove 117 is arranged on the feeding barrel 115, and the driving member 116 is arranged on the housing 112; the feeding groove 117 is arranged in plurality and evenly distributed on the feeding barrel 115, the sealing cover 107 is provided with a through groove 110 matched with the feeding groove 117, the driving member 116 can drive the rotating shaft 114 to rotate, thereby driving the feeding barrel 115 to rotate, and the driving member 116 can also drive the feeding barrel 115 to move back and forth, so as to The feeding barrel 115 is enabled to rotate and reciprocate; when feeding, the driving member 116 is started and the material is fed into the housing 112 through the feeding pipe 113, and the material entering the housing 112 falls into the feeding trough 117 under the action of gravity, and the feeding barrel 115 is rotated under the action of the driving member 116, thereby driving the plurality of feeding troughs 117 to rotate, and when the feeding trough 117 filled with the material rotates to the through groove 110 on the sealing cover 107, the feeding trough 117 is 7 can fall onto the screen 106; at the same time, since the feeding barrel 115 reciprocates during the rotation, the material inside the feeding trough 117 is distributed more evenly during the rotation and reciprocating vibration, thereby further improving the uniformity of feeding and allowing the material to fall evenly on the screen 106; finally, by controlling the rotation speed of the feeding barrel 115, the feeding speed can be controlled to achieve more uniform feeding of the material and avoid the problem of material clogging at the scraper 102.

[0026] Secondly, the rotating motor 118 is connected to the housing 112 and is located on one side of the housing 112, and the output end of the rotating motor 118 is connected to the rotating shaft 114; the driving bevel gear 119 is fixedly connected to the rotating shaft 114 and is arranged on the rotating shaft 114; the driven bevel gear 120 is rotatably connected to the housing 112, meshes with the driving bevel gear 119, and is located inside the housing 112; the cam 121 is fixedly connected to the driven bevel gear 120, abuts against the loading barrel 115, and is located on one side of the driven bevel gear 120.

[0027] At the same time, the two ends of the return spring 122 are respectively in contact with the housing 112 and the loading barrel 115, and the return spring 122 is located inside the housing 112; the rotating shaft 114 is driven to rotate by the operation of the rotating motor 118, and the rotating shaft 114 drives the loading barrel 115 to rotate, thereby achieving the purpose of driving the loading barrel 115 to rotate; while the rotating shaft 114 rotates, it also drives the active bevel gear 119 to rotate, so that the active bevel gear 119 drives the driven bevel gear 120 to rotate, and the driven bevel gear 120 drives the cam 121 to rotate, so that the protrusion on the cam 121 periodically abuts against the loading barrel 115, and at this time, the loading barrel 115 can reciprocate under the action of the cam 121 and the return spring 122, thereby achieving the purpose of driving the loading barrel 115 to rotate and reciprocating at the same time.

[0028] In addition, the cam 121 is fixedly connected to the driven bevel gear 120 and is located on one side of the driven bevel gear 120; the roller 124 is rotatably connected to the wheel body 123 and is arranged on the wheel body 123; the roller 124 is used to reduce the friction between the cam 121 and the loading barrel 115, thereby avoiding wear of the loading barrel 115 or the cam 121.

[0029] When the negative electrode material crushing and screening device of the present embodiment is used, the material is put into the shell 112 through the feed pipe 113, so that the material can fall into the upper trough 117. At this time, the rotating motor 118 drives the rotating shaft 114 and the upper barrel 115 to rotate, thereby rotating the upper trough 117. When the upper trough 117 rotates to the through groove 110 on the sealing cover 107, the material inside the upper trough 117 can fall onto the screen 106; while the rotating shaft 114 rotates, it also drives the active bevel gear 119 to rotate, so that the active bevel gear 119 drives the driven bevel gear 120 to rotate, thereby driving the cam 121 to rotate, so that the upper barrel 115 can reciprocate under the action of the cam 121 and the return spring 122, so that the material inside the upper trough 117 is more uniform, thereby achieving more uniform material feeding and avoiding the problem of material clogging at the scraper 102.

[0030] Second embodiment:

[0031] Based on the first embodiment, please refer to Figure 6 , Figure 6 2 is a schematic structural diagram of the limiting protrusion of the second embodiment. In this embodiment, the rotating shaft 114 has a limiting protrusion 201 , and the loading barrel 115 has a limiting groove 202 .

[0032] According to this specific embodiment, the limiting protrusion 201 is arranged on the rotating shaft 114 and is located on one side of the rotating shaft 114; the limiting groove 202 is arranged on the loading barrel 115 and is located on the side of the loading barrel 115 close to the limiting protrusion 201, and the limiting groove 202 cooperates with the limiting protrusion 201. Through the cooperation between the limiting groove 202 and the limiting protrusion 201, the loading barrel 115 and the rotating shaft 114 can only slide but not rotate.

[0033] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A negative electrode material crushing and screening device, comprising a linear screen body and a scraper, wherein the scraper is installed inside the linear screen body, characterized in that: Also included is a feed assembly; The feeding assembly includes a shell, a feeding pipe, a rotating shaft, a feeding barrel and a driving member. The shell is fixedly connected to the linear screen body, communicated with the linear screen body, and is located on one side of the linear screen body. The feeding pipe is connected to the shell, communicated with the shell, and is located on one side of the shell. The rotating shaft is rotatably connected to the shell and is located inside the shell. The feeding barrel is slidably connected to the rotating shaft and is sleeved on the rotating shaft. The feeding barrel has a feeding trough, which is arranged on the feeding barrel. The driving member is arranged on the shell.

2. The negative electrode material crushing and screening device according to claim 1, characterized in that: The driving component includes a rotating motor, a driving bevel gear, a driven bevel gear and a cam. The rotating motor is connected to the housing and is located on one side of the housing. The output end of the rotating motor is connected to the rotating shaft; the driving bevel gear is fixedly connected to the rotating shaft and is arranged on the rotating shaft; the driven bevel gear is rotatably connected to the housing, meshes with the driving bevel gear, and is located inside the housing; the cam is fixedly connected to the driven bevel gear, abuts against the loading barrel, and is located on one side of the driven bevel gear.

3. The negative electrode material crushing and screening device according to claim 1, characterized in that: The driving component further comprises a return spring, two ends of which are respectively in contact with the housing and the loading cylinder, and the return spring is located inside the housing.

4. The negative electrode material crushing and screening device according to claim 2, characterized in that: The cam comprises a wheel body and a roller. The cam is fixedly connected to the driven bevel gear and is located on one side of the driven bevel gear. The roller is rotationally connected to the wheel body and is arranged on the wheel body.

5. The negative electrode material crushing and screening device according to claim 1, characterized in that: The rotating shaft has a limiting protrusion, which is arranged on the rotating shaft and located on one side of the rotating shaft; the loading barrel has a limiting groove, which is arranged on the loading barrel and located on a side of the loading barrel close to the limiting protrusion, and the limiting groove cooperates with the limiting protrusion.

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