Powder recovery device and magnetic rod cleaning equipment

Abstract

The utility model discloses a kind of powder recovery device and the cleaning equipment of magnetic rod, it is related to lithium ion battery manufacturing technical field.The powder recovery device includes box, dustproof assembly and pump body, the box is equipped with feeding port, air vent and discharge port, the discharge port is equipped in the bottom of the box;The dustproof assembly cover is equipped in the air vent;The pump body is communicated with the discharge port, to discharge the powder in the pump body.This powder recovery device can automatically complete the collection and transfer of powder, reduce the working strength of operator, and efficiency is higher, reduce cost.

Description

Technical Field

[0001] This utility model relates to the field of lithium-ion battery manufacturing technology, and in particular to a powder recycling device and a cleaning equipment for magnetic rods. Background Technology

[0002] Since some magnetic powder inevitably exists in the electrode slurry, if the magnetic powder particles are large, it is necessary to insert a magnetic rod into the bottle containing the electrode slurry and stir to adsorb the magnetic powder in the electrode slurry. Before reuse, the magnetic rod needs to be cleaned of the magnetic powder adsorbed on its surface.

[0003] In existing technology, operators use ton bags to collect the powder cleaned from the magnetic rod and transport it to a designated location for recycling, thereby improving the utilization rate and reducing costs. However, using ton bags to collect powder is inefficient and requires a high level of labor intensity for operators. Utility Model Content

[0004] The purpose of this invention is to provide a powder recycling device and a magnetic rod cleaning equipment, which can automatically complete the collection and transfer of powder, reduce the workload of operators, and has high efficiency and reduced costs.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] A powder recycling device, comprising:

[0007] The box body has a feeding port, a ventilation port and a discharge port, with the discharge port located at the bottom of the box body;

[0008] A dustproof component, wherein the dustproof component is fitted over the ventilation opening;

[0009] A pump body, which is connected to the discharge port, to discharge the powder material inside the pump body.

[0010] As an optional solution for the above-mentioned powder recovery device, the dustproof component includes a filter cover, which is installed over the ventilation opening. The filter cover has multiple filter holes, through which gas inside the box can pass and which can block the powder.

[0011] As an optional solution for the above-mentioned powder recovery device, the top of the filter cover is provided with a vent hole, and when the filter hole is blocked, gas can pass through the vent hole.

[0012] As an optional solution for the above-mentioned powder recovery device, the filter cover includes a cover body and a dustproof door. The vent is opened at the top of the cover body. The dustproof door is movably connected to the cover body to block the vent. When the negative pressure inside the box reaches a preset pressure, the dustproof door opens.

[0013] As an optional solution for the above-mentioned powder recovery device, the filter cover also includes an elastic element, the dustproof door is rotatably connected to the cover body, and the elastic element is configured to drive the dustproof door to rotate in the direction of closing the vent.

[0014] As an optional solution for the above-mentioned powder recovery device, the dustproof component further includes a dustproof cover, which includes a housing and a dustproof cylinder disposed within the housing. There is a ventilation hole between the housing and the dustproof cylinder. The housing is disposed in the box and covers the filter cover. The top end of the dustproof cylinder is fixedly connected to the top surface of the housing, and the bottom end of the dustproof cylinder is spaced apart from the box.

[0015] As an optional solution for the above-mentioned powder recovery device, the vent and the filter cover are connected by a connecting pipe, and the connecting pipe is in the shape of a frustum of a circle.

[0016] As an optional embodiment of the aforementioned powder recovery device, the bottom of the dustproof cylinder is lower than the filter cover.

[0017] As an optional solution for the above-mentioned powder recovery device, the discharge port is provided with a switch valve, which is configured to open or close the discharge port.

[0018] A magnetic rod cleaning device includes the aforementioned powder recovery device and a cleaning device. The cleaning device includes a sleeve, a cleaning ring, and a negative pressure tube. The sleeve is capable of being fitted onto the magnetic rod. The cleaning ring is axially movable within the sleeve and is configured to scrape off powder from the surface of the magnetic rod. One end of the negative pressure tube passes through the sleeve to create a negative pressure within the sleeve, and the other end of the negative pressure tube is connected to the feeding port.

[0019] The beneficial effects of this utility model are:

[0020] This invention provides a powder recycling device and a cleaning device for magnetic rods. In the powder recycling device, the feeding port is used to feed powder cleaned from the magnetic rods into the tank. When the powder accumulates to a certain amount in the tank, the pump is activated to extract the powder from the discharge port and transport it to a designated location for recycling. The ventilation port is used to balance the pressure difference between the inside and outside of the tank, while the dustproof components prevent floating powder from overflowing and polluting the environment.

[0021] This powder recovery device can automatically collect and transfer powder, reducing the workload of operators, and is highly efficient, thus reducing costs. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the cleaning device provided by this utility model;

[0023] Figure 2 This is a schematic diagram of the powder recycling device provided by this utility model;

[0024] Figure 3 This is a structural schematic diagram of the dustproof component provided by this utility model.

[0025] In the picture:

[0026] 100. Magnetic rod;

[0027] 1. Cleaning device; 11. Sleeve; 12. Electromagnetic coil; 13. Cleaning ring; 14. Negative pressure pipe;

[0028] 2. Powder recovery device; 21. Box body; 211. Feeding port; 212. Ventilation port; 213. Discharge port; 22. Dustproof components; 221. Filter cover; 2211. Filter hole; 2212. Ventilation hole; 2213. Cover body; 2214. Dustproof door; 222. Dustproof cover; 2221. Shell; 2222. Dustproof cylinder; 2223. Ventilation hole; 223. Connecting pipe; 23. Pump body; 24. Switch valve. Detailed Implementation

[0029] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0030] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The terms "first position" and "second position" refer to two different positions.

[0031] Unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing" should be interpreted broadly. For example, they can refer to fixed connections or detachable connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and connections within two components or interactions between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0032] Unless otherwise expressly specified and limited, "above" or "below" a second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of a second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" of a second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0033] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0034] This embodiment provides a cleaning device for magnetic rods, such as... Figure 1 and Figure 2 As shown, the cleaning equipment includes a powder recovery device 2 and a cleaning device 1. The cleaning device 1 includes a sleeve 11 and a cleaning ring 13. The sleeve 11 can be sleeved on the magnetic rod 100. The cleaning ring 13 is axially movable inside the sleeve 11. The cleaning ring 13 is configured to scrape off the powder on the surface of the magnetic rod 100. The powder recovery device 2 is used to collect the powder and recycle it.

[0035] In this embodiment, the cleaning device 1 further includes an electromagnetic coil 12. One end of the sleeve 11 is open so that it can be fitted onto the magnetic rod 100. The electromagnetic coil 12 is fixedly installed on the sleeve 11 and can be fitted onto the outer periphery of the magnetic rod 100 along with the sleeve 11. The electromagnetic coil 12 can generate a first magnetic field, and the magnetic rod 100 has a second magnetic field. The first magnetic field can cancel at least a portion of the second magnetic field.

[0036] In this cleaning device 1, the electromagnetic coil 12 inside the sleeve 11 generates an electromagnetic field similar to the magnetic field of the magnetic rod 100 after being energized. By making the direction of the electromagnetic field opposite to the direction of the magnetic field of the magnetic rod 100, a portion of the magnetic field of the magnetic rod 100 can be canceled out, thereby weakening the attraction of the magnetic rod 100 to the magnetic powder on its surface and reducing the difficulty of scraping off the magnetic powder. In other words, the operator can easily scrape off the magnetic powder from the surface of the magnetic rod 100.

[0037] Generally, the directions of the first magnetic field and the second magnetic field are opposite, and there are three situations: one is that the magnetic field strength of the first magnetic field is less than that of the second magnetic field. In this case, the magnetic rod 100 can still attract magnetic powder, but the attraction force is reduced, making it easier to clean; another is that the magnetic field strength of the first magnetic field is equal to that of the second magnetic field. In this case, the first magnetic field and the second magnetic field cancel each other out, and the magnetic powder is not subject to the force of the magnetic field, so it can fall off the surface of the magnetic rod 100; and the third is that the magnetic field strength of the first magnetic field is greater than that of the second magnetic field. In this case, the magnetic powder is attracted by the electromagnetic coil 12 or the sleeve 11. After the electromagnetic coil 12 is de-energized, the magnetic powder can fall off the electromagnetic coil 12 or the sleeve 11.

[0038] In this embodiment, the magnetic field strength of the first magnetic field is equal to that of the second magnetic field to ensure that the magnetic powder falls off freely and is easy to clean. This cleaning device 1 can reduce the difficulty of scraping the magnetic powder off the surface of the magnetic rod 100, save manpower, and improve the efficiency and effectiveness of cleaning the magnetic rod 100.

[0039] Understandably, the powder that has detached from the magnetic rod 100 still exists inside the inner tube. Whether the energization of the electromagnetic coil 12 is stopped or the magnetic rod 100 is removed, the magnetic powder will be re-attracted. For example... Figure 1 As shown, to solve the above problems, the cleaning device 1 also includes a negative pressure pipe 14, which is inserted into the sleeve 11 to create a negative pressure inside the sleeve 11. The negative pressure pipe 14 allows the gas inside the sleeve 11 to flow towards and enter the negative pressure pipe 14. When the powder detaches from the magnetic rod 100, the powder will enter the negative pressure pipe 14 along with the gas and be discharged from the sleeve 11.

[0040] like Figure 2 As shown, the powder recovery device 2 includes a housing 21, a dustproof component 22, and a pump body 23. The housing 21 has a feeding port 211, a ventilation port 212, and a discharge port 213. The discharge port 213 is located at the bottom of the housing 21. The dustproof component 22 covers the ventilation port 212. The pump body 23 is connected to the discharge port 213 to discharge the powder inside the pump body 23.

[0041] In this powder recycling device 2, the feeding port 211 is used to feed the powder washed off by the magnetic rod 100 into the housing 21. When the powder accumulates to a certain amount in the housing 21, the pump 23 is turned on, thereby drawing the powder out of the housing 21 from the discharge port 213 and transporting it to a designated location for recycling. The ventilation port 212 is used to balance the pressure difference inside and outside the housing 21, while the dustproof component 22 can prevent the powder floating inside the housing 21 from overflowing and polluting the environment.

[0042] The powder recovery device 2 can automatically collect and transfer powder, reducing the workload of operators, and is highly efficient, thus reducing costs.

[0043] To improve efficiency and reduce environmental pollution, the other end of the negative pressure pipe 14 is connected to the feeding port 211, allowing the powder to enter the box 21 directly.

[0044] like Figure 2 and Figure 3 As shown, in this embodiment, the dustproof component 22 includes a filter cover 221, which covers the ventilation opening 212. The filter cover 221 has multiple filter holes 2211, allowing gas inside the housing 21 to pass through the filter holes 2211, which in turn block the powder. The powder particles floating inside the housing 21 have small diameters, and the filter cover 221 can prevent the powder from escaping while ensuring ventilation, allowing the powder to adhere to the inner wall of the filter cover 221. When the pump 23 is started, the powder adhering to the inner wall of the filter cover 221 can also be carried by the airflow into the housing 21 for recycling, avoiding powder waste.

[0045] It is worth noting that the barrier effect of the filter cover 221 on the powder means that the diameter of the filter hole 2211 is smaller than the diameter of the powder particles, thus blocking the powder from passing through. However, some powder particles with even smaller diameters may still pass through the filter cover 221.

[0046] In this embodiment, a vent 2212 is provided on the top of the filter cover 221. When the filter hole 2211 is blocked, gas can pass through the vent 2212. As more and more powder adheres to the inner wall of the filter cover 221, it will cause the filter hole 2211 of the filter cover 221 to become blocked, affecting the air permeability of the filter cover 221. The vent 2212 ensures that when the pump body 23 starts, a vacuum state will not be generated inside the housing 21 due to the blockage of the filter hole 2211, ensuring that the powder inside the housing 21 can be pumped out. Moreover, since the vent 2212 is on the top of the filter cover 221, very little powder will overflow from the filter cover 221 through the vent 2212, avoiding pollution of the external environment.

[0047] like Figure 3As shown, the filter cover 221 includes a cover body 2213 and a dustproof door 2214. A vent 212 is located at the top of the cover body 2213. The dustproof door 2214 is movably connected to the cover body 2213 to seal the vent 212. When the negative pressure inside the housing 21 reaches a preset pressure, the dustproof door 2214 opens. To further protect the surrounding environment, a dustproof door 2214 can be installed at the vent 212 position of the cover body 2213, and the dustproof door 2214 is normally closed to seal the filter cover 221, ensuring that dust entering the cover body 2213 can only adhere to the inner wall of the cover body 2213 and does not overflow the cover body 2213. When the filter holes 2211 of the cover 2213 are partially or completely blocked and the pump 23 is turned on, external gas cannot enter the box 21, making the box 21 under negative pressure. When the pressure difference between the box 21 and the external atmospheric pressure reaches the preset pressure, the dust door 2214 opens to ensure the normal operation of the powder recovery device 2.

[0048] In this embodiment, the filter cover 221 also includes an elastic element. The dustproof door 2214 is rotatably connected to the cover body 2213. The elastic element is configured to drive the dustproof door 2214 to rotate in the direction of closing the vent 212. When the filter holes 2211 of the cover body 2213 are partially or completely blocked and the pump body 23 is turned on, external gas cannot enter the housing 21, making the housing 21 a negative pressure state. At this time, the pressure difference between the external atmospheric pressure and the internal gas pressure acts on the dustproof door 2214. When the force of this pressure difference on the dustproof door 2214 is greater than the elastic force of the elastic element, the dustproof door 2214 rotates and is opened. When the pump body 23 is turned off, the dustproof door 2214 will close again under the drive of the elastic element.

[0049] like Figure 2 and Figure 3 As shown, the dustproof assembly 22 also includes a dust cover 222, which is disposed on the housing 21 and covers the filter cover 221. The dust cover 222 has ventilation holes 2223. It is understood that the filter cover 221 can effectively block powder, but some particles with extremely small diameters inevitably exist in the powder. These particles can overflow from the filter cover 221 through the filter holes 2211. At this time, the dust cover 222 can prevent the overflowing particles from polluting the external environment.

[0050] Preferably, the dust cover 222 includes a housing 2221 and a dust cover cylinder 2222 disposed within the housing 2221. A ventilation hole 2223 is provided between the housing 2221 and the dust cover cylinder 2222. The housing 2221 is disposed within the box body 21 and covers the filter cover 221. The top end of the dust cover cylinder 2222 is fixedly connected to the top surface of the housing 2221, and the bottom end of the dust cover cylinder 2222 is spaced apart from the box body 21. This structure ensures that powder overflowing from the filter cover 221 must first move downwards to between the dust cover cylinder 2222 and the housing 2221, and then upwards to the ventilation hole 2223 before overflowing from the dust cover 222. This significantly increases the path and difficulty of powder overflowing from the dust cover 222, effectively preventing pollution of the external environment.

[0051] For ease of assembly, the housing 2221 includes side walls and a top cover, and the top cover and side walls are detachably connected, with the dust cover 2222 fixedly connected to the top cover.

[0052] like Figure 3 As shown, the bottom of the dust cover 2222 is lower than the filter cover 221. That is to say, all the powder passing through the filter holes 2211 of the filter cover 221 needs to go through a downward and then upward path to be discharged from the dust cover 222. By reversing, the amount of powder that can be discharged from the dust cover 222 can be greatly reduced.

[0053] In this embodiment, the vent 212 and the filter cover 221 are connected by a connecting pipe 223, and the connecting pipe 223 is in the shape of a frustum of a circle. A frustum of a circle means that the sidewall of the connecting pipe 223 gradually slopes outwards from top to bottom, meaning the diameter of the connecting pipe 223 gradually increases. After the pump body 23 is started, this structure can, on the one hand, guide the airflow inside the dust cover 222 along the sidewall of the connecting pipe 223, which helps to blow the powder that falls on the surface of the connecting pipe 223 and the housing 21 back into the filter cover 221, avoiding waste. On the other hand, it can also quickly disperse the airflow entering the housing 21, preventing the powder from scattering due to the impact of the gas on the powder inside the housing 21.

[0054] In this embodiment, the bottom surface of the box 21 is inclined inward in a frustum shape from top to bottom, that is, the inner diameter of the box 21 gradually decreases, and the discharge port 213 is located at the lowest point of the bottom surface of the box 21 so as to discharge the powder inside the box 21.

[0055] It is worth noting that, in order to prevent powder from clogging the pump body 23, a switching valve 24 is provided at the discharge port 213. The switching valve 24 is configured to open or close the discharge port 213. When the pump body 23 starts, the automatic valve opens to discharge the powder. When the pump body 23 stops running, the automatic valve closes to prevent powder from accumulating at the pump body 23 and clogging it.

[0056] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. A powder recycling device (2), characterized in that, include: The box (21) has a feeding port (211), a ventilation port (212) and a discharge port (213), and the discharge port (213) is located at the bottom of the box (21); A dustproof component (22) is provided to cover the ventilation opening (212); Pump body (23), which is connected to discharge port (213) to discharge powder material inside the pump body (23).

2. The powder recovery device (2) according to claim 1, characterized in that, The dustproof component (22) includes a filter cover (221), which covers the vent (212). The filter cover (221) is provided with a plurality of filter holes (2211), and the gas inside the housing (21) can pass through the filter holes (2211). The filter holes (2211) can block the powder.

3. The powder recovery device (2) according to claim 2, characterized in that, The top of the filter cover (221) is provided with a vent (2212), and when the filter hole (2211) is blocked, gas can pass through the vent (2212).

4. The powder recovery device (2) according to claim 3, characterized in that, The filter cover (221) includes a cover body (2213) and a dustproof door (2214). The vent (212) is located on the top of the cover body (2213). The dustproof door (2214) is movably connected to the cover body (2213) to block the vent (212). When the negative pressure inside the box (21) reaches a preset pressure, the dustproof door (2214) opens.

5. The powder recovery device (2) according to claim 4, characterized in that, The filter cover (221) also includes an elastic element, the dustproof door (2214) is rotatably connected to the cover body (2213), and the elastic element is configured to drive the dustproof door (2214) to rotate in the direction of closing the vent (212).

6. The powder recovery device (2) according to claim 2, characterized in that, The dustproof assembly (22) further includes a dust cover (222), which includes a housing (2221) and a dustproof cylinder (2222) disposed inside the housing (2221). There is a ventilation hole (2223) between the housing (2221) and the dustproof cylinder (2222). The housing (2221) is disposed on the box (21) and covers the filter cover (221). The top end of the dustproof cylinder (2222) is fixedly connected to the top surface of the housing (2221), and the bottom end of the dustproof cylinder (2222) is spaced apart from the box (21).

7. The powder recovery device (2) according to claim 6, characterized in that, The vent (212) is connected to the filter cover (221) by a connecting pipe (223), and the connecting pipe (223) is in the shape of a frustum.

8. The powder recovery device (2) according to claim 6, characterized in that, The bottom of the dustproof cylinder (2222) is lower than the filter cover (221).

9. The powder recovery device (2) according to any one of claims 1 to 8, characterized in that, The discharge port (213) is provided with a switch valve (24), which is configured to open or close the discharge port (213).

10. A cleaning device for magnetic rods, characterized in that, The powder recovery device (2) according to any one of claims 1 to 9 further includes a cleaning device (1), the cleaning device (1) including a sleeve (11), a cleaning ring (13) and a negative pressure pipe (14), the sleeve (11) being able to be fitted onto the magnetic rod (100), the cleaning ring (13) being axially movable within the sleeve (11), the cleaning ring (13) being configured to scrape off the powder from the surface of the magnetic rod (100), one end of the negative pressure pipe (14) being inserted through the sleeve (11) to create a negative pressure inside the sleeve (11), and the other end of the negative pressure pipe (14) being connected to the feeding port (211).

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