Automatic unpacking equipment for powder

Abstract

The utility model discloses automatic powder unpacking equipment which comprises a rack, a material taking mechanism, a cutter mechanism and two automatic lifting doors, a powder feeding bin is formed on the rack, and the material taking mechanism is arranged at the top of the rack and used for hoisting a powder raw material bag and enabling the powder raw material bag to move in the longitudinal direction or the transverse direction. The cutter mechanism is arranged in the powder feeding bin and used for cutting a packaging bag of the powder raw material bag so that battery powder in the powder raw material bag can fall into the powder feeding bin, the powder feeding bin is provided with two openings, the two openings are distributed in the two sides of the powder feeding bin in the transverse direction, and the cutter mechanism is used for cutting the packaging bag of the powder raw material bag. And the two automatic lifting doors are respectively arranged at the two openings and are used for closing or opening the openings. According to the utility model, the safe production environment of a feeding area is greatly improved, and meanwhile, the powder raw material utilization rate and the energy utilization rate of the slurry mixing process are also greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic feeding production of raw materials for lithium-ion batteries, in particular to automatic powder unpacking equipment. Background Art

[0002] During the production process of lithium-ion battery raw materials, the powder raw materials are fed into the slurry mixing tank through the feeding station and mixed with the liquid raw materials to make the positive and negative electrode slurry of lithium-ion batteries, which are used for the production of positive and negative electrode sheets in the coating process to complete the lithium-ion battery cell production process.

[0003] The traditional method is manual loading, manually opening the powder material packaging bag to feed the material. It is unavoidable that a large amount of powder raw materials will overflow into the working area environment during the process of opening and collecting the packaging bag, making the working area environment difficult to control. The dust in the working environment of the personnel exceeds the standard seriously, which greatly reduces the safe production environment conditions in the feeding area of ​​the slurry mixing process, and also greatly reduces the utilization rate of powder raw materials and energy utilization rate of the slurry mixing process. Summary of the Invention

[0004] In view of the above problems existing in the existing lithium-ion battery raw material feeding, the present invention aims to provide an automatic powder unpacking device that improves work safety and energy utilization.

[0005] The specific technical solutions are as follows:

[0006] A powder automatic packaging equipment, comprising:

[0007] A frame, wherein a powder feeding bin is formed on the frame;

[0008] A material taking mechanism, which is provided on the top of the frame and is used to lift the powder raw material bag and move the powder raw material bag longitudinally or transversely;

[0009] a cutter mechanism, the cutter mechanism being disposed in the powder feeding bin and being used to cut through the packaging bag of the powder raw material package so that the battery powder in the powder raw material package falls into the powder feeding bin;

[0010] Two automatic lifting doors, the powder feeding bin has two openings, the two openings are distributed laterally on both sides of the powder feeding bin, and the two automatic lifting doors are respectively arranged at the two openings for closing or opening the openings.

[0011] As a further improvement and optimization of this solution, the tool mechanism includes a cutting knife, which is installed in the powder feeding bin through a bracket. When the material taking mechanism carries the powder raw material bag down to the cutting knife, the cutting knife can cut the packaging bag of the powder raw material bag.

[0012] As a further improvement and optimization of this solution, the cutting knife is a tubular structure with upper and lower ends opened, and the top of the cutting knife is set as an inclined surface.

[0013] As a further improvement and optimization of this solution, the bottom of the powder feeding bin is provided with a feeding channel, and a demagnetizing filter mechanism is provided in the feeding channel for removing packaging debris impurities and magnetic substances in the battery powder.

[0014] As a further improvement and optimization of this solution, the demagnetizing filtering mechanism includes: a filter screen arranged at the connection between the discharge channel and the powder feeding bin and a plurality of demagnetizing rods arranged in the discharge channel, and the plurality of demagnetizing rods are arranged below the filter screen.

[0015] As a further improvement and optimization of this solution, a powder conveying pipe is provided at the bottom of the discharge channel, the top side wall of the powder conveying pipe is connected to the bottom of the discharge channel, and one end of the powder conveying pipe is connected to an air supply structure, and air with a certain pressure is conveyed into the powder conveying pipe through the air supply mechanism to output the battery powder after demagnetization and filtration from the other end of the powder conveying pipe.

[0016] As a further improvement and optimization of this solution, the material-retrieving mechanism includes: a track provided on the frame and an electric hoist matched with and installed on the track.

[0017] As a further improvement and optimization of this solution, the automatic lifting door is an electric rolling door.

[0018] As a further improvement and optimization of this solution, a collecting bin is further installed on the frame. The collecting bin is arranged on one of the openings for feeding the powder and is used to collect the packaging bags.

[0019] As a further improvement and optimization of this solution, the bottom of the collecting bin is connected to a rotary extruder for spirally extruding the packaging bag into a cake shape and discharging it.

[0020] Compared with the prior art, the above technical solution has the following positive effects:

[0021] (1) In the present invention, the powder raw material bag is lifted by the material taking mechanism and moved horizontally from an opening into the powder feeding bin, and the packaging bag of the powder raw material bag is cut by the tool mechanism to allow the battery powder to fall into the powder feeding bin. During this process, the two automatic lifting doors close and seal the two openings respectively to prevent the battery powder from overflowing into the external environment and causing excessive dust, which greatly improves the safe production environment in the feeding area and also greatly improves the utilization rate of powder raw materials and the energy utilization rate of the slurry mixing process.

[0022] (2) In order to facilitate the cutting knife to cut through the packaging bag of the powder raw material bag, the top of the cutting knife is set with an inclined surface. On the one hand, the top of the cutting knife is sharp-angled, which is convenient for piercing the packaging bag. On the other hand, the top opening area of ​​the cutting knife is increased, thereby increasing the flow rate of battery powder falling from the cutting knife.

[0023] (3) In order to improve the quality of battery powder in the present invention, a feeding channel is provided at the bottom of the powder feeding bin, and a demagnetizing filter mechanism is provided in the feeding channel to remove packaging debris impurities and magnetic substances in the battery powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the structure of an automatic powder packaging device of the utility model;

[0025] Figure 2 This is a schematic structural diagram of a cutting knife for automatic powder packaging equipment of the present invention;

[0026] In the attached figure: 1. Frame; 2. Powder raw material bag; 3. Material taking mechanism; 4. Powder feeding bin; 5. Collection bin; 6. Automatic lifting door; 7. Tool mechanism; 8. Demagnetization and filtering mechanism; 9. Powder conveying pipeline; 10. Screw extruder; 71. Cutting knife; 72. Bracket; 81. Filter screen; 82. Demagnetization rod; 91. Valve; 711. Inclined surface. DETAILED DESCRIPTION

[0027] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0028] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer" and the like are used to indicate positions or locations based on those shown in the accompanying drawings. These terms are intended solely to facilitate the description of this utility model and to simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used solely for descriptive purposes and should not be construed as indicating or implying relative importance.

[0029] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0030] Figure 1 This is a schematic diagram of the structure of an automatic powder packaging equipment of the utility model. Figure 2 This is a schematic diagram of the structure of a cutting knife for automatic powder packaging equipment of the utility model. Figure 1-2 As shown, a preferred embodiment of an automatic powder unpacking device is shown, including a frame 1, a material taking mechanism 3, a tool mechanism 7 and two automatic lifting doors 6. A powder feeding bin 4 is formed on the frame 1, and the material taking mechanism 3 is arranged at the top of the frame 1, for hoisting the powder raw material bag 2 and moving the powder raw material bag 2 longitudinally or transversely. The tool mechanism 7 is arranged in the powder feeding bin 4, for cutting the packaging bag of the powder raw material bag 2 so that the battery powder in the powder raw material bag 2 falls into the powder feeding bin 4. The powder feeding bin 4 has two openings, and the two openings are distributed on both sides of the powder feeding bin 4 in the transverse direction. Two automatic lifting doors 6 are respectively arranged at the two openings for closing or opening the opening.

[0031] In this embodiment, the powder raw material bag 2 is lifted by the material taking mechanism 3 and moved horizontally from an opening to the powder feeding bin 4, and the packaging bag of the powder raw material bag 2 is cut by the tool mechanism 7 to allow the battery powder to fall into the powder feeding bin 4. During this process, the two automatic lifting doors 6 close and seal the two openings respectively to prevent the battery powder from overflowing into the external environment and causing excessive dust, which greatly improves the safe production environment in the feeding area and also greatly improves the utilization rate of powder raw materials and the energy utilization rate of the slurry mixing process.

[0032] Furthermore, as a preferred embodiment, the tool mechanism 7 includes a cutting knife 71, which is installed in the powder feeding bin 4 through a bracket 72. When the material taking mechanism 3 carries the powder raw material package 2 down to the cutting knife 71, the cutting knife 71 can cut the packaging bag of the powder raw material package 2.

[0033] Furthermore, as a preferred embodiment, the cutting knife 71 is a tubular structure with openings at both ends, and the top of the cutting knife 71 is set as an inclined surface 711. When the powder raw material package 2 moves downward in the powder feeding bin 4, in order to facilitate the cutting knife 71 to cut the packaging bag of the powder raw material package 2, the top of the cutting knife 71 is set with an inclined surface 711. On the one hand, the top of the cutting knife 71 is sharp-angled, which is convenient for puncturing the packaging bag. On the other hand, the top opening area of ​​the cutting knife 71 is increased, thereby increasing the falling flow rate of the battery powder from the cutting knife 71.

[0034] Furthermore, as a preferred embodiment, in order to improve the quality of battery powder, the bottom of the powder feeding bin 4 is provided with a feeding channel, and a demagnetizing filter mechanism 8 is provided in the feeding channel for removing packaging debris impurities and magnetic substances in the battery powder.

[0035] Furthermore, as a preferred embodiment, the demagnetizing filtering mechanism 8 includes: a filter screen 81 arranged at the connection between the discharge channel and the powder feeding bin 4 and a plurality of demagnetizing rods 82 arranged in the discharge channel, and the plurality of demagnetizing rods 82 are arranged below the filter screen 81. The filter screen 81 is used to filter the packaging debris impurities, and the demagnetizing rods 82 are used to remove the magnetic substances in the battery powder.

[0036] Furthermore, as a preferred embodiment, the bottom of the discharge channel is provided with a powder conveying pipe 9, the top side wall of the powder conveying pipe 9 is connected to the bottom of the discharge channel, and one end of the powder conveying pipe 9 is connected to the air supply structure, and air with a certain pressure is conveyed into the powder conveying pipe 9 through the air supply mechanism to output the battery powder after demagnetization and filtration from the other end of the powder conveying pipe 9.

[0037] In one embodiment, the air supply structure may be an air pump, and a valve 91 is installed on the side of the powder conveying pipe 9 close to the air pump. When the valve 91 is opened, the air pump works and delivers air of a certain pressure into the powder conveying pipe 9 to transport the battery powder from the other end of the powder conveying pipe 9 to the slurry mixing process for stirring and homogenization.

[0038] Furthermore, as a preferred embodiment, the material taking mechanism 3 includes: a track provided on the frame 1 and an electric hoist matched with the track, and the powder raw material bag 2 is lifted and moved laterally by the electric hoist.

[0039] Furthermore, as a preferred embodiment, the automatic lifting door 6 is an electric rolling door.

[0040] Furthermore, as a preferred embodiment, a collecting bin 5 is also installed on the frame 1. The collecting bin 5 is arranged on an opening side of the powder feeding and is used to collect packaging bags. When all the battery powder in the powder raw material bag 2 falls into the powder feeding bin 4, the two automatic lifting doors 6 are fully opened, and the electric hoist lifts the packaging bag again and moves it horizontally from an opening to the collecting bin 5. The packaging bag can be removed manually and placed in the collecting bin 5.

[0041] Furthermore, as a preferred embodiment, the bottom of the collecting bin 5 is connected to a rotary extruder 10 for spirally extruding the packaging bags into a cake shape and discharging them. The packaging bags in the collecting bin 5 fall into the rotary extruder 10 under the action of their own weight, and are spirally extruded into a cake shape and discharged.

[0042] Specifically, the electric hoist, electric rolling door and rotary extruder 10 in this embodiment are all existing mature equipment. Their specific structures and principles are not described in detail herein. Those skilled in the art can make appropriate selections according to their needs, as long as they meet the requirements.

[0043] The above description is only a preferred embodiment of the present invention and does not limit the implementation method and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A powder automatic packaging equipment, characterized in that, include: A frame, wherein a powder feeding bin is formed on the frame; A material taking mechanism, which is provided on the top of the frame and is used to lift the powder raw material bag and move the powder raw material bag longitudinally or transversely; a cutter mechanism, the cutter mechanism being disposed in the powder feeding bin and being used to cut through the packaging bag of the powder raw material package so that the battery powder in the powder raw material package falls into the powder feeding bin; Two automatic lifting doors, the powder feeding bin has two openings, the two openings are distributed laterally on both sides of the powder feeding bin, and the two automatic lifting doors are respectively arranged at the two openings for closing or opening the openings.

2. The automatic powder unpacking equipment according to claim 1, characterized in that: The tool mechanism includes a cutting knife, which is installed in the powder feeding bin through a bracket. When the material taking mechanism carries the powder raw material bag and descends to the cutting knife, the cutting knife can cut the packaging bag of the powder raw material bag.

3. The automatic powder unpacking equipment according to claim 2, characterized in that: The cutting knife is a tubular structure with upper and lower ends opened, and the top of the cutting knife is arranged as an inclined surface.

4. The automatic powder unpacking device according to any one of claims 1 to 3, characterized in that: The bottom of the powder feeding bin is provided with a feeding channel, and a demagnetizing filter mechanism is provided in the feeding channel for removing packaging debris impurities and magnetic substances in the battery powder.

5. The automatic powder unpacking equipment according to claim 4, characterized in that: The demagnetizing and filtering mechanism includes: a filter screen provided at the connection between the feeding channel and the powder feeding bin and a plurality of demagnetizing rods provided in the feeding channel, wherein the plurality of demagnetizing rods are provided below the filter screen.

6. The automatic powder unpacking equipment according to claim 5, characterized in that: The bottom of the discharge channel is provided with a powder conveying pipe, the top side wall of the powder conveying pipe is connected to the bottom of the discharge channel, and one end of the powder conveying pipe is connected to an air supply structure, through which air with a certain pressure is conveyed into the powder conveying pipe to output the battery powder after demagnetization and filtration from the other end of the powder conveying pipe.

7. The automatic powder unpacking equipment according to claim 1, characterized in that: The material taking mechanism comprises: A track is arranged on the frame and an electric hoist is matched and installed on the track.

8. The automatic powder unpacking equipment according to claim 1, characterized in that: The automatic lifting door is an electric rolling door.

9. The automatic powder unpacking equipment according to claim 1, characterized in that: A collecting bin is also mounted on the frame and is located on one of the openings for feeding the powder and is used to collect the packaging bags.

10. The automatic powder packaging equipment according to claim 9, characterized in that: The bottom of the collecting bin is connected to a rotary extruder for spirally extruding the packaging bag into a cake shape and discharging the cake.

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