Filling machine

Abstract

The utility model relates to the technical field of lithium-ion batteries, and particularly discloses a filling machine which comprises a stock bin suitable for filling materials and providing a storage space for subsequent material filling, and a degassing assembly suitable for generating negative pressure in the stock bin and filtering and refilling loose materials, and the degassing assembly comprises a filtering part and a degassing part, the filtering part is used for blocking dust materials and enabling air to smoothly pass through, the degassing part is used for generating negative pressure suction force in the stock bin, the degassing assembly can guarantee that loose materials generated in the filling process of the filling machine are repeatedly filtered and refilled, and the working efficiency of the filling machine is improved; the degassing channel is suitable for conveying negative pressure suction force generated by the degassing part to the filtering part, and the discharging assembly is suitable for conveying materials from the interior of the stock bin to the saggar.

Description

Technical Field

[0001] This utility model relates to the field of lithium-ion battery technology, specifically to a filling machine. Background Technology

[0002] In recent years, lithium-ion batteries have been widely used in consumer electronics, electric vehicles, energy storage systems, and other fields, with continuously growing market demand. This has driven the continuous improvement of lithium-ion battery manufacturing technology, placing higher demands on production efficiency, product quality, and cost control. Uniform filling of the internal materials of lithium-ion batteries is crucial for ion transport, cycle life, and safety. Uneven filling can lead to decreased battery capacity, increased internal resistance, and increased susceptibility to leakage, short circuits, and even thermal runaway. Therefore, high-precision, high-efficiency filling equipment has become an industry trend.

[0003] In related technologies, after the materials are mixed, they need to be loaded into saggers using a filling machine. During the process of the materials falling into the saggers, dust is usually generated because the materials are too light; at the same time, because the materials are too loose, the volume of the saggers cannot be fully utilized, resulting in reduced work efficiency and affecting work accuracy. Utility Model Content

[0004] In view of this, the present invention provides a filling machine to solve the problems of dust generation due to the lightness of the material and the inability to fully utilize the volume of the sagger due to the looseness of the material.

[0005] This utility model provides a loading machine, comprising:

[0006] silos;

[0007] The degassing assembly is partially located inside the hopper and includes a filtration section and a degassing section. The filtration section is used to block dust and allow air to pass through smoothly. The degassing section is used to generate negative pressure suction. The filtration section is located at the bottom of the hopper. The filtration section includes a degassing channel that connects the degassing section and the filtration section.

[0008] The feeding assembly, partially located inside the hopper, is suitable for conveying materials.

[0009] Beneficial effects: the utility model provides a kind of filling machine, to solve due to material too light produces dust raising and material between too loose leads to kiln volume cannot be fully utilized, including bunker, bunker is suitable for filling material, provides storage space for subsequent material filling, degassing assembly is suitable for the negative pressure generated in bunker and the filtering and reloading of loose material, degassing assembly includes filter part and degassing part, filter part is used to block dust material, and air passes smoothly, degassing part is used to generate negative pressure suction in bunker, degassing assembly can ensure that loose material generated during filling process is repeatedly filtered and reloaded, improve the working efficiency of filling machine, degassing passage is suitable for transmitting the negative pressure suction generated by degassing part to filter part, and the material is transferred from the bunker to the kiln by the discharging assembly.

[0010] In an alternative embodiment, the bunker includes: a first mounting portion and a second mounting portion; the first mounting portion is arranged at the bottom of the bunker, and the inside thereof contains a partial filter part; the second mounting portion is arranged at the top of the bunker; and the discharging assembly penetrates through the first mounting portion and the second mounting portion simultaneously.

[0011] Beneficial effects: the bunker is vertically placed, and the gravity is used to make the material fall naturally; the second mounting portion is arranged at the top of the bunker, and is suitable for fixing part of the discharging assembly; the first mounting portion is arranged at the bottom of the bunker, and the material is transferred from the bottom of the bunker to the kiln by the discharging assembly; the first mounting portion of the bunker contains a partial filter part, and is suitable for filtering the loose material transferred from the bunker to the kiln; and the discharging assembly penetrates through the first mounting portion and the second mounting portion simultaneously, so that the first mounting portion and the second mounting portion play a fixing role on the discharging assembly, and the penetration facilitates the installation and disassembly.

[0012] In an alternative embodiment, the discharging assembly includes a motor and a discharging part, and the discharging part is suitable for conveying the material; the motor penetrates through the second mounting portion, the discharging part penetrates through the first mounting portion, and the motor is connected with the discharging part.

[0013] Beneficial effects: the discharging assembly is suitable for transferring the material to the kiln, and includes a motor and a discharging part; the motor is installed in the second mounting portion, and provides power for the discharging part; and the discharging part penetrates through the first mounting portion, and is suitable for conveying the material.

[0014] In an alternative embodiment, the filter part further includes: a filter core arranged in the first mounting portion, and the filter core is arranged around the outer circumferential side of at least part of the discharging part; and the filter core is suitable for filtering the material to prevent the material from entering the degassing passage.

[0015] Beneficial effects: the filter core is suitable for filtering the loose material to prevent the material from entering the degassing passage; in order to improve the filtering effect, the filter core is arranged around the outer circumferential side of at least part of the discharging part, so as to increase the filtering area and improve the working efficiency.

[0016] In an alternative embodiment, the degassing part comprises a backflush filter and a negative pressure fan; the backflush filter is connected to the other end of the degassing channel, and the negative pressure fan is connected to the backflush filter.

[0017] Beneficial effects: the negative pressure fan is suitable for generating negative pressure to make the loose material adsorbed on the surface of the filter element through the degassing channel, and the backflush filter can make the small amount of loose material entering the degassing channel to be filtered again and transmitted into the saggar, avoiding the blockage of the degassing channel or the reduction of the filtering efficiency of the filter element caused by long-time use, improving the working efficiency and reducing the possibility of machine failure.

[0018] In an alternative embodiment, the filtering part further comprises a valve arranged at the end of the first mounting part away from the hopper.

[0019] Beneficial effects: the filtering part is arranged at the first mounting part, and the valve is arranged at the end of the first mounting part away from the hopper, which is suitable for controlling the start and stop of the material transmission, and is beneficial to the operator to control the progress of the material transmission in time.

[0020] In an alternative embodiment, a guide plate is further arranged on the side wall of the hopper, and the guide plate is arranged obliquely.

[0021] Beneficial effects: the guide plate is arranged obliquely in the hopper, and the material slides down the guide plate by gravity and is transmitted into the saggar through the discharging part, which is beneficial to improve the transmission efficiency and make the material in the hopper dispersed uniformly and reduce the possibility of blockage in the hopper.

[0022] In an alternative embodiment, a weighing module is further arranged on the side wall of the hopper, which is suitable for measuring the weight of the material in the hopper.

[0023] Beneficial effects: the weighing module arranged on the side wall of the hopper can measure the weight of the material in the hopper at any time, which is convenient for the operator to add material and prevents the material from being too much to cause accumulation, extrusion or blockage and even damage the machine.

[0024] In an alternative embodiment, the number of degassing assemblies is multiple, and the degassing assemblies are arranged around the hopper.

[0025] Beneficial effects: the increase in the number of degassing assemblies improves the filtering efficiency of the loose material in the hopper to a certain extent, further reduces the possibility of insufficient filling of the saggar, and avoids the occurrence of blockage.

[0026] In an alternative embodiment, the hopper is further provided with a feeding port.

[0027] Beneficial effects: the feeding port is suitable for making the material enter the hopper from the outside for processing and filling, and is an essential part of the hopper, which is convenient for the operator to add material. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0029] Figure 1 It is a schematic view of the filling machine and the sagger of the present application.

[0030] Figure 2 It is a schematic view of the filling machine of the present application.

[0031] Figure 3 It is Figure 2 It is a schematic view of the filling machine and the sagger of the present application.

[0032] Explanation of reference signs:

[0033] 1, stock bin; 11, first mounting portion; 12, second mounting portion; 2, degassing assembly; 21, filter portion; 211, valve; 212, filter element; 213, degassing passage; 22, degassing portion; 221, backflush filter; 222, negative pressure fan; 3, discharging assembly; 31, motor; 32, discharging portion; 4, sagger. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0035] In the description of the present application, it should be noted that the orientations or position relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are based on the orientations or position relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0036] In the description of the utility model, it needs to explain, unless another explicit provision and limitation, the term "installation", "connection", "connection" should do the broad sense understanding, for example, can be fixed connection, can be detachable connection, or integrally connected;Can be mechanical connection, can be electrical connection;Can be directly connected, can be indirectly connected through the intermediate medium, can be the communication inside two elements.For the ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0037] In addition, the technical features involved in the different embodiments of the utility model described below can be combined with each other as long as there is no conflict between them.

[0038] With the continuous development of science and technology and the gradual improvement of enterprise technology, lithium battery materials have outstanding advantages in safety, energy density, cycle life and other aspects, and have been gradually applied to various fields such as automobiles, energy storage, ships and other fields in recent years, and are one of the materials with the most development potential at present, and have broad development prospects in the future.

[0039] The lithium electronic battery is composed of a positive electrode, a negative electrode, an electrolyte and a separator, the internal filling material (such as electrolyte) is crucial to the performance of the battery, and the filling amount needs to be accurately controlled, and the filling of the filling material directly affects the performance and safety of the battery, and too much or too little will cause problems, such as overheating or capacity drop, in the production process of the lithium electronic battery, the materials after blending need to be filled into the saggar through the filling machine. However, the material is light in weight, and dust is easily generated when falling, and the material is loose, which leads to low utilization rate of the saggar volume, and further affects the working efficiency and precision.

[0040] The utility model provides a kind of filling machine, to solve the problem that due to material too light produces dust and material too loose between leads to saggar volume cannot be fully utilized.

[0041] The embodiments of the utility model are described below in conjunction with Figures 1 to 3

[0042] According to the embodiments of the utility model, a kind of filling machine is provided, comprising:

[0043] material bin 1;

[0044] degassing assembly 2, part is set in material bin 1, including filter part 21 and degassing part 22;Filter part 21 is used to block dust material, and make air pass smoothly;Degassing part 22 is used to generate negative pressure suction force;Filter part 21 is set in the bottom of material bin 1;Filter part 21 includes degassing passage 213, and degassing passage 213 is communicated with degassing part 22 and filter part 21;

[0045] downloading component 3, part is set in material bin 1, suitable for conveying material.

[0046] ​The utility model provides a kind of filling machine, to solve because material is too light and produce dust and material between too loose lead to kiln 4 volume cannot be fully utilized, including bunker 1, bunker 1 is suitable for filling material, provides storage space for subsequent material filling, degassing component 2 is suitable for to the negative pressure generated in bunker 1 and to the filtration of loose material and refill, degassing component 2 includes filter part 21 and degassing part 22, filter part 21 is used to block dust material, and air is made to pass smoothly, degassing part 22 is used to generate negative pressure suction in bunker 1, degassing component 2 can ensure that loose material generated during filling process of filling machine is repeatedly filtered and refilled, improve the work efficiency of filling machine, degassing passage 213 is suitable for the negative pressure suction generated by degassing part 22 is sent to filter part 21, discharging component 3 is suitable for material is sent to kiln from bunker 1.

[0047] As a kind of implementation form, bunker 1 is funnel-shaped structure, it is favorable for material to drop by gravity smoothly, the volume of funnel tip is relatively small compared to other structure volume, it is favorable for material to pass smoothly;

[0048] Further, the material falling channel of the side wall of the bunker 1 is provided with a guide plate, the guide plate provides a guide effect for the material falling, the guide plate is inclinedly arranged, the material falls from the guide plate to the discharging part by gravity, and is transmitted to the kiln 4 through the discharging part, which is favorable for improving the transmission efficiency and making the material in the bunker 1 dispersed and uniform, thereby reducing the possibility of material jam in the bunker 1.

[0049] As a kind of implementation form, the side wall of the bunker 1 is further provided with a weighing module, which is suitable for measuring the weight of the material in the bunker 1, the weighing module installed on the side wall of the bunker 1 can measure the weight of the material in the bunker 1 at any time, so as to facilitate the operator to add material, and also prevent the material from being too much to cause accumulation, extrusion or blockage, and even damage the machine.

[0050] As a kind of implementation form, the degassing component 2 can be set to multiple, and is arranged around the bunker 1, the increase of the number of degassing components 2 improves the filtration efficiency of the loose material in the bunker 1 to a certain extent, further reduces the possibility of insufficient filling of the kiln 4, and avoids the occurrence of blockage.

[0051] In some embodiments, in combination Figure 1 As shown, the bunker 1 includes: a first mounting portion 11 and a second mounting portion 12; the first mounting portion 11 is arranged at the bottom of the bunker 1, and the inside contains part of the filter part 21, the second mounting portion 12 is arranged at the top of the bunker 1, and the discharging component 3 is simultaneously provided through the first mounting portion 11 and the second mounting portion 12.

[0052] The silo 1 is vertically placed and utilizes gravity to make the material naturally fall. The top of the silo 1 is provided with a second mounting portion 12, which is suitable for fixing the partial discharging assembly 3. The bottom of the silo 1 is provided with a first mounting portion 11. The material is conveyed from the bottom of the silo 1 to the saggar through the discharging assembly 3. The first mounting portion 11 comprises a partial filtering portion 21, which is suitable for filtering the loose material conveyed from the silo 1 to the saggar. The discharging assembly 3 penetrates the first mounting portion 11 and the second mounting portion 12. The first mounting portion 11 and the second mounting portion 12 fix the discharging assembly 3 and facilitate the installation and disassembly.

[0053] In some embodiments, in combination with Figure 1 As shown in the figure, the discharging assembly 3 comprises a motor 31 and a discharging portion 32. The discharging portion 32 is suitable for conveying the material. The motor 31 penetrates the second mounting portion 12. The discharging portion 32 penetrates the first mounting portion 11. The motor 31 is connected to the discharging portion 32.

[0054] The discharging assembly 3 is suitable for conveying the material to the saggar 4. The discharging assembly 3 comprises a motor 31 and a discharging portion 32. The motor 31 is installed on the second mounting portion 12 and provides power for the discharging portion 32. The discharging portion 32 penetrates the first mounting portion 11 and is suitable for conveying the material.

[0055] As an implementation form, the discharging portion 32 is specifically implemented as a spiral conveying structure. The spiral blade rotates to stir the material and reduce the interaction force between the materials. At the same time, the spiral blade propels the material.

[0056] In some embodiments, in combination with Figure 3 As shown in the figure, the filtering portion 21 further comprises a filter core 212, which is arranged in the first mounting portion 11. The filter core 212 is arranged around the outer circumferential side of at least part of the discharging portion 32. The filter core 212 is suitable for filtering the material to prevent the material from entering the degassing channel 213.

[0057] The filter core 212 is suitable for filtering the loose material to prevent the material from entering the degassing channel 213. In order to improve the filtering effect, the filter core 212 is arranged around the outer circumferential side of at least part of the discharging portion 32, thereby increasing the filtering area and improving the working efficiency.

[0058] As an implementation form, the filter core 212 is located at the interface between the degassing channel 213 and the inside of the first mounting portion 11 and is arranged around the outer circumferential side of at least part of the discharging portion 32. Optionally, the filter core 212 can be filter cotton or a high-precision filter screen.

[0059] In some embodiments, in combination with Figure 1 As shown in the figure, the degassing portion 22 comprises a backflush filter 221 and a negative pressure fan 222. The backflush filter 221 is connected to the other end of the degassing channel 213. The negative pressure fan 222 is connected to the backflush filter 221.

[0060] The negative pressure fan 222 is adapted to generate negative pressure, and the loose material is adsorbed on the surface of the filter core 212 through the degassing channel 213. The back flushing filter 221 can make a small amount of loose material entering the degassing channel 213 to be filtered again and then transmitted into the sagger 4, so as to avoid the blockage of the degassing channel 213 or the reduction of the filtering efficiency of the filter core 212 caused by long-time use, improve the working efficiency, and reduce the possibility of machine failure.

[0061] As an implementation form, the degassing part 22 is arranged at the top of the hopper 1, which is beneficial to realize the re-filtering and reloading of the material.

[0062] In some embodiments, in combination with Figure 3 As shown, the filtering part 21 further comprises a valve 211 arranged at the end of the first mounting part away from the hopper 1.

[0063] The filtering part 21 is arranged at the first mounting part 11, and the end of the first mounting part 11 away from the hopper 1 is provided with the valve 211, which is adapted to control the start and stop of the material transmission, and is beneficial to the operator to control the progress of the material transmission in time.

[0064] In some embodiments, in combination with Figure 1 As shown, the side wall of the hopper 1 is further provided with a weighing module adapted to measure the weight of the material in the hopper 1.

[0065] The weighing module arranged on the side wall of the hopper 1 can measure the weight of the material in the hopper 1 at any time, so as to facilitate the operator to add material, and also prevent the material from being too much to cause accumulation, extrusion or blockage, and even damage the machine.

[0066] Further, the hopper 1 is further provided with a feeding port adapted to make the material enter the hopper 1 from the outside for processing and loading, which is an essential part of the hopper 1, and facilitates the operator to add material, and also can be adjusted at any time according to the weighing module.

[0067] Obviously, the above embodiments are only examples for clearly illustrating, and are not a limitation on the embodiments. Although the embodiments of the present application are described in combination with the drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present application, and such modifications and variations all fall within the scope of the present application.

Claims

1. A filling machine, characterized in that, The application relates to a dust material deaeration device. The dust material deaeration device comprises a dust material bin (1) and a deaeration assembly (2) partially arranged in the dust material bin (1). The dust material deaeration device further comprises a first mounting part (11) and a second mounting part (12). The first mounting part (11) is arranged at the bottom of the dust material bin (1) and contains part of the filter part (21) inside.

2. The filling machine of claim 1, wherein The second mounting part (12) is arranged at the top of the dust material bin (1). The deaeration assembly (2) comprises a filter part (21) and a deaeration part (22).

3. The filling machine of claim 2, wherein, The filter part (21) is used for blocking dust material and allowing air to pass through smoothly. The deaeration part (22) is used for generating negative pressure suction.

4. The filling machine of claim 3, wherein The filter part (21) is arranged at the bottom of the dust material bin (1). The deaeration assembly (2) comprises a deaeration channel (213) which is connected with the deaeration part (22) and the filter part (21).

5. The filling machine of claim 1, wherein, The dust material deaeration device further comprises a discharging assembly (3) partially arranged in the dust material bin (1) and suitable for conveying material. The discharging assembly (3) comprises a motor (31) and a discharging part (32) suitable for conveying material.

6. The filling machine of claim 2, wherein, The motor (31) is arranged in the second mounting part (12) and the discharging part (32) is arranged in the first mounting part (11).

7. The filling machine of claim 1, wherein, The motor (31) is connected with the discharging part (32).

8. The filling machine of claim 1, wherein, The filter part (21) comprises a filter core (212) arranged in the first mounting part (11).

9. The filling machine of claim 1, wherein, The filter core (212) is arranged around the outer periphery of at least part of the discharging part (32) and is suitable for filtering material to prevent the material from entering the deaeration channel (213).

10. The filling machine of claim 9, wherein, The deaeration part (22) comprises a back-blowing filter (221) and a negative pressure fan (222). The back-blowing filter (221) is connected with the other end of the deaeration channel (213) and the negative pressure fan (222) is connected with the back-blowing filter (221). The filter part (21) further comprises a valve (211) arranged at the end of the first mounting part (11) away from the dust material bin (1). The dust material bin (1) is further provided with a guide plate arranged on the side wall of the dust material bin (1). The dust material bin (1) is further provided with a weighing module suitable for measuring the weight of the material in the dust material bin (1). The deaeration assembly (2) is arranged in a plurality of numbers around the dust material bin (1). The dust material bin (1) is further provided with a feeding port.

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