Feeding device

Abstract

The utility model provides a feeding device, which belongs to the technical field of blanking equipment and comprises a storage bin, a stirring component and a driving component, and the storage bin is provided with a feed port and a discharge port; the stirring assembly comprises stirring blades, and the stirring blades are arranged in the storage bin and close to the discharge port; the driving assembly is connected with the stirring blades, and the driving assembly drives the stirring blades to rotate so as to scatter the powder near the discharge port. According to the feeding device provided by the utility model, through the arrangement of the stirring blades, under the driving of the driving assembly, powder agglomerated near the discharging opening can be scattered, the situation that discharging is not uniform due to powder agglomeration is prevented, through stirring, the situation that the powder is supported in the storage bin and cannot be discharged is prevented, and normal feeding of the powder is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of feeding equipment, in particular to a feeding device. Background Art

[0002] In the field of lithium-ion battery manufacturing, dry electrode process is an emerging lithium-ion battery manufacturing method that has received increasing attention. Compared with the traditional wet process, the dry process has unique advantages.

[0003] In the dry process, the fiberized material needs to be evenly spread on the pressing roller. Generally, a storage bin is provided. The powder is added into the storage bin and then sprinkled on the pressing roller from the storage bin. Since the speed of adding material to the storage bin is greater than the supply speed of the powder, the powders in the storage bin interact with each other, resulting in blockage of the discharge port. In addition, the fiberized material is more likely to have an "arch bridge phenomenon" than ordinary powder, which affects the normal supply of powder. Utility Model Content

[0004] Therefore, the utility model aims to solve the defect in the prior art that when discharging materials from a storage bin, powders interact with each other and easily block the discharge port, thus affecting the normal supply of powders, thereby providing a feeding device.

[0005] In order to solve the above technical problems, the utility model provides a feeding device, comprising:

[0006] A storage bin having a feed inlet and a discharge outlet;

[0007] A stirring assembly, comprising a stirring blade, wherein the stirring blade is arranged inside the storage bin and close to the discharge port;

[0008] A driving component is connected to the stirring blade, and the driving component drives the stirring blade to rotate to break up the powder near the discharge port.

[0009] Optionally, the stirring assembly comprises:

[0010] The stirring shaft is arranged inside the storage bin, and the driving assembly is connected to the stirring shaft in a transmission manner; the stirring blades are provided in plurality, and the plurality of stirring blades are staggeredly arranged along the stirring shaft.

[0011] Optionally, the stirring blade has a stirring rod arranged parallel to the discharge port.

[0012] Optionally, it also includes:

[0013] A quantitative component is arranged below the discharge port, and the quantitative component has a quantitative groove, and the quantitative groove is adapted to the size of the discharge port;

[0014] The quantitative component is connected to the driving component, and the driving component drives the quantitative trough to receive the powder from the discharge port, and then moves to a designated position to deliver the powder.

[0015] Optionally, the quantitative component comprises:

[0016] A metering roller is rotatably arranged below the discharge port, a plurality of metering grooves are evenly distributed in the circumference of the metering roller, and the driving assembly is transmission-connected to the metering roller.

[0017] Optionally, one side of the discharge port is provided with an arc-shaped sealing plate adapted to the metering roller structure, and the metering groove delivers the powder after passing through the discharge port and the arc-shaped sealing plate in sequence.

[0018] Optionally, it also includes:

[0019] The material removal component is arranged at the position after the material is dropped in the rotation direction of the metering roller and behind the discharge port. The material removal component has a material removal piece, which is always in contact with the outer surface of the metering roller to remove the material from the metering roller after the feeding is completed.

[0020] Optionally, the removal component comprises:

[0021] A mounting plate, fixedly arranged relative to the storage bin;

[0022] A movable shaft is slidably arranged on the mounting plate, and the material removal member is connected to the movable shaft;

[0023] An elastic member is arranged on the movable shaft, and the elastic member has an elastic force that enables the material removing member to always abut against the metering roller.

[0024] Optionally, the movable shaft and the mounting plate are connected via a linear bearing.

[0025] Optionally, the material removal component includes a material removal plate, a material removal brush and a material removal sheet.

[0026] The technical solution of the utility model has the following advantages:

[0027] 1. The feeding device provided by the utility model comprises a storage bin, a stirring assembly and a driving assembly. The storage bin has a feeding port and a discharging port. The stirring assembly comprises a stirring blade, which is arranged near the discharging port. The driving assembly drives the stirring blade to rotate to break up the powder near the discharging port.

[0028] By setting the stirring blades, under the drive of the driving component, the powder agglomerated near the discharge port can be broken up to prevent the powder agglomeration from causing uneven discharge. Through stirring, the powder is prevented from being supported in the storage bin and causing no discharge, thereby ensuring the normal supply of powder.

[0029] 2. The feeding device provided by the utility model comprises a stirring assembly including a stirring shaft, and a plurality of stirring blades are staggered along the stirring shaft. The staggered stirring blades increase the stirring time in the powder, thereby improving the stirring effect.

[0030] 3. The feeding device provided by the utility model has a stirring blade with a stirring rod arranged parallel to the discharge port, which ensures the maximum stirring range of the powder during stirring and avoids the existence of a stirring blind area.

[0031] 4. The feeding device provided by the utility model also includes a quantitative component, which is arranged below the discharge port. The quantitative component has a quantitative groove, and the quantitative groove is adapted to the size of the discharge port so that the powder coming out of the discharge port can completely enter the quantitative groove. Under the action of the driving component, the quantitative groove moves the quantitative powder to the designated position for delivery, thereby realizing the quantitative supply of the powder.

[0032] 5. The feeding device provided by the utility model comprises a quantitative component, which includes a quantitative roller, which is rotatably arranged below the discharge port, and a plurality of quantitative grooves are evenly distributed around the circumference of the quantitative roller. The driving component is transmission-connected to the quantitative roller, and the quantitative grooves are rotated to realize non-stop automatic movement of receiving and discharging materials. The transmission method of rotation saves more space, and the discharge amount of the quantitative roller can also be controlled by controlling the rotation speed of the driving component, thereby realizing accurate discharge.

[0033] 6. The feeding device provided by the utility model has an arc-shaped sealing plate on one side of the discharge port, which is adapted to the metering roller structure. When the metering groove receives the powder and rotates, it passes through the arc-shaped sealing plate. Under the action of the arc-shaped sealing plate, the metering groove is closed to prevent the powder from falling prematurely and causing uneven discharge. After passing through the arc-shaped sealing plate, the metering groove is opened again, and the powder falls into the designated position, ensuring that the powder falls evenly below.

[0034] 7. The feeding device provided by the utility model also includes a material removal component, which has a material removal piece. The material removal piece removes the metering roller and its metering groove at the end of feeding, effectively removing residual powder stuck on the metering roller, avoiding more and more powder in the metering groove, and ensuring that the subsequent feeding amount is basically consistent each time.

[0035] 8. The feeding device provided by the utility model comprises a material removing component including a mounting plate, a movable shaft and an elastic member. The movable shaft is slidably arranged on the mounting plate, and the material removing component is connected to the movable shaft. The setting of the elastic member ensures that the material removing component is always in contact with the metering roller, ensuring that the material removing component cleans every part of the metering roller and effectively removes the residual powder. The setting of the elastic member enables the position of the material removing component to be automatically adjusted with the rotation of the metering groove, without the need to set up a complicated electric drive, and the structure is simple.

[0036] 9. In the feeding device provided by the utility model, the moving shaft and the mounting plate are connected by a linear bearing. The arrangement of the linear bearing reduces the friction and wear of the moving shaft during movement, thereby achieving smooth movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0038] Figure 1 A schematic structural diagram of an implementation of a feeding device provided in an embodiment of the present utility model;

[0039] Figure 2 for Figure 1 Schematic diagram of the coordination structure of the metering roller, storage bin and material removal device;

[0040] Figure 3 for Figure 1 Schematic diagram of the structure of the middle drive assembly;

[0041] Figure 4 for Figure 1 A schematic diagram of the structure of the stirring assembly;

[0042] Figure 5 for Figure 1 Schematic diagram of the coordination structure of the medium quantitative component and the storage bin;

[0043] Figure 6 for Figure 1 Schematic diagram of the structure of the center cutout component.

[0044] Description of reference numerals:

[0045] 1. Storage bin; 2. Feed inlet; 3. Discharge outlet; 4. Stirring assembly; 5. Stirring blade; 6. Driving assembly; 7. Stirring shaft; 8. Stirring rod; 9. Dosing trough; 10. Dosing roller; 11. Arc sealing plate; 12. Material removal assembly; 13. Material removal part; 14. Mounting plate; 15. Moving shaft; 16. Elastic part; 17. Linear bearing; 18. Servo motor; 19. Reducer; 20. Upper bin body; 21. Lower bin body; 22. Support; 23. First driven wheel; 24. Driving wheel; 25. Synchronous belt; 26. Second driven wheel; 27. Baffle. DETAILED DESCRIPTION

[0046] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0047] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0048] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0049] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0050] The feeding device provided in this embodiment is used in the dry process of lithium batteries to discharge powder materials, and can also be used in other processes and equipment that require powder material discharge.

[0051] like Figures 1 to 4 As shown, a specific implementation of the feeding device provided in this embodiment includes a storage bin 1, a stirring component 4 and a driving component 6, the storage bin 1 has a feed port 2 and a discharge port 3; the stirring component 4 includes a stirring blade 5, and the stirring blade 5 is arranged inside the storage bin 1 and close to the discharge port 3; the driving component 6 is connected to the stirring blade 5, and the driving component 6 drives the stirring blade 5 to rotate to break up the powder near the discharge port 3.

[0052] By setting the stirring blade 5, under the drive of the driving component 6, the powder agglomerated near the discharge port 3 can be broken up to prevent the powder from agglomerating and causing uneven discharge. By stirring, the powder is prevented from being supported in the storage bin 1 and causing no discharge, thereby ensuring the normal supply of powder.

[0053] like Figure 3 As shown, a specific implementation of the drive assembly 6, the drive assembly 6 includes a servo motor 18 and a reducer 19, the reducer 19 is connected to the output shaft of the servo motor 18, and the output shaft of the reducer 19 is drivingly connected to a subsequent component to be rotated.

[0054] A specific implementation of the storage bin 1 is as follows Figure 1 and Figure 2 As shown, the storage bin 1 includes an upper bin body 20 and a lower bin body 21, and the upper bin body 20 and the lower bin body 21 are connected. The top of the upper bin body 20 has a feed port 2, and the lower part of the lower bin body 21 has a discharge port 3. The upper bin body 20 is an inverted cone structure to facilitate the falling of powder. The stirring blade 5 is arranged in the lower bin body 21, and the structure of the lower bin body 21 is adapted to the stirring blade 5 to facilitate all-round stirring.

[0055] Specifically, Figure 2 As shown, the upper part of the lower silo 21 is an arc-shaped structure with an opening facing upward, and the lower part is an arc-shaped structure with an opening facing downward. The two arc-shaped structures are connected by a narrow channel. The stirring component 4 stirs the interior of the upper arc-shaped structure of the lower silo 21. The setting of the channel facilitates the powder to slowly and evenly enter the lower arc-shaped structure, and then enter the subsequent quantitative component; the open end of the lower arc-shaped structure is the discharge port 3, which is a rectangular structure. The setting of the rectangular structure facilitates precise docking and cooperation with the subsequent quantitative groove 9.

[0056] Specifically, the feeding device further comprises a support 22 , and the storage bin 1 and the driving assembly 6 are both fixedly arranged on the support 22 .

[0057] like Figure 4 As shown, the feeding device provided in this embodiment, the stirring component 4 includes a stirring shaft 7, the stirring shaft 7 is arranged inside the storage bin 1, and the driving component 6 is connected to the stirring shaft 7 in transmission; the stirring blades 5 are multiple, and the multiple stirring blades 5 are staggered along the stirring shaft 7. The staggered stirring blades 5 increase the stirring time in the powder, thereby improving the stirring effect.

[0058] Specifically, Figure 4As shown, the stirring shaft 7 is arranged parallel to the discharge port 3, so as to drive the stirring blades 5 to stir the powder near the discharge port 3; there is no gap between adjacent stirring blades 5, and there is a set angle between adjacent stirring blades 5, which can be 90° or 180°, to avoid incomplete stirring when there is a gap between adjacent stirring blades 5.

[0059] A specific implementation of the transmission connection of the stirring shaft 7 is as follows: Figure 4 As shown, a first driven wheel 23 is fixedly provided at one end of the stirring shaft 7 , a driving wheel 24 is provided at the output end of the driving assembly 6 , and the first driven wheel 23 and the driving wheel 24 are connected to each other through a synchronous belt 25 .

[0060] like Figure 4 As shown, in the feeding device provided in this embodiment, the stirring blade 5 has a stirring rod 8 arranged parallel to the discharge port 3, which ensures the maximum stirring range of the powder during stirring and avoids the existence of a stirring blind area. Specifically, the stirring blade 5 is a U-shaped structure, two short rods are connected to the stirring shaft 7, and the long rod between the two short rods is the stirring rod 8, which is parallel to the discharge port 3.

[0061] like Figure 1 , Figure 2 and Figure 5 As shown, the feeding device provided in this embodiment further includes a quantitative component, which is arranged below the discharge port 3, and has a quantitative groove 9, which is adapted to the size of the discharge port 3; the quantitative component is connected to the driving component 6, and the driving component 6 drives the quantitative groove 9 to receive the powder from the discharge port 3, and then moves to a designated position to deliver the powder. The quantitative component is arranged on the support 22.

[0062] The quantitative groove 9 is adapted to the size of the discharge port 3, so that the powder coming out of the discharge port 3 completely enters the quantitative groove 9. Under the action of the driving component 6, the quantitative groove 9 moves the quantitative powder to the specified position for delivery, thereby realizing the quantitative supply of the powder.

[0063] like Figure 2 and Figure 5 As shown, the feeding device provided in this embodiment, the quantitative component includes a quantitative roller 10, the quantitative roller 10 is rotatably arranged below the discharge port 3, the quantitative roller 10 is evenly arranged with a plurality of quantitative grooves 9 in the circumferential direction, and the driving component 6 is connected to the quantitative roller 10 in a transmission manner. By the alternating rotation mode, the non-stop automatic movement of the quantitative groove 9 receiving and discharging the material is realized, and the mode of transmission by rotation saves more space, and the discharging amount of the quantitative roller 10 can also be controlled by controlling the rotation speed of the driving component 6, so as to realize accurate discharging.

[0064] A specific embodiment of the transmission connection of the metering roller 10 is as follows: Figure 5 As shown, a second driven wheel 26 is fixedly provided at one end of the metering roller 10, and the second driven wheel 26 and the driving wheel 24 are also connected by a synchronous belt 25, that is, the synchronous belt 25 drives the first driven wheel 23 and the second driven wheel 26 to rotate simultaneously.

[0065] An improved embodiment of the metering roller 10, such as Figure 2 and Figure 5 As shown, the quantitative groove 9 is an arc structure, which is convenient for uniform material feeding and smooth subsequent material removal. There is an arc transition between two adjacent quantitative grooves 9. The maximum chord length of the quantitative groove 9 is equal to the width of the discharge port 3.

[0066] In addition, as an alternative embodiment, a movable component may be used to replace the metering roller 10, so as to realize the receiving and discharging of the powder by moving back and forth.

[0067] like Figure 2 and Figure 4 As shown, the feeding device provided in this embodiment has an arc-shaped sealing plate 11 on one side of the discharge port 3 that is adapted to the structure of the metering roller 10, and the metering groove 9 delivers the powder after passing through the discharge port 3 and the arc-shaped sealing plate 11 in sequence.

[0068] When the metering groove 9 rotates after receiving the powder, it passes through the arc sealing plate 11. Under the action of the arc sealing plate 11, the metering groove 9 is closed to prevent the powder from falling in advance and causing uneven discharge. After passing the arc sealing plate 11, the metering groove 9 is opened again, and the powder falls into the designated position, ensuring that the powder falls evenly below.

[0069] An improved implementation of the arc-shaped sealing plate 11, such as Figure 4 As shown, baffles 27 are respectively provided at both ends of the arc-shaped sealing plate 11 to prevent powder from seeping out from both ends of the quantitative groove 9.

[0070] like Figure 1 , Figure 2 and Figure 6 As shown, the feeding device provided in this embodiment also includes a material removal component 12, which is arranged at the position after the material is dropped in the rotation direction of the metering roller 10, and the material removal component 12 has a material removal part 13, and the material removal part 13 is always in contact with the outer surface of the metering roller 10 to remove the material from the metering roller 10 at the end of feeding, so as to effectively remove the residual powder stuck on the metering roller 10, avoid the powder in the metering groove 9 from sticking more and more, and ensure that the subsequent feeding amount is basically consistent each time.

[0071] Specifically, the material removal assembly 12 is arranged on the support 22, according to Figure 2As shown in the middle direction, the metering roller 10 rotates in the direction shown in the figure, the arc-shaped sealing plate 11 is arranged on the right side of the metering roller 10, and the material removal component 12 is arranged on the left side of the metering roller 10. The metering roller 10 rotates away from the arc-shaped sealing plate 11 to unload the material, and the metering trough 9 after unloading is completed passes through the material removal component 12 for material removal and cleaning.

[0072] like Figure 6 As shown, the feeding device provided in this embodiment, the material removal component 12 includes a mounting plate 14, a movable shaft 15 and an elastic member 16, the mounting plate 14 is fixedly arranged relative to the storage bin 1; the movable shaft 15 is slidably arranged on the mounting plate 14, and the material removal member 13 is connected to the movable shaft 15; the elastic member 16 is arranged on the movable shaft 15, and the elastic member 16 has an elastic force that makes the material removal member 13 always abut against the metering roller 10.

[0073] The setting of the elastic member 16 ensures that the material removing member 13 is always in contact with the metering roller 10, ensuring that the material removing member 13 cleans every part of the metering roller 10 and effectively removes the residual powder; and the setting of the elastic member 16 enables the position of the material removing member 13 to be automatically adjusted with the rotation of the metering groove 9, without the need to set up a complicated electric drive, and the structure is simple.

[0074] Specifically, the elastic member 16 is a spring; there are multiple movable shafts 15, which are evenly distributed on the mounting plate 14, and the length of the material removal member 13 is adapted to the length of the quantitative groove 9 to achieve full-scale material removal.

[0075] like Figure 6 As shown, in the feeding device provided in this embodiment, the moving shaft 15 and the mounting plate 14 are connected by a linear bearing 17. The arrangement of the linear bearing reduces friction and wear during the movement of the moving shaft, thereby achieving smooth movement. Specifically, the linear bearing 17 is a sliding linear bearing. In addition, as an alternative embodiment, the linear bearing 17 may not be arranged, and a through hole may be arranged on the mounting plate 14, and the moving shaft 15 may be directly slidably arranged in the through hole.

[0076] The feeding device provided in this embodiment, wherein the material removal component 13 includes: a material removal plate, a material removal brush and a material removal sheet, can select different material removal methods according to different situations, and has wide practicality.

[0077] Working process of the feeding device: the powder enters the storage bin 1 through the feed port 2, and is stirred and broken up by the action of the stirring component 4. The broken up powder falls into the metering slot 9 through the discharge port 3. Under the action of the driving component 6, the metering roller 10 carrying the powder rotates, and after passing through the arc-shaped sealing plate 11, the powder falls down, and the powder is delivered. The metering slot 9 after delivering the powder passes through the removing member 13. Under the action of the elastic member 16, the removing member 13 removes and cleans the metering slot 9. After cleaning, the metering slot 9 continues to rotate and enters the bottom of the discharge port 3 to receive the powder, and the receiving of the powder, the delivery of the powder and the cleaning of the metering slot 9 are completed in sequence.

[0078] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the present utility model.

Claims

1. A feeding device, characterized in that: include: A material storage bin (1) having a material inlet (2) and a material outlet (3); A stirring assembly (4), comprising a stirring blade (5), wherein the stirring blade (5) is arranged inside the storage bin (1) and close to the discharge port (3); A driving component (6) connected to the stirring blade (5), wherein the driving component (6) drives the stirring blade (5) to rotate so as to break up the powder near the discharge port (3); A quantitative component is arranged below the discharge port (3), and the quantitative component has a quantitative groove (9), and the quantitative groove (9) is adapted to the size of the discharge port (3); The quantitative component is connected to the driving component (6), and the driving component (6) drives the quantitative groove (9) to receive the powder from the discharge port (3), and then moves to a designated position to deliver the powder.

2. The feeding device according to claim 1, characterized in that: The stirring assembly (4) comprises: The stirring shaft (7) is arranged inside the storage bin (1), and the driving assembly (6) is connected to the stirring shaft (7) in a transmission manner; the stirring blades (5) are provided in plurality, and the plurality of stirring blades (5) are arranged in a staggered manner along the stirring shaft (7).

3. The feeding device according to claim 1, characterized in that: The stirring blade (5) has a stirring rod (8) arranged parallel to the discharge port (3).

4. The feeding device according to claim 1, characterized in that: The quantitative components include: A metering roller (10) is rotatably arranged below the discharge port (3), a plurality of metering grooves (9) are evenly distributed around the metering roller (10), and the driving assembly (6) is transmission-connected to the metering roller (10).

5. The feeding device according to claim 4, characterized in that: One side of the discharge port (3) is provided with an arc-shaped sealing plate (11) that is structurally compatible with the metering roller (10), and the metering groove (9) sequentially passes through the discharge port (3) and the arc-shaped sealing plate (11) to deliver the powder.

6. The feeding device according to claim 4, characterized in that: Also includes: A material removal assembly (12) is arranged at a position after the material is dropped in the rotation direction of the metering roller (10), and the material removal assembly (12) has a material removal piece (13). The material removal piece (13) is always in contact with the outer surface of the metering roller (10) to remove material from the metering roller (10) after the material feeding is completed.

7. The feeding device according to claim 6, characterized in that: The material removal assembly (12) comprises: A mounting plate (14) fixedly arranged relative to the storage bin (1); A movable shaft (15) is slidably arranged on the mounting plate (14), and the material removal member (13) is connected to the movable shaft (15); An elastic member (16) is arranged on the movable shaft (15), and the elastic member (16) has an elastic force that enables the material removing member (13) to always abut against the metering roller (10).

8. The feeding device according to claim 7, characterized in that: The movable shaft (15) and the mounting plate (14) are connected via a linear bearing (17).

9. The feeding device according to any one of claims 6 to 8, characterized in that: The material removal component (13) comprises a material removal plate, a material removal brush and a material removal sheet.

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