Stirring and dispersing device for preparing lithium battery slurry

Abstract

The utility model discloses a stirring and dispersing device for preparing lithium battery slurry, and relates to the technical field of lithium battery processing. The stirring box comprises a stirring box body, wherein the top of the stirring box body is movably connected with a cover plate; a through hole is formed in the upper surface of the cover plate; a transmission device is fixed on the upper surface of the cover plate; the transmission device comprises a transmission shell which is fixedly connected with the cover plate; positioning rods are fixed to the two sides of the inner wall of the transmission shell. A support is fixed to the top of the transmission shell. A first motor is fixed to one end of the support. Under the action of a transmission device, an auxiliary adjusting shell on the outer side of an auxiliary adjusting block and an adjusting plate at one end of the auxiliary adjusting shell can move up and down along with the auxiliary adjusting shell, and when the adjusting plate moves, a connecting rod on one side and a second motor at one end of the adjusting plate move up and down, so that a stirring rod moves up and down while rotating; therefore, lithium battery slurry in the stirring box body can be mixed more sufficiently, and materials in the stirring box body are mixed more sufficiently.

Description

Technical Field

[0001] The utility model belongs to the technical field of lithium battery processing, and particularly relates to a stirring and dispersing device for preparing lithium battery slurry. Background Art

[0002] As competition in the new energy electric vehicle industry gradually intensifies, the demand for power lithium batteries is increasing. In the production process of lithium batteries, the raw materials of lithium batteries include adhesives, conductive agents, positive electrode materials, graphite carbon powder, etc. to form positive and negative electrodes. The preparation of positive and negative electrode slurries (separate preparation) includes mixing, dissolving, and dispersing between liquid and liquid, liquid and solid materials. In the positive and negative electrode slurries, the dispersion and uniformity of the granular active substances directly affect the movement of lithium ions between the two poles of the battery. Therefore, the mixing and dispersion of the slurries of various pole sheet materials is crucial in the production of lithium-ion batteries. The quality of slurry dispersion directly affects the quality of subsequent lithium-ion battery production and the performance of its products.

[0003] The invention with the publication number of "CN108079821A" and the name of "A slurry stirring device for lithium battery production" discloses a slurry stirring device for lithium battery production, which is controlled by a control button, making the slurry stirring operation more convenient, saving trouble and labor, and the slurry can be fully stirred through the stirring of the stirring shaft and the pitching movement of the stirring barrel, thereby improving the stirring effect and work efficiency. However, the device needs to constantly adjust the direction of the stirring barrel, and there is a problem that the slurry inside the stirring barrel is easy to overflow during the movement. Utility Model Content

[0004] The utility model aims to provide a stirring and dispersing device for preparing lithium battery slurry. Through the action of the transmission device, the auxiliary adjustment shell on the outer side of the auxiliary adjustment block and the adjustment plate at one end thereof can move up and down accordingly. When the adjustment plate moves, the connecting rod on one side thereof and the second motor at one end thereof both move up and down, so that the stirring rod moves up and down while rotating, so that the lithium battery slurry in the stirring box body can be mixed more fully, and the materials in the stirring box body can be mixed more fully, which solves the problem that the existing device needs to constantly adjust the direction of the stirring barrel, and the slurry inside the stirring barrel is easy to overflow during the movement.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A stirring and dispersing device for preparing lithium battery slurry, comprising a stirring box body, wherein a cover plate is movably connected to the top of the stirring box body;

[0007] The upper surface of the cover plate is provided with a through hole, and a transmission device is fixed on the upper surface of the cover plate;

[0008] The transmission device comprises a transmission housing, and the transmission housing is fixedly connected to the cover plate;

[0009] Positioning rods are fixed on both sides of the inner wall of the transmission housing, and a bracket is fixed on the top of the transmission housing;

[0010] A first motor is fixed at one end of the bracket, a bearing is fixed at the top of the transmission housing, and an output shaft of the first motor is fixedly connected to an inner ring of the bearing;

[0011] A transmission plate is fixed to one end of the output shaft of the first motor, and a main adjustment housing is fixed to one end of the transmission plate;

[0012] The positioning rod is externally slidably connected with an adjustment plate, and adjustment tubes are fixed on both sides of the adjustment plate;

[0013] The positioning rod passes through the adjustment tube;

[0014] An auxiliary adjustment shell is fixed on one side of the adjustment plate;

[0015] A main adjusting block is rotatably connected inside the main adjusting housing, an auxiliary adjusting block is rotatably connected inside the auxiliary adjusting housing, and a transmission rod is fixed between the main adjusting block and the auxiliary adjusting block;

[0016] A connecting rod is fixed on one side of the adjustment plate, and an adjustment slot is opened on one side of the transmission housing;

[0017] The connecting rod passes through the adjusting groove, and a stirring device is fixed on one end of the connecting rod.

[0018] The utility model is further configured as follows: the main adjustment block and the auxiliary adjustment block are both spherical structures, and the main adjustment shell and the auxiliary adjustment shell are both hollow hemispherical structures.

[0019] The utility model is further configured as follows: the stirring device comprises a second motor, and the second motor is fixedly connected to the connecting rod;

[0020] The second motor output shaft is fixed with a stirring rod.

[0021] The utility model is further configured as follows: the stirring rod passes through the through hole, and a plurality of dispersion rods are fixed on the outer ring of the stirring rod.

[0022] The utility model is further configured as follows: support plates are fixed on all four sides of the mixing box body, and a plurality of connecting plates are fixed on the outer ring of the cover plate.

[0023] The utility model is further configured as follows: a support rod is fixed on the upper surface of the support plate, and a limit plate is fixed at one end of the support rod;

[0024] A reinforcement plate is fixed to the outer ring of the limiting plate.

[0025] The utility model is further configured as follows: a limiting groove is provided on one side of the connecting plate, and a reinforcement groove is provided on the inner circle of the limiting groove;

[0026] The limiting groove matches the shape of the limiting plate.

[0027] The utility model has the following beneficial effects:

[0028] 1. In the utility model, through the action of the transmission device, the auxiliary adjustment shell on the outside of the auxiliary adjustment block and the adjustment plate at one end thereof can move up and down accordingly. When the adjustment plate moves, the connecting rod on one side thereof and the second motor at one end thereof both move up and down, so that the stirring rod moves up and down while rotating, so that the lithium battery slurry in the stirring box body can be mixed more fully, and the materials in the stirring box body can be mixed more fully.

[0029] 2. In the present invention, the limiting groove and the reinforcing groove on one side of the cover plate are aligned with the limiting plate and the reinforcing plate on one side of the mixing box body through the function of the limiting plate and the reinforcing plate. At this time, the cover plate can be stably fixed on the mixing box body. The device can keep the cover plate stable when it is fixed on the mixing box body, avoiding the shaking of the cover plate during stirring and dispersing, thereby ensuring the normal operation of the device.

[0030] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0032] Figure 1 The utility model is a structural schematic diagram of a stirring and dispersing device for preparing lithium battery slurry.

[0033] Figure 2 It is a schematic diagram of the side view structure of the utility model.

[0034] Figure 3 For the utility model Figure 2 A partial enlarged view of point A in the middle.

[0035] Figure 4 This is a schematic diagram of the structure of a mixing box of the present utility model.

[0036] Figure 5 It is a schematic diagram of the bottom structure of the cover plate of the present utility model.

[0037] Figure 6 It is a schematic diagram of the structure of the cover plate of the utility model when viewed from the side.

[0038] Figure 7 This is a schematic diagram of the structure of the stirring device of the utility model.

[0039] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0040] 1-mixing box body, 2-cover plate, 3-through hole, 4-transmission device, 5-transmission shell, 6-positioning rod, 7-bracket, 8-first motor, 9-bearing, 10-transmission plate, 11-main adjustment shell, 12-adjustment plate, 13-adjustment tube, 14-auxiliary adjustment shell, 15-main adjustment block, 16-auxiliary adjustment block, 17-transmission rod, 18-connecting rod, 19-adjustment groove, 20-stirring device, 21-second motor, 22-stirring rod, 23-dispersion rod, 24-support plate, 25-connecting plate, 26-support rod, 27-limiting plate, 28-reinforcement plate, 29-limiting groove, 30-reinforcement groove. DETAILED DESCRIPTION

[0041] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0042] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0043] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention. Specific embodiment 1

[0045] See also Figure 1-7The utility model is a stirring and dispersing device for preparing lithium battery slurry, comprising a stirring box body 1, a cover plate 2 is movably connected to the top of the stirring box body 1; a through hole 3 is opened on the upper surface of the cover plate 2, and a transmission device 4 is fixed to the upper surface of the cover plate 2; the transmission device 4 comprises a transmission shell 5, and the transmission shell 5 is fixedly connected to the cover plate 2; positioning rods 6 are fixed on both sides of the inner wall of the transmission shell 5, and a bracket 7 is fixed on the top of the transmission shell 5; a first motor 8 is fixed at one end of the bracket 7, a bearing 9 is fixed at the top of the transmission shell 5, and the output shaft of the first motor 8 is fixedly connected to the inner ring of the bearing 9; a transmission plate 10 is fixed at one end of the output shaft of the first motor 8, and the transmission A main adjustment shell 11 is fixed to one end of the plate 10; an adjustment plate 12 is slidably connected to the outside of the positioning rod 6, and adjustment tubes 13 are fixed on both sides of the adjustment plate 12; the positioning rod 6 passes through the adjustment tube 13; an auxiliary adjustment shell 14 is fixed to one side of the adjustment plate 12; a main adjustment block 15 is rotatably connected to the inside of the main adjustment shell 11, and an auxiliary adjustment block 16 is rotatably connected to the inside of the auxiliary adjustment shell 14, and a transmission rod 17 is fixed between the main adjustment block 15 and the auxiliary adjustment block 16; a connecting rod 18 is fixed to one side of the adjustment plate 12, and an adjustment groove 19 is opened on one side of the transmission shell 5; the connecting rod 18 passes through the adjustment groove 19, and a stirring device 20 is fixed to one end of the connecting rod 18.

[0046] Specifically, the main adjustment block 15 and the auxiliary adjustment block 16 are both spherical structures, and the main adjustment shell 11 and the auxiliary adjustment shell 14 are both hollow hemispherical structures.

[0047] Furthermore, the stirring device 20 includes a second motor 21, which is fixedly connected to the connecting rod 18; a stirring rod 22 is fixed to the output shaft of the second motor 21; the stirring rod 22 passes through the through hole 3, and a plurality of dispersion rods 23 are fixed to the outer ring of the stirring rod 22.

[0048] The operation process of this embodiment is as follows: when the device is in use, the second motor 21 is turned on, and the output shaft of the second motor 21 drives the stirring rod 22 and the dispersion rod 23 at one end thereof to rotate, so as to stir the battery slurry in the stirring box body 1. During the stirring process, the first motor 8 is turned on at the same time, and the output shaft of the first motor 8 drives the transmission plate 10 at one end thereof to rotate. When the transmission plate 10 rotates, the main adjustment shell 11 at one side thereof is driven to rotate. When the main adjustment shell 11 moves, the main adjustment block 5 inside it moves accordingly, and the transmission rod 17 at one side of the main adjustment block 5 drives the auxiliary adjustment block 16 of the element to move up and down, and the auxiliary adjustment shell 14 outside the auxiliary adjustment block 16 and the adjustment plate 12 at one end thereof can move up and down accordingly. When the adjustment plate 12 moves, the connecting rod 18 at one side thereof and the second motor 21 at one end thereof both move up and down, so that the stirring rod 22 moves up and down while rotating, so that the lithium battery slurry in the stirring box body 1 can be mixed more fully, so that the materials in the stirring box body 1 are mixed more fully. Specific embodiment 2

[0050] See also Figure 4-5 On the basis of the first specific embodiment, support plates 24 are fixed on all sides of the mixing box body 1, and a plurality of connecting plates 25 are fixed on the outer ring of the cover plate 2.

[0051] Specifically, a support rod 26 is fixed to the upper surface of the support plate 24 , and a limit plate 27 is fixed to one end of the support rod 26 ; a reinforcement plate 28 is fixed to the outer ring of the limit plate 27 .

[0052] Furthermore, a limiting groove 29 is formed on one side of the connection plate 25 , and a reinforcement groove 30 is formed on the inner circle of the limiting groove 29 ; the limiting groove 29 matches the shape of the limiting plate 27 .

[0053] The operation process of this embodiment is: when the cover plate 2 is fixed on the top of the mixing box body 1, the limit groove 29 and the reinforcement groove 30 on one side of the cover plate 2 can be aligned with the limit plate 27 and the reinforcement plate 28 on one side of the mixing box body 1. At this time, the cover plate 2 can be stably fixed on the mixing box body 1. The device can keep the cover plate 2 stable when it is fixed on the mixing box body 1, avoiding the shaking of the cover plate 2 during stirring and dispersing, thereby ensuring the normal operation of the device.

[0054] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0055] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A stirring and dispersing device for preparing lithium battery slurry, comprising a stirring box body (1), characterized in that: The top of the mixing box body (1) is movably connected with a cover plate (2); A through hole (3) is formed on the upper surface of the cover plate (2), and a transmission device (4) is fixed on the upper surface of the cover plate (2); The transmission device (4) comprises a transmission housing (5), and the transmission housing (5) is fixedly connected to the cover plate (2); Positioning rods (6) are fixed on both sides of the inner wall of the transmission housing (5), and a bracket (7) is fixed on the top of the transmission housing (5); A first motor (8) is fixed to one end of the bracket (7), a bearing (9) is fixed to the top of the transmission housing (5), and an output shaft of the first motor (8) is fixedly connected to an inner ring of the bearing (9); A transmission plate (10) is fixed to one end of the output shaft of the first motor (8), and a main adjustment housing (11) is fixed to one end of the transmission plate (10); The positioning rod (6) is externally slidably connected to an adjustment plate (12), and adjustment tubes (13) are fixed on both sides of the adjustment plate (12); The positioning rod (6) passes through the adjustment tube (13); An auxiliary adjustment shell (14) is fixed to one side of the adjustment plate (12); A main adjusting block (15) is rotatably connected inside the main adjusting housing (11), an auxiliary adjusting block (16) is rotatably connected inside the auxiliary adjusting housing (14), and a transmission rod (17) is fixed between the main adjusting block (15) and the auxiliary adjusting block (16); A connecting rod (18) is fixed to one side of the adjustment plate (12), and an adjustment groove (19) is formed on one side of the transmission housing (5); The connecting rod (18) passes through the adjustment groove (19), and a stirring device (20) is fixed to one end of the connecting rod (18).

2. A stirring and dispersing device for preparing lithium battery slurry according to claim 1, characterized in that: The main adjustment block (15) and the auxiliary adjustment block (16) are both spherical structures, and the main adjustment shell (11) and the auxiliary adjustment shell (14) are both hollow hemispherical structures.

3. A stirring and dispersing device for preparing lithium battery slurry according to claim 1, characterized in that: The stirring device (20) comprises a second motor (21), and the second motor (21) is fixedly connected to the connecting rod (18); A stirring rod (22) is fixed to the output shaft of the second motor (21).

4. A stirring and dispersing device for preparing lithium battery slurry according to claim 3, characterized in that: The stirring rod (22) passes through the through hole (3), and a plurality of dispersion rods (23) are fixed to the outer ring of the stirring rod (22).

5. The stirring and dispersing device for preparing lithium battery slurry according to claim 1, characterized in that: Support plates (24) are fixed on all four sides of the mixing box body (1), and a plurality of connecting plates (25) are fixed on the outer ring of the cover plate (2).

6. A stirring and dispersing device for preparing lithium battery slurry according to claim 5, characterized in that: A support rod (26) is fixed on the upper surface of the support plate (24), and a limiting plate (27) is fixed at one end of the support rod (26); A reinforcing plate (28) is fixed to the outer ring of the limiting plate (27).

7. A stirring and dispersing device for preparing lithium battery slurry according to claim 6, characterized in that: A limiting groove (29) is formed on one side of the connection plate (25), and a reinforcement groove (30) is formed on the inner circle of the limiting groove (29); The limiting groove (29) matches the limiting plate (27) in shape.

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