Automatic quantitative solid sample adding device
By designing a automatic quantitative sample loading device for solid samples, the problem of quantitative sample loading in lithium battery production is solved, and the consistency of the quality of lithium battery paste and battery performance is improved.
Patent Information
- Application Number
- CN202421733907.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-22
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-07-22
AI Technical Summary
The prior art is difficult to achieve quantitative sampling of solid samples in functional slurries for lithium batteries in lithium batteries production, resulting in uneven slurry quality and affecting battery performance.
An automatic quantitative sampling device for solid samples is designed, including a solid crushing box, a crushing mechanism, a quantification mechanism and a feeding mechanism. By pulverizing, quantifying and conveying solid samples to a slurry mixer for mixing, ensuring quantitative addition of solid samples.
Quantitative addition of solid samples is achieved, the quality of functional slurry for lithium batteries is improved, and the stability and consistency of battery performance is ensured.
Smart Images

Figure CN223127917U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of solid sample quantitative sampling equipment, in particular to an automatic solid sample quantitative sampling device. Background Technique
[0002] With the rapid development of electric vehicles and automobiles, the power sources on these vehicles have also developed rapidly. However, there are still many problems in the production of batteries, resulting in uneven quality of battery products on the market. The later cycle life of the battery capacity cannot reach the designed service life, which has a great relationship with the unique production process of the battery in production.
[0003] The production and manufacturing of lithium-ion batteries is a process closely linked by one process step after another. Generally speaking, the production of lithium batteries includes the electrode sheet manufacturing process, the battery assembly process, and the final processes of liquid injection, pre-charging, formation, and aging. In the processes of these three stages, each process can be further divided into several key processes, and each step will have a great impact on the final performance of the battery. Among them, in the electrode sheet manufacturing process stage, it can be subdivided into five processes: slurry preparation, slurry coating, electrode sheet rolling, electrode sheet slitting, and electrode sheet drying. In the battery assembly process, according to different battery specifications and models, it is roughly divided into processes such as winding, casing insertion, and welding.
[0004] The functional slurry for lithium batteries is a non-Newtonian fluid, a solid-liquid mixed fluid. In order to meet the requirements of the subsequent coating process, the slurry needs to have the following three characteristics: fluidity, leveling property, and rheological property. The fluidity of the functional slurry for lithium batteries is related to the solid content and viscosity in the slurry. Therefore, it is necessary to quantitatively add solid samples to the slurry for stirring. Therefore, we need to propose an automatic solid sample quantitative sampling device. Content of the Utility Model
[0005] The purpose of the utility model is to provide an automatic solid sample quantitative sampling device, which has a structure convenient for quantitatively sampling solid samples, so as to solve the problems raised in the above background technique.
[0006] To achieve the above purpose, the utility model provides the following technical solution: an automatic solid sample quantitative sampling device, including a slurry mixer, and a sampling component for quantitatively sampling solid samples is arranged on one side of the slurry mixer;
[0007] The sample adding assembly includes a solid crushing box arranged on one side of the slurry mixer. One side of the upper end of the solid crushing box is fixedly installed with a feeding port. The lower end of the solid crushing box is fixedly installed with a support. A crushing mechanism is arranged inside the solid crushing box. A quantitative mechanism is arranged at the bottom of the solid crushing box. A support platform is fixedly installed inside the support. A feeding mechanism is arranged at the corresponding position below the quantitative mechanism on the top of the support platform. And the quantitative mechanism is connected to the slurry mixer through the feeding mechanism.
[0008] Preferably, the crushing mechanism includes a rotating rod rotatably connected to the upper end of the solid crushing box. A plurality of groups of crushing knives are uniformly and fixedly installed on the surface of one end of the rotating rod inside the solid crushing box. The other end of the rotating rod penetrates through the solid crushing box and extends to the top of the solid crushing box and is connected with a driving motor.
[0009] Preferably, the quantitative mechanism includes a discharge pipe fixedly installed at the bottom of the solid crushing box. A control valve is fixedly installed at the upper end of the discharge pipe. External threads are arranged at one end of the surface of the discharge pipe and below the control valve.
[0010] Preferably, the quantitative mechanism further includes a quantitative pipe arranged below the discharge pipe. A connecting cavity is arranged at the upper end inside the quantitative pipe. The inner wall of the connecting cavity is adapted to the surface of the discharge pipe. And the surface of the discharge pipe is threadedly connected to the inner wall of the connecting cavity.
[0011] Preferably, the quantitative mechanism further includes a plugging pipe arranged below the quantitative pipe. The upper end inside the plugging pipe is adapted to the lower end surface of the quantitative pipe. And the inner wall of the upper end of the plugging pipe is threadedly connected to the surface of the lower end of the quantitative pipe. A blocking plate is fixedly installed at the bottom of the plugging pipe. The bottom of the blocking plate is connected to the feeding mechanism.
[0012] Preferably, a sliding groove is formed inside the plugging pipe. A plugging plate is adaptively connected inside the sliding groove. And the surface of one end of the plugging plate is slidably connected to the inner cavity of the sliding groove.
[0013] Preferably, the feeding mechanism includes a feeding pipe fixedly installed on the top of the support platform. One end of the feeding pipe is communicated with one side of the slurry mixer. The other end of the feeding pipe is fixedly installed with a guiding funnel. The top of the guiding funnel is attached to the bottom of the plugging plate.
[0014] Compared with the prior art, the beneficial effects of the present utility model are:
[0015] By using the solid crushing box, the feeding port, the crushing mechanism, the metering mechanism and the feeding mechanism in cooperation, the utility model can facilitate the quantification of solid samples, conveniently control the quantified solid samples to enter the slurry and stir and mix with its viscosity, ensure the quality of the functional slurry for lithium batteries, and improve the practicability of the device.
[0016] Other features and advantages of the present utility model will be described in the following specification, and, in part, will be obvious from the specification, or will be understood by implementing the present utility model. The objectives and other advantages of the present utility model can be achieved and obtained by the structures pointed out in the specification and the drawings. Brief Description of the Drawings
[0017] Figure 1 is a schematic structural diagram of the present utility model;
[0018] Figure 2 is a schematic structural diagram of the feeding mechanism of the present utility model;
[0019] Figure 3 is a schematic structural diagram of the crushing mechanism of the present utility model;
[0020] Figure 4 is a schematic structural diagram of the blocking tube of the present utility model;
[0021] Figure 5 is a schematic cross-sectional structural diagram of the metering tube of the present utility model.
[0022] In the figure: 1, slurry mixer; 2, solid crushing box; 3, feeding port; 4, bracket; 5, crushing mechanism; 501, rotating rod; 502, crushing knife; 503, driving motor; 6, metering mechanism; 601, discharge pipe; 602, control valve; 603, metering tube; 604, connecting cavity; 605, blocking tube; 606, blocking plate; 607, chute; 608, blocking plate; 7, support platform; 8, feeding mechanism; 801, feeding pipe; 802, guiding funnel. Detailed Description of the Embodiments
[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0024] Please refer to Figures 1-5 , the present utility model provides a technical solution: an automatic quantitative sampling device for solid samples, including a slurry mixer 1 and a sampling assembly.
[0025] Preferably, a sampling assembly for quantitatively sampling solid samples is provided on one side of the slurry mixer 1.
[0026] Preferably, the sampling assembly includes: a solid crushing box 2, a feed inlet 3, a bracket 4, a crushing mechanism 5, a metering mechanism 6, a support table 7, and a feeding mechanism 8. The solid crushing box 2 is arranged on one side of the slurry mixer 1. One side of the upper end of the solid crushing box 2 is fixedly installed with a feed inlet 3. The lower end of the solid crushing box 2 is fixedly installed with a bracket 4. A crushing mechanism 5 is arranged inside the solid crushing box 2. A metering mechanism 6 is arranged at the bottom of the solid crushing box 2. A support table 7 is fixedly installed inside the bracket 4. A feeding mechanism 8 is arranged at the corresponding position below the metering mechanism 6 on the top of the support table 7. And the metering mechanism 6 is connected to the slurry mixer 1 through the feeding mechanism 8.
[0027] Specifically, through the coordinated use of the solid crushing box 2, the feed inlet 3, the bracket 4, the crushing mechanism 5, the metering mechanism 6, the support table 7, and the feeding mechanism 8, the solid raw materials are crushed by the solid crushing box 2, then the solid particles are metered by the metering mechanism 6, and then are fed into the slurry mixer 1 by the feeding mechanism 8. Thus, it is convenient to quantitatively sample the solid samples, and it is convenient to control the quantitatively sampled solid samples to enter the slurry and be stirred and mixed with its viscosity, ensuring the quality of the functional slurry for lithium batteries and improving the practicality of the device.
[0028] Preferably, the crushing mechanism 5 includes: a rotating rod 501, crushing knives 502, and a driving motor 503. The rotating rod 501 is rotatably connected to the upper end of the solid crushing box 2. A plurality of groups of crushing knives 502 are evenly and fixedly installed on the surface of one end of the rotating rod 501 and inside the solid crushing box 2. The other end of the rotating rod 501 penetrates through the solid crushing box 2 and extends to the top of the solid crushing box 2 and is connected to a driving motor 503.
[0029] Preferably, the metering mechanism 6 includes: a discharge pipe 601, a control valve 602, a metering pipe 603, a connection cavity 604, a blocking pipe 605, a blocking plate 606, a sliding groove 607 and a blocking plate 608. The discharge pipe 601 is fixedly installed at the bottom of the solid crushing box 2. A control valve 602 is fixedly installed at the upper end of the discharge pipe 601. An external thread is provided at one end of the surface of the discharge pipe 601 and below the control valve 602. The metering pipe 603 is arranged below the discharge pipe 601. A connection cavity 604 is arranged at the upper end inside the metering pipe 603. The inner wall of the connection cavity 604 is adapted to the surface of the discharge pipe 601, and the surface of the discharge pipe 601 is threadedly connected to the inner wall of the connection cavity 604. The blocking pipe 605 is arranged below the metering pipe 603. The upper end inside the blocking pipe 605 is adapted to the lower end surface of the metering pipe 603, and the inner wall of the upper end of the blocking pipe 605 is threadedly connected to the surface of the lower end of the metering pipe 603. A blocking plate 606 is fixedly installed at the bottom of the blocking pipe 605. The bottom of the blocking plate 606 is connected to the feeding mechanism 8. A sliding groove 607 is formed inside the blocking pipe 605. A blocking plate 608 is adaptively connected inside the sliding groove 607, and the surface of one end of the blocking plate 608 is slidably connected to the inner cavity of the sliding groove 607.
[0030] Preferably, the feeding mechanism 8 includes: a feeding pipe 801 and a guiding funnel 802. The surface of the feeding pipe 801 is fixedly installed at the top of the support platform 7. One end of the feeding pipe 801 is communicated with one side of the slurry mixer 1. A guiding funnel 802 is fixedly installed at the other end of the feeding pipe 801. The top of the guiding funnel 802 is attached to the bottom of the blocking plate 608.
[0031] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An automatic quantitative sample loading device for solid samples, characterized in that: It includes a slurry mixer (1), and a sampling component for quantitatively sampling solid samples is arranged on one side of the slurry mixer (1). The sampling component includes a solid crushing box (2) arranged on one side of the slurry mixer (1). One side of the upper end of the solid crushing box (2) is fixedly installed with a feed inlet (3). The lower end of the solid crushing box (2) is fixedly installed with a bracket (4). A crushing mechanism (5) is arranged inside the solid crushing box (2). A quantitative mechanism (6) is arranged at the bottom of the solid crushing box (2). A support platform (7) is fixedly installed inside the bracket (4). A feeding mechanism (8) is arranged at the corresponding position below the quantitative mechanism (6) on the top of the support platform (7), and the quantitative mechanism (6) is connected to the slurry mixer (1) through the feeding mechanism (8).
2. The automatic quantitative sample adding device for solid samples according to claim 1, wherein: The crushing mechanism (5) includes a rotating rod (501) rotatably connected to the upper end of the solid crushing box (2). A plurality of groups of crushing knives (502) are uniformly fixedly installed on the surface of one end of the rotating rod (501) inside the solid crushing box (2). The other end of the rotating rod (501) penetrates through the solid crushing box (2) and extends to the top of the solid crushing box (2) and is connected with a driving motor (503).
3. The automatic quantitative sample adding device for solid samples according to claim 1, characterized in that: The quantitative mechanism (6) includes a discharge pipe (601) fixedly installed at the bottom of the solid crushing box (2). A control valve (602) is fixedly installed at the upper end of the discharge pipe (601). External threads are arranged at one end of the surface of the discharge pipe (601) below the control valve (602).
4. The automatic quantitative sample adding device for solid samples according to claim 3, wherein: The quantitative mechanism (6) further includes a quantitative pipe (603) arranged below the discharge pipe (601). A connecting cavity (604) is arranged at the upper end inside the quantitative pipe (603). The inner wall of the connecting cavity (604) is arranged in a matching manner with the surface of the discharge pipe (601), and the surface of the discharge pipe (601) is threadedly connected with the inner wall of the connecting cavity (604).
5. The automatic quantitative sample adding device for solid samples according to claim 4, characterized in that: The quantitative mechanism (6) further includes a plugging pipe (605) arranged below the quantitative pipe (603). The upper end inside the plugging pipe (605) is arranged in a matching manner with the lower end surface of the quantitative pipe (603), and the inner wall of the upper end of the plugging pipe (605) is threadedly connected with the lower end surface of the quantitative pipe (603). A blocking plate (606) is fixedly installed at the bottom of the plugging pipe (605), and the bottom of the blocking plate (606) is connected with the feeding mechanism (8).
6. The automatic quantitative sample adding device for solid samples according to claim 5, wherein: A chute (607) is opened inside the plugging pipe (605). A plugging plate (608) is connected in a matching manner inside the chute (607), and the surface of one end of the plugging plate (608) is slidably connected to the inner cavity of the chute (607).
7. An automatic quantitative sampling device for solid samples according to claim 1, characterized in that: The feeding mechanism (8) includes a feeding pipe (801) fixedly installed on the top of the support table (7). One end of the feeding pipe (801) is communicated with one side of the slurry mixer (1), and a guiding funnel (802) is fixedly installed at the other end of the feeding pipe (801). The top of the guiding funnel (802) is attached to the bottom of the blocking plate (608).