Lithium battery raw material mixing machine

Abstract

The utility model provides a lithium battery raw material mixing machine, which belongs to lithium battery raw material mixing equipment and comprises a base, a tank body is mounted on the surface of the base, a top cover is hinged to the top of the tank body through a hinge and used for sealing the tank body, and the tank body is used for providing a mixing space for battery raw materials. A turnover mechanism is mounted in an inner cavity of the base, a stirring mechanism is mounted in an inner cavity of the tank body, the stirring mechanism is used for dispersing and stirring battery raw materials, and an opening and closing mechanism is mounted on the back surface of the tank body; through the arrangement of the turnover mechanism and the opening and closing mechanism, the effect of conveniently carrying out unloading operation after lithium battery anode raw materials are prepared is achieved, the turnover mechanism can drive the tank body to rotate to enable the tank body to be in an inclined state, and the opening and closing mechanism can enable the top cover to be separated from the tank body; therefore, the mixed lithium battery positive electrode raw materials in the tank body can be conveniently poured out, and the discharging operation is convenient.

Description

Technical Field

[0001] The utility model belongs to lithium battery raw material mixing equipment, in particular to a lithium battery raw material mixer. Background Art

[0002] A mixer is a device used to mix two or more powder materials together to obtain a uniform mixture. It is used in the fields of chemical industry, medicine, food, agriculture, building materials, etc. The manufacturing process of lithium batteries involves a variety of raw materials, including positive electrode materials, negative electrode materials, electrolytes, diaphragms, etc. When preparing lithium iron phosphate positive electrode materials, it is necessary to evenly mix the iron source, lithium source and other auxiliary materials in a certain proportion and then sinter them to form lithium iron phosphate positive electrode materials. Various specially designed mixers are usually used for mixing and preparation;

[0003] According to the Chinese patent application number: 202123187729.9, a raw material mixing device for lithium battery processing is disclosed, including a main body, a feed port, a crushing device and a conveying device, wherein the crushing device includes a feed hopper arranged at the top of the main body and matched with the feed port, a motor plate arranged on the side wall of the main body, a crushing motor arranged on the motor plate, a driving gear arranged at one end of the crushing motor, and a first gear and a second gear arranged on both sides of the driving gear. By arranging a main body, a feed hopper, a driving gear, a first gear, a second gear, a first crushing roller, a second crushing roller, an inclined plate, a screen, a guide hopper, a spiral blade, a conveying shaft, a feed hopper, a mixing shaft and a stirring rod, the present invention solves the problem that in the processing and production process of existing lithium batteries, one of the raw materials, graphite, needs to be crushed and mixed evenly, and the traditional process uses machine crushing and manual stirring and mixing, so this method is inefficient and has poor effect;

[0004] The comparative case has the advantage of high mixing efficiency, but this type of lithium battery raw material mixing device lacks a discharging device, making it inconvenient to discharge the lithium battery raw materials after mixing.

[0005] In summary, the utility model provides a lithium battery raw material mixer to solve the above problems. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] A lithium battery raw material mixer comprises a base, a tank body is mounted on the surface of the base, a top cover is hinged on the top of the tank body via a hinge, the top cover is used to seal the tank body, the tank body is used to provide a mixing space for the battery raw materials, a turning mechanism is mounted in the inner cavity of the base, a stirring mechanism is mounted in the inner cavity of the tank body, the stirring mechanism is used to disperse and stir the battery raw materials, an opening and closing mechanism is mounted on the back of the tank body, the turning mechanism comprises a first motor, a worm, a worm gear, a transmission rod, a first support rod and a second support rod, the opening and closing mechanism comprises a cylinder, a first connecting block, a first concave plate, a second concave plate and a second connecting block, and the turning mechanism and the opening and closing mechanism are used for unloading.

[0008] Preferably, the first motor is fixedly connected to the base, the worm, worm wheel, transmission rod and first support rod are all installed in the inner cavity of the base, the output shaft of the first motor passes through the inner cavity of the base and is transmission-connected to the worm, the worm is meshed with the worm wheel, one end of the transmission rod is fixedly connected to the worm wheel, and the other end of the transmission rod passes through the outside of the base and is fixedly connected to the tank body.

[0009] Preferably, one end of the first support rod is fixedly connected to the worm gear, the other end of the first support rod is movably connected to the inner wall of the base via a bearing, one end of the worm gear is movably connected to the base via a bearing and the inner wall of the base, one end of the second support rod is fixedly connected to the tank body, and the other end of the second support rod is movably connected to the inner wall of the base via a bearing.

[0010] Preferably, the second concave plate is fixedly connected to the output end of the cylinder, the first connecting block is fixed to the lower end of the cylinder surface, the first concave plate is fixedly connected to the tank body, and one end of the second connecting block is fixedly connected to the top cover.

[0011] Preferably, one end of the first connecting block away from the cylinder extends to the inner cavity of the first concave plate and is movably connected to the inner wall of the first concave plate through a movable pin, and the other end of the second connecting block extends to the inner cavity of the second concave plate and is movably connected to the inner wall of the second concave plate through a movable pin.

[0012] Preferably, the stirring mechanism comprises a second motor, a main shaft, a stirring blade and a spiral piece, the second motor is installed at the bottom of the tank body, and the main shaft, the stirring blade and the spiral piece are all installed in the inner cavity of the tank body.

[0013] Preferably, the output shaft of the second motor passes through the inner cavity of the tank body and is connected to the main shaft for transmission. The number of the stirring blades is two and they are respectively installed on the upper and lower ends of the main shaft surface. The spiral blade is installed on the surface of the main shaft and is located between the two stirring blades.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The utility model achieves the effect of preparing the mixed raw materials for the positive electrode of the lithium battery by arranging a base, a tank body, a top cover and a stirring mechanism. The tank body and the top cover can provide a mixing space for the positive electrode raw materials for the lithium battery. The stirring mechanism can disperse and stir the positive electrode raw materials for the lithium battery to make them fully mixed, thereby completing the preparation of the positive electrode raw materials for the lithium battery. The base can provide stable support for the tank body, thereby enabling it to operate stably. By arranging a turning mechanism and an opening and closing mechanism, the utility model achieves the effect of facilitating the unloading operation after the preparation of the positive electrode raw materials for the lithium battery is completed. The turning mechanism can drive the tank body to rotate and make the tank body in an inclined state. The opening and closing mechanism can separate the top cover from the tank body, thereby facilitating the pouring out of the mixed positive electrode raw materials for the lithium battery in the tank, thereby facilitating the unloading operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the connection state structure of the turning mechanism of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the tank body and the opening and closing mechanism of the utility model in a separated state;

[0019] Figure 4 It is a structural schematic diagram of the connection state of the stirring mechanism of the utility model.

[0020] In the figure:

[0021] 1. Base; 2. Tank body; 3. Top cover; 4. Flipping mechanism; 401. First motor; 402. Worm; 403. Worm wheel; 404. Transmission rod; 405. First support rod; 406. Second support rod; 5. Stirring mechanism; 501. Second motor; 502. Main shaft; 503. Stirring blade; 504. Spiral sheet; 6. Opening and closing mechanism; 601. Cylinder; 602. First connecting block; 603. First concave plate; 604. Second concave plate; 605. Second connecting block. DETAILED DESCRIPTION

[0022] In order to better understand the technical content of the utility model, specific embodiments are cited and described as follows in conjunction with the accompanying drawings. In this disclosure, various aspects of the utility model are described with reference to the accompanying drawings, and many illustrative embodiments are shown in the accompanying drawings. The embodiments of the present disclosure are not necessarily defined to include all aspects of the utility model. It should be understood that the various concepts and embodiments introduced above, as well as those described in more detail below, can be implemented in any of many ways, because the concepts and embodiments disclosed in the utility model are not limited to any implementation method. In addition, some aspects disclosed in the utility model can be used alone, or used in any appropriate combination with other aspects disclosed in the utility model.

[0023] Example 1

[0024] like Figure 1-4 As shown, it is the first embodiment of the utility model, which provides a lithium battery raw material mixer, including a base 1, a tank body 2 is installed on the surface of the base 1, a top cover 3 is hinged on the top of the tank body 2 through a hinge, the top cover 3 is used to seal the tank body 2, the tank body 2 is used to provide a mixing space for the battery raw materials, a turning mechanism 4 is installed in the inner cavity of the base 1, a stirring mechanism 5 is installed in the inner cavity of the tank body 2, the stirring mechanism 5 is used to disperse and stir the battery raw materials, an opening and closing mechanism 6 is installed on the back of the tank body 2, the turning mechanism 4 includes a first motor 401, a worm 402, a worm wheel 403, a transmission rod 404, a first support rod 405 and a second support rod 406, the opening and closing mechanism 6 includes a cylinder 601, a first connecting block 602, a first concave plate 603, a second concave plate 604 and a second connecting block 605, and the turning mechanism 4 and the opening and closing mechanism 6 are used for unloading.

[0025] like Figure 1-4 As shown, first, the positive electrode raw material of the lithium battery is added into the inner cavity of the tank body 2, the opening and closing mechanism 6 drives the top cover 3 to move downward, so that the top cover 3 seals the tank body 2, and the stirring mechanism 5 rotates at a high speed to disperse and stir the positive electrode raw material of the lithium battery in the inner cavity of the tank body 2, so that it can be fully mixed, thereby completing the preparation of the positive electrode raw material of the lithium battery. After the mixing is completed, the flipping mechanism 4 drives the tank body 2 to rotate, so that the tank body 2 is tilted, and the material in the inner cavity of the tank body 2 flows out through the guide groove on the surface of the tank body 2, thereby facilitating unloading, and the opening and closing mechanism 6 drives the top cover 3 to move upward, so that the top cover 3 releases the seal on the tank body 2, thereby facilitating the re-addition of the positive electrode raw material of the lithium battery.

[0026] Example 2

[0027] Reference Figure 1 , 2 and 3, which are the second embodiment of the present utility model, and this embodiment is based on the previous embodiment.

[0028] In this embodiment, the first motor 401 is fixedly connected to the base 1, and the worm 402, the worm wheel 403, the transmission rod 404 and the first support rod 405 are all installed in the inner cavity of the base 1. The output shaft of the first motor 401 passes through the inner cavity of the base 1 and is transmission-connected to the worm 402. The worm 402 is meshed with the worm wheel 403. One end of the transmission rod 404 is fixedly connected to the worm wheel 403, and the other end of the transmission rod 404 passes through the outside of the base 1 and is fixedly connected to the tank body 2.

[0029] One end of the first support rod 405 is fixedly connected to the worm gear 403, and the other end of the first support rod 405 is movably connected to the inner wall of the base 1 through a bearing. One end of the worm 402 is movably connected to the base 1 through a bearing and the inner wall of the base 1. One end of the second support rod 406 is fixedly connected to the tank body 2, and the other end of the second support rod 406 is movably connected to the inner wall of the base 1 through a bearing.

[0030] The second concave plate 604 is fixedly connected to the output end of the cylinder 601 , the first connecting block 602 is fixed to the lower end of the surface of the cylinder 601 , the first concave plate 603 is fixedly connected to the tank body 2 , and one end of the second connecting block 605 is fixedly connected to the top cover 3 .

[0031] One end of the first connecting block 602 away from the cylinder 601 extends to the inner cavity of the first concave plate 603 and is movably connected to the inner wall of the first concave plate 603 through a movable pin. The other end of the second connecting block 605 extends to the inner cavity of the second concave plate 604 and is movably connected to the inner wall of the second concave plate 604 through a movable pin.

[0032] like Figure 1 , 2 As shown in Figure 3, the output shaft of the first motor 401 rotates forward to drive the worm 402 to rotate, and the worm 402 rotates to drive the worm wheel 403 to rotate. When the worm wheel 403 rotates, the first support rod 405 can support and limit it. While the worm wheel 403 rotates, it drives the tank body 2 to rotate through the transmission rod 404, so that the tank body 2 gradually tilts. When the tank body 2 rotates, the second support rod 406 can support and limit it. The material in the inner cavity of the tank body 2 gradually flows out through the guide groove on the surface of the tank body 2 as the tank body 2 tilts, thereby completing the unloading operation. The reverse rotation of the output shaft of the first motor 401 can drive the tank body 2 to return to a vertical state, and the output end of the cylinder 601 contracts to drive the cylinder 601 to move downward, so that the second concave plate 604 cooperates with the second connecting block 605 to drive the top cover 3 to move upward along the hinge, so that the top cover 3 can release the seal of the tank body 2, and the extension of the output end of the cylinder 601 can drive the top cover 3 to seal the tank body 2.

[0033] Example 3

[0034] Reference Figure 1 , 3and 4, which are the third embodiment of the present utility model, and this embodiment is based on the first two embodiments.

[0035] In this embodiment, the stirring mechanism 5 includes a second motor 501, a main shaft 502, a stirring blade 503 and a spiral blade 504. The second motor 501 is installed at the bottom of the tank body 2, and the main shaft 502, the stirring blade 503 and the spiral blade 504 are all installed in the inner cavity of the tank body 2.

[0036] The output shaft of the second motor 501 passes through the inner cavity of the tank body 2 and is connected to the main shaft 502 in transmission. There are two stirring blades 503, which are respectively installed on the upper and lower ends of the surface of the main shaft 502. The spiral blade 504 is installed on the surface of the main shaft 502 and is located between the two stirring blades 503.

[0037] like Figure 1 , 3 As shown in 4, the output shaft of the second motor 501 rotates at a high speed to drive the main shaft 502 to rotate in the inner cavity of the tank body 2. When the main shaft 502 rotates, it drives the stirring blade 503 and the spiral piece 504 to rotate. When the spiral piece 504 rotates, it can drive the lithium battery positive electrode raw material to flip up and down in the inner cavity of the tank body 2. When the stirring blade 503 rotates, it can mix and stir the lithium battery positive electrode raw material, so that it can be mixed evenly.

[0038] When in use, first add the positive electrode raw material of the lithium battery into the inner cavity of the tank body 2, and the output end of the cylinder 601 extends to push the second concave plate 604 to move upward, so that the second concave plate 604 and the second connecting block 605 cooperate to push the top cover 3 to contact the tank body 2, so that it can seal the inner cavity of the tank body 2, and the output shaft of the second motor 501 rotates at a high speed to drive the main shaft 502 to rotate in the inner cavity of the tank body 2. When the main shaft 502 rotates, it drives the stirring blade 503 and the spiral piece 504 to rotate. When the spiral piece 504 rotates, it can drive the positive electrode raw material of the lithium battery to flip up and down in the inner cavity of the tank body 2, and when the stirring blade 503 rotates, it can The pole raw materials are mixed and stirred so that they can be mixed evenly. After the preparation is completed, the output shaft of the first motor 401 rotates forward to drive the worm 402 to rotate. When the worm 402 rotates, it drives the worm wheel 403 to rotate. When the worm wheel 403 rotates, the first support rod 405 can support and limit it. While the worm wheel 403 rotates, the tank body 2 is driven to rotate through the transmission rod 404, so that the tank body 2 gradually tilts. When the tank body 2 rotates, the second support rod 406 can support and limit it. The material in the inner cavity of the tank body 2 gradually flows out through the guide groove on the surface of the tank body 2 as the tank body 2 is tilted, thereby completing the unloading operation.

[0039] The standard parts used in this application document can all be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented through simple programming by technicians in this field, which is common knowledge in the field. This application is mainly used to protect mechanical devices, so this application no longer explains the control method and circuit connection in detail.

[0040] Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. A person with ordinary knowledge in the technical field to which the present invention belongs may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be determined by the definition of the claims.

Claims

1. A lithium battery raw material mixer, comprising a base (1), characterized in that: A tank body (2) is mounted on the surface of the base (1); a top cover (3) is hingedly connected to the top of the tank body (2); the top cover (3) is used to seal the tank body (2); the tank body (2) is used to provide a mixing space for battery raw materials; a turnover mechanism (4) is mounted in the inner cavity of the base (1); a stirring mechanism (5) is mounted in the inner cavity of the tank body (2); the stirring mechanism (5) is used to disperse and stir the battery raw materials; an opening and closing mechanism (6) is mounted on the back of the tank body (2); the turnover mechanism (4) comprises a first motor (401), a worm (402), a worm wheel (403), a transmission rod (404), a first support rod (405) and a second support rod (406); the opening and closing mechanism (6) comprises a cylinder (601), a first connecting block (602), a first concave plate (603), a second concave plate (604) and a second connecting block (605); the turnover mechanism (4) and the opening and closing mechanism (6) are used for unloading.

2. The lithium battery raw material mixer according to claim 1, characterized in that: The first motor (401) is fixedly connected to the base (1); the worm (402), the worm wheel (403), the transmission rod (404) and the first support rod (405) are all installed in the inner cavity of the base (1); the output shaft of the first motor (401) passes through the inner cavity of the base (1) and is transmission-connected to the worm (402); the worm (402) is meshed with the worm wheel (403); one end of the transmission rod (404) is fixedly connected to the worm wheel (403); and the other end of the transmission rod (404) passes through the outside of the base (1) and is fixedly connected to the tank body (2).

3. The lithium battery raw material mixer according to claim 1, characterized in that: One end of the first support rod (405) is fixedly connected to the worm gear (403), and the other end of the first support rod (405) is movably connected to the inner wall of the base (1) via a bearing; one end of the worm (402) is movably connected to the base (1) via a bearing and the inner wall of the base (1); one end of the second support rod (406) is fixedly connected to the tank body (2), and the other end of the second support rod (406) is movably connected to the inner wall of the base (1) via a bearing.

4. The lithium battery raw material mixer according to claim 1, characterized in that: The second concave plate (604) is fixedly connected to the output end of the cylinder (601), the first connecting block (602) is fixed to the lower end of the surface of the cylinder (601), the first concave plate (603) is fixedly connected to the tank body (2), and one end of the second connecting block (605) is fixedly connected to the top cover (3).

5. The lithium battery raw material mixer according to claim 1, characterized in that: One end of the first connecting block (602) away from the cylinder (601) extends to the inner cavity of the first concave plate (603) and is movably connected to the inner wall of the first concave plate (603) through a movable pin, and the other end of the second connecting block (605) extends to the inner cavity of the second concave plate (604) and is movably connected to the inner wall of the second concave plate (604) through a movable pin.

6. The lithium battery raw material mixer according to claim 1, characterized in that: The stirring mechanism (5) comprises a second motor (501), a main shaft (502), a stirring blade (503) and a spiral blade (504); the second motor (501) is installed at the bottom of the tank body (2); and the main shaft (502), the stirring blade (503) and the spiral blade (504) are all installed in the inner cavity of the tank body (2).

7. The lithium battery raw material mixer as claimed in claim 6, characterized in that: The output shaft of the second motor (501) passes through the inner cavity of the tank body (2) and is drivingly connected to the main shaft (502). The number of the stirring blades (503) is two and they are respectively installed on the upper end and the lower end of the surface of the main shaft (502). The spiral blade (504) is installed on the surface of the main shaft (502) and is located between the two stirring blades (503).

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