阅读说明：本技术 一种锂电池负极材料去磁装置 (Lithium battery cathode material demagnetizer ) 是由 张蓉瑜 杨旭 王赛 徐丹 杨姝 于 2020-11-10 设计创作，主要内容包括：一种锂电池负极材料去磁装置,包括箱体,箱体上有进料口,进料口内有分料桶,分料桶底部连通两根分料管,箱体左右内壁之间有横轴,横轴上有圆柱管体,圆柱管体内开设圆柱空腔,圆柱空腔上有电动伸缩杆,电动伸缩杆上有瓦状夹持块,横轴上有步进电机,圆柱管体内有条形腔体,条形腔体内有磁性棒,圆柱管体上有套管,套管下有磁性物质收集装置,箱体下有两套二级去磁装置,二级去磁装置底部均通过两根集料管与出料口连通。本发明结构巧妙、设计合理,圆柱管体在套管中左右往复移动,使两侧的吸附与收集动作交错进行,提高了装置的工作效率,通过磁性棒与二级去磁装置的多次吸附或去磁,能有效控制负极材料中的磁性物质含量,达到高效去磁效果。(The utility model provides a lithium cell negative pole material demagnetizer, the power distribution box comprises a box body, there is the feed inlet on the box, there is the branch storage bucket in the feed inlet, divide two branch material pipes of branch storage bucket bottom intercommunication, there is the cross axle between the inner wall about the box, there is the cylinder body on the cross axle, set up the cylinder cavity in the cylinder body, there is electric telescopic handle on the cylinder cavity, there is tile form grip block on the electric telescopic handle, there is step motor on the cross axle, there is the bar cavity in the cylinder body, there is the magnetism stick in the bar cavity, there is the sleeve pipe on the cylinder body, there is magnetic substance collection device under the sleeve pipe, there are two sets of second grade demagnetizers under the box, second grade demagnetizer. The cylindrical tube body reciprocates left and right in the sleeve, so that adsorption and collection actions on two sides are performed in a staggered mode, the working efficiency of the device is improved, the content of magnetic substances in the cathode material can be effectively controlled through multiple adsorption or demagnetization of the magnetic rod and the secondary demagnetization device, and the efficient demagnetization effect is achieved.)

1. The utility model provides a lithium cell cathode material demagnetizer which characterized in that: comprises a box body (1), a feed inlet (2) is arranged at the top of the box body (1), a distributing barrel (3) is fixedly arranged at the inner end of the feed inlet (2), the bottom of the distributing barrel (3) is communicated with two symmetrical distributing pipes (4) which respectively face the left side and the right side through a second switch valve, a transverse shaft (5) is fixedly arranged between the left inner wall and the right inner wall of the box body (1), a coaxial cylindrical pipe body (6) is sleeved on the transverse shaft (5), a cylindrical cavity (7) which is coaxial with the cylindrical pipe body (6) is arranged in the cylindrical pipe body (6), a vertical electric telescopic rod (8) is fixedly arranged at the left end face and the right end face of the cylindrical cavity (7) by taking the transverse shaft (5) as the center, tile-shaped clamping blocks (9) are fixedly arranged at the movable ends of the electric telescopic rods (8), external threads are arranged at the side faces of the transverse shaft, the upper part and the lower part of the inner side surface of the cylindrical pipe body (6) are fixedly provided with transverse symmetrical first slide rails (10), the first slide rails (10) are respectively provided with a first slide block (11) in a matching way, an inner gear ring (12) coaxial with the cross shaft (5) is arranged between the two first slide blocks (11), the outer side surface of the inner gear ring (12) is respectively and fixedly connected with the two first slide blocks (11), the cross shaft (5) is fixedly provided with a transverse stepping motor (13), an output shaft of the stepping motor (13) is fixedly sleeved with a first gear (14), the first gear (14) is mutually meshed with the inner gear ring (12), the side surface of the inner gear ring (12) facing one side of the stepping motor (13) is fixedly provided with a second annular slide rail (15) coaxial with the cross shaft (5), the second annular slide rail (15) is provided with a second slide block (16) in a matching way, and the, cylindrical tube body (6) pipe wall is provided with a plurality of bar cavities (17) of horizontal annular equipartition, equal fixed mounting has magnetic rod (18) in bar cavity (17), cylindrical tube body (6) outside cover is equipped with sleeve pipe (19), sleeve pipe (19) and cylindrical tube body (6) lateral surface grafting cooperation, sleeve pipe (19) are through support and box (1) inner wall fixed connection, sleeve pipe (19) pipe wall both ends lower part all is equipped with magnetic substance collection device, box (1) lower part is through support fixed mounting have two sets of second grade demagnetizer, second grade demagnetizer bottom all communicates with discharge gate (25) through two collection material pipe (24).

2. The device of claim 1, wherein the demagnetizing device comprises: magnetic material collection device including respectively fixed mounting in horizontal third slide rail (211) on sleeve pipe (19) outer pipe wall lower extreme left and right sides, cooperation installation has third slider (214) on third slide rail (211), fixed mounting has collecting box (212) on second slider (214), sleeve pipe (19) pipe wall left and right ends lower part all is seted up fluted (213), equal fixed mounting has horizontal steering wheel (215) in recess (213), the equal fixed mounting in steering shaft outer end of steering wheel (215) has magnetic material to scrape a section of thick bamboo (216), collecting box (212) top surface corresponds magnetic material and scrapes a section of thick bamboo (216) and all seted up through-hole (217).

3. The device of claim 2, wherein the demagnetizing device comprises: the magnetic material scraping cylinder (216) is in a bucket shape, and an inclined surface is arranged at the opening end of a vertical plate close to the cylindrical pipe body (6).

4. The device of claim 1, wherein the demagnetizing device comprises: second grade demagnetizer include little cone bucket (231) big-end-up down, cone bucket (231) side passes through support and box (1) inside wall fixed connection, cone bucket (231) top surface rotates and is connected with annular plate (233) of coaxial line, annular plate (233) inboard fixed mounting has horizontal pole (234), horizontal pole (234) side lower part fixed mounting has many magnetism montants (235) of horizontal equipartition, annular plate (233) bottom surface fixed mounting has tooth face annular ring (236) down, cone bucket (231) side fixed mounting first motor (237), second gear (238) are established to the cover on the output shaft of first motor (237), second gear (238) and annular ring (236) flank of tooth intermeshing, cone bucket (231) bottom is through first ooff valve (239) and collection pipe (24) intercommunication.

Technical Field

The invention belongs to the field of lithium battery material demagnetizing equipment, and particularly relates to a lithium battery negative electrode material demagnetizing device.

Background

The lithium ion storage battery has the characteristics of high specific energy, low self-discharge, high working voltage, environmental friendliness, no memory effect and the like, and has wider and wider application; the lithium battery cathode material is mainly a carbon cathode material, and the cathode materials which are actually used in the lithium battery at present are basically carbon materials, such as artificial graphite, natural graphite, mesocarbon microbeads, petroleum coke, carbon fibers, pyrolytic resin carbon and the like; in the preparation process of the cathode material, part of the working procedures need to crush the powder to reach the required powder particle size range and demagnetize to ensure the content of the split heavy magnetic substance, and if part of the magnetic substance is mixed or the cathode material has magnetism in the processing process of the cathode material, the quality of the cathode material can be seriously influenced, and further the production of the battery is influenced; the traditional demagnetizing device has the disadvantages of rigid structure, single function, low demagnetizing efficiency and poor effect.

Disclosure of Invention

The invention provides a demagnetizing device for a negative electrode material of a lithium battery, which is used for overcoming the defects in the prior art.

The invention is realized by the following technical scheme:

a demagnetizing device for negative electrode materials of lithium batteries comprises a box body, wherein a feeding port is arranged at the top of the box body, a distributing barrel is fixedly arranged at the inner end of the feeding port, the bottom of the distributing barrel is communicated with two symmetrical distributing pipes which respectively face the left side and the right side through a second switch valve, a transverse shaft is fixedly arranged between the left inner wall and the right inner wall of the box body, a cylindrical pipe body of a coaxial line is sleeved on the transverse shaft, a cylindrical cavity which is coaxial with the cylindrical pipe body is arranged in the cylindrical pipe body, a vertical electric telescopic rod is fixedly arranged on the left end face and the right end face of the cylindrical cavity by taking the transverse shaft as the center, tile-shaped clamping blocks are fixedly arranged at the movable ends of the electric telescopic rods, external threads are arranged on the side faces of the transverse shaft, internal threads are arranged on concave faces of the tile-shaped clamping blocks, an inner gear ring coaxial with the cross shaft is arranged between the two first slide blocks, the outer side surface of the inner gear ring is respectively and fixedly connected with the two first slide blocks, a transverse stepping motor is fixedly arranged on the cross shaft, a first gear is fixedly sleeved on an output shaft of the stepping motor, the first gear is mutually meshed with the inner gear ring, a second annular slide rail coaxial with the cross shaft is fixedly arranged on the side surface of the inner gear ring facing to one side of the stepping motor, a second slide block is arranged on the second annular slide rail in a matching way, the second slide block is fixedly connected with the stepping motor, a plurality of transverse strip-shaped cavities which are uniformly distributed in an annular way are arranged in the wall of the cylindrical pipe body, magnetic rods are fixedly arranged in the strip-shaped cavities, a sleeve pipe is sleeved on the outer side of the cylindrical pipe body and is in a matching way of inserting connection with the outer side surface of the cylindrical pipe body, the, the bottom of the secondary demagnetizing device is communicated with the discharge hole through two material collecting pipes.

The demagnetizing device for the negative electrode material of the lithium battery comprises a transverse third slide rail fixedly arranged on the left side and the right side of the lower end of the outer pipe wall of the sleeve pipe respectively, a third slide block is arranged on the third slide rail in a matched mode, a collecting box is fixedly arranged on the second slide block, grooves are formed in the lower portions of the left end and the right end of the pipe wall of the sleeve pipe, transverse steering gears are fixedly arranged in the grooves, magnetic material scraping barrels are fixedly arranged at the outer ends of steering shafts of the steering gears, and through holes are formed in the top surfaces of the collecting boxes corresponding to the magnetic material scraping barrels.

According to the demagnetizing device for the negative electrode material of the lithium battery, the magnetic material scraping cylinder is in a bucket shape, and an inclined surface is arranged at the opening end of one vertical plate close to the cylindrical pipe body.

As above a lithium cell cathode material demagnetizer, second grade demagnetizer include little big-end-up's toper bucket down, toper bucket side passes through support and box inside wall fixed connection, the toper bucket top surface rotates the annular plate that is connected with the coaxial line, the inboard fixed mounting of annular plate has the horizontal pole, horizontal pole side lower part fixed mounting has the magnetism montant of many horizontal equipartitions, annular plate bottom surface fixed mounting has the annular ring gear of tooth face down, toper bucket side fixed mounting first motor, the cover is established the second gear on the output shaft of first motor, second gear and annular ring gear flank of tooth intermeshing, toper bucket bottom is through first ooff valve and collection material pipe intercommunication.

The invention has the advantages that: the stepping motor is started, the stepping motor drives the first gear to rotate, then the first gear is meshed with the inner gear ring and rotates, the inner gear ring drives the cylindrical pipe body to rotate due to the fixed position of the stepping motor, the cylindrical pipe body is located below the left side distributing pipe in an initial state, a negative electrode material of the lithium battery enters the distributing barrel through the feeding hole, the second switch valve controls the left side distributing pipe to be opened, the negative electrode material falls downwards through the left side distributing pipe, touches the cylindrical pipe body in the falling process and is adsorbed to the left part of the outer side surface of the cylindrical pipe body by the magnetic rod, the left part of the outer side surface exposed in the rotating process of the cylindrical pipe body adsorbs the magnetic substance, at the moment, the movable rod of the electric telescopic rod extends, the inner thread of the tile-shaped clamping block is matched with the outer thread of the transverse shaft, the cylindrical pipe body moves rightwards and transversely, the second switch valve controls the left side, along with relative transverse movement of a sleeve fixed with the box body and the cylindrical pipe body, the magnetic substances on the outer side surface of the cylindrical pipe body are pushed to the left end by the end surface of the wall of the sleeve and finally gathered at the position, close to the magnetic rod, of the left end surface of the cylindrical pipe body, when the cylindrical pipe body moves to the position, where the left end surface of the cylindrical pipe body is flush with the left end surface of the sleeve, the movable rod of the electric telescopic rod is shortened, and the magnetic substance collecting device at the left end of the sleeve collects the; then the stepping motor rotates reversely to drive the cylindrical tube body to rotate reversely, the second switch valve controls the right side distributing tube to be opened, the cathode material falls down after the right side distributing tube, the cathode material touches the cylindrical tube body and is adsorbed on the right part of the outer side surface of the cylindrical tube body by the magnetic rod in the falling process, the exposed right part of the outer side surface of the cylindrical tube body in the rotating process is adsorbed with magnetic substances, the movable rod of the electric telescopic rod extends, the cylindrical tube body moves leftwards and transversely under the matching of the internal thread of the tile-shaped clamping block and the external thread of the transverse shaft, the second switch valve controls the right side distributing tube to be closed, the first sliding block slides rightwards on the first sliding rail to keep the transverse position of the inner gear ring unchanged, along with the relative transverse movement of the sleeve and the cylindrical tube body fixed with the box body, the magnetic substance on the outer side surface of the cylindrical tube body is pushed to the right end surface of the sleeve, the movable rod of the electric telescopic rod is shortened, the magnetic substance collecting device at the right end of the sleeve collects the magnetic substance at the end face of the right end, the magnetic substance is circulated and reciprocated, the negative electrode material which is not adsorbed on the outer side surface of the cylindrical tube body by the magnetic rod falls into the secondary demagnetizing device below, and the negative electrode material is discharged from the discharge port through the material collecting pipe after being stirred and demagnetized by the secondary demagnetizing device; the cylindrical tube body reciprocates left and right in the sleeve, so that adsorption and collection actions on two sides are performed in a staggered mode, the working efficiency of the device is improved, the content of magnetic substances in the cathode material can be effectively controlled through multiple adsorption or demagnetization of the magnetic rod and the secondary demagnetization device, and the efficient demagnetization effect is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a schematic structural view of a cylindrical tube; FIG. 3 is an enlarged view of section II of FIG. 2; FIG. 4 is an enlarged view of section III of FIG. 2; fig. 5 is an enlarged view of a portion IV of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A demagnetizing device for negative electrode materials of lithium batteries comprises a box body 1, wherein a feed inlet 2 is arranged at the top of the box body 1, a distributing barrel 3 is fixedly arranged at the inner end of the feed inlet 2, the bottom of the distributing barrel 3 is communicated with two symmetrical distributing pipes 4 facing the left side and the right side respectively through a second switch valve, a transverse shaft 5 is fixedly arranged between the left inner wall and the right inner wall of the box body 1, a coaxial cylindrical pipe body 6 is sleeved on the transverse shaft 5, a cylindrical cavity 7 coaxial with the cylindrical pipe body 6 is arranged in the cylindrical pipe body 6, a vertical electric telescopic rod 8 is fixedly arranged on the left end surface and the right end surface of the cylindrical cavity 7 by taking the transverse shaft 5 as the center, tile-shaped clamping blocks 9 are fixedly arranged at the movable ends of the electric telescopic rods 8, external threads are arranged on the side surfaces of the transverse shaft 5, internal threads are arranged on the concave surfaces of the tile-, the first slide rails 10 are all provided with first slide blocks 11 in a matching way, an inner gear ring 12 coaxial with the cross shaft 5 is arranged between the two first slide blocks 11, the outer side surface of the inner gear ring 12 is respectively and fixedly connected with the two first slide blocks 11, the cross shaft 5 is fixedly provided with a transverse stepping motor 13, an output shaft of the stepping motor 13 is fixedly sleeved with a first gear 14, the first gear 14 is mutually meshed with the inner gear ring 12, the side surface of the inner gear ring 12 facing one side of the stepping motor 13 is fixedly provided with a second annular slide rail 15 coaxial with the cross shaft 5, the second annular slide rail 15 is provided with a second slide block 16 in a matching way, the second slide block 16 is fixedly connected with the stepping motor 13, the pipe wall of the cylindrical pipe body 6 is internally provided with a plurality of transverse and annularly and uniformly distributed bar-shaped cavities 17, magnetic rods 18 are all fixedly arranged in the bar-shaped cavities 17, the sleeve 19 is fixedly connected with the inner wall of the box body 1 through a support, the lower parts of two ends of the pipe wall of the sleeve 19 are respectively provided with a magnetic substance collecting device, the lower part of the box body 1 is fixedly provided with two sets of secondary demagnetizing devices through the support, and the bottoms of the secondary demagnetizing devices are respectively communicated with a discharge hole 25 through two material collecting pipes 24. The step motor 13 is turned on, the step motor 13 drives the first gear 14 to rotate, then the first gear 14 is meshed with the inner gear ring 12 and rotates, the inner gear ring 13 drives the cylindrical pipe body 6 to rotate because the step motor 13 is fixed in position, the cylindrical pipe body 6 is positioned below the left side distributing pipe 4 in an initial state, the lithium battery cathode material enters the distributing barrel 3 from the feeding port 2, the second switch valve controls the left side distributing pipe 4 to be opened, the cathode material falls down after passing through the left side distributing pipe 4, the cathode material touches the cylindrical pipe body 6 in the falling process and is adsorbed on the left part of the outer side surface of the cylindrical pipe body 6 by the magnetic rod 18, the magnetic material is adsorbed on the left part of the outer side surface exposed in the rotating process of the cylindrical pipe body 6, at the moment, the movable rod of the electric telescopic rod 8 extends, so that the internal thread of the tile-shaped clamping block 9 is matched with the external thread of the, the first sliding block 11 slides leftwards on the first sliding rail 10 to enable the inner gear ring 12 to keep the transverse position unchanged, along with relative transverse movement of a sleeve 19 fixed with the box body 1 and the cylindrical pipe body 6, the magnetic substance on the outer side surface of the cylindrical pipe body 6 is pushed to the left end by the pipe wall end surface of the sleeve 19 and finally gathered at the position, close to the magnetic rod 18, of the left end surface of the cylindrical pipe body 6, when the cylindrical pipe body 6 moves to the position, where the left end surface of the cylindrical pipe body is flush with the left end surface of the sleeve 19, the movable rod of the electric telescopic rod 8 is shortened, and the magnetic substance collecting device at the left end; then the stepping motor 13 rotates reversely to drive the cylindrical tube body 6 to rotate reversely, the second switch valve controls the right side distributing tube 4 to be opened, the cathode material falls down after passing through the right side distributing tube 4, touches the cylindrical tube body 6 in the falling process and is adsorbed on the right part of the outer side surface of the cylindrical tube body 6 by the magnetic rod 18, the magnetic material is adsorbed on the right part of the outer side surface exposed in the rotation process of the cylindrical tube body 6, the movable rod of the electric telescopic rod 8 extends, the cylindrical tube body 6 transversely moves leftwards under the matching of the internal thread of the tile-shaped clamping block 9 and the external thread of the transverse shaft 5, the second switch valve controls the right side distributing tube 4 to be closed, the first slide block 11 slides rightwards on the first slide rail 10 to keep the inner gear ring 12 at a constant transverse position, and along with the relative transverse movement of the sleeve 19 fixed with the box body 1 and the cylindrical tube body 6, the end surface of the sleeve 19 pushes the right end, when the cylindrical pipe body 6 moves to the right end face and is flush with the right end face of the sleeve 19, the movable rod of the electric telescopic rod 8 is shortened, the magnetic substance collecting device at the right end of the sleeve 19 collects the magnetic substance at the right end face, the magnetic substance is circulated and reciprocated, the negative electrode material which is not adsorbed on the outer side face of the cylindrical pipe body 6 by the magnetic rod 18 falls into the secondary demagnetizing device below, and the negative electrode material is stirred by the secondary demagnetizing device and is demagnetized and then is discharged from the discharge port 25 through the material collecting pipe 24; the device has the advantages of ingenious structure and reasonable design, the cylindrical pipe body 6 reciprocates left and right in the sleeve 19, so that the adsorption and collection actions on two sides are carried out in a staggered manner, the working efficiency of the device is improved, and the content of magnetic substances in the cathode material can be effectively controlled through multiple adsorption or demagnetization of the magnetic rod 18 and the secondary demagnetizing device, so that the high-efficiency demagnetizing effect is achieved.

Specifically, as shown in the figures, the magnetic material collecting device in this embodiment includes horizontal third slide rails 211 respectively fixedly installed on the left and right sides of the lower end of the outer pipe wall of the sleeve 19, a third slide block 214 is installed on the third slide rails 211 in a matched manner, a collecting box 212 is fixedly installed on the second slide block 214, grooves 213 are formed in the lower portions of the left and right ends of the pipe wall of the sleeve 19, horizontal steering gears 215 are fixedly installed in the grooves 213, magnetic material scraping cylinders 216 are fixedly installed at the outer ends of steering shafts of the steering gears 215, and through holes 217 are formed in the top surfaces of the collecting box 212 corresponding to the magnetic material scraping cylinders. After sleeve pipe 19 pushed magnetic substance to cylindrical tube body 6 terminal surface, steering wheel 215 rotated magnetic substance and scraped a section of thick bamboo 216 and made the scraping surface and the laminating of cylindrical tube body 6 terminal surface, along with the rotation of cylindrical tube body 6, magnetic substance scraped a section of thick bamboo 216 and scraped a section of thick bamboo with the magnetic substance on the cylindrical tube body 6 terminal surface in, then steering wheel 215 rotated magnetic substance and scraped a section of thick bamboo 216, make magnetic substance scrape a section of thick bamboo 216 nozzle and aim at through-hole 217, thereby make magnetic substance scrape the magnetic substance in the section of thick bamboo 216 and fall into collecting box 212, when collecting box 212 was full, can roll-off slider 214, quick replacement collecting box 212.

Specifically, as shown in the drawings, the magnetic material scraping cylinder 216 of the present embodiment is in a bucket shape, and an inclined surface is formed at an opening end of the magnetic material scraping cylinder close to one vertical plate of the cylindrical pipe body 6. The inclined plane is used as a shovel port, which is beneficial for the magnetic substance scraping cylinder 216 to scrape the magnetic substance away from the end face of the cylindrical pipe body 6.

Further, as shown in the figure, the secondary demagnetizing device described in this embodiment includes a tapered barrel 231 with a small bottom and a large top, the side surface of the tapered barrel 231 is fixedly connected to the inner side wall of the box 1 through a bracket, the top surface of the tapered barrel 231 is rotatably connected to a coaxial annular plate 233, a cross bar 234 is fixedly mounted on the inner side of the annular plate 233, a plurality of magnetic vertical bars 235 are transversely and uniformly distributed on the lower portion of the side surface of the cross bar 234, an annular gear ring 236 with a downward tooth surface is fixedly mounted on the bottom surface of the annular plate 233, a first motor 237 is fixedly mounted on the side surface of the tapered barrel 231, a second gear 238 is sleeved on the output shaft of the first motor 237, the second gear 238 is meshed with the tooth surface of the annular gear ring 236. The first motor 237 drives the second gear 238 to rotate, so that the annular gear 236 and the annular plate 233 rotate around the axis, the magnetic vertical rod 235 also rotates at the same time, the negative electrode material falling into the conical barrel 231 is stirred, the magnetic substance in the negative electrode material is removed by the chaotic magnetic field generated by the rotation change of the magnetic vertical rod 235, and then the first switch valve 239 is opened, and the negative electrode material falls out of the conical barrel 231.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.