阅读说明：本技术 一种锂电池用电解液制备装置 (Electrolyte preparation facilities for lithium cell ) 是由 商圣虎 齐彬 张君宝 郑宇航 赵富强 于 2020-12-29 设计创作，主要内容包括：本发明属于锂电池生产技术领域,尤其是一种锂电池用电解液制备装置,针对电解液运输过程出现结晶的问题,现提出以下方案,包括箱体,箱体内壁转动连接有多个驱动轴,驱动轴上套设固定有传动轮,传动轮上套设有传送带,所述传送带顶部粘接有固定杆,固定杆顶部固定有托板,托板顶部开设有滑槽,滑槽内滑动连接有滑块,滑块顶部固定有接料盆,接料盆一侧固定有聚料箱和连接管,接料盆一侧开设有进料口,进料口截面设置成倒八字形。本发明中,电解液落到接料盆后,接料盆受力跟随滑块在滑槽内移动,由于滑槽截面设置成弧形,使得接料盆在滑槽内来回运动,同时使得电解液在接料盆内进行晃动,从而均匀受热,防止出现结晶现象。(The invention belongs to the technical field of lithium battery production, and particularly relates to an electrolyte preparation device for a lithium battery, aiming at the problem of crystallization in the electrolyte transportation process, the device comprises a box body, wherein the inner wall of the box body is rotatably connected with a plurality of driving shafts, driving wheels are fixedly sleeved on the driving shafts, conveyor belts are sleeved on the driving wheels, fixing rods are bonded on the tops of the conveyor belts, supporting plates are fixedly arranged on the tops of the fixing rods, sliding grooves are formed in the tops of the supporting plates, sliding blocks are connected in the sliding grooves in a sliding mode, material receiving basins are fixedly arranged on the tops of the sliding blocks, material collecting boxes and connecting pipes are fixedly arranged on one sides of the material receiving basins. According to the invention, after the electrolyte falls into the material receiving basin, the material receiving basin is stressed to move in the sliding groove along with the sliding block, and the cross section of the sliding groove is arc-shaped, so that the material receiving basin moves back and forth in the sliding groove, and meanwhile, the electrolyte is shaken in the material receiving basin, so that the electrolyte is uniformly heated, and the crystallization phenomenon is prevented.)

1. An electrolyte preparation device for a lithium battery comprises a box body (1), wherein a plurality of support legs (2) are fixed at the bottom of the box body (1) through bolts, the inner wall of the rear end of the box body (1) is rotatably connected with a plurality of driving shafts (4) through bearings, driving wheels (5) are fixedly sleeved on the driving shafts (4), the plurality of driving wheels (5) are sleeved with one conveying belt (6), a heater (3) is arranged above the conveying belt (6), the electrolyte preparation device is characterized in that a fixing rod (7) is bonded at the top of the conveying belt (6), a supporting plate (8) is fixed at the top of the fixing rod (7) through bolts, a sliding groove (9) is formed at the top of the supporting plate (8), the sliding grooves (9) and the cross sections of the supporting plate (8) are both arc-shaped, a sliding block (10) is slidably connected in the sliding groove (9), a material receiving basin, and connect material basin (12) slope to set up, connect material basin (12) one side to be fixed with and gather workbin (13) and connecting pipe (14), connect material basin (12) to be close to gather workbin (13) one side and run through and seted up feed inlet (15), gather workbin (13) and feed inlet (15) and connecting pipe (14) and all communicate, feed inlet (15) cross-section sets to the splayed.

2. The electrolyte preparation device for the lithium battery as recited in claim 1, wherein a plurality of third permanent magnets (28) are embedded and fixed at the bottom of the inner wall of the chute (9) and are uniformly distributed, a fourth permanent magnet (29) is embedded and fixed at the bottom of the slide block (10), and like magnetic poles of the third permanent magnet (28) and the fourth permanent magnet (29) are arranged oppositely.

3. The electrolyte preparation apparatus for lithium battery as recited in claim 1, wherein the same first spring (11) is fixed between the slide block (10) and the inner wall of the slide groove (9) by means of bolts.

4. The electrolyte preparation device for the lithium battery as recited in claim 1, wherein a first support rod (17) is fixed on one side of the material receiving basin (12) far away from the material collecting box (13) through a bolt, a second support rod (18) is rotatably connected to the outer side of the first support rod (17) through a bearing, a counterweight column (20) is fixed on the outer side of the second support rod (18) through a bolt, and a same second spring (19) is fixed between the first support rod (17) and the second support rod (18) through a bolt.

5. The electrolyte preparation apparatus for lithium battery as recited in claim 1, wherein a plurality of turbulence blocks (16) are fixed at the bottom inside the receiving basin (12), and the turbulence blocks (16) are arranged in a shape of riprap.

6. The device for preparing the electrolyte for the lithium battery as recited in claim 4, wherein a groove is formed in the inner side of the counterweight column (20), a first permanent magnet (21) is bonded in the groove, a second permanent magnet (22) is fixed on one side of the material receiving basin (12) close to the first permanent magnet (21) in a nested manner, and different magnetic poles of the first permanent magnet (21) and the second permanent magnet (22) are arranged oppositely.

7. The electrolyte preparation device for the lithium battery as recited in claim 1, wherein a plurality of uneven stress blocks (23) are fixed on the inner wall of the side of the receiving basin (23) far away from the material collecting box (13), and the cross section of each stress block (23) is arranged into an arc shape.

8. The electrolyte preparation device for the lithium battery as recited in claim 1, wherein the inner wall of the feed inlet (15) is rotatably connected with a straight shaft (24) through a bearing, and a plurality of turning pieces (25) distributed in an annular array are fixed on the outer circumferential wall of the straight shaft (24) through bolts.

9. The electrolyte preparation apparatus for a lithium battery according to claim 8, wherein the turning sheet (25) is provided with a first turning portion (26) and a second turning portion (27), the first turning portion (26) having a saw-tooth-shaped cross section, and the second turning portion (27) having an S-shaped cross section.

Technical Field

The invention relates to the technical field of lithium battery production, in particular to an electrolyte preparation device for a lithium battery.

Background

A lithium battery is a battery using a nonaqueous electrolyte solution and lithium metal or a lithium alloy as a negative electrode material, and therefore such a battery is also called a lithium metal battery. Unlike other batteries, lithium batteries have the characteristics of high charge density, long service life, high unit cost and the like. Lithium batteries can produce voltages of 1.5V (equivalent to zinc-carbon or alkaline batteries) to 3.7V depending on the structural design and the electrode material.

The electrolyte plays an important role in the production of lithium batteries, and in nature, metal ions such as the lithium ions exist in the form of metal compounds, so that enough electrolyte must be prepared in order to obtain more elementary metals. In the industrial electrolysis process, the electrolyte can be crystallized during transportation, so that the transportation channel is blocked, the purity of the electrolyte, namely the electrolysis efficiency, is influenced, and the problem is correspondingly improved.

Disclosure of Invention

Based on the technical problem that crystallization occurs in the electrolyte transportation process, the invention provides an electrolyte preparation device for a lithium battery.

The invention provides an electrolyte preparation device for a lithium battery, which comprises a box body, wherein a plurality of support legs are fixed at the bottom of the box body through bolts, a plurality of driving shafts are rotatably connected on the inner wall of the rear end of the box body through bearings, driving wheels are fixedly sleeved on the driving shafts, a same conveying belt is sleeved on the driving wheels, a heater is arranged above the conveying belt, the top of the conveying belt is bonded with a fixed rod, the top of the fixed rod is fixed with a supporting plate through a bolt, the top of the supporting plate is provided with a chute, the chute and the cross section of the supporting plate are both arranged into an arc shape, a sliding block is connected in the chute in a sliding way, the top of the sliding block is fixed with a material receiving basin through a bolt, the cross section of the material receiving basin is arranged into an arc, and connect the material basin slope to set up, connect material basin one side to be fixed with and gather workbin and connecting pipe, connect the material basin to be close to gather workbin one side and run through and seted up the feed inlet, gather workbin and feed inlet and connecting pipe and all communicate, the feed inlet cross-section sets to the splayed.

Preferably, a plurality of third permanent magnets which are uniformly distributed are fixed at the bottom of the inner wall of the sliding groove in an embedded mode, a fourth permanent magnet is fixed at the bottom of the sliding block in an embedded mode, and like magnetic poles of the third permanent magnet and the fourth permanent magnet are arranged oppositely.

Preferably, the same first spring is fixed between the sliding block and the inner wall of the sliding groove through a bolt.

Preferably, the material receiving basin is kept away from and gathers workbin one side and is fixed with first branch through the bolt, and the first branch outside is connected with the second branch through the bearing rotation, and the second branch outside is fixed with the counter weight post through the bolt, is fixed with same second spring through the bolt between first branch and the second branch.

Preferably, a plurality of turbulence blocks are fixed at the bottom of the interior of the material receiving basin, and the turbulence blocks are arranged in a shape of riprap.

Preferably, the inner side of the counterweight column is provided with a groove, a first permanent magnet is bonded in the groove, a second permanent magnet is fixedly embedded in one side of the material receiving basin close to the first permanent magnet, and the unlike magnetic poles of the first permanent magnet and the second permanent magnet are oppositely arranged.

Preferably, a plurality of uneven stress blocks are fixed on the inner wall of one side, away from the material collecting box, of the material receiving basin, and the cross sections of the stress blocks are arranged into an arc shape.

Preferably, the inner wall of the feeding port is rotatably connected with a straight shaft through a bearing, and a plurality of turnover pieces distributed in an annular array are fixed on the circumferential outer wall of the straight shaft through bolts.

Preferably, the turning sheet is provided with a first turning part and a second turning part, the cross section of the first turning part is zigzag, and the cross section of the second turning part is S-shaped.

Compared with the prior art, the invention provides an electrolyte preparation device for a lithium battery, which has the following beneficial effects:

1. the electrolyte preparation device for the lithium battery comprises a material receiving basin, wherein the material receiving basin is arranged to receive and convey electrolyte on an external feeding mechanism, when the electrolyte falls into the material receiving basin, the material receiving basin is stressed and moves in a sliding groove along with a sliding block, the cross section of the sliding groove is arranged into an arc shape, so that the material receiving basin can move back and forth in the sliding groove, and meanwhile, the electrolyte can rock in the material receiving basin, so that the electrolyte is uniformly heated, crystallization is prevented, further, the cross section of the material receiving basin is arranged into an arc shape, and the material receiving basin is obliquely arranged, so that the instability of the material receiving basin can be improved, a good rocking effect is maintained after the electrolyte is stressed and rocked, and when the electrolyte is received, the electrolyte is prevented from overflowing laterally, further, part of the electrolyte can enter a material collecting box from a feeding port and gradually flows out from a connecting pipe, so that the whole weight of, the torque generated by the integral material gathering box to the material receiving basin is in a changing state, so that the back and forth shaking of the material receiving basin is further promoted, the cross section of a further feed inlet is arranged in an inverted splayed shape, so that the electrolyte can be guided, the electrolyte can conveniently enter the material gathering box, the first spring is further arranged, the shaking displacement of the material receiving basin can be reduced, the shaking frequency is improved, the shaking amplitude of the electrolyte in the material receiving basin is improved, the electrolyte is promoted to be uniformly heated, the crystallization is prevented, further, the integral gravity of the material receiving basin is balanced through the magnetic repulsion force between the third permanent magnet and the fourth permanent magnet, so that the friction resistance between the material receiving basin and a support plate in the moving process is reduced, the shaking process of the material receiving basin is further promoted, the counterweight column is further arranged, when the material receiving basin is in the shaking process, the counterweight column is subjected to the inertia effect, so that the second spring performs the telescopic motion, second branch can take place to rotate round first branch to make the arm of force that the counter weight post was used in on connecing the material basin be in the change state, consequently further promote to connect rocking of material basin, further be provided with the vortex piece, the vortex piece sets to the indiscriminate stone form, can make electrolyte and vortex piece take place the collision, strengthens the mobility of electrolyte self, thereby further make to be heated evenly, prevents the crystallization phenomenon.

2. The electrolyte preparation device for the lithium battery is provided with the first permanent magnet and the second permanent magnet, the binding force to the counterweight column in the rotating process is increased through the magnetic attraction between the first permanent magnet and the second permanent magnet, thereby reducing the overall amplitude of the rotation of the counterweight column around the first support rod, improving the rotation frequency of the counterweight column, thereby further promoting the shaking frequency of the receiving basin, improving the shaking amplitude of the electrolyte in the receiving basin and preventing crystallization, further arranging uneven stress blocks with arc-shaped cross sections, the roughness of the inner wall of the receiving basin can be increased, the friction resistance to the electrolyte is increased when the electrolyte is received, thereby obtain bigger kinetic energy to further improve and rock the effect, and rock the in-process at electrolyte, strengthen the mobility of electrolyte self, make and be heated evenly.

3. This kind of electrolyte preparation facilities for lithium cell, through setting up the turn-down piece, when electrolyte rocks in the feed inlet position, it rotates to drive the turn-down piece, pivoted turn-down piece not only promotes the mobility of electrolyte self, further can accelerate in electrolyte enters into the gathering box, and be provided with first turn-down portion and second turn-down portion, first turn-down portion cross-section sets up the zigzag, second turn-down portion cross-section sets up the S-shaped, thereby increase the roughness on turn-down piece surface, thereby obtain bigger rotational speed, play the promotion effect to above-mentioned effect.

Drawings

FIG. 1 is a schematic structural diagram of an electrolyte preparation apparatus for a lithium battery according to the present invention;

FIG. 2 is an enlarged schematic view of the structure A of an electrolyte preparation device for a lithium battery according to the present invention;

FIG. 3 is a schematic view of a three-dimensional structure of a receiving basin of an electrolyte preparation device for a lithium battery according to the present invention;

FIG. 4 is an enlarged schematic view of a structure B of an electrolyte preparation device for a lithium battery according to the present invention;

fig. 5 is a schematic cross-sectional structural view of a material receiving basin of an electrolyte preparation device for a lithium battery according to embodiment 2 of the present invention;

fig. 6 is an enlarged schematic view of a structure C of an electrolyte preparation apparatus for a lithium battery according to embodiment 3 of the present invention.

In the figure: the device comprises a box body 1, support legs 2, a heater 3, a driving shaft 4, a driving wheel 5, a conveyor belt 6, a fixing rod 7, a supporting plate 8, a sliding groove 9, a sliding block 10, a first spring 11, a material receiving basin 12, a material gathering box 13, a connecting pipe 14, a material inlet 15, a flow disturbing block 16, a first supporting rod 17, a second supporting rod 18, a second spring 19, a counterweight column 20, a first permanent magnet 21, a second permanent magnet 22, a force bearing block 23, a straight shaft 24, a material turning piece 25, a first material turning part 26, a second material turning part 27, a third permanent magnet 28 and a fourth permanent magnet 29.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-4, an electrolyte preparation device for lithium batteries comprises a box body 1, wherein a plurality of support legs 2 are fixed at the bottom of the box body 1 through bolts, a plurality of driving shafts 4 are rotatably connected with the inner wall of the rear end of the box body 1 through bearings, driving wheels 5 are fixedly sleeved on the driving shafts 4, a same conveying belt 6 is sleeved on the driving wheels 5, a heater 3 is arranged above the conveying belt 6, a fixed rod 7 is bonded at the top of the conveying belt 6, a supporting plate 8 is fixed at the top of the fixed rod 7 through bolts, a sliding groove 9 is arranged at the top of the supporting plate 8, the sections of the sliding groove 9 and the supporting plate 8 are both arranged into an arc shape, a sliding block 10 is connected in the sliding groove 9, a material receiving basin 12 is fixed at the top of the sliding block 10 through bolts, the section of the material receiving basin 12 is arranged into an arc shape, the material receiving basin, the material gathering box 13 and the feeding hole 15 are communicated with the connecting pipe 14, and the section of the feeding hole 15 is arranged in an inverted splayed shape.

According to the invention, a plurality of uniformly distributed third permanent magnets 28 are fixed at the bottom of the inner wall of the chute 9 in an embedded manner, a fourth permanent magnet 29 is fixed at the bottom of the sliding block 10 in an embedded manner, and like magnetic poles of the third permanent magnets 28 and the fourth permanent magnets 29 are oppositely arranged, so that the integral gravity of the material receiving basin 12 can be balanced by the magnetic repulsion force between the third permanent magnets 28 and the fourth permanent magnets 29, and the friction resistance between the material receiving basin 12 and the supporting plate 8 in the moving process can be reduced, and the shaking process of the material receiving basin 12 can be further promoted.

In the invention, the same first spring 11 is fixed between the sliding block 10 and the inner wall of the sliding groove 9 through bolts, so that the shaking displacement of the material receiving basin 12 can be reduced, the shaking frequency is improved, and the shaking amplitude of the electrolyte in the material receiving basin 12 is improved.

According to the invention, a first supporting rod 17 is fixed on one side of the material receiving basin 12, which is far away from the material collecting box 13, through a bolt, a second supporting rod 18 is rotatably connected to the outer side of the first supporting rod 17 through a bearing, a counterweight column 20 is fixed on the outer side of the second supporting rod 18 through a bolt, a same second spring 19 is fixed between the first supporting rod 17 and the second supporting rod 18 through a bolt, the counterweight column 20 is under the inertia effect, so that the second spring 19 performs telescopic motion, the second supporting rod 18 rotates around the first supporting rod 17, and the force arm of the counterweight column 20, which acts on the material receiving basin 12, is in a changing state, thereby further promoting the shaking of the material receiving basin 12.

In the invention, a plurality of flow disturbing blocks 16 are fixed at the bottom inside the material receiving basin 12, and the flow disturbing blocks 16 are arranged in a disorder stone shape, so that the self fluidity of the electrolyte can be enhanced, the heating is further uniform, and the crystallization phenomenon is prevented.

When the device is used, the driving shaft 4 is connected with an external driving motor, the driving motor and the heater 3 are started, the driving motor drives the driving wheel 5 and the conveying belt 6 to rotate, the receiving basin 12 receives and conveys the electrolyte on the external feeding mechanism, after the electrolyte falls into the receiving basin 12, the receiving basin 12 is stressed and moves in the chute 9 along with the sliding block 10, meanwhile, the electrolyte can shake in the receiving basin 12 due to the inertia effect, the receiving basin 12 can move back and forth in the chute 9 due to the arc-shaped section of the chute 9, meanwhile, the electrolyte can shake in the receiving basin 12, so that the electrolyte is uniformly heated, the crystallization phenomenon is prevented, further, the arc-shaped section of the receiving basin 12 is arranged, the instability of the receiving basin 12 can be improved due to the inclined arrangement of the receiving basin 12, the good shaking effect is maintained after the electrolyte is stressed and shakes, and when the electrolyte is received, prevent the electrolyte from overflowing laterally, further, part of electrolyte can enter the material gathering box 13 from the feed inlet 15 and gradually flows out from the connecting pipe 14, so that the whole weight of the material gathering box 13 is in a change state, and the moment generated by the whole material gathering box 13 to the material receiving basin 12 is in a change state, so as to further promote the back and forth shaking of the material receiving basin 12, further, the cross section of the feed inlet 15 is arranged in an inverted splayed shape, so as to guide the electrolyte to enter the material gathering box 13, further, the first spring 11 is arranged, so as to reduce the shaking displacement of the material receiving basin 12, improve the shaking frequency, improve the shaking amplitude of the electrolyte in the material receiving basin 12, promote the electrolyte to be heated uniformly, prevent crystallization, further, balance the whole gravity of the material receiving basin 12 through the magnetic repulsion force between the third permanent magnet 28 and the fourth permanent magnet 29, so as to reduce the friction resistance between the material receiving basin 12 and the supporting plate 8 in the moving process, thereby further promote the process of rocking of connecing material basin 12, further be provided with counter weight post 20, when connecing material basin 12 at the in-process of rocking, counter weight post 20 receives the inertial action, make second spring 19 carry out concertina movement, second branch 18 can take place to rotate round first branch 17, thereby make counter weight post 20 act on the arm of force that connects on material basin 12 be in the change state, consequently further promote rocking of connecing material basin 12, further be provided with spoiler block 16, spoiler block 16 sets to the indiscriminate stone form, can make electrolyte and spoiler block 16 bump, strengthen the mobility of electrolyte self, thereby further make to be heated evenly, prevent the crystallization phenomenon.

Example 2

Referring to fig. 1-5, in the electrolyte preparation device for the lithium battery, a groove is formed in the inner side of a counterweight column 20, a first permanent magnet 21 is bonded in the groove, a second permanent magnet 22 is fixed in a nesting manner on one side of a material receiving basin 12 close to the first permanent magnet 21, and the unlike magnetic poles of the first permanent magnet 21 and the second permanent magnet 22 are arranged oppositely.

According to the invention, a plurality of uneven stress blocks 23 are fixed on the inner wall of the material receiving basin 23 far away from the material collecting box 13, the cross section of each stress block 23 is arc-shaped, so that the roughness of the inner wall of the material receiving basin 12 can be increased, the friction resistance to electrolyte is increased when the electrolyte is received, and larger kinetic energy is obtained, so that the shaking effect is further improved, and the flowability of the electrolyte is enhanced in the shaking process of the electrolyte, so that the electrolyte is heated uniformly.

During the use, through the magnetic attraction between first permanent magnet 21 and the second permanent magnet 22, increase the constraint power to the counter weight post 20 rotation in-process, thereby reduce counter weight post 20 and take place pivoted whole range round first branch 17, thereby improve counter weight post 20's rotational frequency, thereby further promote the frequency of rocking of receiving basin 12, thereby improve the range of rocking of electrolyte in receiving basin 12, prevent the crystallization, further be provided with uneven atress piece 23, 23 cross-sections of atress piece set to the arc, can increase the roughness of receiving basin 12 inner wall, when accepting electrolyte, increase the frictional resistance to electrolyte, thereby obtain bigger kinetic energy, thereby further improve and rock the effect, and rock the in-process at electrolyte, strengthen the mobility of electrolyte self, make and be heated evenly.

Example 3

Referring to fig. 1-6, in the electrolyte preparation device for the lithium battery, the inner wall of a feeding hole 15 is rotatably connected with a straight shaft 24 through a bearing, and a plurality of material turning pieces 25 distributed in an annular array are fixed on the circumferential outer wall of the straight shaft 24 through bolts.

In the invention, the material turning sheet 25 is provided with a first material turning part 26 and a second material turning part 27, the section of the first material turning part 26 is arranged in a zigzag shape, and the section of the second material turning part 27 is arranged in an S shape.

During the use, when electrolyte rocks in feed inlet 15 position, drive turn-down piece 25 and rotate, pivoted turn-down piece 25 not only promotes the mobility of electrolyte self, further can accelerate electrolyte and enter into gathering in the case 13, and be provided with first turn-down portion 26 and second turn-down portion 27, first turn-down portion 26 cross-section sets up to the zigzag, second turn-down portion 27 cross-section sets up to the S-shaped, thereby increase the roughness on turn-down piece 25 surface, thereby obtain bigger rotational speed, play the promotion effect to above-mentioned effect.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.