CN109378440B

CN109378440B - Lithium battery feeding mechanism

Info

Publication number: CN109378440B
Application number: CN201811289344.3A
Authority: CN
Inventors: 张斌
Original assignee: Nantong Suochuang Electronic Technology Co ltd
Current assignee: Jiangsu Tuolian Intelligent Technology Co.,Ltd.
Priority date: 2018-10-31
Filing date: 2018-10-31
Publication date: 2021-07-09
Anticipated expiration: 2038-10-31
Also published as: CN109378440A

Abstract

The invention discloses a lithium battery feeding mechanism which comprises a rotary table and a base, wherein the rotary table is rotationally connected to the base, a fixed disc is rotationally connected above the rotary table, a plurality of input pipes are installed in the rotary table, a connecting pipe is installed in the fixed disc, a motor is installed in the base, a driving end of the motor is rotationally connected with a driving shaft, one end, far away from the motor, of the driving shaft is connected with the rotary table, a rotary ring is installed below the fixed disc and is in sliding connection with the rotary table, a one-way mechanism is installed in the connecting pipe, and the lower end of each input pipe is in sliding connection with an output block. According to the invention, the pinion and the gearwheel rotate at the same angle, and because the circumferences of the pinion and the gearwheel are different, the length of a path transmitted by the gearwheel is increased, and correspondingly, when the moving speed of the sliding block is higher than that of the output block, a negative pressure state is formed in the output block, so that electrolyte which does not flow out is retained in the output block, and dripping is avoided.

Description

Lithium battery feeding mechanism

Technical Field

The invention relates to the technical field of lithium battery production, in particular to a lithium battery feeding mechanism.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, and along with the development of scientific technology, the lithium battery becomes a mainstream battery at present, and the non-aqueous electrolyte needs to be filled in the lithium battery during production.

However, no matter electrolyte is added manually or mechanically, since the electrolyte is a liquid substance, the electrolyte is required to be ensured to be fully dropped in the adding process, the overflow of the electrolyte is required to be avoided, if the electrolyte cannot be cut off in time, the electrolyte in a battery cell is possibly added too much, the excessive electrolyte is easy to overflow, when a battery is welded on a cap, the welding is not firm due to the obstruction of the liquid, and even a waste product is generated, if the electrolyte in input equipment is not cut off in time, the electrolyte can be dropped on an operation table, the electrolyte is volatile liquid, toxic gas can be volatilized, the pollution to the factory environment is caused, and even if the electrolyte is cleaned in time, the cleaned solution is also corrosive and difficult to treat.

Disclosure of Invention

The invention aims to solve the defects in the prior art, such as: in the lithium battery processing process, the electrolyte is required to be prevented from dripping in the adding process, and the lithium battery feeding mechanism is provided.

In order to achieve the purpose, the invention adopts the following technical scheme:

a lithium battery feeding mechanism comprises a rotary table and a base, wherein the rotary table is rotatably connected to the base, a fixed disc is rotatably connected above the rotary table, a plurality of input tubes are installed in the rotary table, a connecting tube is installed in the fixed disc, a motor is installed in the base, a driving shaft is rotatably connected to a driving end of the motor, one end, away from the motor, of the driving shaft is connected with the rotary table, a rotating ring is installed below the fixed disc and is slidably connected with the rotary table, a one-way mechanism is installed in the connecting tube, the lower end of each input tube is slidably connected with an output block, a plurality of thin cavities are formed in the lower end of the output block, a communicating cavity is formed in the output block, a pair of fixed shafts is fixedly connected above the output block, a plurality of slide rails are arranged on the inner wall of the input tube, and, install the slider in the output block, the slider sets up in the intercommunication intracavity, the one end fixedly connected with slider of slider, the universal driving shaft also with slide rail sliding connection, one side meshing of universal driving shaft is connected with driven gear, one side meshing of fixed axle is connected with the pinion, one side fixedly connected with gear wheel of pinion, gear wheel and driven gear meshing, driven gear, gear wheel and pinion are connected with the inner wall rotation of input tube through connecting axle and input tube.

Preferably, the one-way mechanism includes toper piece and bell jar, the bell jar sets up on the inner wall of connecting pipe, toper piece sliding connection is in the bell jar, still be equipped with the spout on the inner wall of connecting pipe, one side fixedly connected with slide bar of toper piece, slide bar and spout sliding connection, install the spring in the spout, spring and slide bar fixed connection.

Preferably, the lower extreme fixed sliding connection of connecting pipe has the movable sleeve, the spacing groove has been seted up on the outer wall of movable sleeve, the stopper that fixedly connected with and spacing groove correspond on the inner wall of connecting pipe, stopper and spacing groove sliding connection.

Preferably, a sealing layer is arranged on the outer side of the output block, and the sealing layer is made of anti-corrosion rubber.

Preferably, one side of base is provided with the operation panel, fixedly connected with draw-in groove on the operation panel, the joint has battery case in the draw-in groove.

Compared with the prior art, the invention has the beneficial effects that: through the same angle rotation of pinion and gear wheel, because the difference of both girths, then the path length that the gear wheel transmitted away will also increase, corresponding when the speed that the slider removed is higher than output block time, can form the negative pressure state in the output block to stay the electrolyte that does not flow in inside, avoid dripping.

Because the fluid can form pulling force with between the contact surface, increase the contact surface on dielectric and object surface through a plurality of thin chambeies, increase surface tension, guarantee in case the electrolyte is adsorbed inside the output piece, then can not because the random drippage of action of gravity, effectively avoid the waste of electrolyte.

Drawings

Fig. 1 is a schematic structural diagram of a lithium battery charging mechanism according to the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic structural diagram at B in fig. 1.

In the figure: the device comprises an operation table 1, a clamping groove 2, a battery shell 3, an input tube 4, a connecting tube 5, a fixed disc 6, a rotary disc 7, a driving shaft 8, a motor 9, a base 10, a fixed shaft 11, a pinion 12, a gearwheel 13, a sliding rail 14, a driven gear 15, a linkage shaft 16, an output block 17, a sliding block 18, a fine cavity 19, a movable tube 20, a sliding groove 21, a sliding shaft 22, a conical block 23, a conical groove 24, a spring 25 and a rotating ring 26.

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.

Referring to fig. 1-3, a lithium battery feeding mechanism comprises a rotary table 7 and a base 10, wherein the rotary table 7 is rotatably connected to the base 10, a fixed disc 6 is rotatably connected above the rotary table 7, a plurality of input tubes 4 are installed in the rotary table 7, a connecting tube 5 is installed in the fixed disc 6, the lower end of the connecting tube 5 is slidably connected with a movable sleeve 20, a limiting groove is formed in the outer wall of the movable sleeve 20, a limiting block corresponding to the limiting groove is fixedly connected to the inner wall of the connecting tube 5, the limiting block is slidably connected with the limiting groove, a motor 9 is installed in the base 10, a driving end of the motor 9 is rotatably connected with a driving shaft 8, one end, away from the motor 9, of the driving shaft 8 is connected with the rotary table 7, a rotary ring 26 is installed below the fixed disc 6;

wherein, the lower end of each input tube 4 is connected with an output block 17 in a sliding way, the lower end of the output block 17 is provided with a plurality of thin cavities 19, a communicating cavity is arranged in the output block 17, the outer side of the output block 17 is provided with a sealing layer made of anticorrosive rubber, a pair of fixed shafts 11 are fixedly connected above the output block 17, the inner wall of the input tube 4 is provided with a plurality of slide rails 14, the fixed shafts 11 are connected with the slide rails 14 in a sliding way, a slide block 18 is arranged in the output block 17, the slide block 18 is arranged in the communicating cavity, one end of the slide block 18 is fixedly connected with a linkage shaft 16, the linkage shaft 16 is also connected with the slide rails 14 in a sliding way, one side of the linkage shaft 16 is connected with a driven gear 15 in a meshing way, one side of the fixed shaft 11 is connected with a pinion 12 in a meshing way, one side of the pinion 12 is fixedly connected with a, an operation table 1 is arranged on one side of the base 10, a clamping groove 2 is fixedly connected to the operation table 1, and a battery shell 3 is clamped in the clamping groove 2;

wherein, one-way mechanism includes toper piece 23 and tapered groove 24, and tapered groove 24 sets up on the inner wall of connecting pipe 5, and toper piece 23 sliding connection still is equipped with spout 21 in tapered groove 24 in the inner wall of connecting pipe 5, one side fixedly connected with slide axle 22 of toper piece 23, slide axle 22 and spout 21 sliding connection, install spring 25 in the spout 21, spring 25 and slide axle 22 fixed connection.

After the battery shell 3 is placed in the clamping groove 2, the driving end of the motor 9 drives the driving shaft 8 to rotate the driving shaft 8, the driving shaft 8 drives the rotary table 7 to rotate, when the upper end of one input tube 4 in the rotary table 7 rotates to the position of the connecting tube 5, because the movable sleeve 20 can slide in the connecting tube 5, the movable sleeve 20 extends into the input tube 4 under the action of self gravity, the electrolyte is introduced through the upper end of the connecting tube 5, the electrolyte applies pressure to the conical block 23, the spring 25 is compressed, the sliding shaft 22 slides along the sliding groove 21, the conical block 23 is gradually separated from the conical groove 24, the connecting tube 5 is opened, the electrolyte is introduced into the input tube 4 and is output through the output block 17 mounted at the lower end of the input tube 4, and finally the electrolyte is filled into the battery shell 3.

After the electrolyte is added for one time, the conical block 23 is clamped with the conical groove 24 under the action of the elastic force of the spring 25, the connecting pipe 5 is cut off, the electrolyte is prevented from flowing out continuously, meanwhile, the rotary disc 7 rotates, in the rotating process, the output block 17 is contacted with the inner wall of the battery shell 3 and slides upwards under the action of the battery shell 3, the output block 17 drives the fixing shaft 11 to move synchronously in the gradually moving upwards process, because one side of one fixing shaft 11 is meshed and connected with the small gear 12, the small gear 12 rotates, the small gear 12 drives the large gear 13 to rotate synchronously, wherein the small gear 12 and the large gear 13 rotate at the same angle, the large gear 13 is meshed with the driven gear 15, the driven gear 15 is meshed with one side of the linkage shaft 16, wherein the driven gear 15 and the large gear 13 rotate at the same circumference, because the diameter of the large gear 13 is larger than that of the small gear 12, the small gear 12 rotates by an angle, and the large gear 13 rotates by the same angle, but because the circumference of the large gear 13 which passes through the rotation of an angle is longer, under the action of transmission, the moving path of the linkage shaft 16 is longer compared with that of the fixed shaft 11, and in the moving process of the output block 17, the moving speed of the linkage shaft 16 is higher than that of the fixed shaft 11, the moving speed of the slider 18 is higher than that of the output block 17, when the slider 18 moves upwards and is clamped with the upper end of the output block 17, a closed environment is formed in the output block 17, and because the moving speed of the slider 18 is higher than that of the output block 17, a negative pressure state is gradually formed in the output block 17, and electrolyte retained in the output block 17 can be adsorbed in the moving process of the slider 18.

Simultaneously because each thin chamber 19's space is narrow and small, because can form surface tension between fluid and the contact surface, comparatively thin chamber 19 can the greatly increased surface tension effect, thereby adsorb the electrolyte that does not add into battery case 3 in output block 17, effectually avoid dripping, because output block 17's the outside is provided with the isolation layer of rubber material, then if do not let in the electrolyte once more in input tube 4, then output block 17 can not glide down, then adsorb the electrolyte that is detained and also can not drip, effectually avoid the wasting of resources and guarantee the smoothness of later stage battery processing, pivoted carousel 7 can be intermittent type continuous to carry out the material loading of electrolyte to battery case 3 simultaneously, intermittent type pivoted in-process can also add operations such as pole piece or welding block to battery case 3.

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 able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a lithium battery feeding mechanism, includes carousel (7) and base (10), carousel (7) rotates to be connected on base (10), its characterized in that, the top of carousel (7) is rotated and is connected with fixed disk (6), install a plurality of input tube (4) in carousel (7), install connecting pipe (5) in fixed disk (6), install motor (9) in base (10), the drive end of motor (9) rotates and is connected with drive shaft (8), the one end that motor (9) were kept away from in drive shaft (8) is connected with carousel (7), change (26) are installed to the below of fixed disk (6), change (26) and carousel (7) sliding connection, install one-way mechanism in connecting pipe (5), every the equal sliding connection of lower extreme of input tube (4) has output block (17), the lower end of the output block (17) is provided with a plurality of thin cavities (19), a communicating cavity is arranged in the output block (17), a pair of fixed shafts (11) is fixedly connected to the upper portion of the output block (17), a plurality of sliding rails (14) are arranged on the inner wall of the input pipe (4), the fixed shafts (11) are in sliding connection with the sliding rails (14), sliders (18) are installed in the output block (17), the sliders (18) are arranged in the communicating cavity, one ends of the sliders (18) are fixedly connected with linkage shafts (16), the linkage shafts (16) are also in sliding connection with the sliding rails (14), one sides of the linkage shafts (16) are in meshing connection with driven gears (15), one sides of the fixed shafts (11) are in meshing connection with pinions (12), one sides of the pinions (12) are fixedly connected with gear wheels (13), and the gears (13) are in meshing engagement with the driven gears (15), the driven gear (15), the large gear (13) and the small gear (12) are rotationally connected with the inner wall of the input pipe (4) through a connecting shaft; when the sliding block (18) moves upwards and is clamped with the upper end of the output block (17), a closed environment is formed in the output block (17), and because the sliding block (18) moves upwards at a higher speed than the output block (17), a negative pressure state is gradually formed in the output block (17), and electrolyte retained in the output block (17) is adsorbed in the process of moving upwards of the sliding block (18).

2. The lithium battery feeding mechanism according to claim 1, wherein the one-way mechanism comprises a conical block (23) and a conical groove (24), the conical groove (24) is arranged on the inner wall of the connecting pipe (5), the conical block (23) is slidably connected in the conical groove (24), a sliding groove (21) is further arranged on the inner wall of the connecting pipe (5), a sliding shaft (22) is fixedly connected to one side of the conical block (23), the sliding shaft (22) is slidably connected with the sliding groove (21), a spring (25) is installed in the sliding groove (21), and the spring (25) is fixedly connected with the sliding shaft (22).

3. The lithium battery feeding mechanism according to claim 1, wherein a movable sleeve (20) is slidably connected to a lower end of the connecting pipe (5), a limiting groove is formed in an outer wall of the movable sleeve (20), a limiting block corresponding to the limiting groove is fixedly connected to an inner wall of the connecting pipe (5), and the limiting block is slidably connected to the limiting groove.

4. The lithium battery feeding mechanism according to claim 1, wherein an operation table (1) is arranged on one side of the base (10), a clamping groove (2) is fixedly connected to the operation table (1), and a battery shell (3) is clamped in the clamping groove (2).