CN219559489U

CN219559489U - Salt adding device for electrolyte production

Info

Publication number: CN219559489U
Application number: CN202222894854.1U
Authority: CN
Inventors: 薛瑄武; 赵玉玲
Original assignee: Nantong Ruida Electronic Material Co ltd
Current assignee: Nantong Ruida Electronic Material Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-08-22
Anticipated expiration: 2032-11-01

Abstract

The utility model discloses a salt adding device for electrolyte production, which relates to the technical field of electrolyte production equipment, and adopts the technical scheme that: the salt adding device comprises a salt adding component, wherein the salt adding component comprises a salt tank, an inner supporting frame is fixedly arranged on the inner wall of the bottom of the salt tank, the inner supporting frame is hollow, a discharging pipe is fixedly arranged at the center of the inner supporting frame, the bottom of the discharging pipe extends to the outside of the salt tank, salt discharging holes are uniformly formed in the outer wall of the discharging pipe and used for guiding salt at the bottom of the salt tank into the discharging pipe, a motor frame is fixedly arranged on the outer wall of the right end of the salt tank, and the inner wall of the discharging pipe is in matched sliding connection with the outer wall of a sliding seat.

Description

Salt adding device for electrolyte production

Technical Field

The utility model relates to the technical field of electrolyte production equipment, in particular to a salt adding device for electrolyte production.

Background

In the production process of lithium battery electrolyte, after the raw material solution is dehydrated, the raw material solution is injected into a stirring tank, and after the concentration is measured by sampling, lithium salt is added and stirred to prepare the finished electrolyte, so that the adding amount of the lithium salt is strictly required, and the production process of the electrolyte is required to isolate air, so that the adding of the lithium salt into the stirring tank is a tedious work.

The prior art has the following defects: the existing salt adding device is complex in structure, troublesome in operation and long in time consumption, and a person is required to weigh out lithium salt with a required component, so that the manual operation is difficult to avoid errors.

Therefore, a salt adding device for producing the electrolyte is necessary.

Disclosure of Invention

Therefore, the salt adding device for electrolyte production is provided by the utility model, and the inner wall of the discharging pipe is matched and slidingly connected with the outer wall of the sliding seat, so that when the sliding seat finishes one-time up-down reciprocating motion, a certain amount of lithium salt is brought out through the annular notch and enters the salt conveying pipe, the salt outlet amount of the salt tank is conveniently and accurately controlled, and the amount of the added lithium salt is conveniently and accurately controlled when the electrolyte is blended, so that the problem in the background technology is solved.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a salt adding device of electrolyte production, includes salt adding assembly, salt adding assembly includes the salt jar, salt jar bottom inner wall fixed mounting inner support frame, the inner support frame is the fretwork form, inner support frame central point puts fixed mounting unloading pipe, unloading pipe bottom extends to the salt jar outside, the unloading pipe outer wall has evenly seted up out the salt hole, go out the salt hole and be arranged in leading-in unloading pipe of salt jar bottom salt, salt jar right-hand member outer wall fixed mounting motor frame, motor frame top fixed mounting servo motor, servo motor output shaft and salt jar inner wall junction pass through the bearing and rotate and be connected, servo motor output shaft fixed connection drive shaft, drive shaft output end fixed mounting eccentric carousel, eccentric carousel left end outer wall fixed mounting output shaft, output shaft and drive shaft fixed connection, eccentric carousel left end outer wall fixed mounting output shaft, the output shaft rotates the connecting rod, the slide is rotated to the pull rod, slide outer wall and unloading pipe inner wall sliding connection.

Preferably, the output shaft is rotationally connected with the connecting part inside the pull rod through a bearing, the outer wall of the sliding seat is provided with an annular notch, the annular notch is used for carrying quantitative salt to push out of the salt tank, and the top of the sliding seat is fixedly provided with a movable block.

Preferably, the bottom end of the pull rod is rotationally connected with the inner wall of the top of the movable block, the right end of the salt conveying pipe is fixedly connected with a nitrogen pipe, the nitrogen pipe is used for being connected with a high-pressure nitrogen tank, a valve is fixedly arranged on the outer wall of the nitrogen pipe, and the left end of the salt conveying pipe is fixedly connected with an electrolyte production tank.

Preferably, the salt tank bottom is set to arc, salt tank bottom fixed mounting support, support bottom fixed mounting base one, the salt tank top passes through the hinge and rotates the connection top cap, salt tank outer wall fixed mounting visual window, visual window is used for looking over the inside salt surplus of salt tank.

Preferably, the second base is fixedly arranged at the bottom of the electrolyte production tank, the filter element mounting frame is fixedly arranged at the center of the inner wall of the top of the electrolyte production tank, and the baffle is fixedly arranged at the top of the filter element mounting frame.

Preferably, the filter core is connected to the detachable filter core mounting bracket inner wall, filter core top fixed mounting apron, the air vent has been seted up to the apron surface, can dismantle through the bolt between apron and the baffle and be connected.

The beneficial effects of the utility model are as follows:

1. through the arrangement of the inner wall of the blanking pipe and the outer wall of the sliding seat in a matched sliding manner, when the sliding seat finishes one-time up-and-down reciprocating motion, a certain amount of lithium salt is brought out through the annular notch and enters the salt conveying pipe, so that the salt output of the salt tank is conveniently and accurately controlled, and the amount of the added lithium salt is conveniently and accurately controlled when the electrolyte is blended;

2. through setting up the effect that the nitrogen pipe has external high pressure nitrogen jar of connection to conveniently carry high pressure nitrogen through the nitrogen pipe, make the salt of defeated salt intraductal back that goes out, can blow the lithium salt of defeated salt intraductal portion of defeated salt through high pressure nitrogen and carry to the electrolyte production jar in, improved the efficiency of filling lithium salt;

3. the filter element has the advantages that the filter element can conveniently discharge excessive nitrogen in the electrolyte production tank and simultaneously has the dustproof effect, so that external impurities are prevented from entering the electrolyte, and the protective performance of the electrolyte is improved.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is an enlarged view of FIG. 1A provided in the present utility model;

FIG. 3 is a schematic diagram of a salt tank structure provided by the utility model;

fig. 4 is a schematic diagram of a mounting structure of a sliding seat transmission structure provided by the utility model.

In the figure: salt adding assembly 100, first base 110, bracket 111, salt tank 120, top cover 121, inner support 122, blanking tube 130, salt outlet 131, motor frame 140, servo motor 150, driving shaft 151, eccentric rotary disc 152, input shaft 153, output shaft 154, bearing 155, pull rod 160, sliding seat 170, annular notch 171, movable block 172, salt delivery tube 180, nitrogen tube 181, valve 182, electrolyte production tank 200, second base 210, filter cartridge mounting frame 220, baffle 230, filter cartridge 240, cover plate 250, and vent 251.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Referring to fig. 1-4, the utility model provides a salt adding device for electrolyte production, and in order to achieve the above purpose, the utility model provides the following technical scheme: the salt adding device for electrolyte production comprises a salt adding assembly 100, the salt adding assembly 100 comprises a salt tank 120, an inner supporting frame 122 is fixedly arranged on the inner wall of the bottom of the salt tank 120, the inner supporting frame 122 is hollow, a blanking pipe 130 is fixedly arranged at the center of the inner supporting frame 122, the bottom of the blanking pipe 130 extends to the outside of the salt tank 120, salt outlet holes 131 are uniformly formed in the outer wall of the blanking pipe 130, the salt outlet holes 131 are used for guiding salt at the bottom of the salt tank 120 into the blanking pipe 130, a motor frame 140 is fixedly arranged on the outer wall of the right end of the salt tank 120, a servo motor 150 is fixedly arranged at the top of the motor frame 140, an output shaft of the servo motor 150 is rotationally connected with the inner wall of the salt tank 120 through a bearing, a driving shaft 151 is fixedly connected with the output shaft of the servo motor 150, an eccentric rotary disc 152 is fixedly arranged at the output end of the driving shaft 151, an output shaft 154 is fixedly arranged on the outer wall of the left end of the eccentric rotary disc 152, the output shaft 154 is fixedly connected with the driving shaft 151, the output shaft 154 is fixedly arranged on the outer wall of the left end of the eccentric rotary disc 152, the output shaft 154 is rotationally connected with the pull rod 160, the pull rod 160 is rotationally connected with the sliding seat 170, the outer wall of the sliding seat 170 is in sliding connection with the inner wall of the blanking pipe 130, specifically, the salt adding assembly 100 is arranged to have the effect of accurately adding lithium salt when the electrolyte is prepared for the electrolyte production tank 200, the salt tank 120 has the effect of storing lithium salt, the inner supporting frame 122 has the effect of installing the blanking pipe 130, thereby improving the stability of the installation of the blanking pipe 130, the blanking pipe 130 has the effect of guiding out lithium salt, the inner wall of the blanking pipe 130 is arranged to be in sliding connection with the outer wall of the sliding seat 170 in a matched manner, thereby being convenient for taking out quantitative lithium salt through the annular notch 171 to enter the salt conveying pipe 180 when the sliding seat 170 completes one up and down reciprocating motion, being convenient for accurately controlling the salt output of the salt tank 120, being convenient for accurately controlling the amount of adding lithium salt when the electrolyte is prepared, the motor frame 140 has the function of installing the servo motor 150, the driving shaft 151 and the eccentric turntable 152 are driven to rotate by arranging the servo motor 150, so that when the eccentric turntable 152 rotates, the pull rod 160 can be pulled to jump up and down, the sliding seat 170 is pulled to reciprocate up and down in the blanking pipe 130, the annular notch 171 can carry quantitative lithium salt when retreating into the blanking pipe 130, then the annular notch 171 is exposed by driving the sliding seat 170 to move below the blanking pipe 130, the lithium salt at the annular notch 171 falls into the salt conveying pipe 180 under the action of gravity to finish quantitative salt discharging, the pull rod 160 has the transmission function, and the eccentric turntable 152 is arranged to drive the output shaft 154 to swing up and down when rotating, so that the pull rod 160 is pulled to jump up and down.

Output shaft 154 and pull rod 160 internal connection department passes through bearing 155 rotation connection, annular notch 171 has been seted up to slide 170 outer wall, annular notch 171 is used for carrying quantitative salt and releases salt tank 120, slide 170 top fixed mounting movable block 172, pull rod 160 bottom and movable block 172 top inner wall rotate and connect defeated salt pipe 180, defeated salt pipe 180 right-hand member fixed connection nitrogen pipe 181, nitrogen pipe 181 is used for connecting high-pressure nitrogen jar, nitrogen pipe 181 outer wall fixed mounting valve 182, defeated salt pipe 180 left end fixed connection electrolyte production jar 200, salt tank 120 bottom sets up to convex, salt tank 120 bottom fixed mounting support 111, support 111 bottom fixed mounting base one 110, salt tank 120 top passes through hinge rotation connection top cap 121, salt tank 120 outer wall fixed mounting visual window, visual window is used for looking over the inside salt surplus of salt tank 120, specifically, the movable block 172 is specifically convenient the effect of rotating connection pull rod 160, thereby stability and flexibility when conveniently improving pull rod 160 motion, avoid taking place the motion interference, through setting up the effect that nitrogen pipe 181 has the external high-pressure nitrogen jar of connection, thereby conveniently carry high-pressure nitrogen through nitrogen pipe 181, make the inside salt pipe 180 can be through the high-pressure nitrogen pipe 181, can be through the effect of high-pressure nitrogen pipe 181, the inside the high-pressure production jar 200, thereby the gas can be adjusted through the high-pressure salt pipe 180, the effect can be had, the inside can be adjusted through the valve 200, the inside the effect of the pump 200 is opened and can be adjusted, the air pressure can be adjusted.

The electrolyte production jar 200 bottom fixed mounting base two 210, electrolyte production jar 200 top inner wall central point puts fixed mounting filter core mounting bracket 220, filter core mounting bracket 220 top fixed mounting baffle 230, filter core 240 is dismantled to filter core mounting bracket 220 inner wall, filter core 240 top fixed mounting apron 250, air vent 251 has been seted up to the apron 250 surface, can dismantle through the bolt between apron 250 and the baffle 230 and be connected, specifically, base two 210 has the effect of supporting and installing electrolyte production jar 200, filter core mounting bracket 220 has the effect of installing filter core 240, filter core 240 has the effect of conveniently discharging simultaneously dustproof after nitrogen gas too much in electrolyte production jar 200, avoid external impurity to enter into in the electrolyte, through setting up apron 250 and baffle 230 cooperation use, have the effect of installing filter core 240, thereby conveniently fix filter core 240 top, the convenience is replaced filter core 240.

The application process of the utility model is as follows: when the lithium salt is added, the number of up-and-down reciprocating motions of the sliding seat 170 is controlled by controlling the rotation times of the driving servo motor 150, the sliding seat 170 is moved up and down once, the annular notch 171 is used for carrying a certain amount of lithium salt to push the lithium salt into the salt conveying pipe 180, then the valve 182 is opened, the high-pressure nitrogen is switched on, the lithium salt in the salt conveying pipe 180 is blown through the high-pressure nitrogen, so that the lithium salt enters the electrolyte production tank 200 through the salt conveying pipe 180, the lithium salt filling is completed, the nitrogen enters the electrolyte production tank 200, and the lithium salt is discharged to the outside through the filter element 240.

The above description is only of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model equivalent thereto using the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.

Claims

1. Salt adding device of electrolyte production, including adding salt subassembly (100), add salt subassembly (100) including salt tank (120), its characterized in that: the utility model provides a salt tank (120) bottom inner wall fixed mounting inner support frame (122), inner support frame (122) are the fretwork form, inner support frame (122) central point puts fixed mounting unloading pipe (130), unloading pipe (130) bottom extends to salt tank (120) outside, unloading pipe (130) outer wall evenly has seted up out salt hole (131), go out salt hole (131) and be arranged in leading-in unloading pipe (130) with salt of salt tank (120) bottom, salt tank (120) right-hand member outer wall fixed mounting motor frame (140), motor frame (140) top fixed mounting servo motor (150), servo motor (150) output shaft and salt tank (120) inner wall junction are connected through the bearing rotation, servo motor (150) output shaft fixed connection drive shaft (151), drive shaft (151) output end fixed mounting eccentric carousel (152), eccentric carousel (152) left end outer wall fixed mounting output shaft (154), output shaft (154) and drive shaft (151) fixed connection, output shaft (154) rotate and are connected (160), pull rod (170) are connected with slider (170) inner wall (170), slider (170) are connected with slider (170).

2. The salt adding device for electrolyte production according to claim 1, wherein the output shaft (154) is rotatably connected with the internal connection part of the pull rod (160) through a bearing (155), an annular notch (171) is formed in the outer wall of the sliding seat (170), the annular notch (171) is used for carrying quantitative salt to push out of the salt tank (120), and a movable block (172) is fixedly arranged at the top of the sliding seat (170).

3. The salt adding device for electrolyte production according to claim 2, wherein the bottom end of the pull rod (160) is rotatably connected with the inner wall of the top of the movable block (172) to form a salt conveying pipe (180), the right end of the salt conveying pipe (180) is fixedly connected with a nitrogen pipe (181), the nitrogen pipe (181) is used for being connected with a high-pressure nitrogen tank, a valve (182) is fixedly arranged on the outer wall of the nitrogen pipe (181), and the left end of the salt conveying pipe (180) is fixedly connected with the electrolyte production tank (200).

4. The salt adding device for electrolyte production according to claim 3, wherein the bottom of the salt tank (120) is arc-shaped, a bracket (111) is fixedly installed at the bottom of the salt tank (120), a first base (110) is fixedly installed at the bottom of the bracket (111), a top cover (121) is rotatably connected to the top of the salt tank (120) through a hinge, a visual window is fixedly installed on the outer wall of the salt tank (120), and the visual window is used for checking the residual amount of salt in the salt tank (120).

5. A salt adding device for electrolyte production according to claim 3, wherein a second base (210) is fixedly installed at the bottom of the electrolyte production tank (200), a filter element mounting frame (220) is fixedly installed at the center of the inner wall of the top of the electrolyte production tank (200), and a baffle (230) is fixedly installed at the top of the filter element mounting frame (220).

6. The electrolyte production salting device according to claim 5, wherein the filter element (240) is detachably connected to the inner wall of the filter element mounting frame (220), a cover plate (250) is fixedly mounted on the top of the filter element (240), a vent hole (251) is formed in the surface of the cover plate (250), and the cover plate (250) is detachably connected with the baffle plate (230) through bolts.