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CN-224212404-U - Injection type liquid adding device

CN224212404UCN 224212404 UCN224212404 UCN 224212404UCN-224212404-U

Abstract

The utility model belongs to the technical field of liquid adding, and discloses injection type liquid adding equipment. The injection liquid adding apparatus includes a charging stand, a charging carrier, and a drive assembly. The feeding carrier is detachably arranged on the feeding frame and comprises a feeding barrel and a piston cover, a first discharging hole capable of being opened and closed is formed in the bottom of the feeding barrel, the piston cover is in sliding fit with the inner peripheral wall of the feeding barrel, the driving assembly is arranged on the feeding frame, the output end of the driving assembly can be in contact with the piston cover, and the piston cover is driven to move in the direction close to the bottom of the feeding barrel so as to press feed liquid in the feeding barrel out of the first discharging hole. The injection type liquid adding device can improve the accuracy of the liquid adding amount and control the liquid adding speed, and is beneficial to improving the modification effect and efficiency of the anode material.

Inventors

  • XU DAN
  • GAO LUN
  • PANG WENWEN
  • LI TING
  • CHEN YUXIN
  • ZHOU BIN

Assignees

  • 安徽紫宸科技有限公司

Dates

Publication Date
20260508
Application Date
20250616

Claims (10)

  1. 1. Injection liquid adds equipment, its characterized in that includes: a charging stand (100); The charging carrier (200) is detachably arranged on the charging frame (100), the charging carrier (200) comprises a charging barrel (210) and a piston cover (220), a first discharging hole capable of being opened and closed is formed in the bottom of the charging barrel (210), and the piston cover (220) is in sliding fit with the inner peripheral wall of the charging barrel (210); The driving assembly (300) is arranged on the charging frame (100), and the output end of the driving assembly (300) can be in contact with the piston cover (220) and drive the piston cover (220) to move towards the direction close to the bottom of the charging barrel (210) so as to press the feed liquid in the charging barrel (210) out of the first discharge hole.
  2. 2. The injection liquid adding apparatus according to claim 1, wherein the driving assembly (300) comprises a driving member (310) and a pressure plate (320), the driving member (310) is disposed on the charging frame (100), an output end of the driving member (310) is connected to the pressure plate (320), the driving member (310) can drive the pressure plate (320) to extend out to contact with the piston cover (220) and push the piston cover (220) to move in a direction approaching to a bottom of the charging barrel (210), and can drive the pressure plate (320) to retract to be away from the piston cover (220).
  3. 3. The injection type liquid adding device according to claim 2, wherein a first groove (221) adapted to the pressure plate (320) is formed in the piston cover (220), a plurality of first clamping protrusions (222) are formed in the inner peripheral wall of the first groove (221), a plurality of first clamping grooves (321) are formed in the outer peripheral wall of the pressure plate (320), the first clamping grooves (321) are arranged in one-to-one correspondence with the first clamping protrusions (222), the pressure plate (320) can be placed in the first groove (221) under the driving of the driving piece (310), and the first clamping protrusions (222) are clamped with the first clamping grooves (321).
  4. 4. An injection liquid adding device according to any one of claims 1-3, wherein the charging frame (100) comprises a main frame body (110), a first fixing plate (120) and a second fixing plate (130), the first fixing plate (120) and the second fixing plate (130) are respectively arranged on two opposite sides of the main frame body (110) in the axial direction, the first fixing plate (120), the second fixing plate (130) and the main frame body (110) enclose a mounting space (101) with a mounting opening on the side, the charging carrier (200) is loaded into the mounting space (101) through the mounting opening, the second fixing plate (130) is used for supporting the charging barrel (210), a second discharging opening (131) is arranged on the second fixing plate (130), and the second discharging opening (131) is in sealing butt joint with the first discharging opening.
  5. 5. The injection liquid adding apparatus according to claim 4, wherein a valve (226) is provided at the first discharge port, the valve (226) includes a valve body (2261) and a valve spool (2262), an inlet of the valve body (2261) is communicated with the inside of the charging barrel (210), an outlet of the valve body (2261) is communicated with the first discharge port, and the valve spool (2262) has a normally closed operation state of blocking the outlet of the valve body (2261); A hollow thimble (132) is arranged on the second fixing plate (130), one end of the thimble (132) is communicated with the second discharge hole (131), a feed inlet (1321) is arranged at the other end of the thimble (132), the thimble (132) is arranged opposite to the valve core (2262) and is used for pushing the valve core (2262) to open an outlet of the valve body (2261), so that the outlet of the valve body (2261) is communicated with the feed inlet (1321); The top of second fixed plate (130) is equipped with and is used for the bearing tray (140) of charging section of thick bamboo (210), tray (140) with thimble (132) sliding connection, tray (140) with be equipped with first elastic component (150) between second fixed plate (130), first elastic component (150) are configured to have the promotion all the time tray (140) keep away from the trend of second fixed plate (130).
  6. 6. The injection liquid adding device according to claim 5, wherein a through hole is formed in the middle of the tray (140), a sleeve (141) with one end communicated with the through hole is arranged on the tray (140), and the sleeve (141) is slidably sleeved outside the thimble (132).
  7. 7. The injection liquid adding apparatus according to claim 6, wherein the feed port is provided on a peripheral wall of an end of the ejector pin (132) remote from the second fixing plate (130), and a first seal member (160) is provided between the sleeve (141) and the ejector pin (132).
  8. 8. The injection type liquid adding device according to claim 5, wherein a second groove (142) is formed in the tray (140), a plurality of second clamping protrusions (143) are formed in an inner peripheral wall of the second groove (142), a plurality of second clamping grooves (212) are formed in an outer peripheral wall of the charging barrel (210), the second clamping grooves (212) are arranged in one-to-one correspondence with the second clamping protrusions (143), the bottom of the charging barrel (210) is mounted in the second groove (142), and the second clamping protrusions (143) are clamped with the second clamping grooves (212); And/or, a second sealing element (170) surrounding the thimble (132) is arranged on the tray (140), and the second sealing element (170) can be attached to the charging barrel (210).
  9. 9. The injection type liquid adding device according to claim 5, wherein the main frame body (110) comprises a tray frame (111), the tray frame (111) is enclosed to be located the outer fringe of second fixed plate (130), be equipped with movable chamber (1111) in the tray frame (111), first elastic component (150) set up in the movable chamber (1111), the outer perisporium laminating of tray (140) in the inner perisporium of movable chamber (1111), be equipped with annular baffle (1112) on the inner perisporium of the one end of movable chamber (1111) keeping away from second fixed plate (130), tray (140) can be in under the effect of first elastic component (150) butt in annular baffle (1112).
  10. 10. The injection liquid adding apparatus according to claim 4, wherein the second discharge port (131) is communicated with one end of a discharge pipe (400), and the other end of the discharge pipe (400) is provided with a nozzle (410).

Description

Injection type liquid adding device Technical Field The utility model relates to the technical field of liquid adding, in particular to injection type liquid adding equipment. Background Negative electrode active materials such as graphite, silicon carbon, silicon oxygen and the like are widely used for the negative electrode of lithium ion batteries. With the development of new energy industry and electronic digital industry, higher requirements are put forward on the lithium ion battery, such as requirements on performances of long endurance, high multiplying power, low temperature resistance and the like, and modification of the anode active material is an important aspect for improving the performance of the lithium ion battery. In the modification of the anode active material, solid-liquid mixing (e.g., coating, pulping, doping, etc.) is generally required. At present, in the process of small and medium batch modification, the liquid material is generally put in a manual feeding mode. The manual feeding is easy to lead the feeding speed to be uncontrollable, and finally, the modification work efficiency and the modification effect are negatively influenced. Therefore, it is needed to provide an injection type liquid adding device to solve the above technical problems. Disclosure of utility model The utility model provides injection type liquid adding equipment which can improve the accuracy of liquid adding amount and control the liquid adding speed, and is beneficial to improving the modification effect and efficiency of a negative electrode material. To achieve the purpose, the utility model adopts the following technical scheme: an injection liquid adding apparatus comprising: a charging rack; The charging carrier is detachably arranged on the charging frame and comprises a charging barrel and a piston cover, a first discharging hole capable of being opened and closed is formed in the bottom of the charging barrel, and the piston cover is in sliding fit with the inner peripheral wall of the charging barrel; The driving assembly is arranged on the charging frame, the output end of the driving assembly can be in contact with the piston cover, and the driving assembly drives the piston cover to move towards the direction close to the bottom of the charging barrel so as to extrude feed liquid in the charging barrel from the first discharge hole. Optionally, the drive assembly includes driving piece and pressure disk, the driving piece sets up on the charging frame, the output of driving piece with the pressure disk links to each other, the driving piece can drive the pressure disk stretches out with the piston lid contacts, and promotes the piston lid is to being close to the direction motion of the bottom of charging barrel, and can drive the pressure disk is retracted in order to keep away from the piston lid. Optionally, be equipped with on the piston lid with the first recess of pressure disk looks adaptation, be equipped with a plurality of first card on the inner peripheral wall of first recess protruding, be equipped with a plurality of first draw-in grooves on the outer peripheral wall of pressure disk, first draw-in groove with the protruding one-to-one setting of first card, the pressure disk is in the drive of driving piece can be placed in the first recess, just first card protruding with first draw-in groove joint. Optionally, the driving piece comprises a through stepping motor and a screw rod, wherein the screw rod is connected with the through stepping motor, and the end part of the screw rod is connected with the pressure plate. Optionally, the charging frame comprises a main frame body, a first fixing plate and a second fixing plate, wherein the first fixing plate and the second fixing plate are respectively arranged on two opposite sides of the axial direction of the main frame body, the first fixing plate, the second fixing plate and the main frame body enclose a mounting space with a mounting opening at the side part, the charging carrier is arranged in the mounting space through the mounting opening, the second fixing plate is used for supporting the charging barrel, a second discharging opening is arranged on the second fixing plate, and the second discharging opening is in sealing butt joint with the first discharging opening. Optionally, a valve is arranged at the first discharge hole, the valve comprises a valve body and a valve core, an inlet of the valve body is communicated with the interior of the charging barrel, an outlet of the valve body is communicated with the first discharge hole, and the valve core is in a normally closed working state for blocking the outlet of the valve body; The second fixing plate is provided with a hollow thimble, one end of the thimble is communicated with the second discharge hole, the other end of the thimble is provided with a feed inlet, and the thimble is arranged opposite to the valve core and is used for pushing the valve core to open a