CN212366150U

CN212366150U - Vacuum liquid injection device

Info

Publication number: CN212366150U
Application number: CN202021754893.6U
Authority: CN
Inventors: 李红九; 李志远
Original assignee: Dongguan Fushun Precision Electromechanical Co ltd
Current assignee: Dongguan Fushun Precision Electromechanical Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-01-15
Anticipated expiration: 2030-08-20

Abstract

The utility model provides a vacuum priming device, include: the rack is composed of a top fixing frame and a bottom mounting frame, a connecting rod is arranged between the top fixing frame and the bottom mounting frame, and a power device is arranged on the bottom mounting frame; the liquid injection structure is composed of a plurality of vacuum liquid injection needles and a plurality of groups of vacuum suckers, the vacuum liquid injection needles penetrate through the bottom mounting rack and are driven by the driving device, and the vacuum suckers are mounted on one side, away from the top mounting rack, of the bottom mounting rack; the utility model provides a vacuumizing mechanism comprises the liquid chamber is annotated to the vacuum, and liquid chamber fixed mounting is annotated in the vacuum deviates from top mount one side in the bottom mounting bracket, the utility model discloses a liquid chamber is annotated to the vacuum forms encapsulated situation, with its inside evacuation, makes to annotate liquid environment vacuous state, and perfect having avoided polluting, cooperation vacuum annotates the liquid syringe needle, guarantees to annotate the liquid and chew nothing and hang and drip, and the syringe needle does not have the crystallization and does not have the jam, and cooperation vacuum chuck can annotate the liquid head with electric core and open, realizes zero leaking and annotates, need not manual operation, improves production efficiency by a wide margin.

Description

Vacuum liquid injection device

Technical Field

The utility model relates to a lithium cell annotates liquid technical field, concretely relates to vacuum priming device.

Background

The lithium battery is used as an indispensable energy carrier in modern life, the quality of the lithium battery is determined to a great extent by the production and manufacturing technology and corresponding equipment, wherein liquid injection is also important as a key step of production, and the current liquid injection modes are divided into two types: artifical manual notes liquid, this kind of annotate liquid mode is not only inefficiency and product quality level uneven, annotates liquid through priming device and has become the mainstream, but priming device on the market has following several problems usually, and is first, annotate the liquid environment relatively poor, can't guarantee to annotate the liquid quality, and the second annotates the easy jam of liquid needle mouth, needs often to clear up, and the third is annotating the liquid in-process, can't guarantee the certain opening of electric core, needs artifical manual adjustment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a vacuum priming device.

The technical scheme of the utility model as follows:

a vacuum priming device, comprising:

the rack is composed of a top fixing frame and a bottom mounting frame, a connecting rod is arranged between the top fixing frame and the bottom mounting frame, and a power device is arranged on the bottom mounting frame;

the liquid injection structure is composed of a plurality of vacuum liquid injection needle heads and a plurality of groups of vacuum suckers, the vacuum liquid injection needle heads penetrate through the bottom mounting rack and are driven by a driving device, and the vacuum suckers are mounted on one side of the bottom mounting rack, which is far away from the top mounting rack;

and the vacuumizing mechanism is composed of a vacuum liquid injection cavity, and the vacuum liquid injection cavity is fixedly arranged on one side of the top fixing frame, and the bottom mounting frame deviates from the vacuum liquid injection cavity.

The utility model discloses in, vacuum annotate the liquid syringe needle and adopt needle valve formula internal seal syringe needle, including an electronic ceramic pump, airtight seat, sealed thimble, sealing plug, income liquid device, annotate the liquid pipe and annotate the liquid head, the terminal nested sealed thimble that has of electronic ceramic pump, just sealed thimble and electronic ceramic pump junction nestification has airtight seat, is located airtight seat below sealed thimble middle part is equipped with into the liquid device, is located sealed thimble end and is equipped with the sealing plug go into liquid device below and install and annotate the liquid pipe, annotate liquid pipe nested on sealed thimble simultaneously, be located annotate the liquid pipe other end and install and annotate the liquid head.

Furthermore, a liquid inlet hole is formed in the liquid inlet device and connected with an external liquid inlet pipeline.

Furthermore, the vacuum liquid injection needles are driven by a motor, the number of the vacuum liquid injection needles is 6-8, and correspondingly, the number of the vacuum suction cups is 6-8 groups.

The utility model discloses in, power device includes that the several is connected the cylinder of top mount and bottom mounting bracket, and the several is located the servo motor of bottom mounting bracket both sides.

Further, the number of the cylinders is 2-3, the number of the servo motors is 2, and the 2 servo motors are respectively arranged on two sides of the bottom mounting frame.

The utility model discloses in, the bottom mounting bracket deviates from top mount one side is equipped with the lead screw, is located the lead screw both sides are equipped with step motor, vacuum chuck install in on the lead screw.

The utility model discloses in, vacuum infusion liquid cavity bottom is equipped with sealing device all around, and forms encapsulated situation according to the basis with external electric core anchor clamps, when closed.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses an external electric core anchor clamps module of liquid chamber cooperation is annotated in vacuum forms encapsulated situation, with its inside evacuation, make and annotate liquid environment vacuous state, perfect pollution that has avoided the environment probably to cause electric core and electrolyte, the syringe needle is annotated in cooperation vacuum simultaneously, the liquid quality is annotated in further improvement, and can guarantee to annotate the liquid and chew nothing to hang and drip, the syringe needle does not have the crystallization and does not have the jam, cooperation vacuum chuck, can annotate the liquid head with electric core and open before annotating the liquid, realize zero leaking and annotate, need not manual operation, improve production efficiency by a wide margin.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a perspective view of a vacuum liquid injection device provided by the present invention;

FIG. 2 is a structural view of the vacuum infusion chamber;

fig. 3 is an exploded view of the vacuum filling needle.

The reference numerals are explained below:

1. a top mount; 2. a bottom mounting bracket; 3. a vacuum liquid injection needle head; 31. an electric ceramic pump; 32. a hermetic seat; 33. sealing the thimble; 34. a sealing plug; 35. a liquid inlet device; 351. a liquid inlet hole position; 36. a liquid injection pipe; 37. a liquid injection head; 4. a vacuum chuck; 5. a vacuum liquid injection cavity; 6. and a screw rod.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In order to explain the technical solution of the present invention, the following description is made by using specific examples.

Example 1

Referring to fig. 1 to 3, the present invention provides a vacuum liquid injection device, including:

the rack is composed of a top fixing frame 1 and a bottom mounting frame 2, a connecting rod is arranged between the top fixing frame 1 and the bottom mounting frame 2, and a power device is arranged on the bottom mounting frame 2;

the liquid injection structure is composed of a plurality of vacuum liquid injection needles 3 and a plurality of groups of vacuum suckers 4, the vacuum liquid injection needles 3 penetrate through the bottom mounting frame 2 and are driven by a driving device, and the vacuum suckers 4 are arranged on one side, away from the top fixing frame 1, of the bottom mounting frame 2;

and the vacuumizing mechanism is composed of a vacuum liquid injection cavity 5, and the vacuum liquid injection cavity 5 is fixedly arranged on one side, deviating from the top fixing frame 1, of the bottom mounting frame 2.

The utility model discloses in, annotate liquid syringe needle 3 in vacuum adopts needle valve formula internal seal syringe needle, including an electronic ceramic pump 31, airtight seat 32, sealed thimble 33, sealing plug 34, go into liquid device 35, annotate liquid pipe 36 and annotate liquid head 37, the terminal nested connection of electronic ceramic pump 31 has sealed thimble 33, and sealed thimble 33 and the nested airtight seat 32 that has of electronic ceramic pump 31 junction, it is equipped with into liquid device 35 at sealed thimble 33 middle part to be located airtight seat 32 below, it is equipped with sealing plug 34 to be located sealed thimble 33 end, it annotates liquid pipe 36 to install in liquid device 35 below, it nests on sealed thimble 33 simultaneously to annotate liquid pipe 36, it installs and annotates liquid head 37 to be located to annotate the liquid pipe 36 other end.

Furthermore, a liquid inlet hole 351 is formed in the liquid inlet device 35, and the liquid inlet hole 351 is connected with an external liquid inlet pipeline.

Furthermore, the vacuum liquid injection needles 3 are driven by a motor, the number of the vacuum liquid injection needles 3 is 6-8, and correspondingly, the number of the vacuum suction cups 4 is 6-8 groups.

The utility model discloses in, power device includes that the several connects the cylinder of top mount 1 and bottom mounting bracket 2 to and the servo motor of bottom mounting bracket both sides is located to the several.

Further, the number of the cylinders is 2-3, the number of the servo motors is 2, and the 2 servo motors are respectively arranged on two sides of the bottom mounting frame 2.

The utility model discloses in, bottom mounting bracket 2 deviates from 1 one side of top mount and is equipped with lead screw 6, is located 6 both sides of lead screw and is equipped with step motor, and vacuum chuck installs on lead screw 6.

The utility model discloses in, be equipped with sealing device 51 around the 5 bottoms in vacuum infusion chamber, and form a sealing state according to with external electric core anchor clamps together when closed.

The working principle is as follows:

an operator fixedly places a battery cell on an external battery cell clamp module, starts the vacuum liquid injection device provided by the embodiment, and pushes the bottom mounting frame 2 to drive the vacuum liquid injection cavity 5 to move downwards until the vacuum liquid injection cavity 5 is clamped with the external battery cell clamp module through the sealing device 51 to form a sealing state;

after the specified air pressure is reached, the vacuum chuck 4 adsorbs two sides of the battery core to open the battery core, then a driving device drives the vacuum liquid injection needle 3 to move downwards to the opening of the battery core, a liquid inlet pipeline enters liquid into the vacuum liquid injection needle 3 through a liquid inlet hole 351, meanwhile, the electric ceramic pump 31 works, the sealing thimble 33 is pulled upwards, the sealing thimble 33 drives the sealing plug 34 to open the liquid injection head 37, and the electrolyte enters the battery core through the liquid injection head 37 along the liquid injection pipeline 36;

after the liquid injection is completed, the electric ceramic pump 31 pushes the sealing thimble 33 back, so as to close the liquid injection head 37, then pressurize the vacuum liquid injection cavity 5, drive the vacuum liquid injection cavity 5 to be opened by the upward drive of the driving device, and drive the bottom mounting frame 2 to return to the original position for the next liquid injection.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. A vacuum priming device, characterized by comprising:

2. The vacuum liquid injection device according to claim 1, wherein the vacuum liquid injection needle head is a needle valve type internal sealing needle head, and comprises an electric ceramic pump, an airtight seat, a sealing thimble, a sealing plug, a liquid inlet device, a liquid injection pipe and a liquid injection head, wherein the sealing thimble is connected to the end of the electric ceramic pump in a nested manner, the airtight seat is nested at the joint of the sealing thimble and the electric ceramic pump, the liquid inlet device is arranged at the middle part of the sealing thimble below the airtight seat, the sealing plug is arranged at the end of the sealing thimble, the liquid injection pipe is arranged below the liquid inlet device, the liquid injection pipe is nested on the sealing thimble simultaneously, and the liquid injection head is arranged at the other end of the liquid injection pipe.

3. The vacuum liquid injection device according to claim 2, wherein the liquid injection device is provided with a liquid injection hole, and the liquid injection hole is connected with an external liquid injection pipeline.

4. The vacuum liquid injection device according to claim 1, wherein the vacuum liquid injection needles are driven by a motor, and the number of the vacuum liquid injection needles is 6-8, and correspondingly, the number of the vacuum suction cups is 6-8.

5. The vacuum liquid injection device according to claim 1, wherein the power device comprises a plurality of cylinders connecting the top fixing frame and the bottom mounting frame, and a plurality of servo motors arranged on two sides of the bottom mounting frame.

6. The vacuum liquid injection device according to claim 5, wherein the number of the air cylinders is 2-3, the number of the servo motors is 2, and the 2 servo motors are respectively arranged on two sides of the bottom mounting frame.

7. The vacuum liquid injection device according to claim 1, wherein a screw rod is arranged on one side of the bottom mounting frame, which is away from the top mounting frame, stepping motors are arranged on two sides of the screw rod, and the vacuum sucker is mounted on the screw rod.

8. The vacuum priming device of claim 1, wherein a sealing device is disposed around the bottom of the vacuum priming chamber and is configured with an external cell clamp, so as to form a sealed state when closed.