CN211530107U

CN211530107U - Automatic nail plugging mechanism for square aluminum shell battery

Info

Publication number: CN211530107U
Application number: CN201922297510.0U
Authority: CN
Inventors: 黄伟明; 熊锋; 黄大杰; 温正方; 姜成武
Original assignee: Dongguan Tec Rich Engineering Co Ltd
Current assignee: Dongguan Tec Rich Engineering Co Ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-09-18
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses an automatic plug pin mechanism of a square aluminum shell battery, which comprises a transmission element, a fixed seat, a plug pin mouth and a plug pin inner shaft, wherein the fixed seat is connected with the plug pin mouth; the side wall of the plug nail inner shaft is provided with an air hole in an area surrounded by the two sets of sealing rings, one end of the plug nail inner shaft is provided with a concave hole which is communicated with the air hole, and the other end of the plug nail inner shaft is connected with the transmission element; the outer wall of the plug nail nozzle is provided with two vacuum connectors, the first vacuum connector is arranged in the area enclosed by the two sets of sealing rings, and the second vacuum connector is arranged outside the area enclosed by the two sets of sealing rings and close to the opening end of the plug nail nozzle. The utility model has the advantages that: the automatic plug pin mechanism vacuumizes the battery before plugging the pin, and plugs the pin under the condition of keeping the battery in a vacuum state, so that the electrolyte in the battery is prevented from absorbing moisture in the air, redundant gas in the battery is removed, and the production quality of the battery is improved.

Description

Automatic nail plugging mechanism for square aluminum shell battery

Technical Field

The utility model relates to a battery production and processing technology field, especially an automatic stopper nail mechanism of square aluminum hull battery.

Background

The battery liquid injection is an important process in the production flow of the square aluminum shell battery, a battery liquid injection port can be formed in the square aluminum shell battery which is not injected with the liquid, and the square aluminum shell battery which is filled with the battery core needs to be injected with the electrolyte from the battery liquid injection port. According to the demand of battery notes liquid technology, the battery notes liquid can relate to annotate liquid many times, and the square aluminum hull battery of not accomplishing all electrolyte notes liquid generally can annotate liquid mouth shutoff with the battery with the stopper nail, avoids the electrolyte in the battery and the material in the air to react, influences the battery quality, and the stopper nail can also avoid the battery to annotate the unexpected when liquid circulation is revealed to electrolyte. However, after the square aluminum-shell battery is plugged into the plug pin, a small amount of air still remains inside the battery, and the production quality of the battery is also affected. To completely avoid the influence of liquid injection air on the battery in the liquid injection process, the vacuum inside the battery needs to be kept before and during the plug pin plugging process. Therefore, those skilled in the art need further research on the nail plugging mechanism in the battery production process to improve the quality of the battery production.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to above-mentioned prior art not enough, an automatic stopper nail mechanism of square aluminum hull battery is provided.

In order to solve the technical problem, the utility model discloses the technical scheme who takes is: the automatic plug pin mechanism of the square aluminum shell battery comprises a transmission element, a fixed seat, a plug pin nozzle and a plug pin inner shaft, wherein the fixed seat is connected with the plug pin nozzle; the side wall of the plug nail inner shaft is provided with an air hole in an area surrounded by the two sets of sealing rings, one end of the plug nail inner shaft is provided with a concave hole which is communicated with the air hole, and the other end of the plug nail inner shaft is connected with the transmission element; the outer wall of the plug nail nozzle is provided with two vacuum joints, the first vacuum joint is arranged in the area enclosed by the two sets of sealing rings, the first vacuum joint is communicated with the concave hole through an air hole in the side wall of the inner shaft, and the second vacuum joint is arranged outside the area enclosed by the two sets of sealing rings and close to the opening end of the plug nail nozzle.

In the technical scheme, the transmission element is a screw rod, the screw rod is connected with a motor, and an inner shaft of the plug screw is driven by the screw rod to spirally move in the cylindrical holes of the fixed seat and the plug screw nozzle.

In the technical scheme, the motor-driven linear guide rail device further comprises a sliding connection plate and a linear guide rail, wherein the motor is fixedly connected to the sliding connection plate, and the sliding connection plate is connected with the linear guide rail in a sliding mode.

In the technical scheme, a rubber head is arranged at the lower end opening of the plug pin nozzle.

The utility model has the advantages that: the automatic plug pin mechanism vacuumizes the battery before plugging the pin, and plugs the pin under the condition of keeping the battery in a vacuum state, so that the electrolyte in the battery is prevented from absorbing moisture in the air, redundant gas in the battery is removed, and the production quality of the battery is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic sectional view of the battery in a vacuum state.

Fig. 3 is a schematic view of the structure of the paving with the battery plugged in the plug pin.

Reference numerals

1-a motor; 2-a coupler; 3-a screw rod; 31-inner shaft of screw rod; 32-outer ring of screw rod; 4-fixing the base; 5-plug the nail mouth; 6-plug pin inner shaft; 7-rubber head; 8-a first vacuum connection; 9-a second vacuum connection; 10-a sealing ring; 11-a sliding connection plate; 12-a linear guide; 13-air holes; 14-a concave hole; 15-plug pin; 16-battery liquid injection port.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-3, an automatic nail plugging mechanism for a square aluminum-shell battery comprises a motor 1, a coupler 2, a screw rod 3, a fixing seat 4 and a nail plugging nozzle 5, wherein the motor 1 is arranged at the upper end of the whole automatic nail plugging mechanism, the motor 1 is fixedly connected with a sliding connection plate 11, the sliding connection plate 11 is slidably arranged on a linear guide rail 12, and the motor 1 can move along the guide rail. The motor 1 is connected with the coupler 2, the screw rod 3 comprises a screw rod inner shaft 31 and a screw rod outer ring 32, the screw rod outer ring 32 is connected to the periphery of the screw rod inner shaft 31, the upper end of the inner shaft 31 is connected with the coupler 2, the lower end of the screw rod inner shaft 31 is connected with a plug nail inner shaft 6, the other end of the plug nail inner shaft 6 is provided with a concave hole 14, the screw rod inner shaft 31 and the plug nail inner shaft 6 can be integrally formed, and the diameters of the two parts are consistent. Lead screw outer lane 32 is connected with fixing base 4's upper end, and fixing base 4's lower extreme is connected with stopper nail mouth 5, and fixing base 4 and stopper nail mouth 5's inside is equipped with the cylinder hole of well expert, and two cylinder holes correspond the intercommunication, and the size in cylinder hole and the interior shaft 6's of stopper nail size looks adaptation, shaft 6 can carry out the stopper of stopper nail 15 in the downthehole reciprocating motion of cylinder and get.

Stopper nail mouth 5 is equipped with first vacuum joint 8, second vacuum joint 9 and rubber head 7, first vacuum joint 8 is established in the one end that is close to fixing base 4, second vacuum joint 9 is established in the one end of keeping away from fixing base 4 (be close to stopper nail mouth 5 lower extreme open-ended one end promptly), the cylinder downthehole side of stopper nail mouth 5 is equipped with two sealing washer 10, a sealing washer 10 is located on one section cylinder hole between first vacuum joint 8 and the fixing base 4, another sealing washer 10 is located on the cylinder hole between first vacuum joint 8 and the second vacuum joint 9, the one end cylinder hole end that makes first vacuum joint 8 place forms independent space, be equipped with an air vent 13 on can being equipped with in one section stopper nail interior axle 6 that removes in this independent space, air vent 13 intercommunication stopper nail interior axle 6's shrinkage pool 14 and first vacuum joint 8. The rubber head 7 is arranged at the lower end opening of the plug nail mouth 5, and when the plug nail mouth 5 is connected with the battery injection port 16, the sealing performance of the connection position can be effectively maintained.

The lead screw 3 is optimized, the motor 1 drives the inner shaft 31 of the lead screw to spirally move in the cylindrical holes of the fixing seat 4 and the plug screw nozzle 5, and the reciprocating motion of the lead screw 3 can be better realized.

The application of the automatic nail plugging mechanism of the square aluminum shell battery is as follows:

(1) sucking plug pins: a plug pin mouth 5 of the automatic plug pin mechanism for the square aluminum-shell battery is close to and aligned with a plug pin 15 to be selected, a motor 1 drives a screw rod 3 to spirally move downwards to the plug pin 15, a vacuum source connected with a first vacuum joint 8 vacuumizes a concave hole 14 in a plug pin inner shaft 6, so that the plug pin 15 is adsorbed to the lower end of the plug pin inner shaft 6, the motor 1 drives the screw rod 3 to reset, and the automatic plug pin mechanism for the square aluminum-shell battery resets;

(2) vacuumizing the battery: a plug pin mouth 5 of the automatic plug pin mechanism of the square aluminum-shell battery is close to and aligned with a battery liquid injection port 16, so that the plug pin mouth 5 is aligned with and contacted with the battery liquid injection port 16, and a vacuum source connected with a second vacuum connector 9 vacuumizes the interior of the battery;

(3) plugging a plug pin: motor 1 drives lead screw 3 spiral shell screwing down and removes, fills in the battery with the rotation of chock plug 15 and annotates liquid mouth 16, restores the ordinary pressure in interior axle 31 and chock plug mouth 5, chock plug 15 with annotate the liquid mouth and closely cooperate, battery inner space and outside isolation, motor 1 drives lead screw 3 and resets, and the automatic chock plug mechanism of square aluminum hull battery resets.

The above embodiments are merely illustrative and not restrictive, and all equivalent changes and modifications made by the methods described in the claims are intended to be included within the scope of the present invention.

Claims

1. Automatic nail mechanism of plugging in of square aluminum hull battery, its characterized in that: the plug pin sealing device comprises a transmission element, a fixed seat, a plug pin nozzle and a plug pin inner shaft, wherein the fixed seat is connected with the plug pin nozzle, cylindrical holes matched with the plug pin inner shaft are formed in the fixed seat and the plug pin nozzle, two sets of sealing rings are axially arranged in the cylindrical holes, and the plug pin inner shaft reciprocates in the cylindrical holes; the side wall of the plug nail inner shaft is provided with an air hole in an area surrounded by the two sets of sealing rings, one end of the plug nail inner shaft is provided with a concave hole which is communicated with the air hole, and the other end of the plug nail inner shaft is connected with the transmission element; the outer wall of the plug nail nozzle is provided with two vacuum joints, the first vacuum joint is arranged in the area enclosed by the two sets of sealing rings, the first vacuum joint is communicated with the concave hole through an air hole in the side wall of the inner shaft, and the second vacuum joint is arranged outside the area enclosed by the two sets of sealing rings and close to the opening end of the plug nail nozzle.

2. The automatic nail plugging mechanism for the square aluminum-shell battery according to claim 1, wherein: the transmission element is a screw rod which is connected with a motor, and the plug nail inner shaft is driven by the screw rod to spirally move in the cylindrical holes of the fixed seat and the plug nail nozzle.

3. The automatic nail plugging mechanism for the square aluminum-shell battery according to claim 2, wherein: the motor is fixedly connected to the sliding connection plate, and the sliding connection plate is connected with the linear guide rail in a sliding mode.

4. The automatic nail plugging mechanism for the square aluminum-shell battery according to claim 1, wherein: the lower end opening of the plug pin mouth is provided with a rubber head.