CN213366756U

CN213366756U - Automatic accurate priming device of power battery

Info

Publication number: CN213366756U
Application number: CN202022327058.0U
Authority: CN
Inventors: 张武生; 何海军; 祁人杰
Original assignee: Ganzhou Chuangxiang Power Supply Co ltd
Current assignee: Ganzhou Chuangxiang Power Supply Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-06-04
Anticipated expiration: 2030-10-19

Abstract

The utility model relates to an automatic accurate priming device of power battery in the technical field of power battery production equipment, which comprises a base, wherein a filling component, a vacuumizing component and an auxiliary infiltration component are sequentially arranged on a support frame of the base, and a conveyer belt is arranged on the base corresponding to the filling component and the vacuumizing component; the filling subassembly includes liquid reserve tank, first cylinder and filling head, and the evacuation subassembly includes second cylinder, exhaust tube and heat-sealing machine, and supplementary infiltration subassembly is including rotating motor, circular shape loading board and limiting plate. The utility model has simple and reasonable structure and simple and convenient operation; liquid, evacuation and infiltration are annotated with integrative to the collection, and each part is mutually supported, and whole flow links up smoothly, has improved notes liquid efficiency and has annotated the liquid precision, has improved the uniformity of infiltration, has further improved the quality and the life of battery, but continuity production, efficient, effectual.

Description

Automatic accurate priming device of power battery

Technical Field

The utility model relates to a power battery production facility technical field specifically, relates to an automatic accurate priming device of power battery.

Background

When power battery production, need carry out multiple technology, one of them more important technology is exactly to pour into the electrolyte in the battery into, packs after pouring into, and current notes liquid and the encapsulation separately go on, leads to power battery production efficiency low, moreover, annotates the in-process of liquid, and current priming device degree of automation is low, produces misoperation easily to cause the waste of electrolyte, can't satisfy the demand of bulk production. On the other hand, for a high-capacity and high-density battery, the compaction density of the electrode plate in the battery is high, so that the liquid injection efficiency is lower, the liquid injection amount is not accurate enough, and the infiltration consistency of the electrode plate in the battery is poor. Therefore, an automatic precise liquid injection device is urgently needed, and the problems of low liquid injection efficiency and poor infiltration consistency are solved.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides an automatic accurate liquid injection device for power batteries, which comprises a base, wherein a support frame is fixed on the base, the lower surface of the support frame is sequentially provided with a filling assembly, a vacuumizing assembly and an auxiliary infiltration assembly, and conveying belts are arranged on the bases corresponding to the filling assembly and the vacuumizing assembly;

the filling assembly comprises a liquid storage tank, a first air cylinder and a filling head, the liquid storage tank is fixed on the support frame, the liquid storage tank is communicated with the filling head through a liquid inlet hose, and the filling head is connected with the support frame through the first air cylinder;

the vacuumizing assembly comprises a second air cylinder, an exhaust tube and a heat sealing machine, the second air cylinder is fixed on the support frame, the telescopic end of the second air cylinder is connected with the equipment box, a third air cylinder is arranged in the equipment box, the telescopic end of the third air cylinder penetrates through the bottom of the equipment box and then is fixedly connected with the exhaust tube, the exhaust tube is connected with an air pump, and the heat sealing machine is fixed at the bottom of the equipment box;

the supplementary subassembly of infiltrating is including rotating motor, circular shape loading board and limiting plate, rotate the motor and fix on the base, rotate the output shaft of motor and the central fixed connection of loading board, evenly be covered with a plurality of spacing recesses on the loading board, spacing recess is radial distribution along the center of loading board, the lower surface of limiting plate is equipped with the draw-in groove with spacing recess one-to-one, and the last fixed surface of limiting plate is connected with the connecting rod, the connecting rod passes through the bearing rotation with the flexible end of fourth cylinder and is connected, the stiff end and the support frame fixed connection of fourth cylinder.

Preferably, the liquid inlet hose is a spring pipe.

Preferably, a liquid level sensor is arranged in the liquid storage tank and connected with a switch valve of the filling head. The electrolyte injection device can accurately inject a fixed amount of electrolyte into the battery, and the electrolyte injection quality is improved.

Preferably, be equipped with the controller on the base, filling subassembly and evacuation subassembly all are equipped with infrared sensor, the drive of conveyer belt, first cylinder, second cylinder, third cylinder, fourth cylinder and rotation motor all are connected with the controller. The infrared sensor can detect the position that the battery transported filling subassembly and evacuation subassembly on the conveyer belt in time, realizes accurate filling and evacuation, has improved degree of automation, has improved the precision of annotating the liquid, has further improved notes liquid effect and efficiency.

The utility model discloses still including other subassemblies that can make the automatic accurate priming device normal use of a power battery, if take the conveyer belt to annotate liquid, evacuation and the good battery of heat-seal and place gripper in the spacing recess of loading board, the drive control subassembly of conveyer belt etc. and be the conventional technical means in this area. Additionally, the utility model discloses in add the device or the subassembly of injecing and all adopt the conventional technical means in this field, be the conventional technical means in this field like filling head, heat-sealing machine, air pump, level sensor, controller, infrared sensor, exhaust tube etc..

The working principle of the utility model is that the battery to be filled is placed on the conveyer belt, when the battery is transported to the lower part of the filling component, the conveyer belt stops transporting, the first cylinder drives the filling head to move downwards, the filling head fills the liquid inlet of the battery, after the filling is completed, the first cylinder drives the filling head to move upwards, the conveyer belt continues transporting the battery with completed liquid filling to the lower part of the vacuum pumping component, the conveyer belt stops transporting, the third cylinder drives the exhaust tube to move downwards to extract the air in the battery, then the third cylinder drives the exhaust tube to retract into the equipment box, the second cylinder drives the heat sealing machine on the equipment box to move downwards to seal the liquid inlet of the battery, the second cylinder drives the equipment box to move upwards to reset, the sealed batteries are placed in the limit grooves of the bearing plate one by the last mechanical gripper, when the limit grooves on the bearing plate are full, the fourth cylinder drives the limit plate to move downwards, the clamp groove on the limit, the rotating motor rotates to enable each battery to rotate centrifugally on the bearing plate, so that the electrolyte in the batteries is soaked uniformly, the quality of the batteries is improved, and the conveying belt can pause when the auxiliary soaking assembly works.

The utility model has the advantages of simple and reasonable structure and simple operation; liquid, evacuation and infiltration are annotated with integrative to the collection, and each part is mutually supported, and whole flow links up smoothly, has improved notes liquid efficiency and has annotated the liquid precision, has improved the uniformity of infiltration, has further improved the quality and the life of battery, but continuity production, efficient, effectual.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of an automatic precise liquid injection device for a power battery according to an embodiment of the present invention;

fig. 2 is a bottom view of the stopper plate of fig. 1;

figure 3 is a top view of the carrier plate of figure 1.

In the figure: 1. the automatic filling machine comprises a base, 2 parts of a conveying belt, 3 parts of a battery, 4 parts of a filling head, 5 parts of a first air cylinder, 6 parts of a liquid storage box, 7 parts of a second air cylinder, 8 parts of a heat sealing machine, 9 parts of an exhaust pipe, 10 parts of a fourth air cylinder, 11 parts of a limiting plate, 12 parts of a third air cylinder, 13 parts of a bearing plate, 14 parts of a rotating motor and 15 parts of a clamping groove.

Detailed Description

The present invention will be described more clearly with reference to the accompanying drawings and specific embodiments in the embodiments of the present invention, and the description herein is only for explaining the present invention, but not for limiting the present invention. Based on the embodiments of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by those skilled in the art without creative efforts should be included in the protection scope of the present invention.

Examples

As shown in fig. 1-3, the utility model provides an automatic accurate priming device for power batteries, which comprises a base 1, wherein a support frame is fixed on the base 1, the lower surface of the support frame is provided with a filling component, a vacuumizing component and an auxiliary infiltration component in sequence, and a conveyer belt 2 is arranged on the base 1 corresponding to the filling component and the vacuumizing component;

the filling assembly comprises a liquid storage tank 6, a first air cylinder 5 and a filling head 4, wherein the liquid storage tank 6 is fixed on a support frame, the liquid storage tank 6 is communicated with the filling head 4 through a liquid inlet hose, and the filling head 4 is connected with the support frame through the first air cylinder 5;

the vacuumizing assembly comprises a second air cylinder 7, an exhaust tube 9 and a heat sealing machine 8, the second air cylinder 7 is fixed on the support frame, the telescopic end of the second air cylinder 7 is connected with an equipment box, a third air cylinder 12 is arranged in the equipment box, the telescopic end of the third air cylinder 12 penetrates through the bottom of the equipment box and then is fixedly connected with the exhaust tube 9, the exhaust tube 9 is connected with an air pump, and the heat sealing machine 8 is fixed at the bottom of the equipment box;

supplementary subassembly of infiltrating is including rotating motor 14, circular shape loading board 13 and limiting plate 11, rotate motor 14 and fix on base 1, rotate motor 14's output shaft and loading board 13's central fixed connection, evenly be covered with a plurality of spacing recesses on loading board 13, spacing recess is radial distribution along loading board 13's center, limiting plate 11's lower surface is equipped with the draw-in groove 15 with spacing recess one-to-one, and limiting plate 11's last fixed surface is connected with the connecting rod, the connecting rod passes through the bearing rotation with fourth cylinder 10's flexible end and is connected, fourth cylinder 10's stiff end and support frame fixed connection.

The liquid inlet hose is a spring pipe.

And a liquid level sensor is arranged in the liquid storage tank 6 and is connected with a switch valve of the filling head 4. The electrolyte injection device can accurately inject quantitative electrolyte into the battery 3, and the electrolyte injection quality is improved.

The base is provided with a controller on the base 1, the filling assembly and the vacuumizing assembly are provided with infrared sensors, and the infrared sensors, the driving of the conveying belt, the first cylinder 5, the second cylinder 7, the third cylinder 12, the fourth cylinder 10 and the rotating motor 14 are connected with the controller. The infrared sensor can detect the position that the battery transported filling subassembly and evacuation subassembly on the conveyer belt in time, realizes accurate filling and evacuation, has improved degree of automation, has improved the precision of annotating the liquid, has further improved notes liquid effect and efficiency.

When the filling device works, a battery 3 to be filled with liquid is placed on the conveying belt 2, when the battery is conveyed to the position below the filling assembly, the conveying belt 2 stops conveying, the first air cylinder 5 drives the filling head 4 to move downwards, the filling head 4 fills liquid into a liquid filling opening of the battery 3, after the liquid filling is finished, the first air cylinder 5 drives the filling head 4 to move upwards, the conveying belt 2 continues conveying the battery 3 with the liquid filling to the position below the vacuumizing assembly, the conveying belt 2 stops conveying, the third air cylinder 12 drives the air exhaust pipe 9 to move downwards to exhaust air in the battery 3, then the third air cylinder 12 drives the air exhaust pipe 9 to retract into the equipment box, the second air cylinder 7 drives the heat sealing machine 8 on the equipment box to move downwards to seal the liquid filling opening of the battery 3, the second air cylinder 7 drives the equipment box to move upwards to reset, finally, the mechanical claws place the sealed batteries 3 in the limiting grooves of the bearing plate 13 one by one, and, the fourth cylinder 10 drives the limiting plate 11 to move downwards, the clamping grooves 15 in the limiting plate 11 are clamped and sleeved on the upper portions of the batteries 3, the rotating motor 14 rotates, the batteries 3 rotate centrifugally on the bearing plate 13, electrolyte in the batteries 3 is soaked uniformly, the quality of the batteries is improved, and the conveying belt can pause when the auxiliary soaking assembly works.

The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an automatic accurate priming device of power battery, includes the base, its characterized in that: a supporting frame is fixed on the base, a filling assembly, a vacuumizing assembly and an auxiliary infiltration assembly are sequentially arranged on the lower surface of the supporting frame, and conveying belts are arranged on the bases corresponding to the filling assembly and the vacuumizing assembly;

2. The automatic accurate priming device of power battery of claim 1, characterized in that: the liquid inlet hose is a spring pipe.

3. The automatic accurate priming device of power battery of claim 1, characterized in that: and a liquid level sensor is arranged in the liquid storage tank and is connected with a switch valve of the filling head.

4. The automatic accurate priming device of power battery of claim 1, characterized in that: the base is provided with a controller, the filling assembly and the vacuumizing assembly are provided with infrared sensors, and the infrared sensors, the driving of the conveying belt, the first cylinder, the second cylinder, the third cylinder, the fourth cylinder and the rotating motor are connected with the controller.