CN218351511U

CN218351511U - Automatic pressurizing device for monocells

Info

Publication number: CN218351511U
Application number: CN202222295803.7U
Authority: CN
Inventors: 杨正维; 李国强; 官万兵; 杨钧; 王建新
Original assignee: Zhejiang Hydrogen Technology Co ltd
Current assignee: Zhejiang Hydrogen Technology Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-01-20
Anticipated expiration: 2032-08-30

Abstract

The utility model provides an automatic pressure device of monocell, including fixed plate, movable plate, loading system, lifter plate and pressurization piece, be equipped with the slide rail on the fixed plate, the movable plate with slide rail sliding connection, loading system includes lift actuating mechanism and lift jar, the lift jar includes cylinder body and telescopic link, the cylinder body is installed on the movable plate, the telescopic link passes the movable plate with the lifter plate is connected, lift actuating mechanism is suitable for the drive the lifter plate lift removal, the lifter plate with the pressurization piece is connected, the pressurization piece is including setting up the briquetting in the bottom, the pressurization piece is suitable for compressing tightly the monocell. The pressurizing structure of the device can be moved integrally, high-precision automatic pressurization can be realized through the cooperation of the pressurizing mechanism, the lifting plate and the pressurizing piece, the operation of disassembling and replacing the battery is more efficient and convenient, and the pressurizing operation is safer and more reliable.

Description

Automatic pressurizing device for monocells

Technical Field

The utility model relates to a battery processing equipment technical field particularly, relates to an automatic pressure device of monocell.

Background

The hydrogen fuel single cell directly converts the chemical energy of hydrogen and oxygen into electric energy through electrochemical reaction, and is one of the important directions for the development of new energy. The single cell production process needs to be tested, and the single cells are compressed during testing, so that the sealing performance between the cell pieces is kept, and the gas leakage is prevented, and the performance of the battery is influenced. In the prior art, a battery is generally compressed by a mechanical manual pressurizing device, but on one hand, the existing pressurizing device is inaccurate in controlling the pressure of the battery and is easy to crush the battery; on the other hand, manual operation for pressurization is inconvenient to operate in a limited space, and is long in time consumption, and the pressurizing device needs to be detached during battery assembly and replacement, so that the use is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the problem that will solve is how to improve the pressurization precision of monocell test to and how to improve simple operation nature and work efficiency.

In order to solve the problem, the utility model provides an automatic pressure device of monocell, including fixed plate, movable plate, loading system, lifter plate and pressurization piece, be equipped with the slide rail on the fixed plate, the movable plate with slide rail sliding connection, loading system includes lift actuating mechanism and lift jar, the lift jar includes cylinder body and telescopic link, the cylinder body is installed on the movable plate, the telescopic link passes the movable plate with the lifter plate is connected, lift actuating mechanism is suitable for the drive the lifter plate lift removal, the lifter plate with the pressurization piece is connected, the pressurization piece is including setting up the briquetting that adds in the bottom, the pressurization piece is suitable for compressing tightly the monocell.

Compared with the prior art, the utility model discloses an automatic pressure device of monocell can compress tightly the battery at the monocell test, keep the leakproofness between the battery piece, prevent to play gas, the pressurization structure of this device can the moving as a whole, through loading system, the cooperation of lifter plate and pressurization piece can realize high accuracy automatic pressurization, loading system has lift actuating mechanism, current manual pressurization mode has been replaced, it is more high-efficient convenient to make the dismouting change battery operation, and avoided leading to the condition of battery damage because of the manual operation atress inequality of people, pressurization operation safe and reliable more.

In a preferred or alternative aspect, the pressurization mechanism comprises a pressure sensor disposed between the telescoping rod and the lifter plate. The pressure sensor is arranged, so that the pressure applied to the battery by the device can be accurately controlled, the compression effect can be guaranteed, and the damage to the battery can be avoided.

In a preferred or alternative mode, the pressurizing piece comprises a connecting plate and a connecting rod, two ends of the connecting rod are respectively connected with the connecting plate and the pressurizing block, and the connecting plate is connected with the lifting plate. The pressurizing piece adaptation of this kind of structure is in battery testing arrangement, sets up the removal stroke that the connecting rod can shorten the lifter plate, reduces the damage risk, and the pressurizing piece can be changed according to the use scene, adapts to different batteries and test equipment.

In a preferred or alternative arrangement, a spacer is provided between the connecting plate and the lifter plate. The gasket can play buffering and insulating roles, and battery damage is avoided.

In a preferred or optional mode, the lifting device further comprises a proximity switch, the proximity switch is in signal connection with the lifting driving mechanism, a sensing plate matched with the proximity switch is arranged on the lifting plate, and the proximity switch is suitable for limiting the lifting stroke of the lifting plate. When the battery is replaced, the lifting driving mechanism automatically stops after rising to the proximity switch at the set position, so that the battery can be conveniently taken out for replacement.

In preferred or alternative, be equipped with the installation piece on the movable plate, be equipped with the pilot hole on the installation piece, proximity switch inserts the pilot hole forms the joint, the pilot hole is waist shape hole that extends from top to bottom, proximity switch is in the mounted position in the pilot hole is adjustable. The height of the proximity switch can be adaptively adjusted to adjust the lift stroke of the lifter plate.

In a preferred or alternative arrangement, the lifting drive mechanism is a servo motor. The servo motor has the advantages of accurate control stroke and quick response, and can realize automatic pressurization.

In a preferable or optional mode, the lifting plate further comprises a guide piece, the guide piece comprises a guide pillar and a guide sleeve, the guide sleeve is arranged on the moving plate, and the guide pillar penetrates through the guide sleeve and is connected with the lifting plate. The guide piece is arranged, so that the moving direction of the lifting plate is accurate and does not deviate from the set direction.

In a preferable or optional mode, the number of the slide rails is two, the two slide rails are located on two sides of the lifting cylinder, and the bottom of the moving plate is provided with a slide block corresponding to the slide rails. The slider and the slide rail cooperate to realize the rapid movement of the movable plate, and two guide rails are arranged to ensure the accuracy of the moving direction of the movable plate.

In a preferred or alternative aspect, the slide rail further comprises a slide driving mechanism adapted to drive the slide plate to move along the slide rail. The moving plate can be automatically moved by arranging the moving driving mechanism, and the operation is simpler, more convenient and more efficient.

Drawings

FIG. 1 is a top view of an automatic pressurization device for single cells according to an embodiment of the present invention;

fig. 2 is a bottom structure view of the automatic pressurization device for single cells in the embodiment of the present invention.

Description of reference numerals:

1-fixed plate, 11-slide rail, 12-guide sleeve, 13-guide column, 2-moving plate, 21-slide block, 22-mounting block, 23-assembly hole, 3-pressurizing mechanism, 31-lifting driving mechanism, 32-lifting cylinder, 33-pressure sensor, 4-lifting plate, 41-induction plate, 5-pressurizing piece, 51-connecting plate, 52-connecting rod, 53-pressurizing block, 6-gasket and 7-proximity switch.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be interpreted as limiting the present invention. The utility model discloses a be provided with coordinate system XYZ in the drawing of embodiment, wherein the place ahead is represented to the forward of X axle, and the back is represented to the reverse of X axle, and right-hand is represented to the forward of Y axle, and the left is represented to the reverse of Y axle, and the top is represented to the forward of Z axle, and the below is represented to the reverse of Z axle.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The preferred embodiments of the present invention will be described hereinafter with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.

With reference to fig. 1 and 2, an embodiment of the present invention provides an automatic pressurization device for a single cell, which is used for compressing a battery during a single cell test process, maintaining the sealing performance between battery pieces, and preventing air leakage. The automatic pressurizing device for the monocells comprises a fixed plate 1, a movable plate 2, a pressurizing mechanism 3, a lifting plate 4 and a pressurizing piece 5, wherein the fixed plate 1 is used for mounting and fixing the whole device, the fixed plate 1 can be fixedly connected with a rack through screws, in the embodiment, the fixed plate 1 is in a concave shape, and an avoiding space is formed in the middle of the fixed plate and is used for a pressurizing structure to pass through; a slide rail 11 is arranged on the fixed plate 1, the moving plate 2 is connected with the slide rail 11 in a sliding way, and the moving plate 2 can move back and forth (in the X-axis direction in the figure) relative to the fixed plate 1; the pressurizing mechanism 3 comprises a lifting driving mechanism 31 and a lifting cylinder 32, the lifting cylinder 32 comprises a cylinder body and an expansion link, the cylinder body is installed on the moving plate 2, the expansion link penetrates through the moving plate 2 to be connected with the lifting plate 4, the lifting driving mechanism 31 can drive the expansion link to move up and down, and the expansion link drives the lifting plate 4 to move up and down (in the Z-axis direction in the drawing) when expanding; the pressurizing piece 5 is connected with the lifting plate 4, a pressurizing block 53 is arranged at the bottom of the pressurizing piece 5, and the shape of the pressurizing block 53 is matched with the structure of a single cell and used for compressing the cell.

Above-mentioned automatic pressure device of monocell has portable combination and pressurization structure, the pressurization structure can the bulk movement, exert pressure to the monocell by lift actuating mechanism 31, do not need manual operation, guarantee that the battery atress is even, reduce the battery and damage the risk, the operation is safe and reliable more, after the test is accomplished, lift actuating mechanism 31 can drive and add pressure 5 and rise, remove movable plate 2 to the position of keeping away from the battery again, the battery dismouting of being convenient for is changed, the operation is very convenient high-efficient.

Further, the pressurizing mechanism 3 includes a pressure sensor 33 provided between the telescopic rod and the lifting plate 4. The pressure sensor 33 is used for monitoring the pressure exerted on the battery by the pressurizing member 5, so that the pressure can be accurately controlled, the compression effect can be ensured, and the damage to the battery can be avoided. In addition, the lifting driving mechanism 31 in this embodiment is a servo motor, which has the advantages of accurate control stroke and fast response, and can realize automatic pressurization.

As shown in fig. 1, the automatic pressurization device for a single cell further includes a guide part, the guide part includes a guide pillar 13 and a guide sleeve 12, the guide sleeve 12 is disposed on the moving plate 2, the guide pillar 13 passes through the guide sleeve 12 and is connected with the lifting plate 4, and the guide sleeve 12 limits the moving direction of the guide pillar 13 in the moving process of the lifting plate 4, so as to ensure that the movement direction of the pressurization part 5 is accurate, and the position deviation does not occur when the battery is pressed. The number of the guide members in this embodiment is two, and the guide members are respectively provided on the left and right sides of the lift cylinder 32, thereby improving the reliability of the guide.

The number of the slide rails 11 arranged on the moving plate 2 is two, and the two slide rails are respectively located on the left side and the right side of the lifting cylinder 32, the sliders 21 corresponding to the slide rails 11 are arranged at the bottoms of the left end and the right end of the moving plate 2, and the sliders 21 are movably connected with the sliders 21, so that the moving plate 2 can be rapidly moved. Further, the automatic pressurizing device for single batteries further comprises a moving driving mechanism (not shown in the figure) for driving the moving plate 2 to move along the slide rail 11, so that the moving plate 2 can automatically move, and the battery assembling and disassembling operation is simpler, more convenient and more efficient.

With reference to fig. 1, the pressing member 5 includes a connecting plate 51, a connecting rod 52 and a pressing block 53, which are sequentially connected from top to bottom, the connecting plate 51 is used to connect with the lifting plate 4, and the pressing member 5 can be replaced according to a use scenario and is adapted to different batteries and test equipment. A gasket 6 is arranged between the connecting plate 51 and the lifting plate 4, so that buffering and insulating effects can be achieved, and impact generated when the pressurizing block 53 is in contact with a battery is reduced. The connecting rod 52 can shorten the moving stroke of the lifting plate 4 and reduce the risk of damage to the lifting cylinder 32.

As shown in fig. 2, the automatic cell pressurizing device further includes a proximity switch 7, and the proximity switch 7 is in signal connection with the lifting drive mechanism 31. The moving plate 2 is provided with an installation block 22, the installation block 22 is provided with an assembly hole 23, and the proximity switch 7 is inserted into the assembly hole 23 to form clamping connection. The lifting plate 4 is provided with a sensing plate 41, the sensing plate 41 is matched with the proximity switch 7, and when the sensing plate 41 is close to the proximity switch 7, the proximity switch 7 sends a signal to the lifting driving mechanism 31 to control the lifting plate 4 to stop moving, so that the lifting stroke of the lifting plate 4 is limited. Further, the mounting hole 23 is a waist-shaped hole extending up and down, and the mounting position of the proximity switch 7 in the mounting hole 23 is adjustable, so that the height of the proximity switch 7 can be adaptively adjusted to adjust the maximum stroke of the lifting plate 4.

The automatic pressurizing device for the single cell of the embodiment is used as follows:

when the single cell is tested, the single cell is firstly installed on a clamp of a testing device, the moving plate 2 is moved to the position above the single cell, the lifting driving mechanism 31 controls the telescopic rod to extend out, the lifting plate 4 moves downwards, the pressurizing block 53 of the pressurizing piece 5 is contacted with the top surface of the single cell, the pressure sensor 33 feeds back the applied pressure, the lifting driving mechanism 31 stops pressurizing after the set pressure is reached, and the single cell can be tested; after the test is finished, the lifting driving mechanism 31 controls the telescopic rod to retract, the lifting plate 4 and the pressurizing piece 5 move upwards, the proximity switch 7 sends a signal when the sensing plate 41 moves to a set position, the lifting driving mechanism 31 controls the telescopic rod to stop moving, the testing device is opened, the moving plate 2 is moved to a position far away from the battery, and the battery can be taken out and replaced. The automatic pressurization is realized in the operation process, the pressure control precision is improved, the battery is prevented from being damaged, the battery replacement process is quick and efficient, and the production efficiency can be greatly improved.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The automatic pressurizing device for the monocells is characterized by comprising a fixing plate (1), a moving plate (2), a pressurizing mechanism (3), a lifting plate (4) and a pressurizing piece (5), wherein a sliding rail (11) is arranged on the fixing plate (1), the moving plate (2) is in sliding connection with the sliding rail (11), the pressurizing mechanism (3) comprises a lifting driving mechanism (31) and a lifting cylinder (32), the lifting cylinder (32) comprises a cylinder body and a telescopic rod, the cylinder body is installed on the moving plate (2), the telescopic rod penetrates through the moving plate (2) and is connected with the lifting plate (4), the lifting driving mechanism (31) is suitable for driving the lifting plate (4) to move up and down, the lifting plate (4) is connected with the pressurizing piece (5), the pressurizing piece (5) comprises a pressurizing block (53) arranged at the bottom, and the pressurizing block (53) is suitable for compressing the monocells.

2. The automatic pressurization device for single cells as claimed in claim 1, characterized in that said pressurization mechanism (3) comprises a pressure sensor (33), said pressure sensor (33) being provided between said telescopic rod and said lifting plate (4).

3. The automatic pressurization device for a single cell as claimed in claim 1, wherein the pressurization member (5) comprises a connection plate (51) and a connection rod (52), both ends of the connection rod (52) are respectively connected with the connection plate (51) and the pressurization block (53), and the connection plate (51) is connected with the lifting plate (4).

4. The automatic pressurization device for single cells according to claim 3, characterized in that a spacer (6) is provided between the connection plate (51) and the lifting plate (4).

5. The automatic pressurization device for single batteries according to claim 1, characterized in that it further comprises a proximity switch (7), said proximity switch (7) is in signal connection with said lifting driving mechanism (31), said lifting plate (4) is provided with a sensing plate (41) matching with said proximity switch (7), said proximity switch (7) is adapted to limit the lifting stroke of said lifting plate (4).

6. The automatic pressurization device for the single battery as claimed in claim 5, characterized in that a mounting block (22) is arranged on the moving plate (2), a mounting hole (23) is arranged on the mounting block (22), the proximity switch (7) is inserted into the mounting hole (23) to form clamping, the mounting hole (23) is a waist-shaped hole extending up and down, and the mounting position of the proximity switch (7) in the mounting hole (23) is adjustable.

7. The automatic pressurizing device for single cells as claimed in any one of claims 1 to 6, wherein the elevation driving mechanism (31) is a servo motor.

8. The automatic pressurization device for single cells as claimed in any one of claims 1 to 6, characterized by further comprising a guide member, wherein the guide member comprises a guide post (13) and a guide sleeve (12), the guide sleeve (12) is arranged on the moving plate (2), and the guide post (13) passes through the guide sleeve (12) and is connected with the lifting plate (4).

9. The automatic pressurizing device for single cells as claimed in any one of claims 1 to 6, wherein the number of the slide rails (11) is two, the two slide rails (11) are positioned on both sides of the lifting cylinder (32), and the bottom of the moving plate (2) is provided with a slide block (21) corresponding to the slide rails (11).

10. The automatic pressurization device for single cells according to claim 9, characterized by further comprising a movement driving mechanism adapted to drive the moving plate (2) to move along the slide rail (11).