Air tightness detection device for polar plate

Abstract

The utility model relates to an air tightness detection device for a polar plate, which comprises a machine body, an upper clamping plate and a lower clamping plate arranged in the machine body, a first electric push rod fixedly connected to the top of the machine body and used for controlling the upper clamping plate to move up and down, a driving mechanism arranged at the bottom of the machine body, and a barometer arranged on the upper clamping plate and used for detecting air pressure. A detection mechanism is fixedly connected in the machine body, a stabilizing mechanism is fixedly connected in the machine body, the detection mechanism comprises a frame body fixedly connected in the machine body, and a second electric push rod is fixedly connected to the top of the frame body. According to the air tightness detection device for the polar plate, during detection, an air pump is communicated with an air inlet hole in an upper clamping plate through an air outlet nozzle, an air pressure meter displays an air pressure value in real time, a visual detection result is provided for detection personnel, in addition, a third electric push rod and a clamping block in a stabilizing mechanism can ensure the stability of the polar plate in the detection process, and the detection efficiency is improved. And a detection error caused by shaking of the polar plate is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of polar plate detection, specifically to a kind of air tightness detection device for polar plate. BACKGROUND

[0002] Polar plate is the electrode of active material and "current collector", and polar plate is the net structure made of lead, and active material of chemical reaction is applied on it, and in battery manufacturing industry, polar plate air tightness detection is the key link to ensure battery performance and quality.

[0003] Traditional air tightness detection method often relies on manual operation, not only inefficient, but also detection result is susceptible to human factors, leading to detection accuracy and consistency difficult to guarantee, and the structure design of traditional detection device is often more complex, and operation is cumbersome, not conducive to fast and efficient large-scale production detection, so a kind of air tightness detection device for polar plate is presented to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of prior art, the utility model provides an air tightness detection device for polar plate, has equal advantages, solves the problem.

[0005] To achieve the above object, the utility model provides the following technical scheme: an air tightness detection device for polar plate, including body, the body inside is provided with upper clamping plate and lower clamping plate, the body top is fixedly connected with the first electric push rod for controlling the up-and-down movement of upper clamping plate, the body bottom is provided with drive mechanism, upper clamping plate is provided with barometer for detecting air pressure, the body inside is fixedly connected with detection mechanism, the body inside is fixedly connected with stabilizing mechanism.

[0006] Further, the detection mechanism includes frame body fixedly connected to the inside of body, the frame body top is fixedly connected with second electric push rod, the second electric push rod output shaft end is fixedly connected with air pump, the air pump outlet end is fixedly connected with outlet nozzle, the upper clamping plate side is provided with the air inlet hole of size matching with outlet nozzle;

[0007] The stabilizing mechanism includes stabilizing shell fixedly connected to the outer surface of lower clamping plate, the body inside is fixedly connected with fixed frame, the fixed frame top is fixedly connected with third electric push rod, the third electric push rod outer surface is fixedly connected with clamping block.

[0008] Further, the drive mechanism includes motor fixedly connected to the inside of body, one end of the motor is fixedly connected with threaded rod, the threaded rod outer surface is screw-connected with threaded block, the body inside is provided with moving groove for the movement of threaded block, and the threaded block top is fixedly connected with lower clamping plate.

[0009] Compared with the prior art, the technical scheme of the application has the following beneficial effects:

[0010] The air-tightness detection device for the polar plate, when detecting, the air pump is connected in communication with the air inlet hole on the upper clamping plate through the air outlet nozzle, and the air pressure gauge displays the air pressure value in real time, thereby providing an intuitive detection result for the detection personnel; in addition, the third electric push rod and the clamping block in the stabilizing mechanism can ensure the stability of the polar plate during the detection process, thereby avoiding detection errors caused by shaking of the polar plate. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structural schematic view of the utility model;

[0012] Figure 2 It is a structural schematic view of the utility model body;

[0013] Figure 3 It is the utility model Figure 1 It is an enlarged view of A in the middle;

[0014] Figure 4 It is a detection mechanism schematic view of the utility model.

[0015] In the figure: 1 body, 2 lower clamping plate, 3 upper clamping plate, 301 air inlet hole, 4 driving mechanism, 401 motor, 402 threaded block, 403 threaded rod, 5 first electric push rod, 6 stabilizing mechanism, 601 fixed frame, 602 third electric push rod, 603 clamping block, 604 stabilizing shell, 7 detection mechanism, 701 frame body, 702 second electric push rod, 703 air pump, 704 air outlet nozzle. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0017] Please refer to Figures 1-4 A kind of air-tightness detection device for polar plate in the embodiment, including body 1, body 1 inside is provided with upper clamping plate 3 and lower clamping plate 2, upper clamping plate 3 and lower clamping plate 2 connecting place can be provided with sealing ring to increase sealing property, body 1 top is fixedly connected with the first electric push rod 5 for controlling the up-and-down movement of upper clamping plate 3, upper clamping plate 3 is provided with air pressure gauge for detecting air pressure, body 1 bottom is provided with driving mechanism 4, body 1 inside is fixedly connected with detection mechanism 7, body 1 inside is fixedly connected with stabilizing mechanism 6.

[0018] The detection mechanism 7 comprises a frame body 701 fixedly connected to the inside of the body 1, a second electric push rod 702 fixedly connected to the top of the frame body 1, a gas pump 703 fixedly connected to the output shaft end of the second electric push rod 702, and a gas outlet 704 fixedly connected to the gas outlet end of the gas pump 703. The upper clamping plate 3 is provided with an air inlet hole 301 matching the size of the gas outlet 704.

[0019] Secondly, the stabilizing mechanism 6 comprises a stabilizing shell 604 fixedly connected to the outer surface of the lower clamping plate 2, a fixed frame 601 fixedly connected to the inside of the body 1, a third electric push rod 602 fixedly connected to the top of the fixed frame 601, and a clamping block 603 fixedly connected to the outer surface of the third electric push rod 602.

[0020] In addition, the driving mechanism 4 comprises a motor 401 fixedly connected to the inside of the body 1, a threaded rod 403 fixedly connected to one end of the motor 401, a threaded block 402 threadedly connected to the outer surface of the threaded rod 403, a moving groove provided in the inside of the body 1 for the movement of the threaded block 402, and the threaded block 402 fixedly connected to the top of the lower clamping plate 2.

[0021] The device has a compact structure, the connection between the components is stable, and the vibration and impact during the detection process can be effectively resisted. At the same time, the moving groove provided in the inside of the body 1 provides sufficient space for the movement of the threaded block 402 and other components, ensuring smooth operation of the detection device.

[0022] Through the cooperation of the motor 401, the threaded rod 403 and the threaded block 402, the automatic lifting of the lower clamping plate 2 is realized, thereby simplifying the operation process and improving the detection efficiency. At the same time, the automatic control of the up-and-down movement of the upper clamping plate 3 by the first electric push rod 5 and the air pressure detection by the second electric push rod 702 driving the gas pump 703 are realized, which reduces the manual intervention and improves the accuracy and consistency of the detection.

[0023] The working principle of the above embodiment is as follows:

[0024] The air-tightness detection device for the polar plate is connected in communication with the air inlet hole 301 on the upper clamping plate 3 through the gas outlet 704 of the gas pump 703 during detection, and the air pressure gauge displays the air pressure value in real time, providing an intuitive detection result for the detection personnel. In addition, the third electric push rod 602 and the clamping block 603 in the stabilizing mechanism 6 can ensure the stability of the polar plate during the detection process, avoiding detection errors caused by the shaking of the polar plate.

[0025] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0026] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. An airtightness testing device for electrode plates, comprising a body (1), characterized in that: The machine body (1) is provided with an upper clamping plate (3) and a lower clamping plate (2) inside. The top of the machine body (1) is fixedly connected with a first electric push rod (5) for controlling the upper clamping plate (3) to move up and down. The upper clamping plate (3) is provided with a pressure gauge for detecting air pressure. The bottom of the machine body (1) is provided with a drive mechanism (4). The machine body (1) is fixedly connected with a detection mechanism (7). The machine body (1) is fixedly connected with a stabilizing mechanism (6). The detection mechanism (7) includes a frame (701) fixedly connected inside the body (1), a second electric push rod (702) fixedly connected to the top of the frame (701), an air pump (703) fixedly connected to the end of the output shaft of the second electric push rod (702), an air outlet (704) fixedly connected to the air outlet end of the air pump (703), and an air inlet (301) with a size matching the air outlet (704) is provided on the side of the upper clamping plate (3); The stabilizing mechanism (6) includes a stabilizing shell (604) fixedly connected to the outer surface of the lower clamping plate (2), a fixing frame (601) fixedly connected inside the body (1), a third electric push rod (602) fixedly connected to the top of the fixing frame (601), and a locking block (603) fixedly connected to the outer surface of the third electric push rod (602).

2. The airtightness testing device for electrode plates according to claim 1, characterized in that: The drive mechanism (4) includes a motor (401) fixedly connected inside the body (1). One end of the motor (401) is fixedly connected to a threaded rod (403). A threaded block (402) is threadedly connected to the outer surface of the threaded rod (403). A moving groove for the threaded block (402) to move is provided inside the body (1). The top of the threaded block (402) is fixedly connected to the lower clamping plate (2).

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