CN219607951U

CN219607951U - Laser correlation error-proofing detection device for lithium ion battery top cover

Info

Publication number: CN219607951U
Application number: CN202321309327.8U
Authority: CN
Inventors: 聂文君; 徐庆禧; 年夫娣
Original assignee: Anhui Lixiang Battery Technology Co ltd
Current assignee: Anhui Lixiang Battery Technology Co ltd
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2023-08-29
Anticipated expiration: 2033-05-25

Abstract

The utility model discloses a laser correlation error-proofing detection device for a lithium ion battery top cover, which comprises a detection table, a detection assembly and a lifting assembly. The detection assembly includes a laser transmitter and a laser receiver. The laser transmitter and the laser receiver are mutually matched and are symmetrically distributed along the center of the detection table. The lifting component is arranged on the detection table and used for driving the detection component to lift in the vertical direction. According to the lithium battery top cover detection device, the lifting assembly is arranged to drive the detection assembly to lift in the vertical direction, the laser emitter and the laser receiver of the detection assembly are utilized to detect the lithium battery top cover gradually from top to bottom or from bottom to top, the problems that in the assembly production of the battery top cover, the quality requirement of a product cannot be guaranteed, scrapping and cost waste are caused due to poor assembly are effectively solved, and the detection device is simple in structure, convenient to operate and high in practicability.

Description

Laser correlation error-proofing detection device for lithium ion battery top cover

Technical Field

The utility model relates to the technical field of lithium ion batteries, in particular to a laser correlation error-proofing detection device for a top cover of a lithium ion battery.

Background

Lithium batteries are a type of high-performance battery and are widely used in various portable electronic devices. In the process of the production and assembly of the lithium ion battery top cover, the problems that the top cover spare and accessory parts are easy to assemble and not in place and the like are generated, and because of the structure, chemical characteristics and the like, if the top cover is not properly installed in the manufacturing process of the lithium ion battery, the potential safety hazards of the battery such as internal leakage, short circuit and the like exist, and serious accidents such as fire or explosion and the like are caused. Therefore, in order to ensure that the produced lithium battery has no hidden danger, the lithium battery needs to be detected, at present, manual detection or mechanical detection is generally adopted, the manual detection precision is low, the efficiency is low, the mechanical detection is easily influenced by physical environment change, the tool is also required to be calibrated regularly, and the efficiency is also low.

Disclosure of Invention

The utility model aims to provide a laser correlation error-proofing detection device for a lithium ion battery top cover.

The aim of the utility model can be achieved by the following technical scheme:

a laser correlation error-proofing detection device for a lithium ion battery top cover comprises a detection table, a detection assembly and a lifting assembly.

The detection assembly includes a laser transmitter and a laser receiver. The laser transmitter and the laser receiver are mutually matched and are symmetrically distributed along the center of the detection table.

The lifting component is arranged on the detection table and used for driving the detection component to lift in the vertical direction.

As a further scheme of the utility model: the lifting assembly comprises a detection frame, a first screw rod, a lifting frame and two cross bars.

The detection frame is arranged on the detection table and provided with a lifting hole.

The first screw rod is vertically arranged, two ends of the first screw rod are rotatably arranged in the lifting hole, and one end of the first screw rod is connected with a detection motor.

The lifting frame is slidably arranged in the lifting hole and is in threaded fit with the screw rod.

The two cross bars are respectively arranged at the two ends of the lifting frame.

Wherein, laser emitter and laser receiver are installed respectively on two crossbars.

As a further scheme of the utility model: the cross bar is provided with an adjusting groove. And a screw rod II is rotatably arranged in the adjusting groove. One end of the second screw rod is connected with an adjusting motor. An adjusting block is slidably arranged in the adjusting groove. The adjusting block is matched with the screw rod II through threads. The adjusting block is used for installing a laser transmitter or a laser receiver.

As a further scheme of the utility model: the detection table is provided with a clamping assembly, and the clamping assembly comprises two piston channels, two clamping blocks and a pressing plate.

The two piston channels are symmetrically arranged in a groove preset in the middle of the detection table. Piston blocks are arranged at two ends of the piston channel.

The two clamping blocks are positioned at the opening of the groove and are respectively connected with the piston blocks in the two piston channels through the ejector rods.

The clamp plate level sets up in the recess, and the lower surface is connected with the inside piston piece of two piston channels through two depression bars.

As a further scheme of the utility model: the clamping block is provided with a protection pad.

The utility model has the beneficial effects that:

according to the lithium battery top cover detection device, the lifting assembly is arranged to drive the detection assembly to lift in the vertical direction, the laser emitter and the laser receiver of the detection assembly are utilized to detect the lithium battery top cover gradually from top to bottom or from bottom to top, the problems that in the assembly production of the battery top cover, the quality requirement of a product cannot be guaranteed, scrapping and cost waste are caused due to poor assembly are effectively solved, and the detection device is simple in structure, convenient to operate and high in practicability.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of a laser correlation error-proofing detection device for a lithium ion battery top cover;

FIG. 2 is a schematic diagram of the structure of the detecting unit in the present utility model.

In the figure: 1. a detection table; 2. a detection frame; 3. lifting holes; 4. a lifting frame; 5. a cross bar; 6. detecting a motor; 7. an adjustment tank; 8. an adjusting block; 9. a laser emitter; 10. adjusting a motor; 11. a groove; 12. a piston passage; 13. a piston block; 14. a push rod; 15. a clamping block; 16. a pressing plate; 17. and (5) pressing the rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the utility model discloses a laser correlation error-proofing detection device for a lithium ion battery top cover, which comprises a detection table 1, a detection assembly, a lifting assembly and the like.

The detection assembly comprises a laser transmitter 9 and a laser receiver. The laser transmitter 9 and the laser receiver are matched with each other and are symmetrically distributed along the center of the detection table 1.

The lifting component is arranged on the detection table 1 and used for driving the detection component to lift in the vertical direction.

It should be noted that the utility model is mainly used for detecting whether the top cover is normally installed in the manufacturing process of the lithium battery so as to prevent potential safety hazards such as internal leakage or short circuit of the battery caused by incorrect installation of the top cover. In the technology, a laser beam passes through the top cover and is received by the receiver, and whether the top cover is normal or not is judged by detecting the time difference of laser transmission. If an anomaly is detected, an alarm is triggered or the production line is stopped to avoid the occurrence of a safety accident.

According to the utility model, the lifting assembly is arranged to drive the detection assembly to lift in the vertical direction, the laser transmitter 9 and the laser receiver of the detection assembly are utilized to detect the lithium battery top cover gradually from top to bottom or from bottom to top, the problems that the quality requirement of a product cannot be guaranteed, scrapping and cost waste are caused due to poor assembly in the assembly production of the battery top cover are effectively solved, and the detection device has the advantages of simple structure, convenience in operation and high practicability.

In the utility model, the specific type of the lifting component is not limited, and the lifting component can drive the laser emitter 9 and the laser receiver to synchronously lift, for example, in some embodiments, two cylinders can be adopted and symmetrically arranged on the detection table 1, and the two cylinders are respectively connected with the laser emitter 9 and the laser receiver, and only the two cylinders are controlled to synchronously work. Of course, in other embodiments, the lifting assembly may also include a test rack 2, a first lead screw, a lifting rack 4, and two rails 5, taking into account synchronicity.

The detection frame 2 is arranged on the detection table 1 and provided with a lifting hole 3.

The first screw rod is vertically arranged, two ends of the first screw rod are rotatably arranged in the lifting hole 3, and one end of the first screw rod is connected with a detection motor 6.

The lifting frame 4 is slidably arranged in the lifting hole 3 and is in threaded fit with the screw rod.

Two cross bars 5 are respectively arranged at two ends of the lifting frame 4.

Wherein the laser transmitter 9 and the laser receiver are mounted on the two rails 5, respectively.

In order to ensure stability, the detection frame 2 should be in sliding contact with the wall of the lifting hole 3 to prevent the rotation of the detection frame 2, and a guide rod parallel to the first screw rod may be disposed, and the guide rod may extend through the detection frame 2.

When the lithium battery top cover detection device is used, the detection motor 6 works to drive the first screw rod to rotate, the first screw rod drives the detection frame 2 to lift in the lifting hole 3, and the lifting of the detection frame 2 drives the cross rod 5, the laser emitter 9 of the cross rod 5 and the laser receiver to synchronously lift, so that comprehensive detection of the lithium battery top cover is realized.

In a further embodiment, the cross bar 5 may be provided with an adjustment slot 7 for improved practicality. And a second screw rod is rotatably arranged in the adjusting groove 7. One end of the second screw rod is connected with an adjusting motor 10. An adjusting block 8 is slidably arranged in the adjusting groove 7. The adjusting block 8 is in threaded fit with the screw rod II. The adjusting block 8 is used for mounting a laser transmitter 9 or a laser receiver. The guide structure may be provided in the adjustment groove 7 to prevent the adjustment block 8 from rotating in the adjustment groove 7. Through setting up lead screw two, accommodate motor 10 and regulating block 8, when accommodate motor 10 rotates, utilize lead screw two to drive regulating block 8 and control in adjusting tank 7 to change the testing position, can detect lithium cell different positions, improve the practicality, it is noted that in this process, the motor on both sides needs synchronous regulation, guarantees that laser emitter 9 and laser receiver are corresponding.

In some embodiments of the present utility model, a clamping assembly may also be provided on the inspection station 1, the clamping assembly comprising two piston channels 12, two clamping blocks 15 and a pressure plate 16.

The two piston channels 12 are symmetrically arranged in a groove 11 preset in the middle of the detection table 1. Piston blocks 13 are mounted at both ends of the piston channel 12.

The two clamping blocks 15 are positioned at the opening of the groove 11 and are respectively connected with the piston blocks 13 inside the two piston channels 12 through the ejector rods 14.

The pressure plate 16 is horizontally arranged in the groove 11 and the lower surface is connected with the piston blocks 13 inside the two piston channels 12 by two pressure rods 17.

When the lithium battery detection device is used, an assembled lithium battery is placed on the pressing plate 16, the pressing plate 16 is pressed down to drive the pressing rod 17 to descend, and under the action of the piston channel 12, the upper ejector rod 14 is ejected, so that the two clamping blocks 15 clamp the middle lithium battery, and inaccurate detection results caused by battery movement during detection are prevented.

Of course, a return spring can be further disposed between the pressing plate 16 and the bottom of the groove 11, and after the battery is removed, the pressing plate 16 can be reset to wait for clamping the battery next time, and it should be noted that the elastic force of the return spring is not easy to be too large and is less than the weight of the battery.

Further, considering that the clamping block 15 damages the battery, a protection pad can be arranged on the clamping block 15 to protect the outer wall of the battery.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. Laser correlation error-proofing detection device of lithium ion battery top cap, its characterized in that includes:

a detection table (1);

a detection assembly comprising a laser transmitter (9) and a laser receiver; the laser transmitter (9) and the laser receiver are matched with each other and are symmetrically distributed along the center of the detection table (1); and

and the lifting assembly is arranged on the detection table (1) and is used for driving the detection assembly to lift in the vertical direction.

2. The device for detecting laser correlation error in a top cover of a lithium ion battery according to claim 1, wherein the lifting assembly comprises:

the detection frame (2) is arranged on the detection table (1) and provided with a lifting hole (3);

the first screw rod is vertically arranged, two ends of the first screw rod are rotatably arranged in the lifting hole (3), and one end of the first screw rod is connected with a detection motor (6);

the lifting frame (4) is slidably arranged in the lifting hole (3) and is in threaded fit with the screw rod; and

two cross bars (5) which are respectively arranged at two ends of the lifting frame (4);

wherein the laser transmitter (9) and the laser receiver are respectively arranged on the two cross bars (5).

3. The laser correlation error-proofing detection device for the lithium ion battery top cover according to claim 2 is characterized in that an adjusting groove (7) is formed in the cross rod (5); a second screw rod is rotatably arranged in the adjusting groove (7); one end of the second screw rod is connected with an adjusting motor (10); an adjusting block (8) is arranged in the adjusting groove (7) in a sliding manner; the adjusting block (8) is in threaded fit with the screw rod II; the adjusting block (8) is used for installing the laser transmitter (9) or the laser receiver.

4. The device for detecting laser correlation error prevention of a lithium ion battery top cover according to claim 1, wherein a clamping assembly is arranged on the detection table (1), and the clamping assembly comprises:

the two piston channels (12) are symmetrically arranged in a groove (11) preset in the middle of the detection table (1); piston blocks (13) are arranged at two ends of the piston channel (12);

the two clamping blocks (15) are positioned at the opening of the groove (11) and are respectively connected with the piston blocks (13) in the two piston channels (12) through ejector rods (14); and

the pressing plate (16) is horizontally arranged in the groove (11), and the lower surface of the pressing plate is connected with the piston blocks (13) in the two piston channels (12) through two pressing rods (17).

5. The laser correlation error-proofing detection device for the top cover of the lithium ion battery according to claim 4, wherein a protection pad is arranged on the clamping block (15).