Square lithium battery welding detection device

Abstract

A square lithium battery welding detection device comprises a detection conveying mechanism, a visual detection mechanism, a deburring mechanism and a short circuit detection mechanism, and the visual detection mechanism, the deburring mechanism and the short circuit detection mechanism are matched with the detection conveying mechanism and are sequentially arranged. The detection conveying mechanism is used for conveying the welded battery to the detection conveying mechanism, so that the welded battery is sequentially moved into the visual detection mechanism, the deburring mechanism and the short-circuit detection mechanism by the detection conveying mechanism, the welded battery is subjected to visual detection through the visual detection mechanism, the deburring mechanism is used for removing burrs on the surface of the welded battery, and the short-circuit detection mechanism is used for carrying out short-circuit detection on the battery; and the deburring mechanism is arranged at the front end of the short-circuit detection mechanism, so that the influence of burrs on the surface of the welded battery on the short-circuit detection mechanism is prevented, and the detection stability of the welding detection device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of battery welding devices, and in particular relates to a square lithium battery welding detection device. Background Art

[0002] Square aluminum shell lithium battery is an advanced battery technology. Due to its characteristics of lightweight, high energy density and long life, it has broad application prospects in consumer electronics, electric vehicles, energy storage and other fields. At present, square aluminum shell lithium batteries are increasingly used in the automotive and energy storage industries. The shell is generally a steel shell or an aluminum shell. With the market's pursuit of energy density and the advancement of production technology, square aluminum shell batteries have gradually become the mainstream. Square aluminum shell batteries have many advantages such as simple structure, good impact resistance, high energy density, and large single cell capacity. At present, the lithium battery welding equipment on the market is equipped with a detection device for detecting the welded battery, but the detection device will not process the burrs of the lithium battery before short-circuit detection of the battery. During the short-circuit detection, the battery needs to be clamped on the clamp. When the contact of the detection circuit abuts the lithium battery and the abutting force is too large, it is easy to cause the burrs to fall off, thereby causing the lithium battery to fall off from the clamp. Summary of the invention

[0003] In view of the above shortcomings, the technical problem to be solved by the utility model is to provide a square lithium battery welding detection device for ensuring the stability of lithium battery detection.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] A square lithium battery welding detection device comprises a detection conveying mechanism and a visual detection mechanism, a burr removal mechanism and a short circuit detection mechanism adapted to the detection conveying mechanism. The burr removal mechanism is arranged at the front end of the short circuit detection mechanism.

[0006] As a preferred solution of the utility model, the deburring mechanism includes a deburring clamp and a burr pressing component and a burr removal component arranged on both sides of the deburring clamp, and the burr removal component is arranged at the front end of the burr pressing component.

[0007] As a preferred solution of the utility model, the burr removal component includes a brush, a brush motor driving the brush to rotate, and a burr removal cylinder. The brush motor is connected to the brush, and the burr removal cylinder is connected to the brush to drive the brush to move.

[0008] As a preferred solution of the utility model, the burr pressing assembly is connected to the burr removal cylinder so that the burr pressing assembly and the brush are driven to move by the burr removal cylinder.

[0009] As a preferred solution of the utility model, the burr pressing assembly includes a fixed block and a pressing roller, the brush and the pressing roller are respectively fixed on the fixed block, and the fixed block is connected to the deburring cylinder.

[0010] As a preferred solution of the utility model, a dust collection cover is provided on the outer side of the brush.

[0011] As a preferred solution of the utility model, the short-circuit detection mechanism includes a short-circuit clamp, a short-circuit contact and a short-circuit drive. The short-circuit contact is arranged toward the short-circuit clamp. The short-circuit drive is connected to the short-circuit contact to drive the short-circuit contact to rise and fall.

[0012] As a preferred solution of the utility model, the short-circuit contact is connected to the short-circuit driving member through a short-circuit connecting frame. The short-circuit connecting frame includes an adjusting plate and a contact mounting plate. The adjusting plate is provided with a waist-shaped groove. The contact mounting plate is adjustably mounted in the waist-shaped groove, and the short-circuit contact is mounted on the contact mounting plate.

[0013] As a preferred solution of the utility model, the visual detection mechanism includes a visual clamping member, a camera and a visual detection driving member, the camera is installed on the visual detection driving member, and the camera is arranged toward the visual clamping member.

[0014] As a preferred solution of the utility model, the detection conveying mechanism includes a detection lifting seat, a detection lifting plate, a detection lifting screw assembly and a detection fixture. The detection lifting plate can be lifted and lowered on the detection lifting seat through the detection lifting screw assembly, and the detection fixture is installed on the detection lifting plate.

[0015] The beneficial effect of the utility model is that by arranging a burr removal mechanism at the front end of the short circuit detection mechanism, the burrs on the surface of the battery after welding are prevented from affecting the short circuit detection mechanism, thereby improving the detection stability of the welding detection device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a welding detection device.

[0017] Figure 2 It is a structural schematic diagram of the detection and conveying mechanism.

[0018] Figure 3 It is a structural diagram of a visual inspection mechanism.

[0019] Figure 4 It is a structural schematic diagram of the deburring mechanism.

[0020] Figure 5 This is a partial enlarged view of point A.

[0021] Figure 6 It is a structural schematic diagram of the short-circuit detection mechanism.

[0022] Figure 7 This is a partial enlarged view of point B.

[0023] Figure numerals: detection conveying mechanism 7, detection lifting seat 7-1, detection lifting plate 7-2, detection lifting screw assembly 7-3, detection fixture 7-4, slide rail 7-5, connecting plate 7-6, visual detection mechanism 8, visual clamping member 8-1, camera 8-2, visual detection driving member 8-3, horizontal visual driving motor 8-4, horizontal visual driving frame 8-5, horizontal visual slider 8-6, longitudinal visual driving motor 8-7, longitudinal visual driving frame 8-8, longitudinal visual slider 8-9 , deburring mechanism 9, deburring clamping piece 9-1, burr pressing assembly 9-2, burr removal assembly 9-3, brush 9-4, brush motor 9-5 for driving the brush 9-4 to rotate, deburring cylinder 9-6, fixing block 9-7, pressing roller 9-8, dust suction sleeve 9-9, short circuit detection mechanism 10, short circuit clamping piece 10-1, short circuit contact 10-2, short circuit driving piece 10-3, adjusting plate 10-4, contact mounting plate 10-5, waist-shaped groove 10-6, conveying stepping piece 11. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings.

[0025] A square lithium battery welding detection device comprises a detection conveying mechanism 7 and a visual detection mechanism 8, a burr removal mechanism 9 and a short circuit detection mechanism 10 adapted to the detection conveying mechanism 7. The visual detection mechanism 8, the burr removal mechanism 9 and the short circuit detection mechanism 10 are arranged in sequence, so that the detection conveying mechanism 7 can move the welded battery to the visual detection mechanism 8, the burr removal mechanism 9 and the short circuit detection mechanism 10 in sequence, and the welded battery is visually inspected by the visual detection mechanism 8. The burr removal mechanism 9 is used to remove the burrs on the surface of the battery after welding, and the short circuit detection mechanism 10 is used to perform short circuit detection on the battery. By arranging the burr removal mechanism 9 at the front end of the short circuit detection mechanism 10, the burrs on the surface of the battery after welding are prevented from affecting the short circuit detection mechanism 10, thereby improving the detection stability of the welding detection device.

[0026] The deburring mechanism 9 includes a deburring clamp 9-1 and a burr pressing component 9-2 and a burr removal component 9-3 arranged on both sides of the deburring clamp 9-1, which are convenient for deburring both sides of the battery after welding and improve the efficiency of deburring. The burr removal component 9-3 is arranged at the front end of the burr pressing component 9-2, and the burr pressing component 9-2 is used to press the part to be deburred, thereby further ensuring the flatness of the battery surface.

[0027] The burr removal component 9-3 includes a brush 9-4, a brush motor 9-5 for driving the brush 9-4 to rotate, and a deburring cylinder 9-6. The brush motor 9-5 is connected to the brush 9-4, and the deburring cylinder 9-6 is connected to the brush 9-4 to drive the brush 9-4 to move. The deburring cylinder 9-6 moves the brush 9-4 to the battery surface, and then the brush 9-4 is rotated by the brush motor 9-5, thereby removing the burrs on the battery surface by the brush 9-4.

[0028] The burr pressing assembly 9-2 is connected to the burr removal cylinder 9-6, and the burr pressing assembly 9-2 and the brush 9-4 are driven to move by the burr removal cylinder 9-6 at the same time, thereby simplifying the structure of the burr removal mechanism 9.

[0029] The burr pressing assembly 9-2 includes a fixed block 9-7 and a pressing roller 9-8. The brush 9-4 and the pressing roller 9-8 are respectively fixed on the fixed block 9-7. The fixed block 9-7 is connected to the deburring cylinder 9-6, which further simplifies the structure of the deburring mechanism 9 and reduces the equipment cost.

[0030] In order to prevent the removed burrs from splashing, a dust collection sleeve 9-9 is provided on the outer side of the brush 9-4, and the dust collection sleeve 9-9 is connected to an external vacuum cleaner to collect the fallen burrs.

[0031] The short-circuit detection mechanism 10 includes a short-circuit clamping member 10-1, a short-circuit contact 10-2 and a short-circuit driving member 10-3. The short-circuit contact 10-2 is arranged toward the short-circuit clamping member 10-1, and the short-circuit driving member 10-3 is connected to the short-circuit contact 10-2. The short-circuit driving member 10-3 drives the short-circuit contact 10-2 to rise and fall, so that the short-circuit contact 10-2 comes into contact with the motor of the battery, thereby realizing short-circuit detection.

[0032] The short-circuit contact 10-2 is connected to the short-circuit driving member 10-3 through a short-circuit connecting frame. The short-circuit connecting frame includes an adjusting plate 10-4 and a contact mounting plate 10-5. The adjusting plate 10-4 is provided with a waist-shaped groove 10-6. The contact mounting plate 10-5 is adjustably mounted in the waist-shaped groove 10-6. The short-circuit contact 10-2 is mounted on the contact mounting plate 10-5. Through the setting of the waist-shaped groove 10-6, it is convenient to adjust the installation position of the contact mounting plate 10-5, thereby changing the spacing between the short-circuit contacts 10-2, so as to facilitate short-circuit detection of batteries of different models.

[0033] The visual inspection mechanism 8 includes a visual clamping member 8-1, a camera 8-2 and a visual inspection driving member 8-3. The camera 8-2 is mounted on the visual inspection driving member 8-3, and the camera 8-2 is arranged toward the visual clamping member 8-1.

[0034] The visual detection drive component 8-3 includes a transverse vision drive motor 8-4, a transverse vision drive frame 8-5, a transverse vision slider 8-6, a longitudinal vision drive motor 8-7, a longitudinal vision drive frame 8-8 and a longitudinal vision slider 8-9. The transverse vision slider 8-6 is slidably installed on the transverse vision drive frame 8-5. The transverse vision drive motor 8-4 is connected to the transverse vision slider 8-6 through a screw rod to drive the transverse vision slider 8-6 to move. The longitudinal vision drive frame 8-8 is installed on the transverse vision slider 8-6. The longitudinal vision slider 8-9 is slidably installed on the longitudinal vision drive frame 8-8. The longitudinal vision drive motor 8-7 is connected to the longitudinal vision slider 8-9 through a screw rod. The camera 8-2 is installed on the longitudinal vision slider 8-9.

[0035] It should be noted that the camera 8-2 in the present application is a common camera used for visual detection on the market, and the present application does not improve the camera for visual detection and the working principle of visual detection.

[0036] The detection and conveying mechanism 7 includes a detection lifting seat 7-1, a detection lifting plate 7-2, a detection lifting screw assembly 7-3 and a detection fixture 7-4. The detection lifting plate 7-2 can be lifted and lowered on the detection lifting seat 7-1 through the detection lifting screw assembly 7-3. The detection fixture 7-4 is installed on the detection lifting plate 7-2. In this embodiment, the lifting seat 7-1 is slidably installed through a slide rail 7-5, so as to facilitate the detection and conveying mechanism 7 to move to the bottom of the visual inspection mechanism 8, the burr removal mechanism 9 and the short-circuit detection mechanism 10.

[0037] Four detection and conveying mechanisms 7 and conveying steppers 11 are provided in the detection device. A detection and conveying mechanism 7 is correspondingly adapted under each of the visual detection mechanism 8, the burr removal mechanism 9 and the short-circuit detection mechanism 10. Adjacent detection and conveying mechanisms 7 are connected by connecting plates 7-6. The conveying steppers 11 are connected to the connecting plates 7-6. The connecting plates 7-6 are driven to translate by the conveying steppers 11, thereby facilitating driving the detection and conveying mechanisms 7.

[0038] In the initial state, the detection and conveying mechanism 7 at the end is used to receive the battery to be detected. The detection and conveying mechanism 7 works, and the four detection and conveying mechanisms 7 respectively perform material receiving, visual inspection, burr removal, and short-circuit inspection. After the inspection is completed, the detection and conveying mechanism 7 clamps and lowers the battery, and then the conveying stepper 11 works to drive the detection and conveying mechanism 7 to move forward one station as a whole. At this time, the frontmost detection and conveying mechanism 7 is located at the unloading station, and the detection and conveying mechanism 7 works to lift the battery. The four detection and conveying mechanisms 7 respectively perform visual inspection, burr removal, short-circuit inspection, and unloading. When the battery is clamped at the corresponding detection or unloading station, the detection and conveying mechanism 7 descends, and the conveying stepper 11 resets all the detection and conveying mechanisms 7 to the initial state (the detection and conveying mechanism 7 at the end is at the station for receiving the battery to be detected); thereby realizing different inspections on multiple batteries at the same time and improving the inspection efficiency of the device.

[0039] In this embodiment, the conveying stepper 11 is used to translate the detection conveying mechanism 7. It can adopt a structure in which a motor, a screw slider mechanism are coordinated, or a structure in which a motor, a belt, and a pulley are coordinated. This application does not involve improving the detection conveying mechanism 7.

[0040] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention; therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

[0041] Although this article uses more terms corresponding to the figure marks in the figures, it does not exclude the possibility of using other terms; these terms are used only to more conveniently describe and explain the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A square lithium battery welding detection device, characterized in that: It comprises a detection and conveying mechanism (7), a visual detection mechanism (8) adapted to the detection and conveying mechanism (7), a burr removal mechanism (9), and a short circuit detection mechanism (10), wherein the burr removal mechanism (9) is arranged at the front end of the short circuit detection mechanism (10); The deburring mechanism (9) comprises a deburring clamp (9-1), a burr pressing assembly (9-2) and a burr removal assembly (9-3) arranged on both sides of the deburring clamp (9-1), and the burr removal assembly (9-3) is arranged at the front end of the burr pressing assembly (9-2); The burr removal component (9-3) comprises a brush (9-4), a brush motor (9-5) for driving the brush (9-4) to rotate, and a burr removal cylinder (9-6); the brush motor (9-5) is connected to the brush (9-4), and the burr removal cylinder (9-6) is connected to the brush (9-4) to drive the brush (9-4) to move.

2. A square lithium battery welding detection device according to claim 1, characterized in that: The burr pressing assembly (9-2) is connected to the burr removal cylinder (9-6), so that the burr pressing assembly (9-2) and the brush (9-4) are driven to move via the burr removal cylinder (9-6).

3. A square lithium battery welding detection device according to claim 2, characterized in that: The burr pressing assembly (9-2) comprises a fixed block (9-7) and a pressing roller (9-8); the brush (9-4) and the pressing roller (9-8) are respectively fixed on the fixed block (9-7); and the fixed block (9-7) is connected to the burr removal cylinder (9-6).

4. A square lithium battery welding detection device according to claim 1, characterized in that: The outer side of the brush (9-4) is provided with a dust collecting sleeve (9-9).

5. A square lithium battery welding detection device according to claim 1, characterized in that: The short-circuit detection mechanism (10) comprises a short-circuit clamp (10-1), a short-circuit contact (10-2) and a short-circuit drive (10-3); the short-circuit contact (10-2) is arranged toward the short-circuit clamp (10-1); and the short-circuit drive (10-3) is connected to the short-circuit contact (10-2) to drive the short-circuit contact (10-2) to rise and fall.

6. A square lithium battery welding detection device according to claim 5, characterized in that: The short-circuit contact (10-2) is connected to the short-circuit drive member (10-3) via a short-circuit connection frame, the short-circuit connection frame comprises an adjustment plate (10-4) and a contact mounting plate (10-5), the adjustment plate (10-4) is provided with a waist-shaped groove (10-6), the contact mounting plate (10-5) is adjustably mounted in the waist-shaped groove (10-6), and the short-circuit contact (10-2) is mounted on the contact mounting plate (10-5).

7. A square lithium battery welding detection device according to claim 1, characterized in that: The visual inspection mechanism (8) comprises a visual clamping member (8-1), a camera (8-2) and a visual inspection driving member (8-3); the camera (8-2) is mounted on the visual inspection driving member (8-3), and the camera (8-2) is arranged toward the visual clamping member (8-1).

8. A square lithium battery welding detection device according to claim 1, characterized in that: The detection conveying mechanism (7) comprises a detection lifting seat (7-1), a detection lifting plate (7-2), a detection lifting screw assembly (7-3) and a detection fixture (7-4); the detection lifting plate (7-2) is mounted on the detection lifting seat (7-1) in a liftable manner via the detection lifting screw assembly (7-3); and the detection fixture (7-4) is mounted on the detection lifting plate (7-2).

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