CN218157603U

CN218157603U - Electricity core detection device

Info

Publication number: CN218157603U
Application number: CN202221947354.3U
Authority: CN
Inventors: 叶宗锋; 杨德伟
Original assignee: Suzhou Jieruisi Intelligent Technology Co ltd
Current assignee: Suzhou Jieruisi Intelligent Technology Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-12-27
Anticipated expiration: 2032-07-27

Abstract

The utility model discloses an electricity core detection device, including a conveying unit, a detecting element and a unit in a poor light. The conveying unit comprises two conveying belts arranged in parallel, and the upper surfaces of the two conveying belts are used for bearing a battery cell to be tested. The detection unit is arranged above the two conveyor belts, and the backlight unit is arranged in the two conveyor belts and used for providing illumination from the lower part of the battery cell to be detected. The utility model discloses an electricity core detection device passes through the conveyer belt and carries the electric core that awaits measuring to provide the backlight illumination in electric core below, gather the image and detect above electric core, can realize detection mechanism's compact structure, be convenient for assemble the unloading conveyer belt of coiler, saved production space.

Description

Electricity core detection device

Technical Field

The utility model belongs to lithium cell automation equipment field especially relates to a device that detects is carried out electric core.

Background

The battery winder is a mechanical device for manufacturing lithium ion batteries, and winds a positive plate, a negative plate, a diaphragm and the like which are arranged in a stacked mode by using a winding needle to form a battery core. After the cell winding is finished, the cell is separated from the winding needle, and then the cell is transferred to a conveyor belt and is moved out of the winding machine along with the conveyor belt so as to perform cell detection operation. Such a device is described in detail in the chinese patent document No. CN1193195a, which is published in 1998 at 9, 16.

The cell inspection operation includes various visual inspections, such as the alignment of the cell by X-ray, the presence or absence of wrinkles inside the cell, and the presence or absence of scratches or stains on the surface of the cell or the presence or absence of external dimensions meeting predetermined criteria by using an industrial camera.

Chinese utility model patent No. CN208420727U discloses an independent electric core appearance detection device, which is specially used for detecting the appearance characteristics of an electric core. However, this requires that the cells are collected from the conveyor belt of the winding machine and transferred to the detection equipment, and the process is complicated, which is not favorable for reasonable utilization of the production space.

SUMMERY OF THE UTILITY MODEL

For solving the problem that above-mentioned background art exists, the utility model provides a compact structure's electric core detection device.

The utility model provides an electricity core detection device includes a conveying unit, a detecting element and a unit in a poor light. The conveying unit comprises two conveying belts which are arranged in parallel, and the upper surfaces of the two conveying belts are used for bearing a battery cell to be tested; the detection unit is arranged above the two conveyor belts; the backlight unit is arranged in the two conveyor belts and used for providing illumination from the lower part of the battery cell to be tested.

The utility model discloses an embodiment of electricity core detection device, the conveyer belt sets up between the mounting panel of two relative settings, the one end of two mounting panels sets up a driving shaft fixedly, and the other end adjustably sets up a driven shaft, set up two synchronizing wheels on driving shaft and the driven shaft respectively, two conveyer belts set up respectively between the synchronizing wheel of driving shaft and driven shaft.

In an embodiment of the electrical core detecting apparatus of the present invention, the backlight unit includes a transparent plate and an illuminating unit, and at least two opposite sides of the transparent plate are assembled to the inner sidewall of the mounting plate through a frame structure, and the backlight unit is also mounted to the frame structure.

The utility model discloses an embodiment of electricity core detection device, transparent plate with be provided with between the conveyer belt and bear the weight of the bearing unit on the upper portion of conveyer belt.

The utility model discloses an embodiment of electric core detection device, the detecting element includes and is used for detecting the electric core position that awaits measuring, and controls the photoelectric switch that the detecting element starts.

In an embodiment of the electrical core detection apparatus of the present invention, the backlight unit includes a transparent plate and a lighting unit, and at least two opposite sides of the transparent plate are assembled to the inner side wall of the two mounting plates, which are oppositely disposed, through a frame structure, and the backlight unit is also mounted on the frame structure.

The utility model discloses an embodiment of electric core detection device still includes a setting and is in the auxiliary lighting unit of detection unit one side, and this auxiliary lighting unit follows the top of conveyer belt is illuminated the electric core that awaits measuring.

In an embodiment of the electrical core detection apparatus of the present invention, the auxiliary lighting unit is disposed on a bracket having an arc-shaped groove.

The utility model discloses an embodiment of electricity core detection device still includes a count unit, and this count unit statistics follows the conveying belt flows through the cell total number of detecting element with be judged bad cell total number.

In an embodiment of the electrical core detection apparatus of the present invention, the apparatus further includes a marking unit for generating a predetermined mark on the electrical core judged to be bad by the detection unit.

To sum up, the utility model discloses an electricity core detection device passes through the conveyer belt and carries the electric core that awaits measuring to provide the illumination in a poor light, detect in electric core top collection image below electric core, can realize detection mechanism's compact structure, be convenient for assemble the unloading conveyer belt of coiler, saved production space.

Drawings

Fig. 1 is a diagram of an operating state of the battery cell detection device of the present invention;

fig. 2 is a structural diagram of fig. 1 with a cell to be tested removed;

fig. 3 is an enlarged view at iii in fig. 2.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

As shown in fig. 1, the utility model discloses electricity core detection device includes the support frame, and this support frame sets up a drive shaft 120 and a driven shaft 130 including two relative mounting panels 110 that set up between two mounting panels 110, installs two synchronizing wheels 140 on drive shaft 120, the driven shaft 130 respectively, sets up a synchronous belt 150 between two synchronizing wheels 140 on the drive shaft 120 and the driven shaft 130 respectively. The two timing belts 150 are installed parallel to each other and to the two mounting plates 110. The synchronous belt of the embodiment can also be realized by a common conveyor belt without internal teeth, but has the defect of easy slip, so the synchronous belt is only suitable for conveying the battery cells with smaller weight.

One end of the driving shaft 120 is connected to a motor 121, both ends of the driven shaft 130 are respectively mounted to a mounting block 131, and then assembled to one of a plurality of screw holes (not shown) formed in the mounting plate 110 along the direction of the synchronous belt 150 along with the mounting block 131, so that the distance between the driving shaft 120 and the driven shaft 130 can be conveniently adjusted, and further the tightness of the synchronous belt 150 can be adjusted. The battery cell P to be tested is placed on the upper surfaces of the two synchronous belts 150, and when the motor 121 is started, the battery cell P can be transmitted along the setting direction of the synchronous belts 150. The distance between two synchronous wheels 140 on the same shaft is manually adjusted, so that the effect of adjusting the distance between the synchronous belts 150 to adapt to different specifications of battery cells can be realized.

A detection unit 200 is provided at a position directly above the substantially middle portion of the timing belt 150, and the detection unit can select visual products such as an industrial camera and an X-ray detector as required for detection items. The detecting unit 200 may be fixedly installed on the one-side installation plate 110 by a connecting rod 210, and may also be installed on an inherent structure of the winding machine, which is not limited herein. An auxiliary lighting unit 220 is further disposed on one side of the detecting unit 200, and the auxiliary lighting unit 220 is disposed toward the upper surface of the to-be-tested cell P. Preferably, the auxiliary lighting unit 220 is rotatably provided on a mounting bracket 221 having an arc-shaped groove, so that the lighting direction can be appropriately adjusted. The detecting unit 200 further includes two optoelectronic switches 230 oppositely disposed on the mounting board 110, for detecting whether a battery cell to be tested is in place. When it is detected that the cell P to be detected is in place, the photoelectric switch 230 starts the detection unit under the control of the program to acquire an image of the cell, and performs defect detection and/or size measurement.

In some embodiments, the detection unit 200 further includes a marking unit and/or a counting unit, and the marking unit may spray a preset mark on the cell detected as bad, or record and send the information of the cell judged as bad (e.g. identification information such as a two-dimensional code on the cell to be tested) to a control unit, so that the bad cell can be identified and collected by a bad product pick-up unit (e.g. a robot hand, a clamping jaw air cylinder); the counting unit may record the total number of cells flowing through the detection unit 200 and the total number of cells judged to be bad cells, so as to facilitate production statistics.

A backlight unit 300 including an illumination module 310 and a transparent plate 320 is further disposed between the two mounting plates 110 and inside the two timing belts 150. The transparent plate member 320 may be a glass plate, and both sides of the glass plate, at least parallel to the two mounting plates 110, are mounted in a frame 321, and the frame 321 may be mounted to the mounting grooves 111 on the inner walls of the mounting plates 110 by screws, thereby fixedly mounting the glass plate. The lighting module 310 is disposed under the transparent plate member 320 so that it can be prevented from being contaminated and damaged from above. Specifically, the lighting module 320 of this embodiment is a surface light source, and its light-emitting area is greater than the maximum cross section of the electric core of examining at least, can guarantee like this that the electric core is in the interval of illuminating completely to can detect the contour dimension of electric core. Both sides of the surface light source are also mounted on the aforementioned frame 321, thereby achieving fixation close to the transparent plate member 320 and keeping the structure of the backlight unit 300 compact. When the cell P to be detected is placed in the synchronous belt 150 for detection, the backlight unit 300 provides light from below, so that the illumination effect and the detection precision are improved.

In addition, a bearing unit 322 is further disposed between the two timing belts 150 and the transparent plate 320, and the two bearing units 322 are fixedly mounted on the transparent plate 320 and between the two timing wheels 140 of the same timing belt 150. The carrying unit 322 has a groove 323 for accommodating a portion of the synchronous belt 150 above the backlight unit 300, so as to avoid shaking when carrying the battery cells, thereby making the detection effect more accurate.

The utility model discloses electricity core detection device can be followed the unloading conveyer belt setting of coiler to electric core on the conveyer belt can directly flow to two hold-in ranges 150 on and be detected unit 200 and detect. Another conveyor belt can be connected behind the battery cell detection device, and the battery cells which are detected to be good products and defective products are respectively transferred to preset stations to be subjected to subsequent processing under the control of a preset program.

The utility model discloses for known electric core detection device have following advantage: the whole device can be inherited into a blanking conveying belt of a winding machine, so that the production space is saved; the backlight source provides main detection illumination, so that the detection is more accurate (especially for the dislocation of the lugs of the battery cell and the core-pulling defects of a diaphragm and a pole piece) and the debugging is convenient; the positive auxiliary lighting unit can illuminate the upper surface of the electric core to be detected, so that the information such as the size/position of the surface rubberizing and the two-dimensional code can be detected conveniently.

The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. A cell detection device comprises a transmission unit, a detection unit and a backlight unit, and is characterized in that the transmission unit comprises two parallel transmission belts, and the upper surfaces of the two transmission belts are used for bearing a cell to be detected; the detection unit is arranged above the two conveyor belts; the backlight unit is arranged in the two conveyor belts and used for providing illumination from the lower part of the battery cell to be tested.

2. The cell detection device according to claim 1, wherein the conveyor belt is disposed between two oppositely disposed mounting plates, one end of each of the two mounting plates is fixedly disposed with a driving shaft, the other end of each of the two mounting plates is adjustably disposed with a driven shaft, two synchronizing wheels are disposed on the driving shaft and the driven shaft, respectively, and the two conveyor belts are disposed between the synchronizing wheels of the driving shaft and the driven shaft, respectively.

3. The cell inspection device of claim 2, wherein the backlight unit comprises a transparent plate and an illumination unit, and at least two opposite sides of the transparent plate are assembled to the inner side wall of the mounting plate by a frame structure, and the backlight unit is also mounted to the frame structure.

4. The battery cell detection device according to claim 3, wherein a bearing unit for bearing the upper part of the conveyor belt is arranged between the transparent plate and the conveyor belt.

5. The cell detection device according to claim 2, wherein the detection unit includes a photoelectric switch for detecting a position of a cell to be detected and controlling the detection unit to activate.

6. The cell inspection device of claim 1, wherein the backlight unit comprises a transparent plate and an illumination unit, and at least two opposite sides of the transparent plate are assembled to inner sidewalls of two oppositely disposed mounting plates through a frame structure, and the backlight unit is also mounted to the frame structure.

7. The cell testing apparatus of claim 1, further comprising an auxiliary lighting unit disposed on a side of the testing unit, wherein the auxiliary lighting unit illuminates the cell under test from above the conveyor belt.

8. The cell testing device according to claim 7, wherein the auxiliary lighting unit is disposed on a bracket having an arc-shaped slot.

9. The cell inspection device of claim 1, further comprising a counting unit that counts the total number of cells passing from the conveyor belt through the inspection unit and the total number of cells that are determined to be bad.

10. The cell detection device according to claim 1, further comprising a marking unit for generating a predetermined mark on a cell determined to be defective by the detection unit.