阅读说明：本技术 一种圆柱电池壳缺陷自动检测设备 (Automatic detection equipment for defects of cylindrical battery shell ) 是由 李健琦 邢宇 于 2019-12-03 设计创作，主要内容包括：本发明公开一种圆柱电池壳缺陷自动检测设备,包括机架、转盘、转盘驱动电机、钢壳旋转机构、摄像机、检测光源、计算机。转盘上方安装有多个圆柱电池壳旋转机构,通过圆柱电池壳旋转机构的辊棒作旋转运动带动圆柱电池壳旋转实现外圆柱面的检测。转盘驱动电机驱动转盘作分度式间歇运动,通过设置端面检测摄像机和检测光源可实现圆柱电池壳端面的检测,通过设置上料、出料机构可实现全自动检测。本发明结构简单,可实现对圆柱电池壳的高精度检测,有效提高圆柱电池壳的检验质量和效率。(The invention discloses automatic detection equipment for defects of a cylindrical battery shell, which comprises a rack, a turntable driving motor, a steel shell rotating mechanism, a camera, a detection light source and a computer. A plurality of cylindrical battery shell rotating mechanisms are installed above the turntable, and the roller rods of the cylindrical battery shell rotating mechanisms rotate to drive the cylindrical battery shells to rotate so as to realize detection of an outer cylindrical surface. The turntable driving motor drives the turntable to do indexing type intermittent motion, the end face of the cylindrical battery shell can be detected by arranging the end face detection camera and the detection light source, and full-automatic detection can be realized by arranging the feeding mechanism and the discharging mechanism. The invention has simple structure, can realize high-precision detection of the cylindrical battery shell and effectively improve the detection quality and efficiency of the cylindrical battery shell.)

1. The utility model provides a cylinder battery case defect automatic check out test set which characterized in that includes: the device comprises a rack, a turntable driving motor, a cylindrical battery shell rotating mechanism, a camera, a detection light source and a computer, wherein the turntable is horizontally arranged and is directly or indirectly driven by the turntable driving motor to do indexing type intermittent rotating motion; the turntable is provided with at least three cylindrical battery shell rotating mechanisms; the cylindrical battery shell rotating mechanism comprises a roller rod and a cylindrical battery shell rotating transmission mechanism, the cylindrical battery shell rotating transmission mechanism drives the roller rod to rotate, the roller rod drives a cylindrical battery shell to be detected placed above the roller rod to rotate through friction force, and the detection of the outer cylindrical surface of the cylindrical battery shell is realized; the camera collects the image information of the cylindrical battery shell and inputs the image information to the computer; the computer processes images and judges whether the cylindrical battery shell to be detected has defects; the detection light source irradiates the cylindrical battery shell to be detected to provide brightness.

2. The apparatus according to claim 1, wherein the rotating mechanisms of the cylindrical battery case are distributed on the turntable at equal angles.

3. The automatic defect detection equipment for the cylindrical battery shell according to claim 1, wherein at least one group of the camera and the detection light source are respectively arranged above and on the side surface of the turntable, the camera above the turntable is used for collecting images of the outer cylindrical surface of the cylindrical battery shell, and the camera on the side surface of the turntable is used for collecting images of the end surface of the cylindrical battery shell.

4. The automatic defect detection equipment for the cylindrical battery shell according to claim 1, wherein the cylindrical battery shell rotating mechanism comprises a cylindrical battery shell rotating motor, and the cylindrical battery shell rotating motor drives the roller rod to rotate through the cylindrical battery shell rotating transmission mechanism.

5. The automatic defect detection device for the cylindrical battery shell according to claim 4, wherein the electric energy required by the operation of the rotating motor of the cylindrical battery shell is provided by an external power supply through a collecting ring, and the collecting ring is positioned at the center of the turntable.

6. The automatic defect detection equipment for the cylindrical battery shell according to claim 1, wherein the number of the rods is two, and the two rods are arranged side by side, and each rod is provided with an encapsulation; the rotating shafts of the two sticks are connected with the cylindrical battery case rotating transmission mechanism and synchronously rotate under the driving of the cylindrical battery case rotating transmission mechanism.

7. The automatic defect detection equipment for the cylindrical battery shell according to claim 1, wherein a feeding device, a qualified product discharging device and a unqualified product discharging device are mounted on the rack, the feeding device is connected with an external feeding line, and the qualified product discharging device and the unqualified product discharging device are connected with the feeding line.

8. The automatic defect detecting equipment for the cylindrical battery shell according to claim 7, wherein the feeding device is a feeding manipulator.

9. The apparatus according to claim 1, wherein said cylindrical battery case is a steel case.

Technical Field

The invention relates to the technical field of detection equipment, in particular to automatic detection equipment for defects of a cylindrical battery shell.

Background

Various cylindrical batteries play an important role in national economy and people's life, and along with the development of batteries (particularly lithium batteries) towards high energy density, the cylindrical batteries are widely applied to new energy automobiles and cordless electric tools, and the safety performance of the cylindrical batteries is more and more emphasized by people. The cylindrical battery shell is used as the shell of the cylindrical battery, not only plays a role in sealing, but also is an important defense line for the failure safety of the battery. The quality requirements for cylindrical battery cases are therefore high. However, at present, domestic cylindrical battery case production enterprises still mainly conduct visual inspection, and due to the fact that the surface of the cylindrical battery case is highly reflective, visual inspection is difficult, the missing inspection rate is high, the detection speed is low, and the visual damage of long-term high-intensity work to inspection personnel is large, so that the improvement of the overall quality of the domestic battery industry is not facilitated.

In the patent, a steel shell is driven by a chain to be transported, and a roller on the chain rotates to drive the steel shell to realize the expansion of an outer cylindrical surface of the steel shell. However, the method is difficult to realize the high-precision positioning detection of the outer cylindrical surface of the steel shell, and the problem of non-directional deviation of the steel shell exists in the actual operation, so that the implementation of the high-precision detection of the outer cylindrical surface and the end surface is not facilitated.

Disclosure of Invention

Aiming at the defects and shortcomings of the prior art, the invention aims to provide the automatic detection equipment for the defects of the cylindrical battery shell, which has the advantages of simple structure, reasonable design, convenience in use and higher detection precision and accuracy.

In order to achieve the purpose, the invention adopts the following technical scheme.

The utility model provides a cylinder battery case defect automatic check out test set which characterized in that includes: the device comprises a rack, a turntable driving motor, a cylindrical battery shell rotating mechanism, a camera, a detection light source and a computer, wherein the turntable is horizontally arranged and is directly or indirectly driven by the turntable driving motor to do indexing type intermittent rotating motion; the turntable is provided with at least three cylindrical battery shell rotating mechanisms; the cylindrical battery shell rotating mechanism comprises a roller rod and a cylindrical battery shell rotating transmission mechanism, the cylindrical battery shell rotating transmission mechanism drives the roller rod to rotate, the roller rod drives a cylindrical battery shell of a cylindrical battery to be detected, which is placed above the roller rod, to rotate through friction force, and the detection of the outer cylindrical surface of the cylindrical battery shell is realized; the camera collects the image information of the cylindrical battery shell and inputs the image information to the computer; the computer processes images and judges whether the cylindrical battery shell to be detected has defects; the detection light source irradiates the cylindrical battery shell to be detected to provide brightness.

More preferably, the cylindrical battery shell rotating mechanisms are distributed on the turntable at equal angles.

More preferably, at least one set of the camera and the detection light source are respectively arranged above and on the side surface of the turntable, the camera above the turntable is used for acquiring an image of the outer cylindrical surface of the cylindrical battery shell, and the camera on the side surface of the turntable is used for acquiring an image of the end surface of the cylindrical battery shell.

More preferably, the cylindrical battery case rotating mechanism comprises a cylindrical battery case rotating motor, and the cylindrical battery case rotating motor drives the roller rod to rotate through the cylindrical battery case rotating transmission mechanism.

More preferably, the electric energy required for operating the cylindrical battery shell rotating motor is provided by an external power supply through a slip ring, and the slip ring is positioned at the center of the turntable.

More preferably, the number of the sticks is two, and the two sticks are arranged side by side, and each stick is provided with a rubber coating; the rotating shafts of the two sticks are connected with the cylindrical battery case rotating transmission mechanism and synchronously rotate under the driving of the cylindrical battery case rotating transmission mechanism.

More preferably, the rack is provided with a feeding device, a qualified product discharging device and an unqualified product discharging device, the feeding device is connected with an external feeding line, and the qualified product discharging device and the unqualified product discharging device are connected with the feeding line.

More preferably, the feeding device is a feeding manipulator.

More preferably, the cylindrical battery case is a steel case.

The invention has the beneficial effects that:

the detection device comprises a turntable, a cylindrical battery shell rotating mechanism, a detection device and a detection system, wherein the turntable is arranged, the cylindrical battery shell rotating mechanism is arranged on the turntable, and when the detection device is actually detected, the cylindrical battery shell to be detected is driven to rotate by the cylindrical battery shell rotating mechanism, so that the outer circumferential surface of the cylindrical battery shell can be comprehensively detected conveniently; in addition, the installation, debugging and maintenance of the equipment are more convenient.

And secondly, the collecting ring is arranged at the central position of the turntable, so that power can be supplied to each cylindrical battery shell rotating mechanism through an external power supply.

Thirdly, two sticks are arranged side by side, and each stick is provided with rubber coating; not only increases the frictional force between cylinder battery case and the roller stick for the cylinder battery case can be driven smoothly, plays the effect of protection cylinder battery case moreover, has avoided the roller stick to cause the damage to cylinder battery case surface coating furthest.

Fourthly, through the arrangement of the feeding device and the discharging device, in actual work, after the turntable is stopped stably every time, a cylindrical battery shell to be detected enters from the feeding port and falls on a roller rod of the cylindrical battery shell rotating mechanism above the turntable, and the cylindrical battery shell driving motor drives the roller rod to rotate through the transmission mechanism so that the cylindrical battery shell rotates for 360 degrees; then the turntable driving motor drives the turntable to do indexing intermittent rotary motion, so that the cylindrical battery shell passes through at least one group of camera and detection light source for detecting the end surface of the cylindrical battery shell and at least one group of camera and detection light source for detecting the outer cylindrical surface of the cylindrical battery shell; the images collected by the camera are transmitted into a computer for digital image processing, whether the cylindrical battery shell is defective or not is judged, and a control instruction is sent according to a detection result, so that the cylindrical battery shell without defects is discharged to the outside of the turntable by the qualified product discharging device after reaching the qualified discharging station, and the cylindrical battery shell with defects is removed to the outside of the turntable by the unqualified product discharging device after reaching the unqualified discharging station; the full automation of feeding, detection and screening is realized, the detection efficiency is high, and the detection speed is high.

Drawings

Fig. 1 is a schematic structural diagram of an automatic defect detection device for a cylindrical battery case according to the present invention.

Fig. 2 shows a top view of fig. 1.

Fig. 3 is a schematic view of the cylindrical battery case rotating mechanism.

Description of reference numerals:

1: a frame, 2: turntable, 3: turntable drive motor, 4: cylindrical battery case rotating mechanism, 5: collector ring, 6: a camera, 7: detection light source, 8: loading attachment, 9: qualified product discharging device, 10: unqualified product discharging device, 11: cylindrical battery can, 12: cylindrical battery case rotating electrical machine, 13: cylindrical battery case rotation transmission mechanism, 14: and (5) rolling a rod.

Detailed Description

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the present invention, unless otherwise specified and limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.

The following describes the embodiments of the present invention with reference to the drawings of the specification, so that the technical solutions and the advantages thereof are more clear and clear. The embodiments described below are exemplary and are intended to be illustrative of the invention, but are not to be construed as limiting the invention.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

As shown in fig. 1 and 2, an automatic defect detecting apparatus for a cylindrical battery case comprises a frame 1, a turntable 2, a turntable driving motor 3, a cylindrical battery case rotating mechanism 4, a collecting ring 5, a camera 6, a detecting light source 7, a feeding device 8, a qualified product discharging device 9, a defective product discharging device 10 and a computer, wherein the turntable 2 is rotatably mounted on the frame 1 through a rotating shaft, the turntable driving motor 3 is connected with the turntable 2 and used for driving the turntable 2 to rotate, the cylindrical battery case rotating mechanism 4 is arranged on the turntable 2 and used for placing the cylindrical battery case and driving the cylindrical battery case to rotate, the collecting ring 5 is rotatably connected with the turntable 2 and used for supplying power to the cylindrical battery case rotating mechanism 4, the camera 6 and the detecting light source 7 are correspondingly arranged and used for shooting a surface image of the cylindrical battery case, the computer is connected with the camera 6 and used for judging whether the corresponding cylindrical battery shell is qualified or not according to the shot image, the feeding device 8 is arranged corresponding to the cylindrical battery shell rotating mechanism 4 and used for feeding, and the qualified product discharging device 9 and the unqualified product discharging device 10 are connected with the computer and used for realizing qualified product discharging and unqualified product discharging.

Wherein, cylindrical battery case rotary mechanism 4 includes: the cylindrical battery case rotating motor 12, the cylindrical battery case rotating transmission mechanism 13 and the two roller rods 14 are assembled together, and are used for containing the cylindrical battery case 11 to be detected, the cylindrical battery case rotating motor 12 drives the roller rods 14 to rotate through the cylindrical battery case rotating transmission mechanism 13, and then drives the cylindrical battery case 11 to be detected placed on the roller rods 14 to rotate through friction force, so that the detection of the outer cylindrical surface of the cylindrical battery case 11 is realized.

In this embodiment, the cylindrical battery case 11 is preferably a steel case, and the surface of the roller bar 14 is preferably provided with an encapsulation. Because the surface of the roller rod 14 is coated with the rubber, the friction force between the cylindrical battery shell 11 and the roller rod 14 is increased, so that the cylindrical battery shell can be smoothly driven, the effect of protecting the cylindrical battery shell is achieved, and the damage of the roller rod 14 to the surface coating of the cylindrical battery shell 11 is avoided to the maximum extent. The two roller bars 14 of the cylindrical battery case rotating mechanism 4 are preferably uniform or substantially uniform in diameter to ensure that the cylindrical battery case 11 can smoothly and smoothly rotate thereabove.

Preferably, the turntable 2 is horizontally arranged and is directly driven by the turntable driving motor 3; in other embodiments, the turntable 2 is indirectly driven by a speed reducing mechanism or an indexing mechanism to perform indexing intermittent motion with higher precision requirement; the present embodiment is not limited.

Preferably, 16 cylindrical battery shell rotating mechanisms 4 are mounted on the turntable 2 to improve the detection efficiency. In other embodiments, the number of the cylindrical battery case rotating mechanisms 4 is at least three, and is not limited to this embodiment.

Preferably, the slip ring 5 is installed on the rotating shaft of the turntable 2, and the electric energy required for the operation of the cylindrical battery shell rotating motor 12 is provided by an external power supply through the slip ring 5. In other embodiments, the cylindrical battery enclosure rotating electrical machine 12 is automatically battery powered, and the slip ring 5 may be omitted.

Preferably, a set of cameras 6 and a detection light source 7 are respectively arranged above and at the side of the turntable 2; the camera 6 positioned above the turntable 2 is used for acquiring images of the outer cylindrical surface of the cylindrical battery shell 11, and the camera 6 positioned on the side surface of the turntable 2 is used for acquiring images of the end surface of the cylindrical battery shell 11. Certainly, can also set up more detection stations, through using different cameras and detection light source, can effectively improve the detection quality of product.

Preferably, the feeding device 8 is a feeding manipulator, and is connected with an external feeding line. Preferably, the qualified product discharging device 9 and the unqualified product discharging device 10 are discharging manipulators (such as discharging cylinders) and are connected with an external discharging line.

In the automatic detection equipment for the defects of the cylindrical battery shell, when the equipment actually works, the whole working process of the equipment is controlled by a computer or an embedded computer control system (such as a PLC). The turntable driving motor 3 drives the turntable 2 to do indexing intermittent motion, when the turntable 2 stops stably every time, the feeding device 8 sends a cylindrical battery shell 11 to the roller rod 14 of the cylindrical battery shell rotating mechanism 4 corresponding to the feeding device, meanwhile, each camera 6 shoots images and transmits the images back to the computer for processing, and whether the current cylindrical battery shell 11 is a defective cylindrical battery shell is judged through the computer. The image processing and control system of the equipment has a memory function, when the defect-free cylindrical battery shell rotates to a station corresponding to the qualified product discharging device 9, the qualified product discharging device 9 removes the cylindrical battery shell out of the turntable and transfers the cylindrical battery shell to other mechanisms outside to be stored in a box; when the defective cylindrical battery shell rotates to the station corresponding to the defective product discharging device 10, the defective product discharging device 10 can reject the cylindrical battery shell out of the turntable, the defective cylindrical battery shell falls into the external defective product collecting device, and the workshop inspectors are treated in a unified mode.

The connection mode, connection circuit and control programming method of the computer and the turntable driving motor 3, the cylindrical battery shell rotating mechanism 4, the camera 6, the feeding device 8, the qualified product discharging device 9 and the unqualified product discharging device 10 are all common technical knowledge or the prior art mastered by those skilled in the art, and detailed description is omitted here.

It will be appreciated by those skilled in the art from the foregoing description of construction and principles that the invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the teachings of the art may be made without departing from the scope of the invention as defined by the appended claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.