CN210465280U

CN210465280U - Battery appearance detection device

Info

Publication number: CN210465280U
Application number: CN201921208169.0U
Authority: CN
Inventors: 汪晓军; 刘水养; 陈泽伟
Original assignee: Dongguan Chuangming Battery Technology Co Ltd
Current assignee: Dongguan Chuangming Battery Technology Co Ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-05-05
Anticipated expiration: 2029-07-26

Abstract

The utility model belongs to the technical field of battery test equipment, especially, relate to a battery outward appearance detection device, including work platform, rotary driving piece, adsorption piece, camera and encoder, the last spout that is used for carrying the battery that is equipped with of work platform, be equipped with on the spout and detect the position, adsorption piece installs on the tank bottom surface of spout and is located and detects the position, adsorption piece is used for adsorbing the bottom of battery, rotary driving piece's drive end is connected with adsorption piece and is used for driving adsorption piece and rotates, the encoder is installed in adsorption piece, the camera is located the side that detects the position and just to detecting the battery setting in the position, encoder and camera electric connection. This battery outward appearance detection device adopts the encoder can accurately detect 360 rotation signal of battery, can avoid the repeated angle of camera to get the picture and get the angle of picture and be less than 360 the circumstances, so not only improves the efficiency that battery outward appearance detected, but also guarantees that battery outward appearance detects and does not have the detection dead angle, and the accuracy of testing result is good, and the detection precision is high.

Description

Battery appearance detection device

Technical Field

The utility model belongs to the technical field of the battery test equipment, especially, relate to a battery outward appearance detection device.

Background

Lithium ion batteries are widely used in the fields of electronic products, power energy and backup energy storage, for example: in products such as a notebook, a mobile phone, an electric automobile and the like, the shell material of the battery is soft, and many problems can be reflected on the shell of the battery after the battery is manufactured, so that the appearance of the battery needs to be detected in the final stage of the battery production, which is also an important means for controlling the quality of the battery, but the current battery appearance detection generally adopts manual detection or adopts a plurality of cameras to carry out irradiation detection from multiple angles, the manual detection has low efficiency and low detection precision, and the detection is carried out from different angles by adopting the plurality of cameras, although the detection efficiency is improved, the definition of pictures shot by the cameras is poor in areas on the battery which are not directly opposite to the cameras, the battery appearance detection result can be influenced, the precision of the battery appearance detection is poor, unqualified appearance detection products can flow into the next process, and the battery is not qualified, the cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery outward appearance detection device aims at solving the battery outward appearance detection device among the prior art and detects the poor technical problem of precision.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a battery outward appearance detection device, includes work platform, rotary driving piece, adsorbs piece, camera and encoder, the last spout that is used for carrying the battery that is equipped with of work platform, be equipped with on the spout and detect the position, adsorb the piece install in on the tank bottom surface of spout and be located detect in the position, adsorb the bottom that the piece is used for adsorbing the battery, rotary driving piece's drive end with adsorb the piece and connect and be used for driving adsorb the piece and rotate, the encoder install in adsorb the piece, the camera is located detect the side of position and just right detect the battery setting in the position, the encoder with camera electric connection.

Optionally, the detection position is provided with a positioning mechanism on the other side of the camera, the positioning mechanism includes a positioning cylinder and a sleeve, the sleeve is sleeved on the adsorption element, and a driving end of the positioning cylinder is connected with the sleeve and drives the sleeve to move so as to be sleeved on the battery in the detection position.

Optionally, a detection groove is formed in the side wall of the sliding groove, and the camera is arranged right opposite to the detection groove to shoot the battery located in the detection position.

Optionally, the battery appearance detecting device further includes a light source, the light source and the camera are located on the same side of the detection position, and the light source is obliquely arranged toward the detection groove and is used for irradiating the battery at the detection position.

Optionally, the camera is a line camera.

Optionally, the adsorption piece is the magnet sucking disc, the tank bottom surface of spout corresponds to it is equipped with the through holes to detect position department, the magnet sucking disc is located in the through holes, the top surface of magnet sucking disc with the tank bottom surface of spout flushes.

Optionally, the rotary driving part is a speed reduction motor, the speed reduction motor is installed below the working platform, and the end part of the magnet sucker, which faces away from the battery in the detection position, penetrates through the working platform and then is connected with an output shaft of the speed reduction motor.

Optionally, the chute includes a feeding section and a detection section communicated with an end of the feeding section, the feeding section is perpendicular to the detection section, the detection position is located in the detection section, and a pushing member for pushing a battery sent from the feeding section into the detection section is arranged at a connection between the detection section and the feeding section.

Optionally, the pushing member is a pushing cylinder, and a piston rod of the pushing cylinder is arranged towards the detection section and is used for pushing the battery in the detection section to move forward.

Optionally, the battery appearance detection device further includes a control device, the camera is electrically connected to the control device, the camera transmits the acquired picture to the control device, and the control device analyzes whether the appearance of the battery is bad according to the transmitted picture.

The utility model provides an above-mentioned one or more technical scheme among the battery outward appearance detection device have one of following technological effect at least: when the device works, the battery is conveyed to the detection position in the chute, after the adsorption piece in the detection position adsorbs the battery in place, the rotating mechanism is started to drive the adsorption piece and the battery which is connected with the adsorption piece in an adsorption way to rotate, the encoder is arranged on the adsorption piece and drives the encoder to rotate in the rotation process of the adsorption piece, the encoder transmits a rotation signal to the camera, the camera picks up images according to the rotation signal, after the battery rotates 360 degrees, the camera picks up images, thus 360-degree image picking up in the circumferential direction of the battery is completed, each angle of the battery is ensured to be detected, no detection dead angle exists on the battery, the detection precision of the battery can be greatly improved, and the encoder can accurately detect the rotation signal of 360 degrees of the battery, thereby avoiding the situations that the camera repeats angle picking up images and the angle of picking up images is not more than 360 degrees, therefore, the efficiency of battery appearance detection can be improved, the battery appearance detection can be ensured to be free of detection dead angles, the detection result is good in accuracy, the detection precision is high, the qualification rate of the battery can be greatly improved, and the manufacturing cost is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a viewing angle of a battery appearance detecting apparatus according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of another view angle of the battery appearance detecting apparatus according to the embodiment of the present invention.

Fig. 3 is a sectional view taken along line a-a in fig. 2.

Fig. 4 is an exploded view of a battery appearance detecting device according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-working platform 11-chute 12-avoiding hole

20-rotary drive member 30-suction member 40-camera

50-encoder 60-positioning mechanism 61-positioning cylinder

62-sleeve 63-connecting frame 70-light source

80-pusher member 90-battery 111-detection position

112-detection groove 113-through hole 114-feeding section

115-detection segment 116-containment hole.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-4 are exemplary and intended to be used to illustrate the invention, but should not be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-4, in an embodiment of the present invention, a battery appearance detecting device is provided, including work platform 10, rotary driving element 20, adsorbing piece 30, camera 40 and encoder 50, be equipped with spout 11 that is used for carrying battery 90 on work platform 10, be equipped with on spout 11 and detect position 111, adsorbing piece 30 install in on the tank bottom surface of spout 11 and be located detect the position 111 in, adsorbing piece 30 is used for adsorbing the bottom of battery 90, rotary driving element 20's drive end with adsorbing piece 30 is connected and is used for driving adsorbing piece 30 rotates, encoder 50 install in adsorbing piece 30, camera 40 is located detect the side of position 111 and just right detect the battery 90 setting in the position 111, encoder 50 with camera 40 electric connection.

Specifically, the battery appearance detecting device of the embodiment of the present invention, during operation, the battery 90 is transported to the detecting position 111 in the sliding slot 11, after the battery 90 is adsorbed to the adsorbing member 30 in the detecting position 111, the rotating mechanism is started to drive the adsorbing member 30 and the battery 90 connected to the adsorbing member 30 to rotate, since the encoder 50 is installed on the adsorbing member 30, the encoder 50 is driven to rotate in the rotation process of the adsorbing member 30, the encoder 50 transmits the rotation signal to the camera 40, the camera 40 fetches images according to the rotation signal, after the battery 90 rotates 360 degrees, the camera 40 fetches images, thus completing 360 degrees image fetching in the circumferential direction of the battery 90, ensuring that each angle of the battery 90 is detected, no detecting dead angle exists on the battery 90, the detecting precision of the battery 90 can be greatly improved, the encoder 50 can accurately detect 90360 degrees rotation signal of the battery, therefore, the situations that repeated angle drawing of the camera 40 is performed and the angle of drawing is not more than 360 degrees can be avoided, the efficiency of appearance detection of the battery 90 can be improved, the appearance detection of the battery 90 is free of detection dead angles, the accuracy of a detection result is good, the detection precision is high, the qualification rate of the battery 90 can be greatly improved, and the manufacturing cost is reduced.

Further, it is of course also possible to set the encoder 50 with parameters slightly larger than 360 °, so that a circumferential omission of the battery 90 is completely avoided.

In another embodiment of the present invention, referring to fig. 1 and fig. 2, a positioning mechanism 60 is disposed on the other side of the detection position 111, which faces away from the camera 40, of the battery appearance detection apparatus, the positioning mechanism 60 includes a positioning cylinder 61 and a sleeve 62, the sleeve 62 is sleeved on the adsorption member 30, and the driving end of the positioning cylinder 61 is connected to the sleeve 62 and drives the sleeve 62 to move so as to be sleeved on the battery 90 located in the detection position 111. After battery 90 adsorbs on adsorbing the piece 30, sleeve 62 upwards moves at the drive of location cylinder 61 to establish sleeve 62 cover on battery 90's bottom, can avoid battery 90 to rotate the in-process like this, the condition that the slope appears or drops, when guaranteeing that camera 40 gets the picture, battery 90 is in stable state, thereby guarantees the stable clarity of picture, and the result of detection is reliable and stable, and the precision is high.

Further, a piston rod of the positioning cylinder 61 is fixed on the working platform 10 and is perpendicular to the table top of the working platform 10, a connecting frame 63 is arranged on the side face of the cylinder body of the positioning cylinder 61, and the sleeve 62 is arranged on the end portion, opposite to the positioning cylinder 61, of the connecting frame 63 and is integrally formed with the connecting frame 63, so that when the positioning cylinder 61 is started, the cylinder of the positioning cylinder 61 moves up and down relative to the working platform 10 to drive the sleeve 62 to move up and down, and the adsorbing member 30 moves to the bottom of the battery 90 to sleeve the bottom of the battery 90, or the bottom of the battery 90 moves to the adsorbing member 30 so as to facilitate the removal of the battery 90 after detection is completed.

Further, referring to fig. 3 and 4, the chute 11 is provided with a containing hole 116 for the connecting frame 63 to extend into and move, and the connecting frame 63 passes through the containing hole 116 from the side of the chute 11 to contain the sleeve 62 in the chute 11, so that the sleeve 62 is sleeved on the battery 90 to perform the positioning and fixing function.

Further, referring to fig. 1, the positioning mechanism 60 and the camera 40 are respectively located on two opposite sides of the chute 11, so that the battery 90 is prevented from being blocked by the positioning mechanism 60.

In another embodiment of the present invention, referring to fig. 1, 2 and 3, a detection groove 112 is provided on a side wall of the sliding groove 11 of the battery appearance detection apparatus, and the camera 40 is directly opposite to the detection groove 112 to shoot the battery 90 located in the detection position 111. The arrangement of the detection groove 112 can avoid the shielding of the side wall of the sliding groove 11 on the battery 90, so that the camera 40 can acquire the image of the whole battery 90, no dead angle exists in the detection of the battery 90, the detection of the battery 90 is comprehensive, and the detection result is accurate.

In another embodiment of the present invention, referring to fig. 1, the battery appearance detecting device further includes a light source 70, the light source 70 and the camera 40 are located on the same side of the detecting position 111, and the light source 70 is obliquely oriented to the detecting groove 112 and is used for irradiating the battery 90 of the detecting position 111. The light source 70 can supplement light for the detection of the battery 90, the definition of the picture shot by the camera 40 is good, the accuracy of the appearance detection result of the battery 90 is good, the light source 70 is obliquely arranged towards the detection groove 112 and is used for irradiating the battery 90 of the detection position 111, and the position of the light source 70 can prevent the light source 70 from shielding the camera 40, so that the normal work of the camera 40 is ensured.

In another embodiment of the present invention, the camera 40 of the battery appearance inspection apparatus is a line camera. Specifically, when the linear array camera is shooting the rotating battery, a panoramic picture of the battery along the circumferential direction of the battery can be shot, namely the linear array camera can obtain a picture which is unfolded along the circumferential direction of the battery, the picture can display the condition of the outer cylindrical surface of the battery at 360 degrees, detection errors caused by shooting angles can be completely avoided, and the detection precision of the battery appearance detection device is greatly improved.

In another embodiment of the present invention, referring to fig. 3 and 4, the adsorbing member 30 of the battery appearance detecting device is a magnet chuck, a through hole 113 is provided on the bottom surface of the chute 11 corresponding to the detecting position 111, the magnet chuck is located in the through hole 113, and the top surface of the magnet chuck is flush with the bottom surface of the chute 11. The magnet sucking disc can be adsorbed on battery 90's bottom through magnetic force, guarantees that battery 90 can stably adsorb on the magnet sucking disc to guarantee that battery 90 can rotate along with the magnet sucking disc steadily, guarantee the stability that camera 40 got the picture. The tank bottom surface of spout 11 is equipped with wearing to establish hole 113, the magnet sucking disc is located in wearing to establish hole 113, wearing to establish hole 113 can provide the rotation space for the magnet sucking disc, and the top surface of magnet sucking disc with the tank bottom surface of spout 11 flushes, guarantees that battery 90 can steadily push in spout 11 and detect the magnet sucking disc in the position 111 on, prevents that battery 90 from inclining.

In another embodiment of the present invention, the battery appearance detecting device provided is characterized in that the rotary driving member 20 is a speed reduction motor, the speed reduction motor is installed below the working platform 10, the magnet chuck faces away from the end of the battery 90 in the detection position 111 and passes through the rear of the working platform 10 and the output shaft of the speed reduction motor. Specifically, the geared motor drives the magnet chuck to rotate, thereby driving the battery 90 adsorbed on the magnet chuck to rotate; the speed reducing motor is installed below the working platform 10, so that the space below the working platform 10 can be fully utilized, the whole battery appearance detection device is compact in structure and good in practicability, the speed reducing motor is easy to obtain, and the battery appearance detection device is convenient to manufacture quickly.

Further, as shown in fig. 1, an avoiding hole 12 is formed in the working platform 10, the end portion of the battery 90 in the detection position 111, which faces away from the magnet suction cup, passes through the avoiding hole 12 and then is connected with the speed reduction motor, and the magnet suction cup can rotate in the avoiding hole 12, so that the working platform 10 and the magnet suction cup are prevented from interfering.

In another embodiment of the present invention, referring to fig. 1 and 2, the chute 11 of the battery appearance detecting device includes a feeding section 114 and a detecting section 115 communicating with an end of the feeding section 114, the feeding section 114 is perpendicular to the detecting section 115, the detecting position 111 is located in the detecting section 115, and a pushing member 80 for pushing the battery 90 sent from the feeding section 114 into the detecting section 115 is disposed at a connection between the detecting section 115 and the feeding section 114. The batteries 90 are loaded from the loading section 114 and then are transferred to the joint of the loading section 114 and the detection section 115, the battery 90 at the joint is pushed into the detection section 115 by the pushing piece 80, the battery 90 is pushed to move to the detection position 111 for detection, and meanwhile, the detected battery 90 is moved out of the magnetic chuck, so that the next battery 90 is automatically moved to the detection position 111 for detection, and mechanical loading and unloading of the detection position 111 can be realized, and the detection efficiency is improved; and, because the material loading section 114 is perpendicular to the detection section 115, the material loading section 114 of the battery 90 is arranged on the side surface of the detection section 115, so that the problem that the length of the chute 11 is too long, which causes the volume of the whole battery appearance detection device to be large, and thus, the side space of the detection section 115 can be fully utilized by vertically arranging the material loading section 114 and the detection section 115, so that the structure of the battery appearance detection device is compact, the installation requirement of a small space can be met, and the application range is increased.

In another embodiment of the present invention, the pushing element 80 of the battery appearance detecting device is a pushing cylinder, and the piston rod of the pushing cylinder faces the detecting section 115 and is used for pushing the battery 90 in the detecting section 115 to move forward. Through the concertina movement of the piston rod that promotes the cylinder, the piston rod will move to the battery 90 of material loading section 114 and detection section 115 junction and constantly push into detection section 115 in, preceding battery 90 is constantly promoted forward by a back battery 90, current battery 90 detects the completion back, back battery 90 directly pushes out the detection position 111 with preceding battery 90 under the promotion of piston rod, then a battery 90 advances to detect position 111 and detects, can realize the automatic material loading and the unloading that battery 90 detected, and easy operation is stable.

Further, referring to fig. 3 and 4, the accommodating hole 116, the detecting slot 112 and the through hole 113 are respectively and sequentially located on two opposite side walls of the sliding slot 11 and the slot bottom surface, and the accommodating hole 116, the through hole 113 and the detecting slot 112 are sequentially communicated, so that the connecting frame 63 can drive the sleeve 62 to move into the through hole 113 during the moving process of the connecting frame 63, and it is ensured that the battery 90 can be smoothly pushed out of the detecting position 111 and the next battery 90 can be smoothly pushed into the detecting position 111 for detection; meanwhile, the accommodating hole 116, the detection groove 112 and the through hole 113 are also convenient and fast to process and manufacture.

In another embodiment of the present invention, the battery appearance detecting device further includes a control device (not shown), the camera 40 is electrically connected to the control device, the camera 40 transmits the acquired image to the control device, and the control device analyzes whether there is a bad phenomenon in the appearance of the battery 90 according to the transmitted image. Specifically, the control device is provided with a visual processing and analyzing software (a specific visual processing and analyzing software part refers to a master paper "machine vision-based injection molding Disc and battery appearance detection research" of the university of science and technology of Hunan, Wen), which belongs to the prior art, the visual processing and analyzing software processes and analyzes pictures, and then judges whether bad phenomena such as imprinting, scratches and the like exist on the outer cylindrical surface of the battery 90, and in addition, the control device is adopted to perform numerical calculation and analysis, so that the detection result is higher in accuracy.

Further, the pushing cylinder, the positioning cylinder 61, the speed reduction motor and the light source 70 can be electrically connected with the control device, and under the coordination action of the control device, all the components move in sequence, so that the automatic detection of the appearance of the battery 90 is realized.

Furthermore, the control device can be formed by integrating an electric control component, an information processing center and a data processing center. The control device may also be a PLC controller or a computer.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A battery appearance detection device is characterized in that: including work platform, rotary driving piece, absorption piece, camera and encoder, work platform is last to be equipped with the spout that is used for carrying the battery, be equipped with on the spout and detect the position, it install in on the tank bottom surface of spout and lie in detect in the position, it is used for the bottom of absorption battery to adsorb the piece, rotary driving piece's drive end with adsorb the piece and connect and be used for driving it rotates to adsorb the piece, the encoder install in adsorb the piece, the camera is located it is just right to detect side of position detect the battery setting in the position, the encoder with camera electric connection.

2. The battery appearance detecting device according to claim 1, characterized in that: the detection position is back to the other side of the camera is provided with a positioning mechanism, the positioning mechanism comprises a positioning cylinder and a sleeve, the sleeve is sleeved on the adsorption piece, and a driving end of the positioning cylinder is connected with the sleeve and drives the sleeve to move so as to be sleeved on a battery in the detection position.

3. The battery appearance detecting device according to claim 1, characterized in that: the side wall of the sliding groove is provided with a detection groove, and the camera is arranged right opposite to the detection groove to shoot a battery positioned in the detection position.

4. The battery appearance detecting device according to claim 3, characterized in that: the battery appearance detection device also comprises a light source, wherein the light source and the camera are positioned on the same side of the detection position, and the light source is obliquely arranged towards the detection groove and is used for irradiating the battery at the detection position.

5. The battery appearance inspection device according to any one of claims 1 to 4, characterized in that: the camera is a line array camera.

6. The battery appearance inspection device according to any one of claims 1 to 4, characterized in that: the adsorption piece is a magnet sucker, the bottom surface of the chute corresponds to the detection position is provided with a through hole, the magnet sucker is positioned in the through hole, and the top surface of the magnet sucker is flush with the bottom surface of the chute.

7. The battery appearance detecting device according to claim 6, characterized in that: the rotary driving part is a speed reducing motor, the speed reducing motor is installed below the working platform, and the end part of the magnet sucker, which faces away from the battery in the detection position, penetrates through the working platform and then is connected with an output shaft of the speed reducing motor.

8. The battery appearance inspection device according to any one of claims 1 to 4, characterized in that: the chute comprises a feeding section and a detection section communicated with the end part of the feeding section, the feeding section is perpendicular to the detection section, the detection position is located in the detection section, and a pushing piece used for pushing a battery sent by the feeding section into the detection section is arranged at the connection part of the detection section and the feeding section.

9. The battery appearance detecting device according to claim 8, characterized in that: the pushing piece is a pushing cylinder, and a piston rod of the pushing cylinder is arranged towards the detection section and used for pushing the battery in the detection section to move forwards.

10. The battery appearance inspection device according to any one of claims 1 to 4, characterized in that: the battery appearance detection device further comprises a control device, the camera is electrically connected with the control device, the camera transmits the acquired pictures to the control device, and the control device analyzes whether the appearance of the battery has a bad phenomenon according to the transmitted pictures.