CN116460070A

CN116460070A - Cylindrical hollow shell detection device

Info

Publication number: CN116460070A
Application number: CN202310562544.6A
Authority: CN
Inventors: 李云峰
Original assignee: Beijing Miaoxiang Science And Technology Co ltd
Current assignee: Beijing Miaoxiang Science And Technology Co ltd
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2023-07-21

Abstract

The invention discloses a cylindrical hollow shell detection device, and relates to the technical field of detection equipment; the detection device comprises a detection station, wherein the detection station can detect a cylindrical hollow shell; the conveying part can convey the cylindrical hollow shell to be detected to the detection station and can convey the detected qualified products to the qualified product area; the rejecting mechanism is positioned at the tail end of the detection station and can reject the detected unqualified products into the collecting baskets at the two sides. The cylindrical hollow shell detection device provided by the invention can realize automatic comprehensive detection, is accurate in detection result, and can remove unqualified products.

Description

Cylindrical hollow shell detection device

Technical Field

The invention relates to the technical field of detection equipment, in particular to a cylindrical hollow shell detection device.

Background

The battery case is used as an external assembly of the battery, the requirements on the external smoothness of the battery case are high in the manufacturing process, and defects such as pits and scratches cannot occur. It is often necessary to test the appearance after production is completed in order to meet production requirements. However, the existing detection mode of the battery case often adopts manual sampling detection, the manual detection speed is low, under the condition of higher production speed, only spot inspection can be performed, the efficiency is low, the manual detection is easy to make mistakes, the detection result is inaccurate, a large number of artificial article pipes are detected, the enterprise operation cost is high, the surface quality is poor, such as scratch, dirt, dent, bulge, crack and rust on the inner and outer surfaces, products with problems such as deformation, damage and carbon deposition on the opening part are not removed in time, and a plurality of adverse effects can be caused after the products flow to users.

Disclosure of Invention

The invention aims to provide a cylindrical hollow shell detection device, which solves the problems in the prior art, can realize automatic and comprehensive detection, has accurate detection results and can remove unqualified products.

In order to achieve the above object, the present invention provides the following solutions:

the invention provides a cylindrical hollow shell detection device, which comprises a detection station, wherein the detection station can detect a cylindrical hollow shell; the conveying part can convey the cylindrical hollow shell to be detected to the detection station and can convey the detected qualified products to the qualified product area; the rejecting mechanism is positioned at the tail end of the detection station and can reject the detected unqualified products into the collecting baskets at the two sides. When the cylindrical hollow shell to be tested works, the cylindrical hollow shell to be tested enters a detection station through the conveying part and carries out all-dimensional detection on products, and after the products are detected, good products and unqualified products are classified and removed, wherein the good products are continuously conveyed through the conveying part; reject and collect in the basket, reject and reject according to scratch, deformation, concave-convex point grade defect of the product, reject separately, reject in one and wait for the direct scrapping to process in the basket seriously defect, reject in another and collect basket that the defect slightly can be repaired, repair the treatment uniformly.

Optionally, the detection station includes a first detection station, where the first detection station includes a first area array station, a second area array station, a third area array station, and a fourth area array station that are respectively disposed on two sides of the conveying portion; the first area array station, the second area array station and the third area array station respectively comprise a station support frame, a camera and a light source are arranged on the station support frame, the positions of the camera and the light source can be adjusted, and the first detection station can detect the outer surface, the opening, the inner bottom surface, the inner wall and the like of the bottom of the battery shell; the fourth array station comprises a station support frame, an adjusting rod is arranged on the station support frame, a camera and a light source are arranged on the adjusting rod, the positions and angles of the camera and the light source on the fourth array station can be adjusted, different cameras, lenses and light sources are respectively arranged for obtaining the optimal drawing effect according to different detection positions and detection requirements, various adjustment amounts are reserved according to actual conditions, such as integral left-right, front-back and height adjustment, camera and light source adjustment respectively, and the adjustment amounts of angle and height adjustment are reserved for the light source of part of stations. The area array detection of the detection station can be completely adaptively adjusted according to different working conditions on site, multi-station and multi-angle light supplementing is realized, and the multi-camera acquisition can better carry out omnibearing detection and data collection on a product shell.

Optionally, the conveying part comprises a detection conveying device and an outlet conveying device, and the first detection stations are arranged at two sides of the detection conveying device; a rotating wheel mechanism is arranged between the detection conveying device and the outlet conveying device, and the rotating wheel mechanism can rotate the cylindrical hollow shell by 360 degrees; the second detection station comprises a first line scanning camera station, a second line scanning camera station, a third line scanning camera station and a fourth line scanning camera station, the heights of which can be adjusted, line scanning cameras are arranged on the first line scanning camera station, the second line scanning camera station, the third line scanning camera station and the fourth line scanning camera station, and the line scanning cameras can be used for acquiring the image data of the outer surface of the battery shell more accurately and clearly and analyzing the data of products in the system better; the multi-station and multi-angle light supplementing camera can better perform omnibearing detection and data collection on the product shell; the angle of the line scanning camera on the first line scanning camera station can be adjusted, the line scanning camera and the light source are respectively arranged for obtaining the optimal image capturing effect, various adjustment amounts, such as integral left-right, front-back and height adjustment, are reserved according to actual conditions, the camera and the light source are respectively adjusted front-back, the light source of part of the stations is also reserved with the adjustment amounts of angle and height adjustment, and the area array detection of the detection station can be completely adaptively adjusted according to different working conditions on site.

Optionally, the rotating wheel mechanism comprises a bottom plate positioned between the detection conveying device and the outlet conveying device, the bottom plate is provided with supporting legs, rotating wheel mounting plates are fixedly arranged on two sides of the top of the bottom plate, three rotating shafts are movably arranged between the two rotating wheel mounting plates in sequence, one rotating wheel is fixedly arranged on each of the three rotating shafts, one ends of the two rotating shafts positioned at two ends penetrate through the rotating wheel mounting plates, one synchronizing wheel is fixedly arranged at each end of the rotating shaft positioned at the two ends, one end of the rotating shaft positioned in the middle penetrates through the rotating wheel mounting plates, two synchronizing wheels are arranged at the rear of the rotating shaft positioned in the middle, and the two synchronizing wheels positioned in the middle are in transmission connection with the synchronizing wheels positioned at the two ends through synchronous transmission belts; one end of one rotating shaft, which is far away from the synchronous wheel, is in transmission connection with a servo motor; grooves which are axially arranged are formed in the outer edges of the rotating wheels, a strong magnetic magnet is arranged below each groove, the strong magnetic magnet can adsorb and fix a cylindrical hollow shell, and a strong magnetic magnet bracket is arranged between every two adjacent rotating wheels; and one end of the bottom plate, which is close to the outlet conveying device, is provided with a guide plate which is obliquely arranged.

Optionally, detect conveyor includes the transport section bar, transport section bar bottom is equipped with the transport landing leg, transport section bar one end is installed from the driving wheel through driven end fixed plate, the action wheel is installed through the initiative end fixed plate to the transport section bar other end, through closed belt transmission connection between the action wheel and the driving wheel, action wheel one end transmission is connected with servo motor, transport section bar upper surface with be equipped with the backing plate between the belt, be equipped with the fluting on the backing plate, the fluting width is greater than the belt width for control of restriction belt rocks and reduces the frictional force of belt and contact surface.

Optionally, the outlet conveying device comprises a conveying section, a conveying supporting leg is arranged at the bottom of the conveying section, a driven wheel is arranged at one end of the conveying section through a driven end fixing plate, a driving wheel is arranged at the other end of the conveying section through a driving end fixing plate, the driving wheel and the driven wheel are in transmission connection through a closed belt, one end of the driving wheel is in transmission connection with a servo motor through a driving shaft, a base plate is arranged between the upper surface of the conveying section and the belt, a groove is formed in the base plate, and the width of the groove is larger than that of the belt; the driven end fixing plate is fixedly provided with a conveying guide plate, and the two conveying guide plates are symmetrically arranged on two sides of the belt; and an air blowing port is arranged on the side wall of the conveying section bar and is positioned on one side of the belt.

Optionally, the belt is bilayer structure, the belt lower floor is synchronous belt, synchronous belt's profile of tooth is the same with the profile of tooth of action wheel and follow driving wheel, the belt upper strata is the red glue film, and red glue film surface interval is provided with the recess, the recess is used for fixed and drives cylindrical cavity casing and removes.

Optionally, the belt is integrated into one piece structure, the belt inboard is synchronous belt layer, synchronous belt layer's profile of tooth with the profile of tooth of action wheel and follow driving wheel is the same, belt outside integrated into one piece has the blend stop, adjacent two be used for fixed and drive cylindrical cavity casing removal between the blend stop.

Optionally, a beating and aligning mechanism is arranged on two sides of the conveying part, which are close to the detection station; the automatic trimming device is characterized in that the trimming mechanism comprises a guide plate support fixedly arranged on one side of the conveying part, the guide plate support top is provided with a trimming mechanism guide plate, the other side of the conveying part is provided with an adjusting plate, a support section bar is fixedly arranged on the adjusting plate, the inner side of the top of the support section bar is provided with a horizontally arranged cylinder through a cylinder fixing plate, the tail end of the cylinder is connected with a push plate through a transfer block, both ends of one side of the push plate, which is close to the conveying part, of the guide plate and the trimming mechanism guide plate are respectively provided with a chamfer, so that the battery case with overlarge offset can be guided, and the battery case is prevented from being directly bumped to the guide plate or the side edge of the push plate to be damaged or to be bumped away from detection and conveying.

Optionally, the outlet conveying device is sequentially provided with a rejecting mechanism and a demagnetizing mechanism; the rejecting mechanism comprises a rejecting mechanism main supporting leg and an auxiliary supporting leg which are fixedly arranged on two sides of the outlet conveying device, a rejecting mechanism servo motor is arranged at the top of the rejecting mechanism main supporting leg, a rejecting mechanism driving shaft is connected with the rejecting mechanism servo motor in a transmission manner, and one end of the rejecting mechanism driving shaft, which is far away from the rejecting mechanism servo motor, is connected with the top of the auxiliary supporting leg; the driving shaft of the removing mechanism is fixedly sleeved with a removing mechanism rotating wheel, the side wall of the removing mechanism rotating wheel is provided with an axial groove, and a strong magnet is arranged in the groove; a guard plate fixing plate is arranged above the removing mechanism rotating wheel, one end of the guard plate fixing plate is fixedly connected with one side of the top of the main leg of the removing mechanism, shell guard plates with arc structures are arranged on the front side and the rear side of the guard plate fixing plate, the shell guard plates are positioned on the outer side of the removing mechanism rotating wheel, a shell guide plate which is obliquely arranged is arranged below the shell guard plates, the bottom of the shell guide plate is arranged on one side of the outlet conveying device through the guide plate fixing legs, a collecting basket is arranged below the shell guide plate, collecting baskets are arranged at two ends of the removing mechanism and used for storing unqualified products, the unqualified products can be removed respectively according to different degrees of defects such as scratches, deformation and concave-convex points of the products, the defect is seriously removed into the collecting basket to wait for direct scrapping treatment, the defect is slightly repaired and removed into another collecting basket, and repairing treatment is uniformly carried out; the top of the auxiliary supporting leg is provided with a removing air blowing port through an air blowing fixing plate, the removing air blowing port is connected with an electromagnetic valve and is mainly used for controlling air blowing to a product, the shell product is blown to the other end of the rotating wheel so as to be conveniently removed into the collecting basket, a conveyor belt below the rotating wheel of the removing mechanism is provided with two air blowing ports, two ends of the shell are respectively provided with an auxiliary removing mechanism, and the auxiliary removing mechanism magnetically attracts unqualified products to be adsorbed in a groove of the rotating wheel of the removing mechanism; the demagnetizing mechanism comprises a demagnetizing supporting part fixedly arranged on one side of the outlet conveying device, a demagnetizing machine support with adjustable height is arranged on the demagnetizing supporting part, and a demagnetizing machine main machine is arranged at the bottom of the demagnetizing machine support.

Compared with the prior art, the invention has the following technical effects:

according to the invention, special treatment is performed on the light supplementing mode, a light supplementing mode method which is most suitable for project detection is found, the characteristics of each part of the battery case are well represented, the obtained picture is more stable when visual analysis is performed, and the whole detection system can realize low misjudgment rate, low false kick rate and high efficiency, so that good use experience is provided for users; the whole detection speed is limited little, the running speed of the whole equipment can be adjusted according to the actual production speed of a customer site, the requirements of the customer can be met no matter in high-speed production or low-speed production, and the equipment can keep stable and good detection effect under the condition of multi-station simultaneous work in high-speed production and low-speed production; when the battery shell enters the equipment, the equipment can automatically detect the images acquired by each detection station by only ensuring that the opening part is upward and the opening part has no obvious deformation, so that the full detection and classification elimination of the battery shell are realized; the problem of original manual detection leading to battery case outgoing quality is solved, the problems of high withdrawal rate, high complaint rate and the like are solved for clients, and the expense of public praise and expense caused by withdrawal and complaint is avoided. The outgoing quality of the battery case of the machine is more reliable through detection. The invention has extremely low misjudgment rate, and compared with the instability of an artifact tube, the obtained data is more accurate and reliable, so that most of manpower is saved, and the operation cost of enterprises is greatly reduced. The invention has rich customizing function, the equipment carries out various modifications according to different diameters, heights, wall thicknesses, required different detection positions and the like of the detected products according to the difference of the products and different detection requirements, the use requirements of various sites are met, the operation of the equipment is simple, and the operation of customers is easy. The invention can save the product data for the customer for one month and one year or longer, and analyze the data in detail, thereby helping the customer to manage the product quality and count the data.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of a cylindrical hollow shell detection device according to the present invention;

FIG. 2 is a front view showing the internal structure of the cylindrical hollow shell detection device of the present invention;

FIG. 3 is a top view showing the internal structure of the cylindrical hollow shell detection device of the present invention;

FIG. 4 is a schematic diagram of a detection and conveying device according to the present invention;

FIG. 5 is a schematic view of the structure of the beat-up mechanism of the present invention;

FIG. 6 is a schematic view of a first inspection station according to the present invention;

FIG. 7 is a schematic view of a first area array station of the present invention;

FIG. 8 is a schematic diagram of a second area array station according to the present invention;

FIG. 9 is a schematic view of a third area array station according to the present invention;

FIG. 10 is a schematic view of a fourth matrix station according to the present invention;

FIG. 11 is a schematic view of a wheel mechanism according to the present invention;

FIG. 12 is a schematic view of a second inspection station according to the present invention;

FIG. 13 is a schematic view of a first linear sweep camera station according to the present invention;

FIG. 14 is a schematic view of a second line scan camera station according to the present invention;

FIG. 15 is a schematic view of a third linear sweep camera station according to the present invention;

FIG. 16 is a schematic view of a fourth linear camera station according to the present invention;

FIG. 17 is a schematic view of an exit conveyor of the present invention;

FIG. 18 is a schematic view of a culling mechanism of the present invention;

FIG. 19 is a schematic view of a demagnetizing mechanism of the present invention;

reference numerals illustrate: 1-detecting and conveying the device; 2-a beat-up mechanism; 3-a first detection station; 4-a rotating wheel mechanism; 5-a second detection station; 6-outlet conveyor; 7-a rejecting mechanism; 8-demagnetizing mechanism; 9, a box body; 10-driven wheel; 11-a driven end fixing plate; 12-conveying support legs; 13-a belt; 14-conveying the profile; 15-backing plate; 16-a drive end fixing plate; 17-a driving shaft; 18-a servo motor; 19-a coupling; 20-a servo motor fixing plate; 21-a beat-up mechanism guide plate; 22-guide plate support; 23-pushing plate; 24-a transfer block; 25-cylinder; 26-a cylinder fixing plate; 27-supporting a section bar; 28-adjusting plate; 29-a first array station; 30-a second area array station; 31-a third array station; 32-fourth matrix station; 33-supporting legs; 34-a bottom plate; 35-a first runner; 36-a third rotating shaft; 37-synchronizing wheel; 38-a runner fixing plate; 39-synchronous drive belt; 40-tensioning mechanism; 41-a second rotating shaft; 42-a second wheel; 43-a first spindle; 44-a third wheel; 45-guide plates; 46-a motor fixing plate; 47-a first line scan camera station; 48-a second line sweep camera station; 49-a third linear sweep camera station; 50-fourth swipe camera station; 51-conveying guide plates; 52-an air blowing port; 53-main leg of the rejection mechanism; 54-a rejecting mechanism servo motor; 55-guard plate fixing plates; 56-collecting basket; 57-removing the air blowing port; 58-electromagnetic valve; 59-blowing fixing plates; 60-removing a driving shaft of the mechanism; 61-bearing seats; 62-bearing fixing plate; 63-auxiliary legs; 64-a reject mechanism wheel; 65-strong magnet; 66-shell guard; 67-housing guide plate; 68-guide plate fixed leg; 69-demagnetizer main machine; 70-demagnetizer bracket.

Detailed Description

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

In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.

The invention provides a cylindrical hollow shell detection device, which is shown by referring to fig. 1, 2 and 3, and comprises a detection station, a beat-up mechanism 2, a conveying part, a rotating wheel mechanism 4, a rejecting mechanism 7 and a demagnetizing mechanism 8, wherein the detection station, the beat-up mechanism 2, the conveying part, the rotating wheel mechanism 4 and the demagnetizing mechanism 8 are arranged on a box body 9. Specifically, the conveying part comprises a detection conveying device 1 and an outlet conveying device 6, as shown in fig. 6, 7, 8, 9 and 10, the detection stations comprise a first detection station 3, the first detection station 3 is arranged at two sides of the detection conveying device 1, and the first detection station 3 comprises a first array station 29, a second array station 30, a third array station 31 and a fourth array station 32 which are respectively arranged at two sides of the conveying part; the first area array station 29, the second area array station 30 and the third area array station 31 respectively comprise a station support frame, a camera and a light source are arranged on the station support frame, the positions of the camera and the light source can be adjusted, and the first detection station 3 can detect the outer surface, the mouth, the inner bottom surface, the inner wall and the like of the bottom of the battery shell; the fourth array station comprises a station support frame, an adjusting rod is arranged on the station support frame, a camera and a light source are arranged on the adjusting rod, the positions and angles of the camera and the light source on the fourth array station 32 can be adjusted, different cameras, lenses and light sources are respectively arranged for obtaining the optimal drawing effect according to different detection positions and detection requirements, various adjustment amounts, such as integral left-right, front-back and height adjustment, camera and light source adjustment, and the adjustment amounts of angle and height adjustment are reserved for the light sources of part of stations. The area array detection of the detection station can be completely adaptively adjusted according to different working conditions on site, multi-station and multi-angle light supplementing is realized, and the multi-camera acquisition can better carry out omnibearing detection and data collection on a product shell. A rotating wheel mechanism is arranged between the detection conveying device and the outlet conveying device, and can rotate the cylindrical hollow shell by 360 degrees; the second detection station 5 is arranged above the rotating wheel mechanism 4, as shown in fig. 12, 13, 14, 15 and 16, the second detection station 5 comprises a first line scanning camera station 47, a second line scanning camera station 48, a third line scanning camera station 49 and a fourth line scanning camera station 50, the line scanning cameras are arranged on the first line scanning camera station 47, the second line scanning camera station 48, the third line scanning camera station 49 and the fourth line scanning camera station 50, the line scanning cameras can be used for acquiring the image data of the outer surface of the battery shell more accurately and clearly, and the data of products can be better analyzed in the system; the multi-station and multi-angle light supplementing camera can better perform omnibearing detection and data collection on the product shell; the angle of the line scanning camera on the first line scanning camera station 47 can be adjusted, in order to obtain the best image capturing effect, the line scanning camera and the light source are respectively arranged, and various adjustment amounts, such as integral left-right, front-back and height adjustment, are reserved according to practical situations, the camera and the light source are respectively adjusted front-back, and the light source of part of the stations is also reserved with the adjustment amounts of angle and height adjustment, so that the area array detection of the detection station can be completely adaptively adjusted according to different working conditions on site.

When the invention works, the product is conveyed on detection conveying, firstly, the battery shells on the conveying belt are tidily arranged through the beating mechanism 2 so as to be convenient for detection; then, detecting the outer surface, the opening, the inner bottom surface, the inner wall and the like of the bottom of the battery shell through a first detection station 3; after detection, the battery shell enters the rotating wheel mechanism 4, the shell of the battery shell in the rotating wheel mechanism 4 is sequentially transmitted on three rotating wheels, and after the shell is transmitted on the three rotating wheels, the outer surface of the shell is 360 degrees under a detection station, so that the detection is convenient, the shell is limited at the outlet of the rotating wheel mechanism 4, and the left-right dislocation condition of the shell entering the outlet for conveying can be avoided; the second detection station 5 is arranged right above the rotating wheel mechanism, all the second detection stations 5 are line scanning cameras, when the shell of the battery shell rotates along with the rotating wheel mechanism, the second detection stations 5 carry out multi-direction and multi-angle light supplementing, a plurality of line scanning cameras respectively collect, the line scanning cameras can collect image data of the outer surface of the shell of the battery shell more accurately and clearly, and data of products can be better analyzed in the system; the plurality of line scanning cameras can collect all directions of casing by scanning in multiple directions. (because the time occupied by the detection at the line scanning station is slightly longer, in order not to affect the detection efficiency, the line scanning part simultaneously detects eight battery cases by drawing the graph in each action); after detection, the product enters an outlet conveying device 6, a rejecting mechanism 7 is magnetically attracted and rotationally rejected, reject unqualified products can be respectively rejected according to different degrees of defects such as scratches, deformation and concave-convex points of the product, reject the product seriously into one collecting basket to wait for direct scrapping treatment, reject slightly repairable defects into the other collecting basket, and uniformly repair the product. Continuing conveying qualified products; the outlet conveying device 6 is provided with a demagnetizing mechanism 8, and the shell of the good battery shell is demagnetized during conveying. The battery shell body passing through the first detection station 3 and the second detection station 5 is subjected to image taking and software detection through a plurality of line scanning cameras, all-dimensional detection of no dead angle on the inner surface and the outer surface is carried out on each battery shell, the standard of full detection is achieved, defective products are removed, and the battery shells which are output through detection and conveying all reach the standard of qualified detection.

Further preferably, as shown in fig. 4, the detection conveying device 1 comprises a conveying section bar 14, a conveying supporting leg 12 is arranged at the bottom of the conveying section bar 14 and used for supporting detection conveying and adjusting the detection conveying height, a driven wheel 10 is arranged at one end of the conveying section bar 14 through a driven end fixing plate 11, a driving wheel is arranged at the other end of the conveying section bar 14 through a driving end fixing plate 16, the driving wheel and the driven wheel are connected through a closed belt transmission, and the driven end fixing plate 11 is used for fixing the driven wheel on the conveying section bar 14 and tensioning a belt 13. The driven wheel main part is the synchronizing wheel for the operation of belt 13, and action wheel one end is connected with conveyor's servo motor 18 through driving shaft 17 and shaft coupling 19 transmission, and servo motor 18 passes through servo motor fixed plate 20 and installs in action wheel one end, and servo motor 18 is used for providing power, accurate control belt's operation speed and fixed point brake for the operation of belt 13 to give the signal of telecommunication of monitoring and be used for triggering detection, rejecting etc., be equipped with backing plate 15 between transport section bar upper surface and the belt, the material is the ultra high molecular polyethylene, is equipped with the fluting on backing plate 15, and the fluting width is greater than the belt width for control of restriction belt rocks and reduces the frictional force of belt and contact surface. The outlet conveying device 6 is similar to the detection conveying device 1 in structure, as shown in fig. 17, and is different in that a conveying guide plate 51 is fixedly arranged on a driven end fixing plate 11 of the outlet conveying device 6, and the two conveying guide plates 51 are symmetrically arranged on two sides of a belt and mainly used for guiding a battery shell; and an air blowing port 52 is arranged on the side wall of the conveying profile, and the air blowing port 52 is positioned on one side of the belt and is used for assisting in removing unqualified products. In the invention, the belt of the conveying device is of a double-layer structure, the lower layer of the belt is a synchronous belt, the tooth shape of the synchronous belt is the same as that of the driving wheel and the driven wheel, the upper layer of the belt is a red glue layer, grooves are formed on the surface of the red glue layer at intervals, and the grooves are used for fixing and driving the cylindrical hollow shell to move. In another different embodiment, the belt structure can be further deformed, the belt adopts an integrated structure, the inner side of the belt is a synchronous belt layer, the tooth shape of the synchronous belt layer is the same as the tooth shape of the driving wheel and the driven wheel, the outer side of the belt is integrated with a baffle strip, a gap between the baffle strip and the baffle strip can support the battery shell in a mode of two-line contact for fixing and driving the battery shell to move, and different belts can be selected according to different requirements of a customer site.

In order to cooperate with the second detection station to perform line scanning detection on the whole aspect of the battery shell, a rotating wheel mechanism 4 is uniquely designed, and as shown in fig. 11, the shell product can completely present the outer surface of the shell under the detection station by 360 degrees through three rotating wheels; specifically, the rotating wheel mechanism 4 comprises a bottom plate 34 located between the detection conveying device and the outlet conveying device, the bottom of the bottom plate 34 is provided with a supporting leg 33, two sides of the top of the bottom plate 34 are fixedly provided with rotating wheel mounting plates, a first rotating shaft 43, a second rotating shaft 41 and a third rotating shaft 36 are movably arranged between the two rotating wheel mounting plates in sequence, a first rotating wheel 35, a second rotating wheel 42 and a third rotating wheel 44 are correspondingly and fixedly arranged on the three rotating shafts respectively, one ends of the two rotating shafts located at two ends penetrate through the rotating wheel mounting plates and are fixedly provided with a synchronous wheel respectively, one end of the rotating shaft located in the middle penetrates through the rotating wheel mounting plates and is provided with two synchronous wheels 37, the two synchronous wheels 37 located in the middle are in transmission connection with the synchronous wheels 37 located at two ends respectively through a synchronous driving belt 39, further, in order to enable transmission to be more accurate, and slipping is avoided, and the bottom of the synchronous driving belt 39 is provided with a tensioning mechanism 40, and the tensioning wheel capable of being adjusted by the tensioning mechanism 40 is in contact connection with the bottom outside the synchronous driving belt, so as to achieve tensioning effect; the two rotating wheels at the two ends are provided with radial grooves in a ring manner, the rotating wheel in the middle is nested in the radial grooves of the two rotating wheels at the two ends, and the three rotating wheels are not interfered with each other, so that the distance between the three rotating wheels is shortened, and the battery case is convenient to transfer; one end of one rotating shaft far away from the synchronous wheel is in transmission connection with a servo motor 18, the servo motor 18 is arranged on the rotating wheel fixing plate 38 through a motor fixing plate 46, and the servo motor 18 is used for providing power for the operation of the rotating shaft connected with the servo motor 18 and precisely controlling the operation speed and fixed-point brake of the rotating shaft; the other two rotating wheels rotate along with the rotating wheel connected with the servo motor through the connected synchronous transmission belt, and the specifications and the types of the synchronous wheels arranged on the three rotating shafts are the same, so that the three rotating wheels can keep synchronous rotation in the same direction; the grooves which are axially arranged are formed in the outer edges of the rotating wheels, the strong magnet 65 is arranged below each groove, the strong magnet 65 can be adsorbed and fixed on the cylindrical hollow shell, dislocation cannot be moved when the rotating wheels rotate, and a strong magnet support is arranged between the two rotating wheels and used for guaranteeing perfect butt joint transfer of shell products between the two rotating wheels. The shell product can completely present the outer surface of the shell under the detection station by 360 degrees through three rotating wheels; the end of the bottom plate close to the outlet conveyor is provided with a guide plate 45 arranged obliquely for final guiding and conveying of the product. When the casing is adsorbed to the runner of one end, system PLC receives the signal and gives servo motor with signal transmission, servo motor starts rotatory, three runner starts synchronous rotation, this runner carries the casing to turn to behind the strong magnet support between the runner, the casing is adsorbed on the casing support, after the runner recess in centre turns to strong magnet support department, adsorb the casing again on the runner in centre, the runner in centre carries the casing to rotate, after turning to strong magnet support department, the casing is inhaled on the strong magnet support again by magnetism, the runner recess of the other end is adsorbed again on the other end runner after turning to strong magnet support department and is rotated, this runner carries the casing product rotation to deflector 45 department, the casing breaks away from this runner under the stop of deflector 45, slide on the deflector 45, the casing appearance is presented under the detection station through 360 of three runners when the casing slides to the deflector.

In order to ensure uniform alignment of products before detection, a beating and aligning mechanism 2 is arranged on two sides of the conveying part, which are close to the detection station, as shown in fig. 5; the leveling mechanism 2 comprises a guide plate support 22 fixedly arranged on one side of the conveying part, a leveling mechanism guide plate 21 is arranged at the top of the guide plate support 22, slotted holes are formed in the leveling mechanism guide plate 21 and can finely adjust the heights of the leveling mechanism guide plate 21 after the battery shells are leveled and are offset to the left and right sides or are centered in conveying, an adjusting plate 28 is arranged on the other side of the conveying part, a supporting section bar 27 is fixedly arranged on the adjusting plate 28, a cylinder 25 horizontally arranged is arranged on the inner side of the top of the supporting section bar 27 through a cylinder fixing plate 26, a push plate 23 is connected to the tail end of the cylinder 25 through a transfer block 24, the push plate 23 is connected with the cylinder 25 through a transfer block, the situation that all working surfaces in contact with the battery shells are smooth and flat is avoided, the push plate can move back and forth under the action of the cylinder 25, the adjustment in the height direction can be carried out through the cylinder 25 fixing plate, the push plate 23 and the leveling mechanism guide plate 21 are mutually matched, the uncluttered battery shells are tidy, the two ends of the side, which are close to the conveying part, of the side edges of the supporting section bar 27 are respectively provided with a chamfer, the two ends which are close to the conveying part are respectively, the two ends of the battery shells can be offset to the battery shells, and the battery shells can be directly prevented from being directly collided with the guide plate, and the side-transfer plate is prevented from being directly from being damaged.

When unqualified products are detected, the unqualified products need to be removed, and meanwhile, the unqualified products are adsorbed by the magnet for a plurality of times in the previous detection process, so that demagnetization treatment is needed, and a removing mechanism 7 and a demagnetization mechanism 8 are sequentially arranged at an outlet conveying device, and the invention is particularly referred to in fig. 18 and 19; the rejecting mechanism 7 comprises rejecting mechanism main supporting legs 53 and auxiliary supporting legs 63 which are fixedly arranged on two sides of the outlet conveying device, a rejecting mechanism servo motor 54 is arranged at the top of the rejecting mechanism main supporting legs 53, a rejecting mechanism driving shaft 60 is connected with the rejecting mechanism servo motor 54 through a coupling transmission, one end of the rejecting mechanism driving shaft 60, which is far away from the rejecting mechanism servo motor 54, is connected with the top of the auxiliary supporting legs 63, one end of the rejecting mechanism driving shaft 60 is arranged at the side top of the rejecting mechanism main supporting legs, one end of the rejecting mechanism driving shaft 60 is arranged on a bearing fixing plate 62 at the top of the auxiliary supporting legs, and two ends of the rejecting mechanism driving shaft are fixed by using bearing seats 61; the removing mechanism driving shaft 60 is fixedly sleeved with the removing mechanism rotating wheel 64, an axial groove is formed in the side wall of the removing mechanism rotating wheel 64, a strong magnet 65 is arranged in the groove, the removing mechanism rotating wheel 64 is made of nylon, the groove is made according to a product shell, the strong magnet 65 in the groove can effectively adsorb the shell product, the whole surface of the removing mechanism rotating wheel 64 is specially treated, the shell surface is prevented from being scratched when the shell slides on the rotating wheel surface, and secondary scratch is caused to the shell; a guard plate fixing plate 55 is arranged above the removing mechanism rotating wheel 64, one end of the guard plate fixing plate 55 is fixedly connected with one side of the top of the main supporting leg of the removing mechanism, shell guard plates 66 with arc structures are arranged on the front side and the rear side of the guard plate fixing plate 55, the shell guard plates 66 are positioned on the outer sides of the removing mechanism rotating wheel and are used for protecting shell products from falling, a shell guide plate 67 which is obliquely arranged is arranged below the shell guard plates 66, the bottom of the shell guide plate 67 is arranged on one side of the outlet conveying device through a guide plate fixing supporting leg 68, a collecting basket 56 is arranged below the shell guide plate 67, collecting baskets 56 are arranged at two ends of the removing mechanism and are used for storing unqualified products, the unqualified products can be removed respectively according to different degrees of defects such as scratches, deformation and concave-convex points of the products, the defects are seriously removed into the collecting baskets and waiting for direct scrapping treatment, and the defects can be slightly repaired and removed into another collecting basket, and repairing treatment is uniformly carried out; the top of the auxiliary supporting leg is provided with a removing air blowing port 57 through an air blowing fixing plate 59, the removing air blowing port 57 is connected with an electromagnetic valve 58 which is mainly used for controlling the air blowing of products, the shell products are blown to the other end of the rotating wheel and are conveniently removed into the collecting basket, two air blowing ports 52 are arranged on a conveying belt below the rotating wheel of the removing mechanism, two ends of the shell are respectively one, the auxiliary removing mechanism magnetically attracts unqualified products into grooves of the rotating wheel of the removing mechanism, after a system PLC receives the unqualified products signals, the signals are respectively transmitted to the removing mechanism and the air blowing mechanism on the conveying belt, after the removing mechanism receives the signals, a servo motor starts to drive, the grooves on the rotating wheel are opposite to the conveying belt below the removing mechanism in a fine adjustment position, after the air blowing mechanism receives the signals, the shell products on the conveying belt start to be collected, and the collected shell product signals are fed back to the system PLC, the system PLC carries out contrast analysis on the received shell product signals, when the shell product is determined to be a defective product, the signals are transmitted to the air blowing mechanism on the conveyor belt, the air blowing mechanism starts to start and blow air after receiving the signals, the air blowing mechanism is arranged at two ends of the shell product, the defective product shells can be ensured to be blown into the rotating wheel grooves of the removing mechanism, after the removing mechanism collects the defective shells to be magnetically adsorbed into the grooves (the rotating wheel of the removing mechanism is close to the inner side of the groove at one end of the conveyor belt, a strong magnet is arranged on the inner side of the rotating wheel of the removing mechanism, the defective products of the shells blown by the air blowing mechanism are magnetically adsorbed in the groove, the other end of the rotating wheel of the removing mechanism is free of the strong magnet), the signals are transmitted to the system PLC, the system PLC receives the signals and then transmits the signals to the servo motor of the removing mechanism, the servo motor of the removing mechanism starts and rotates, the shell products are rotated to the positions of the air blowing openings at the top, the method comprises the steps that after a shell product is collected by a removing air blowing port, blowing is carried out, the shell product is blown to the other end of a removing mechanism rotating wheel, a guard plate is arranged on the removing mechanism rotating wheel, a protective product falls off, when the product is blown to the other end of the removing mechanism rotating wheel, a removing mechanism servo motor is started and rotates left or right (when a system PLC collects a signal of an unqualified product, the damage degree of defects such as scratches, deformation and concave-convex points of the unqualified product is analyzed according to detection data of a detection system, the signal is transmitted to the servo motor, the servo motor is controlled to rotate left or right, the defect is seriously removed into a collecting basket to wait for direct scrapping, the defect is slightly removed into another collecting basket to wait for repairing), the shell product slides into the collecting basket through a shell guide plate (the rotating wheel needs to be longitudinally slotted, the shell guide plate extends into a groove of the rotating wheel, and when the shell falls onto the shell guide plate, the end of the removing mechanism rotating wheel is free of a strong magnet, the guide plate is inclined downwards, and the shell naturally slides into the collecting basket along the guide plate); the demagnetizing mechanism comprises a demagnetizing supporting part fixedly arranged on one side of the outlet conveying device, a demagnetizing machine support 70 with adjustable height is arranged on the demagnetizing supporting part, a demagnetizing machine host 69 is arranged at the bottom of the demagnetizing machine support 70, and the battery shell adsorbed by the magnets for several times can be subjected to preliminary demagnetizing treatment, so that pollution of the battery shell adsorbed by metal foreign matters to good products or mutual adhesion between the battery shells is prevented.

Example 1

The embodiment is applied to a clean workshop of a manufacturer of a famous lithium ion battery structural member in China, and a corresponding machine is arranged after a cleaning procedure and is used for replacing original manual detection.

The machine is of a unitary structure and comprises a detection part, a control electric box and the like.

The steps of the present embodiment are as follows:

the first step: the compressed gas inlet of the embodiment is connected with a compressed gas interface of a client, an air inlet valve is opened, and a gas circuit is communicated; the control electric box is connected with the 220V power supply of the client, the main power supply switch is rotated, the power on of the electric box is detected, the computer starting button on the operation panel is pressed, the industrial personal computer is started, and the detection system is formally started.

And a second step of: after the product enters the detection conveyer belt, the product is comprehensively detected, each station of the detection equipment can normally take the image and can correctly classify and reject defective products, defective products are rejected, the defective products are conveyed to the next process through the defective product conveyer belt, and the defective products are conveyed to the next process through the detection conveyer belt and are regarded as normal use of the machine.

And a third step of: the control panel of the embodiment is provided with a button for closing the computer, the computer is firstly closed during working hours, then the rotary switch is turned off to close the power supply, the air inlet valve is turned off to disconnect the air path, and then the machine can be closed. The operation is very simple and practical. After the equipment is normally installed and used for a long time, the equipment is well reflected in the aspect of customers, the customers are helped to remove a plurality of defective battery cases, the complaint rate and the return rate of the customers are effectively reduced, and the equipment is clearly compared with the conditions of low manual detection efficiency and low detection precision before, so that the equipment is well-valued and accepted by the customers.

The invention relates to an off-line detection device for detecting the quality of the inner surface and the outer surface of a cylindrical hollow battery shell based on a machine vision principle, but the whole scheme is not limited to the off-line detection device. Various cylinders of different diameters, heights, wall thicknesses, and the like are included in such assays. The embodiment of the invention is applied to the production of battery cases, but is not limited to the above, and can detect various objects with similar shapes or be compatible in up-down detection when the angle of the camera is adjusted or the camera is increased or decreased. All the equivalent substitutions or simple changes made on the basis of the invention for solving the basically same technical problems and realizing basically same technical effects are within the protection scope of the invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.

Claims

1. A cylindrical hollow shell detection device, characterized in that: the detection device comprises a detection station, wherein the detection station can detect a cylindrical hollow shell;

the conveying part can convey the cylindrical hollow shell to be detected to the detection station and can convey the detected qualified products to the qualified product area;

the rejecting mechanism is positioned at the tail end of the detection station and can reject the detected unqualified products into the collecting baskets at the two sides.

2. The cylindrical hollow shell detection device according to claim 1, wherein: the detection station comprises a first detection station, wherein the first detection station comprises a first area array station, a second area array station, a third area array station and a fourth area array station which are respectively arranged at two sides of the conveying part; the first area array station, the second area array station and the third area array station respectively comprise a station support frame, a camera and a light source are arranged on the station support frame, and the positions of the camera and the light source can be adjusted; the fourth array station comprises a station support frame, an adjusting rod is arranged on the station support frame, a camera and a light source are arranged on the adjusting rod, and the positions and angles of the camera and the light source on the fourth array station can be adjusted.

3. The cylindrical hollow shell detection device according to claim 2, wherein: the conveying part comprises a detection conveying device and an outlet conveying device, and the first detection stations are arranged on two sides of the detection conveying device; a rotating wheel mechanism is arranged between the detection conveying device and the outlet conveying device, and the rotating wheel mechanism can rotate the cylindrical hollow shell by 360 degrees; a second detection station is arranged above the rotating wheel mechanism, and comprises a first linear scanning camera station, a second linear scanning camera station, a third linear scanning camera station and a fourth linear scanning camera station, wherein the heights of the first linear scanning camera station, the second linear scanning camera station, the third linear scanning camera station and the fourth linear scanning camera station can be adjusted; the line scan camera angle on the first line scan camera station can be adjusted.

4. A cylindrical hollow housing detection apparatus according to claim 3, wherein: the rotating wheel mechanism comprises a bottom plate positioned between the detection conveying device and the outlet conveying device, supporting legs are arranged at the bottom of the bottom plate, rotating wheel mounting plates are fixedly arranged on two sides of the top of the bottom plate, three rotating shafts are movably arranged between the two rotating wheel mounting plates in sequence, one rotating wheel is fixedly arranged on each of the three rotating shafts, one ends of the two rotating shafts positioned at two ends penetrate through the rotating wheel mounting plates, one synchronizing wheel is fixedly arranged at each end of the rotating shaft positioned at the two ends after penetrating through the rotating wheel mounting plates, two synchronizing wheels are arranged at one end of the rotating shaft positioned in the middle after penetrating through the rotating wheel mounting plates, and the two synchronizing wheels positioned in the middle are in transmission connection with the synchronizing wheels positioned at the two ends through synchronizing transmission belts; one end of one rotating shaft, which is far away from the synchronous wheel, is in transmission connection with a servo motor; grooves which are axially arranged are formed in the outer edges of the rotating wheels, a strong magnetic magnet is arranged below each groove, the strong magnetic magnet can adsorb and fix a cylindrical hollow shell, and a strong magnetic magnet bracket is arranged between every two adjacent rotating wheels; and one end of the bottom plate, which is close to the outlet conveying device, is provided with a guide plate which is obliquely arranged.

5. A cylindrical hollow housing detection apparatus according to claim 3, wherein: the detection conveying device comprises a conveying section bar, a conveying supporting leg is arranged at the bottom of the conveying section bar, a driven wheel is arranged at one end of the conveying section bar through a driven end fixing plate, a driving wheel is arranged at the other end of the conveying section bar through a driving end fixing plate, the driving wheel is connected with the driven wheel through a closed belt transmission, a servo motor is connected with one end of the driving wheel in a transmission mode, a base plate is arranged between the upper surface of the conveying section bar and the belt, a groove is formed in the base plate, and the groove width is larger than the width of the belt.

6. A cylindrical hollow housing detection apparatus according to claim 3, wherein: the outlet conveying device comprises a conveying section, a conveying supporting leg is arranged at the bottom of the conveying section, a driven wheel is arranged at one end of the conveying section through a driven end fixing plate, a driving wheel is arranged at the other end of the conveying section through a driving end fixing plate, the driving wheel and the driven wheel are in transmission connection through a closed belt, one end of the driving wheel is in transmission connection with a servo motor through a driving shaft, a base plate is arranged between the upper surface of the conveying section and the belt, a groove is formed in the base plate, and the width of the groove is larger than that of the belt; the driven end fixing plate is fixedly provided with a conveying guide plate, and the two conveying guide plates are symmetrically arranged on two sides of the belt; and an air blowing port is arranged on the side wall of the conveying section bar and is positioned on one side of the belt.

7. The cylindrical hollow housing detection apparatus according to claim 5 or 6, wherein: the belt is bilayer structure, the belt lower floor is synchronous belt, synchronous belt's profile of tooth is the same with the profile of tooth of action wheel and follow driving wheel, the belt upper strata is the red glue film, and red glue film surface interval is provided with the recess, the recess is used for fixed and drives cylindrical cavity casing and removes.

8. The cylindrical hollow housing detection apparatus according to claim 5 or 6, wherein: the belt is of an integrated structure, the inner side of the belt is a synchronous belt layer, the tooth shape of the synchronous belt layer is identical to the tooth shape of the driving wheel and the tooth shape of the driven wheel, the outer side of the belt is integrated into one piece, barrier strips are arranged between two adjacent barrier strips, and the barrier strips are used for fixing and driving the cylindrical hollow shell to move.

9. The cylindrical hollow shell detection device according to claim 1, wherein: two sides of the conveying part, which are close to the detection station, are provided with a beating and aligning mechanism; the automatic chamfering machine is characterized in that the beating and leveling mechanism comprises a guide plate support fixedly arranged on one side of the conveying part, the guide plate support top is provided with a beating and leveling mechanism guide plate, the other side of the conveying part is provided with an adjusting plate, a supporting section bar is fixedly arranged on the adjusting plate, a horizontally arranged cylinder is arranged on the inner side of the top of the supporting section bar through a cylinder fixing plate, the tail end of the cylinder is connected with a push plate through an adapter, and both ends of one side, close to the conveying part, of the push plate and the beating and leveling mechanism guide plate are respectively provided with a chamfer.

10. A cylindrical hollow housing detection apparatus according to claim 3, wherein: the outlet conveying device is sequentially provided with a rejecting mechanism and a demagnetizing mechanism; the rejecting mechanism comprises a rejecting mechanism main supporting leg and an auxiliary supporting leg which are fixedly arranged on two sides of the outlet conveying device, a rejecting mechanism servo motor is arranged at the top of the rejecting mechanism main supporting leg, a rejecting mechanism driving shaft is connected with the rejecting mechanism servo motor in a transmission manner, and one end of the rejecting mechanism driving shaft, which is far away from the rejecting mechanism servo motor, is connected with the top of the auxiliary supporting leg; the driving shaft of the removing mechanism is fixedly sleeved with a removing mechanism rotating wheel, the side wall of the removing mechanism rotating wheel is provided with an axial groove, and a strong magnet is arranged in the groove; a guard plate fixing plate is arranged above the removing mechanism rotating wheel, one end of the guard plate fixing plate is fixedly connected with one side of the top of the main leg of the removing mechanism, shell guard plates with arc structures are arranged on the front side and the rear side of the guard plate fixing plate, the shell guard plates are positioned on the outer side of the removing mechanism rotating wheel, a shell guide plate which is obliquely arranged is arranged below the shell guard plates, the bottom of the shell guide plate is arranged on one side of the outlet conveying device through guide plate fixing legs, and a collecting basket is arranged below the shell guide plate; the top of the auxiliary supporting leg is provided with a removing air blowing port through an air blowing fixing plate, and the removing air blowing port is connected with an electromagnetic valve; the demagnetizing mechanism comprises a demagnetizing supporting part fixedly arranged on one side of the outlet conveying device, a demagnetizing machine support with adjustable height is arranged on the demagnetizing supporting part, and a demagnetizing machine main machine is arranged at the bottom of the demagnetizing machine support.