CN112474586A - Intelligent cleaning and detecting production line for laminated digital battery core storage and transportation device - Google Patents
Intelligent cleaning and detecting production line for laminated digital battery core storage and transportation device Download PDFInfo
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- CN112474586A CN112474586A CN202011326343.9A CN202011326343A CN112474586A CN 112474586 A CN112474586 A CN 112474586A CN 202011326343 A CN202011326343 A CN 202011326343A CN 112474586 A CN112474586 A CN 112474586A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
Abstract
The invention provides an intelligent cleaning and detecting production line for a laminated digital battery cell storage and transportation device, which is used for efficiently and automatically cleaning the storage and transportation device. This intelligence washs drying system can absorb dress material basket module, ultrasonic cleaning module, wind and sweep module, material basket and move and carry module, tunnel drying module, robot and absorb dress ejection of compact basket module and warehousing and transportation device unloading buffer module including warehousing and transportation device material loading buffer module, robot.
Description
Technical Field
The application relates to the field of lithium batteries, in particular to an intelligent cleaning and detecting production line for a laminated digital battery core storage and transportation device.
Background
In the production process of the lithium battery, the storage and transportation device is required to be used for turnover of the battery core, ceramic powder and other micro impurities can be remained on the surface of the used storage and transportation device, and the storage and transportation device is required to be cleaned before being reused. The traditional cleaning method is manual cleaning, the method is time-consuming and labor-consuming and low in efficiency, and the cleaning quality is difficult to guarantee.
Disclosure of Invention
In order to meet the requirements, the invention provides an intelligent cleaning and detecting production line for a laminated digital battery cell storage and transportation device, which can comprise a storage and transportation device feeding cache module, a robot suction charging basket module, an ultrasonic cleaning module, an air sweeping module, a charging basket transferring module, a tunnel drying module, a robot suction charging and discharging basket module and a storage and transportation device discharging cache module, wherein:
the storage and transportation device feeding cache module is used for transporting and lifting a storage and transportation device material stack with a preset height to a preparation position;
the robot suction charging basket module is used for placing the storage and transportation device in the storage and transportation device material stack in a vertical mode in the material basket from the preparation position in a vacuum suction mode;
the ultrasonic cleaning module is used for cleaning the material basket and the storage and transportation device by means of ultrasonic waves;
the air sweeping module is arranged for sweeping water on the cleaned material basket and the storage and transportation device;
the material basket transferring module is used for transferring the purged material basket and the storage and transportation device to the tunnel drying module;
the tunnel drying module is used for drying the material basket and the storage and transportation device by utilizing hot air circulation;
the robot suction discharging basket module is used for taking the storage and transportation device out of the material basket in a vacuum adsorption mode, visually detecting the surface cleanliness of the storage and transportation device, and placing the storage and transportation device in the storage and transportation device blanking cache module; and the number of the first and second groups,
the storage and transportation device blanking cache module is used for transmitting the storage and transportation device to a position to be blanked.
Further, the storage and transportation device material loading cache module comprises a linear transmission line, a line end in-place detection unit and a servo lifting unit, wherein: the linear transmission line is provided with an upper-limit height detection sensor and a lower-limit height detection sensor which are used for sensing the height of the material pile of the storage device on the linear transmission line; the line end in-place detection unit is arranged to detect whether the stock pile of the storage and transportation device reaches a preset position; the servo lift unit is arranged for lifting the stack of magazines to the preparation position.
Further, the robot suction charging basket module comprises a robot body, a storage and transportation device suction unit and a vacuum pipeline control unit, wherein: the storage and transportation device sucking unit is used for sucking the storage and transportation device from the storage and transportation device material stack and putting down the storage and transportation device; the robot body is arranged for placing the storage and transportation device sucked by the storage and transportation device sucking unit in a vertical mode into the material basket; the vacuum line control unit is configured to create or break a vacuum environment between the storage and transportation device suction unit and the storage and transportation device.
Further, the ultrasonic cleaning module comprises an ultrasonic cleaning tank and a material basket transfer unit, wherein: the material basket transferring unit is used for lifting and transferring the material basket and the storage and transportation device into the ultrasonic cleaning tank; the ultrasonic cleaning tank comprises a plurality of ultrasonic generating assemblies and a water tank, wherein the ultrasonic generating assemblies comprise two ultrasonic generators with different frequencies, and a grid-shaped supporting frame is arranged in the water tank and used for supporting the material basket so that the bottom of the material basket is away from the bottom of the water tank by a certain distance.
Further, the frequencies of the two ultrasonic generators of the ultrasonic wave generating assembly are respectively 50KHz and 70 KHz;
the ultrasonic generator comprises a piezoelectric ceramic stack block, an amplitude transformer and an auxiliary reinforcing component, wherein:
the piezoelectric ceramic stack block comprises a plurality of piezoelectric ceramic blocks and electrodes;
the amplitude transformer comprises a cylindrical section, a first conical section and a second conical section; the diameter of the cylindrical section is the same as the maximum diameter of the first conical section, and the maximum diameter of the second conical section is the same as the minimum diameter of the first conical section; in the first conical section, the ratio of the maximum diameter to the minimum diameter is 2.1-2.2, and the conical angle is 80-81 degrees; in the second conical section, the ratio of the maximum diameter to the minimum diameter is 1.95-2.05, and the conical angle is 85-86 degrees;
the sum of the lengths of the piezoelectric ceramic stacking block and the amplitude transformer in the ultrasonic wave transmitting direction is three-quarter wavelength;
the auxiliary reinforcing component comprises two mounting seats and four hinged connecting pieces, wherein a central mounting hole is formed in the surface of each mounting seat along the ultrasonic wave emission direction, and two hinged connecting pieces are connected to one side surface of each mounting seat; the first end and the second end of the hinged connecting piece are respectively connected with the mounting seat and the cylindrical section of the amplitude transformer; the second end of the hinged connecting piece is provided with an arc surface, and the shape of the arc surface is matched with the surface of the cylindrical section of the amplitude transformer; semicircular grooves are formed in two surfaces of the hinged connecting piece along the ultrasonic wave emission direction respectively, and the vertical distance between the central axis of each groove and the first end of the hinged connecting piece is half of the vertical distance between the central axis of each groove and the central axis of the central mounting hole of the mounting seat; two hinged connectors on the same mounting seat are arranged so that the central axes of the grooves on the same side are overlapped; and the connecting position of the hinged connecting piece of the auxiliary reinforcing component and the cylindrical section of the amplitude transformer is arranged at a longitudinal vibration node.
Furthermore, an ultrasonic emitter is connected to the second conical section of the horn, and the length of the ultrasonic emitter in the ultrasonic emission direction is one half of the wavelength; in the first conical section, the ratio of the maximum diameter to the minimum diameter is 2.17, and the cone angle is 80.6 degrees; in the second conical section, the ratio of the maximum diameter to the minimum diameter is 12, and the conical angle is 85.3 degrees.
Furthermore, the air sweeping module comprises a sweeping unit, a blocking and lifting positioning unit, an air supply unit and a water receiving tank; the tunnel drying module comprises an outer cover body, a heating unit, a hot air circulation system and a PID control system; the robot sucking and discharging basket module comprises a robot body, a storage and transportation device sucking unit and a vacuum pipeline control unit; the unloading cache module of the storage and transportation device comprises a linear transmission line, a line end in-place detection unit and a servo falling unit.
Further, the robot suction and discharge basket module further comprises a visual detection unit which comprises an image acquisition unit for acquiring a surface image of the storage and transportation device and an image analysis unit for analyzing cleanliness based on the surface image.
Further, the image acquisition unit includes a base, a light source, and an imaging assembly, wherein:
the light source comprises a field emission light-emitting device arranged on the base, the field emission light-emitting device is provided with an anode, a cathode and a grid electrode, the anode comprises a second ITO glass plate coated with a fluorescent layer, the grid electrode comprises one part of a transparent electrode formed on the first ITO glass plate in an etching mode, the cathode comprises the other part of the transparent electrode formed on the first ITO glass plate in the etching mode, the nanotube layer is formed on the transparent electrode, and the first ITO glass plate and the second ITO glass plate are separated through a transparent spacer to provide a vacuum sealing space;
the imaging assembly comprises a fisheye lens assembly and a CCD device which are arranged on the base, wherein the fisheye lens assembly sequentially comprises a negative meniscus lens with a forward convex surface, a positive meniscus lens with a forward concave surface, a compound curved lens, a positive meniscus lens with a forward convex surface, a biconcave lens, a biconvex lens with a forward convex surface and a large absolute curvature value, a negative meniscus lens with a forward concave surface, a plano-convex lens with a backward convex surface and a biconvex lens with a forward convex surface and a small absolute curvature value from the object side to the image side, a diaphragm is arranged between the compound curved lens and the positive meniscus lens with the forward convex surface, and the biconcave lens and the biconvex lens with the forward convex surface and the large absolute curvature value are glued together; the compound curved lens is provided with a front side surface and a rear side surface, wherein the front side surface sequentially forms a first refraction area, a first reflection area and a second refraction area from an optical axis to an edge, and the rear side surface sequentially forms a second refraction area and a third reflection area from the optical axis to the edge.
Further, the base is substantially cross-shaped, comprising a cylindrical portion with a radius R1 and a height H1, and an annular portion with an inner and outer diameter R1 and R2, respectively, and a height H2, H2< H1: and, the light source is disposed on a lower surface of the annular portion, and the imaging assembly is disposed on a lower surface of the cylindrical portion.
Drawings
Embodiments of the invention will now be described in detail, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 schematically illustrates a storage and transportation device loading buffer module in an intelligent cleaning and detection production line according to the present invention;
FIG. 2 schematically illustrates a robotic suction loading basket module in a smart cleaning inspection line according to the present invention;
figure 3 schematically shows a top view of an ultrasonic generator according to the invention;
fig. 4 schematically shows a structural principle view of a visual inspection unit according to the present invention;
fig. 5 schematically shows an optical path structure of the fish-eye lens assembly according to the present invention.
Detailed Description
The intelligent cleaning and detecting production line of the laminated digital battery cell storage and transportation device can comprise a storage and transportation device feeding cache module, a robot suction and discharge basket module, an ultrasonic cleaning module, a wind sweeping module, a material basket transfer module, a tunnel drying module, a robot suction and discharge basket module and a storage and transportation device discharging cache module.
Fig. 1 shows a perspective view of a feeding buffer module of a storage and transportation device according to the present invention, which may include a linear transmission line, a line end in-place detection unit, and a servo-lift unit.
In the working process, the material pile of the storage and transportation device is manually placed on the linear transmission line so that the material pile of the storage and transportation device is transmitted forwards. The linear transmission line is provided with an upper height limit detection sensor and a lower height limit detection sensor which are used for sensing the height of the material loading pile of the linear transmission line, namely the height change caused by the placement of the material pile of the storage device. In the invention, when the heights detected by the upper limit detection sensor and the lower limit detection sensor do not accord with the preset value, the alarm device gives out sound and light alarm to prompt an operator to supplement materials and take down the ultrahigh storage and transportation device. The material stacks of the storage and transportation device with qualified height are transported to the servo lifting unit by the transmission line, and the transmission line stops transmission after the line end in-place detection unit detects the material stacks. The servo lifting unit lifts the material pile of the storage and transportation device, and the material pile of the storage and transportation device leaves the upper surface of the transmission line. At this point, the transfer line can continue with the manual loading operation. The servo lifting unit lifts the material pile of the storage and transportation device to a fixed height position, and the robot takes a preparation position of the storage and transportation device.
Fig. 2 shows a schematic structural view of a robotic suction loading basket module according to the present invention.
As shown in fig. 2, the robot suction basket module may include a robot body 31, a storage and transportation device suction unit 32, and a vacuum line control unit.
In the working process of the suction charging basket, the robot body drives the storage and transportation device suction unit to suck the uppermost storage and transportation device from the servo lifting unit of the storage and transportation device. And vertically placing the single-chip storage and transportation device into a placing groove of the material basket through the displacement action. The vacuum pipeline control unit is used for providing a vacuum environment or destroying the vacuum environment between the storage and transportation device suction unit and the storage and transportation device, so that the storage and transportation device is taken and placed by the storage and transportation device suction unit.
When the robot takes one storage and transportation device away, the servo lifting unit rises by the thickness of one storage and transportation device, so that the robot takes the storage and transportation device at the same height every time, and the action tempo is improved.
When the storage and transportation device is emptied, the storage and transportation device servo lifting unit restores the original position so as to lift a new storage and transportation device on the transmission line to the preparation position.
The ultrasonic cleaning module according to the present invention may include an ultrasonic cleaning tank, a basket transfer unit, and a water supply and drainage system.
The material basket transferring unit is used for lifting and transferring the material basket filled with the storage and transportation device into the ultrasonic cleaning tanks, so that the storage and transportation device and the material basket are sequentially subjected to ultrasonic cleaning in the first to fourth ultrasonic cleaning tanks. After ultrasonic cleaning, the material basket transferring unit transfers the material basket from the fourth ultrasonic cleaning tank to the transition cache station before purging. Wherein, water supply and drainage system is used for supplying clean water and discharging waste water for the ultrasonic cleaning tank.
In the intelligent cleaning and detecting production line, the ultrasonic cleaning module is one of the most important modules, and in order to improve the cleaning efficiency, the ultrasonic cleaning tank is optimally designed.
The cleaning tank of the present invention may include a plurality of ultrasonic wave generating assemblies and a water tank. The ultrasonic wave generating assembly can comprise a pair of ultrasonic generators with different frequencies (for example, 50KHz +70KHz), and compared with the ultrasonic generator with single frequency in the prior art, the ultrasonic wave generating assembly can effectively destroy stable oscillation under the single frequency, accelerate collapse of bubbles, and obtain larger bubble diameter and internal pressure under the same ultrasonic power, thereby obviously improving the ultrasonic cavitation effect and improving the ultrasonic cleaning effect. Specifically, at a single frequency, with the increase of the frequency, the size of the bubbles generated by the ultrasonic generator is reduced, and the internal pressure is also reduced, for example, at 50KHz, the maximum bubble diameter can reach 18 micrometers, the internal pressure is 730MPa, and at 70KHz, the maximum bubble diameter becomes 15 micrometers, and the internal pressure is 340MPa, but by adopting the ultrasonic generator assembly of the present invention, the maximum bubble diameter of 36 micrometers and the internal pressure of 2000MPa can be obtained by adopting the combination of 50KHz and 70KHz, and thus it can be seen that the ultrasonic cavitation effect can be significantly improved, thereby greatly improving the ultrasonic cleaning effect, which is not necessary for cleaning the lithium battery storage and transportation device.
Therefore, by arranging a plurality of ultrasonic wave generating assemblies around the basket placement area of the storage and transportation device, sufficient cavitation can be provided for the basket and the storage and transportation device therein.
Similarly, because the storage and transportation devices in the material basket are more in number and the impurity adhesion strength of the storage and transportation devices is higher, in the invention, in order to improve the ultrasonic cleaning effect, the ultrasonic generator is also improved so as to improve the energy transfer efficiency and the maximum amplitude output.
The ultrasonic generator 1 according to the present invention may include a piezoelectric ceramic stack 11, a horn 12, an ultrasonic emitter 13, and a secondary reinforcing member 14, as shown in fig. 3.
The piezoelectric ceramic stack 11 may be composed of a plurality of piezoelectric ceramic blocks and electrodes.
Unlike the prior art, the horn 12 includes a cylindrical section 121 and two conical sections, a first conical section 122 and a second conical section 123.
Specifically, the diameter of the cylindrical end 121 is the same as the maximum diameter of the first conical section 122. In the first conical section 121, the ratio of the maximum diameter to the minimum diameter is between 2.1 and 2.2, preferably 2.17, and the cone angle is between 80 and 81 degrees, preferably 80.6 degrees. In the second conical section 122, the maximum diameter is the same as the minimum diameter of the first conical section 121, and the ratio of the maximum diameter to the minimum diameter is between 1.95 and 2.05, preferably 2, and the cone angle is between 85 and 86 degrees, preferably 85.3 degrees.
The sum of the lengths of the piezo ceramic stack 11 and the horn 12 in the longitudinal direction is three-quarters of a wavelength.
In the present invention, as part of the ultrasonic generator, an auxiliary reinforcing component 14 is provided, which not only provides a fixing function for the ultrasonic generator so as to be able to fix and install it, but also can generate a cooperation effect with the ultrasonic generator body, further improving the maximum amplitude output of the ultrasonic generator and improving the ultrasonic energy transfer efficiency.
As shown in fig. 3, the auxiliary reinforcing member 14 may include two mounting seats and four hinge connectors. The mount is provided with a central mounting hole on its surface in the ultrasonic wave emitting direction for allowing the auxiliary reinforcement member 14 to be fixedly mounted; and connecting two hinged connections on one side.
The articulated connection is adapted to contact the cylindrical section 121 of the horn 12, for example, with a first end of the articulated connection being connected to the mounting block and a second end of the articulated connection being connected to the cylindrical section 121, so that the horn 12 can be brought into tight contact with the auxiliary stiffening assembly 14 by the clamping action of the four articulated connections on the two mounting blocks, thereby allowing the ultrasonic generator to be brought into fixed mounting relation with the outside through the mounting blocks.
The second end of the hinge connection is formed with a circular arc shaped surface which is adapted in shape to the surface of the cylindrical deformation web 14. Semicircular grooves are respectively formed on two surfaces of the hinge connecting piece along the ultrasonic wave emitting direction, wherein the vertical distance between the central axis of the groove and the first end surface of the hinge connecting piece is set to 1/2 which is the vertical distance between the central axis of the groove and the center of the central mounting hole of the mounting seat. Two hinged connectors on the same mounting seat are arranged to coincide with the central axis of the groove on the same side surface.
Simulation and test results show that under the structural parameters of the amplitude transformer 12 and the auxiliary reinforcing component 14 designed by the invention, the maximum amplitude output and energy transfer efficiency of the ultrasonic transducer can be remarkably increased by arranging the connecting position of the hinged connecting piece of the auxiliary reinforcing component 14 and the cylindrical section 121 of the amplitude transformer on a longitudinal vibration node, so that the efficiency of the ultrasonic transducer is improved, and the method is very important for industrial application scenes.
In the present invention, an ultrasonic emitter 13 is also attached to the distal end (i.e., the smallest diameter) of the horn 12, which is intended to come into contact with the aqueous medium in the water tank. According to the present invention, the length of the ultrasonic emitter 13 in the ultrasonic wave emitting direction is one-half of the wavelength, whereby the acoustic impedance with water can be effectively reduced, and the ultrasonic coupling efficiency can be improved.
Furthermore, a grid-shaped support frame is arranged in the water tank and used for supporting the material basket so as to enable the bottom of the material basket to be at a certain distance from the bottom of the water tank, therefore, when the material basket and the storage and transportation device which are arranged in the water tank are cleaned by ultrasonic waves, impurities on the storage and transportation device and the material basket are separated by means of the cavitation effect, the impurities can be deposited to the bottom of the water tank through the grid-shaped support frame and are far away from the material basket and the storage and transportation device, and the influence on the cleaning effect of the material basket and the storage and transportation device due to the fact that the impurities are accumulated near the material.
The air sweeping module according to the invention can comprise a sweeping unit, a blocking and lifting positioning unit, an air supply unit and a water receiving tank.
When the transmission line transmits the ultrasonically cleaned material basket to the purging unit from the transition buffer station before purging, the material basket is lifted up and placed to the working position of the purging unit under the action of the blocking and lifting positioning unit. The blowing unit blows the material basket and the storage and transportation device according to a fixed motion track under the driving of the servo mechanism, and blows off water on the material basket and the storage and transportation device. The falling water can fall into the water receiving tank and is discharged through the drain pipe. The main function of the purging unit is to remove most of the water carried by the material basket transferred from the ultrasonic cleaning tank. The air supply unit is matched with the blowing unit to supply air and cut off the air.
The material basket transferring module comprises a transferring servo unit. The swept material basket is conveyed to a belt line of the material basket transfer module by a conveying line. And after the material basket is in place, the belt line is stopped. The servo transfer unit conveys the belt line and the material basket to the butt joint port of the tunnel drying module. And the belt line is reversed, and the material basket is fed into the tunnel drying module. The servo transfer unit returns to the butt joint position of the blowing unit, and the material basket is transferred from the blowing unit to the tunnel drying module through cyclic action.
The tunnel drying module may include an outer cover, a heating unit, a hot air circulation system, and a PID control system.
The material basket conveyed by the material basket transfer module enters a transmission line of the tunnel drying module, circulating hot air is arranged in the tunnel to heat the material basket and the storage and transportation device, and tiny water drops on the material basket and the storage and transportation device are evaporated due to the rise of temperature and are discharged along with a hot air circulating system. The heating temperature range is controlled by a PID system to ensure the drying effect and reduce the energy consumption.
The robot suction discharge basket module may include a robot body, a storage and transportation device suction unit, and a vacuum line control unit.
The unloading buffer module of the storage and transportation device can comprise a linear transmission line, a line end in-place detection unit and a servo falling unit.
The robot body takes out the storage and transportation device in the material basket by means of the storage and transportation device suction unit and places the storage and transportation device on the servo falling unit. When the robot is placed with one storage and transportation device, the servo falling unit descends by the thickness of one storage and transportation device, so that the robot can place the storage and transportation devices at the same height every time, and the action tempo is improved.
When the material pile of the storage and transportation device in the servo falling unit reaches the preset height, the material pile of the storage and transportation device is placed on the transmission line by the servo falling mechanism, the material pile of the storage and transportation device is transmitted to the end of the line body by the transmission line, and the storage and transportation device is taken away manually by the acousto-optic prompt after the material pile is in place.
In the invention, a visual inspection unit is also arranged in the robot sucking material loading and discharging basket module and is used for detecting the cleanliness of the material loading and discharging basket when the material loading and discharging device is taken out of the material basket. When the visual detection unit judges that the cleanliness of the storage and transportation device does not meet the requirement, the storage and transportation device can be moved to other areas by means of the robot body.
The visual inspection unit may include an image acquisition unit 2 for acquiring an image of the surface of the storage and transportation device and an image analysis unit for analyzing the cleanliness based on the surface image.
The image acquisition unit 2 may include a base 21, a light source 23, and an imaging assembly 24.
As shown in fig. 4, the base 21 is generally cross-shaped and includes a cylindrical portion 211 having a radius R1 and a height H1, and an annular portion 212 having inner and outer diameters R1 and R2(R2> R1), respectively, and a height H2(H2< H1).
The light source 23 includes a field emission light emitting device of a ring shape provided on the lower surface of the ring portion 212.
A field emission light emitting device may generally include an anode, a cathode, a gate, and a glass spacer. The invention improves the preparation and the specific layout of the anode, the cathode and the grid so as to realize a light source with high luminous efficiency and luminous uniformity.
According to the invention, a transparent electrode pattern is first etched on the first ITO glass plate.
A part of the transparent electrode on the first ITO glass plate is used as a gate electrode; the other part is coated with CNT (carbon nanotube) slurry (and dried) by, for example, printing to form a cathode. Wherein, the CNT paste can be prepared by fully mixing CNT with the diameter of 10-20nm and a first solution in a weight ratio of 4:1, and the first solution is prepared by fully mixing ethyl acetate and terpineol in a weight ratio of 3: 1.
The first ITO glass plate on which the gate and the cathode are formed is finally subjected to a sintering process at a temperature of 400-450 degrees celsius in a nitrogen environment. As an example, the sintering treatment time is 1 to 0.7 hour.
The second ITO glass plate is also coated with phosphor paste, for example, by printing, and is subjected to sintering treatment at a temperature of 400-. The fluorescent powder slurry is prepared by mixing ethyl cellulose, terpineol and fluorescent powder in a weight ratio of 1:1: 3.
A first ITO glass plate having a cathode and a gate electrode is spaced apart from a second ITO glass plate having an anode electrode by a predetermined distance by a transparent spacer, and a sealed space is formed. Wherein the sealed space is evacuated.
The field emission light emitting device can provide a luminance of more than 20000cd/m2, a luminous uniformity of 86% and a luminous efficiency of 14.69 lm/w.
The imaging assembly 24 comprises a fisheye lens assembly 241 and a CCD device which are arranged on the cylindrical part, wherein the fisheye lens assembly can be used for better realizing one-time imaging of the surface of the storage and transportation device with a certain depth.
In conventional fisheye lens assemblies, the outermost meniscus lens is typically required to have a larger diameter for a larger field of view. However, the size of the storage and transportation device may impose a limitation on the size of the image acquisition unit, which may limit the radial size of the fisheye lens assembly, thereby limiting the field of view of the image acquisition unit during imaging.
Therefore, the optical structure of the conventional fish-eye lens assembly is optimized, and an optical lens with a compound curved surface is added on the basis of the original optical structure to provide an extra field of view, so that a larger field of view can be realized on the basis of not increasing the diameter of the outermost meniscus lens.
As shown in fig. 5, the fish-eye lens assembly of the present invention includes, in order from an object side to an image side, a negative meniscus lens 2411 with a convex surface facing forward, a positive meniscus lens 2412 with a concave surface facing forward, a compound curved lens 2413, a positive meniscus lens 2414 with a convex surface facing forward, a double concave lens 2415, a convex double convex lens 2416 with a convex surface facing forward and having a large absolute value of curvature, a negative meniscus lens 2417 with a concave surface facing forward, a plano-convex lens 2418 with a convex surface facing backward, and a convex double convex lens 2419 with a convex surface facing forward and having a small absolute value of curvature, wherein a stop is disposed between the compound curved lens 2413 and the positive meniscus lens 2414, and the double concave lens 2415 and the double convex lens 241.
The compound curved lens 2413 has an anterior surface and a posterior surface, wherein the anterior surface forms a first refractive region, a first reflective region, and a second refractive region in this order from the optical axis to the edge, and the posterior surface forms a second refractive region and a third reflective region in this order from the optical axis to the edge.
In this fish-eye lens assembly 241, a first field of view from 0- α is provided by 9 lenses, e.g., 2411-2419, and a second field of view from α - β is provided by 7 lenses, e.g., 2413-2419, whereby a larger field of view of 0- β can be obtained at the diameter of the meniscus lens 2411 for achieving a smaller first field of view. For example, a field of view of 0-80 degrees may be obtained.
Since those skilled in the art can easily obtain appropriate specific lens parameters according to the performance requirements such as the required FOV size of the field of view based on the above description of the optical structure of the fish-eye lens assembly 24, the detailed description thereof will not be repeated herein.
In the present invention, one of the purposes of designing the main body in a substantially cross shape and disposing the fish-eye lens assembly on a higher plane than the light source is to utilize the large field of view of the fish-eye lens assembly to the maximum, while preventing the light emitted from the light source from directly entering the fish-eye lens assembly to cause ghost images.
The intelligent cleaning and detecting production line for the storage and transportation device can clean the storage and transportation device in a full-automatic, efficient and energy-saving mode and solve the defects in the prior art, wherein particularly through the design of an improved ultrasonic cleaning tank, the cleaning of the lithium battery storage and transportation device with complex impurity adhesion conditions can be realized efficiently by using an ultrasonic cleaning technology, and through the arrangement of a unique visual detection unit, the complete imaging of the inner surface of the storage and transportation device with a certain depth and a relatively complex bottom shape can be completed at one time, so that the cleanliness of the cleaned storage and transportation device is accurately checked, the storage and transportation device with excessive impurities is prevented from being reused, and the quality of lithium battery production is effectively guaranteed.
In the foregoing specification, the principles of the invention have been described with reference to specific exemplary embodiments thereof. It will be apparent to those skilled in the art that various modifications or changes may be made to the present invention without departing from the spirit and scope of the invention as defined in the appended claims. The specification and drawings are, accordingly, to be regarded in an illustrative rather than a restrictive sense.
Claims (10)
1. The utility model provides a digital electric core storage and transportation device of lamination intelligence washs and detects production line which characterized in that includes: storage and transportation device material loading buffer memory module, robot absorb ejection of compact basket module, ultrasonic cleaning module, wind sweep the module, the material basket moves and carries module, tunnel stoving module, robot absorb dress ejection of compact basket module and storage device unloading buffer memory module, wherein:
the storage device feeding cache module is used for conveying and lifting a storage device material stack with a preset height to a preparation position;
the robot suction charging basket module is used for placing the storage device in the storage device material stack in a vertical mode in the material basket from the preparation position in a vacuum suction mode;
the ultrasonic cleaning module is used for cleaning the material basket and the storage device by means of ultrasonic waves;
the air sweeping module is used for sweeping water on the cleaned material basket and the storage device;
the material basket transferring module is used for transferring the purged material basket and the storage device to the tunnel drying module;
the tunnel drying module is used for drying the material basket and the storage device by utilizing hot air circulation;
the robot suction and discharge basket module is used for taking the storage device out of the material basket in a vacuum adsorption mode, carrying out visual detection on the surface cleanliness of the storage device and placing the storage device in the storage device blanking cache module; and the number of the first and second groups,
the storage device blanking cache module is used for transmitting the storage device to a position to be blanked.
2. The intelligent cleaning and detection production line of the laminated digital cell storage and transportation device according to claim 1, wherein the storage and transportation device loading cache module comprises a linear transmission line, a line end in-place detection unit and a servo lifting unit, wherein:
the linear transmission line is provided with an upper height limit detection sensor and a lower height limit detection sensor which are used for sensing the height of the material stack of the storage device on the linear transmission line;
the line end in-place detection unit is used for detecting whether the storage device material stack reaches a preset position;
the servo lift unit is arranged for lifting the storage device pack to the ready position.
3. The intelligent cleaning and detection production line of the laminated digital cell storage and transportation device of claim 2, wherein the robot suction charging basket module comprises a robot body, a storage device suction unit and a vacuum pipeline control unit, wherein:
the storage device sucking unit is used for sucking the storage device from the storage device material stack and putting down the storage device;
the robot body is configured to place the storage device sucked by the storage device sucking unit in a vertical manner in the basket;
the vacuum line control unit is configured to create or break a vacuum environment between the storage device suction unit and the storage device.
4. The intelligent cleaning and detection production line for the laminated digital battery cell storage and transportation device according to claim 3, wherein the ultrasonic cleaning module comprises an ultrasonic cleaning tank and a material basket transfer unit, wherein:
the material basket transferring unit is used for lifting and transferring the material basket and the storage device into the ultrasonic cleaning tank;
the ultrasonic cleaning tank comprises a plurality of ultrasonic generating assemblies and a water tank, wherein the ultrasonic generating assemblies comprise two ultrasonic generators with different frequencies, and a grid-shaped supporting frame is arranged in the water tank and used for supporting the material basket so that the bottom of the material basket is away from the bottom of the water tank by a certain distance.
5. The intelligent cleaning and detection production line of the laminated digital battery cell storage and transportation device according to claim 4, wherein the frequencies of the two ultrasonic generators of the ultrasonic generation assembly are 50KHz and 70KHz, respectively;
the ultrasonic generator comprises a piezoelectric ceramic stack block, an amplitude transformer and an auxiliary reinforcing component, wherein:
the piezoelectric ceramic stack block comprises a plurality of piezoelectric ceramic blocks and electrodes;
the amplitude transformer comprises a cylindrical section, a first conical section and a second conical section; the diameter of the cylindrical section is the same as the maximum diameter of the first conical section, and the maximum diameter of the second conical section is the same as the minimum diameter of the first conical section; in the first conical section, the ratio of the maximum diameter to the minimum diameter is 2.1-2.2, and the conical angle is 80-81 degrees; in the second conical section, the ratio of the maximum diameter to the minimum diameter is 1.95-2.05, and the conical angle is 85-86 degrees;
the sum of the lengths of the piezoelectric ceramic stacking block and the amplitude transformer in the ultrasonic wave transmitting direction is three-quarter wavelength;
the auxiliary reinforcing component comprises two mounting seats and four hinged connecting pieces, wherein a central mounting hole is formed in the surface of each mounting seat along the ultrasonic wave emission direction, and two hinged connecting pieces are connected to one side surface of each mounting seat; the first end and the second end of the hinged connecting piece are respectively connected with the mounting seat and the cylindrical section of the amplitude transformer; the second end of the hinged connecting piece is provided with an arc surface, and the shape of the arc surface is matched with the surface of the cylindrical section of the amplitude transformer; semicircular grooves are formed in two surfaces of the hinged connecting piece along the ultrasonic wave emission direction respectively, and the vertical distance between the central axis of each groove and the first end of the hinged connecting piece is half of the vertical distance between the central axis of each groove and the central axis of the central mounting hole of the mounting seat; two hinged connectors on the same mounting seat are arranged so that the central axes of the grooves on the same side are overlapped; and the connecting position of the hinged connecting piece of the auxiliary reinforcing component and the cylindrical section of the amplitude transformer is arranged at a longitudinal vibration node.
6. The intelligent cleaning and detection production line for the laminated digital cell storage and transportation device according to claim 5, wherein the second conical section of the amplitude transformer is further connected with an ultrasonic emitter, and the length of the ultrasonic emitter in the ultrasonic emission direction is one half of the wavelength;
in the first conical section, the ratio of the maximum diameter to the minimum diameter is 2.17, and the cone angle is 80.6 degrees; in the second conical section, the ratio of the maximum diameter to the minimum diameter is 12, and the conical angle is 85.3 degrees.
7. The intelligent cleaning and detecting production line of the laminated digital cell storage and transportation device of claim 6, characterized in that:
the air sweeping module comprises a sweeping unit, a blocking and lifting positioning unit, an air supply unit and a water receiving tank;
the tunnel drying module comprises an outer cover body, a heating unit, a hot air circulation system and a PID control system;
the robot sucking and discharging basket module comprises a robot body, a storage device sucking unit and a vacuum pipeline control unit;
the storage device blanking cache module comprises a linear transmission line, a line end in-place detection unit and a servo falling unit.
8. The intelligent cleaning and inspection production line for laminated digital cell storage and transportation devices as recited in claim 7, wherein the robotic uptake and discharge basket module further comprises a vision inspection unit comprising an image acquisition unit for acquiring a surface image of the storage device and an image analysis unit for analyzing cleanliness based on the surface image.
9. The intelligent cleaning and detection production line for laminated digital cell storage and transportation devices according to claim 8, wherein the image acquisition unit comprises a base, a light source and an imaging assembly, wherein:
the light source comprises a field emission light-emitting device arranged on the base, the field emission light-emitting device is provided with an anode, a cathode and a grid electrode, the anode comprises a second ITO glass plate coated with a fluorescent layer, the grid electrode comprises one part of a transparent electrode formed on the first ITO glass plate in an etching mode, the cathode comprises the other part of the transparent electrode formed on the first ITO glass plate in the etching mode, the nanotube layer is formed on the transparent electrode, and the first ITO glass plate and the second ITO glass plate are separated through a transparent spacer to provide a vacuum sealing space;
the imaging assembly comprises a fisheye lens assembly and a CCD device which are arranged on the base, wherein the fisheye lens assembly sequentially comprises a negative meniscus lens with a forward convex surface, a positive meniscus lens with a forward concave surface, a compound curved lens, a positive meniscus lens with a forward convex surface, a biconcave lens, a biconvex lens with a forward convex surface and a large absolute curvature value, a negative meniscus lens with a forward concave surface, a plano-convex lens with a backward convex surface and a biconvex lens with a forward convex surface and a small absolute curvature value from the object side to the image side, a diaphragm is arranged between the compound curved lens and the positive meniscus lens with the forward convex surface, and the biconcave lens and the biconvex lens with the forward convex surface and the large absolute curvature value are glued together; the compound curved lens is provided with a front side surface and a rear side surface, wherein the front side surface sequentially forms a first refraction area, a first reflection area and a second refraction area from an optical axis to an edge, and the rear side surface sequentially forms a second refraction area and a third reflection area from the optical axis to the edge.
10. The intelligent cleaning and inspection line for laminated digital cell storage and transportation devices of claim 9, wherein the base is generally cross-shaped and includes a cylindrical portion having a radius R1 and a height H1, and an annular portion having inner and outer diameters R1 and R2, respectively, and a height H2, H2< H1:
and, the light source is disposed on a lower surface of the annular portion, and the imaging assembly is disposed on a lower surface of the cylindrical portion.
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