CN113798281A - Centralized cleaning machine - Google Patents
Centralized cleaning machine Download PDFInfo
- Publication number
- CN113798281A CN113798281A CN202010554328.3A CN202010554328A CN113798281A CN 113798281 A CN113798281 A CN 113798281A CN 202010554328 A CN202010554328 A CN 202010554328A CN 113798281 A CN113798281 A CN 113798281A
- Authority
- CN
- China
- Prior art keywords
- cleaning
- liquid
- rough
- fine
- tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 267
- 239000007788 liquid Substances 0.000 claims abstract description 127
- 238000005520 cutting process Methods 0.000 claims abstract description 68
- 238000005406 washing Methods 0.000 claims abstract description 63
- 238000004506 ultrasonic cleaning Methods 0.000 claims abstract description 42
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000005507 spraying Methods 0.000 claims description 48
- 238000001914 filtration Methods 0.000 claims description 29
- 238000011084 recovery Methods 0.000 claims description 17
- 239000003595 mist Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 11
- 238000000889 atomisation Methods 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 239000002699 waste material Substances 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 6
- 238000000746 purification Methods 0.000 description 11
- 238000000861 blow drying Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003449 preventive effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0278—Arrangement or mounting of spray heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
- B05B9/0416—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material with pumps comprising rotating pumping parts, e.g. gear pump, centrifugal pump, screw-type pump
-
- 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
-
- 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
- B08B3/123—Cleaning travelling work, e.g. webs, articles on a conveyor
-
- 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
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses a centralized cleaning machine which comprises a machine body, a control device, a conveying device, a rough cleaning device, an ultrasonic cleaning device, a fine cleaning device, a cleaning liquid wind cutting device, an atomized oiling device and an antirust oil wind cutting device which are sequentially arranged in the machine body. Through the rough washing device of control system control conveyor cooperation, ultrasonic cleaning device, the device is washed to the essence, the device is cut to washing liquid wind, atomizing oiling station and rust-resistant oil wind are cut the device and are carried out full self-cleaning to the pipe cylinder liner, can realize the washing of pipe cylinder liner, weather, the fat liquoring, wind full self-cleaning's such as cut function, need not artificial intervention, effectively avoided produced inefficiency of manual operation, occupy the big scheduling problem in place, greatly improve cleaning efficiency and quality, the cost of labor has been reduced simultaneously.
Description
Technical Field
The invention relates to the technical field of automatic cleaning, in particular to a centralized cleaning machine.
Background
The cleaning machine of the pipe cylinder liner that adopts at present can only carry out the washing of small batch, and the intermediate process needs artifical the participation, leads to cleaning efficiency lower, and the shared place of cleaning machine and manual work cooperation is very big, and the production line is arranged the overlength, leads to the place cost great.
Therefore, how to solve the problems of low cleaning efficiency and large occupied space of the existing cleaning machine is a problem to be urgently solved by the technical personnel in the field at present.
Disclosure of Invention
In view of the above, the invention aims to provide a centralized cleaning machine, which can realize automatic conveying, cleaning, blow-drying, oil coating, oil cutting and the like of a circular tube cylinder sleeve, is fully automatic, performs centralized cleaning on workpieces, improves efficiency, and solves the problems of overlong arrangement and large occupied space caused by manual cooperation cleaning.
In order to achieve the above purpose, the invention provides the following technical scheme:
a centralized cleaning machine comprises a machine body, a control device, a conveying device, a rough cleaning device, an ultrasonic cleaning device, a fine cleaning device, a cleaning liquid wind cutting device, an atomized oiling device and an antirust oil cutting device, wherein the conveying device, the rough cleaning device, the ultrasonic cleaning device, the fine cleaning device, the cleaning liquid wind cutting device, the atomized oiling device and the antirust oil cutting device are sequentially arranged in the machine body;
the device comprises a rough cleaning device, an ultrasonic cleaning device, a fine cleaning device, a cleaning solution cutting device, an atomizing oiling device, an antirust oil cutting device and an antirust oil cutting device, wherein the rough cleaning device is used for carrying out rough cleaning on a workpiece by spraying, the ultrasonic cleaning device is used for carrying out ultrasonic cleaning on the workpiece after the rough cleaning by spraying, the cleaning solution cutting device is used for carrying out wind cutting on the workpiece after the fine cleaning by spraying to remove residual cleaning solution, the atomizing oiling device is used for spraying antirust oil on the cut workpiece, and the antirust oil cutting device is used for cutting the workpiece after the antirust oil is sprayed to remove residual antirust oil;
the conveying device is used for conveying workpieces to the rough washing device, the ultrasonic cleaning device, the fine washing device, the cleaning liquid air cutting device, the atomization oiling device and the antirust oil cutting device in sequence, and the control device is connected with the rough washing device, the ultrasonic cleaning device, the fine washing device, the cleaning liquid air cutting device, the atomization oiling device and the antirust oil cutting device respectively.
Preferably, the machine body is a fully-closed machine body, and the machine body is provided with access doors at stations corresponding to the rough washing device, the ultrasonic cleaning device, the fine washing device, the cleaning liquid wind cutting device, the atomized oiling device and the anti-rust oil cutting device.
Preferably, the access door corresponding to the rough washing device is provided with a rough washing interlocking switch, and when the access door corresponding to the rough washing device is opened, the interlocking switch is switched off and the rough washing device stops spraying;
a fine washing interlocking switch is arranged on the access door corresponding to the fine washing device, and when the access door corresponding to the fine washing device is opened, the fine washing interlocking switch is switched off and the fine washing device stops spraying;
the atomizing oiling device corresponds be equipped with atomizing oiling chain switch on the access door, work as atomizing oiling device corresponds the back is opened to the access door, atomizing oiling chain switch disconnection just atomizing oiling device stops atomizing oiling.
Preferably, the rough cleaning device and the fine cleaning device respectively comprise a cleaning chamber, a spraying system for spraying cleaning liquid to the workpiece in the cleaning chamber, and a recovery filtering system for recovering and filtering waste liquid in the cleaning chamber; and the spraying pressure of the fine cleaning device is greater than that of the rough cleaning device, the precision of the cleaning liquid used by the fine cleaning device is greater than that of the cleaning liquid used by the rough cleaning device, and the filtering precision of the fine cleaning device is greater than that of the rough cleaning device.
Preferably, the recycling and filtering system comprises a recycling liquid tank, a first delivery pump, a self-cleaning magnetic filter tank, a second delivery pump, a self-cleaning filter tank and a liquid purifying tank which are sequentially connected, the recycling liquid tank is communicated with the cleaning chamber to recycle the cleaning liquid, and the liquid purifying tank is connected with the spraying system to convey the filtered cleaning liquid to the spraying system again.
The first delivery pump is respectively connected with the recovery liquid tank and the self-cleaning magnetic filter tank and used for pumping the cleaning liquid in the recovery liquid tank into the self-cleaning magnetic filter tank for filtering, and the second delivery pump is respectively connected with the self-cleaning magnetic filter tank and used for pumping the cleaning liquid in the self-cleaning magnetic filter tank into the self-cleaning filter tank for filtering.
Preferably, the liquid purification tank is connected to a supply pipeline for conveying cleaning liquid to the liquid purification tank through a control valve, a liquid level detector for detecting a liquid level is arranged in the liquid purification tank, and when the liquid level in the liquid purification tank is lower than a preset height, the control valve is opened to automatically replenish liquid to the liquid purification tank.
Preferably, the conveying device comprises a plurality of stepping roller ways which are matched with each other to convey the workpiece, the stepping roller ways are in one-to-one correspondence with and are independently matched with the rough cleaning device, the ultrasonic cleaning device, the fine cleaning device, the cleaning liquid wind cutting device, the atomized oil coating device and the antirust oil cutting device, a proximity switch for detecting whether the workpiece is separated from is arranged at the blanking part of each stepping roller way, and when the proximity switch detects a signal, the stepping roller ways stop running.
Preferably, the ultrasonic cleaning device comprises a cleaning tank for storing cleaning liquid, ultrasonic transducers are arranged on the side and the bottom of the cleaning tank, each ultrasonic transducer is in control connection with one set of ultrasonic generator, and a lifting vibration mechanism for driving the workpiece to vibrate up and down is arranged in the cleaning tank.
Preferably, the cleaning liquid air cutting device and the anti-rust oil cutting device both comprise high-pressure fans.
Preferably, an oil mist treatment device for absorbing oil mist is further connected to the machine body, so that the oil mist generated in the cleaning or oiling process is sucked out of the machine body and treated.
According to the centralized cleaning machine provided by the invention, the conveying device is controlled by the control system to be matched with the rough cleaning device, the ultrasonic cleaning device, the fine cleaning device, the cleaning liquid wind cutting device, the atomized oiling device and the antirust oil cutting device to carry out full-automatic cleaning on the circular tube cylinder sleeve, so that the full-automatic cleaning functions of cleaning, blow-drying, oiling, cutting and the like of the circular tube cylinder sleeve can be realized, manual intervention is not needed, the problems of low efficiency, large occupied space and the like caused by manual operation are effectively avoided, the cleaning efficiency and quality are greatly improved, and the labor cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of an embodiment of a centralized cleaning machine provided by the present invention.
The device comprises a conveying device 1, a stepping roller way 11, a rough cleaning device 2, a spraying assembly 21, an ultrasonic cleaning device 3, a lifting vibration assembly 31, a cleaning tank 32, an ultrasonic transducer 33, a fine cleaning device 4, a cleaning liquid cutting device 5, an atomized oiling device 6, an oil mist processor 61, an antirust oil cutting device 7, a high-pressure fan 71 and a pneumatic door 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the invention is to provide a centralized cleaning machine, which can realize automatic conveying, cleaning, blow-drying, oil coating, oil cutting and the like of a circular tube cylinder sleeve, is fully automatic, intensively cleans workpieces, improves the efficiency, and solves the problems of overlong arrangement and large occupied space caused by manual cooperation cleaning.
Referring to fig. 1, fig. 1 is a schematic view of an embodiment of a centralized cleaning machine provided in the present invention.
The centralized cleaning machine provided by the invention comprises a machine body, a control device, a conveying device 1, a rough cleaning device 2, an ultrasonic cleaning device 3, a fine cleaning device 4, a cleaning liquid wind cutting device 5, an atomized oil coating device 6 and an antirust oil wind cutting device 7 which are sequentially arranged in the machine body.
The rough cleaning device 2 is used for performing rough cleaning on the workpiece in a spraying mode, the ultrasonic cleaning device 3 is used for performing ultrasonic cleaning on the workpiece after the rough cleaning in the spraying mode, the fine cleaning device 4 is used for performing fine cleaning in the spraying mode on the workpiece after the ultrasonic cleaning in the spraying mode, the cleaning liquid wind cutting device 5 is used for performing wind cutting on the workpiece after the fine cleaning in the spraying mode to remove residual cleaning liquid, the atomizing oiling device 6 is used for spraying antirust oil on the workpiece after the wind cutting, and the antirust oil wind cutting device 7 is used for performing wind cutting on the workpiece after the antirust oil is sprayed to remove residual antirust oil.
The conveying device 1 is used for conveying workpieces to the rough cleaning device 2, the ultrasonic cleaning device 3, the fine cleaning device 4, the cleaning liquid wind cutting device 5, the atomization oiling device 6 and the antirust oil wind cutting device 7 in sequence, and the control device is connected to the rough cleaning device 2, the ultrasonic cleaning device 3, the fine cleaning device 4, the cleaning liquid wind cutting device 5, the atomization oiling device 6 and the antirust oil wind cutting device 7 respectively.
Wherein, the organism is the place of wasing the pipe cylinder liner, and the organism can be box formula structure, and the frame of organism can adopt shaped steel welding to form, and is specific, and stand, crossbeam adopt 80X 40X 3.0mm shaped steel welding, and the inner wall is the corrosion resistant plate that 2.0mm is thick to can not rust in the assurance cleaning process, and the outer panel is the carbon steel board that 2.5mm is thick, on the basis of guaranteeing organism intensity, reduction material cost. Of course, other materials or ways of manufacturing the body may be selected as desired.
The rough cleaning device 2 and the fine cleaning device 4 are used for rough cleaning of workpieces and mainly cleaning the workpieces in a spraying mode through a high-pressure nozzle, and the ultrasonic cleaning device 3 cleans the workpieces through an ultrasonic technology, namely the invention ensures that the workpieces are cleaned cleanly and thoroughly through a spraying and flushing mode and an ultrasonic cleaning combined mode.
Conveying device 1's effect is according to washing flow transport work piece to each station, in order to cooperate each device to wash the work piece, the wind is cut, operations such as fat liquoring, it is specific, conveying device 1 carries the work piece to the washing station of rough cleaning device 2 earlier, so that rough cleaning device 2 washs the work piece, rough cleaning device 2 accomplishes the back to the work piece washing, conveying device 1 carries the work piece to ultrasonic cleaning device 3's washing station again, so that ultrasonic cleaning device 3 carries out ultrasonic cleaning to the work piece, ultrasonic cleaning device 3 is after accomplishing the work piece washing, conveying device 1 carries the work piece to carrying out the station, so that finish cleaning device 4 carries out the finish washing to the work piece, analogize in proper order.
The cleaning liquid wind cutting device 5 is used for drying the cleaning liquid remained on the workpiece after cleaning so as to facilitate a subsequent atomization device to spray antirust oil on the workpiece, and the atomization oiling device 6 is used for spraying the antirust oil on the cleaned workpiece in an atomization oiling mode so as to prevent the cleaned workpiece from rusting. After the atomized oiling device 6 finishes atomized oiling, the antirust oil wind cutting device 7 blows off redundant antirust oil on the workpiece so as to prevent oil drops from falling on the workpiece after atomized oiling.
According to the centralized cleaning machine provided by the invention, the conveying device 1 is controlled by the control system to be matched with the rough cleaning device 2, the ultrasonic cleaning device 3, the fine cleaning device 4, the cleaning liquid wind cutting device 5, the atomized oiling device 6 and the antirust oil wind cutting device 7 to carry out full-automatic cleaning on the circular tube cylinder sleeve, so that full-automatic cleaning functions of cleaning, blow-drying, oiling, wind cutting and the like of the circular tube cylinder sleeve can be realized, manual intervention is not needed, the problems of low efficiency, large occupied space and the like caused by manual operation are effectively avoided, the cleaning efficiency and quality are greatly improved, and the labor cost is reduced.
On the basis of the above embodiment, considering the specific arrangement mode of the machine body, as an optimal selection, the machine body is a fully-closed machine body, and the machine body is provided with access doors at the stations corresponding to the rough washing device 2, the ultrasonic cleaning device 3, the fine washing device 4, the cleaning liquid wind cutting device 5, the atomized oiling device 6 and the antirust oil wind cutting device 7.
In the embodiment, the cleaning device is set to be a totally-enclosed structure so as to prevent sprayed cleaning liquid or rust preventive oil from flying out to influence the outdoor environment in the cleaning process and improve the cleaning environment protection. In addition, in order to conveniently overhaul the devices at all stations, the stations corresponding to all the devices are also provided with access doors, so that the devices needing to be overhauled can be overhauled by opening the access doors.
On the basis of the above embodiment, as an optimization, the access door corresponding to the rough washing device 2 is provided with a rough washing interlock switch, and when the access door corresponding to the rough washing device 2 is opened, the interlock switch is turned off and the rough washing device 2 stops spraying; a fine washing interlocking switch is arranged on the access door corresponding to the fine washing device 4, and when the access door corresponding to the fine washing device 4 is opened, the fine washing interlocking switch is turned off and the fine washing device 4 stops spraying; be equipped with the atomizing fat liquoring chain switch on the access door that atomizing oiling station 6 corresponds, after the access door that atomizing oiling station 6 corresponds was opened, the atomizing fat liquoring chain switch disconnection and atomizing oiling station 6 stopped the atomizing fat liquoring.
That is, in this embodiment, the access door is provided with the interlock switch corresponding to spraying or oiling, so that after the access door is opened in a working state, the cleaning liquid or the rust preventive oil is not sprayed out from the access door.
On the basis of the above-described embodiment, in view of the specific arrangement of the rough cleaning apparatus 2 and the fine cleaning apparatus 4, it is preferable that each of the rough cleaning apparatus 2 and the fine cleaning apparatus 4 includes a cleaning chamber, a spray unit 21 for spraying a cleaning liquid to a workpiece in the cleaning chamber, and a recovery filter system for recovering and filtering a waste liquid in the cleaning chamber; and the spraying pressure of the fine washing device 4 is greater than that of the rough washing device 2, the precision of the cleaning liquid used by the fine washing device 4 is greater than that of the cleaning liquid used by the rough washing device 2, and the filtering precision of the fine washing device 4 is greater than that of the rough washing device 2.
In this embodiment promptly, rough cleaning device 2 and fine cleaning device 4 all include the fine purifiation room, spray assembly 21 and retrieve filtration system, and the work piece is carried to the interior back of fine purifiation by conveyer, and spray assembly 21 sprays the washing liquid to the work piece to wash the work piece, retrieve filtration system and be used for retrieving, filtering to the waste liquid that flows to in the cleaning chamber after wasing the work piece, so that used repeatedly.
Specifically, the spray assembly 21 comprises a liquid delivery pipeline, a cleaning pump and nozzles, and the nozzles can be annularly distributed in a cleaning chamber so as to spray cleaning liquid to the inner surface and the outer surface of the workpiece from different angles, thereby ensuring that the inner surface and the outer surface of the workpiece can be cleaned in all directions. Considering the concrete mode of washing pipe cylinder liner internal surface, as an optimization, conveyor 1 can drive the relative sprinkler removal of pipe cylinder liner along the axial to the inner chamber of pipe cylinder liner is inserted to the last nozzle of sprinkler, and the nozzle that inserts pipe cylinder liner inner chamber can adopt rotatable dabber rotatory nozzle, with the internal surface of omnidirectional washing pipe axle sleeve.
The rough washing device 2 is different from the fine washing device 4 in that the spraying pressure of the fine washing device 4 is greater than that of the rough washing device 2, specifically, the spraying pressure of the spraying assembly 21 of the cleaning device is 0.6-0.7MPa, and the spraying pressure of the spraying assembly 21 of the rough washing device 2 is 0.4-0.5 MPa; the precision of the cleaning liquid used by the fine cleaning device 4 is greater than that of the cleaning liquid used by the rough cleaning device 2, specifically, the precision of the cleaning liquid used by the fine cleaning device 4 is 10um, and the precision of the cleaning liquid used by the rough cleaning device 2 is 20 um; similarly, the filter fineness of the fine washing device 4 is greater than the filter fineness of the rough washing device 2, the filter fineness of the fine washing device 4 is 10um, and the filter fineness of the rough washing device 2 is 20 um.
In addition to the above embodiments, in consideration of the specific arrangement of the recovery filtering device, as a preferable mode, the recovery filtering system includes a recovery tank, a first delivery pump, a self-cleaning magnetic filter tank, a second delivery pump, a self-cleaning filter tank, and a clean tank, which are connected in sequence, the recovery tank communicates with the cleaning chamber to recover the cleaning liquid, and the clean tank is connected to the spray assembly 21 to deliver the filtered cleaning liquid to the spray assembly 21 again.
The first delivery pump is respectively connected with the recovery liquid tank and the self-cleaning magnetic filter tank and is used for pumping the cleaning liquid in the recovery liquid tank into the self-cleaning magnetic filter tank for filtering, and the second delivery pump is respectively connected with the self-cleaning magnetic filter tank and is used for pumping the cleaning liquid in the self-cleaning magnetic filter tank into the self-cleaning magnetic filter tank for filtering.
Wherein, the recovery liquid case is used for retrieving the waste liquid of following the flow in the cleaning chamber, and self-cleaning magnetism filters the jar and is used for filtering the waste liquid, and the self-cleaning magnetism filters the in-process of jar filtration waste liquid and does not have the consumptive material for iron fillings impurity in the absorption liquid realizes automatic chip removal. The self-cleaning filtering tank is a reverse cleaning filtering device, a filter element ensures filtering precision, filtered liquid flows into a corresponding liquid purifying tank, the liquid purifying tank is connected with the spraying component 21, and the filtered clean cleaning liquid can be reused by the spraying component 21, so that cyclic utilization is realized.
In the cleaning process of the circular tube cylinder sleeve, cleaning oil is adopted to clean the workpiece, so that the cleaning liquid entering the liquid purifying box after filtering can be subjected to dewatering and cooling by the refrigerator to ensure the purity of oil products, and then the cleaning liquid is supplied to the corresponding spraying assemblies 21 at constant pressure respectively to ensure the cleaning effect.
Considering the specific arrangement of the atomizing and oiling device 6, the atomizing and oiling device 6 preferably includes a gear pump, a nozzle, and a pipeline. The gear pump pumps the anti-rust oil to the nozzle through the pipeline, and the anti-rust oil is atomized and sprayed out from the nozzle, and the spray nozzles can be arranged up and down, and the anti-rust oil is sprayed out from different angles, so that the workpiece can be sprayed in all directions, and the spraying coverage area reaches 100%. The nozzle adopts the stainless steel high pressure nozzle of detachable, conveniently changes and clears up. The spraying pressure can be 1.0-2.0Mpa, and the spraying pressure and flow can be adjusted manually.
On the basis of the above embodiment, in order to ensure the sufficiency of the cleaning liquid in the liquid purification tank, as an optimization, the liquid purification tank is connected to a supply line for conveying the cleaning liquid to the liquid purification tank through a control valve, a liquid level detector for detecting a liquid level is arranged in the liquid purification tank, and when the liquid level in the liquid purification tank is lower than a preset height, the control valve is opened to automatically replenish the liquid to the liquid purification tank.
On the basis of the above embodiment, in consideration of the specific setting mode of the conveying device 1, as an optimization, the conveying device 1 comprises a plurality of stepping roller ways 11 which are mutually matched to convey workpieces, the stepping roller ways 11 are in one-to-one correspondence and independent matching with the rough cleaning device 2, the ultrasonic cleaning device 3, the fine cleaning device 4, the cleaning liquid air cutting device 5, the atomizing oiling device 6 and the antirust oil air cutting device 7, proximity switches used for detecting whether the workpieces are separated from are arranged at the blanking positions of the stepping roller ways 11, and when the proximity switches detect signals, the stepping roller ways 11 stop running.
In this embodiment, conveyor 1 includes a plurality of marching type roll tables 11, and every station corresponds a marching type roll table 11, and every marching type roll table 11 all independently cooperates with the device on each station, and can mutually support between a plurality of marching type roll tables and accomplish the transport of work piece. In addition, the power device of each step roller table 11 can be interlocked with the device on the corresponding station by a program, for example, if a certain moving part is not in a preset position, the conveying system will not execute a command so as to avoid damage.
The blanking position of each stepping roller way 11 is provided with a proximity switch for detecting whether the workpiece is separated, and when the proximity switch detects a signal, the stepping roller ways 11 stop running. Namely, when the workpiece stays at the blanking position on the stepping roller way 11 and is not conveyed to the next station, the stepping roller way 11 does not operate, so that the matching reliability is improved. The maximum precise error of the repeated positioning of the step roller table 11 may be 0.5 mm.
In consideration of convenience of conveying workpieces, a pallet with a standard structure can be used as a carrier for conveying the workpieces so as to control standardization and process of a workpiece conveying mode, for example, the position of the workpiece can be positioned by positioning the position of the pallet, a chip or a fixed bar code can be arranged on the pallet to identify or confirm the position of the pallet, and then the position of the workpiece can be confirmed, so that the automation control is facilitated.
On the basis of the above embodiment, in consideration of the specific arrangement manner of the ultrasonic cleaning device 3, as a preferable mode, the ultrasonic cleaning device 3 includes a cleaning tank 32 for storing cleaning liquid, ultrasonic transducers 33 are respectively disposed at the side portion and the bottom portion of the cleaning tank 32, each set of ultrasonic transducer 33 is in control connection with a set of ultrasonic generator, and a lifting vibration assembly 31 for driving the workpiece to vibrate up and down is disposed in the cleaning tank 32.
That is, in this embodiment, the ultrasonic cleaning device 3 includes a cleaning tank 32 for storing a cleaning liquid, an ultrasonic transducer 33, an ultrasonic generator, and a lifting vibration assembly 31, when the workpiece is transported into the cleaning tank 32 by the conveying device 1, the ultrasonic transmitter controls the ultrasonic transducer 33 to generate ultrasonic waves to perform ultrasonic cleaning on the workpiece in the cleaning tank 32, and the lifting vibration assembly 31 drives the workpiece to vibrate and clean up and down within a specified rhythm, so that the cleaning effect of the inner cavity of the circular tube cylinder sleeve can be improved. The lifting vibration assembly 3131 may be composed of a cylinder, a lifting roller table, a braking reducer, etc. to form the lifting vibration assembly 31.
The ultrasonic transducer 33 can adopt a German Serratak piezoelectric ceramic wafer, is cemented by Switzerland autobus glue to ensure that the ultrasonic transducer never falls off, and the shell is made of 304 stainless steel. Ultrasonic transducers 33 are arranged at the front, the back and the bottom of the cleaning tank 32, the size of the ultrasonic transducers 33 at the front and the back of the cleaning tank 32 is 900 multiplied by 300 multiplied by 100mm, 2 sets are arranged, the size of the ultrasonic transducers 33 at the bottom of the cleaning tank 32 is 900 multiplied by 350 multiplied by 100mm, 2 sets are arranged, and each set of the ultrasonic transducers 33 is controlled by one set of the ultrasonic generator. Ultrasonic power is 8.2kw, front and rear are 1.8kw, bottom is 2.4kw, ultrasonic frequency: 28 KHZ.
The ultrasonic generator adopts the digital frequency synthesis technology under the control of the single chip microcomputer to automatically scan the frequency, the digital ultrasonic power is continuously adjustable, the use is flexible, the power is strong, and the efficiency is high. The protection circuit has perfect protection function, and is stable and reliable in operation, and can protect overheat, overcurrent, overvoltage and short circuit.
On the basis of the above-described embodiment, it is preferable that both the cleaning liquid wind-cutting device 5 and the rust-preventive oil wind-cutting device 7 include the high-pressure fan 71. Specifically, the high-pressure fan 71 performs air-cutting operation on the circular tube cylinder sleeve in the workpiece conveying process and in the workpiece conveying process in place so as to improve the air-cutting effect. The high pressure fan 71 can be arranged on the workpiece in the left, right and left directions, and oil dripping of the workpiece within 10 seconds after oil cutting is ensured.
In addition to any of the above embodiments, in consideration of the oil mist generated during cleaning and oil coating, which affects the cleanness of the machine body, it is preferable that an oil mist processing device for absorbing the oil mist is further connected to the machine body to suck and process the oil mist generated during cleaning or oil coating from the machine body, and specifically, an oil mist processing machine 61 is installed above the cleaning station and the oil coating station, and is composed of the oil mist processing machine 61 and related pipelines to suck and process the oil mist generated during cleaning and oil coating from the machine body.
In addition, separation can be realized by arranging the starting door 8 between each station, the starting door 8 is opened when the workpiece is conveyed, and the starting door is closed after the workpiece is conveyed in place so as to realize isolation. The used compressed air can enter the air storage tank through the filter and then pass through the filtering and pressure reducing triple piece and the electromagnetic valve to control each cylinder and the starting door 8.
Each device can be equipped with automatic centralized lubrication to lubricate the lifting guide sleeves at each position. The instruments and pressure switches are connected with corresponding pipelines and display pressure, when the air pressure and the pump pressure are lower than set values, an alarm is given, and the instruments are arranged at positions convenient to observe. Each liquid case that is used for depositing fluid can adopt shaped steel and panel welding to form, and the wall thickness is 6 mm's Q235 board, and the water tank sets up removable cover, conveniently clears up the water tank, and the bottom slope is convenient for the flowing back and is equipped with the scarfing cinder hole.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The concentrated cleaning machine provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A centralized cleaning machine is characterized by comprising a machine body, a control device, a conveying device (1), a rough cleaning device (2), an ultrasonic cleaning device (3), a fine cleaning device (4), a cleaning liquid air cutting device (5), an atomized oil coating device (6) and an antirust oil air cutting device (7), wherein the conveying device, the rough cleaning device, the ultrasonic cleaning device (3), the fine cleaning device, the cleaning liquid air cutting device (5) and the antirust oil air cutting device are respectively in signal connection with the control device and are sequentially arranged in the machine body;
the rough cleaning device (2) is used for performing rough cleaning on the workpiece by spraying, the ultrasonic cleaning device (3) is used for performing ultrasonic cleaning on the workpiece after the rough cleaning by spraying, the fine cleaning device (4) is used for performing fine cleaning by spraying on the workpiece after the ultrasonic cleaning, the cleaning liquid wind cutting device (5) is used for performing wind cutting on the workpiece after the fine cleaning by spraying to remove residual cleaning liquid, the atomization oiling device (6) is used for spraying antirust oil on the workpiece after the wind cutting, and the antirust oil wind cutting device (7) is used for performing wind cutting on the workpiece after the antirust oil is sprayed to remove residual antirust oil;
conveying device (1) is used for carrying the work piece in proper order extremely rough washing device (2), ultrasonic cleaning device (3) fine cleaning device (4) device (5) is cut to the washing liquid wind atomizing oiling station (6) and device (7) is cut to the anti rust oil wind.
2. The centralized cleaning machine according to claim 1, wherein the machine body is a fully-closed machine body, and the machine body is provided with access doors at stations corresponding to the rough cleaning device (2), the ultrasonic cleaning device (3), the fine cleaning device (4), the cleaning liquid wind cutting device (5), the atomized oiling device (6) and the antirust oil wind cutting device (7).
3. The centralized cleaning machine according to claim 2, characterized in that the access door corresponding to the rough cleaning device (2) is provided with a rough cleaning interlock switch, and when the access door corresponding to the rough cleaning device (2) is opened, the interlock switch is turned off and the rough cleaning device (2) stops spraying;
a fine washing interlocking switch is arranged on the access door corresponding to the fine washing device (4), and when the access door corresponding to the fine washing device (4) is opened, the fine washing interlocking switch is switched off and the fine washing device (4) stops spraying;
atomizing oiling device (6) correspond be equipped with atomizing fat liquoring chain switch on the access door, work as atomizing oiling device (6) correspond the back is opened to the access door, the disconnection of atomizing fat liquoring chain switch just atomizing oiling device (6) stop atomizing fat liquoring.
4. The centralized cleaning machine according to claim 1, characterized in that the rough cleaning device (2) and the fine cleaning device (4) each comprise a cleaning chamber, a spraying assembly (21) for spraying a cleaning liquid to the work pieces in the cleaning chamber, a recovery filtering system for recovering and filtering the waste liquid in the cleaning chamber, respectively;
the pressure of spraying of fine purifiation device (4) is greater than the pressure of spraying of rough purifiation device (2), the precision of the washing liquid that fine purifiation device (4) used is greater than the precision of the washing liquid that rough purifiation device (2) used, the filter fineness of fine purifiation device (4) is greater than the filter fineness of rough purifiation device (2).
5. The centralized cleaning machine according to claim 4, wherein the recovery filtration system comprises a recovery liquid tank, a first delivery pump, a self-cleaning magnetic filtration tank, a second delivery pump, a self-cleaning filtration tank and a clean liquid tank which are connected in sequence, the recovery liquid tank is communicated with the cleaning chamber to recover the cleaning liquid, and the clean liquid tank is connected to the spray assembly (21) to deliver the filtered cleaning liquid to the spray assembly (21) again;
the first delivery pump is respectively connected with the recovery liquid tank and the self-cleaning magnetic filter tank and used for pumping the cleaning liquid in the recovery liquid tank into the self-cleaning magnetic filter tank for filtering, and the second delivery pump is respectively connected with the self-cleaning magnetic filter tank and used for pumping the cleaning liquid in the self-cleaning magnetic filter tank into the self-cleaning filter tank for filtering.
6. The concentrated cleaning machine according to claim 5, wherein the clean liquid tank is connected to a supply line for supplying cleaning liquid to the clean liquid tank through a control valve, a liquid level detector is provided in the clean liquid tank for detecting a liquid level, and the control valve is opened to automatically replenish liquid to the clean liquid tank when the liquid level in the clean liquid tank is lower than a preset height.
7. The concentrated cleaning machine according to claim 1, wherein the conveying device (1) comprises a plurality of stepping roller ways (11) which are matched with each other to convey the workpieces, the stepping roller ways (11) are matched with the rough cleaning device (2), the ultrasonic cleaning device (3), the fine cleaning device (4), the cleaning liquid wind-cutting device (5), the atomization oiling device (6) and the antirust oil wind-cutting device (7) in a one-to-one correspondence and are matched independently, each blanking part of the stepping roller ways (11) is provided with a proximity switch used for detecting whether the workpieces are separated, and when the proximity switch detects a signal, the stepping roller ways (11) stop running.
8. The centralized cleaning machine according to claim 1, wherein the ultrasonic cleaning device (3) comprises a cleaning tank (32) for storing cleaning liquid, ultrasonic transducers (33) are arranged on the side and the bottom of the cleaning tank (32), each set of ultrasonic transducers (33) is in control connection with a set of ultrasonic generator, and a lifting vibration assembly (31) for driving the workpiece to vibrate up and down is arranged in the cleaning tank (32).
9. Concentrated cleaning machine according to claim 1, characterized in that the cleaning liquid wind-cut device (5) and the rust-preventive oil wind-cut device (7) each comprise a high-pressure fan (71).
10. The concentrated cleaning machine according to any one of claims 1 to 9, wherein an oil mist treatment device for absorbing oil mist is further connected to the machine body to suck and treat the oil mist generated during the cleaning or oiling process from the machine body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010554328.3A CN113798281A (en) | 2020-06-17 | 2020-06-17 | Centralized cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010554328.3A CN113798281A (en) | 2020-06-17 | 2020-06-17 | Centralized cleaning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113798281A true CN113798281A (en) | 2021-12-17 |
Family
ID=78943184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010554328.3A Pending CN113798281A (en) | 2020-06-17 | 2020-06-17 | Centralized cleaning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113798281A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114308881A (en) * | 2022-01-13 | 2022-04-12 | 华东交通大学 | Non-contact electromagnetic ultrasonic transducer cleaning device |
| CN115156185A (en) * | 2022-07-20 | 2022-10-11 | 贵州达沃斯光电有限公司 | Ultrasonic automatic cleaning device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2663023Y (en) * | 2003-11-18 | 2004-12-15 | 辽宁省机械研究院 | Plate-fin cleaning coating device for cascading heat-exchanger |
| CN201644449U (en) * | 2010-04-21 | 2010-11-24 | 宁波达克轴承有限公司 | Bearing cleaning production line |
| CN102909192A (en) * | 2012-11-27 | 2013-02-06 | 河南省中原内配股份有限公司 | High-pressure cleaning machine of cylinder sleeve |
| CN104646334A (en) * | 2013-11-21 | 2015-05-27 | 宜昌中威清洗机有限公司 | Full-automatic cleaning oil-coating device |
| CN106076952A (en) * | 2016-08-18 | 2016-11-09 | 福州鸿基自动化设备有限公司 | Workpiece cleaning system |
| CN210647513U (en) * | 2019-08-23 | 2020-06-02 | 张家港市华光电子有限公司 | Ultrasonic cleaning device for water aqua mesh belt |
| CN212597633U (en) * | 2020-06-17 | 2021-02-26 | 中原内配集团股份有限公司 | Centralized cleaning machine |
-
2020
- 2020-06-17 CN CN202010554328.3A patent/CN113798281A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2663023Y (en) * | 2003-11-18 | 2004-12-15 | 辽宁省机械研究院 | Plate-fin cleaning coating device for cascading heat-exchanger |
| CN201644449U (en) * | 2010-04-21 | 2010-11-24 | 宁波达克轴承有限公司 | Bearing cleaning production line |
| CN102909192A (en) * | 2012-11-27 | 2013-02-06 | 河南省中原内配股份有限公司 | High-pressure cleaning machine of cylinder sleeve |
| CN104646334A (en) * | 2013-11-21 | 2015-05-27 | 宜昌中威清洗机有限公司 | Full-automatic cleaning oil-coating device |
| CN106076952A (en) * | 2016-08-18 | 2016-11-09 | 福州鸿基自动化设备有限公司 | Workpiece cleaning system |
| CN210647513U (en) * | 2019-08-23 | 2020-06-02 | 张家港市华光电子有限公司 | Ultrasonic cleaning device for water aqua mesh belt |
| CN212597633U (en) * | 2020-06-17 | 2021-02-26 | 中原内配集团股份有限公司 | Centralized cleaning machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114308881A (en) * | 2022-01-13 | 2022-04-12 | 华东交通大学 | Non-contact electromagnetic ultrasonic transducer cleaning device |
| CN114308881B (en) * | 2022-01-13 | 2023-09-19 | 华东交通大学 | Non-contact electromagnetic ultrasonic transducer belt cleaning device |
| CN115156185A (en) * | 2022-07-20 | 2022-10-11 | 贵州达沃斯光电有限公司 | Ultrasonic automatic cleaning device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212597633U (en) | Centralized cleaning machine | |
| CN113798281A (en) | Centralized cleaning machine | |
| CN214132982U (en) | High-pressure spraying ultrasonic cleaning machine for automobile brake bracket | |
| CN209753623U (en) | Glass cleaning machine | |
| CN114161269A (en) | Polishing device for manufacturing refined metal products | |
| CN111922780B (en) | Cutting fluid sprinkler for digit control machine tool | |
| CN210815918U (en) | Spray recovery device | |
| CN111288674A (en) | Workpiece deburring equipment and method based on water jet cutter | |
| CN214770754U (en) | Environment-friendly device of hardware processing machine tool | |
| CN213004076U (en) | Piece collection device for mechanical production | |
| CN211839219U (en) | Conveying line device and automatic production line for removing welding oxide skin by high-pressure water | |
| CN211757263U (en) | Ultrasonic cleaning device for positive and negative electrode plates | |
| CN220329032U (en) | Full-automatic paint spraying device | |
| CN114178605B (en) | Metal pipe cutting type processing device based on jet impact and ultrasonic resonance | |
| CN116604418B (en) | Diamond wire composite cutting plate double-sided grinding machine | |
| CN208095950U (en) | A kind of efficient ketchup production lines fountain elevator | |
| CN207787700U (en) | The cleaning system of backing plate is sintered for wolfram steel | |
| CN112657911A (en) | Equipment belt cleaning device for machining | |
| CN217043785U (en) | Ultrasonic cleaning device for automatic valve body production and machining | |
| CN220128535U (en) | Shot blasting machine convenient for collecting shot blasting | |
| CN221086050U (en) | Spraying device for spraying antirust liquid on track shoe | |
| CN221361505U (en) | Device for fixed-point spray flushing of hole sites of hardware workpiece | |
| CN219805792U (en) | Cooling structure for machining | |
| CN221183858U (en) | Workpiece surface foreign matter cleaning and collecting system | |
| CN217088279U (en) | Glue residue removing device for manufacturing circuit board for solar LED screen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |