CN108722962B - Part washing equipment control system, part washing system and part washing method - Google Patents
Part washing equipment control system, part washing system and part washing method Download PDFInfo
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- CN108722962B CN108722962B CN201810489319.3A CN201810489319A CN108722962B CN 108722962 B CN108722962 B CN 108722962B CN 201810489319 A CN201810489319 A CN 201810489319A CN 108722962 B CN108722962 B CN 108722962B
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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
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/022—Cleaning travelling work
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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Abstract
The invention discloses a control system of a part washing device, which is used for controlling the part washing device, the control system comprises an automatic control device for intelligently controlling each actuating mechanism of the part washing device and a human-computer interaction device for receiving an external input instruction to switch the working mode of the automatic control device, and the automatic control device comprises: the invention also discloses a part washing system comprising the part washing equipment control system and a part washing method. And a more efficient and energy-saving flushing scheme can be set by analyzing relevant data acquired by the data acquisition.
Description
Technical Field
The invention relates to the field of part flushing equipment, in particular to a part flushing equipment control system, a part flushing system and a part flushing method.
Background
The redundant objects in the precision parts are the main reasons of accidents, and the parts are washed clean, so that the failure rate can be greatly reduced. Therefore, in the process of maintenance and repair of mechanical equipment, the washing efficiency and the washing quality of mechanical parts are very important for the maintenance and repair work of the mechanical equipment. The existing part flushing equipment has a complex flushing process and needs excessive manual intervention, so that the cleaning efficiency is low; and in the existing part flushing equipment, important parameters in a plurality of flushing processes do not have adjustability, so that the cleaning effect is not ideal, the quality of related parts is influenced, and even the whole mechanical equipment on which the parts are installed is adversely affected.
Disclosure of Invention
The invention provides a control system and a control method of part flushing equipment, and aims to solve the technical problems of low cleaning efficiency and unsatisfactory cleaning effect caused by complex flushing process, excessive manual intervention and the like of the existing part flushing equipment.
The technical scheme adopted by the invention is as follows:
the utility model provides a part flushing device control system, a control for part flushing device, part flushing device includes the pump station, frame and oil tank, the upper portion of frame is the washing storehouse, the lower part is the annex installation storehouse, set up the horizontal workbench that is used for the installation and treats the part of washing in the washing storehouse, the horizontal workbench rotates the setting in the horizontal direction, be equipped with the drive on the horizontal workbench and treat the tilting mechanism that the part overturned along the axial, flush fluid in the pump station drive oil tank is through at least two sets of washing pipeline transmission to washing storehouse and is washed the part, control system is including being used for carrying out intelligent control's automatic control device and being used for receiving external input instruction with the man-machine interaction device who switches automatic control device's mode to each actuating mechanism of part flushing device, automatic control device includes: a turnover control unit, a flushing liquid switch valve control unit, a flushing time control unit, a flushing liquid pressure control unit and a data acquisition control unit,
the turnover control unit is used for controlling the turnover mechanism to drive the part to turn over,
the flushing liquid switch valve control unit is used for controlling the switch of the corresponding flushing pipeline flushing liquid valve when the part is turned over to a set angle,
the flushing time control unit is used for controlling flushing time, intermittent time and cycle frequency corresponding to the work of each group of flushing pipelines,
the flushing liquid pressure control unit is used for controlling the pressure of flushing liquid in each group of flushing pipelines;
the data acquisition control unit is used for acquiring and storing various data parameters in the flushing process of the part flushing equipment.
Furthermore, a vibration motor for driving the parts to vibrate is arranged in the flushing bin, and the automatic control device further comprises a frequency control unit for adjusting the working frequency of the vibration motor.
Further, the part flushing device further comprises a compressed air gun and/or a purging gas circuit for purging the inner cavity and/or the outer surface of the part, and the automatic control device further comprises a purging control unit for controlling whether the compressed air gun and/or the purging gas circuit is opened or not.
Furthermore, the automatic control device also comprises a washing liquid temperature control unit for controlling the washing liquid to be in a set temperature range, and the washing liquid temperature control unit is a cooling pump or an air-cooled radiator.
According to another aspect of the invention, a part flushing system is also provided, which comprises the part flushing device and the control system.
Furthermore, the flushing bin is also provided with an oil mist separation device which is used for extracting oil mist in the flushing bin and discharging air which meets the requirements after being separated by the separation system into the atmosphere; the filter screen is arranged below the oil receiving opening at the joint of the flushing bin and the oil tank and used for judging whether the flushing is clean according to the existence of impurities in the filter screen.
According to another aspect of the present invention, there is also provided a method for flushing a part, which is applied to the above-mentioned part flushing system, and includes the following steps:
installing a part to be washed at a set initial position on a horizontal workbench;
and receiving an external input instruction through the human-computer interaction device, and controlling the part flushing equipment to automatically flush the part according to a set program through the automatic control device.
Further, the automatic control device controls the part washing equipment to automatically wash the parts according to a set program, and the automatic control device comprises:
surface and inner cavity washing: in the surface flushing stage, the flushing liquid pressure control unit controls flushing liquid to a set pressure value, the turnover control unit controls the turnover mechanism to drive a part to turn over according to set parameters, the flushing liquid switch valve control unit controls the surface flushing pipeline to be opened, the flushing time control unit controls the surface flushing pipeline to be flushed according to set flushing time and interval time, the data acquisition control unit acquires and stores various data parameters in the flushing process, and after the surface flushing stage is completed, the flushing liquid switch valve control unit controls the surface flushing pipeline to be closed and automatically enters the inner cavity flushing stage; in the inner cavity flushing stage, a flushing liquid control unit controls flushing liquid to a set pressure value, a turnover control unit controls a turnover mechanism to drive a part to turn over according to set parameters, a flushing liquid switch valve control unit controls corresponding inner cavity flushing pipelines to be opened when the part turns over to a set angle, other flushing pipelines are closed, a flushing time control unit controls the inner cavity flushing pipelines to be flushed according to set flushing time and intermittent time, and a data acquisition control unit acquires and stores various data parameters in the flushing process;
secondary washing and purging: the secondary flushing refers to that the part difficult to flush is flushed again according to a set program, in the secondary flushing stage, the flushing liquid pressure control unit controls flushing liquid to a set pressure value, the turnover control unit controls the turnover mechanism to drive the part to turn over according to set parameters, the flushing liquid switch valve control unit controls the switch of a corresponding flushing pipeline when the part turns over to a set angle, the flushing time control unit controls the flushing pipeline to flush according to set flushing time and set interval time, the data acquisition control unit acquires and stores various data parameters in the flushing process, all the flushing pipelines are closed after the secondary flushing is finished, and the purging stage is automatically started; in the purging stage, the purging control unit controls the compressed air gun and/or the purging gas circuit to be opened, and high-pressure air is used for drying the inner cavity and the surface of the part through the compressed air gun and/or the purging gas circuit.
Further, after the surface and inner cavity washing step and before the secondary washing and purging step, the horizontal workbench drives the part to rotate on the horizontal plane according to a set angle.
Further, the automatic control device controls the part flushing device to automatically flush the parts according to a set program, and the automatic control device further comprises: before the secondary flushing and purging step is executed, judging whether the surface and inner cavity flushing reaches a first set cycle number, and entering the secondary flushing and purging step under the condition; and after the secondary flushing and purging steps are executed and before the flushing process is finished, judging whether the flushing of the inner cavity reaches a second set cycle number, and finishing the flushing process under the condition.
Further, the process of automatically flushing the parts according to the set program further comprises the following steps: and inputting a pause instruction through the human-computer interaction device, controlling the part flushing equipment to pause all programs through the automatic control device, and selecting to continue according to the programs or reset the part flushing equipment after the pause.
According to the technical scheme, the control system comprises the automatic control device for intelligently controlling each actuating mechanism of the part flushing equipment and the human-computer interaction device for receiving external input instructions to switch the working mode of the automatic control device, the instructions are input through the human-computer interaction device, the control system realizes automatic control of the part flushing process by controlling part overturning, flushing liquid valve opening and closing, flushing time, flushing liquid pressure, data acquisition and the like, manual intervention is reduced, and the flushing effect is better due to the controllability of each flushing parameter. And a more efficient and energy-saving flushing scheme can be set by analyzing relevant data acquired by the data acquisition.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic block diagram of a control system for a parts flushing apparatus according to a preferred embodiment of the present invention;
FIG. 2 is a schematic block diagram of a parts flushing apparatus control system according to another preferred embodiment of the present invention;
FIG. 3 is a flow chart illustrating the steps of a part flushing method according to a preferred embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1, according to an aspect of the present invention, there is provided a flushing device control system 10 for controlling a part flushing device 20, the part flushing device includes a pump station, a rack and an oil tank, the upper portion of the rack is a flushing chamber, the lower portion of the rack is an accessory installation chamber, a horizontal table for installing and fixing a part to be flushed is arranged in the flushing chamber, the horizontal table is rotatably arranged in a horizontal direction, a turnover mechanism for driving the part to be flushed to turn over in an axial direction is arranged on the horizontal table, the pump station drives flushing liquid in the oil tank to be transmitted to the flushing chamber through at least two sets of flushing pipelines for flushing the part, the control system 10 includes an automatic control device 40 for intelligently controlling each execution mechanism of the part flushing device, and a human-computer interaction device 30 for receiving an external input command to switch an operation mode of the automatic control device. The automatic control device 40 includes: a turnover control unit 41, a flushing liquid switch valve control unit 42, a flushing time control unit 43, a data acquisition control unit 44,
the turnover control unit 41 is used for controlling the turnover mechanism to drive the part to turn over,
the flushing liquid switch valve control unit 42 is used for controlling the switch of the corresponding flushing pipeline flushing liquid valve when the part is turned over to a set angle,
the flushing time control unit 43 is used for controlling the flushing time, the intermittent time and the cycle times corresponding to the work of each group of flushing pipelines, and the flushing hydraulic pressure control unit 44 is used for controlling the pressure of flushing liquid in each group of flushing pipelines;
the data acquisition control unit 45 is used for acquiring and storing various data parameters in the flushing process of the part flushing equipment.
It should be noted that each control unit in the control system 10 is connected to its corresponding part flushing device, specifically, the roll-over control unit 41 is connected to the roll-over driving device, the flushing liquid switch valve control unit 42 is connected to the flushing liquid switch valve, the flushing time control unit 43 is connected to all devices controlled by the control unit, such as the roll-over driving device, the flushing liquid switch valve, the flushing pressure control unit, the data acquisition device, the purging device, etc., the flushing hydraulic pressure control unit 44 is connected to the flushing pressure control device, and the data acquisition control unit 45 is connected to the data acquisition device.
In the embodiment of the present invention, the human-computer interaction device 30 is a human-computer control interface programmed based on the touch screen programming software ebpro (easy builder pro) of wilon and using the touch screen of wilon. The overturning driving device is a servo motor which is arranged in the washing bin and connected with the horizontal workbench, the servo motor drives the parts to overturn, and the overturning speed of the servo motor can be adjusted through the human-computer interaction device 30. The control of flushing liquid flushing pressure is realized through an overflow valve and/or a proportional valve, the overflow valve realizes the range adjustment of flushing liquid pressure and adjusts the range adjustment to the vicinity of a required pressure value, and the accurate adjustment is realized by changing the opening degree of an electric proportional valve and adjusts the range adjustment to the required pressure value.
Optionally, a vibration motor for driving the parts to vibrate is disposed in the washing chamber, and referring to fig. 2, the automatic control device 40 further includes a frequency control unit 45 for adjusting the operating frequency of the vibration motor. Specifically, a frequency converter is disposed on the vibration motor, the vibration frequency of the vibration motor is adjusted by the frequency converter, and the frequency control unit 45 is connected to the frequency converter of the vibration motor. Taking a flushing control system of a certain case part of an aeroengine as an example, the vibration frequency is continuously adjustable within the range of 0Hz to 25 Hz.
Optionally, the part flushing apparatus further comprises a compressed air gun and/or a purge gas circuit for purging the inner cavity and/or the outer surface of the part, and referring to fig. 2, the automatic control device 40 further comprises a purge control unit 46 for controlling whether the compressed air gun and/or the purge gas circuit is opened or not. The purge control unit 46 is connected to the compressed air gun switch and the purge gas path valve. The compressed air gun is directly connected with a workshop air source, and the purging control unit 46 controls the on-off of the compressed air gun to purge the parts. After the flushing liquid valve is controlled to be closed by the flushing liquid switch valve control unit 42, the purging control unit 46 controls the flushing pipeline valve to be opened, and high-pressure air enters the flushing bin through the purging air path to purge the parts.
Optionally, referring to fig. 2, a rinsing liquid temperature control unit 47 for controlling the rinsing liquid in the set temperature interval is further included. The flushing liquid temperature control unit 47 is connected with a temperature adjusting device cooling pump, an air cooling radiator and the like. Specifically, taking a flushing control system for a certain case part of an aircraft engine as an example, when the temperature of the flushing liquid exceeds 45 ℃, the flushing liquid temperature control unit 47 controls the cooling pump to work, and the flushing liquid temperature control unit 47 controls the air-cooled radiator to cool the flushing liquid below 45 ℃.
Correspondingly, the invention further provides a part flushing system, which comprises the part flushing equipment and the control system of any one of the embodiments.
Above-mentioned part flushing device includes pump station, frame and oil tank, and the upper portion of frame is the washing storehouse, the lower part is the annex installation storehouse, sets up the horizontal workbench that is used for the installation and treats the washing part with fixed in the washing storehouse, and the horizontal workbench rotates the setting in the horizontal direction, is equipped with the drive on the horizontal workbench and treats the tilting mechanism that the part overturned along the axial, and the flush fluid in the pump station drive oil tank is washed the part through at least two sets of flushing line transmission to washing storehouse.
Taking a part washing control system of a certain case of an aircraft engine as an example, the part washing control system comprises a pump station, a rack and an oil tank, wherein the pump station drives washing liquid in the oil tank to be transmitted to a washing bin through at least two groups of washing pipelines to wash the part. The oil tank is arranged on the right side surface of the washing machine frame, and holes are formed in the outer side surface of the oil tank for facilitating cleaning of the oil tank. The pump station is arranged behind the frame of the washing machine, so that the floor area of the equipment is saved, and the operation and maintenance are convenient. The horizontal working rotary table is positioned in the working bin and used for installing and fixing parts of the washing case. The working turntable is made of stainless steel and bears 150Kg of load. The horizontal workbench is provided with a plurality of clamping grooves in the horizontal direction, and the horizontal workbench drives the box part to rotate in the horizontal direction through mechanical transmission. The flushing bin is internally provided with a servo motor connected with the horizontal workbench, the servo motor drives the casing part to turn over along the axial direction, and the turning speed of the servo motor can be adjusted through the man-machine interaction device 30. The inner cavities and pipelines of the parts of the casing to be washed are adjusted to be in favorable washing positions by driving the parts to rotate horizontally and turn over along the axial direction, namely, dead zones and dead angles of oil and gas pipelines and inner cavities distributed in the casing are positioned at the highest positions as much as possible, so that redundant materials in the casing can be conveniently washed clean. And a vibration motor for driving the parts to vibrate is arranged in the washing bin. In the part washing process, the vibration motor drives the casing part to vibrate axially, and the vibration frequency is continuously adjustable within the range of 0Hz to 25 Hz. The casing vibrates slightly along the axial direction in the flushing process, and the redundant objects existing in the inner cavity of the casing and the pipeline are forced to vibrate so as to overcome the action of the adhesive force of the casing and be carried out of the casing by flushing liquid under the action of the flushing force of the flushing liquid. The part flushing apparatus also includes a compressed air gun and/or a flushing line for purging the interior cavity and/or exterior surface of the part. The compressed air gun is directly connected with a workshop air source. The workshop air source is connected to the flushing pipeline, when the flushing fluid switch valve is closed, the air source is communicated with the flushing pipeline, and compressed air enters the flushing bin to purge the parts. The part flushing device further comprises a flushing liquid temperature control unit for controlling the temperature of the flushing liquid, and the flushing liquid temperature control unit is a cooling pump or an air cooling radiator. Specifically, taking a flushing control system of a certain case part of an aircraft engine as an example, when the temperature of flushing liquid exceeds 45 ℃, a cooling pump works, and the flushing liquid is cooled by an air-cooled radiator below 45 ℃.
Optionally, the flushing bin is further provided with an oil mist separation device for extracting oil mist in the flushing bin and discharging air meeting the requirements after being separated by the separation system into the atmosphere; the filter screen is arranged below the oil receiving opening at the joint of the flushing bin and the oil tank and used for judging whether the flushing is clean according to the existence of impurities in the filter screen. Taking a flushing control system of a certain cartridge receiver part of an aircraft engine as an example, in the flushing process of the cartridge receiver part, particularly in the flushing process of the surface of the part, flushing fluid can splash to form oil mist, in order to keep the definition in a flushing bin and open a flushing bin door, the influence of the flushing oil mist on operators and the working environment is realized, a working bin oil mist separation system is arranged, the oil mist in the flushing bin is extracted in time, and after being separated by the separation system, air meeting the environmental protection requirement is discharged into the atmosphere; . An inspection filter screen is arranged below an oil receiving port at the joint of the front half part of the oil tank and the flushing bin, and flushing fluid flows back to the oil tank through the inspection filter screen. Whether the parts of the casing are washed clean is judged by checking whether impurity particles exist in the filter screen.
Correspondingly, the invention further provides a part flushing method, which is applied to the part flushing system of any one of the above embodiments, and with reference to fig. 3, the method comprises the following steps: installing a part to be washed at a set initial position on a horizontal workbench; and receiving an external input instruction through the human-computer interaction device, and controlling the part flushing equipment to automatically flush the part according to a set program through the automatic control device.
Taking a method for washing a certain case part of an aeroengine as an example, the case part is arranged on a horizontal workbench, and the part is manually adjusted to be vertical to a horizontal plane. The input flushing time is 30 minutes (the time setting must be more than 7 minutes) through a man-machine control page, the intermittent time is 15 seconds, the cycle frequency of the surface and inner cavity flushing step is 1 time, the cycle frequency of the secondary flushing and purging step is 2 times, the flushing temperature is 25 ℃, the flushing pressure is 0.6-0.8 MPa, the pressure regulation and control precision of a proportional valve is set within +/-0.5%, and the pressure values of flushing fluid can be set to be the same value or different values in the surface flushing, the inner cavity flushing and the secondary flushing. To ensure the flushing effect, the flushing time must be set to be greater than 7 minutes. The inner cavity of the casing part comprises 6 support plates which are divided into three groups, wherein the three groups are named as 1 support plate, 2 support plate, 6 support plate, 7 support plate and M, N support plate, and the overturning set angle of the casing part is as follows: 90-0-90 degrees in surface flushing, the staying angle of a casing part in inner cavity flushing is 126-180-90-0 degrees, wherein the casing part stays at 126 degrees to flush 1 and 2 support plates, the casing part stays at 180 degrees to flush 6 and 7 support plates, and the casing part stays at 180-90-0 degrees to flush M, N support plates; the angle between the parts of the casing and the horizontal plane in the secondary washing is 90 degrees.
In the embodiment of the invention, the automatic control device for controlling the part flushing equipment to automatically flush the part according to the set program comprises the following steps:
surface and inner cavity washing: in the surface flushing stage, the flushing liquid pressure control unit controls flushing liquid to a set pressure value, the turnover control unit controls the turnover mechanism to drive a part to turn over according to set parameters, the flushing liquid switch valve control unit controls the surface flushing pipeline to be opened, the flushing time control unit controls the surface flushing pipeline to be flushed according to set flushing time and interval time, the data acquisition control unit acquires and stores various data parameters in the flushing process, and after the surface flushing stage is completed, the flushing liquid switch valve control unit controls the surface flushing pipeline to be closed and automatically enters the inner cavity flushing stage; in the inner cavity flushing stage, a flushing liquid control unit controls flushing liquid to a set pressure value, a turnover control unit controls a turnover mechanism to drive a part to turn over according to set parameters, a flushing liquid switch valve control unit controls corresponding inner cavity flushing pipelines to be opened when the part turns over to a set angle, other flushing pipelines are closed, a flushing time control unit controls the inner cavity flushing pipelines to be flushed according to set flushing time and intermittent time, and a data acquisition control unit acquires and stores various data parameters in the flushing process;
secondary washing and purging: the secondary flushing refers to that the part difficult to flush is flushed again according to a set program, in the secondary flushing stage, the flushing liquid pressure control unit controls flushing liquid to a set pressure value, the turnover control unit controls the turnover mechanism to drive the part to turn over according to set parameters, the flushing liquid switch valve control unit controls the switch of a corresponding flushing pipeline when the part turns over to a set angle, the flushing time control unit controls the flushing pipeline to flush according to set flushing time and set interval time, the data acquisition control unit acquires and stores various data parameters in the flushing process, all the flushing pipelines are closed after the secondary flushing is finished, and the purging stage is automatically started; in the purging stage, the purging control unit controls the compressed air gun and/or the purging gas circuit to be opened, and high-pressure air is used for drying the inner cavity and the surface of the part through the compressed air gun and/or the purging gas circuit.
Taking a method for flushing a certain cartridge part of an aircraft engine as an example, the automatic control device controls the cartridge part flushing equipment to automatically flush the cartridge part according to a set program, and the method comprises the following steps:
surface and inner cavity washing: in the surface flushing stage, a flushing liquid pressure control unit controls flushing liquid to be in a range of 0.6-0.8 MPa through an overflow valve and/or an electric proportional valve, a flushing liquid switch valve control unit controls a surface flushing pipeline to be opened, an overturning control unit controls an overturning mechanism to drive a part to overturn at a constant speed according to a sequence of included angles of 90-0-90-180-90 degrees with a horizontal plane, flushing liquid flushes a case part in the overturning process of the case part, the inside of a control system is set in the surface flushing step, the part overturns 90 degrees every 90 seconds, a data acquisition control unit acquires and stores various data parameters in the flushing process, special data acquisition software is compiled, a report is printed to output the flushing step and a pressure curve, and after the surface flushing stage is completed, the flushing liquid switch valve control unit controls the surface flushing pipeline to be; in the inner cavity flushing stage, a flushing liquid pressure control unit controls flushing liquid to be in a range of 0.6-0.8 MPa through an overflow valve and/or an electric proportional valve, a flushing liquid switch valve control unit opens a corresponding flushing liquid switch valve to flush when a cartridge receiver part turns to a corresponding position, a turnover control unit controls a turnover mechanism to drive the cartridge receiver part to turn over to 126 degrees, a flushing liquid switch valve control unit controls 1 and 2 support plates to be opened corresponding to the flushing liquid switch valve, a lubricating oil inlet pipe on the support plate No. 1 and a support plate mounting seat No. 2 are flushed, the support plates 1 and 2 are flushed, after 15 seconds of intermittence, the turnover control unit controls the turnover mechanism to drive the cartridge receiver part to turn over to 180 degrees, the flushing liquid switch valve control unit controls 6 and 7 support plates to be opened corresponding to the lubricating oil inlet pipe on the support plate No. 6 and the support plate mounting seat No, 6. 7 the extension board is washed and is accomplished, after 15 seconds of intermittent type, upset the control unit control tilting mechanism drive receiver part respectively to 180, 90, 0 three position, flush fluid switch valve control unit control M, N extension board corresponds the flush fluid switch valve and opens, wash anchor clamps M interface and preceding oil return tank to the front bearing frame and go up screw hole N interface and wash, data acquisition the control unit collection and store each item data parameter of washing in-process, and through special data acquisition software, print report output and wash step and pressure curve.
Secondary washing and purging: the secondary flushing of the cartridge receiver part is to flush again the interface of a front bearing seat flushing clamp M and the interface of a threaded hole N in a front oil return tank, wherein the cartridge receiver part is difficult to flush, in the secondary flushing stage, a flushing hydraulic control unit controls flushing liquid to be in the range of 0.6-0.8 MPa through an overflow valve and/or an electric proportional valve, the cartridge receiver part and a horizontal plane angle in the secondary flushing are set to be 90 degrees, so that the cartridge receiver part does not need to be turned over in the secondary flushing, the flushing liquid switch valve control unit controls M, N supporting plates to be opened corresponding to flushing liquid switch valves, the data acquisition control unit acquires and stores various data parameters in the flushing process, and through special data acquisition software, a printing report is output to flush the step and the pressure. Until the secondary flushing is completed. After the secondary flushing is finished, the flushing fluid switch valve control unit controls all flushing fluid valves to be closed, and the purging stage is automatically started; in the blowing stage, the blowing control unit controls the compressed air gun and the blowing gas circuit valve to be opened completely, and high-pressure air blows the inner cavity and the surface of the part through the compressed air gun and the blowing gas circuit. And after the purging is finished, the whole flushing process is finished.
Optionally, after the surface and cavity washing step and before the secondary washing and purging step, the horizontal workbench drives the part to rotate in the horizontal plane according to a set angle. Taking a method for washing a certain case part of an aeroengine as an example, after the surface and inner cavity washing step and before the secondary washing and purging step, the workbench is rotated by 180 degrees in the horizontal plane to drive the case part to rotate by 180 degrees in the horizontal plane.
Optionally, taking a method for flushing a certain casing part of an aircraft engine as an example, the automatic control device controls the part flushing device to automatically flush the casing part according to a set program, and the method further includes: before the secondary flushing and purging step is executed, judging whether the surface and inner cavity flushing cycle number reaches 1, if the surface and inner cavity flushing cycle number does not reach 1, circulating the surface and inner cavity flushing step, and if the surface and inner cavity flushing cycle number reaches 1, entering the secondary flushing and purging step; and after the secondary flushing and purging step is executed, judging whether the secondary flushing and purging reaches 2 times, if not, circulating the secondary flushing and purging step, and if so, ending the flushing process.
Optionally, the process of automatically flushing the part according to the set program further includes: and inputting a pause instruction through the human-computer interaction device, controlling the part flushing equipment to pause all programs through the automatic control device, and selecting to continue according to the programs or reset the part flushing equipment after the pause. Taking a method for flushing a certain case part of an aeroengine as an example, the surface and inner cavity flushing step or the secondary flushing and purging step can be suspended by a human-machine control interface, and the rest steps can be selected to be continuously completed after suspension. If the rest steps are not needed to be completed, the equipment returns to the initial state after the reset button of the human-computer control interface is clicked, and the flushing can be restarted.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A control system of a part washing device is used for controlling the part washing device, the part washing device comprises a pump station, a rack and an oil tank, the upper part of the rack is a washing bin, the lower part of the rack is an accessory installation bin, a horizontal workbench used for installing and fixing a part to be washed is arranged in the washing bin, the horizontal workbench is rotatably arranged in the horizontal direction, a turnover mechanism used for driving the part to be washed to turn over along the axial direction is arranged on the horizontal workbench, the pump station drives washing liquid in the oil tank to be transmitted to the washing bin through at least two groups of washing pipelines to wash the part, and the control system is characterized in that,
the control system comprises an automatic control device for intelligently controlling each actuating mechanism of the part washing equipment and a human-computer interaction device for receiving external input instructions to switch the working mode of the automatic control device, wherein the automatic control device comprises: a turnover control unit, a flushing liquid switch valve control unit, a flushing time control unit, a flushing liquid pressure control unit and a data acquisition control unit,
the turnover control unit is used for controlling the turnover mechanism to drive the part to turn over,
the flushing liquid switch valve control unit is used for controlling the switch of the corresponding flushing pipeline flushing liquid valve when the part is turned over to a set angle,
the flushing time control unit is used for controlling flushing time, intermittent time and cycle times corresponding to the work of each group of flushing pipelines,
the flushing liquid pressure control unit is used for controlling the pressure of flushing liquid in each group of flushing pipelines;
the data acquisition control unit is used for acquiring and storing various data parameters in the flushing process of the part flushing equipment; the part flushing equipment further comprises a compressed air gun and/or a purging gas circuit for purging the inner cavity and/or the outer surface of the part, and the automatic control device further comprises a purging control unit for controlling whether the compressed air gun and/or the purging gas circuit is opened or not.
2. The parts washer control system as defined in claim 1,
the washing bin is internally provided with a vibration motor for driving the part to vibrate, and the automatic control device further comprises a frequency control unit for adjusting the working frequency of the vibration motor.
3. The parts washer control system as defined in claim 1,
the automatic control device also comprises a flushing liquid temperature control unit for controlling the flushing liquid to be in a set temperature range, and the flushing liquid temperature control unit is a cooling pump or an air cooling radiator.
4. A parts flushing system comprising a parts flushing apparatus and a control system as claimed in any one of claims 1 to 3.
5. The parts flushing system of claim 4,
the flushing bin is also provided with an oil mist separation device which is used for extracting oil mist in the flushing bin and discharging air which meets the requirements after being separated by the separation system into the atmosphere;
the flushing bin and the oil tank are connected and a filter screen is arranged below an oil receiving port and used for judging whether the flushing is clean according to the existence of impurities in the filter screen.
6. A part washing method applied to the part washing system according to any one of claims 4 to 5, comprising the steps of:
installing a part to be washed at a set initial position on a horizontal workbench;
and receiving an external input instruction through the human-computer interaction device, and controlling the part flushing equipment to automatically flush the part according to a set program through the automatic control device.
7. The method of flushing parts of claim 6,
the automatic control device controls the part flushing equipment to automatically flush the parts according to a set program, and the automatic control device comprises:
surface and inner cavity washing: in the surface flushing stage, a flushing liquid pressure control unit controls flushing liquid to a set pressure value, a turnover control unit controls a turnover mechanism to drive a part to turn over according to set parameters, a flushing liquid switch valve control unit controls a surface flushing pipeline to be opened, a flushing time control unit controls the surface flushing pipeline to be flushed according to set flushing time, a data acquisition control unit acquires and stores various data parameters in the flushing process, and after the surface flushing stage is completed, the flushing liquid switch valve control unit controls the surface flushing pipeline to be closed and automatically enters an inner cavity flushing stage; in the lumen irrigation stage, the irrigation liquid pressure control unit controls the irrigation liquid to
The device comprises a turnover control unit, a flushing liquid switch valve control unit, a data acquisition control unit and a control unit, wherein the turnover control unit controls the turnover mechanism to drive a part to turn over according to set parameters, the flushing liquid switch valve control unit controls corresponding inner cavity flushing pipelines to be opened when the part turns over to a set angle, other flushing pipelines are closed, the flushing time control unit controls the inner cavity flushing pipelines to be flushed according to set flushing time and interval time, and the data acquisition control unit acquires and stores various data parameters in the flushing process;
secondary washing and purging: the secondary flushing refers to that the part difficult to flush is flushed again according to a set program, in the secondary flushing stage, the flushing liquid pressure control unit controls the flushing liquid to reach a set pressure value, the turnover control unit controls the turnover mechanism to drive the part to turn over according to set parameters, the flushing liquid switch valve control unit controls the switch of a corresponding flushing pipeline when the part turns over to a set angle, the flushing time control unit controls the flushing pipeline to flush according to set flushing time and intermittent time, the data acquisition control unit acquires and stores various data parameters in the flushing process, and after the secondary flushing is completed, all the flushing pipelines are closed and automatically enter the purging stage; in the purging stage, the purging control unit controls a compressed air gun and/or a purging gas circuit to be opened, and high-pressure air is used for blowing and drying the inner cavity and the surface of the part through the compressed air gun and/or the purging gas circuit.
8. The method of flushing parts of claim 7,
after the surface and inner cavity washing step and before the secondary washing and purging step, the horizontal workbench drives the part to rotate on the horizontal plane according to a set angle.
9. The method of flushing parts of claim 7,
the automatic control device controls the part flushing equipment to automatically flush the parts according to a set program and further comprises the following steps:
before the secondary flushing and purging step is executed, judging whether the surface and inner cavity flushing reaches a first set cycle number, and entering the secondary flushing and purging step under the condition;
and after the secondary flushing and purging step is executed and before the flushing process is finished, judging whether the inner cavity flushing reaches a second set cycle number, and finishing the flushing process under the condition.
10. The method of flushing parts of claim 7,
the process of automatically flushing the parts according to the set program further comprises the following steps: and inputting a pause instruction through the human-computer interaction device, controlling the part washing equipment to pause all programs through the automatic control device, and selecting to continue according to the programs or reset the part washing equipment after pausing.
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| CN111360002B (en) * | 2020-05-11 | 2022-03-01 | 中国科学院等离子体物理研究所 | Multifunctional silver-copper pipeline cleaning control system and method |
| CN112474084B (en) * | 2020-11-11 | 2022-03-01 | 山东省科学院自动化研究所 | Cavitation jet flow intelligent nozzle and underwater cleaning robot |
| CN112517555A (en) * | 2020-11-13 | 2021-03-19 | 中国科学院合肥物质科学研究院 | Multifunctional silver-copper pipeline cleaning equipment and cleaning method |
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| DE2444161C3 (en) * | 1974-09-16 | 1979-07-26 | Otto Duerr Gmbh & Co, 7000 Stuttgart | Process and system for washing workpieces, in particular metal parts |
| KR20120004167U (en) * | 2010-08-19 | 2012-06-13 | 김현 | High pressure washer auto stop |
| CN203012429U (en) * | 2012-12-05 | 2013-06-19 | 浙江迦南科技股份有限公司 | Automatic control system of hopper cleaning machine |
| CN103721963B (en) * | 2013-12-25 | 2015-07-08 | 上海东富龙拓溥科技有限公司 | Full-automatic online cleaning control method |
| CN204359200U (en) * | 2014-03-27 | 2015-05-27 | 西安艾威科技有限公司 | A kind of heat exchanger cleaning machine of aircraft |
| CN105363721A (en) * | 2015-12-15 | 2016-03-02 | 重庆凯顺机械有限公司 | Automobile spare part cleaning system realizing smart production |
| CN107811309A (en) * | 2017-12-02 | 2018-03-20 | 成都科创城科技有限公司 | A kind of special cleaning machine based on PLC system |
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