CN111632929A - Automatic piston cleaning equipment and method - Google Patents
Automatic piston cleaning equipment and method Download PDFInfo
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- CN111632929A CN111632929A CN202010529687.3A CN202010529687A CN111632929A CN 111632929 A CN111632929 A CN 111632929A CN 202010529687 A CN202010529687 A CN 202010529687A CN 111632929 A CN111632929 A CN 111632929A
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- cleaning
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- component
- oil inlet
- oil outlet
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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
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
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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
- B08B5/023—Cleaning travelling work
Abstract
The invention discloses automatic piston cleaning equipment and a method, wherein the equipment comprises a positioning block for bearing a piston, a conveyor belt for driving the positioning block to move, a limiting assembly for detecting and limiting the position of the positioning block, a cleaning assembly for cleaning the piston and a controller for controlling the actions of the cleaning assembly and the limiting assembly; the cleaning assembly comprises a top surface cleaning component, an excircle cleaning component, an inner cavity cleaning component, an oil inlet cleaning component and an oil outlet cleaning component. The automatic piston cleaning equipment provided by the invention is small in size, is suitable for arrangement at the tail of a machining production line, can be used for cleaning the top, the inner cavity, the outer circle and the cooling oil cavity of the piston in an all-around manner, and can be used for automatically transferring, positioning and cleaning the piston by using the positioning block, the conveyor belt and the limiting component, so that the labor is saved, the positioning is reliable, the cleaning is convenient, the cleaning effect is good, and the efficiency is high.
Description
Technical Field
The invention relates to the field of piston cleaning, in particular to automatic piston cleaning equipment and method.
Background
In order to improve the machining precision of the piston, emulsion needs to be added in the finish machining process, but the residues of cutting fluid and aluminum chips on the piston are avoided after the machining is finished, particularly, a cold cavity in the piston belongs to an annular closed cavity, and the residues of the cutting fluid, the aluminum chips and the like in the cold cavity are more difficult to remove. Without cleaning, the quality of the subsequent surface treatment and the risk of shedding of aluminum shavings in the engine are affected.
In the prior art, the cleaning is generally carried out manually, the efficiency is low, and the labor cost is high; or a rotary piston cleaning device is adopted for cleaning, the rotary piston automatic cleaning equipment has large volume, complex structure and low cleaning efficiency, and the residual cutting fluid and aluminum chips in the cooling oil cavity in the piston are difficult to clean thoroughly in the existing cleaning equipment.
Therefore, how to effectively improve the cleaning efficiency and cleanliness of the piston is a technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide automatic piston cleaning equipment and method, which are used for automatically cleaning pistons and have the advantages of high efficiency, comprehensive cleaning positions and high cleanliness.
In order to achieve the purpose, the invention provides the following technical scheme:
an automatic piston cleaning device comprises a positioning block for bearing a piston, a conveyor belt for driving the positioning block to move, a limiting assembly for detecting and limiting the position of the positioning block, a cleaning assembly for cleaning the piston and a controller for controlling the cleaning assembly and the limiting assembly to act; the cleaning assembly comprises a top surface cleaning component for cleaning the top surface of the piston top surface, an excircle cleaning component for cleaning the excircle of the piston, an inner cavity cleaning component for cleaning the inner cavity of the piston, an oil inlet cleaning component for cleaning the oil inlet of the piston and an oil outlet cleaning component for cleaning the oil outlet of the piston.
Preferably, the inner cavity cleaning component, the oil inlet hole cleaning component and the oil outlet hole cleaning component are all telescopic nozzle components which can be telescopic along the axial direction of the piston and respectively correspond to the positions of the inner cavity of the piston, the positions of the oil inlet hole and the positions of the oil outlet hole.
Preferably, the limiting assembly comprises a limiter and a magnetic suction limiting switch, a limiting groove and a magnet sensor are further arranged on the positioning block, the limiter is telescopic to be connected with or separated from the limiting groove in a clamped mode, and the magnetic suction limiting switch can be opened when corresponding to the position of the magnet sensor.
Preferably, the positioning block is provided with a positioning column and a plurality of supporting teeth, the positioning column can be matched with the pin hole of the piston, and the supporting teeth are provided with supporting inclined planes for supporting the outer circular surface of the piston.
Preferably, the outer circle cleaning part comprises an outer circle cleaning ring, the outer circle cleaning ring surrounds the outer periphery of the piston, and a plurality of small holes are formed in the side wall, close to the piston, of the outer circle cleaning ring; the cleaning assembly further comprises an axial cylinder and a radial cylinder, the axial cylinder is used for driving the excircle cleaning component to move along the axial direction of the piston, and the radial cylinder is used for driving the top surface cleaning component to move along the radial direction of the piston.
Preferably, the cleaning assembly comprises a water cleaning assembly and a gas cleaning assembly, and the water cleaning assembly and the gas cleaning assembly respectively comprise the top surface cleaning component, the outer circle cleaning component, the inner cavity cleaning component, the oil inlet cleaning component and the oil outlet cleaning component; and the water cleaning component and the air cleaning component are arranged along the conveying direction of the conveying belt.
Preferably, a material loading position, a waiting position, a water washing position, a gas washing position and a material taking position are sequentially arranged on the conveyor belt along the conveying direction of the conveyor belt; the water cleaning component is positioned at the water cleaning position, and the gas cleaning component is positioned at the gas cleaning position; the material loading position, the waiting position, the water washing cleaning position, the gas washing cleaning position and the material taking position are all provided with limiting assemblies.
Preferably, the material loading position is further provided with a photoelectric switch for detecting whether the piston is located on the positioning block or not, and a manipulator for moving the piston to the material loading position, and the controller is further used for controlling the manipulator to move.
A piston cleaning method comprising the steps of:
step S1-1: controlling the top surface cleaning component to move up and down, and cleaning the top of the piston by adopting high-pressure cleaning liquid of 2-4 Mpa;
step S2-1: controlling the excircle cleaning component to move back and forth, and cleaning the excircle surface of the piston by adopting 2-4MPa high-pressure cleaning liquid;
step S3-1: controlling the inner cavity cleaning component to go deep into the inner cavity of the piston, and cleaning the inner cavity of the piston by adopting 2-4MPa of high-pressure cleaning liquid;
step S4-1: sequentially controlling the oil inlet hole cleaning component and the oil outlet hole cleaning component to respectively penetrate into the oil inlet hole and the oil outlet hole of the piston, and respectively cleaning the oil inlet hole and the oil outlet hole of the piston by adopting a high-pressure cleaning solution with the pressure of 4-6 MPa;
step S5-1: after repeating the step S4-1 at least twice, the cleaning is ended.
Preferably, after the step S5-1, the method further includes:
step S1-2: controlling the top surface cleaning component to move up and down, and cleaning the top of the piston by adopting 0.4-0.6MPa compressed gas;
step S2-2: controlling the excircle cleaning component to move back and forth, and cleaning the excircle surface of the piston by using 0.4-0.6MPa compressed gas;
step S3-2: controlling the inner cavity cleaning component to penetrate into the inner cavity of the piston, and cleaning the inner cavity of the piston by adopting 0.4-0.6MPa of compressed gas;
step S4-2: sequentially controlling the oil inlet hole cleaning component and the oil outlet hole cleaning component to respectively penetrate into the oil inlet hole and the oil outlet hole of the piston, and respectively cleaning the oil inlet hole and the oil outlet hole of the piston by using 0.5-0.8MPa compressed gas;
step S5-2: after repeating the step S4-2 at least twice, the cleaning is ended.
The invention provides automatic piston cleaning equipment which comprises a positioning block, a conveyor belt, a limiting assembly, a cleaning assembly and a controller, wherein the positioning block is used for bearing a piston, the conveyor belt is used for driving the positioning block to move, the limiting assembly is used for detecting and limiting the position of the positioning block, the cleaning assembly is used for cleaning the piston, and the controller is used for controlling the cleaning assembly and the limiting assembly to act; the cleaning assembly comprises a top surface cleaning component for cleaning the top surface of the piston top surface, an excircle cleaning component for cleaning the excircle of the piston, an inner cavity cleaning component for cleaning the inner cavity of the piston, an oil inlet cleaning component for cleaning the oil inlet of the piston and an oil outlet cleaning component for cleaning the oil outlet of the piston. The automatic piston cleaning equipment provided by the invention is small in size, is suitable for arrangement at the tail of a machining production line, can be used for cleaning the top, the inner cavity, the outer circle and the cooling oil cavity of the piston in an all-around manner, and can be used for automatically transferring, positioning and cleaning the piston by utilizing the positioning block, the conveyor belt and the limiting assembly, so that the labor is saved, the positioning is reliable, the cleaning is convenient, the cleaning effect is good, and the efficiency is high.
In a preferred embodiment, the cleaning assembly comprises a water cleaning assembly and a gas cleaning assembly, and the water cleaning assembly and the gas cleaning assembly each comprise the top surface cleaning part, the outer circle cleaning part, the inner cavity cleaning part, the oil inlet cleaning part and the oil outlet cleaning part; and the water cleaning component and the air cleaning component are arranged along the conveying direction of the conveying belt. Above-mentioned setting, through the follow-up increase of water washing subassembly gas washing subassembly, gas washing subassembly's the process of blowing can with water stain after the water washing subassembly washs weathers, avoids water stain to cause secondary pollution in the transportation.
The piston cleaning method provided by the invention comprises the following steps: step S1-1: controlling the top surface cleaning component to move up and down, and cleaning the top of the piston by adopting high-pressure cleaning liquid of 2-4 Mpa; step S2-1: controlling the excircle cleaning component to move back and forth, and cleaning the excircle surface of the piston by adopting 2-4MPa high-pressure cleaning liquid; step S3-1: controlling the inner cavity cleaning component to go deep into the inner cavity of the piston, and cleaning the inner cavity of the piston by adopting 2-4MPa of high-pressure cleaning liquid; step S4-1: sequentially controlling the oil inlet hole cleaning component and the oil outlet hole cleaning component to respectively penetrate into the oil inlet hole and the oil outlet hole of the piston, and respectively cleaning the oil inlet hole and the oil outlet hole of the piston by adopting a high-pressure cleaning solution with the pressure of 4-6 MPa; step S5-1: after repeating the step S4-1 at least twice, the cleaning is ended. The piston cleaning method provided by the invention can be used for cleaning the top, the inner cavity, the excircle and the cooling oil cavity of the piston in all directions, and has the advantages of good cleaning effect and high efficiency.
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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of an automatic piston cleaning apparatus according to the present invention;
FIG. 2 is a schematic structural diagram of a cleaning assembly in the automatic piston cleaning apparatus provided by the present invention;
FIG. 3 is a schematic structural diagram of various processes in the automatic piston cleaning apparatus provided in the present invention;
FIG. 4 is a schematic structural diagram of a positioning block in the automatic piston cleaning apparatus provided in the present invention;
FIG. 5 is a schematic structural view of a top surface cleaning part in the automatic piston cleaning apparatus provided by the present invention;
FIG. 6 is a schematic top view of an automatic piston cleaning apparatus according to the present invention;
FIG. 7 is a schematic view of the overall structure of the automatic piston cleaning apparatus according to the present invention;
FIG. 8 is a flow chart of a piston cleaning method provided by the present invention;
wherein: a piston-1; a conveyor belt-2; a water pan-3; a positioning block-4; support teeth-4-1; a positioning column-4-2; 4-3 of a limiting groove; a transmitter-5; a receiver-6; magnetic suction limit switch-7; a limiter-8; a water tank-9; a magnet sensor-10; an oil inlet hole cleaning component-11; an inner chamber cleaning component-12; oil outlet cleaning part-13; top cleaning component-14; an excircle cleaning component-15; cleaning a ring-15-1 on the excircle; bracket-15-2; a manipulator-16.
Detailed Description
The core of the invention is to provide the automatic piston cleaning equipment and the automatic piston cleaning method, which can realize automatic piston cleaning, and have the advantages of high efficiency, comprehensive cleaning position and high cleanliness.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 8, fig. 1 is a schematic structural diagram of an embodiment of an automatic piston cleaning apparatus according to the present invention; FIG. 2 is a schematic structural diagram of a cleaning assembly in the automatic piston cleaning apparatus provided by the present invention; FIG. 3 is a schematic structural diagram of various processes in the automatic piston cleaning apparatus provided in the present invention; FIG. 4 is a schematic structural diagram of a positioning block in the automatic piston cleaning apparatus provided in the present invention; FIG. 5 is a schematic structural view of a top surface cleaning part in the automatic piston cleaning apparatus provided by the present invention; FIG. 6 is a schematic top view of an automatic piston cleaning apparatus according to the present invention; FIG. 7 is a schematic view of the overall structure of the automatic piston cleaning apparatus according to the present invention; FIG. 8 is a flow chart of a piston cleaning method provided by the present invention.
In this embodiment, the piston automatic cleaning device comprises a positioning block 4, a conveyor belt 2, a limiting assembly, a cleaning assembly and a controller.
The positioning block 4 is used for bearing the piston 1 and driving the piston 1 to move; the conveyor belt 2 is used for driving the positioning block 4 to move; the limiting assembly is used for detecting and limiting the position of the positioning block 4, and when the limiting assembly detects that the positioning block 4 moves to a target station, the position of the positioning block 4 can be locked, so that the piston 1 can be conveniently cleaned, and the position precision is ensured; the cleaning component is used for cleaning the piston 1; the controller is used for controlling the actions of the cleaning assembly and the limiting assembly, and specifically comprises the steps of controlling the opening and closing of each part in the cleaning assembly and locking and releasing the positioning block 4 by the limiting assembly.
Further, the cleaning assembly comprises a top surface cleaning component 14 for cleaning the top surface of the piston 1, an excircle cleaning component 15 for cleaning the excircle of the piston 1, an inner cavity cleaning component 12 for cleaning the inner cavity of the piston 1, an oil inlet hole cleaning component 11 for cleaning the oil inlet hole of the piston 1 and an oil outlet hole cleaning component 13 for cleaning the oil outlet hole of the piston 1. Preferably, the top surface cleaning component 14, the outer circle cleaning component 15, the inner cavity cleaning component 12, the oil inlet cleaning component 11 and the oil outlet cleaning component 13 are all nozzle components, that is, the top surface cleaning component 14 is a top surface cleaning nozzle, the outer circle cleaning component 15 is an outer circle cleaning nozzle, the inner cavity cleaning component 12 is an inner cavity cleaning nozzle, the oil inlet cleaning component 11 is an oil inlet cleaning nozzle, and is an oil outlet cleaning nozzle, wherein the top surface cleaning nozzle is preferably a cone-shaped structure, and the bottom of the cone faces the piston 1, so as to increase the cleaning and blowing range.
The automatic piston cleaning equipment provided by the invention is small in size, is suitable for arrangement at the tail of a machining production line, can be used for cleaning the top, the inner cavity, the outer circle and the cooling oil cavity of the piston 1 in an all-around manner, and can realize automatic transfer, positioning and cleaning of the piston 1 by using the positioning block 4, the conveyor belt 2 and the limiting assembly, so that the manpower is saved, the positioning is reliable, the cleaning is convenient, the cleaning effect is good, and the efficiency is high.
In addition to the above embodiments, the inner chamber cleaning unit 12, the oil inlet cleaning unit 11, and the oil outlet cleaning unit 13 are all retractable nozzle units, which are retractable in the axial direction of the piston 1 and correspond to the positions of the inner chamber of the piston 1, the oil inlet, and the oil outlet, respectively. Specifically, the inner cavity cleaning component 12 corresponds to the inner cavity position of the piston 1, the oil inlet hole cleaning component 11 corresponds to the oil inlet hole position of the piston 1, and the oil outlet hole cleaning component 13 corresponds to the oil outlet hole position of the piston 1; the inner chamber cleaning part 12, the oil inlet hole cleaning part 11, and the oil outlet hole cleaning part 13 are extendable and retractable in the axial direction of the piston 1 to move into or out of the corresponding inner chamber, oil inlet hole, or oil outlet hole.
On the basis of each embodiment, the limiting assembly comprises a limiter 8 and a magnetic suction limiting switch 7, the limiter 8 is connected with the positioning block 4 in a clamped mode, and the magnetic suction limiting switch 7 is used for detecting the position of the positioning block 4.
Specifically, the positioning block 4 is further provided with a limiting groove 4-3 and a magnet sensor 10, the limiting stopper 8 can stretch to be connected with or separated from the limiting groove 4-3 in a clamped mode, the magnetic suction limiting switch 7 can be opened when corresponding to the position of the magnet sensor 10, after the magnetic suction limiting switch 7 is opened, the magnetic suction limiting switch 7 is attached to the magnet sensor 10, the positioning block 4 stops moving, the limiting stopper 8 is controlled to move to be connected with the limiting groove 4-3 in a clamped mode, and the purpose of limiting the positioning block 4 is achieved. The limiting device 8 can be a limiting cylinder and can be deeply clamped with the limiting groove 4-3.
On the basis of the above embodiments, the positioning block 4 is provided with a positioning column 4-2 and a plurality of supporting teeth 4-1, the positioning column 4-2 can be matched with the pin hole of the piston 1, and the supporting teeth 4-1 are provided with supporting inclined surfaces for supporting the outer circular surface of the piston 1. Preferably, the limiting groove 4-3 is located in the middle of the positioning block 4, the two rows of supporting teeth 4-1 are provided, and the supporting teeth 4-1 located on the two sides of the limiting groove 4-3 form a V-shaped structure with an upward opening, so that the outer circular surface of the piston 1 can be effectively supported. The arrangement of the limiting groove 4-3 and the supporting teeth 4-1 is also beneficial to the flow of wastewater. The positioning block 4 is preferably made of plastic.
On the basis of the above embodiments, the outer circle cleaning component 15 includes an outer circle cleaning ring 15-1, the outer circle cleaning ring 15-1 surrounds the outer circumference of the piston 1, and the side wall of the outer circle cleaning ring 15-1 close to the piston 1 is provided with a plurality of small holes, and the small holes are arranged along the extending direction of the outer circle cleaning ring 15-1 to increase the cleaning and blowing range.
Further, the cleaning assembly further comprises an axial cylinder for driving the excircle cleaning component 15 to move along the axial direction of the piston 1, and a radial cylinder for driving the top surface cleaning component 14 to move along the radial direction of the piston 1.
Specifically, the excircle cleaning component 15 further comprises a support 15-2, the excircle cleaning ring 15-1 is mounted on the support 15-2, the support 15-2 is connected with an axial cylinder, and the axial cylinder can drive the support 15-2 to move and further drive the excircle cleaning ring 15-1 to move along the axial direction of the piston 1.
On the basis of the above embodiments, the bottom of the conveyor belt 2 is further provided with a water receiving tray 3 for receiving the waste water in the cleaning process and discharging the waste water through a water pipe.
In addition to the above embodiments, the cleaning device further includes a water tank 9 for supplying water to the top surface cleaning part 14, the outer circle cleaning part 15, the inner cavity cleaning part 12, the oil inlet hole cleaning part 11, and the oil outlet hole cleaning part 13, and a cleaning liquid may be added into the water tank 9.
On the basis of the above embodiments, the cleaning assembly comprises a water cleaning assembly and a gas cleaning assembly, and the water cleaning assembly and the gas cleaning assembly respectively comprise a top surface cleaning component 14, an excircle cleaning component 15, an inner cavity cleaning component 12, an oil inlet cleaning component 11 and an oil outlet cleaning component 13; and the water cleaning assembly and the air cleaning assembly are arranged along the conveying direction of the conveyor belt 2.
Above-mentioned setting, through the follow-up gas cleaning assembly that increases at water cleaning assembly, gas cleaning assembly's the process of blowing can be stained with the water after water cleaning assembly washs and weathers, avoids water stain to cause secondary pollution in the transportation. The cleaning assembly comprises a water cleaning assembly and a gas cleaning assembly, wherein the water cleaning assembly and the gas cleaning assembly respectively comprise a top surface cleaning part 14, an excircle cleaning part 15, an inner cavity cleaning part 12, an oil inlet cleaning part 11 and an oil outlet cleaning part 13; and the water cleaning assembly and the air cleaning assembly are arranged along the conveying direction of the conveyor belt 2. Above-mentioned setting, through the follow-up gas cleaning assembly that increases at water cleaning assembly, gas cleaning assembly's the process of blowing can be stained with the water after water cleaning assembly washs and weathers, avoids water stain to cause secondary pollution in the transportation.
On the basis of the above embodiments, the conveyor belt 2 is provided with a material loading position, a waiting position, a water cleaning position, a gas cleaning position and a material taking position in sequence along the conveying direction; the water cleaning component is positioned at the water cleaning position, and the gas cleaning component is positioned at the gas cleaning position; the material loading position, the waiting position, the water washing position, the gas washing position and the material taking position are all provided with limiting assemblies.
Further, a photoelectric switch used for detecting whether the piston 1 is positioned on the positioning block 4 or not and a manipulator 16 used for moving the piston 1 to the loading position are also arranged on the loading position, and the controller is also used for controlling the manipulator 16 to move. The photoelectric switch comprises a transmitter 5 and a receiver 6, and the transmitter 5 and the receiver 6 are respectively positioned at two ends of a diagonal line of the positioning block 4. Equally, get the material level and equally can set up photoelectric switch, when photoelectric switch detects not having piston 1 on getting the locating piece 4 on the material level, can release locating piece 4, locating piece 4 continues to the material level.
Specifically, the automatic piston cleaning device provided by the embodiment operates as follows:
the piston 1 to be cleaned is placed on the positioning block 4 at the material loading position, the receiver 6 cannot receive the light wave emitted by the emitter 5 at the moment, the magnetic absorption limit switch 7 is closed, the limiting stopper 8 moves backwards to release the positioning block 4, when the positioning block 4 moves to the waiting position, the magnetic absorption limit switch 7 senses the magnet sensor 10 on the positioning block 4, the limiting stopper 8 moves forwards to the notch of the limiting groove 4-3 of the positioning block 4 to stop the movement of the positioning block 4, when the completion of the cleaning of the previous piston 1 is detected, the magnetic absorption limit switch 7 is closed, the limiting stopper 8 returns to release the positioning block 4, after the piston 1 and the positioning block 4 move to the water cleaning position, the magnetic absorption limit switch 7 senses the magnet sensor 10 on the positioning block 4, the limiting stopper 8 moves forwards to the notch of the limiting groove 4-3 of the positioning block 4 to stop the movement of the positioning block 4, and the top surface cleaning nozzle passes through the, the top of the high-pressure water spray cleaning piston 1 and the excircle cleaning ring 15-1 move up and down, the excircle surface of the high-pressure water spray cleaning piston 1 is moved back and forth under the action of the axial cylinder, an inner cavity cleaning nozzle extends forwards out of the inner cavity of the high-pressure water spray cleaning piston 1, meanwhile, an oil inlet nozzle extends forwards out of an oil inlet inserted into a cooling oil cavity of the piston 1, then cleaning the oil inlet hole of the piston 1 by high-pressure water spraying, after the preset time, retracting the nozzle of the oil inlet hole backwards while the nozzle of the oil outlet hole forwards extends out of the oil outlet hole inserted into the cooling oil cavity of the piston 1, cleaning the oil outlet hole of the piston 1 by high-pressure water spraying, after the preset time, retracting the nozzle of the oil outlet hole while the nozzle of the oil inlet hole forwards extends out of the oil inlet hole inserted into the piston 1, then the oil inlet hole of the piston 1 is cleaned by high-pressure water spraying, after the preset time, the nozzle of the oil inlet hole retracts backwards, meanwhile, the nozzle of the oil outlet hole extends forwards and is inserted into the oil outlet hole of the piston 1 to perform high-pressure water spraying to clean the oil outlet hole of the piston 1;
after cleaning, the magnetic limit switch 7 is closed, the limit device 8 releases the positioning block 4 to the return position, the piston 1 and the positioning block 4 move to the air cleaning position, the magnetic limit switch 7 senses a magnet sensor 10 on the positioning block 4, the limit device 8 moves forward to a gap 4-3 of a limiting groove of the positioning block 4 to stop moving the positioning block 4, the top surface cleaning nozzle moves up and down by the action of a radial cylinder to perform high-pressure air blowing on the top of the piston 1, the outer circle cleaning ring 15-1 performs high-pressure air blowing on the outer circle surface of the piston 1 by the action of an axial cylinder by moving back and forth, the inner cavity cleaning nozzle extends forward to perform high-pressure air blowing on the inner cavity of the piston 1, the oil inlet nozzle extends forward to be inserted into the oil inlet of the piston 1, then the oil inlet of the piston 1 is subjected to high-pressure air blowing, after a preset time, the oil inlet nozzle retracts backward and the oil, after the preset time, the oil outlet nozzle retracts, meanwhile, the oil inlet nozzle extends forwards and is inserted into the oil inlet of the piston 1, then the oil inlet of the piston 1 is subjected to high-pressure air blowing, and after the preset time, the oil inlet nozzle retracts backwards, meanwhile, the oil outlet nozzle extends forwards and is inserted into the oil outlet of the piston 1, and the oil outlet of the piston 1 is subjected to high-pressure air blowing. Preferably, the predetermined time may be 1.5 to 2.5 seconds, preferably 2 seconds.
After the blowing is finished, the magnetic suction limit switch 7 is closed, and the limit stopper 8 releases the positioning block 4 to the return position; after the piston 1 and the positioning block 4 move to the material taking position, the magnetic suction limit switch 7 senses a magnet sensor 10 on the positioning block 4, and the 8.2 limiting device 8 moves forwards to a gap of a limiting groove 4-3 of the positioning block 4 to stop the movement of the positioning block 4, so that the cleaned piston 1 can be taken down.
Besides the automatic piston cleaning equipment, the invention also provides a piston cleaning method which is suitable for the automatic piston cleaning equipment. The piston cleaning method comprises the following steps:
step S1-1: controlling the top surface cleaning part to move up and down, and cleaning the top of the piston 1 by adopting high-pressure cleaning liquid of 2-4 Mpa;
step S2-1: controlling the excircle cleaning part to move back and forth, and cleaning the excircle surface of the piston 1 by adopting 2-4MPa high-pressure cleaning liquid;
step S3-1: controlling the inner cavity part to go deep into the inner cavity of the piston 1, and cleaning the inner cavity of the piston 1 by adopting 2-4MPa of high-pressure cleaning solution;
step S4-1: sequentially controlling an oil inlet hole cleaning part and an oil outlet hole cleaning part to respectively penetrate into an oil inlet hole and an oil outlet hole of the piston 1, and respectively cleaning the oil inlet hole and the oil outlet hole of the piston 1 by adopting a high-pressure cleaning solution with the pressure of 4-6 MPa;
step S5-1: after repeating step S4-1 at least twice, the cleaning is ended.
Further, after step S5-1, the method further includes:
step S1-2: controlling the top surface cleaning part to move up and down, and cleaning the top of the piston 1 by adopting 0.4-0.6MPa compressed gas;
step S2-2: controlling the excircle cleaning part to move back and forth, and cleaning the excircle surface of the piston 1 by using 0.4-0.6MPa compressed gas;
step S3-2: controlling the inner cavity part to go deep into the inner cavity of the piston 1, and cleaning the inner cavity of the piston 1 by adopting 0.4-0.6MPa of compressed gas;
step S4-2: sequentially controlling an oil inlet hole cleaning part and an oil outlet hole cleaning part to respectively penetrate into an oil inlet hole and an oil outlet hole of the piston 1, and respectively cleaning the oil inlet hole and the oil outlet hole of the piston 1 by adopting 0.5-0.8MPa compressed gas;
step S5-2: after repeating step S4-2 at least twice, the cleaning is ended.
Specifically, the piston cleaning method provided by the embodiment includes the following steps:
the top surface cleaning nozzle adopts 2-4MPa water to move up and down to clean the top of the piston 1, the excircle cleaning ring 15-1 adopts 2-4MPa water to move back and forth to clean the excircle surface of the piston 1, the inner cavity cleaning nozzle extends forwards to clean the inner cavity of the piston 1 by adopting 2-4MPa water high pressure water spraying, simultaneously, the oil inlet nozzle extends forwards to be inserted into the oil inlet hole of the piston 1, then, 4-6MPa high pressure water spraying is adopted to clean the oil inlet hole of the piston 1, water can flow out of the oil outlet hole, after the preset time, the oil inlet nozzle retracts backwards, simultaneously, the oil outlet nozzle extends forwards to be inserted into the oil outlet hole of the piston 1, 4-6MPa is adopted to clean the oil outlet hole of the piston 1 by adopting 4-6MPa water spraying, water can flow out of the oil outlet hole, after the preset time, the oil outlet nozzle retracts, simultaneously, the oil inlet nozzle, after the preset time, the nozzle of the oil inlet hole retracts backwards, the nozzle of the oil outlet hole extends forwards and is inserted into the oil outlet hole of the piston 1, the high-pressure water spraying is carried out to clean the oil outlet hole of the piston 1 under 4-6MPa, and the water can flow out of the oil outlet hole;
then the top surface cleaning nozzle blows air at high pressure of 0.4-0.6MPa to the top of the piston 1, the excircle cleaning ring 15-1 moves back and forth, blows air at high pressure of 0.4-0.6MPa to the excircle surface of the piston 1, the inner cavity cleaning nozzle extends forwards to blow air at high pressure of 0.4-0.6MPa to the inner cavity of the piston 1, simultaneously, the nozzle of the oil inlet extends forwards, the oil inlet of the piston 1 is inserted, high-pressure air blowing is carried out under the pressure of 0.5-0.8MPa, after the preset time, the nozzle of the oil inlet retracts backwards, meanwhile, the nozzle of the oil outlet extends forwards and is inserted into the oil outlet of the piston 1, high-pressure air blowing is adopted for the oil outlet of the piston 1 under 0.5-0.8MPa, after the preset time, the nozzle of the oil outlet retracts, simultaneously, the nozzle of the oil inlet extends forwards, the oil inlet of the piston 1 is inserted, high-pressure air blowing is adopted at 0.5-0.8MPa, after the preset time, the nozzle of the oil inlet retracts backwards, meanwhile, the nozzle of the oil outlet extends forwards and is inserted into the oil outlet of the piston 1, and high-pressure blowing of 0.5-0.8MPa is adopted for the oil outlet of the piston 1. Preferably, the predetermined time may be 1.5 to 2.5 seconds, preferably 2 seconds.
Specifically, the water spraying and air blowing processes are preferably realized by adopting two groups of cleaning assemblies, namely a water cleaning assembly and an air cleaning assembly, and the water cleaning assembly is positioned in the last process of the air cleaning assembly.
The piston cleaning method provided by the invention can be used for cleaning the top, the inner cavity, the excircle and the cooling oil cavity of the piston 1 in an all-around manner, and has the advantages of good cleaning effect and high efficiency.
The piston automatic cleaning device and the method provided by the invention are 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. The automatic piston cleaning equipment is characterized by comprising a positioning block (4) for bearing a piston (1), a conveyor belt (2) for driving the positioning block (4) to move, a limiting assembly for detecting and limiting the position of the positioning block (4), a cleaning assembly for cleaning the piston (1) and a controller for controlling the actions of the cleaning assembly and the limiting assembly; the cleaning assembly comprises a cleaning component (14) for cleaning the top surface of the piston (1), a cleaning component (15) for cleaning the excircle of the piston (1), a cleaning component (12) for cleaning the inner cavity of the piston (1), a cleaning component (11) for cleaning the oil inlet of the piston (1) and a cleaning component (13) for cleaning the oil outlet of the piston (1).
2. The automatic piston cleaning apparatus according to claim 1, wherein the inner chamber cleaning part (12), the oil inlet cleaning part (11), and the oil outlet cleaning part (13) are all telescopic nozzle parts, each telescopic nozzle part being capable of being telescopic in the axial direction of the piston (1) and corresponding to the positions of the inner chamber, the oil inlet, and the oil outlet of the piston (1), respectively.
3. The automatic piston cleaning equipment according to claim 1, wherein the limiting assembly comprises a limiter (8) and a magnetic suction limiting switch (7), a limiting groove (4-3) and a magnet sensor (10) are further arranged on the positioning block (4), the limiter (8) can stretch to be in clamping connection with or separated from the limiting groove (4-3), and the magnetic suction limiting switch (7) can be opened when corresponding to the position of the magnet sensor (10).
4. The automatic piston cleaning equipment according to claim 1, wherein a positioning column (4-2) and a plurality of supporting teeth (4-1) are arranged on the positioning block (4), the positioning column (4-2) can be matched with a pin hole of the piston (1), and a supporting inclined surface is arranged on the supporting teeth (4-1) and used for supporting the outer circular surface of the piston (1).
5. The automatic cleaning equipment for the piston as recited in claim 1, characterized in that the outer circle cleaning component (15) comprises an outer circle cleaning ring (15-1), the outer circle cleaning ring (15-1) surrounds along the outer circumference of the piston (1), and a plurality of small holes are arranged on the side wall of the outer circle cleaning ring (15-1) close to the piston (1); the cleaning assembly further comprises an axial cylinder for driving the excircle cleaning component (15) to move axially along the piston (1), and a radial cylinder for driving the top surface cleaning component (14) to move radially along the piston (1).
6. The automatic piston washing device according to any one of claims 1 to 5, characterized in that the washing assembly comprises a water washing assembly and a gas washing assembly, each of which comprises the top surface washing part (14), the outer circle washing part (15), the inner cavity washing part (12), the oil inlet washing part (11), and the oil outlet washing part (13); and the water cleaning component and the gas cleaning component are arranged along the conveying direction of the conveying belt (2).
7. The automatic piston cleaning equipment according to claim 6, characterized in that a material loading position, a waiting position, a water cleaning position, a gas cleaning position and a material taking position are arranged on the conveyor belt (2) along the conveying direction of the conveyor belt in sequence; the water cleaning component is positioned at the water cleaning position, and the gas cleaning component is positioned at the gas cleaning position; the material loading position, the waiting position, the water washing cleaning position, the gas washing cleaning position and the material taking position are all provided with limiting assemblies.
8. The automatic piston cleaning equipment according to claim 7, characterized in that an optoelectronic switch for detecting whether the piston (1) is located on the positioning block (4) or not and a manipulator (16) for moving the piston (1) to the feeding position are further arranged on the feeding position, and the controller is further used for controlling the manipulator (16) to move.
9. A piston cleaning method, comprising the steps of:
step S1-1: controlling the top surface cleaning component (14) to move up and down, and cleaning the top of the piston (1) by adopting high-pressure cleaning liquid of 2-4 Mpa;
step S2-1: controlling the excircle cleaning component (15) to move back and forth, and cleaning the excircle surface of the piston (1) by adopting 2-4MPa of high-pressure cleaning liquid;
step S3-1: controlling the inner cavity cleaning component (12) to go deep into the inner cavity of the piston (1), and cleaning the inner cavity of the piston (1) by adopting 2-4MPa of high-pressure cleaning liquid;
step S4-1: sequentially controlling the oil inlet hole cleaning component (11) and the oil outlet hole cleaning component (13) to respectively penetrate into the oil inlet hole and the oil outlet hole of the piston (1), and respectively cleaning the oil inlet hole and the oil outlet hole of the piston (1) by adopting a high-pressure cleaning liquid with pressure of 4-6 MPa;
step S5-1: after repeating the step S4-1 at least twice, the cleaning is ended.
10. The piston automatic cleaning apparatus according to claim 9, further comprising, after the step S5-1:
step S1-2: controlling the top surface cleaning component (14) to move up and down, and cleaning the top of the piston (1) by adopting 0.4-0.6MPa of compressed gas;
step S2-2: controlling the excircle cleaning component (15) to move back and forth, and cleaning the excircle surface of the piston (1) by using 0.4-0.6MPa of compressed gas;
step S3-2: controlling the inner cavity cleaning component (12) to go deep into the inner cavity of the piston (1), and cleaning the inner cavity of the piston (1) by adopting 0.4-0.6MPa of compressed gas;
step S4-2: sequentially controlling the oil inlet hole cleaning component (11) and the oil outlet hole cleaning component (13) to respectively penetrate into the oil inlet hole and the oil outlet hole of the piston (1), and respectively cleaning the oil inlet hole and the oil outlet hole of the piston (1) by adopting 0.5-0.8MPa of compressed gas;
step S5-2: after repeating the step S4-2 at least twice, the cleaning is ended.
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| CN202010529687.3A CN111632929A (en) | 2020-06-11 | 2020-06-11 | Automatic piston cleaning equipment and method |
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| CN202010529687.3A CN111632929A (en) | 2020-06-11 | 2020-06-11 | Automatic piston cleaning equipment and method |
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| CN111632929A true CN111632929A (en) | 2020-09-08 |
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Application publication date: 20200908 |