CN112317438A - Engine cylinder body deep hole cleaning device and method - Google Patents
Engine cylinder body deep hole cleaning device and method Download PDFInfo
- Publication number
- CN112317438A CN112317438A CN202011249299.6A CN202011249299A CN112317438A CN 112317438 A CN112317438 A CN 112317438A CN 202011249299 A CN202011249299 A CN 202011249299A CN 112317438 A CN112317438 A CN 112317438A
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- pipe
- cleaning
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- engine
- compressed air
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Classifications
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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
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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
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/083—Deburring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
- B24C7/0046—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier
- B24C7/0053—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier with control of feed parameters, e.g. feed rate of abrasive material or carrier
- B24C7/0061—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier with control of feed parameters, e.g. feed rate of abrasive material or carrier of feed pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
- B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
- B08B2203/0217—Use of a detergent in high pressure cleaners; arrangements for supplying the same
Abstract
A device and a method for cleaning a deep hole of an engine cylinder body comprise a connecting pipe, a compressed air pump, a nylon sand feeding device and a cleaning device, wherein one end of the connecting pipe is provided with a joint; an outlet pipe of the compressed air pump is connected with a blowing pipe; the nylon sand feeding device comprises a feeding pipe and a storage tank, the feeding pipe is connected with the connecting pipe and the blowing pipe, nylon sand is stored in the storage tank, and an outlet pipe of the storage tank is connected with the feeding pipe; the cleaning device comprises a cleaning liquid tank, a flushing water tank and a high-pressure water pump, wherein the cleaning liquid tank and the flushing water tank are connected with an inlet pipeline of the high-pressure water pump, and an outlet of the high-pressure water pump is communicated with the blowing pipe. The invention can not be limited by the depth and the shape of the hole, the compressed air is used for driving the nylon sand to collide and grind the burrs remained in the oil passage hole of the engine, the residual burrs in the deep hole are effectively removed, and the impurities in the oil passage hole of the engine are thoroughly cleaned by high-pressure spraying, so that the assembly precision of the engine cylinder body is improved, the performance of the engine is improved, and the service life of the engine is prolonged.
Description
Technical Field
The invention relates to the technical field of engine cylinder body processing, in particular to a deep hole cleaning device and method for an engine cylinder body.
Background
Along with the development of the production and manufacturing technology of the engine, the production efficiency of the engine is higher and higher, in the machining process of the engine cylinder body, dust impurities attached to the upper surface of the engine cylinder body and iron scraps generated in machining can enter deep holes such as an oil passage hole of the engine cylinder body, and the machining precision of the oil passage hole of the engine cylinder body can be influenced by the dust and the iron scraps, so that the engine cylinder body needs to be cleaned before and after machining, and the oil passage hole of the engine cylinder body is mainly combined and applied by high-pressure spraying and ultrasonic waves at present.
However, when the engine cylinder block is machined, some burrs often remain in deep holes of an oil passage hole of the engine cylinder block, the burrs in the deep holes cannot be completely removed by existing cleaning, the remaining burrs can affect the assembly precision of the engine cylinder block, and further certain influences are caused on the performance and the service life of the engine.
Disclosure of Invention
In order to solve the problems, the invention provides a device and a method for cleaning a deep hole of an engine cylinder body, which can be free from the limitation of the depth and the shape of a hole, utilize compressed air to drive nylon sand to collide and grind burrs remained in an oil channel hole of an engine, effectively remove the residual burrs in the deep hole, and thoroughly clean impurities in the oil channel hole of the engine through high-pressure spraying, thereby improving the assembly precision of the engine cylinder body, and improving the performance and the service life of the engine.
The technical scheme adopted by the invention to solve the technical problems is as follows:
a deep hole cleaning device for an engine cylinder body comprises a connecting pipe, a compressed air pump, a cleaning device and a nylon sand feeding device, wherein the connecting pipe is provided with a first cleaning valve, and one end of the connecting pipe is provided with a joint for communicating an oil passage hole of an engine;
an outlet pipe of the compressed air pump is connected with a blowing pipe, and an air valve is arranged on the outlet pipe of the compressed air pump;
the nylon sand feeding device comprises a feeding pipe and a storage tank, one end of the feeding pipe is connected with the connecting pipe, the other end of the feeding pipe is connected with the blowing pipe, nylon sand is stored in the storage tank, an outlet pipe of the storage tank is connected to the feeding pipe, and a feeding valve is arranged on an outlet of the storage tank;
the cleaning device comprises a cleaning liquid box, a flushing water tank and a high-pressure water pump, wherein a cleaning liquid pipe with a cleaning liquid valve is arranged at the outlet of the cleaning liquid box, a flushing water pipe with a flushing valve is arranged at the outlet of the flushing water tank, the inlet of the high-pressure water pump is connected with the cleaning liquid pipe and the flushing water pipe through a three-way joint, and the outlet of the high-pressure water pump is communicated with the blowing pipe through a cleaning pipe with a second cleaning valve.
Furthermore, the inlet pipe includes that both ends are connected respectively the variable cross section pipe on the inlet pipe, the cross-section of variable cross section pipe is that both ends are to middle shrink form, the outlet pipe of holding vessel is connected on the variable cross section pipe.
Further, engine cylinder body deep hole belt cleaning device still includes nylon sand recovery unit, nylon sand recovery unit includes the casing, and casing upper portion is equipped with the import pipe, is equipped with the joint that is used for communicateing the engine oil duct hole in the import pipe, and the inside of casing is equipped with the filter plate that is used for holding back the nylon sand.
Furthermore, the lower part of the shell is provided with an exhaust pipe and an outlet pipe which are respectively provided with a valve, and the outlet pipe is communicated with a cleaning solution recovery tank through a cleaning solution recovery pipe.
Further, the high-pressure water pump is a variable-frequency water pump.
A method for cleaning a deep hole of an engine cylinder block comprises the following steps:
the method comprises the following steps: fixing the engine cylinder body, and communicating the joint of the connecting pipe on an engine oil passage hole;
step two: opening a first cleaning valve and an air valve, starting a compressed air pump, opening a feeding valve, removing burrs of nylon sand passing through an engine oil passage hole along with compressed air, closing the feeding valve, stopping the compressed air pump, and closing the air valve;
step three: opening a second cleaning valve and a cleaning liquid valve, starting a high-pressure water pump to clean impurities in an oil passage hole of the engine by using the cleaning liquid, then stopping the high-pressure water pump, and closing the cleaning liquid valve;
step four: opening a flushing valve, starting a high-pressure water pump to flush an oil passage hole of the engine by using clean water, then stopping the high-pressure water pump, and closing the flushing valve and a cleaning liquid valve;
step five: opening an air valve, starting a compressed air pump to purge an oil passage hole of the engine by using compressed air, and then stopping the compressed air pump;
step six: and closing the air valve and the first cleaning valve, and taking the joint of the connecting pipe away from the oil passage hole of the engine.
Further, the particle size of the nylon sand in the second step is 0.75mm-1.5 mm.
Further, the time for deburring in the second step is 1-2 min.
Further, the pressure of the compressed air in the step two is 1.0MPa-2.0 MPa.
The invention has the beneficial effects that:
1. the invention is provided with the nylon sand feeding device, the compressed air is used for driving the nylon sand to pass through the engine oil passage hole, the residual burrs are removed from the deep part of the engine oil passage hole by the collision of the nylon sand and the residual burrs and the grinding of the residual burrs by the nylon sand, the limitation of the length and the size of the engine oil passage hole is avoided, the residual burrs in the deep hole are effectively removed, and meanwhile, the matching of the nylon sand and the compressed air cannot damage the base body of the engine oil passage hole, so that the assembly precision of an engine cylinder body is improved, the performance of the engine is improved, and the service life of the engine is prolonged.
2. The invention is provided with the cleaning device, and the impurities in the oil passage hole of the engine and the residual burrs removed by nylon sand are thoroughly cleaned by successively spraying cleaning liquid and flushing liquid by using the high-pressure water pump, so that the integrated operation of removing the burrs and cleaning is realized, the assembly precision of the engine cylinder body is further improved, the performance of the engine is improved, and the service life of the engine is prolonged.
3. The nylon sand recovery device is arranged at the outlet of the engine oil passage hole, the nylon sand is recovered and reused through the filter plate, and the cleaning solution recovery box is connected with the nylon sand recovery device, so that the cleaning solution can be recovered, and the production cost is reduced to the greatest extent.
4. The nylon sand provided by the invention is made of a material which does not damage the base body of the oil passage hole of the engine, the nylon sand with the size of 0.75mm-1.5mm is a regular hexahedron, and the probability that residual burrs are ground or collided and removed from the oil passage hole of the engine by the nylon sand can be effectively increased by a relatively cylindrical or spherical structure, so that the burr removal effect is improved, the assembly precision of the engine cylinder body is improved, and the performance and the service life of the engine are improved.
5. The invention selects the compressed air with the pressure of 1.0-2.0 MPa, ensures the collision force of the nylon sand and the engine oil passage hole, and avoids the damage of the engine oil passage hole or the nylon sand caused by overlarge collision force.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a nylon sand feeding device;
FIG. 3 is a schematic structural view of a nylon sand recovery device.
The labels in the figure are: 1. the device comprises a nylon sand recovery device, 101, a filter plate, 102, a shell, 103, an inlet pipe, 104, an outlet pipe, 105, an exhaust pipe, 2, a joint, 3, an engine cylinder body, 301, an engine oil channel hole, 4, a connecting pipe, 5, a first cleaning valve, 6, a feed pipe, 601, a variable cross-section pipe, 7, a storage tank, 701, nylon sand, 8, a feed valve, 9, a blowing pipe, 10, an air valve, 11, a compressed air pump, 12, a second cleaning valve, 13, a cleaning pipe, 14, a high-pressure water pump, 15, a tee joint, 16, a cleaning liquid pipe, 17, a cleaning liquid valve, 18, a cleaning liquid tank, 19, a cleaning liquid recovery tank, 20, a cleaning liquid recovery pipe, 21, a cleaning water pipe, 22, a cleaning valve, 23 and a cleaning water tank.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
The utility model provides an engine cylinder body deep hole belt cleaning device, includes connecting pipe 4, compressed air pump 11, belt cleaning device and nylon sand feed arrangement, connecting pipe 4 is equipped with first washing valve 5, and the one end of connecting pipe 4 is equipped with and is used for communicateing engine oil duct hole 301 and connect 2, and during concrete implementation, this connects 2 engine oil duct hole 301 phase-matchs with engine cylinder body 3, and connecting pipe 4 can set to extending structure to better when using connect 2 intercommunication engine oil duct holes 301.
The outlet of the compressed air pump 11 is connected with a blowing pipe 9, an air valve 10 is arranged on the outlet of the compressed air pump 11, and the compressed air pump 11 can select a machine type with the working pressure of 0.5MPa-0.6 MPa;
the nylon sand feeding device comprises a feeding pipe 6 and a storage tank 7, one end of the feeding pipe 6 is connected with the connecting pipe 4, the other end of the feeding pipe 6 is connected with the blowing pipe 9, namely the connecting pipe 4 is communicated with the blowing pipe 9 through the feeding pipe 6, in the concrete implementation, the feeding pipe 6 comprises a variable cross-section pipe 601 with two ends respectively connected to the feeding pipe 6, the variable cross-section pipe 601 can be integrally manufactured with the feeding pipe 6, the cross section of the variable cross-section pipe 601 is in a shape that two ends are contracted towards the middle, nylon sand 701 is stored in the storage tank 7, an outlet of the storage tank 7 is connected to the variable cross-section pipe 601, a feeding valve 8 is arranged on an outlet of the variable cross-section pipe 601, the feeding valve 8 is opened, when the nylon sand 701 in the storage tank 7 falls downwards into the variable cross-section pipe 601, compressed air from a compressed air pump 11 can, the initial speed of the nylon sand 701 to the connecting pipe can be increased, and the cleaning of residual burrs is facilitated;
the cleaning device comprises a cleaning liquid tank 18, a flushing water tank 23 and a high-pressure water pump 14, a cleaning liquid pipe 16 with a cleaning liquid valve 17 is arranged at the outlet of the cleaning liquid tank 18, a flushing water pipe 21 with a flushing valve 22 is arranged at the outlet of the flushing water tank 23, the high-pressure water pump 14 can be a variable frequency pump to better adapt to frequent start and stop operations, the inlet of the high-pressure water pump 14 is connected with the cleaning liquid pipe 16 and the flushing water pipe 21 through a three-way joint 15, the outlet of the high-pressure water pump 14 is communicated with the blowing pipe 9 through a cleaning pipe 13 with a second cleaning valve 12, through the way, the cleaning device can be connected with a connecting pipe 4 and a nylon sand feeding device together, the compressed air pump 11 drives nylon sand 701 to perform burr removal on an engine oil passage hole 301, the cleaning device can be switched to the cleaning device in time, the integrated operation of burr removal and cleaning is realized, and the cleaning device is used for thoroughly cleaning impurities and fallen burrs in the, the assembly precision of the engine cylinder body is improved, and the performance and the service life of the engine are improved.
According to the invention, the compressed air is used for driving the nylon sand 701 to pass through the engine oil passage hole 301, the residual burrs are removed from the deep part of the engine oil passage hole 301 through the collision between the nylon sand 701 and the residual burrs and the grinding of the residual burrs by the nylon sand 701, the aerodynamic carrier can be used for avoiding the limitation of the length and the size of the engine oil passage hole 301, the residual burrs in the deep hole are effectively removed, meanwhile, the base body of the engine oil passage hole 301 cannot be damaged due to the matching of the nylon sand and the compressed air, so that the assembly precision of an engine cylinder body is improved, and the performance and the service life of the engine are improved.
Further, the engine cylinder deep hole cleaning device further comprises a nylon sand recovery device 1, the nylon sand recovery device 1 comprises a shell 102, an inlet pipe 103 is arranged at the upper part of the shell 102, a connector 2 used for being communicated with an engine oil passage hole 301 is arranged on the inlet pipe 103, a filter plate 101 used for intercepting nylon sand 701 is arranged inside the shell 102, an exhaust pipe 105 and an outlet pipe 104 which are respectively provided with a valve are arranged at the lower part of the shell 102, the outlet pipe 104 is communicated with a cleaning solution recovery tank 19 through a cleaning solution recovery pipe 20, the nylon sand recovery device 1 is connected to a cleaning outlet of the engine oil passage hole 301 through the connector 2, the specification of a filter screen in the filter plate 101 meets the requirement of collecting the nylon sand 701, namely only the nylon sand 701 needs to be filtered for recycling, water or air can be discharged through the outlet pipe 104 or the exhaust pipe 105 at the bottom part, in specific implementation, the exhaust pipe 105 is opened, the outlet pipe 104 is closed, when the engine oil passage hole 301 is cleaned by the cleaning liquid, the outlet pipe 104 can be opened, the exhaust pipe 105 is closed, and the cleaning liquid is collected by the cleaning liquid recovery tank 19, so that the cleaning liquid can be recovered and recycled, and the production cost is reduced.
A method for cleaning a deep hole of an engine cylinder block comprises the following steps:
the method comprises the following steps: the engine cylinder body 3 is fixed, the joint 2 of the connecting pipe 4 is fixedly communicated with the engine oil passage hole 301, and in the specific implementation, the telescopic connecting pipe 4 can be used for facilitating the fixedly communicated joint 2.
Step two: opening a first cleaning valve 5 and an air valve 10, starting a compressed air pump 11, opening a feeding valve 8, and cleaning burrs of the nylon sand 701 along with the passing of compressed air in an engine oil passage hole 301, wherein in specific implementation, the pressure of the compressed air can be selected from 1.0MPa to 2.0MPa, so that the collision force of the nylon sand 701 and the engine oil passage hole is ensured, the damage of the engine oil passage hole or the damage of the nylon sand 701 caused by overlarge collision force is avoided, the removal effect of residual burrs is influenced, the burr cleaning time can be selected according to the specific size of the engine oil passage hole 301, the nylon sand 701 is continuously fed for 1-2min under general conditions, then the feeding valve 8 is closed, the compressed air pump 11 is stopped, and the air valve 10 is closed;
step three: opening the second cleaning valve 12 and the cleaning liquid valve 17, starting the high-pressure water pump 14, and cleaning impurities in the engine oil passage hole 301 by using the cleaning liquid, wherein in the specific implementation, the temperature and the pH value of the cleaning liquid can be controlled to improve the cleaning effect of removing the impurities in the engine oil passage hole 301 and removing residual burrs from the inner wall of the oil passage hole, the cleaning of the impurities is facilitated by properly improving the temperature and the pH value of the cleaning liquid, the high-pressure water pump 14 is stopped after the cleaning is carried out for a period of time, in the specific implementation, the cleaning time can be selected to be 3-5min according to the temperature and the pH value of the cleaning liquid, and then the cleaning liquid valve 17 is closed;
step four: opening the flushing valve 22, starting the high-pressure water pump 14 to flush the engine oil passage hole 301 with clean water, then stopping the high-pressure water pump 14, and closing the flushing valve 22 and the cleaning liquid valve 17;
step five: opening the air valve 10, starting the compressed air pump 11, blowing the engine oil passage hole 301 by using compressed air, quickly drying the inner wall of the engine oil passage hole 301 by using the compressed air, and then stopping the compressed air pump 11;
step six: the air valve 22 and the first purge valve 5 are closed, and the joint 2 of the connection pipe 4 is removed from the engine oil passage hole 301.
Further, the particle size of the nylon sand 701 in the second step is 0.75mm-1.5 mm. The nylon sand 701 cannot damage the base body of the engine oil passage hole, the nylon sand with the size of 0.75mm-1.5mm is a regular hexahedron, and the structure of the regular hexahedron is relative to nylon sand with a cylindrical or spherical structure under the movement of compressed air serving as a carrier, so that the probability that the nylon sand 701 grinds residual burrs or collides and is removed from the engine oil passage hole can be effectively increased, the removal effect of the residual burrs in the engine oil passage hole 301 is improved, the assembly precision of an engine cylinder body is improved, and the performance and the service life of an engine are improved.
It should be noted that the above embodiments are only for illustrating the present invention, but the present invention is not limited to the above embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention fall within the protection scope of the present invention.
Claims (9)
1. The deep hole cleaning device for the engine cylinder body is characterized by comprising a connecting pipe (4), a compressed air pump (11), a nylon sand feeding device and a cleaning device, wherein the connecting pipe (4) is provided with a first cleaning valve (5), and one end of the connecting pipe (4) is provided with a connector (2) used for communicating an engine oil passage hole (301);
the outlet of the compressed air pump (11) is connected with a blowing pipe (9), and an air valve (10) is arranged on the outlet of the compressed air pump (11);
the nylon sand feeding device comprises a feeding pipe (6) and a storage tank (7), one end of the feeding pipe (6) is connected with the connecting pipe (4), the other end of the feeding pipe is connected with the blowing pipe (9), nylon sand (701) is stored in the storage tank (7), an outlet of the storage tank (7) is connected to the feeding pipe (6), and a feeding valve (8) is arranged on an outlet of the storage tank (7);
the cleaning device comprises a cleaning liquid box (18), a flushing water tank (23) and a high-pressure water pump (14), wherein a cleaning liquid pipe (16) with a cleaning liquid valve (17) is arranged at an outlet of the cleaning liquid box (18), a flushing water pipe (21) with a flushing valve (22) is arranged at an outlet of the flushing water tank (23), an inlet of the high-pressure water pump (14) is connected with the cleaning liquid pipe (16) and the flushing water pipe (21) through a three-way joint (15), and an outlet of the high-pressure water pump (14) is communicated with the blowing pipe (9) through a cleaning pipe (13) with a second cleaning valve (12).
2. The deep hole cleaning device for the engine cylinder block as claimed in claim 1, wherein the feeding pipe (6) comprises a variable cross-section pipe (601) with two ends respectively connected to the feeding pipe (6), the cross section of the variable cross-section pipe (601) is in a shape that two ends are contracted towards the middle, and the outlet pipe of the storage tank (7) is connected to the variable cross-section pipe (601).
3. The engine cylinder deep hole cleaning device according to claim 1, characterized by further comprising a nylon sand recovery device (1), wherein the nylon sand recovery device (1) comprises a shell (102), an inlet pipe (103) is arranged at the upper part of the shell (102), a connector (2) for communicating with an engine oil passage hole (301) is arranged on the inlet pipe (103), and a filter plate (101) for intercepting nylon sand (701) is arranged inside the shell (102).
4. The deep hole cleaning device for the engine cylinder block as claimed in claim 3, characterized in that the lower part of the shell (102) is provided with an exhaust pipe (105) and an outlet pipe (104) which are respectively provided with a valve, and the outlet pipe (104) is communicated with a cleaning solution recovery tank (19) through a cleaning solution recovery pipe (20).
5. The deep hole cleaning device for the engine cylinder block as claimed in claim 1, characterized in that the high-pressure water pump (14) is a variable frequency water pump.
6. A method for cleaning a deep hole of an engine cylinder body is characterized by comprising the following steps:
the method comprises the following steps: fixing an engine cylinder body (3), and communicating a joint (2) of a connecting pipe (4) on an engine oil passage hole (301);
step two: opening a first cleaning valve (5) and an air valve (10), starting a compressed air pump (11), opening a feeding valve (8), cleaning burrs of the nylon sand (701) passing through an engine oil passage hole (301) along with compressed air, closing the feeding valve (8), stopping the compressed air pump (11) and closing the air valve (10);
step three: opening a second cleaning valve (12) and a cleaning liquid valve (17), starting a high-pressure water pump (14) to clean impurities in the engine oil passage hole (301) by using cleaning liquid, then stopping the high-pressure water pump (14), and closing the cleaning liquid valve (17);
step four: opening a flushing valve (22), starting a high-pressure water pump (14) to flush an oil passage hole (301) of the engine by using clean water, then stopping the high-pressure water pump (14), and closing the flushing valve (22) and a cleaning liquid valve (17);
step five: opening an air valve (10), starting a compressed air pump (11), purging an engine oil passage hole (301) by using compressed air, and then stopping the compressed air pump (11);
step six: and closing the air valve (22) and the first cleaning valve (5), and taking the joint (2) of the connecting pipe (4) out of the engine oil passage hole (301).
7. The engine block deep hole cleaning method according to claim 6, wherein the particle size of the nylon sand (701) in the second step is 0.75mm-1.5 mm.
8. The engine block deep hole cleaning method according to claim 6, wherein the time for cleaning the burrs in the second step is 1-2 min.
9. The method for cleaning the deep hole of the engine cylinder body according to claim 6, wherein the pressure of the compressed air in the second step is 1.0MPa to 2.0 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011249299.6A CN112317438A (en) | 2020-11-10 | 2020-11-10 | Engine cylinder body deep hole cleaning device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011249299.6A CN112317438A (en) | 2020-11-10 | 2020-11-10 | Engine cylinder body deep hole cleaning device and method |
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| Publication Number | Publication Date |
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| CN112317438A true CN112317438A (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011249299.6A Pending CN112317438A (en) | 2020-11-10 | 2020-11-10 | Engine cylinder body deep hole cleaning device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113546896A (en) * | 2021-06-21 | 2021-10-26 | 南京信息职业技术学院 | Valve cabinet self-cleaning equipment |
-
2020
- 2020-11-10 CN CN202011249299.6A patent/CN112317438A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113546896A (en) * | 2021-06-21 | 2021-10-26 | 南京信息职业技术学院 | Valve cabinet self-cleaning equipment |
| CN113546896B (en) * | 2021-06-21 | 2022-09-20 | 南京信息职业技术学院 | Valve cabinet self-cleaning equipment |
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