CN114682592B - Cleaning process and device for oil return cavity and clamping equipment - Google Patents
Cleaning process and device for oil return cavity and clamping equipment Download PDFInfo
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- CN114682592B CN114682592B CN202210337006.2A CN202210337006A CN114682592B CN 114682592 B CN114682592 B CN 114682592B CN 202210337006 A CN202210337006 A CN 202210337006A CN 114682592 B CN114682592 B CN 114682592B
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- oil return
- return cavity
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- cylinder body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks 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
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
Abstract
The invention discloses a cleaning process, a device and clamping equipment for an oil return cavity, wherein the cleaning process comprises the following steps: s1, the robot drives the clamping equipment to grab and clamp the engine cylinder. And S2, moving the engine cylinder to the cleaning device through the robot. And S3, injecting water into the oil return cavity through a water injection pipe to realize primary cleaning of the oil return cavity. And S4, after the primary cleaning is finished, moving the engine cylinder body to the cleaning device. And S5, driving the water injection pipe to inject water into the oil return cavity again by the cleaning device, and increasing the water pressure inside the oil return cavity to thoroughly wash the oil return cavity. Aiming at the problem that the internal structure of the oil return cavity of the cylinder body is complex and difficult to clean, the invention effectively cleans the inner wall and each corner of the oil return cavity by adopting an elastic sealing cleaning mode, the cleaning agent has the advantages of effectively removing falling molding sand and residual particle impurities, having large cleaning flow, high cleaning pressure and obvious cleaning effect, and effectively ensuring the achievement of the cleanliness index of an oil return cavity of the cylinder body.
Description
Technical Field
The invention relates to the technical field of cleaning of engine cylinder bodies, in particular to a cleaning process, a cleaning device and clamping equipment for an oil return cavity.
Background
The engine cylinder body oil return cavity is a cavity channel for returning lubricating oil used by a moving part of a cylinder cover to an oil pan of the cylinder body, and the structural design of the engine cylinder body oil return cavity needs to comprehensively consider the influence of an oil passage and peripheral auxiliary hole surfaces and often presents a winding form. The complicated inner structure in oil return chamber inevitably can increase the cast degree of difficulty, produces the desanding easily and influences the whole cleanliness of cylinder body, and for guaranteeing oil return chamber's cleaning performance, reasonable effectual cleaning process is essential key link.
The existing cleaning technology of the oil return cavity is divided into two types: one is spray rod insertion type cleaning, the rear end of the spray rod is connected with a water pipe, the front end is processed with a water outlet hole, inserting the spray rod into the oil return cavity, and washing the inner wall of the cavity; the other type of the washing is that the cylinder body is placed in a water tank, and water passes through an oil return cavity to play a washing effect through continuous shaking; the prior spray rod insertion type cleaning is limited by the influence of an oil return cavity structure, the diameter of a spray rod is smaller, the insertion depth is limited, the coverage surface is narrow, the water flow of a cavity with a longer distance is smaller, and the cleaning effect is poorer; the existing rinsing process has the defects that the pressure of water flow entering the oil return cavity is very low, impurities in a deeper corner cannot be cleaned, and the cleaning effect is poor.
Therefore, how to provide a process and a device capable of effectively cleaning an oil return cavity in an engine cylinder becomes a technical problem to be solved urgently in the field.
Disclosure of Invention
The invention aims to provide a cleaning process, a cleaning device and clamping equipment for an oil return cavity, which can solve the problems, the cleaning effect of all-round no dead angle can also be played to the oil return chamber in the engine cylinder body.
According to a first aspect of the invention, a cleaning process of an oil return cavity is provided, which comprises the following steps:
s1, a robot drives a clamping device to grab and clamp an engine cylinder body, and a spring sealing assembly at the bottom of the clamping device elastically plugs the bottom of an oil return cavity of the engine cylinder body;
s2, moving the engine cylinder body to the cleaning device through the robot, and enabling a water injection pipe of the cleaning device to correspond to an oil return cavity on the engine cylinder body;
s3, injecting water into the oil return cavity through a water injection pipe to realize primary cleaning of the oil return cavity;
s4, after the primary cleaning is finished, moving the engine cylinder body to the cleaning device, and a water injection pipe of the cleaning device is in contact seal with an oil return cavity on the engine cylinder body;
and S5, the cleaning device drives the water injection pipe to inject water into the oil return cavity again, the water pressure inside the oil return cavity is increased until the water pressure at the bottom of the oil return cavity is greater than the spring force of the spring sealing assembly, and accumulated water in the oil return cavity is discharged to thoroughly wash the oil return cavity.
Alternatively, according to the oil return chamber cleaning process of the present invention, in S3, the preliminary cleaning specifically comprises the following steps:
at least one of the group S31, the cleaning device injects water into the oil return cavity for a period of time through the water injection pipe;
and S32, the robot drives the engine cylinder to be far away from the cleaning device through the clamping equipment, drives the cylinder to move up and down or/and rotate, and cleans the inner wall of the oil return cavity by means of inertia force and centrifugal force.
Alternatively, according to the oil return chamber cleaning process of the present invention, the water injection time in the primary cleaning is 10-15 seconds.
Alternatively, according to the oil return chamber cleaning process of the present invention, in S5, the thorough flushing specifically includes the following steps:
s51, the cleaning device carries out continuous sealed water injection in the oil return cavity through a water injection pipe, until the water pressure at the bottom of the oil return cavity is greater than the spring force of the spring seal assembly;
s52, when the spring sealing assembly of the clamping device is flushed by water pressure in the oil return cavity, the cleaning device injects water into the oil return cavity for a period of time through the water injection pipe;
and S53, the robot drives the engine cylinder to be far away from the cleaning device through the clamping device, and drives the cylinder to rotate 180 degrees along the direction of the top bottom surface, so that the water remained in the oil return cavity is poured and controlled to be dry.
Optionally, according to the oil return chamber cleaning process of the present invention, the water injection time in the thorough flushing is 30 to 45 seconds.
According to a second aspect of the invention, the invention further provides a cleaning device for the oil return cavity, which is used for the oil return cavity cleaning process in any embodiment, and the cleaning device comprises a spraying chamber and a fixing plate, wherein one side of the fixing plate is connected with the spraying chamber, the other side of the fixing plate is used for fixedly connecting an external mechanism, a joint water pipe and a plurality of water injection pipes are arranged on the spraying chamber, the joint water pipe is used for connecting an external water source, the number of the water injection pipes is equal to that of ports of the oil return cavity, and the positions of the water injection pipes are in one-to-one correspondence.
Optionally, according to the cleaning device for the oil return cavity, the water injection pipe comprises a main water pipe and a sealing plate, one end of the main water pipe is connected with the spray chamber, the other end of the main water pipe is connected with the sealing plate, the sealing plate is matched with a port of the oil return cavity, and a linear seal matched with the port of the oil return cavity is arranged on the sealing plate.
According to a third aspect of the present invention, there is further provided clamping equipment for an oil return cavity, which is used in the oil return cavity cleaning process according to any one of the embodiments, and includes a support plate, an upper clamp plate and a lower clamp plate, where the upper clamp plate and the lower clamp plate are respectively disposed at upper and lower ends of the support plate, and form a U-shaped frame structure; a connecting flange disc is arranged on one side, away from the U-shaped opening, of the supporting plate and is used for being connected with the robot;
the opposite side of backup pad still is equipped with uide bushing and die clamping cylinder, be equipped with on the punch holder along uide bushing sliding connection's guide post, die clamping cylinder is used for the drive the punch holder rises or moves down, in order to adjust the punch holder with distance between the lower plate is convenient for the centre gripping engine cylinder body.
Optionally, according to the clamping device for the oil return cavity, one side of the lower clamping plate, which faces the upper clamping plate, is provided with a plurality of spring sealing assemblies, the number of the spring sealing assemblies is equal to that of ports of the oil return cavity, and the spring sealing assemblies and the ports of the oil return cavity are in one-to-one correspondence;
the spring sealing assembly comprises an elastic sealing element, a connecting rod and a compression spring, the compression spring is sleeved on the connecting rod, one end of the connecting rod is connected with the elastic sealing element, and the other end of the connecting rod is connected with a limiting block for limiting the compression spring;
the connecting rod is connected to the lower clamping plate in a sliding mode, the compression spring is located between the lower clamping plate and the elastic sealing piece, and the elastic sealing piece is matched with a port of the oil return cavity.
Optionally, according to the clamping device for the oil return cavity, the lower clamping plate is further provided with a plurality of positioning blocks and positioning pins, and the positioning blocks and the positioning pins are respectively matched with positioning grooves or positioning holes in the engine cylinder body to realize positioning and clamping of the engine cylinder body.
Compared with the prior art, the invention has the following beneficial effects:
(1) Aiming at the problem that the internal structure of the oil return cavity of the cylinder body is complex and difficult to clean, the oil return cavity cleaning process disclosed by the invention effectively cleans the inner wall and each corner of the oil return cavity by adopting an elastic sealing cleaning mode, effectively removes falling molding sand and residual particle impurities, has large cleaning flow, high cleaning pressure and obvious cleaning effect, and can effectively ensure the achievement of the cleanliness index of the oil return cavity of the cylinder body;
(2) The oil return cavity cleaning device disclosed by the invention has the advantages that under the action of elastic sealing, cleaning is not influenced by the shape size of an inlet and an outlet of the oil return cavity, a certain water pressure can be established in the oil return cavity no matter water flows out from a small opening through large-opening water injection or from a large opening through small-opening water injection, the covering surface of a cleaning solution on the inner wall of the oil return cavity is increased, and the scouring capability of the cleaning solution reaching corner dead corners of the oil return cavity is improved, so that the cleaning effect is ensured;
(3) The oil return cavity clamping equipment disclosed by the invention can be used for effectively clamping an engine, can be used for realizing the thorough cleaning of the oil return cavity of a workpiece in a clamping state, and ensures the production beat. Different sealing opening degrees are obtained by adjusting the compression force of a spring of the elastic sealing assembly, so that the effects of adjusting the cleaning pressure and the cleaning flow of the oil return cavity are achieved; robot centre gripping work piece is earlier about, rotary motion relies on inertial force and centrifugal force to wash back oil chamber inner wall, relies on the inside water pressure in the oil return chamber that elastic seal component formed again to wash away back oil chamber inner wall and turning constantly, plays dual clearance effect, effectively guarantees back oil chamber's cleanliness more.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a flow chart of a disclosed oil return chamber cleaning process;
FIG. 2 is a flow chart of the initial cleaning in the disclosed cleaning process for an oil return chamber;
FIG. 3 is a flow chart of a thorough flushing in the disclosed oil return chamber cleaning process;
FIG. 4 is a schematic view of the disclosed oil return chamber cleaning process (omitting the upper clamp plate);
FIG. 5 is a perspective view of the disclosed water injection tube;
FIG. 6 is a perspective view of the disclosed spray chamber;
FIG. 7 is a perspective view (I) of an oil return cavity clamping apparatus disclosed in the present invention;
fig. 8 is a perspective view (two) of the oil return cavity clamping device disclosed by the invention;
FIG. 9 is a perspective view of the disclosed spring seal assembly;
FIG. 10 is a perspective view of the disclosed elastomeric seal;
FIG. 11 is a perspective view of the disclosed connecting rod;
fig. 12 is a schematic diagram of a cleaning process for an oil return cavity disclosed by the invention.
Description of the reference numerals: 1-connecting a flange plate; 2-upper splint; 3, a lower splint; 4-positioning a block; 5-positioning pins; 6, a guide sleeve; 7-a guide post; 8-an elastic sealing member; 801-mounting pins; 9-compression spring; 10-a connecting rod; 1001-counter bore; 1002-a guide shaft; 1003-cutting surface; 1004-external thread; 11-a limiting block; 12-a fixing plate; 13-connecting a water pipe; 14-a cover plate; 15-a spray chamber; 1501-a cavity; 1502-Large a threaded hole; 1503-small threaded hole; 1504-side threaded hole; 16-a water injection pipe; 17-a sealing plate; 18-linear sealing; 19-a clamping cylinder; 20-an engine block; 21-oil return chamber.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
According to the invention, as shown in fig. 1 and 12, the cleaning process of the oil return cavity comprises the following steps:
s1, the robot drives the clamping device to grab and clamp the engine cylinder body 20, and a spring sealing assembly at the bottom of the clamping device elastically plugs the bottom of an oil return cavity 21 of the engine cylinder body 20. Under the prerequisite of guaranteeing the centre gripping steadily, realize the lower extreme open-ended to returning oil chamber 21 sealed, avoid the washing stage water directly to flow out.
And S2, moving the engine cylinder body 20 to the cleaning device through the robot, and enabling the water injection pipe 16 of the cleaning device to correspond to the oil return cavity 21 on the engine cylinder body 20.
And S3, injecting water into the oil return cavity 21 through the water injection pipe 16, and realizing primary cleaning of the oil return cavity 21.
And S4, after the primary cleaning is finished, moving the engine cylinder body 20 to the cleaning device, and enabling the water injection pipe 16 of the cleaning device to be in contact with and sealed with the oil return cavity 21 on the engine cylinder body 20. When implementing, return oil chamber 21 bottom by spring seal assembly elastic plugging, it is sealed to combine the contact of water injection pipe 16, can guarantee to return oil chamber 21 effective sealed, when water injection pipe 16 lasts the water injection, can make the inside water pressure increase in oil chamber 21, guarantees that rivers can erode each corner to returning oil chamber 21.
And S5, the cleaning device drives the water injection pipe 16 to inject water into the oil return cavity 21 again, the water pressure inside the oil return cavity 21 is increased until the water pressure at the bottom of the oil return cavity 21 is larger than the spring force of the spring sealing assembly, and accumulated water in the oil return cavity 21 is discharged, so that the oil return cavity 21 is thoroughly flushed.
Further, as shown in fig. 2, in S3, the preliminary cleaning specifically includes the following steps:
and S31, the cleaning device injects water into the oil return cavity 21 for a period of time through the water injection pipe 16.
And S32, the robot drives the engine cylinder body 20 to be far away from the cleaning device through the clamping device, drives the cylinder body to move up and down or/and rotate, and cleans the inner wall of the oil return cavity 21 by means of inertia force and centrifugal force. In the initial cleaning stage, the water injection pipe 16 does not seal the oil return cavity 21, at this time, the oil return cavity 21 does not need to be filled with water, all the oil return cavities 21 are filled with water flow, and water entering at this time can not overcome the spring force of the elastic sealing assembly to open the elastic sealing assembly, so that the water in the oil return cavity 21 can be accumulated. Then, the engine cylinder body 20 is driven by the robot to rotate or shake up and down, so that the water flow performs a preliminary washing process on the oil return cavity 21.
And further, the water injection time in the primary cleaning is 10-15 seconds. The specific time is determined according to the injection rate of the water flow and the size of the oil return cavity 21, and is not limited to 10-15 seconds in the invention.
Further, in S5, the thorough flushing specifically includes the following steps:
and S51, continuously injecting water into the oil return cavity 21 in a sealing manner by the cleaning device through the water injection pipe 16 until the water pressure at the bottom of the oil return cavity 21 is greater than the spring force of the spring sealing assembly.
S52, when the spring seal assembly of the clamping device is flushed away by the water pressure in the oil return chamber 21, the cleaning device injects water into the oil return chamber 21 for a period of time through the water injection pipe 16.
And S53, the robot drives the engine cylinder body 20 to be far away from the cleaning device through the clamping device, and drives the cylinder body to rotate 180 degrees along the direction of the top and bottom surfaces, so as to dump and control moisture remained in the oil return cavity 21. Make linear seal 18 and cylinder body top surface oil return chamber 21 carry out the contact seal, water injection pipe 16 resumes the water injection again, cylinder body oil return chamber 21 is filled gradually, when the dead weight of water injection water pressure and the interior ponding of oil return chamber 21 is greater than the spring force, certain aperture is opened to the elasticity seal subassembly, begin to discharge the ponding in the oil return chamber 21, continuously wash a period after, until all inner walls and corners of oil return chamber 21 are thoroughly washed away and cleared up by water, then water spray assembly is kept away from to the robot centre gripping cylinder body, and it is rotatory 180 degrees along cylinder body top bottom surface direction, empty the accuse dry to remaining in the oil return chamber 21 moisture. By this the cleaning process is finished and the cylinder is transferred to the next station.
Further, the water injection time in the thorough flushing is 30-45 seconds. The specific time is determined according to the injection rate of the water flow and the size of the oil return cavity 21, the time is not limited to 10-15 seconds in the invention, and the continuous flushing can ensure that the waste water in the oil return cavity 21 is discharged.
As shown in fig. 4 to 6, the present invention further provides a cleaning apparatus for an oil return cavity 21, which is used in the cleaning process for the oil return cavity 21 according to any of the above embodiments, and includes a spray chamber 15 and a fixing plate 12, wherein the fixing plate 12 is fixed to an equipment top plate (not shown), the spray chamber 15 is installed below the fixing plate 12, a side threaded hole 1504 is processed on a side wall of the spray chamber 15 and is fixedly connected to the fixing plate 12 through a bolt, a small threaded hole 1503 is processed on an upper opening of the spray chamber 15 and is connected to a cover plate 14 through a bolt, a large threaded hole 1502 is processed on a bottom surface of the spray chamber 15 and is fixed to a water injection pipe 16 through threaded connection, the spray chamber 15 is of a shell-drawing structure, and an internal cavity 1501 thereof is used for containing water for cleaning the oil return cavity 21. A joint water pipe 13 is installed on the cover plate 14, wherein the joint water pipe 13 is connected to an external water supply system (not illustrated in the present invention).
Further, the water injection pipe 16 comprises a main water pipe and a sealing plate 17, one end of the main water pipe is in threaded connection with the spray chamber 15, the other end of the main water pipe is in threaded connection with the sealing plate 17, the sealing plate 17 is matched with a port of the oil return cavity 21, and the sealing plate 17 is provided with a linear seal 18 matched with the port of the oil return cavity 21, so that the effective sealing of the interior of the oil return cavity 21 in a complete flushing stage is guaranteed.
As shown in fig. 7 to 11, the present invention further provides a clamping apparatus for an oil return chamber, which is used in the oil return chamber cleaning process according to any of the embodiments, and includes a supporting plate, an upper clamp plate 2 and a lower clamp plate 3, wherein the upper clamp plate 2 and the lower clamp plate 3 are respectively disposed at the upper and lower ends of the supporting plate, and form a U-shaped frame structure; one side of the supporting plate, which is far away from the U-shaped opening, is provided with a connecting flange 1, wherein the connecting flange 1 is in butt joint with a mounting flange of the robot.
The other side of the supporting plate is further provided with a guide sleeve 6 and a clamping cylinder 19, the upper clamping plate 2 is provided with a guide post 7 which is connected with the guide sleeve 6 in a sliding mode, the clamping cylinder 19 drives the upper clamping plate 2 to ascend or descend so as to adjust the distance between the upper clamping plate 2 and the lower clamping plate 3, and the engine cylinder body 20 can be clamped conveniently.
Further, the lower clamping plate 3 is provided with a plurality of spring seal assemblies on one side facing the upper clamping plate 2, the number of the spring seal assemblies is equal to that of the ports of the oil return cavity 21, and the spring seal assemblies and the oil return cavity are in one-to-one correspondence.
The spring seal assembly comprises an elastic seal element 8, a connecting rod 10 and a compression spring 9, the compression spring 9 is sleeved on the connecting rod 10, one end of the connecting rod 10 is connected with the elastic seal element 8, and the other end of the connecting rod is connected with a limiting block 11 for limiting the compression spring 9. The connecting rod 10 is slidably connected to the lower clamp plate 3, and the compression spring 9 is located between the lower clamp plate 3 and the elastic sealing member 8, and the elastic sealing member 8 is matched with the port of the oil return cavity 21. Elastic sealing element 8 is the soft material of polyurethane, elastic sealing element 8 designs has installation round pin 801, the design of connecting rod 10 front end has counter bore 1001, both are in the same place through pinhole complex mode installation, guide shaft 1002 in the middle of the connecting rod 10 passes lower plate 3, connecting rod 10 lower extreme processing has external screw thread 1004, form through threaded connection is fixed with stopper 11, compression spring 9 suit is on connecting rod 10, the shoulder contact of compression spring 9 upper end and connecting rod 10, avoid spring and 8 direct contact of elastic sealing element, the lower extreme then contacts with the up end of lower plate 3. Under the normal condition, by compression spring 9 effort, elastic sealing element 8 is in the jacking state, and connecting rod 10 carries out the edging processing cutting face 1003 for it is spacing, prevent that connecting rod 10 from taking place to rotate along the axis direction.
Furthermore, a positioning block 4 and a positioning pin 5 are installed below the lower clamping plate 3, the positioning block 4 and the positioning pin 5 are respectively matched with a positioning groove or a positioning hole on the engine cylinder body 20, and the cylinder body is precisely positioned in a mode that two pins are arranged on one side of the bottom surface, so that the accuracy of the position of the cylinder body during cleaning is ensured, wherein the positioning block 4 is arranged at four positions, and the positioning pin 5 is arranged at two positions.
Compared with the prior art, the invention has the following beneficial effects:
(1) Aiming at the problem that the internal structure of the oil return cavity 21 of the cylinder body is complex and difficult to clean, the cleaning process for the oil return cavity 21 disclosed by the invention adopts an elastic sealing cleaning mode to effectively clean the inner wall and each corner of the oil return cavity, so that fallen molding sand and residual particle impurities are effectively removed, the cleaning flow is large, the cleaning pressure is high, the cleaning effect is obvious, and the cleanness index of the oil return cavity 21 of the cylinder body can be effectively ensured to be achieved;
(2) The cleaning device for the oil return cavity 21 disclosed by the invention has the advantages that under the action of elastic sealing, the cleaning is not influenced by the shape and the size of the inlet and the outlet of the oil return cavity 21, a certain water pressure can be established in the oil return cavity 21 no matter a large-opening water injection small-opening water outlet or a small-opening water injection large-opening water outlet, the covering surface of a cleaning solution on the inner wall of the oil return cavity 21 is increased, and the scouring capability of the cleaning solution reaching the corner dead angle of the oil return cavity 21 is improved, so that the cleaning effect is ensured;
(3) The oil return cavity 21 clamping device disclosed by the invention can effectively clamp an engine, can realize the thorough cleaning of the oil return cavity 21 of a workpiece in a clamping state, and ensures the production takt. Different sealing opening degrees are obtained by adjusting the magnitude of the spring compression force of the elastic sealing assembly, so that the effects of adjusting the cleaning pressure and the cleaning flow of the oil return cavity 21 are achieved; robot centre gripping work piece is earlier about, rotary motion relies on inertial force and centrifugal force to wash back oil chamber 21 inner wall, relies on the inside water pressure of oil chamber 21 that elastic seal component formed again to wash away back oil chamber 21 inner wall and turning constantly, plays dual clearance effect, effectively guarantees back oil chamber 21's cleanliness more.
Although some specific embodiments of the present invention have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (9)
1. The cleaning process of the oil return cavity is characterized by comprising the following steps of:
s1, grabbing and clamping an engine cylinder body by driving clamping equipment through a robot, and enabling a spring sealing assembly at the bottom of the clamping equipment to elastically seal the bottom of an oil return cavity of the engine cylinder body;
s2, moving the engine cylinder body to the cleaning device through the robot, and enabling a water injection pipe of the cleaning device to correspond to an oil return cavity on the engine cylinder body;
s3, injecting water into the oil return cavity through a water injection pipe to realize primary cleaning of the oil return cavity;
s4, after the primary cleaning is finished, moving the engine cylinder body to a cleaning device, and enabling a water injection pipe of the cleaning device to be in contact with an oil return cavity on the engine cylinder body for sealing;
s5, driving the water injection pipe to inject water into the oil return cavity again by the cleaning device, and increasing the water pressure in the oil return cavity until the water pressure at the bottom of the oil return cavity is greater than the spring force of the spring sealing assembly, and discharging accumulated water in the oil return cavity to realize thorough washing of the oil return cavity;
in S5, the thorough flushing specifically includes the following steps:
s51, continuously injecting water into the oil return cavity in a sealing manner by the cleaning device through the water injection pipe until the water pressure at the bottom of the oil return cavity is greater than the spring force of the spring sealing assembly;
s52, when the spring sealing assembly of the clamping device is flushed by water pressure in the oil return cavity, the cleaning device injects water into the oil return cavity for a period of time through the water injection pipe;
and S53, the robot drives the engine cylinder body to be far away from the cleaning device through the clamping device, and drives the cylinder body to rotate 180 degrees along the top surface direction, so that the water remained in the oil return cavity is poured and controlled to be dry.
2. The cleaning process of the oil return cavity according to claim 1, wherein in the step S3, the preliminary cleaning specifically comprises the following steps:
s31, injecting water into the oil return cavity for a period of time by the cleaning device through a water injection pipe;
and S32, the robot drives the engine cylinder to be far away from the cleaning device through the clamping device, drives the cylinder to move up and down or/and rotate, and cleans the inner wall of the oil return cavity by means of inertia force and centrifugal force.
3. The cleaning process of the oil return cavity according to claim 2, characterized in that the water injection time in the primary cleaning is 10-15 seconds.
4. The process for cleaning an oil return chamber according to claim 1, wherein the water injection time in the thorough flushing is 30-45 seconds.
5. A cleaning device for an oil return cavity is used for the oil return cavity cleaning process according to any one of claims 1 to 4, and is characterized by comprising a spray chamber and a fixing plate, wherein one side of the fixing plate is connected with the spray chamber, the other side of the fixing plate is used for fixedly connecting an external mechanism, a joint water pipe and a plurality of water injection pipes are arranged on the spray chamber, the joint water pipe is used for connecting an external water source, the number of the water injection pipes is equal to that of ports of the oil return cavity, and the positions of the water injection pipes are in one-to-one correspondence.
6. The cleaning device for the oil return cavity according to claim 5, wherein the water injection pipe comprises a main water pipe and a sealing plate, one end of the main water pipe is connected with the spray chamber, the other end of the main water pipe is connected with the sealing plate, the sealing plate is matched with the port of the oil return cavity, and a linear seal matched with the port of the oil return cavity is arranged on the sealing plate.
7. The clamping equipment for the oil return cavity is used for the oil return cavity cleaning process according to any one of claims 1 to 4, and is characterized by comprising a supporting plate, an upper clamping plate and a lower clamping plate, wherein the upper clamping plate and the lower clamping plate are respectively arranged at the upper end and the lower end of the supporting plate and form a U-shaped frame structure; a connecting flange disc is arranged on one side, away from the U-shaped opening, of the supporting plate and is used for being connected with the robot;
the opposite side of backup pad still is equipped with the uide bushing, be equipped with on the punch holder along uide bushing sliding connection's guide post, just the terminal surface of punch holder still is connected with external equipment, in order to adjust the punch holder with distance between the lower plate is convenient for centre gripping engine cylinder body.
8. The oil return chamber clamping apparatus according to claim 7, wherein a plurality of spring seal assemblies are arranged on one side of the lower clamping plate facing the upper clamping plate, the number of the spring seal assemblies is equal to that of the ports of the oil return chamber, and the spring seal assemblies correspond to the ports of the oil return chamber one by one;
the spring sealing assembly comprises an elastic sealing element, a connecting rod and a compression spring, the compression spring is sleeved on the connecting rod, one end of the connecting rod is connected with the elastic sealing element, and the other end of the connecting rod is connected with a limiting block for limiting the compression spring;
the connecting rod is connected to the lower clamping plate in a sliding mode, the compression spring is located between the lower clamping plate and the elastic sealing piece, and the elastic sealing piece is matched with a port of the oil return cavity.
9. The clamping device for the oil return cavity according to claim 8, wherein a plurality of positioning blocks and positioning pins are further arranged on the lower clamping plate, and the positioning blocks and the positioning pins are respectively matched with positioning grooves and positioning holes on an engine cylinder body so as to realize positioning and clamping of the engine cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210337006.2A CN114682592B (en) | 2022-03-31 | 2022-03-31 | Cleaning process and device for oil return cavity and clamping equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210337006.2A CN114682592B (en) | 2022-03-31 | 2022-03-31 | Cleaning process and device for oil return cavity and clamping equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114682592A CN114682592A (en) | 2022-07-01 |
| CN114682592B true CN114682592B (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210337006.2A Active CN114682592B (en) | 2022-03-31 | 2022-03-31 | Cleaning process and device for oil return cavity and clamping equipment |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB692033A (en) * | 1950-02-13 | 1953-05-27 | Gilbert Collman | Improvements in or relating to apparatus for clearing obstructions in pipes |
| WO1999064175A1 (en) * | 1998-06-05 | 1999-12-16 | Matcon (R & D) Limited | Fluid flow apparatus |
| JP2019015374A (en) * | 2017-07-10 | 2019-01-31 | 株式会社フコク | Seal mechanism for washing device |
| CN209502478U (en) * | 2018-07-20 | 2019-10-18 | 中国航空工业集团公司西安飞行自动控制研究所 | A kind of sealed holding tooling of laser gyro cavity injection cleaning |
| CN113230686A (en) * | 2021-05-25 | 2021-08-10 | 安徽硅宝有机硅新材料有限公司 | Continuous rectification equipment and method applied to silane coupling agent in photovoltaic industry |
| CN113894115A (en) * | 2021-10-12 | 2022-01-07 | 东北石油大学 | On-spot oil pipe belt cleaning device of workover |
| CN114054450A (en) * | 2022-01-15 | 2022-02-18 | 南通合瑞源生物科技有限公司 | Independent high pressure cleaning equipment of nucleic acid extraction test tube |
-
2022
- 2022-03-31 CN CN202210337006.2A patent/CN114682592B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB692033A (en) * | 1950-02-13 | 1953-05-27 | Gilbert Collman | Improvements in or relating to apparatus for clearing obstructions in pipes |
| WO1999064175A1 (en) * | 1998-06-05 | 1999-12-16 | Matcon (R & D) Limited | Fluid flow apparatus |
| JP2019015374A (en) * | 2017-07-10 | 2019-01-31 | 株式会社フコク | Seal mechanism for washing device |
| CN209502478U (en) * | 2018-07-20 | 2019-10-18 | 中国航空工业集团公司西安飞行自动控制研究所 | A kind of sealed holding tooling of laser gyro cavity injection cleaning |
| CN113230686A (en) * | 2021-05-25 | 2021-08-10 | 安徽硅宝有机硅新材料有限公司 | Continuous rectification equipment and method applied to silane coupling agent in photovoltaic industry |
| CN113894115A (en) * | 2021-10-12 | 2022-01-07 | 东北石油大学 | On-spot oil pipe belt cleaning device of workover |
| CN114054450A (en) * | 2022-01-15 | 2022-02-18 | 南通合瑞源生物科技有限公司 | Independent high pressure cleaning equipment of nucleic acid extraction test tube |
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| CN114682592A (en) | 2022-07-01 |
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