CN113154035A - Three-combination piston oil ring and preparation method thereof - Google Patents
Three-combination piston oil ring and preparation method thereof Download PDFInfo
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- CN113154035A CN113154035A CN202110259866.4A CN202110259866A CN113154035A CN 113154035 A CN113154035 A CN 113154035A CN 202110259866 A CN202110259866 A CN 202110259866A CN 113154035 A CN113154035 A CN 113154035A
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- fixedly connected
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- rod
- cutting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
- F16J9/12—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/08—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass piston rings from several pieces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F5/00—Piston rings, e.g. associated with piston crown
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a three-combination piston oil ring and a preparation method thereof, comprising a lining ring matrix, a lining ring matrix lug part, an inclined plane groove, a raised platform, a step inclined plane, a fluorine mixed resin coating on the surface of the lining ring matrix, an upper scraper ring, a lower scraper ring, a piston ring groove and a cylinder arm, the liner ring substrate is of a wave structure along the bending direction, the middle part of the wave crest of the liner ring substrate is provided with a bevel groove with two sides of different heights along the width direction, the convex part between the low side of the inclined plane groove and the wave crest edge of the liner ring base body is a liner ring base body lug part, because the lining ring matrix is formed by extrusion of a steel belt through a gear, the surface roughness of the lining ring matrix is relatively large, the rough surface also hinders the flow of lubricating oil on the surface of the lining ring matrix, a layer of fluorine resin mixed coating with the thickness of 3-10 mu m is sprayed on the surface of the lining ring matrix, so that the rapid flowing of lubricating oil can be promoted.
Description
Technical Field
The invention relates to the technical field of piston oil rings, in particular to a three-combination piston oil ring and a preparation method thereof.
Background
The piston oil ring is used as a core control component of lubricating oil of an engine, and the performance of the piston oil ring directly influences the consumption of the lubricating oil of an automobile engine. The three-combination oil ring has the characteristics of side surface sealing property, light weight and the like, and is widely adopted, so that the three-combination oil ring becomes a mainstream design particularly on a high-speed machine.
The three-combination piston ring oil ring consists of an upper scraper ring, a lower scraper ring and a middle lining ring base body, lubricating oil on the cylinder wall is scraped by the pair of scraper rings through the up-and-down reciprocating motion and flows back to an engine oil bottom shell through a corrugated groove of the middle lining ring base body and a gap between the lining ring base body and a scraper, and the function of controlling the oil consumption of an engine is achieved. However, the clearance between the scraper ring and the lining ring matrix is small, and the surface of the lining ring matrix is rough, so that the lubricating oil is not smoothly refluxed and stays on the surface of the oil ring for a long time, the high-temperature glue of the lubricating oil is easily formed into sludge, and carbon deposit can be formed after a long time. Affecting the engine oil, and causing the carbon deposit in the oil to be stuck in serious conditions.
Chinese patent discloses a combined oil ring (publication No. CN107250626B), in which a groove is formed on a supporting arm of a liner ring base body, so as to increase a return passage of lubricating oil, play a certain role in reducing oil consumption, prolong the time of oil sludge accumulation, and reduce the amount of oil sludge accumulation. However, with the continuous extension of the requirement of the three-package mileage of the engine and the continuous improvement of the requirement on the service life of the engine, the problems of oil ring surface lubricating oil gluing, lubricating oil consumption increase and the like still exist in the middle and later periods, the problem of carbon deposit blocking failure of the oil ring can be caused even in severe conditions, and when the oil ring is cut off in preparation, the oil ring is difficult to clamp, so that errors are easy to occur in cutting.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide a three-combination piston oil ring and a preparation method thereof, so as to solve the problems that the lubricating oil on the surface of the oil ring is caked, the consumption of the lubricating oil is increased and the like still exist along with the increase of the service time, and the problem that the carbon deposit on the oil ring is stuck and fails in severe conditions is also caused.
The purpose of the invention can be realized by the following technical scheme:
a three-combination piston oil ring comprises a liner ring base body, a liner ring base body lug part, an inclined plane groove, a raised platform, a step inclined plane, a fluorine mixed resin coating on the surface of the liner ring base body, an upper scraper ring, a lower scraper ring, a piston ring groove and a cylinder arm, the liner ring substrate is of a wave structure along the bending direction, the middle part of the wave crest of the liner ring substrate is provided with a bevel groove with two sides of different heights along the width direction, the convex part between the low side of the inclined plane groove and the wave crest edge of the liner ring base body is a liner ring base body lug part, the convex part between the high side of the inclined plane groove and the crest edge of the liner ring base body is a convex platform, the raised platform is provided with a circular arc lubricating oil return channel groove, the bottom of the lubricating oil return channel groove is provided with a step inclined plane, the ear parts, the raised platforms and the step slopes of the backing ring base body are all inclined planes, and the upper and lower scraping rings are positioned on the outer surface of the backing ring base body.
As a further scheme of the invention: the inclination angle of the inclined plane groove is 5-15 degrees, the inclination angle of the protruding platform is 5-15 degrees, the angle of the liner ring base ear is 5-20 degrees, and the inclination angle of the step inclined plane is 15-45 degrees.
As a further scheme of the invention: the outer surface of the liner ring substrate is provided with a fluorine mixed resin coating.
The invention also discloses a preparation method of the three-combination piston oil ring, which comprises the following steps: the method comprises the following steps:
the method comprises the following steps: extruding a stainless steel strip with the thickness of 0.2-0.5 mm and the width of 1.4-3.8 mm into a wave-shaped steel strip with a regular wavelength through a common coupling gear;
step two: extruding and forming the lug parts of the lining ring matrix through a pair of ultrathin coupling gears;
step three: at the moment, a supporting arm of the backing ring base body and an inclined plane groove on the supporting arm are formed through a pair of stepped coupling gears with circular truncated cone-shaped tooth surfaces;
step four: then, a convex platform of the backing ring base body and an inclined plane groove on the convex platform are formed through a pair of stepped coupling gears with ultrathin circular truncated cone-shaped tooth surfaces;
step five: winding and encircling the wave-shaped steel strip into a cylinder shape;
step six: performing stress-relief shaping heat treatment by using a heat treatment furnace to obtain a molding material;
step seven: and cutting and molding the molding material by a cutting device.
As a further scheme of the invention: the cutting device comprises a case, wherein a mounting frame is fixedly connected to one side of the top of the case, a positioning disc is fixedly connected to the top of the case, a mounting plate is arranged inside the mounting frame, a clamping assembly is arranged on one side of the mounting plate, and a cutting assembly is fixedly connected to the top of the mounting frame;
the clamping assembly comprises a hollow rod and an isolation box positioned at the top of the positioning plate, one end of the hollow rod penetrates through the mounting plate and extends to the outside of the mounting plate, the inner surface of the hollow rod is connected with a push rod in a sliding manner, one end of the push rod is fixedly connected with a rotating handle, mounting holes are formed in the front side and the back side of the isolation box, a disc is arranged on the inner surface of each mounting hole, a rolling groove is formed in one side of the disc, a rolling ball is arranged on the inner surface of the rolling groove, a plastic sleeve is arranged on the outer surface of the rolling ball, one end of the push rod is fixedly connected with one side of the disc, a thrust spring is sleeved on the outer surface of the push rod, one end of the thrust spring is fixedly connected with one side of the disc, the other end of the thrust spring is fixedly connected with one end of the hollow rod, and a limiting piece is fixedly connected with the other end of the hollow rod, the outer surface of the ejector rod is fixedly connected with a plurality of limiting blocks, a through hole is formed in one side of the limiting part, and the inner surface of the through hole is matched with the outer surfaces of the limiting blocks.
As a further scheme of the invention: a plurality of rotating rollers are arranged between two sides of the inner wall of the isolation box and located below the disc, a cutting groove is formed in the outer surface of the isolation box, and the outer surface of the plastic sleeve is in rolling connection with the inner surface of the rolling groove.
As a further scheme of the invention: the utility model discloses a cutting assembly, including the cutting assembly, the cutting assembly is connected with the motor cabinet including the one side fixedly connected with fixed axle that is located the mounting bracket, the surface of fixed axle rotates, the top fixedly connected with cutting motor of motor cabinet, one side fixedly connected with cutting disc of cutting motor, one side fixedly connected with dead lever of motor cabinet, the back fixedly connected with support frame of mounting bracket, the inside of support frame is provided with the mounting bracket, the inside fixedly connected with connecting plate of mounting bracket, the bottom fixedly connected with electric telescopic handle of connecting plate, electric telescopic handle's output runs through the connecting plate and extends to the outside of connecting plate, electric telescopic handle's top is rotated through the surface that rotates cover and dead lever and is connected.
As a further scheme of the invention: the inside of machine case is provided with the waste material drawer, the both sides fixed connection of pull rod and quick-witted incasement wall is passed through to the both sides of waste material drawer, first blanking mouth has been seted up at the top of machine case, one side fixed connection and the extractor at quick-witted incasement chamber top, the extraction end intercommunication of extractor has the extraction funnel, the surface of extraction funnel is connected with the internal surface fixed connection of first blanking mouth, the second blanking mouth has been seted up to the bottom of waste material drawer, the bottom of waste material drawer and the equal fixedly connected with chute board in both sides that are located the second blanking mouth, two sliding connection has the baffle between the relative one side of chute board.
As a further scheme of the invention: the use method of the cutting device comprises the following steps: firstly, rotating a top rod in a hollow rod through a rotating handle to align a limiting block on the top rod with a through hole in a limiting piece, pulling the top rod to move towards one side far away from an isolation box through the rotating handle, so that a disc slides in an installation hole, at the moment, a thrust spring is in a compressed state, and reversely rotating the top rod again to enable the through hole and the limiting block to be staggered;
at the moment, the formed part is placed on a rotating roller in the isolation box, then the ejector rod is rotated reversely, the limiting block on the ejector rod is aligned with the through hole in the limiting part again, the disc moves to one side of the formed part under the action of the thrust spring, and the plastic sleeve in the rolling groove is in contact with the outer surface of the formed part, so that the formed part is tightly pushed, then the formed part is pushed forcibly, and the position needing to be cut is aligned with the cutting groove;
start the cutting motor on electric telescopic handle and the motor cabinet this moment, the cutting motor drives the cutting dish and rotates, and electric telescopic handle extends, promote the dead lever of connecting through the minor axis, and then make the mount rotate at the surface of fixed axle, further drive the cutting motor and swing, and the cutting dish will be cut the formed part from the inside of cutting cut groove, start the stock extractor simultaneously, it produces the negative pressure to take out the material funnel, the sweeps that will cut off is sent to in the waste material drawer, when there is more waste material in the inside of waste material drawer, pull out the waste material drawer through the pull rod, and pull out the baffle from between two slotted vanes, make the waste material follow second blanking mouth department drop out can.
The invention has the beneficial effects that:
(1) in the invention, as the lining ring matrix is formed by extrusion of a steel belt through a gear, the surface roughness of the lining ring matrix is relatively high, the rough surface also hinders the flow of lubricating oil on the surface of the lining ring matrix, and in order to promote the rapid flow of the lubricating oil, a further optimized scheme of the invention is to spray a layer of fluorine resin mixed coating with the thickness of 3-10 microns on the surface of the lining ring matrix, improve the self-lubricating and oil-free characteristics of the surface of the lining ring matrix and accelerate the flow rate of the lubricating oil. The fluororesin coating comprises polytetrafluoroethylene and molybdenum disulfide according to the volume percentage of 9: 1, a mixed coating has high non-stick property and heat resistance, a three-combined oil ring moves up and down along with a piston, and lubricating oil is distributed on a cylinder arm when the three-combined oil ring moves up to promote lubrication; when the cylinder moves downwards, redundant oil films on the cylinder arms are scraped, and the consumption of lubricating oil is controlled. When the oil ring moves downwards, the scraper ring on the upper side scrapes off redundant lubricating oil on the cylinder wall, the lubricating oil passes through the inclined groove on the inclined groove quick flow channel supporting arm on the liner ring base body raised platform along with the side surface of the scraper and then accelerates backflow under the gravity action of the lubricating oil, and the lubricating oil flows back to the oil pan through the channel at the root of the lug. The invention realizes low lubricating oil consumption and low friction effect.
(2) In the invention, a clamping assembly is arranged on one side of a mounting plate, the clamping assembly comprises a hollow rod and an isolation box positioned at the top of a positioning plate, one end of the hollow rod penetrates through the mounting plate and extends to the outside of the mounting plate, an ejector rod is connected to the inner surface of the hollow rod in a sliding manner, a rotating handle is fixedly connected to one end of the ejector rod, mounting holes are formed in the front side and the back side of the isolation box, a disc is arranged on the inner surface of each mounting hole, a rolling groove is formed in one side of the disc, a rolling ball is arranged on the inner surface of the rolling groove, a plastic sleeve is arranged on the outer surface of the rolling ball, one end of the ejector rod is fixedly connected with one side of the disc, a thrust spring is sleeved on the outer surface of the ejector rod, one end of the thrust spring is fixedly connected with one side of the disc, the other end of the thrust spring is fixedly connected with one end of the hollow rod, and a limiting piece is fixedly connected with the other end of the hollow rod, the surface fixedly connected with a plurality of stopper of ejector pin, the through hole has been seted up to one side of locating part, the internal surface of through hole and the surface looks adaptation of stopper, through set up hollow pole on the mounting panel, ejector pin and thrust spring in the hollow pole of cooperation, recycle the roll groove in the disc and be located the plasticity cover of spin surface, can withstand the formed part, thereby carry out the top tightly with the formed part, and under the promotion of external force, also can adjust the position of formed part, simultaneously through the stopper on the ejector pin and the through hole on the locating part, can carry on spacingly to the ejector pin, be convenient for place the formed part.
(3) In the invention, a waste drawer is arranged in a case, two sides of the waste drawer are fixedly connected with two sides of the inner wall of the case through pull rods, a first blanking port is arranged at the top of the case, one side of the top of the inner cavity of the case is fixedly connected with a material pumping machine, the material pumping end of the material pumping machine is communicated with a material pumping funnel, the outer surface of the material pumping funnel is fixedly connected with the inner surface of the first blanking port, a second blanking port is arranged at the bottom of the waste drawer, sliding groove plates are fixedly connected to two sides of the bottom of the waste drawer, opposite sides of the two sliding groove plates are connected with a baffle in a sliding way, the waste drawer and the material pumping machine are arranged in the case and matched with the material pumping funnel in the first blanking port, waste scraps placed and cut can fly and can be collected, and the sliding groove plates and the baffle are reused to take out waste materials in the waste drawer, further improving the practicability.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of a liner ring substrate according to the present invention;
FIG. 2 is a schematic view showing the structure of a liner ring substrate in example 1 of the present invention;
FIG. 3 is a schematic view showing the structure of a liner ring substrate in example 2 of the present invention;
FIG. 4 is a schematic view of the internal structure of the ring groove of the present invention;
FIG. 5 is a front view of the external structure of the cutting device of the present invention;
FIG. 6 is a side view showing the external structure of the cutting device of the present invention;
FIG. 7 is a partial sectional view of the clamp assembly of the present invention;
fig. 8 is a partial structural schematic diagram of the chassis in the present invention.
In the figure: 1. a liner ring base; 2. a grommet base ear; 3. a bevel groove; 4. a raised platform; 5. a step slope; 6. a fluorine-based mixed resin coating; 7. an upper scraper ring and a lower scraper ring; 8. a piston ring groove; 9. a cylinder arm; 10. a chassis; 11. a mounting frame; 12. positioning a plate; 13. mounting a plate; 14. a clamping assembly; 141. a hollow shaft; 142. an isolation box; 143. a top rod; 144. rotating the handle; 145. a disc; 146. a rolling groove; 147. rolling a ball; 148. a plastic sleeve; 149. a thrust spring; 1410. a limiting member; 1411. a limiting block; 1412. a through hole; 1413. a rotating roller; 1414. cutting the groove; 15. a cutting assembly; 151. a fixed shaft; 152. a motor base; 153. cutting the motor; 154. cutting the disc; 155. fixing the rod; 156. a support frame; 157. an electric telescopic rod; 16. a waste drawer; 17. a pull rod; 18. a first blanking port; 19. a material pumping machine; 20. a material pumping funnel; 21. a second blanking port; 22. a chute plate; 23. and a baffle plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides the following two solutions:
example 1
A three-combination piston oil ring comprises a backing ring base body 1, a backing ring base body lug part 2, an inclined plane groove 3, a raised platform 4, a step inclined plane 5, an upper scraper ring 7, a lower scraper ring 7, a piston ring groove 8 and a cylinder arm 9, the liner ring matrix 1 is of a wave structure along the bending direction, the middle part of the wave crest of the liner ring matrix 1 is provided with an inclined plane groove 3 with two sides of unequal height along the width direction, the convex part between the low side of the inclined plane groove 3 and the crest edge of the backing ring base body 1 is a backing ring base body lug part 2, the convex part between the high side of the inclined plane groove 3 and the crest edge of the backing ring matrix 1 is a convex platform 4, the raised platform 4 is provided with a circular arc lubricating oil return channel groove, the bottom of the lubricating oil return channel groove is provided with a step inclined plane 5, the bushing ring base body ear 2, the protruding platform 4 and the step inclined plane 5 are inclined planes, and the upper scraper ring 7 and the lower scraper ring 7 are located on the outer surface of the bushing ring base body 1.
In the invention, the inclination angle of the inclined plane groove 3 is 5-15 degrees, the inclination of the raised platform 4 is 5-15 degrees, the angle of the backing ring substrate lug part 2 is 5-20 degrees, and the inclination of the step inclined plane 5 is 15-45 degrees.
The invention also discloses a preparation method of the three-combination piston oil ring, which comprises the following steps: the method comprises the following steps:
the method comprises the following steps: extruding a stainless steel strip with the thickness of 0.2-0.5 mm and the width of 1.4-3.8 mm into a wave-shaped steel strip with a regular wavelength through a common coupling gear;
step two: then, extruding and forming the lug parts of the lining ring matrix 1 through a pair of ultrathin coupling gears;
step three: at the moment, a supporting arm of the backing ring base body 1 and an inclined plane groove 3 on the supporting arm are formed through a pair of step coupling gears with circular truncated cone-shaped tooth surfaces;
step four: then, a convex platform 4 of the backing ring base body 1 and an inclined plane groove 3 on the convex platform 4 are formed through a pair of stepped coupling gears with ultrathin circular truncated cone-shaped tooth surfaces;
step five: winding and encircling the wave-shaped steel strip into a cylinder shape;
step six: performing stress-relief shaping heat treatment by using a heat treatment furnace to obtain a molding material;
step seven: and cutting and molding the molding material by a cutting device.
According to the invention, the cutting device comprises a case 10, wherein a mounting frame 11 is fixedly connected to one side of the top of the case 10, a positioning disc 12 is fixedly connected to the top of the case 10, a mounting plate 13 is arranged inside the mounting frame 11, a clamping assembly 14 is arranged on one side of the mounting plate 13, and a cutting assembly 15 is fixedly connected to the top of the mounting frame 11;
the clamping assembly 14 comprises a hollow rod 141 and an isolation box 142 positioned at the top of the positioning disc 12, one end of the hollow rod 141 penetrates through the mounting plate 13 and extends to the outside of the mounting plate 13, a top rod 143 is connected to the inner surface of the hollow rod 141 in a sliding manner, a rotating handle 144 is fixedly connected to one end of the top rod 143, mounting holes are formed in the front surface and the back surface of the isolation box 142, a disc 145 is arranged on the inner surface of each mounting hole, a rolling groove 146 is formed in one side of the disc 145, a rolling ball 147 is arranged on the inner surface of the rolling groove 146, a plastic sleeve 148 is arranged on the outer surface of the rolling ball 147, one end of the top rod 143 is fixedly connected to one side of the disc 145 positioned on the back surface, a thrust spring 149 is sleeved on the outer surface of the top rod 143, one end of the thrust spring 149 is fixedly connected to one side of the disc 145, and the other end of the thrust spring 149 is fixedly connected to one end of the hollow rod 141, the other end fixedly connected with locating part 1410 of hollow rod 141, the surface fixedly connected with a plurality of stopper 1411 of ejector pin 143, through-hole 1412 has been seted up to one side of locating part 1410, the internal surface of through-hole 1412 and the surface looks adaptation of stopper 1411, through set up hollow rod 141 on mounting panel 13, ejector pin 143 and thrust spring 149 in the cooperation hollow rod 141, reuse roll groove 146 in the disc 145 and be located the plastic sheath 148 of spin 147 surface, can withstand the formed part to carry out the top tightly with the formed part, and under the promotion of external force, also can adjust the position of formed part, through stopper 1411 on the ejector pin 143 and through-hole 1412 on the locating part 1410, can carry out spacing to ejector pin 143 simultaneously, be convenient for place the formed part.
In the invention, a plurality of rotating rollers 1413 are arranged between two sides of the inner wall of the isolation box 142, the rotating rollers 1413 are positioned below the disc 145, the outer surface of the isolation box 142 is provided with a cutting groove 1414, and the outer surface of the plastic sleeve 148 is in rolling connection with the inner surface of the rolling groove 146.
In the invention, the cutting assembly 15 comprises a fixed shaft 151 fixedly connected to one side of a mounting frame 11, a motor base 152 is rotatably connected to the outer surface of the fixed shaft 151, a cutting motor 153 is fixedly connected to the top of the motor base 152, a cutting disc 154 is fixedly connected to one side of the cutting motor 153, a fixed rod 155 is fixedly connected to one side of the motor base 152, a support frame 156 is fixedly connected to the back of the mounting frame 11, the mounting frame 11 is arranged inside the support frame 156, a connecting plate is fixedly connected to the inside of the mounting frame 11, an electric telescopic rod 157 is fixedly connected to the bottom of the connecting plate, the output end of the electric telescopic rod 157 penetrates through the connecting plate and extends to the outside of the connecting plate, the top end of the electric telescopic rod 157 is rotatably connected to the outer surface of the fixed rod 155 through a rotating sleeve, and a formed part can be automatically cut through the cutting assembly 15, without excessive operation of workers.
In the invention, a waste drawer 16 is arranged inside a case 10, two sides of the waste drawer 16 are fixedly connected with two sides of the inner wall of the case 10 through pull rods 17, the top of the case 10 is provided with a first blanking port 18, one side of the top of an inner cavity of the case 10 is fixedly connected with a material pumping machine 19, a material pumping end of the material pumping machine 19 is communicated with a material pumping funnel 20, the outer surface of the material pumping funnel 20 is fixedly connected with the inner surface of the first blanking port 18, the bottom of the waste drawer 16 is provided with a second blanking port 21, two sides of the bottom of the waste drawer 16, which are positioned at the second blanking port 21, are both fixedly connected with chute plates 22, and a baffle plate 23 is slidably connected between the opposite sides of the two chute plates 22.
In the invention, the use method of the cutting device comprises the following steps: firstly, the top rod 143 in the hollow rod 141 is rotated through the rotating handle 144, so that the limiting block 1411 on the top rod 143 is aligned with the through hole 1412 on the limiting piece 1410, then the top rod 143 is pulled to move towards the side far away from the isolation box 142 through the rotating handle 144, so that the disc 145 slides in the mounting hole, at the moment, the thrust spring 149 is in a compressed state, and the top rod 143 is rotated reversely again, so that the through hole 1412 is dislocated with the limiting block 1411;
at the moment, the formed part is placed on a rotating roller 1413 in the isolation box 142, then the ejector rod 143 is rotated reversely, the limiting block 1411 on the ejector rod 143 is aligned with the through hole 1412 on the limiting piece 1410, the disc 145 moves to one side of the formed part under the action of the thrust spring 149, and the plastic sleeve 148 in the rolling groove 146 is in contact with the outer surface of the formed part, so that the formed part is tightly pressed, and then the formed part is pushed forcibly, so that the position needing to be cut is aligned with the cutting groove 1414;
at this moment, start cutting motor 153 on electric telescopic handle 157 and the motor cabinet 152, cutting motor 153 drives cutting disc 154 and rotates, and electric telescopic handle 157 extends, promote dead lever 155 through the minor axis connection, and then make mounting bracket 11 rotate at the surface of fixed axle 151, further drive cutting motor 153 and swing, and cutting disc 154 will cut the formed part from the inside of cutting groove 1414, start material pumping machine 19 simultaneously, material pumping funnel 20 produces the negative pressure, will cut down the sweeps and send to in waste drawer 16, when there is more waste material in waste drawer 16's inside, pull out waste drawer 16 through pull rod 17, and pull out baffle 23 from between two chute plates 22, make the waste material from second blanking mouth 21 department fall out can.
Example 2
The utility model provides a three combination piston oil rings, is including grommet base member 1, grommet base member ear 2, inclined plane recess 3, protruding platform 4, step inclined plane 5, the fluorine system mixed resin coating 6 on the surface of grommet base member 1, upper and lower doctor blade ring 7, piston ring groove 8, cylinder arm 9, grommet base member 1 is wave structure along its crooked direction, the crest middle part of grommet base member 1 is opened along its width direction has the inclined plane recess 3 that a both sides are not high, the bulge between the low side of inclined plane recess 3 and the crest edge of grommet base member 1 is grommet base member ear 2, the bulge between the high side of inclined plane recess 3 and the crest edge of grommet base member 1 is protruding platform 4, be equipped with convex lubricating oil backward flow channel groove on protruding platform 4, the tank bottom of lubricating oil backward flow channel groove is provided with step inclined plane 5, grommet base member ear 2, 2, The raised platform 4 and the step inclined plane 5 are inclined planes, and the upper and lower scraper rings 7 are positioned on the outer surface of the fluorine mixed resin coating 6.
In the invention, the inclination angle of the inclined plane groove 3 is 5-15 degrees, the inclination of the raised platform 4 is 5-15 degrees, the angle of the backing ring substrate lug part 2 is 5-20 degrees, and the inclination of the step inclined plane 5 is 15-45 degrees.
In the present invention, the outer surface of the liner ring base 1 is provided with a fluorine-based mixed resin coating 6.
The invention also discloses a preparation method of the three-combination piston oil ring, which comprises the following steps: the method comprises the following steps:
the method comprises the following steps: extruding a stainless steel strip with the thickness of 0.2-0.5 mm and the width of 1.4-3.8 mm into a wave-shaped steel strip with a regular wavelength through a common coupling gear;
step two: then, extruding and forming the lug parts of the lining ring matrix 1 through a pair of ultrathin coupling gears;
step three: at the moment, a supporting arm of the backing ring base body 1 and an inclined plane groove 3 on the supporting arm are formed through a pair of step coupling gears with circular truncated cone-shaped tooth surfaces;
step four: then, a convex platform 4 of the backing ring base body 1 and an inclined plane groove 3 on the convex platform 4 are formed through a pair of stepped coupling gears with ultrathin circular truncated cone-shaped tooth surfaces;
step five: winding and encircling the wave-shaped steel strip into a cylinder shape;
step six: performing stress-relief shaping heat treatment by using a heat treatment furnace to obtain a molding material;
step seven: cutting the molding material into a shape by a cutting device;
step eight: adopting alkaline washing and hydrocarbon washing;
step nine: spraying fluorine mixed resin on the surface of the workpiece by adopting a spray gun which automatically rotates at 360 degrees and has a spray head forming an angle of 45 degrees with the vertical plane;
step ten: curing the resin at the curing temperature of 120-150 ℃ for 15 minutes;
step eleven: turning over and spraying a resin coating;
step twelve: and sintering and drying in a mixing way, wherein the drying temperature is 150-180 ℃, and the drying time is 30 minutes.
According to the invention, the cutting device comprises a case 10, wherein a mounting frame 11 is fixedly connected to one side of the top of the case 10, a positioning disc 12 is fixedly connected to the top of the case 10, a mounting plate 13 is arranged inside the mounting frame 11, a clamping assembly 14 is arranged on one side of the mounting plate 13, and a cutting assembly 15 is fixedly connected to the top of the mounting frame 11;
the clamping assembly 14 comprises a hollow rod 141 and an isolation box 142 positioned at the top of the positioning disc 12, one end of the hollow rod 141 penetrates through the mounting plate 13 and extends to the outside of the mounting plate 13, a top rod 143 is connected to the inner surface of the hollow rod 141 in a sliding manner, a rotating handle 144 is fixedly connected to one end of the top rod 143, mounting holes are formed in the front surface and the back surface of the isolation box 142, a disc 145 is arranged on the inner surface of each mounting hole, a rolling groove 146 is formed in one side of the disc 145, a rolling ball 147 is arranged on the inner surface of the rolling groove 146, a plastic sleeve 148 is arranged on the outer surface of the rolling ball 147, one end of the top rod 143 is fixedly connected to one side of the disc 145 positioned on the back surface, a thrust spring 149 is sleeved on the outer surface of the top rod 143, one end of the thrust spring 149 is fixedly connected to one side of the disc 145, and the other end of the thrust spring 149 is fixedly connected to one end of the hollow rod 141, the other end fixedly connected with locating part 1410 of hollow rod 141, the surface fixedly connected with a plurality of stopper 1411 of ejector pin 143, through-hole 1412 has been seted up to one side of locating part 1410, the internal surface of through-hole 1412 and the surface looks adaptation of stopper 1411, through set up hollow rod 141 on mounting panel 13, ejector pin 143 and thrust spring 149 in the cooperation hollow rod 141, reuse roll groove 146 in the disc 145 and be located the plastic sheath 148 of spin 147 surface, can withstand the formed part to carry out the top tightly with the formed part, and under the promotion of external force, also can adjust the position of formed part, through stopper 1411 on the ejector pin 143 and through-hole 1412 on the locating part 1410, can carry out spacing to ejector pin 143 simultaneously, be convenient for place the formed part.
In the invention, a plurality of rotating rollers 1413 are arranged between two sides of the inner wall of the isolation box 142, the rotating rollers 1413 are positioned below the disc 145, the outer surface of the isolation box 142 is provided with a cutting groove 1414, and the outer surface of the plastic sleeve 148 is in rolling connection with the inner surface of the rolling groove 146.
In the invention, the cutting assembly 15 comprises a fixed shaft 151 fixedly connected to one side of a mounting frame 11, a motor base 152 is rotatably connected to the outer surface of the fixed shaft 151, a cutting motor 153 is fixedly connected to the top of the motor base 152, a cutting disc 154 is fixedly connected to one side of the cutting motor 153, a fixed rod 155 is fixedly connected to one side of the motor base 152, a support frame 156 is fixedly connected to the back of the mounting frame 11, the mounting frame 11 is arranged inside the support frame 156, a connecting plate is fixedly connected to the inside of the mounting frame 11, an electric telescopic rod 157 is fixedly connected to the bottom of the connecting plate, the output end of the electric telescopic rod 157 penetrates through the connecting plate and extends to the outside of the connecting plate, the top end of the electric telescopic rod 157 is rotatably connected to the outer surface of the fixed rod 155 through a rotating sleeve, and a formed part can be automatically cut through the cutting assembly 15, without excessive operation of workers.
In the invention, a waste drawer 16 is arranged inside a case 10, two sides of the waste drawer 16 are fixedly connected with two sides of the inner wall of the case 10 through pull rods 17, the top of the case 10 is provided with a first blanking port 18, one side of the top of an inner cavity of the case 10 is fixedly connected with a material pumping machine 19, a material pumping end of the material pumping machine 19 is communicated with a material pumping funnel 20, the outer surface of the material pumping funnel 20 is fixedly connected with the inner surface of the first blanking port 18, the bottom of the waste drawer 16 is provided with a second blanking port 21, two sides of the bottom of the waste drawer 16, which are positioned at the second blanking port 21, are both fixedly connected with chute plates 22, and a baffle plate 23 is slidably connected between the opposite sides of the two chute plates 22.
In the invention, the use method of the cutting device comprises the following steps: firstly, the top rod 143 in the hollow rod 141 is rotated through the rotating handle 144, so that the limiting block 1411 on the top rod 143 is aligned with the through hole 1412 on the limiting piece 1410, then the top rod 143 is pulled to move towards the side far away from the isolation box 142 through the rotating handle 144, so that the disc 145 slides in the mounting hole, at the moment, the thrust spring 149 is in a compressed state, and the top rod 143 is rotated reversely again, so that the through hole 1412 is dislocated with the limiting block 1411;
at the moment, the formed part is placed on a rotating roller 1413 in the isolation box 142, then the ejector rod 143 is rotated reversely, the limiting block 1411 on the ejector rod 143 is aligned with the through hole 1412 on the limiting piece 1410, the disc 145 moves to one side of the formed part under the action of the thrust spring 149, and the plastic sleeve 148 in the rolling groove 146 is in contact with the outer surface of the formed part, so that the formed part is tightly pressed, and then the formed part is pushed forcibly, so that the position needing to be cut is aligned with the cutting groove 1414;
at this moment, start cutting motor 153 on electric telescopic handle 157 and the motor cabinet 152, cutting motor 153 drives cutting disc 154 and rotates, and electric telescopic handle 157 extends, promote dead lever 155 through the minor axis connection, and then make mounting bracket 11 rotate at the surface of fixed axle 151, further drive cutting motor 153 and swing, and cutting disc 154 will cut the formed part from the inside of cutting groove 1414, start material pumping machine 19 simultaneously, material pumping funnel 20 produces the negative pressure, will cut down the sweeps and send to in waste drawer 16, when there is more waste material in waste drawer 16's inside, pull out waste drawer 16 through pull rod 17, and pull out baffle 23 from between two chute plates 22, make the waste material from second blanking mouth 21 department fall out can.
Effect verification
Case 1: the combined ring formed by the embodiment 1 of the patent has a height of 2.0mm and a combined radial thickness of 2.25mm, wherein the inclination angle of the bottom inclined plane of the circular arc-shaped groove on the doctor blade supporting arm of the backing ring base body is 10 degrees, 4 is preferably 10 degrees, 2 is preferably 15 degrees, and 5 is preferably 40 degrees. Compared with a three-combination oil ring which is formed in the prior art and has the height of 2.0mm and the combined radial thickness of 2.25mm, the oil consumption of the engine is reduced by 18.6 percent and the quality of residual carbon deposit on the surface of the oil ring is reduced by 26.4 percent through a 400-hour engine bench test.
Case 2: the three-combination oil ring formed by the combination ring formed by the embodiment 1 of the patent has the height of 2.0mm and the combined radial thickness of 2.25mm, wherein the inclination angle of the bottom inclined plane of the circular arc-shaped groove on the scraping blade supporting arm of the backing ring base body is 10 degrees, the inclination angle of the circular arc-shaped groove on the convex surface of the backing ring base body is preferably 10 degrees, the step inclined plane angle of the ear part of the backing ring base body is preferably 15 degrees, the inclination angle of the step inclined plane of the convex part of the backing ring base body is preferably 40 degrees, and the film thickness of the fluororesin coating on the surface of the backing ring base body is 5 microns. Compared with a three-combination oil ring which is formed in the prior art and has the height of 2.0mm and the combined radial thickness of 2.25mm, the oil consumption of the engine is reduced by 29.7 percent and the quality of residual carbon deposit on the surface of the oil ring is reduced by 35.9 percent through a 400-hour engine bench test.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (9)
1. The three-combination piston oil ring is characterized by comprising a liner ring base body (1), liner ring base body lug parts (2), an inclined plane groove (3), a raised platform (4), a step inclined plane (5) and an upper scraper ring and a lower scraper ring (7), wherein the liner ring base body (1) is of a wave structure along the bending direction of the liner ring base body, the middle part of a wave crest of the liner ring base body (1) is provided with the inclined plane groove (3) with two sides of unequal height along the width direction of the wave crest, the protruding part between the lower side of the inclined plane groove (3) and the edge of the wave crest of the liner ring base body (1) is the liner ring base body lug part (2), the protruding part between the high side of the inclined plane groove (3) and the edge of the wave crest of the liner ring base body (1) is the raised platform (4), the raised platform (4) is provided with a circular arc-shaped lubricating oil backflow channel groove, the groove bottom of the lubricating oil backflow channel groove is provided with the step inclined plane (5), the bushing ring base body ear portion (2), the protruding platform (4) and the step inclined plane (5) are inclined planes, and the upper scraper ring and the lower scraper ring (7) are located on the outer surface of the bushing ring base body (1).
2. The three-in-one piston oil ring as set forth in claim 1, characterized in that the inclination angle of said ramp groove (3) is 5 ° -15 °, the inclination of said boss land (4) is 5 ° -15 °, the angle of said liner ring base ear (2) is 5 ° -20 °, and the inclination of said stepped ramp (5) is 15 ° -45 °.
3. The three-combination piston oil ring as claimed in claim 1, wherein an outer surface of the liner ring base body (1) is coated with a fluorine-based hybrid resin coating layer (6).
4. A preparation method of a three-combination piston oil ring is characterized by comprising the following steps:
the method comprises the following steps: extruding a stainless steel strip with the thickness of 0.2-0.5 mm and the width of 1.4-3.8 mm into a wave-shaped steel strip with a regular wavelength through a common coupling gear;
step two: then, extruding and forming the bushing ring matrix ear part (2) by a pair of ultrathin coupling gears;
step three: at the moment, a supporting arm of a lining ring base body (1) and an inclined plane groove (3) on the supporting arm are formed through a pair of step coupling gears with circular truncated cone-shaped tooth surfaces;
step four: then, a convex platform (4) of the backing ring base body (1) and an inclined groove (3) on the convex platform (4) are formed through a pair of stepped coupling gears with ultrathin circular truncated cone-shaped tooth surfaces;
step five: winding and encircling the wave-shaped steel strip into a cylinder shape;
step six: performing stress-relief shaping heat treatment by using a heat treatment furnace to obtain a molding material;
step seven: and cutting and molding the molding material by a cutting device.
5. The method for preparing a three-combined piston oil ring according to claim 4, wherein the cutting device comprises a case (10), a mounting frame (11) is fixedly connected to one side of the top of the case (10), a positioning disc (12) is fixedly connected to the top of the case (10), a mounting plate (13) is arranged inside the mounting frame (11), a clamping assembly (14) is arranged on one side of the mounting plate (13), and a cutting assembly (15) is fixedly connected to the top of the mounting frame (11);
the clamping assembly (14) comprises a hollow rod (141) and an isolation box (142) positioned at the top of the positioning disc (12), one end of the hollow rod (141) penetrates through the mounting plate (13) and extends to the outside of the mounting plate (13), the inner surface of the hollow rod (141) is connected with a push rod (143) in a sliding manner, one end of the push rod (143) is fixedly connected with a rotating handle (144), mounting holes are formed in the front side and the back side of the isolation box (142), a disc (145) is arranged on the inner surface of each mounting hole, a rolling groove (146) is formed in one side of the disc (145), a rolling ball (147) is arranged on the inner surface of the rolling groove (146), a plastic sleeve (148) is arranged on the outer surface of the rolling ball (147), one end of the push rod (143) is fixedly connected with one side of the disc (145) positioned on the back side, and a thrust spring (149) is sleeved on the outer surface of the push rod (143), one end of the thrust spring (149) is fixedly connected with one side of the disc (145), the other end of the thrust spring (149) is fixedly connected with one end of the hollow rod (141), the other end of the hollow rod (141) is fixedly connected with a limiting piece (1410), the outer surface of the ejector rod (143) is fixedly connected with a plurality of limiting blocks (1411), one side of the limiting piece (1410) is provided with a through hole (1412), and the inner surface of the through hole (1412) is matched with the outer surface of the limiting block (1411).
6. The method for manufacturing the three-combination piston oil ring as claimed in claim 5, wherein a plurality of rotating rollers (1413) are arranged between two sides of the inner wall of the isolation box (142), the rotating rollers (1413) are positioned below the disc (145), the outer surface of the isolation box (142) is provided with a cutting groove (1414), and the outer surface of the plastic sleeve (148) is in rolling connection with the inner surface of the rolling groove (146).
7. The method for preparing a three-combined piston oil ring as claimed in claim 5, wherein the cutting assembly (15) comprises a fixed shaft (151) fixedly connected to one side of a mounting frame (11), a motor base (152) is rotatably connected to the outer surface of the fixed shaft (151), a cutting motor (153) is fixedly connected to the top of the motor base (152), a cutting disc (154) is fixedly connected to one side of the cutting motor (153), a fixing rod (155) is fixedly connected to one side of the motor base (152), a supporting frame (156) is fixedly connected to the back of the mounting frame (11), the mounting frame (11) is arranged inside the supporting frame (156), a connecting plate is fixedly connected to the inside of the mounting frame (11), an electric telescopic rod (157) is fixedly connected to the bottom of the connecting plate, and the output end of the electric telescopic rod (157) penetrates through the connecting plate and extends to the outside of the connecting plate, the top end of the electric telescopic rod (157) is rotatably connected with the outer surface of the fixed rod (155) through a rotating sleeve.
8. The method of manufacturing a three-in-one piston oil ring according to claim 5, a waste drawer (16) is arranged in the case (10), two sides of the waste drawer (16) are fixedly connected with two sides of the inner wall of the case (10) through pull rods (17), a first blanking port (18) is arranged at the top of the case (10), one side of the top of the inner cavity of the case (10) is fixedly connected with a material pumping machine (19), the material pumping end of the material pumping machine (19) is communicated with a material pumping funnel (20), the outer surface of the material pumping funnel (20) is fixedly connected with the inner surface of the first blanking port (18), the second blanking mouth (21) has been seted up to the bottom of waste material drawer (16), the equal fixedly connected with chute board (22) in both sides that the bottom of waste material drawer (16) just is located second blanking mouth (21), two sliding connection has baffle (23) between the relative one side of chute board (22).
9. The method of manufacturing a three-in-one piston oil ring as set forth in claim 4, wherein the shut-off device is used by: firstly, a top rod (143) in a hollow rod (141) is rotated through a rotating handle (144), so that a limiting block (1411) on the top rod (143) is aligned with a through hole (1412) in a limiting piece (1410), then the top rod (143) is pulled to move towards one side far away from an isolation box (142) through the rotating handle (144), so that a disc (145) slides in an installation hole, at the moment, a thrust spring (149) is in a compression state, the top rod (143) is rotated reversely again, and the through hole (1412) is dislocated with the limiting block (1411);
at the moment, the formed part is placed on a rotating roller (1413) in an isolation box (142), then the ejector rod (143) is rotated reversely, a limiting block (1411) on the ejector rod (143) is aligned with a through hole (1412) in a limiting piece (1410) again, the disc (145) moves to one side of the formed part under the action of the thrust spring (149), a plastic sleeve (148) in the rolling groove (146) is contacted with the outer surface of the formed part, so that the formed part is tightly pressed, then the formed part is pushed forcibly, and the position needing to be cut is aligned with the cutting groove (1414);
at the moment, the cutting motor (153) on the electric telescopic rod (157) and the motor base (152) is started, the cutting motor (153) drives the cutting disc (154) to rotate, the electric telescopic rod (157) extends to push the fixing rod (155) connected by the short shaft, thereby enabling the mounting rack (11) to rotate on the outer surface of the fixed shaft (151) and further driving the cutting motor (153) to swing, and the cutting disc (154) will cut the formed part from the inside of the cutting groove (1414), simultaneously, the material pumping machine (19) is started, the material pumping funnel (20) generates negative pressure, the cut scraps are sent into the scrap drawer (16), when more waste materials exist in the waste material drawer (16), the waste material drawer (16) is pulled out through the pull rod (17), and the baffle plate (23) is pulled out from between the two chute plates (22) so that the waste material is dropped out from the second blanking port (21).
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| CN202110259866.4A CN113154035B (en) | 2021-03-10 | 2021-03-10 | Three-combination piston oil ring and preparation method thereof |
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| CN202110259866.4A CN113154035B (en) | 2021-03-10 | 2021-03-10 | Three-combination piston oil ring and preparation method thereof |
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Cited By (1)
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| CN114178436A (en) * | 2021-11-10 | 2022-03-15 | 安庆帝伯格茨活塞环有限公司 | Method for processing diesel engine ring and forming equipment thereof |
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