CN114770249A - Numerical control polisher for inner surface of blank - Google Patents
Numerical control polisher for inner surface of blank Download PDFInfo
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- CN114770249A CN114770249A CN202210494141.8A CN202210494141A CN114770249A CN 114770249 A CN114770249 A CN 114770249A CN 202210494141 A CN202210494141 A CN 202210494141A CN 114770249 A CN114770249 A CN 114770249A
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- Prior art keywords
- polishing
- blank
- elastic
- head
- plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/06—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces internally
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/06—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces internally
- B24B5/08—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces internally involving a vertical tool spindle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/12—Devices for exhausting mist of oil or coolant; Devices for collecting or recovering materials resulting from grinding or polishing, e.g. of precious metals, precious stones, diamonds or the like
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention belongs to the technical field of blank processing, and particularly relates to a numerical control grinding machine for the inner surface of a blank, which comprises a machine body, a motor, a main shaft, a three-jaw chuck, a grinding head and an elastic grinding sheet, wherein the machine body is provided with a grinding head and a grinding head; a motor is fixedly connected to the top surface of the machine body, a spindle is fixedly connected to a rotating shaft of the motor, a polishing head is fixedly connected to the bottom end of the spindle, a three-jaw chuck is arranged on the top surface of a base of the machine body, a blank is clamped in the middle of the three-jaw chuck, a plurality of elastic polishing sheets are arranged on the outer wall of the polishing head, and the outer ring of each elastic polishing sheet is in sliding fit with the inner surface of the blank; the blank is fixedly locked through the three-jaw chuck, the vertical moving mechanism of the machine body pushes the polishing head to be inserted into a middle hole of the blank, the elastic polishing piece is in contact with the inner surface of the blank, the motor drive spindle rotates to drive the polishing head to rotate, the elastic polishing piece is driven to rotate, the elasticity of the elastic polishing piece enables the elastic polishing piece to be attached to the inner surface of the blank with different sizes to be polished, and the application range of the polishing machine is widened.
Description
Technical Field
The invention belongs to the technical field of blank processing, and particularly relates to a numerical control grinding machine for the inner surface of a blank.
Background
The blank is a presintered body or a sintered body which is subjected to primary compaction or does not reach the final size and shape, after the primary processing of the blank is finished, a product needs to be obtained through multiple procedures, after the primary processing of the blank, the blank needs to be shaped, and the surface of the blank needs to be polished so as to improve the quality of the blank.
A chinese patent with publication number CN111941165A discloses a cylinder part inner and outer ring equipment of polishing, relates to spare part processing technology field, has solved current cylinder part and can only polish the operation to the cylinder part of single specification, and can't all polish the problem of operation to inner and outer lane simultaneously. A polishing device for inner and outer rings of a cylindrical part comprises a vertical plate, a horizontal plate, a machine plate, a rotating motor, a pinion, a gearwheel, a rotating disk, a fixing mechanism and the like; the horizontal plate is fixedly arranged at one end of the vertical plate, a large through hole is formed in the vertical plate, the machine plate is fixedly arranged on one side face of the vertical plate, and the rotating motor is fixedly arranged on the machine plate. The polishing machine not only can polish cylindrical parts with different inner diameters and different thicknesses, but also can polish special cylindrical parts with solid parts and hollow parts, has strong functionality, and can meet the polishing requirements of more cylindrical parts.
Present mode of polishing to the blank internal surface is mostly inside directly inserting the blank with the head of polishing, polishes the blank internal surface through the rotation of the head of polishing, and this kind of mode of polishing can only be polished to the round hole of internal surface standard, simultaneously, can only polish to the round hole of same specification, can't be applicable to and polish under the condition of the blank internal surface irregularity with the size nonconformity.
Therefore, the invention provides a numerical control grinding machine for the inner surface of a blank.
Disclosure of Invention
To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.
The technical scheme adopted by the invention for solving the technical problem is as follows: the invention relates to a numerical control grinding machine for the inner surface of a blank, which comprises a machine body, a motor, a main shaft, a three-jaw chuck, a grinding head and an elastic grinding sheet, wherein the grinding head is arranged on the machine body; a motor is fixedly connected to the top surface of the machine body, a spindle is fixedly connected to a rotating shaft of the motor, a polishing head is fixedly connected to the bottom end of the spindle, a three-jaw chuck is arranged on the top surface of a base of the machine body, a blank is clamped in the middle of the three-jaw chuck, a plurality of elastic polishing sheets are arranged on the outer wall of the polishing head, and the outer ring of each elastic polishing sheet is in sliding fit with the inner surface of the blank; during operation, through the fixed locking of three-jaw chuck with the blank, the vertical moving mechanism of organism promotes to polish the head and inserts in the middle part hole of blank, and elasticity polishing piece contacts the internal surface of blank, and motor drive main shaft rotates, drives to polish the head and rotates, drives elasticity polishing piece and rotates, and elasticity polishing piece's elasticity for the internal surface of the different size blanks of elasticity polishing piece laminating is polished, has improved the application scope of polisher.
Preferably, the outer wall of the polishing head is provided with a plurality of mounting grooves, the middle parts of the mounting grooves are circular, four grooves are uniformly formed in the outer rings of the mounting grooves, elastic polishing sheets are slidably mounted inside the mounting grooves, four legs of each elastic polishing sheet are respectively in sliding fit with the four grooves of the mounting groove, and a first spring is fixedly connected between each four leg of each elastic polishing sheet and each four groove of the mounting groove; during operation, elasticity piece contact blank's internal surface of polishing for elasticity piece of polishing slides in the inside of mounting groove, makes a spring compression, and through the elasticity of a spring, makes elasticity polishing piece laminate the internal surface of blank all the time, thereby is convenient for polish the work to the internal surface of not unidimensional blank.
Preferably, a cavity is formed in the polishing head, an air hole is formed in the main shaft, an air bag is fixedly connected between the top surface and the bottom surface of the inner wall of the cavity and communicated with the air hole, the top end of the air hole is communicated with an air pump through an air pipe, a plurality of push rods are slidably mounted in the polishing head, one end of each push rod penetrates through the inner wall of the mounting groove, and the other end of each push rod is fixedly connected with the outer ring of the air bag; when the polishing machine works, the polishing head is inserted into the hole in the middle of the blank, the air pump presses air into the air bag to expand the air bag, the air bag fills the cavity, the push rod is pushed into the mounting groove, and the push rod pushes the elastic polishing sheet out of the mounting groove, so that the polishing strength of the elastic polishing sheet is further improved, and the cleaning degree of polishing the inner surface of the blank is further improved; after polishing, the air pump takes out the gas in the gasbag for the gasbag shrink drives in the push rod area returns the cavity, drives elasticity piece of polishing and draws back in the mounting groove, thereby has reduced elasticity and has polished the piece and to polishing the influence that the head shifted out the blank.
Preferably, the outer ring of the push rod is fixedly connected with a plurality of arc-shaped elastic strips in a surrounding mode, one ends, far away from the air bag, of the arc-shaped elastic strips are semicircular arc strips, and one sides, far away from the air bag, of the arc-shaped elastic strips are in sliding fit with the inner wall of the cavity; during operation, the arc bullet strip is fixed with the push rod centre gripping, has improved the stability of the removal of push rod, and simultaneously, the elasticity of arc bullet strip promotes the push rod and extrudees the gasbag to further improved the degree that the gasbag contracts, improved the degree of regaining of elasticity polishing piece simultaneously.
Preferably, an arc-shaped annular plate is fixedly connected to the bottom end of the polishing head in a surrounding mode, a plurality of through grooves are formed in the outer wall of the arc-shaped annular plate, a collecting concave plate is fixedly connected to the bottom end of the arc-shaped annular plate, a recovery door is connected to the bottom surface of the collecting concave plate in a bolted mode, a plurality of elastic plates are fixedly connected to the top surface of the collecting concave plate, the inner wall of each elastic plate is in sliding fit with the outer wall of the polishing head, and the outer wall of each elastic plate is in sliding fit with the inner surface of the blank; the during operation, the head of polishing rotates, drives the elastic plate and rotates for a plurality of elastic plates rotate and form the ring, and when elasticity polishing piece was polished to the internal surface of blank, the piece of polishing that produces fell, received blockking of elastic plate, through leading to the groove, in gathering the concave plate, thereby reduced the probability that the piece of polishing was stained with the internal surface of blank, reduced the probability that the piece of polishing fell to the operation panel of organism.
Preferably, the bottom surface of the cavity is provided with a plurality of sliding grooves in a surrounding manner, a push plate is slidably mounted inside the sliding grooves, the top of the push plate is in sliding fit with the side wall of the air bag, a guide rod is fixedly connected inside the sliding grooves and penetrates through the push plate in a sliding manner, a second spring is sleeved on one side, away from the air bag, of the guide rod, a plurality of sliding holes are formed in the outer ring of the bottom of the cavity, the sliding holes are communicated with the sliding grooves, a connecting rod is slidably mounted inside the sliding holes, one end of the connecting rod is fixedly connected with the push plate, and the other end of the connecting rod is fixedly connected with the elastic plate; when the automatic polishing machine works, the polishing head is inserted into the middle hole of the blank, the air bag expands, the push plate is pushed to slide along the guide rod, the second spring is compressed, the connecting rod is pushed to slide into the sliding hole, the elastic plate is pushed to rotate, the elastic plate is attached to the inner surface of the blank, and the collecting effect of polishing debris is improved; after polishing and accomplishing, the gasbag contracts, and No. two spring resets, promotes the push rod and resets, drives in the connecting rod slides in the spout, with the outer wall of elastic plate pulling laminating polishing head, has reduced the probability that the piece of polishing that collects splashes out and collects the concave plate, simultaneously, has reduced the influence that shifts out the blank to polishing head.
Preferably, one side of the connecting rod, which is close to the push plate, is a hard straight rod, one side of the connecting rod, which is close to the elastic plate, is a soft arc rod, and the length of the hard straight rod is the same as that of the sliding chute; one end of the connecting rod is designed to be a hard straight rod, so that the push plate can push the connecting rod to slide conveniently; one end of the connecting rod is designed to be a soft arc rod, so that the elastic plate can be conveniently pushed to unfold and fold.
Preferably, an elastic rope is fixedly connected inside the through groove, a plurality of elliptical bags are arranged in the middle of the elastic rope, adjacent elliptical bags are in contact with each other, and the outer walls of the elliptical bags are in sliding fit with the inside of the through groove; when the elastic plate is unfolded, the arc-shaped ring plate is driven to bend, so that the elastic rope is stretched, the elliptical bag is stretched, the through groove is exposed, and polishing debris passes through the through groove and enters the collecting concave plate; when the elastic plate is folded, the arc-shaped annular plate is reset, the elastic rope and the elliptical bag are reset, the through groove is sealed, and the probability that collected polishing debris splashes out of the collecting concave plate is further reduced.
Preferably, the top of the outer wall of the elastic plate is provided with a fluff strip, and the fluff of the fluff strip is in sliding fit with the inner surface of the blank; when the polishing head moves out of the middle hole of the blank in operation, the fluff of the fluff strips cleans the middle hole of the blank, so that the cleaning degree of the inner surface of the blank is further improved.
The invention has the following beneficial effects:
1. the invention relates to a numerical control polisher for inner surfaces of blanks, which is characterized in that a polishing head, an elastic polishing piece, an air bag and a push rod are arranged; the polishing head is inserted into a hole in the middle of the blank, the air pump presses air into the air bag to expand the air bag, the air bag fills the cavity, the push rod is pushed into the mounting groove, the push rod pushes the elastic polishing piece to be pushed out of the mounting groove, and the elastic polishing piece is always attached to the inner surface of the blank, so that the polishing work on the inner surfaces of the blanks with different sizes is facilitated; after polishing, the air pump takes out the gas in the gasbag for the gasbag shrink drives in the push rod area returns the cavity, drives elasticity piece of polishing and draws back the mounting groove in, has reduced the influence that elasticity piece of polishing shifted out the blank to the head of polishing.
2. The invention relates to a numerical control grinding machine for the inner surface of a blank, which is characterized in that an arc-shaped annular plate, a collecting concave plate and an elastic plate are arranged; the head of polishing rotates, drives the elastic plate and rotates for a plurality of elastic plates rotate and form the ring, and when elasticity polishing piece was polished the internal surface of blank, the piece of polishing that produces fell, received blockking of elastic plate, through leading to the groove, gather in the collection concave plate, thereby reduced the probability that the piece of polishing was stained with the internal surface of blank, reduced the probability that the piece of polishing fell to the operation panel of organism.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is a front view of a first embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a cross-sectional view taken at B-B of FIG. 3;
FIG. 5 is an enlarged view of a portion of FIG. 3 at C;
FIG. 6 is an enlarged view of a portion of FIG. 3 at D;
FIG. 7 is an enlarged view of a portion E of FIG. 6;
FIG. 8 is a partial structural view of a second resilient polishing pad according to an embodiment of the present invention;
in the figure: 1. a body; 2. a motor; 3. a main shaft; 4. a three-jaw chuck; 5. polishing heads; 6. elastic polishing sheets; 7. a blank; 8. mounting grooves; 9. a first spring; 10. a cavity; 11. air holes; 12. an air bag; 13. a push rod; 14. an arc-shaped elastic strip; 15. an arc-shaped ring plate; 16. a through groove; 17. collecting the concave plate; 18. an elastic plate; 19. a chute; 20. pushing the plate; 21. a guide bar; 22. a second spring; 23. a slide hole; 24. a connecting rod; 25. a spring rope; 26. an elliptical bladder; 27. a fluff strip; 28. mounting holes; 29. and (5) polishing the sleeve head.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example one
As shown in fig. 1 to 3, the numerical control sander for inner surface of blank according to the embodiment of the present invention comprises a machine body 1, a motor 2, a spindle 3, a three-jaw chuck 4, a sanding head 5 and an elastic sanding sheet 6; a motor 2 is fixedly connected to the top surface of the machine body 1, a spindle 3 is fixedly connected to a rotating shaft of the motor 2, a polishing head 5 is fixedly connected to the bottom end of the spindle 3, a three-jaw chuck 4 is arranged on the top surface of a base of the machine body 1, a blank 7 is clamped in the middle of the three-jaw chuck 4, a plurality of elastic polishing sheets 6 are arranged on the outer wall of the polishing head 5, and the outer ring of each elastic polishing sheet 6 is in sliding fit with the inner surface of the blank 7; during operation, the blank 7 is fixedly locked through the three-jaw chuck 4, the vertical moving mechanism of the machine body 1 pushes the polishing head 5 to be inserted into a hole in the middle of the blank 7, the elastic polishing piece 6 contacts the inner surface of the blank 7, the motor 2 drives the main shaft 3 to rotate, the polishing head 5 is driven to rotate, the elastic polishing piece 6 is driven to rotate, the elasticity of the elastic polishing piece 6 enables the elastic polishing piece 6 to be attached to the inner surface of the blank 7 in different sizes to be polished, and the application range of the polishing machine is widened.
As shown in fig. 3 to 5, the outer wall of the polishing head 5 is provided with a plurality of mounting grooves 8, the middle of each mounting groove 8 is circular, four grooves are uniformly formed in the outer ring of each mounting groove 8, an elastic polishing sheet 6 is slidably mounted inside each mounting groove 8, four legs of each elastic polishing sheet 6 are respectively in sliding fit with the four grooves of each mounting groove 8, and a first spring 9 is fixedly connected between each four leg of each elastic polishing sheet 6 and each four groove of each mounting groove 8; during operation, elasticity polishing piece 6 contacts the internal surface of blank 7 for elasticity polishing piece 6 slides in the inside of mounting groove 8, makes a spring 9 compression, through the elasticity of a spring 9, makes elasticity polishing piece 6 laminate the internal surface of blank 7 all the time, thereby is convenient for polish the work to the internal surface of not unidimensional blank 7.
A cavity 10 is formed in the polishing head 5, an air hole 11 is formed in the main shaft 3, an air bag 12 is fixedly connected between the top surface and the bottom surface of the inner wall of the cavity 10, the air bag 12 is communicated with the air hole 11, the top end of the air hole 11 is communicated with an air pump through an air pipe, a plurality of push rods 13 are slidably mounted in the polishing head 5, one end of each push rod 13 penetrates through the inner wall of the mounting groove 8, and the other end of each push rod 13 is fixedly connected with the outer ring of the air bag 12; when the polishing machine works, the polishing head 5 is inserted into a hole in the middle of the blank 7, the air pump presses air into the air bag 12 to enable the air bag 12 to expand, the air bag 12 fills the cavity 10, the push rod 13 is pushed into the mounting groove 8, the push rod 13 pushes the elastic polishing sheet 6 to be pushed out of the mounting groove 8, the polishing strength of the elastic polishing sheet 6 is further improved, and therefore the cleaning degree of polishing the inner surface of the blank 7 is further improved; after polishing, the air pump pumps out the air in the air bag 12, so that the air bag 12 contracts to drive the push rod 13 to be brought back into the cavity 10 and drive the elastic polishing piece 6 to be pulled back into the mounting groove 8, thereby reducing the influence of the elastic polishing piece 6 on the removal of the polishing head 5 from the blank 7.
A plurality of arc-shaped elastic strips 14 are fixedly connected to the outer ring of the push rod 13 in a surrounding manner, one ends, far away from the air bag 12, of the arc-shaped elastic strips 14 are semicircular arc strips, and one sides, far away from the air bag 12, of the arc-shaped elastic strips 14 are in sliding fit with the inner wall of the cavity 10; during operation, arc bullet strip 14 is fixed with push rod 13 centre gripping, has improved the stability of the removal of push rod 13, and simultaneously, the elasticity of arc bullet strip 14 promotes push rod 13 and extrudees gasbag 12 to further improved the degree that gasbag 12 contracts, improved the degree of withdrawing to elasticity polishing piece 6 simultaneously.
As shown in fig. 3 and 6, an arc-shaped ring plate 15 is fixedly connected to the bottom end of the polishing head 5 in a surrounding manner, a plurality of through grooves 16 are formed in the outer wall of the arc-shaped ring plate 15, a collecting concave plate 17 is fixedly connected to the bottom end of the arc-shaped ring plate 15, a recovery door is bolted to the bottom surface of the collecting concave plate 17, a plurality of elastic plates 18 are fixedly connected to the top surface of the collecting concave plate 17, the inner walls of the elastic plates 18 are in sliding fit with the outer wall of the polishing head 5, and the outer walls of the elastic plates 18 are in sliding fit with the inner surface of the blank 7; during operation, the head of polishing 5 rotates, drives the elastic plate 18 and rotates for a plurality of elastic plates 18 rotate and form the ring, and when elasticity polishing piece 6 was polished to the internal surface of blank 7, the piece of polishing that produces fell, received blockking of elastic plate 18, through leading to groove 16, gather in collecting concave plate 17, thereby reduced the probability that the piece of polishing was stained with the internal surface of blank 7, reduced the probability that the piece of polishing fell to the operation panel of organism 1.
The bottom surface of the cavity 10 is provided with a plurality of sliding grooves 19 in a surrounding manner, a push plate 20 is slidably mounted inside the sliding grooves 19, the top of the push plate 20 is in sliding fit with the side wall of the air bag 12, a guide rod 21 is fixedly connected inside the sliding grooves 19, the guide rod 21 penetrates through the push plate 20 in a sliding manner, a second spring 22 is sleeved on one side, away from the air bag 12, of the guide rod 21, a plurality of sliding holes 23 are formed in the outer ring of the bottom of the cavity 10, the sliding holes 23 are communicated with the sliding grooves 19, a connecting rod 24 is slidably mounted inside the sliding holes 23, one end of the connecting rod 24 is fixedly connected with the push plate 20, and the other end of the connecting rod 24 is fixedly connected with the elastic plate 18; when the grinding head device works, the grinding head 5 is inserted into the middle hole of the blank 7, the air bag 12 expands to push the push plate 20 to slide along the guide rod 21, so that the second spring 22 is compressed, the connecting rod 24 is pushed to slide into the sliding hole 23, the elastic plate 18 is pushed to rotate, the elastic plate 18 is attached to the inner surface of the blank 7, and the collection effect of grinding scraps is improved; after polishing, the air bag 12 contracts, the second spring 22 resets, the push rod 13 is pushed to reset, the connecting rod 24 is driven to slide into the sliding groove 19, the elastic plate 18 is pulled to be attached to the outer wall of the polishing head 5, the probability that collected polishing debris splashes out of the collecting concave plate 17 is reduced, and meanwhile, the influence on the removal of the polishing head 5 out of the blank 7 is reduced.
One side of the connecting rod 24 close to the push plate 20 is a hard straight rod, one side of the connecting rod 24 close to the elastic plate 18 is a soft arc rod, and the length of the hard straight rod is the same as that of the sliding groove 19; one end of the connecting rod 24 is designed to be a hard straight rod, so that the push plate 20 can push the connecting rod 24 to slide conveniently; one end of the connecting rod 24 is designed as a soft arc rod, which is convenient for pushing the elastic plate 18 to unfold and fold.
As shown in fig. 7, an elastic rope 25 is fixedly connected inside the through slot 16, a plurality of elliptical bags 26 are arranged in the middle of the elastic rope 25, adjacent elliptical bags 26 are in contact with each other, and the outer walls of the elliptical bags 26 are in sliding fit with the inside of the through slot 16; when the elastic plate 18 is unfolded, the arc-shaped ring plate 15 is driven to bend, so that the elastic rope 25 is stretched, the elliptical bag 26 is stretched, the through groove 16 is exposed, and polishing debris passes through the through groove 16 and enters the collecting concave plate 17; when the elastic plate 18 is folded, the arc-shaped ring plate 15 is reset, the elastic rope 25 and the elliptical sac 26 are reset, the through groove 16 is sealed, and the probability that collected grinding debris splashes out of the collecting concave plate 17 is further reduced.
As shown in fig. 6, the top of the outer wall of the elastic plate 18 is provided with a fluff strip 27, and the fluff of the fluff strip 27 is in sliding fit with the inner surface of the blank 7; in operation, when the sanding head 5 moves out of the central hole of the blank 7, the fluff of the fluff strip 27 is caused to sweep the central hole of the blank 7, thereby further improving the cleanliness of the inner surface of the blank 7.
Example two
As shown in fig. 8, a first comparative example, in which another embodiment of the present invention is: a plurality of mounting holes 28 are formed in the convex surface of the elastic polishing sheet 6, polishing sleeve heads 29 are screwed in the mounting holes 28, and a protrusion is arranged on one side, away from the mounting holes 28, of each polishing sleeve head 29; during work, the polishing sleeve head 29 installed by the screw polishes the inner surface of the blank 7, and after the polishing sleeve head 29 is abraded, workers can replace the polishing sleeve head conveniently, so that the service life of the polishing head 5 is prolonged.
When in work: placing a blank 7 on the top of a three-jaw chuck 4, fixing and locking the blank 7 by using the three-jaw chuck 4, pushing a polishing head 5 into a hole in the middle of the blank 7 by a vertical moving mechanism of a machine body 1, pressing gas into a gas bag 12 by an air pump to expand the gas bag 12, filling the cavity 10 with the gas bag 12, pushing a push rod 13 into a mounting groove 8, pushing the elastic polishing sheet 6 out of the mounting groove 8 by the push rod 13, and enabling the elastic polishing sheet 6 to be always attached to the inner surface of the blank 7; meanwhile, the air bag 12 expands to push the push plate 20 to slide along the guide rod 21, so that the second spring 22 is compressed, the connecting rod 24 is pushed to slide into the sliding hole 23, the elastic plate 18 is pushed to expand, the arc-shaped ring plate 15 is driven to bend, the elastic rope 25 is stretched, the elliptical bag 26 is stretched, the through groove 16 is exposed, and the elastic plate 18 is attached to the inner surface of the blank 7; the elastic polishing sheet 6 is attached to the inner surfaces of the blanks 7 with different sizes for polishing, so that the application range of the polishing machine is widened.
The motor 2 drives the main shaft 3 to rotate, drives the polishing head 5 to rotate, drives the elastic polishing sheet 6 to rotate, polishes the inner surface of the blank 7, and the polished chips fall down and are blocked by the elastic plate 18, pass through the through groove 16 and are collected in the collecting concave plate 17; the probability that grinding scraps are stuck to the inner surface of the blank 7 and the operating table of the machine body 1 is reduced;
after polishing is finished, the air pump pumps out air in the air bag 12, so that the air bag 12 contracts to drive the push rod 13 to be brought back into the cavity 10 and drive the elastic polishing piece 6 to be pulled back into the mounting groove 8, and the influence of the elastic polishing piece 6 on the movement of the polishing head 5 out of the blank 7 is reduced; meanwhile, the air bag 12 contracts, the second spring 22 resets, the push rod 13 is pushed to reset, the connecting rod 24 is driven to slide into the sliding groove 19, the elastic plate 18 is pulled to be attached to the outer wall of the polishing head 5, the arc-shaped annular plate 15 resets, the elastic rope 25 and the elliptical bag 26 reset, the through groove 16 is sealed, and therefore the probability that collected polishing debris splashes out of the collecting concave plate 17 is further reduced.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing shows and describes the general principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A numerical control grinding machine for inner surfaces of blanks is characterized in that: comprises a machine body (1), a motor (2), a main shaft (3), a three-jaw chuck (4), a polishing head (5) and an elastic polishing piece (6); the top surface rigid coupling of organism (1) has motor (2), the pivot rigid coupling of motor (2) has main shaft (3), the bottom rigid coupling of main shaft (3) has sanding head (5), the base top surface of organism (1) is provided with three-jaw chuck (4), the middle part clamp of three-jaw chuck (4) has blank (7), the outer wall of sanding head (5) is provided with a plurality of elasticity sanding piece (6), the outer lane of elasticity sanding piece (6) and the internal surface sliding fit of blank (7).
2. The numerical control sander for interior surface of a blank according to claim 1, wherein: a plurality of mounting grooves (8) have been seted up to the outer wall of sanding head (5), the middle part of mounting groove (8) is circular, and the outer lane of mounting groove (8) evenly is provided with four recesses, the inside slidable mounting of mounting groove (8) has elasticity sanding piece (6), four feet of elasticity sanding piece (6) respectively with four recess sliding fit of mounting groove (8), the rigid coupling has spring (9) No. one between four feet of elasticity sanding piece (6) and four recesses of mounting groove (8).
3. The numerical control grinder for the inner surface of a blank according to claim 2, wherein: cavity (10) have been seted up to the inside of polishing head (5), gas pocket (11) have been seted up to the inside of main shaft (3), the rigid coupling has gasbag (12) between the inner wall top surface of cavity (10) and the bottom surface, gasbag (12) intercommunication gas pocket (11), trachea intercommunication air pump is passed through on the top of gas pocket (11), a plurality of push rods (13) of inside slidable mounting of polishing head (5), the inner wall of mounting groove (8) is run through to the one end of push rod (13), the other end of push rod (13) and the outer lane rigid coupling of gasbag (12).
4. A numerical control grinder for the inner surface of a blank according to claim 3, wherein: the outer ring of push rod (13) encircles the rigid coupling and has a plurality of arc bullet strips (14), the one end that gasbag (12) were kept away from in arc bullet strip (14) is semi-circular arc strip, the one side that gasbag (12) were kept away from in arc bullet strip (14) and the inner wall sliding fit of cavity (10).
5. The numerical control sander for an interior surface of a blank according to claim 3, wherein: the bottom of head (5) of polishing encircles the rigid coupling has arc crown plate (15), a plurality of logical grooves (16) have been seted up to the outer wall of arc crown plate (15), the bottom rigid coupling of arc crown plate (15) has collection concave plate (17), the bottom surface bolt joint of collecting concave plate (17) has the recovery door, the top surface rigid coupling of collecting concave plate (17) has a plurality of elastic plates (18), the inner wall of elastic plate (18) and the outer wall sliding fit of head (5) of polishing, the outer wall of elastic plate (18) and the internal surface sliding fit of blank (7).
6. The numerical control sander for an interior surface of a blank according to claim 5, wherein: the bottom surface of cavity (10) encircles has seted up a plurality of spout (19), the inside slidable mounting of spout (19) has push pedal (20), the top of push pedal (20) and the lateral wall sliding fit of gasbag (12), the inside rigid coupling of spout (19) has guide arm (21), guide arm (21) slide and run through push pedal (20), one side cover that gasbag (12) were kept away from in guide arm (21) is equipped with No. two spring (22), a plurality of slotted holes (23) have been seted up to the bottom outer lane of cavity (10), slotted hole (23) intercommunication spout (19), the inside slidable mounting of slotted hole (23) has connecting rod (24), the one end and push pedal (20) rigid coupling of connecting rod (24), the other end and elastic plate (18) rigid coupling of connecting rod (24).
7. The numerical control grinder for the inner surface of a blank according to claim 6, wherein: one side of the connecting rod (24) close to the push plate (20) is a hard straight rod, one side of the connecting rod (24) close to the elastic plate (18) is a soft arc rod, and the length of the hard straight rod is the same as that of the sliding groove (19).
8. The numerical control grinder for the inner surface of a blank according to claim 5, wherein: the elastic rope (25) is fixedly connected inside the through groove (16), a plurality of elliptical bags (26) are arranged in the middle of the elastic rope (25) and are adjacent to each other, the elliptical bags (26) are in contact with each other, and the outer walls of the elliptical bags (26) are in sliding fit with the inside of the through groove (16).
9. The numerical control grinder for the inner surface of a blank according to claim 5, wherein: the top of the outer wall of the elastic plate (18) is provided with a fluff strip (27), and fluff of the fluff strip (27) is in sliding fit with the inner surface of the blank (7).
10. The numerical control grinder for the inner surface of a blank according to claim 1, wherein: a plurality of mounting holes (28) are formed in the convex surface of the elastic polishing piece (6), a polishing sleeve head (29) is mounted in the mounting holes (28) through screws, and a protrusion is arranged on one side, away from the mounting holes (28), of the polishing sleeve head (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210494141.8A CN114770249A (en) | 2022-05-05 | 2022-05-05 | Numerical control polisher for inner surface of blank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210494141.8A CN114770249A (en) | 2022-05-05 | 2022-05-05 | Numerical control polisher for inner surface of blank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114770249A true CN114770249A (en) | 2022-07-22 |
Family
ID=82434600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210494141.8A Withdrawn CN114770249A (en) | 2022-05-05 | 2022-05-05 | Numerical control polisher for inner surface of blank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114770249A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114986314A (en) * | 2022-08-04 | 2022-09-02 | 扬州江峰机械制造有限公司 | Water gap polishing equipment for cast rocker arm assembly |
| CN116619158A (en) * | 2023-07-14 | 2023-08-22 | 江苏菲尔特液压机械有限公司 | Equipment of polishing of cartridge valve barrel pipe fitting |
-
2022
- 2022-05-05 CN CN202210494141.8A patent/CN114770249A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114986314A (en) * | 2022-08-04 | 2022-09-02 | 扬州江峰机械制造有限公司 | Water gap polishing equipment for cast rocker arm assembly |
| CN116619158A (en) * | 2023-07-14 | 2023-08-22 | 江苏菲尔特液压机械有限公司 | Equipment of polishing of cartridge valve barrel pipe fitting |
| CN116619158B (en) * | 2023-07-14 | 2024-01-05 | 江苏菲尔特液压机械有限公司 | Equipment of polishing of cartridge valve barrel pipe fitting |
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Application publication date: 20220722 |