CN107717757B - Circulating suspension speed self-control polishing machine - Google Patents
Circulating suspension speed self-control polishing machine Download PDFInfo
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- CN107717757B CN107717757B CN201711145282.4A CN201711145282A CN107717757B CN 107717757 B CN107717757 B CN 107717757B CN 201711145282 A CN201711145282 A CN 201711145282A CN 107717757 B CN107717757 B CN 107717757B
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- 238000005498 polishing Methods 0.000 title claims abstract description 129
- 239000000725 suspension Substances 0.000 title claims abstract description 12
- 239000002245 particle Substances 0.000 claims abstract description 95
- 239000007788 liquid Substances 0.000 claims abstract description 68
- 238000003756 stirring Methods 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 238000011084 recovery Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000004033 diameter control Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/32—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
- B24C7/0007—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a liquid carrier
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
- B24C9/006—Treatment of used abrasive material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The circulating suspension speed automatic control polishing machine comprises a frame, a circulating pump positioned on the right side of the frame, a workbench horizontally arranged on the frame, and a containing box arranged below the workbench, wherein polishing liquid is contained in the containing box, a workpiece fixing and clamping device, a polishing liquid particle size control box positioned on the right side of the workpiece fixing and clamping device and a supporting frame positioned on the outer side of the workpiece fixing and clamping device are arranged on the workbench, a bedplate is horizontally arranged at the top of the supporting frame, a lifting cylinder is arranged on the bedplate along the vertical direction, and the lower end of a piston rod of the lifting cylinder is connected with the workpiece moving and clamping device; the bottom of the workpiece fixing and clamping device, the left side of the holding box, the circulating pump, the polishing solution grain size control box and the top of the workpiece movable clamping device are sequentially connected through the circulating pipe. The polishing device can polish the inner wall and the outer wall of the cylindrical workpiece at the same time, has high polishing efficiency, is suitable for batch polishing operation, has good polishing effect, and can add polishing liquid and recover small-particle polishing liquid.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a circulating suspension speed self-control polishing machine.
Background
In recent years, along with the updating of mechanical equipment, the cutting performance is greatly improved, and particularly, the requirements on the precision and appearance of products such as metal and the like are higher, and the products have visual and hand feeling effects and good smoothness, so that the surface treatment of the products such as metal and the like has broad market prospect; originally, people adopt manual polishing when polishing the circumference face (inner wall and outer wall) of cylinder work piece, work efficiency is low, and quality and effect after polishing are not very ideal, and the product after polishing can have defects such as brightness is insufficient, remain more texture, batch polishing quality are inconsistent, to the structure of current cylinder work piece, manual polishing has not satisfied the development trend of modern product yet.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides the circulating suspension speed self-control polishing machine which is specially used for polishing the circumferential surface of a cylindrical workpiece, has high efficiency and good quality and is suitable for batch polishing operation.
In order to solve the technical problems, the invention adopts the following technical scheme: the circulating suspension speed automatic control polishing machine comprises a frame, a circulating pump positioned on the right side of the frame, a workbench horizontally arranged on the frame, and a containing box arranged below the workbench, wherein polishing liquid is contained in the containing box, a workpiece fixing and clamping device, a polishing liquid particle size control box positioned on the right side of the workpiece fixing and clamping device and a supporting frame positioned on the outer side of the workpiece fixing and clamping device are arranged on the workbench, a bedplate is horizontally arranged at the top of the supporting frame, a lifting cylinder is arranged on the bedplate along the vertical direction, and the lower end of a piston rod of the lifting cylinder is connected with the workpiece moving and clamping device; under the action of the lifting cylinder, the workpiece of the cylinder body is vertically clamped between the workpiece fixing and clamping device and the workpiece movable clamping device;
the bottom of the workpiece fixing and clamping device is communicated with the left side of the containing box through a first circulating pipe, the right side of the containing box is connected with a liquid outlet of a circulating pump through a second circulating pipe, a first regulating valve is arranged on the second circulating pipe, a liquid inlet of the circulating pump is connected with the top of a polishing liquid grain size control box through a third circulating pipe, and the left side of the polishing liquid grain size control box is connected with the top of the workpiece movable clamping device sequentially through a fourth circulating pipe and a high-pressure hose.
The workpiece fixing and clamping device comprises a fixed seat arranged on the workbench, the fixed seat is connected with the workbench through a first bolt, a lower mounting plate is arranged on the fixed seat, a lower through hole is correspondingly formed in the lower mounting plate, the fixed seat and the workbench from top to bottom, a lower pipe joint is fixedly arranged in the lower through hole, the upper end of a first circulating pipe stretches into the lower pipe joint and is in threaded connection with the lower pipe joint, a sealing ring positioned between the lower mounting plate and the fixed seat is fixedly arranged outside the lower pipe joint, a corrugated cylinder and a lower cylinder seat are arranged on the upper surface of the lower mounting plate, the lower end of the corrugated cylinder is fixedly connected with a lower mounting ring plate, the lower mounting ring plate is positioned on the upper surface of the lower mounting plate and is fixedly connected with the fixed seat through a second bolt, a first sealing ring is arranged between the lower surface of the lower mounting ring plate and the upper surface of the lower mounting plate, the corrugated cylinder, the lower cylinder seat and the lower pipe joint are provided with the same center line, and the inner wall of the corrugated cylinder is provided with a spiral groove along the axial direction;
the lower end of the workpiece of the cylinder body is coaxially arranged at the upper end part of the lower cylinder seat, the upper end part of the lower cylinder seat is fixedly provided with a positioning ring positioned at the outer ring of the lower end of the workpiece, the inner wall of the upper end of the lower cylinder seat is provided with a conical structure with the upper part thick and the lower part thin, and the inner diameter of the upper end part of the conical structure is equal to the inner diameter of the workpiece.
The workpiece movable clamping device comprises an upper mounting ring plate, an upper mounting plate and a movable seat, wherein upper through holes which are coincided with the central lines of the lower through holes are correspondingly formed in the movable seat and the lower mounting plate, the upper mounting plate is arranged on the lower surface of the movable seat, the movable seat is fixedly connected with the upper mounting plate through a third bolt, the lower end face of an inner ring of the upper mounting ring plate is fixedly connected with the upper end face of a corrugated cylinder, the lower surface of the upper mounting ring plate is connected with the upper surface of the lower mounting ring plate through a vertically arranged supporting rod, four supporting rods are uniformly arranged along the central lines of the corrugated cylinder, the upper surface of the movable seat is connected with the lower end of a piston rod of a lifting cylinder, the lower surface of the upper mounting plate is fixedly provided with an upper cylinder seat in the same axial direction, the upper surface of the upper mounting plate is fixedly provided with an upper pipe joint which is positioned in the upper through holes of the movable seat in the same axial direction, a section of liquid outlet pipe is connected with the upper end of the liquid pipe through the high-pressure hose, and the lower end of the liquid outlet pipe is fixedly connected with the fourth circulating pipe; the lower end of the upper cylinder seat is in pressing contact with the upper end of the workpiece;
an annular cavity is formed between the inner wall of the corrugated cylinder and the outer circumferential surface of the workpiece, a plurality of upper liquid-permeable holes which are communicated with the upper part of the annular cavity are uniformly formed in the upper cylinder seat along the circumferential direction, and a plurality of lower liquid-permeable holes which are communicated with the lower part of the annular cavity are uniformly formed in the lower cylinder seat along the circumferential direction.
The polishing solution particle size control box is internally provided with a filter screen positioned on the right side of the third circulating pipe, the lower part of the right side of the polishing solution particle size control box is connected with a small particle size particle discharge pipe, a small particle size particle discharge valve is arranged on the small particle size particle discharge pipe, and the lower end of the small particle size particle discharge pipe is connected with a small particle size particle recovery box.
The upper surface of the annular connecting plate at the upper part is correspondingly contacted with the lower surface of the outer ring of the movable seat, and the cross section of the outer cylinder, the movable seat and the fixed seat are all of regular hexagon structures;
three reducing propulsion air cylinders are arranged on six rectangular planes on the outer side of the outer cylinder body, the three reducing propulsion air cylinders on one rectangular plane are uniformly arranged at intervals along the vertical direction, the cylinder body of each reducing propulsion air cylinder is fixed on the outer cylinder body, the piston rod of each reducing propulsion air cylinder is arranged along the radial direction of the corrugated pipe, the inner end of the piston rod of each reducing propulsion air cylinder is fixedly connected with an arc propulsion plate, and the inner surface of the arc propulsion plate is provided with a corrugated groove matched with the outer surface of the corrugated pipe.
The six rectangular planes on the outer side of the outer cylinder body are respectively provided with polishing particle size monitors positioned on the left side and the right side of each reducing propulsion cylinder, the detection ends of the polishing particle size monitors extend into the outer cylinder body and are adjacent to the corrugated cylinder, and the corrugated cylinder is made of transparent and flexible materials.
The front side and the rear side of the holding box are respectively provided with a support, the supports are provided with stirring motors, a main shaft of each stirring motor is connected with a stirring shaft which obliquely stretches into the position below the liquid level of the polishing liquid in the holding box in a coaxial transmission manner, and stirring blades are arranged on the stirring shafts.
The polishing solution particle compensation box is arranged on the workbench, a compensation pipe is arranged between the bottom of the polishing solution particle compensation box and the top of the containing box, the compensation pipe penetrates through the workbench, and a second regulating valve is arranged on the compensation pipe.
By adopting the technical scheme, the working principle and the working process for integrally polishing the surface of the polishing plate are as follows: the lifting cylinders are provided with two, the piston rods of the two lifting cylinders shrink upwards to lift the movable seat, the upper mounting plate and the upper cylinder seat upwards, and the fourth circulating pipe can be prevented from generating stress due to the arrangement of the high-pressure hose. Then a cylindrical workpiece is placed between positioning rings at the upper end of a lower cylinder seat from top to bottom, then a lifting cylinder is started, a piston rod of the lifting cylinder extends downwards to drive a movable seat, an upper mounting plate and the upper cylinder seat to move downwards, when the lower end of the upper cylinder seat is propped against the upper end of the workpiece, the lower surface of a second upper mounting plate just contacts with the upper surface of an upper mounting ring plate, meanwhile, the lower surface of the movable plate contacts with an annular connecting plate at the upper part, and two circles of second sealing rings on the lower surface of the second upper mounting plate contact with the upper surface of the upper mounting ring plate in a propping manner, so that an annular cavity is sealed; then, a circulating pump is started, the circulating pump pumps air to the inside of the workpiece and the annular cavity, polishing liquid in the holding box enters the inside of the workpiece through the first circulating pipe and enters the annular cavity through the lower liquid-permeable hole, the polishing liquid in the annular cavity enters the upper part of the workpiece through the upper liquid-permeable hole, and the polishing liquid enters the polishing liquid particle size control box through the liquid outlet pipe, the high-pressure hose and the fourth circulating pipe and flows back into the holding box through the third circulating pipe and the second circulating pipe. The polishing particles in the polishing liquid polish the outer circumferential surface and the inner circumferential surface of the work piece as the polishing liquid flows from bottom to top in the annular cavity inside the work piece and outside the work piece. After polishing, the circulating pump is closed, and the polishing liquid in the annular cavity automatically flows back into the containing box under the condition of dead weight. Starting a lifting cylinder, lifting the movable seat, the upper mounting plate and the upper cylinder seat upwards by the lifting cylinder, taking out the polished workpiece by an operator, mounting the workpiece to be polished, and repeating the working process.
The first sealing ring and the second sealing ring both play a sealing role, so that the annular cavity and the space in the workpiece are ensured to be free from liquid leakage.
The polishing particles with too small particle size precipitated in the polishing liquid particle size control box enter the right side part of the polishing liquid particle size control box through a filter screen with smaller mesh number, a small particle size particle discharge valve is opened, and the polishing agent flows into a small particle size particle recovery box through a small particle size particle discharge pipe.
The flow rate of the polishing liquid is adjusted by manipulating the opening degree of the first regulating valve. And the stirring motor arranged on the holding box drives the stirring shaft and the stirring blade to rotate, so that the polishing solution in the holding box is stirred in the circulating flow process, the uniformity of the polishing solution is ensured, and the precipitation of polishing particles is avoided. The polishing particle compensation box is arranged on the containing box, and the speed of compensating the large particle polishing agent in the containing box is controlled by opening the second regulating valve.
The polishing particle size monitor monitors the particle size and the particle size distribution of the polishing liquid in real time through the transparent flexible corrugated cylinder, data obtained by monitoring the polishing liquid particle size monitor is fed back to the reducing propulsion cylinder through the control computer, and the polishing liquid with uneven local flow velocity and small particle distribution drives the arc propulsion plate to extrude the outer wall of the corrugated cylinder through the piston rod of the reducing propulsion cylinder, so that the effects of improving the flow velocity from bottom to top and increasing the particle density of the polishing liquid can be achieved through reducing the inner diameter of the corrugated cylinder.
The workpiece movable clamping device and the workpiece fixed clamping device are arranged up and down oppositely, and are manufactured and assembled in a split mode. The lower end of the workpiece is arranged in the positioning ring at the upper end of the lower cylinder seat, so that a good positioning effect is achieved, the upper pipe joint and the liquid outlet pipe are connected in a threaded mode, and the lower pipe joint and the upper end of the first circulating pipe are sealed by adopting a threaded adhesive.
The arc-shaped propelling plate connected with the inner end of the piston rod of the diameter-reducing propelling cylinder is of a 90-degree angle semi-ring corrugated structure. The corrugated cylinder can be pushed according to the requirement, and the diameter of the corrugated cylinder is reduced. The telescopic length of the diameter-reducing propelling cylinder is adjusted according to the test results of the polishing granularity monitors at the left side and the right side of the diameter-reducing propelling cylinder. If the polishing granularity monitor detects that the granularity of the polishing solution in the area is too small, the piston rod of the reducing propulsion cylinder is extended to drive the arc propulsion plate to reduce the diameter of the corrugated cylinder in the area, so that the flushing speed of the polishing solution in the area is increased, namely, the physical necking acceleration is adopted to carry out the density re-homogenization. In addition, the inner wall of the corrugated cylinder is of a spiral groove structure, and the polishing solution generates vortex-induced spin flow on the inner wall of the corrugated cylinder in the flowing process of the corrugated cylinder, so that the polishing solution is automatically stirred and re-uniformly distributed.
The control computer, the stirring motor and the polishing granularity monitor are all in the prior art, and are all in the prior art.
In conclusion, the polishing device has the advantages of novel design, simple structure and convenient operation, can polish the inner wall and the outer wall of a workpiece in a cylinder shape simultaneously, has high polishing efficiency, is suitable for batch polishing operation, has good polishing effect, and can add polishing liquid and recover the polishing liquid with small particles.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a longitudinal cross-sectional view of the lift cylinder of FIG. 1 taken along a left-right vertical plane;
fig. 3 is an enlarged view of the workpiece holding fixture and workpiece movable fixture of fig. 2.
Detailed Description
As shown in fig. 1, 2 and 3, the circulating suspension speed self-control polishing machine comprises a frame 1, a circulating pump 2 positioned on the right side of the frame 1, a workbench 3 horizontally arranged on the frame 1, a containing box 4 arranged below the workbench 3, polishing liquid 5 contained in the containing box 4, a workpiece fixing and clamping device 6, a polishing liquid particle size control box 16 positioned on the right side of the workpiece fixing and clamping device 6 and a supporting frame 7 positioned on the outer side of the workpiece fixing and clamping device 6, wherein a bedplate 8 is horizontally arranged at the top of the supporting frame 7, a lifting cylinder 9 is arranged on the bedplate 8 along the vertical direction, and the lower end of a piston rod of the lifting cylinder 9 is connected with a workpiece movable clamping device 10; under the action of the lifting cylinder 9, a workpiece 11 of the cylinder body is vertically clamped between the workpiece fixing and clamping device 6 and the workpiece movable and clamping device 10;
the bottom of the workpiece fixing and clamping device 6 is communicated with the left side of the containing box 4 through a first circulating pipe 12, the right side of the containing box 4 is connected with a liquid outlet of the circulating pump 2 through a second circulating pipe 13, a first regulating valve 14 is arranged on the second circulating pipe 13, a liquid inlet of the circulating pump 2 is connected with the top of a polishing liquid grain size control box 16 through a third circulating pipe 15, and the left side of the polishing liquid grain size control box 16 is connected with the top of the workpiece movable clamping device 10 sequentially through a fourth circulating pipe 17 and a high-pressure hose 18.
The workpiece fixing and clamping device 6 comprises a fixed seat 19 arranged on the workbench 3, the fixed seat 19 is connected with the workbench 3 through a first bolt 20, a lower mounting plate 21 is arranged on the fixed seat 19, the lower mounting plate 21, the fixed seat 19 and the workbench 3 are correspondingly provided with lower through holes from top to bottom, a lower pipe joint 22 is fixedly arranged in the lower through holes, the upper end of the first circulating pipe 12 stretches into the lower pipe joint 22 and is in threaded connection with the lower pipe joint 22, a sealing ring 23 positioned between the lower mounting plate 21 and the fixed seat 19 is fixedly arranged on the outer side of the lower pipe joint 22, a corrugated cylinder 24 and a lower cylinder seat 25 are arranged on the upper surface of the lower mounting plate 21, a lower mounting ring plate 26 is fixedly connected with the fixed seat 19 through a second bolt 27, a first sealing ring 28 is arranged between the lower surface of the lower mounting ring plate 26 and the upper surface of the lower mounting plate 21, the corrugated cylinder 24, the lower cylinder seat 25 and the lower pipe joint 22 have the same center line, and the inner wall of the corrugated cylinder 24 is provided with a spiral groove along the axial direction;
the lower end of the workpiece 11 of the cylinder body is coaxially arranged at the upper end part of the lower cylinder seat 25, the upper end part of the lower cylinder seat 25 is fixedly provided with a positioning ring 29 positioned at the outer ring of the lower end of the workpiece 11, and the inner wall of the upper end of the lower cylinder seat 25 is provided with a conical structure (reducing the flow resistance of the polishing solution 5) with thick upper part and thin lower part, and the inner diameter of the upper end part of the conical structure is equal to the inner diameter of the workpiece 11.
The workpiece movable clamping device 10 comprises an upper mounting ring plate 30, an upper mounting plate 31 and a movable seat 32, wherein upper through holes which are coincided with the center lines of the lower through holes are correspondingly formed in the movable seat 32 and the lower mounting plate 21, the upper mounting plate 31 is arranged on the lower surface of the movable seat 32, the movable seat 32 is fixedly connected with the upper mounting plate 31 through a third bolt 33, the lower end face of the inner ring of the upper mounting ring plate 30 is fixedly connected with the upper end face of the corrugated cylinder 24, the lower surface of the upper mounting ring plate 30 is connected with the upper surface of the lower mounting ring plate 26 through a vertically arranged supporting rod 34, four supporting rods 34 are uniformly arranged along the center line of the corrugated cylinder 24, the upper surface of the movable seat 32 is connected with the lower end of a piston rod of a lifting cylinder 9, an upper cylinder seat 35 is fixedly arranged on the lower surface of the upper mounting plate 31 in the same axial direction, an upper pipe joint 36 which is positioned in the upper through holes of the movable seat 32 is fixedly arranged on the upper surface of the upper mounting plate 31 in the same axial direction, the upper pipe joint 36 is internally connected with a liquid outlet pipe 37 in a threaded manner, the upper end of the liquid outlet pipe 37 is connected with a fourth 17 through the high-pressure hose 18, the lower surface of the upper pipe 37 is provided with two circles of a second sealing ring 38 which is matched with the upper surface of the upper mounting ring plate 30; the lower end of the upper cylinder seat 35 is in pressing contact with the upper end of the workpiece 11;
an annular cavity 39 is formed between the inner wall of the corrugated tube 24 and the outer circumferential surface of the workpiece 11, a plurality of upper liquid-permeable holes 40 which are all communicated with the upper part of the annular cavity 39 are uniformly formed in the upper cylinder seat 35 along the circumferential direction, and a plurality of lower liquid-permeable holes 41 which are all communicated with the lower part of the annular cavity 39 are uniformly formed in the lower cylinder seat 25 along the circumferential direction.
A filter screen 42 positioned on the right side of the third circulating pipe 15 is arranged in the polishing solution particle size control box 16, a small particle size particle discharge pipe 43 is connected to the lower part of the right side of the polishing solution particle size control box 16, a small particle size particle discharge valve 44 is arranged on the small particle size particle discharge pipe 43, and a small particle size particle recovery box 45 is connected to the lower end of the small particle size particle discharge pipe 43.
The fixed seat 19 is provided with an outer cylinder 46 positioned outside the corrugated cylinder 24, the inner rings at the upper end and the lower end of the outer cylinder 46 are fixedly connected with annular connecting plates 47 which are horizontally arranged, the lower annular connecting plates 47 are contacted with the upper surface of the fixed seat 19 and are fixedly connected to the workbench 3 through the first bolts 20, the upper surface of the upper annular connecting plates 47 is correspondingly contacted with the lower surface of the outer ring of the movable seat 32, and the cross section of the outer cylinder 46, the movable seat 32 and the fixed seat 19 are of a regular hexagon structure;
three diameter-reducing propelling cylinders 48 are arranged on six rectangular planes on the outer side of the outer cylinder 46, the three diameter-reducing propelling cylinders 48 on one rectangular plane are uniformly arranged at intervals along the vertical direction, the cylinder body of each diameter-reducing propelling cylinder 48 is fixed on the outer cylinder 46, the piston rod of each diameter-reducing propelling cylinder 48 is arranged along the radial direction of the corrugated pipe, the inner end of the piston rod of the diameter-reducing propelling cylinder 48 is fixedly connected with an arc propelling plate 49, and the inner surface of the arc propelling plate 49 is provided with a corrugated groove matched with the outer surface of the corrugated pipe 24.
The six rectangular planes on the outer side of the outer cylinder 46 are respectively provided with a polishing particle size monitor 50 positioned on the left and right sides of each reducing pushing cylinder 48, and the detection end of the polishing particle size monitor 50 extends into the outer cylinder 46 and is adjacent to the corrugated cylinder 24, and the corrugated cylinder 24 is made of transparent and flexible material.
The front side and the rear side of the holding box 4 are respectively provided with a support 51, the support 51 is provided with a stirring motor 52, a main shaft of the stirring motor 52 is connected with a stirring shaft 53 which obliquely stretches into the liquid surface of the polishing liquid 5 in the holding box 4 in a coaxial transmission manner, and the stirring shaft 53 is provided with stirring blades 54.
The workbench 3 is provided with a polishing particle compensation box 55, a compensation pipe 56 is arranged between the bottom of the polishing particle compensation box 55 and the top of the containing box 4, the compensation pipe 56 penetrates through the workbench 3, and the compensation pipe 56 is provided with a second regulating valve 57.
The working principle and the working process for integrally polishing operation are as follows: the lifting cylinders 9 are provided with two, the piston rods of the two lifting cylinders 9 are contracted upwards, the movable seat 32, the upper mounting plate 31 and the upper cylinder seat 35 are lifted upwards, and the fourth circulating pipe 17 can be prevented from generating stress due to the arrangement of the high-pressure hose 18. Then the cylindrical workpiece 11 is placed between the positioning rings 29 at the upper end of the lower cylinder seat 25 from top to bottom, then the lifting cylinder 9 is started, the piston rod of the lifting cylinder 9 extends downwards, the movable seat 32, the upper mounting disc 31 and the upper cylinder seat 35 are driven to move downwards, when the lower end of the upper cylinder seat 35 is propped against the upper end of the workpiece 11, the lower surface of the second upper mounting disc 31 just contacts with the upper surface of the upper mounting ring plate 30, meanwhile, the lower surface of the movable disc contacts with the upper annular connecting plate 47, and two circles of second sealing rings 38 at the lower surface of the second upper mounting disc 31 contact with the upper surface of the upper mounting ring plate 30 in a propping manner, so that the annular cavity 39 is sealed; then the circulating pump 2 is started, the circulating pump 2 pumps air from the inside of the workpiece 11 and the annular cavity 39, the polishing solution 5 in the holding box 4 enters the inside of the workpiece 11 from the first circulating pipe 12 and enters the annular cavity 39 through the lower liquid-permeable hole 41, the polishing solution 5 in the annular cavity 39 enters the upper part of the workpiece 11 through the upper liquid-permeable hole 40, and the polishing solution 5 enters the polishing solution particle size control box 16 through the liquid outlet pipe 37, the high-pressure hose 18 and the fourth circulating pipe 17 and then flows back into the holding box 4 through the third circulating pipe 15 and the second circulating pipe 13. As the polishing liquid 5 flows from bottom to top in the annular cavity 39 inside the workpiece 11 and outside the workpiece 11, the polishing particles in the polishing liquid 5 polish the outer circumferential surface and the inner circumferential surface of the workpiece 11. After polishing is completed, the circulating pump 2 is closed, and the polishing liquid 5 in the annular cavity 39 automatically flows back into the holding box 4 under the condition of self weight. The lifting cylinder 9 is started, the lifting cylinder 9 lifts the movable seat 32, the upper mounting plate 31 and the upper cylinder seat 35 upwards, an operator takes out the polished workpiece 11, then installs the workpiece 11 to be polished, and the working process is repeated.
The first seal ring 28 and the second seal ring 38 both play a sealing role, ensuring that the space within the annular cavity 39 and the workpiece 11 is liquid tight.
The polishing particles having too small particle diameters precipitated in the polishing liquid particle diameter control box 16 enter the right side portion of the polishing liquid particle diameter control box 16 through the smaller-mesh filter screen 42, and the small-particle diameter particle discharge valve 44 is opened, and the polishing agent flows into the small-particle diameter particle recovery box 45 through the small-particle diameter particle discharge pipe 43.
The flow rate of the polishing liquid 5 is adjusted by manipulating the opening degree of the first regulating valve 14. The stirring motor 52 arranged on the holding box 4 drives the stirring shaft 53 and the stirring blades 54 to rotate, and the polishing solution 5 in the holding box 4 is stirred in the circulating flow process, so that the uniformity of the polishing solution 5 is ensured, and the precipitation of polishing particles is avoided. The polishing particle compensating tank 5555 is installed on the holding tank 4, and the speed of compensating the large particle polishing agent into the holding tank 4 is controlled by opening the second regulating valve 57.
The polishing particle size monitor 50 monitors the particle size and the particle size distribution of the polishing liquid 5 in real time through the transparent flexible corrugated tube 24, data obtained by monitoring the particle size monitor of the polishing liquid 5 is fed back to the reducing propulsion cylinder 48 through the control computer, and the polishing liquid 5 with uneven local flow rate and small particle distribution drives the arc propulsion plate 49 to extrude the outer wall of the corrugated tube 24 through the piston rod of the reducing propulsion cylinder 48, so that the effects of improving the flow rate from bottom to top and increasing the particle density of the polishing liquid 5 can be achieved through reducing the inner diameter of the corrugated tube 24.
The workpiece movable clamping device 10 and the workpiece fixed clamping device 6 are arranged up and down oppositely, and are manufactured and assembled in a split mode. The lower end of the workpiece 11 is arranged in the positioning ring 29 at the upper end of the lower cylinder seat 25, thereby playing a good role in positioning, and simultaneously adopting a threaded connection mode between the upper pipe joint 36 and the liquid outlet pipe 37 and between the lower pipe joint 22 and the upper end of the first circulating pipe 12, and adopting a thread compound for sealing.
The arc-shaped propelling plate 49 connected with the inner end of the piston rod of the diameter-reduced propelling cylinder 48 is of a 90-degree angle semi-ring corrugated structure. The bellows 24 may be pushed as needed to reduce the diameter of the bellows 24. The telescopic length of the diameter-reducing pushing cylinder 48 is adjusted according to the test results of the polishing granularity monitors 50 on the left and right sides thereof. If the polishing granularity monitor 50 measures that the granularity of the polishing solution 5 in the area is too small, the piston rod of the reducing propulsion cylinder 48 is extended to drive the arc propulsion plate 49 to reduce the diameter of the corrugated cylinder 24 in the area, so that the flushing speed of the polishing solution 5 in the area is increased, namely, the physical necking speed is adopted to carry out density re-homogenization. In addition, the inner wall of the corrugated cylinder 24 is of a spiral groove structure, and the polishing solution 5 generates vortex-induced spin flow on the inner wall of the corrugated cylinder 24 in the flowing process of the corrugated cylinder 24, so that the polishing solution 5 is automatically stirred and re-uniformly distributed.
The present embodiment is not limited in any way by the shape, material, structure, etc. of the present invention, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present invention are all included in the scope of protection of the technical solution of the present invention.
Claims (5)
1. Circulating suspension speed automatic control burnishing machine, its characterized in that: the polishing device comprises a frame, a circulating pump positioned on the right side of the frame, a workbench horizontally arranged on the frame, and a containing box arranged below the workbench, wherein polishing liquid is contained in the containing box, a workpiece fixing and clamping device, a polishing liquid grain size control box positioned on the right side of the workpiece fixing and clamping device and a support frame positioned on the outer side of the workpiece fixing and clamping device are arranged on the workbench, a bedplate is horizontally arranged at the top of the support frame, a lifting cylinder is arranged on the bedplate along the vertical direction, and the lower end of a piston rod of the lifting cylinder is connected with a workpiece movable clamping device; under the action of the lifting cylinder, the workpiece of the cylinder body is vertically clamped between the workpiece fixing and clamping device and the workpiece movable clamping device;
the bottom of the workpiece fixing and clamping device is communicated with the left side of the holding box through a first circulating pipe, the right side of the holding box is connected with a liquid outlet of a circulating pump through a second circulating pipe, a first regulating valve is arranged on the second circulating pipe, a liquid inlet of the circulating pump is connected with the top of a polishing liquid grain size control box through a third circulating pipe, and the left side of the polishing liquid grain size control box is connected with the top of the workpiece movable clamping device through a fourth circulating pipe and a high-pressure hose in sequence;
the workpiece fixing and clamping device comprises a fixed seat arranged on the workbench, the fixed seat is connected with the workbench through a first bolt, a lower mounting plate is arranged on the fixed seat, a lower through hole is correspondingly formed in the lower mounting plate, the fixed seat and the workbench from top to bottom, a lower pipe joint is fixedly arranged in the lower through hole, the upper end of a first circulating pipe stretches into the lower pipe joint and is in threaded connection with the lower pipe joint, a sealing ring positioned between the lower mounting plate and the fixed seat is fixedly arranged outside the lower pipe joint, a corrugated cylinder and a lower cylinder seat are arranged on the upper surface of the lower mounting plate, the lower end of the corrugated cylinder is fixedly connected with a lower mounting ring plate, the lower mounting ring plate is positioned on the upper surface of the lower mounting plate and is fixedly connected with the fixed seat through a second bolt, a first sealing ring is arranged between the lower surface of the lower mounting ring plate and the upper surface of the lower mounting plate, the corrugated cylinder, the lower cylinder seat and the lower pipe joint are provided with the same center line, and the inner wall of the corrugated cylinder is provided with a spiral groove along the axial direction;
the lower end of the workpiece of the cylinder body is coaxially arranged at the upper end part of the lower cylinder seat, the upper end part of the lower cylinder seat is fixedly provided with a positioning ring positioned at the outer ring of the lower end of the workpiece, the inner wall of the upper end of the lower cylinder seat is provided with a conical structure with the upper part thick and the lower part thin, and the inner diameter of the upper end part of the conical structure is equal to the inner diameter of the workpiece;
the workpiece movable clamping device comprises an upper mounting ring plate, an upper mounting plate and a movable seat, wherein upper through holes which are coincided with the central lines of the lower through holes are correspondingly formed in the movable seat and the lower mounting plate, the upper mounting plate is arranged on the lower surface of the movable seat, the movable seat is fixedly connected with the upper mounting plate through a third bolt, the lower end face of an inner ring of the upper mounting ring plate is fixedly connected with the upper end face of a corrugated cylinder, the lower surface of the upper mounting ring plate is connected with the upper surface of the lower mounting ring plate through a vertically arranged supporting rod, four supporting rods are uniformly arranged along the central lines of the corrugated cylinder, the upper surface of the movable seat is connected with the lower end of a piston rod of a lifting cylinder, the lower surface of the upper mounting plate is fixedly provided with an upper cylinder seat in the same axial direction, the upper surface of the upper mounting plate is fixedly provided with an upper pipe joint which is positioned in the upper through holes of the movable seat in the same axial direction, a section of liquid outlet pipe is connected with the upper end of the liquid pipe through the high-pressure hose, and the lower end of the liquid outlet pipe is fixedly connected with the fourth circulating pipe; the lower end of the upper cylinder seat is in pressing contact with the upper end of the workpiece;
an annular cavity is formed between the inner wall of the corrugated cylinder and the outer circumferential surface of the workpiece, a plurality of upper liquid-permeable holes which are all communicated with the upper part of the annular cavity are uniformly formed in the upper cylinder seat along the circumferential direction, and a plurality of lower liquid-permeable holes which are all communicated with the lower part of the annular cavity are uniformly formed in the lower cylinder seat along the circumferential direction;
the polishing solution particle size control box is internally provided with a filter screen positioned on the right side of the third circulating pipe, the lower part of the right side of the polishing solution particle size control box is connected with a small particle size particle discharge pipe, a small particle size particle discharge valve is arranged on the small particle size particle discharge pipe, and the lower end of the small particle size particle discharge pipe is connected with a small particle size particle recovery box.
2. The circulating suspension speed self-controlling polisher of claim 1, wherein: the upper surface of the annular connecting plate at the upper part is correspondingly contacted with the lower surface of the outer ring of the movable seat, and the cross section of the outer cylinder, the movable seat and the fixed seat are all of regular hexagon structures;
three reducing propulsion air cylinders are arranged on six rectangular planes on the outer side of the outer cylinder body, the three reducing propulsion air cylinders on one rectangular plane are uniformly arranged at intervals along the vertical direction, the cylinder body of each reducing propulsion air cylinder is fixed on the outer cylinder body, the piston rod of each reducing propulsion air cylinder is arranged along the radial direction of the corrugated pipe, the inner end of the piston rod of each reducing propulsion air cylinder is fixedly connected with an arc propulsion plate, and the inner surface of the arc propulsion plate is provided with a corrugated groove matched with the outer surface of the corrugated pipe.
3. The circulating suspension speed self-controlling polisher of claim 2, wherein: the six rectangular planes on the outer side of the outer cylinder body are respectively provided with polishing particle size monitors positioned on the left side and the right side of each reducing propulsion cylinder, the detection ends of the polishing particle size monitors extend into the outer cylinder body and are adjacent to the corrugated cylinder, and the corrugated cylinder is made of transparent and flexible materials.
4. The circulating suspension speed self-controlling polisher of claim 1, wherein: the front side and the rear side of the holding box are respectively provided with a support, the supports are provided with stirring motors, a main shaft of each stirring motor is connected with a stirring shaft which obliquely stretches into the position below the liquid level of the polishing liquid in the holding box in a coaxial transmission manner, and stirring blades are arranged on the stirring shafts.
5. The circulating suspension speed self-controlling polisher of claim 1, wherein: the polishing solution particle compensation box is arranged on the workbench, a compensation pipe is arranged between the bottom of the polishing solution particle compensation box and the top of the containing box, the compensation pipe penetrates through the workbench, and a second regulating valve is arranged on the compensation pipe.
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| CN201711145282.4A CN107717757B (en) | 2017-11-17 | 2017-11-17 | Circulating suspension speed self-control polishing machine |
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| CN201711145282.4A CN107717757B (en) | 2017-11-17 | 2017-11-17 | Circulating suspension speed self-control polishing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108890508B (en) * | 2018-07-25 | 2023-10-20 | 浙江工业大学 | Photocatalysis composite processing platform capable of automatically adding abrasive and processing method |
| CN110605653A (en) * | 2019-10-16 | 2019-12-24 | 浙江工业大学 | Through hole polishing device and method for polishing through hole by using negative pressure |
| CN114434311B (en) * | 2022-01-19 | 2022-12-30 | 揭阳市恒成粉末冶金有限公司 | Bearing ring polishing system for bearing production and using method thereof |
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Effective date of registration: 20231221 Address after: No. 58 Xinting Road, High tech Zone, Suzhou City, Jiangsu Province, 215000 Applicant after: Suzhou Xinyi metal products Co.,Ltd. Address before: Floor 7, Unit 2, Building 7, No. 3 Yousheng South Road, Jinshui District, Zhengzhou City, Henan Province, 450003 Applicant before: Bai Guanjun |
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