CN107717707B - Piston driven reciprocating suspension polishing machine - Google Patents
Piston driven reciprocating suspension polishing machine Download PDFInfo
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- CN107717707B CN107717707B CN201711147464.5A CN201711147464A CN107717707B CN 107717707 B CN107717707 B CN 107717707B CN 201711147464 A CN201711147464 A CN 201711147464A CN 107717707 B CN107717707 B CN 107717707B
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- 238000005498 polishing Methods 0.000 title claims abstract description 105
- 239000000725 suspension Substances 0.000 title claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 106
- 238000007789 sealing Methods 0.000 claims description 83
- 230000007246 mechanism Effects 0.000 claims description 26
- 238000003756 stirring Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 12
- 238000007517 polishing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 230000002708 enhancing effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005096 rolling process 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
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
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- 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 piston-driven reciprocating suspension polishing machine comprises a frame, a workbench and a containing box, wherein polishing liquid is contained in the containing box, a supporting frame and a control computer are arranged on the workbench, and a lower mounting plate and an upper mounting plate positioned above the lower mounting plate are horizontally arranged on the supporting frame; the workbench is fixedly provided with a lower cylinder barrel with an open top, an upper cylinder barrel with an open bottom is arranged in a round hole in the middle of the lower mounting plate, and two lifting cylinders connected with the top of the upper cylinder barrel are arranged on the upper mounting plate; the upper part of the lower cylinder barrel is connected with the containing box through a liquid inlet pipe, and a liquid inlet pump is arranged on the liquid inlet pipe; the lower part of the lower cylinder barrel is connected with the containing box through a liquid return pipe; the polishing device has the advantages of novel design, simple structure, convenient operation, high polishing efficiency, suitability for batch polishing operation, good polishing effect, and further improvement of polishing quality and polishing efficiency by improving the activity of particles in the polishing liquid in the polishing process, and can be used for rapidly polishing the inner wall of a workpiece in a cylinder shape.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a piston-driven reciprocating suspension 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; the original people all adopt manual polishing when polishing the inner 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 bright insufficient, remain the texture of more, quality inconsistent etc. of polishing in batches, to the structure of current cylinder product, manual polishing has not satisfied the trend of modern product yet.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides the piston-driven reciprocating suspension polishing machine which is specially used for polishing the inner wall 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 piston-driven reciprocating suspension polishing machine comprises a 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 supporting frame and a control computer are arranged on the workbench, and a lower mounting plate and an upper mounting plate positioned above the lower mounting plate are horizontally arranged on the supporting frame;
The workbench is fixedly provided with a lower cylinder with an open top, a round hole positioned right above the lower cylinder is formed in the lower mounting plate, an upper cylinder with an open bottom is arranged in the round hole, the inner diameters of the upper cylinder and the lower cylinder are the same and have the same central line, two connecting lugs are symmetrically arranged at the center of the top of the upper cylinder, two lifting cylinders are fixedly arranged on the upper mounting plate along the vertical direction, and the lower ends of piston rods of the lifting cylinders are respectively connected with the upper surface of one connecting lug;
The upper part of the lower cylinder barrel is uniformly provided with a plurality of lower through holes along the circumferential direction, each lower through hole is connected with a liquid inlet pipe, the lower end of each liquid inlet pipe extends below the liquid level of the polishing liquid in the containing box, and each liquid inlet pipe is provided with a liquid inlet one-way valve and a liquid inlet pump positioned below the liquid inlet one-way valve; the lower part of the upper cylinder barrel is uniformly provided with a plurality of upper through holes along the circumferential direction, each upper through hole is connected with a liquid return pipe, the lower end of the liquid return pipe extends below the liquid level of the polishing liquid in the containing box, and each liquid return pipe is provided with a liquid return one-way valve;
The lower end part of the upper cylinder barrel is provided with an upper supporting sealing structure, the upper end part of the lower cylinder barrel is provided with a lower supporting sealing structure, and a cylindrical workpiece is clamped between the upper supporting sealing structure and the lower supporting sealing structure.
The top of the upper cylinder barrel is provided with an upper pushing cylinder, the upper mounting plate is provided with a through hole for passing through the upper pushing cylinder, an upper push rod of the upper pushing cylinder vertically and downwards stretches into the upper cylinder barrel, and the lower end of the upper push rod is fixedly connected with an upper piston which slides and is in sealing fit with the inner wall of the upper cylinder barrel;
the lower surface of the workbench is fixedly provided with a lower pushing cylinder, a lower push rod of the lower pushing cylinder vertically and downwards stretches into the lower cylinder barrel, and the upper end of the lower push rod is fixedly connected with a lower piston which slides and is in sealing fit with the inner wall of the lower cylinder barrel.
The outer circumference of the upper cylinder barrel and the outer circumference of the lower cylinder barrel are respectively provided with an ultrasonic vibration mechanism for uniformly vibrating the polishing solution and preventing sedimentation; the upper ultrasonic vibration mechanism and the lower ultrasonic vibration mechanism have the same structure and are arranged symmetrically up and down;
The ultrasonic vibration mechanism outside the circumference of the upper cylinder barrel comprises two guide rods, two lifting driving motors, two rotary driving motors, two screw rods, two bearing seats, a lifting ring plate, two gears and a gear ring, wherein the two guide rods and the two screw rods are all arranged along the vertical direction; the inner circle of ring gear evenly is provided with a plurality of installation tube along the circumferencial direction, is provided with miniature supersonic generator and universal gyro wheel in two adjacent installation tubes respectively, and supersonic generator's ultrasonic emission direction sets up along the radial direction of last cylinder, and universal gyro wheel and last cylinder excircle contact.
The upper supporting sealing structure comprises an upper rubber sleeve and an upper sealing gasket, the upper rubber sleeve is tightly sleeved on the outer circle of the lower end part of the upper cylinder barrel, the outer circumference of the upper sealing gasket is fixedly connected with the outer circle of the lower end of the upper rubber sleeve, the inner ring of the upper sealing gasket is flush with the inner wall of the upper cylinder barrel, an upper circular groove is formed in the lower end face of the upper cylinder barrel, and an upper sealing ring assembled in the upper circular groove is arranged on the upper surface of the upper sealing gasket.
The lower supporting sealing structure comprises a lower rubber sleeve and a lower sealing gasket, the lower rubber sleeve is tightly sleeved on the outer circle of the upper end part of the lower cylinder barrel, the outer circumference of the lower sealing gasket is fixedly connected with the outer circle of the upper end of the lower rubber sleeve, the inner ring of the lower sealing gasket is flush with the inner wall of the lower cylinder barrel, a lower circular groove is formed in the upper end face of the lower cylinder barrel, a lower sealing ring assembled in the lower circular groove is arranged on the lower surface of the lower sealing gasket, and a limiting ring used for limiting the position of a cylindrical workpiece is fixedly arranged at the upper end of the lower rubber sleeve.
The left side and the right side of holding the case are provided with the support respectively, are provided with agitator motor on the support, and agitator motor's main shaft is connected with the (mixing) shaft that the slope stretches into the polishing solution liquid level in the holding case with the axial transmission, is provided with stirring vane on the (mixing) shaft.
The front side and the rear side in the holding box are respectively provided with a polishing granularity monitor for monitoring the polishing solution in the holding box.
By adopting the technical scheme, the control computer is respectively connected with the lifting cylinder, the ultrasonic generator, the upper pushing cylinder, the lower pushing cylinder, the lifting driving motor, the liquid inlet pump, the rotary driving motor, the stirring motor and the polishing granularity monitor through control cables so as to control the automatic operation of the mechanisms.
The working principle and the working process for integrally polishing operation are as follows: the lifting cylinder is started, a piston rod of the lifting cylinder is contracted, the upper cylinder barrel is driven to move upwards through the connecting lug, the lifting cylinder is stopped after a certain distance is moved, a cylindrical workpiece is placed on a lower sealing gasket of the lower supporting sealing structure, and a limiting ring is positioned outside the lower end of the workpiece to limit the placing position of the workpiece. Then starting the lifting cylinder, extending a piston rod of the lifting cylinder, driving the upper cylinder barrel to move downwards through the connecting lug until an upper sealing gasket arranged at the lower end of the upper cylinder barrel is tightly pressed against the upper end of the workpiece, and stopping the lifting cylinder. At this time, the lower surface of the upper piston is positioned at the upper through hole, the lower piston is positioned at the lowest position of the lower cylinder barrel, then a liquid inlet pump is started, the liquid inlet pump enables polishing liquid in the containing box to enter the lower cylinder barrel, the workpiece and the upper cylinder barrel upwards through a liquid inlet pipe, and when the polishing liquid flows back into the containing box through the upper through hole and a liquid return pipe, the upper pushing cylinder and the lower pushing cylinder are closed, the upper piston in the upper cylinder barrel and the lower piston move upwards or downwards in the lower cylinder barrel simultaneously, and the liquid inlet pump pumps the polishing liquid to flow in the workpiece from bottom to top and the upper piston and the lower piston move upwards and downwards simultaneously so as to drive the polishing liquid in the workpiece to reciprocally wash the inner wall of the workpiece back and forth. The relative positions of the upper piston of the upper propulsion cylinder and the lower piston of the lower propulsion cylinder (i.e. the distance between the upper piston and the lower piston) are controlled by a control computer. The polishing solution enters from the liquid inlet pipe and flows back into the holding box from the liquid return pipe, so that the circulating polishing operation is realized.
When the upper piston and the lower piston move upwards, the polishing solution is prevented from generating larger resistance to the liquid inlet pump due to the arrangement of the liquid inlet check valve. When the upper piston and the lower piston move downwards, the liquid in the liquid return pipe is prevented from flowing backwards upwards due to the arrangement of the liquid return one-way valve.
In order to further enhance the sufficient scouring and friction of polishing particles in the polishing liquid to the inner wall of the workpiece, in the polishing operation process, a lifting driving motor and a rotating driving motor of the upper ultrasonic vibration mechanism and a lifting driving motor and a rotating driving motor of the lower ultrasonic vibration mechanism are started simultaneously. Because the upper ultrasonic vibration mechanism and the lower ultrasonic vibration mechanism are identical in structure and are symmetrically arranged up and down, only the specific working principle and process of the ultrasonic vibration mechanism outside the circumference of the upper cylinder barrel are described in detail below:
The screw rods are driven to rotate on the two lifting driving motors, the screw rods rotate to drive the lifting ring plate to move upwards or downwards along the two guide rods, the rotating driving motor on the lifting ring plate also moves upwards or downwards along with the lifting ring plate, the rotating driving motor drives the gear ring to rotate through the gear (only one rotating driving motor and one gear can be arranged in the invention), when the gear ring rotates, balls in the U-shaped gear ring positioning ring play a role in supporting and limiting the vertical direction position of the gear ring, and the inner ring of the gear ring is provided with a universal roller wheel arranged at the inner end of the mounting pipe to play a role in limiting the horizontal direction of the gear ring. The ultrasonic generator rotates along with the gear ring in the circumferential direction and moves in the up-down direction, the ultrasonic generator performs spiral movement on the periphery of the upper cylinder after the two movements are overlapped, ultrasonic waves emitted by the ultrasonic generator penetrate through the upper cylinder to vibrate polishing liquid in the upper cylinder, so that the polishing liquid can be further mixed in a workpiece, and the polishing effect and efficiency can be fully improved.
The control computer is placed on the workbench to control the whole polishing operation. Meanwhile, the vibration frequency of the ultrasonic generator can be controlled through a control computer, meanwhile, the operation speeds of the lifting driving motor, the rotating driving motor, the upper pushing cylinder and the lower pushing cylinder can also be controlled through the control computer, the polishing particle size monitor can display the particle size of polishing liquid in the containing box on a display of the control computer in real time, when the particle size of the polishing liquid is worn in the workpiece polishing process, and when the particle size of the polishing liquid is smaller than the undersize, the polishing particle size monitor reminds that the polishing liquid in the containing box is replaced.
The upper supporting sealing structure and the lower supporting sealing structure are made of rubber materials, have certain elasticity, and have excellent sealing effect under the top pressure of the lifting cylinder. The upper sealing ring plays a role in positioning the upper sealing gasket and simultaneously plays a role in enhancing the sealing effect between the upper sealing gasket and the lower end face of the upper cylinder barrel. The lower sealing ring plays a role in positioning the lower sealing gasket and simultaneously plays a role in enhancing the sealing effect between the lower sealing gasket and the upper end face of the lower cylinder barrel.
The upper rubber sleeve and the upper sealing gasket are integrally manufactured, the lower rubber sleeve and the lower sealing gasket are integrally manufactured, and the upper rubber sleeve and the lower rubber sleeve respectively play a role in installing and positioning the upper sealing gasket and the lower sealing gasket.
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 control computer, the lifting cylinder, the ultrasonic generator, the upper propelling cylinder, the lower propelling cylinder, the lifting driving motor, the liquid inlet pump, the rotary driving motor, the stirring motor and the polishing granularity monitor are all conventional technologies.
In conclusion, the polishing device has the advantages of novel design, simple structure and convenient operation, can rapidly polish the inner wall of the workpiece in the shape of the cylinder, is high in polishing efficiency, is suitable for batch polishing operation, is good in polishing effect, and can further improve polishing quality and polishing efficiency by improving the activity of particles in polishing liquid in the polishing process.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
Fig. 2 is a longitudinal sectional view of the vertical plane of fig. 1 along the left-right direction;
fig. 3 is an upper support seal structure and a lower support seal structure of fig. 2.
Detailed Description
As shown in fig. 1, 2 and 3, the piston-driven reciprocating suspension polishing machine comprises a frame 1, a workbench 2 horizontally arranged on the frame 1 and a containing box 3 arranged below the workbench 2, wherein polishing liquid 4 is contained in the containing box 3, a supporting frame 5 and a control computer 6 are arranged on the workbench 2, and a lower mounting plate 7 and an upper mounting plate 8 positioned above the lower mounting plate 7 are horizontally arranged on the supporting frame 5;
The workbench 2 is fixedly provided with a lower cylinder 9 with an open top, a round hole positioned right above the lower cylinder 9 is formed in the lower mounting plate 7, an upper cylinder 10 with an open bottom is arranged in the round hole, the inner diameters of the upper cylinder 10 and the lower cylinder 9 are the same and have the same central line, two connecting lugs 11 are symmetrically arranged at the center of the top of the upper cylinder 10, two lifting cylinders 12 are fixedly arranged on the upper mounting plate 8 along the vertical direction, and the lower ends of piston rods of the lifting cylinders 12 are respectively connected with the upper surface of one connecting lug 11;
a plurality of lower through holes 13 are uniformly formed in the upper part of the lower cylinder barrel 9 along the circumferential direction, each lower through hole 13 is connected with a liquid inlet pipe 14, the lower end of each liquid inlet pipe 14 extends below the liquid level of the polishing liquid 4 in the containing box 3, and each liquid inlet pipe 14 is provided with a liquid inlet one-way valve 15 and a liquid inlet pump 16 positioned below the liquid inlet one-way valve 15; a plurality of upper through holes 17 are uniformly formed in the lower part of the upper cylinder barrel 10 along the circumferential direction, each upper through hole 17 is connected with a liquid return pipe 18, the lower end of the liquid return pipe 18 extends below the liquid surface of the polishing liquid 4 in the containing box 3, and each liquid return pipe 18 is provided with a liquid return one-way valve 19;
the lower end part of the upper cylinder barrel 10 is provided with an upper supporting sealing structure, the upper end part of the lower cylinder barrel 9 is provided with a lower supporting sealing structure, and a cylindrical workpiece 20 is clamped between the upper supporting sealing structure and the lower supporting sealing structure.
The top of the upper cylinder barrel 10 is provided with an upper pushing cylinder 21, the upper mounting plate 8 is provided with a through hole 22 for passing through the upper pushing cylinder 21, an upper push rod of the upper pushing cylinder 21 vertically and downwards stretches into the upper cylinder barrel 10, and the lower end of the upper push rod is fixedly connected with an upper piston 23 which slides and is in sealing fit with the inner wall of the upper cylinder barrel 10;
The lower surface of the workbench 2 is fixedly provided with a lower pushing cylinder 24, a lower push rod of the lower pushing cylinder 24 vertically and downwards stretches into the lower cylinder barrel 9, and the upper end of the lower push rod is fixedly connected with a lower piston 25 which slides and is in sealing fit with the inner wall of the lower cylinder barrel 9.
An ultrasonic vibration mechanism for uniformly vibrating the polishing liquid 4 and preventing sedimentation is arranged on the outer circumference of the upper cylinder 10 and the outer circumference of the lower cylinder 9; the upper ultrasonic vibration mechanism and the lower ultrasonic vibration mechanism have the same structure and are arranged symmetrically up and down;
the ultrasonic vibration mechanism outside the circumference of the upper cylinder 10 comprises two guide rods 26, two lifting driving motors 27, two rotary driving motors 28, two screw rods 29, two bearing seats 30, a lifting ring plate 31, two gears 32 and a gear ring 33, wherein the two guide rods 26 and the two screw rods 29 are arranged along the vertical direction, the two guide rods 26 are symmetrically arranged left and right with respect to the central line of the upper cylinder 10, the upper end and the lower end of the guide rods 26 are fixedly connected with the lower mounting plate 7 and the workbench 2 respectively through mounting nuts, the left side and the right side of the support frame 5 are respectively provided with a strip-shaped mounting plate 34, the strip-shaped mounting plate 34 is in a V-shaped structure, the bearing seats 30 are fixedly arranged on the strip-shaped mounting plate 34, the two lifting driving motors 27 are fixedly arranged on the lower mounting plate 7 and are symmetrically arranged front and back with respect to the central line of the upper cylinder 10, the upper end of the screw rod 29 is connected with the main shaft of the lifting driving motor 27 through a coupler, the lower end of the screw rod 29 stretches into the bearing seat 30 and is rotationally connected with the bearing seat 30 through a bearing arranged in the bearing seat 30, the lifting ring plate 31 and the gear ring 33 are sleeved outside the upper cylinder barrel 10, the two guide rods 26 and the two screw rods 29 penetrate through the lifting ring plate 31, the screw rod 29 is in threaded connection with the lifting ring plate 31, the two rotary driving motors 28 are fixedly arranged on the lifting ring plate 31 and are symmetrically arranged left and right relative to the central line of the upper cylinder barrel 10, the gear ring 33 is positioned below the lifting ring plate 31, the gear 32 is coaxially arranged on the main shaft of the rotary driving motor 28 and is meshed with the gear ring 33, at least three U-shaped gear ring positioning rings 35 are uniformly arranged on the gear ring 33 along the circumferential direction, the inner ends of the upper sides of the gear ring positioning rings 35 are fixedly connected on the outer circle of the lifting ring plate 31, balls which are respectively in rolling connection with the upper surface and the lower surface of the gear ring 33 are arranged in the gear ring positioning ring 35; the inner ring of ring gear 33 evenly is provided with a plurality of installation pipe along the circumferencial direction, is provided with miniature supersonic generator 36 and universal gyro wheel 37 respectively in two adjacent installation pipes, and supersonic generator 36's ultrasonic emission direction sets up along the radial direction of last cylinder 10, and universal gyro wheel 37 contacts with last cylinder 10 excircle.
The upper ultrasonic vibration mechanism and the lower ultrasonic vibration mechanism share the two guide rods 26.
The upper supporting sealing structure comprises an upper rubber sleeve 38 and an upper sealing gasket 39, wherein the upper rubber sleeve 38 is tightly sleeved on the outer circle of the lower end part of the upper cylinder barrel 10, the outer circumference of the upper sealing gasket 39 is fixedly connected with the outer circle of the lower end of the upper rubber sleeve 38, the inner ring of the upper sealing gasket 39 is flush with the inner wall of the upper cylinder barrel 10, an upper circular groove is formed in the lower end face of the upper cylinder barrel 10, and an upper sealing ring 40 assembled in the upper circular groove is arranged on the upper surface of the upper sealing gasket 39.
The lower supporting and sealing structure comprises a lower rubber sleeve 41 and a lower sealing gasket 42, wherein the lower rubber sleeve 41 is tightly sleeved on the outer circle of the upper end part of the lower cylinder barrel 9, the outer circumference of the lower sealing gasket 42 is fixedly connected with the outer circle of the upper end of the lower rubber sleeve 41, the inner circle of the lower sealing gasket 42 is flush with the inner wall of the lower cylinder barrel 9, a lower circular ring groove is formed in the upper end face of the lower cylinder barrel 9, a lower sealing ring 43 assembled in the lower circular ring groove is arranged on the lower surface of the lower sealing gasket 42, and a limiting ring 44 used for limiting the position of a cylindrical workpiece 20 is fixedly arranged at the upper end of the lower rubber sleeve 41.
The left side and the right side of holding case 3 are provided with support 45 respectively, are provided with agitator motor 46 on the support 45, and the main shaft homoaxialiy transmission of agitator motor 46 is connected with the (mixing) shaft 47 that the slope stretches into the below-the-liquid level of polishing solution 4 in holding case 3, is provided with stirring vane 48 on the (mixing) shaft 47.
The front side and the rear side in the holding tank 3 are respectively provided with a polishing particle size monitor 49 for monitoring the polishing liquid 4in the holding tank 3.
The control computer 6 is connected with the lifting cylinder 12, the ultrasonic generator 36, the upper pushing cylinder 21, the lower pushing cylinder 24, the lifting driving motor 27, the liquid inlet pump 16, the rotary driving motor 28, the stirring motor 46 and the polishing granularity monitor 49 through control cables respectively to control the automatic operation of the mechanisms.
The working principle and the working process for integrally polishing operation are as follows: the lifting cylinder 12 is started, a piston rod of the lifting cylinder 12 is contracted, the upper cylinder barrel 10 is driven to move upwards through the connecting lug 11, the lifting cylinder 12 is stopped after a certain distance of movement, the cylindrical workpiece 20 is placed on the lower sealing gasket 42 of the lower supporting sealing structure, and the limiting ring 44 is positioned outside the lower end of the workpiece 20 to limit the placement position of the workpiece 20. Then the lifting cylinder 12 is started again, the piston rod of the lifting cylinder 12 extends, the upper cylinder 10 is driven to move downwards through the connecting lug 11 until the upper sealing gasket 39 arranged at the lower end of the upper cylinder 10 is pressed against the upper end of the workpiece 20, and the lifting cylinder 12 is stopped. At this time, the lower surface of the upper piston 23 is located at the upper through hole 17, the lower piston 25 is located at the lowest position of the lower cylinder 9, then the liquid inlet pump 16 is started, the liquid inlet pump 16 enables the polishing liquid 4 in the containing box 3 to enter the lower cylinder 9, the workpiece 20 and the upper cylinder 10 upwards through the liquid inlet pipe 14 until the polishing liquid 4 flows back into the containing box 3 through the upper through hole 17 and the liquid return pipe 18, the upper pushing cylinder 21 and the lower pushing cylinder 24 are closed, the upper piston 23 moves upwards or downwards in the upper cylinder 10 and the lower piston 25 simultaneously in the lower cylinder 9, and the liquid inlet pump 16 pumps the polishing liquid 4 to flow in the workpiece 20 from bottom to top and the upper piston 23 and the lower piston 25 simultaneously move upwards and downwards to drive the polishing liquid 4 in the workpiece 20 to reciprocate back and forth to the inner wall of the workpiece 20 (that is, the flow from bottom to top is macroscopic and the combination of microscopic polishing particles moves upwards and downwards in the process of the upper piston 23 and the lower piston 25 reciprocates upwards and downwards) so as to realize rapid polishing of the inner wall of the workpiece 20. The relative positions of the upper piston 23 of the upper pushing cylinder 21 and the lower piston 25 of the lower pushing cylinder 24 (i.e., the distance between the upper piston 23 and the lower piston 25) are controlled by the control computer 6. The polishing solution 4 enters from the liquid inlet pipe 14 and flows back into the holding box 3 from the liquid return pipe 18, thereby realizing the circulating polishing operation.
When the upper piston 23 and the lower piston 25 move upwards, the arrangement of the liquid inlet check valve 15 prevents the polishing liquid 4 from moving downwards from the liquid inlet pipe 14 to generate larger resistance to the liquid inlet pump 16. When the upper piston 23 and the lower piston 25 move downwards, the liquid in the liquid return pipe 18 is prevented from flowing backwards upwards due to the arrangement of the liquid return check valve 19.
In order to further enhance the sufficient scouring and friction of the inner wall of the workpiece 20 by the polishing particles in the polishing liquid 4, the lift drive motor 27, the rotation drive motor 28 of the upper ultrasonic vibration mechanism and the lift drive motor 27, the rotation drive motor 28 of the lower ultrasonic vibration mechanism are simultaneously started during the above polishing operation. Since the upper ultrasonic vibration mechanism and the lower ultrasonic vibration mechanism are identical in structure and are arranged symmetrically up and down, only the specific operation principle and process of the ultrasonic vibration mechanism outside the circumference of the upper cylinder 10 will be described in detail below:
The screw rods 29 are driven to rotate on the two lifting driving motors 27, the screw rods 29 rotate to drive the lifting ring plate 31 to move upwards or downwards along the two guide rods 26, the rotating driving motor 28 on the lifting ring plate 31 also moves upwards or downwards, the rotating driving motor 28 drives the gear ring 33 to rotate through the gear 32 (only one rotating driving motor 28 and one gear 32 can be arranged in the invention), when the gear ring 33 rotates, balls in the U-shaped gear ring positioning ring 35 play a role in supporting and limiting the position of the gear ring 33 in the vertical direction, and the inner ring of the gear ring 33 is provided with a universal roller 37 arranged at the inner end of the mounting tube to play a role in limiting the position of the gear ring 33 in the horizontal direction. The ultrasonic generator 36 rotates along with the gear ring 33 in the circumferential direction and moves up and down, the ultrasonic generator 36 performs spiral movement on the periphery of the upper cylinder 10 after the two movements are overlapped, ultrasonic waves emitted by the ultrasonic generator 36 pass through the upper cylinder 10 to vibrate the polishing liquid 4 in the upper cylinder 10, so that the polishing liquid 4 can be further mixed in the workpiece 20, and the polishing effect and efficiency can be fully improved.
A control computer 6 is placed on the work table 2 to control the whole polishing operation. Meanwhile, the vibration frequency of the ultrasonic generator 36 can be controlled by the control computer 6, meanwhile, the running speeds of the lifting driving motor 27, the rotating driving motor 28, the upper pushing cylinder 21 and the lower pushing cylinder 24 can also be controlled by the control computer 6, the polishing particle size monitor 49 can display the particle size of the polishing liquid 4 in the containing box 3 on the display of the control computer 6 in real time, when the particle size of the polishing liquid 4 is worn in the polishing process of the workpiece 20, and when the particle size is smaller than the over-small size, the polishing particle size monitor 49 reminds the replacement of the polishing liquid 4 in the containing box 3.
The upper support sealing structure and the lower support sealing structure are made of rubber materials, have certain elasticity, and have excellent sealing effect under the top pressure of the lifting cylinder 12. The upper seal ring 40 serves to position the upper seal ring 39 and also to enhance the sealing between the upper seal ring 39 and the lower end surface of the upper cylinder 10. The lower seal ring 43 plays a role in positioning the lower seal gasket 42 and also plays a role in enhancing the seal between the lower seal gasket 42 and the upper end face of the lower cylinder 9.
The upper rubber sleeve 38 is integrally formed with the upper sealing gasket 39, the lower rubber sleeve 41 is integrally formed with the lower sealing gasket 42, and the upper rubber sleeve 38 and the lower rubber sleeve 41 respectively play a role in installing and positioning the upper sealing gasket 39 and the lower sealing gasket 42.
The stirring motor 46 arranged on the holding box 3 drives the stirring shaft 47 and the stirring blades 48 to rotate, and the polishing solution 4 in the holding box 3 is stirred in the circulating flow process, so that the uniformity of the polishing solution 4 is ensured, and the precipitation of polishing particles is avoided.
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. Piston drive reciprocating type suspension burnishing machine, its characterized in that: the polishing device comprises a frame, a workbench horizontally arranged on the frame and a containing box arranged below the workbench, wherein polishing solution is contained in the containing box, a supporting frame and a control computer are arranged on the workbench, and a lower mounting plate and an upper mounting plate positioned above the lower mounting plate are horizontally arranged on the supporting frame;
The workbench is fixedly provided with a lower cylinder with an open top, a round hole positioned right above the lower cylinder is formed in the lower mounting plate, an upper cylinder with an open bottom is arranged in the round hole, the inner diameters of the upper cylinder and the lower cylinder are the same and have the same central line, two connecting lugs are symmetrically arranged at the center of the top of the upper cylinder, two lifting cylinders are fixedly arranged on the upper mounting plate along the vertical direction, and the lower ends of piston rods of the lifting cylinders are respectively connected with the upper surface of one connecting lug;
The upper part of the lower cylinder barrel is uniformly provided with a plurality of lower through holes along the circumferential direction, each lower through hole is connected with a liquid inlet pipe, the lower end of each liquid inlet pipe extends below the liquid level of the polishing liquid in the containing box, and each liquid inlet pipe is provided with a liquid inlet one-way valve and a liquid inlet pump positioned below the liquid inlet one-way valve; the lower part of the upper cylinder barrel is uniformly provided with a plurality of upper through holes along the circumferential direction, each upper through hole is connected with a liquid return pipe, the lower end of the liquid return pipe extends below the liquid level of the polishing liquid in the containing box, and each liquid return pipe is provided with a liquid return one-way valve;
An upper supporting sealing structure is arranged at the lower end part of the upper cylinder barrel, a lower supporting sealing structure is arranged at the upper end part of the lower cylinder barrel, and a cylindrical workpiece is clamped between the upper supporting sealing structure and the lower supporting sealing structure;
The top of the upper cylinder barrel is provided with an upper pushing cylinder, the upper mounting plate is provided with a through hole for passing through the upper pushing cylinder, an upper push rod of the upper pushing cylinder vertically and downwards stretches into the upper cylinder barrel, and the lower end of the upper push rod is fixedly connected with an upper piston which slides and is in sealing fit with the inner wall of the upper cylinder barrel;
the lower surface of the workbench is fixedly provided with a lower pushing cylinder, a lower push rod of the lower pushing cylinder vertically and downwards stretches into the lower cylinder barrel, and the upper end of the lower push rod is fixedly connected with a lower piston which slides and is in sealing fit with the inner wall of the lower cylinder barrel;
The outer circumference of the upper cylinder barrel and the outer circumference of the lower cylinder barrel are respectively provided with an ultrasonic vibration mechanism for uniformly vibrating the polishing solution and preventing sedimentation; the upper ultrasonic vibration mechanism and the lower ultrasonic vibration mechanism have the same structure and are arranged symmetrically up and down;
The ultrasonic vibration mechanism outside the circumference of the upper cylinder barrel comprises two guide rods, two lifting driving motors, two rotary driving motors, two screw rods, two bearing seats, a lifting ring plate, two gears and a gear ring, wherein the two guide rods and the two screw rods are all arranged along the vertical direction; the inner circle of ring gear evenly is provided with a plurality of installation tube along the circumferencial direction, is provided with miniature supersonic generator and universal gyro wheel in two adjacent installation tubes respectively, and supersonic generator's ultrasonic emission direction sets up along the radial direction of last cylinder, and universal gyro wheel and last cylinder excircle contact.
2. The piston driven reciprocating suspension polisher of claim 1 wherein: the upper supporting sealing structure comprises an upper rubber sleeve and an upper sealing gasket, the upper rubber sleeve is tightly sleeved on the outer circle of the lower end part of the upper cylinder barrel, the outer circumference of the upper sealing gasket is fixedly connected with the outer circle of the lower end of the upper rubber sleeve, the inner ring of the upper sealing gasket is flush with the inner wall of the upper cylinder barrel, an upper circular groove is formed in the lower end face of the upper cylinder barrel, and an upper sealing ring assembled in the upper circular groove is arranged on the upper surface of the upper sealing gasket.
3. The piston driven reciprocating suspension polisher of claim 1 wherein: the lower supporting sealing structure comprises a lower rubber sleeve and a lower sealing gasket, the lower rubber sleeve is tightly sleeved on the outer circle of the upper end part of the lower cylinder barrel, the outer circumference of the lower sealing gasket is fixedly connected with the outer circle of the upper end of the lower rubber sleeve, the inner ring of the lower sealing gasket is flush with the inner wall of the lower cylinder barrel, a lower circular groove is formed in the upper end face of the lower cylinder barrel, a lower sealing ring assembled in the lower circular groove is arranged on the lower surface of the lower sealing gasket, and a limiting ring used for limiting the position of a cylindrical workpiece is fixedly arranged at the upper end of the lower rubber sleeve.
4. The piston driven reciprocating suspension polisher of claim 1 wherein: the left side and the right side of holding the case are provided with the support respectively, are provided with agitator motor on the support, and agitator motor's main shaft is connected with the (mixing) shaft that the slope stretches into the polishing solution liquid level in the holding case with the axial transmission, is provided with stirring vane on the (mixing) shaft.
5. The piston driven reciprocating suspension polisher of claim 1 wherein: the front side and the rear side in the holding box are respectively provided with a polishing granularity monitor for monitoring the polishing solution in the holding box.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711147464.5A CN107717707B (en) | 2017-11-17 | 2017-11-17 | Piston driven reciprocating suspension polishing machine |
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| CN201711147464.5A CN107717707B (en) | 2017-11-17 | 2017-11-17 | Piston driven reciprocating suspension polishing machine |
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| CN107717707B true CN107717707B (en) | 2024-05-28 |
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| CN111300170B (en) * | 2020-03-13 | 2021-07-02 | 马鞍山金泰耐磨材料实业有限公司 | Improvement type steel ball burnishing machine |
| CN116803614B (en) * | 2022-09-15 | 2025-08-19 | 南通新蓝机器人科技有限公司 | Automatic polishing solution supply device and use method thereof |
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Effective date of registration: 20240424 Address after: No. 1100 Jinde Road, Jiangdong Town, Jindong District, Jinhua City, Zhejiang Province, 321000 Applicant after: JINHUA HONGJU TOOLS CO.,LTD. Country or region after: China Address before: Floor 7, Unit 2, Building 7, No. 3 Yousheng South Road, Jinshui District, Zhengzhou City, Henan Province, 450012 Applicant before: Bai Guanjun Country or region before: China |
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