CN112276686A - Single-drive high-efficiency high-precision magnetorheological polishing machine for outer surface of ceramic tube - Google Patents
Single-drive high-efficiency high-precision magnetorheological polishing machine for outer surface of ceramic tube Download PDFInfo
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- CN112276686A CN112276686A CN202011344796.4A CN202011344796A CN112276686A CN 112276686 A CN112276686 A CN 112276686A CN 202011344796 A CN202011344796 A CN 202011344796A CN 112276686 A CN112276686 A CN 112276686A
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- 238000005498 polishing Methods 0.000 title claims abstract description 133
- 239000000919 ceramic Substances 0.000 title claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 239000007921 spray Substances 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 238000001816 cooling Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 239000000243 solution Substances 0.000 description 28
- 238000011084 recovery Methods 0.000 description 12
- 238000005507 spraying Methods 0.000 description 7
- 230000005855 radiation Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 210000000078 claw Anatomy 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004018 waxing Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
- B24B1/005—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes using a magnetic polishing agent
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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
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/10—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work
- B24B31/112—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work using magnetically consolidated grinding powder, moved relatively to the workpiece under the influence of pressure
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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
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/12—Accessories; Protective equipment or safety devices; Installations for exhaustion of dust or for sound absorption specially adapted for machines covered by group B24B31/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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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
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
- B24B57/02—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a single-drive high-efficiency high-precision magnetorheological polishing machine for the outer surface of a ceramic tube, which comprises a rack, a polishing head, a spray head and a magnetorheological polishing liquid supply mechanism, wherein the rack is provided with a support; a sliding rail arranged along the vertical direction is fixed on a back plate of the rack, a lifting rack is connected to the sliding rail in a sliding manner, a first motor is fixed on the lifting rack, and an output shaft of the first motor is connected with a fixing clamp for fixing the ceramic tube through a coupler; the polishing head is arranged on the table board of the rack and located under the first motor, the polishing head is of an annular structure, the inner side of the polishing head is connected with a plurality of magnetic poles A and magnetic poles B which are arranged in an annular Halbach array, the magnetic poles A and the magnetic poles B are alternately arranged and are cylindrical, the magnetic poles A are arranged in a circumferential tangential direction, the magnetic poles B are radially arranged in the circumferential direction, the magnetic poles B are rotatably connected to the polishing head, and the magnetic poles B synchronously rotate under the driving of the driving mechanism. The invention has high efficiency, economy, practicability and high precision.
Description
Technical Field
The invention belongs to the technical field of ceramic tube polishing, and particularly relates to a single-drive high-efficiency high-precision magnetorheological polishing machine for the outer surface of a ceramic tube.
Background
Polishers, also known as grinders, are often used for mechanical grinding, polishing, and waxing. The working principle is as follows: the motor drives the sponge or wool polishing disc arranged on the polishing machine to rotate at a high speed, and the polishing disc and the polishing agent act together and rub the surface to be polished, so that the aims of removing paint surface pollution, oxide layers and shallow marks can be fulfilled, stepless speed change is mostly realized, and the sponge or wool polishing disc can be adjusted at any time during construction according to requirements. With the increase of polishing standards, magnetorheological polishing is gradually popularized, and is an application branch derived based on the rheological property of magnetorheological polishing liquid, polishing abrasive particles are added into the magnetorheological polishing liquid, and under the action of a magnetic field, the magnetic particles are mixed with the abrasive particles to slide on the surface of a workpiece, so that the surface material of the workpiece is removed, and the polishing effect is achieved.
Because the ceramic tube has a special shape structure and the magneto-rheological polishing is a novel composite material polishing technology, the ceramic tube is less researched and developed, the traditional scheme adopts an annular radiation magnetizing magnetic pole mode and an electromagnet magnetizing mode, but the radiation magnetizing cost is very high, the manufacturing cost of the magneto-rheological polishing machine is greatly increased, and the magneto-rheological polishing liquid cannot be replaced, so that the ceramic tube is rarely or even cannot be replaced by the magneto-rheological polishing liquid; although the magnet adding mode of the electromagnet can realize the good replacement of the magnetorheological polishing solution, two surfaces with good magnetic field generated by the electromagnet are upper and lower circular surfaces, the magnetic field intensity of the inner and outer side surfaces is very poor and far cannot meet the requirement of the magnetic field intensity, and the magnetorheological polishing efficiency and precision are greatly reduced.
In addition, according to the particularity of the ceramic tube material and the shape, the ceramic tube material is fragile and cylindrical, meanwhile, magnetorheological polishing requires high precision, the fixture is positioned and important, the traditional fixture cannot meet the particularity in a colleague manner, surface scratches are serious, the polishing precision is poor, and the breakage rate of the ceramic tube is high.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a single-drive high-efficiency high-precision magnetorheological polishing machine for the outer surface of a ceramic tube.
In order to achieve the purpose, the invention adopts the following technical scheme:
a single-drive high-efficiency high-precision magnetorheological polishing machine for the outer surface of a ceramic tube comprises a rack, a polishing head, a spray head and a magnetorheological polishing liquid supply mechanism;
a sliding rail arranged in the vertical direction is fixed on a back plate of the rack, a lifting rack is connected to the sliding rail in a sliding manner, the lifting rack is driven by a lifting driving mechanism to move up and down along the sliding rail, a first motor is fixed on the lifting rack, and an output shaft of the first motor is connected with a fixing clamp for fixing the ceramic tube through a coupler;
the polishing head is arranged on the table top of the rack and is positioned right below the first motor, the polishing head is of an annular structure, the inner side of the polishing head is connected with a plurality of magnetic poles A and magnetic poles B which are arranged in an annular Halbach array, the magnetic poles A and the magnetic poles B are alternately arranged and are cylindrical, the magnetic poles A are arranged tangentially along the circumference, the magnetic poles B are arranged radially along the circumference, the magnetic poles B are rotationally connected to the polishing head, and the magnetic poles B synchronously rotate under the driving of the driving mechanism;
and a liquid inlet of the spray head is connected to the magnetorheological polishing liquid supply mechanism, and a liquid outlet at the bottom of the spray head sprays magnetorheological polishing liquid towards the polishing head.
As a preferred embodiment, further, the lifting driving mechanism comprises a lifting chain and a flywheel, the flywheel is rotatably connected to the back plate of the rack, the flywheel is meshed with the lifting chain, the lifting chain is fixedly connected with the lifting frame, and the lifting chain operates to drive the lifting frame to move up and down, so that the first motor is driven to lift. The above-mentioned only one kind of lifting driving mechanism for driving the first motor, of course, the cylinder or the screw nut pair may also be used to drive the first motor to lift.
As a preferred embodiment, further, a fixing frame and a backing plate are sequentially arranged on the table top of the rack from top to bottom, the polishing head is connected to the fixing frame, the rotation driving mechanism includes a second motor, a conical gear disc and a planar needle roller bearing, the second motor is fixed below the backing plate, an output shaft of the second motor is fixedly connected to the center of the bottom of the conical gear disc, the planar needle roller bearing is supported on the backing plate, the conical gear disc is rotatably connected to the planar needle roller bearing and located at the bottom of the polishing end, conical gears are respectively fixed on each magnetic pole B, and each conical gear is respectively engaged with the conical gear disc.
As a preferred embodiment, a bearing a and a bearing B connected with a polishing head are respectively connected to the magnetic pole B and on two sides of the bevel gear.
As a preferred embodiment, further, the fixing clamp comprises a threaded rod a, a threaded rod B, a shell and a bracket, the threaded rod a and the threaded rod B are connected to the shell through threads, one end of the threaded rod B is engaged with the threaded rod a through threads, and the other end of the threaded rod B extends out of the shell; the threaded rod A bottom mounting has the support, support bottom fixedly connected with rotates the connector, it is connected with a plurality of jack catchs to rotate the connector outside along the circumferencial direction interval rotation, the inboard fixedly connected with cardboard of jack catch.
As a preferred embodiment, the lower end of the clamping plate is in threaded connection with locking bolts, guide grooves are formed in the shell corresponding to the locking bolts respectively, and the locking bolts penetrate through the corresponding guide grooves respectively.
As a preferred embodiment, further, the magnetorheological polishing solution supply mechanism comprises a recovery tank, a filter tank and a circulating pump, wherein the recovery tank is located below the table top, the recovery tank is erected above the filter tank through a supporting block, a cooling tank is arranged around the periphery of the recovery tank, the cooling tank is connected to a liquid outlet at the bottom of the recovery tank through a filter screen, the filter tank is connected to a liquid inlet of the circulating pump through a pump pipe a, the pump pipe a is connected with a pump valve, and a liquid outlet of the circulating pump is connected to a liquid inlet of a spray head through a pump pipe B.
As a preferred embodiment, further, a circle of annular inclined spraying grooves are arranged at the liquid outlet at the bottom of the spraying head.
In a preferred embodiment, an observation plate capable of being opened and closed is further connected to a side surface of the rack, and the condition of the magnetorheological polishing fluid supply mechanism can be observed by opening the observation plate.
As preferred embodiment, further, be fixed with articulated seat on the back of rack, articulated on the articulated seat have along horizontal direction pivoted swing arm, the free end and the shower nozzle fixed connection of swing arm are connected with the fixed block that is used for carrying out the locking location to the swing arm on the articulated seat.
By adopting the technical scheme, the invention has the following beneficial technical effects:
1. the single motor drives the plurality of magnetic poles to rotate, the replacement of the magnetorheological polishing solution is completed in the process of the rotation of the magnetic poles, the annular spray head is adopted to feed the magnetorheological polishing solution to replace the traditional spray head, fixed-point spray is changed into annular spray, so that the magnetorheological polishing solution on the outer side of the ceramic tube is sprayed more uniformly, the magnetorheological polishing solution generates inertia under the action of a pump, the magnetorheological polishing solution on the polishing head is impacted, the replacement of the magnetorheological polishing solution is accelerated, and the spraying uniformity, the replaceability and the polishing high efficiency of the magnetorheological polishing solution are realized;
2. the cylindrical magnetic pole Halbach array mode is adopted to replace an annular radiation magnetizing magnetic pole and an electromagnet magnetizing mode, the magnetic pole A strengthens the magnetic field intensity at the top end of the magnetic pole B to achieve a superposition effect, compared with the annular radiation magnetizing magnetic pole magnetizing mode, the manufacturing cost of the magneto-rheological polishing machine is greatly reduced, the replacement of magneto-rheological polishing liquid is realized, compared with the electromagnet magnetic pole magnetizing mode, the magnetic field intensity of the radial inner surface is improved, and the high efficiency and the economical efficiency of the magneto-rheological polishing are realized;
3. adopt combined type mounting fixture, the accurate center of automatic positioning clamping ceramic pipe, cardboard and locking bolt carry out the secondary positioning, reduce eccentric error, improve the axiality and the fastness of ceramic pipe polishing to reduce the polishing grit and to the outward appearance mar of ceramic pipe, realize the practicality and the high accuracy nature of magnetic current becomes polishing.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and the detailed description;
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a schematic view of the magnetic pole assembly on the polishing head;
FIG. 3 is a schematic view of the assembly on the polishing head;
FIG. 4 is a schematic view of a holding fixture;
FIG. 5 is a schematic view of a showerhead;
FIG. 6 is a schematic view of a bevel gear engagement;
FIG. 7 is a schematic view of a magnetic pole B;
fig. 8 is a schematic view of a magnetic pole array.
Detailed Description
As shown in fig. 1-8, the single-drive high-efficiency high-precision magnetorheological polishing machine for the outer surface of the ceramic tube comprises a rack 1, a polishing head 2, a spray head 19 and a magnetorheological polishing solution supply mechanism;
a sliding rail 23 arranged in the vertical direction is fixed on a back plate of the rack 1, a lifting frame 26 is connected on the sliding rail 23 in a sliding manner, the lifting frame 26 is driven by a lifting driving mechanism to move up and down along the sliding rail 23, a first motor 22 is fixed on the lifting frame 26, and an output shaft of the first motor 22 is connected with a fixing clamp 29 for fixing a ceramic tube through a coupler 32;
the polishing head 2 is arranged on the table surface 7 of the rack 1 and is positioned right below the first motor 22, the polishing head 2 is of an annular structure, the inner side of the polishing head 2 is connected with a plurality of magnetic poles A27 and magnetic poles B28 which are arranged in an annular Halbach array, the magnetic poles A27 and the magnetic poles B28 are alternately arranged and are cylindrical, the magnetic poles A27 are arranged tangentially along the circumference, the magnetic poles B28 are arranged radially along the circumference, the magnetic poles B28 are rotationally connected to the polishing head 2, and the magnetic poles B28 are driven by the driving mechanism to synchronously rotate;
and a liquid inlet of the spray head 19 is connected to the magnetorheological polishing liquid supply mechanism, and a liquid outlet at the bottom of the spray head 19 sprays magnetorheological polishing liquid towards the polishing head 2.
The lifting driving mechanism comprises a lifting chain 25 and a flywheel 24, the flywheel 24 is rotatably connected to the back plate of the rack 1, the flywheel 24 is meshed with the lifting chain 25, the lifting chain 25 is fixedly connected with a lifting frame 26, and the lifting chain 25 runs to drive the lifting frame 26 to do lifting motion, so that the first motor 22 is driven to lift. The above-mentioned mechanism is only one of the lifting driving mechanisms for driving the first motor 22, and it is of course possible to use an air cylinder or a screw nut pair to drive the first motor 22 to lift.
The polishing machine is characterized in that a fixed frame 5 and a base plate 6 are sequentially arranged on a table top 7 of the rack 1 from top to bottom, the polishing head 2 is connected onto the fixed frame 5, the driving mechanism comprises a second motor 8, a conical gear disc 3 and a planar needle roller bearing 4, the second motor 8 is fixed below the base plate 6, an output shaft of the second motor 8 is fixedly connected with the center of the bottom of the conical gear disc 3, the planar needle roller bearing 4 is supported on the base plate 6, the conical gear disc 3 is rotatably connected onto the planar needle roller bearing 4 and is located at the bottom of a polishing end, conical gears 29 are respectively fixed on each magnetic pole B28, and each conical gear 29 is respectively meshed with the conical gear disc 3.
In order to ensure that the magnetic pole B28 can stably and smoothly rotate, a bearing a30 and a bearing B31 connected with the polishing head 2 are respectively connected to the magnetic pole B28 and two sides of the bevel gear.
The fixing clamp 29 comprises a threaded rod A2901, a threaded rod B2902, a shell 2903 and a bracket 2904, the threaded rod A2901 and the threaded rod B2902 are connected to the interior of the shell 2903 in a threaded mode, one end of the threaded rod B2902 is in threaded engagement with the threaded rod A2901, and the other end of the threaded rod B2902 extends out of the shell 2903; a support 2904 is fixed at the bottom end of the threaded rod a2901, a rotary connector 2905 is fixedly connected at the bottom end of the support 2904, a plurality of claws 2906 are rotatably connected to the outer side of the rotary connector 2905 at intervals along the circumferential direction, and a clamping plate 2907 is fixedly connected to the inner side of the claws 2906. Further, a locking bolt 2909 is screwed to a lower end of the clamping plate 2907, a guide groove 2908 is formed in the housing 2903 corresponding to each locking bolt 2909, and each locking bolt 2909 passes through the corresponding guide groove 2908.
The magnetorheological polishing liquid supply mechanism comprises a recovery tank 11, a filter tank 14 and a circulating pump 17 (a peristaltic pump can be adopted), the recovery tank 11 is located below the table board 7, the recovery tank 11 is erected above the filter tank 14 through a supporting block 10, a cooling tank 12 is arranged around the periphery of the recovery tank 11, the cooling tank 12 is connected to a liquid outlet at the bottom of the recovery tank 11 through a filter screen 13, the filter tank 14 is connected to a liquid inlet of the circulating pump 17 through a pump pipe A15, a pump valve 16 is connected to a pump pipe A15, and a liquid outlet of the circulating pump 17 and a pump pipe B18 are connected to a liquid inlet of a spray head 19.
A circle of annular inclined spray grooves 1901 are arranged at a liquid outlet at the bottom of the spray head 19. By adopting the structure, fixed-point injection is changed into annular injection, so that the magnetorheological polishing fluid at the outer side of the ceramic tube is more uniformly injected.
An observation plate 9 which can be opened and closed is connected to the side surface of the rack 1, and the condition of the magnetorheological polishing solution supply mechanism can be observed by opening the observation plate 9.
The back of the rack 1 is fixed with an articulated seat, the articulated seat is articulated with a swing arm 20 rotating along the horizontal direction, the free end of the swing arm 20 is fixedly connected with a spray head 19, and the articulated seat is connected with a fixed block 21 used for locking and positioning the swing arm 20. The position of the spray head 19 can be adjusted through the swing arm 20, and the spray head is flexible to use and high in adaptability.
The working principle of the invention is as follows:
1) the ceramic tube is clamped and fixed in a fixture 29: placing a ceramic tube in a shell 2903, clockwise rotating a threaded rod B2902 to drive a threaded rod A2901 to move upwards, driving a rotating connector 2905 to move upwards, enabling a clamping claw 2906 to contract inwards, driving a clamping plate 2907 to fix the axis of the ceramic tube, reinforcing the bottom end of the ceramic tube through a locking bolt 2909, automatically positioning and clamping the center of the ceramic tube, and secondarily positioning the clamping plate 2907 and a positioning bolt, so that the eccentric error is reduced, the polishing coaxiality and firmness of the ceramic tube are improved, scratches of polishing abrasive particles on the outer surface of the ceramic tube are reduced, and the practicability and high precision of magneto-rheological polishing are realized;
2) the lifting driving mechanism drives the fixing clamp 29 to descend, so that the ceramic tube descends to a working area inside the polishing head 2;
3) the second motor 8 drives the conical gear plate 3 to rotate, the conical gear plate 3 drives each conical gear 29 to rotate, so that each magnetic pole B28 is driven to synchronously rotate, the replacement of the magnetorheological polishing solution is completed in the process of magnetic pole rotation B, the magnetic pole A27 strengthens the magnetic field intensity at the top end of the magnetic pole B28 to achieve a superposition effect, compared with an annular radiation magnetizing magnetic pole magnetizing mode, the manufacturing cost of the magnetorheological polishing machine is greatly reduced, the replacement of the magnetorheological polishing solution is realized, compared with an electromagnet magnetic pole magnetizing mode, the magnetic field intensity of the radial inner surface is improved, and the high efficiency and the economy of the magnetorheological polishing are realized;
4) rotating the swing arm 20 until the annular spray head 19 rotates to the upper side of the polishing head 2, and then locking and positioning the swing arm 20 through the fixing block 21;
5) opening a pump valve 16, enabling the magnetorheological polishing solution to enter a spray head 19 through a circulating pump 17, then spraying the magnetorheological polishing solution onto the polishing head 2 through an inclined spray groove of the spray head 19, continuously replacing the magnetorheological polishing solution through a magnetic pole B28, enabling the magnetorheological polishing solution to flow into a recovery tank 11 under the action of gravity, cooling the magnetorheological polishing solution by cooling liquid in a cooling tank 12 outside the recovery tank 11, filtering the magnetorheological polishing solution through a filter screen, then enabling the magnetorheological polishing solution to enter a filter 14, and enabling the circulating pump 17 to enable the magnetorheological polishing solution filtered in the filter 14 to be discharged through the circulating pump 17 through a pump pipe A15. In addition, the annular spray head 19 is adopted to feed the magnetorheological polishing solution to replace the traditional spray head 19, fixed-point spraying is changed into annular spraying, so that the magnetorheological polishing solution on the outer side of the ceramic tube is sprayed more uniformly, the magnetorheological polishing solution generates inertia under the action of the circulating pump 17, impact is generated on the magnetorheological polishing solution on the polishing head 2, the replacement of the magnetorheological polishing solution is accelerated, and the spraying uniformity, the replaceability and the polishing high efficiency of the magnetorheological polishing solution are realized.
While the invention has been described in connection with the above embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, which are illustrative and not restrictive, and that those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (10)
1. The utility model provides a single drive high-efficient high accuracy ceramic pipe surface magnetic current becomes burnishing machine which characterized in that: the magnetorheological polishing device comprises a rack, a polishing head, a spray head and a magnetorheological polishing solution supply mechanism;
a sliding rail arranged in the vertical direction is fixed on a back plate of the rack, a lifting rack is connected to the sliding rail in a sliding manner, the lifting rack is driven by a lifting driving mechanism to move up and down along the sliding rail, a first motor is fixed on the lifting rack, and an output shaft of the first motor is connected with a fixing clamp for fixing the ceramic tube through a coupler;
the polishing head is arranged on the table top of the rack and is positioned right below the first motor, the polishing head is of an annular structure, the inner side of the polishing head is connected with a plurality of magnetic poles A and magnetic poles B which are arranged in an annular Halbach array, the magnetic poles A and the magnetic poles B are alternately arranged and are cylindrical, the magnetic poles A are arranged tangentially along the circumference, the magnetic poles B are arranged radially along the circumference, the magnetic poles B are rotationally connected to the polishing head, and the magnetic poles B synchronously rotate under the driving of the driving mechanism;
and a liquid inlet of the spray head is connected to the magnetorheological polishing liquid supply mechanism, and a liquid outlet at the bottom of the spray head sprays magnetorheological polishing liquid towards the polishing head.
2. The single-drive high-efficiency high-precision magnetorheological polishing machine for the outer surface of the ceramic tube according to claim 1, characterized in that: the lifting driving mechanism comprises a lifting chain and a flywheel, the flywheel is rotatably connected to the back plate of the rack, the flywheel is meshed with the lifting chain, the lifting chain is fixedly connected with the lifting frame, and the lifting chain runs to drive the lifting frame to do lifting motion, so that the first motor is driven to lift.
3. The single-drive high-efficiency high-precision magnetorheological polishing machine for the outer surface of the ceramic tube according to claim 1, characterized in that: the polishing machine is characterized in that a fixing frame and a base plate are sequentially arranged on the table board of the rack from top to bottom, the polishing head is connected to the fixing frame, the driving mechanism comprises a second motor, a conical gear disc and a planar needle roller bearing, the second motor is fixed below the base plate, an output shaft of the second motor is fixedly connected with the center of the bottom of the conical gear disc, the planar needle roller bearing is supported on the base plate, the conical gear disc is rotatably connected to the planar needle roller bearing and located at the bottom of the polishing end, conical gears are respectively fixed on each magnetic pole B, and each conical gear is respectively meshed with the conical gear disc.
4. The single-drive high-efficiency high-precision magnetorheological polishing machine for the outer surface of the ceramic tube according to claim 3, characterized in that: and a bearing A and a bearing B which are connected with the polishing head are respectively connected on the magnetic pole B and on two sides of the bevel gear.
5. The single-drive high-efficiency high-precision magnetorheological polishing machine for the outer surface of the ceramic tube according to claim 1, characterized in that: the fixing clamp comprises a threaded rod A, a threaded rod B, a shell and a bracket, wherein the threaded rod A and the threaded rod B are connected to the inner part of the shell in a threaded manner, one end of the threaded rod B is meshed with the threaded rod A through threads, and the other end of the threaded rod B extends out of the shell; the threaded rod A bottom mounting has the support, support bottom fixedly connected with rotates the connector, it is connected with a plurality of jack catchs to rotate the connector outside along the circumferencial direction interval rotation, the inboard fixedly connected with cardboard of jack catch.
6. The single-drive high-efficiency high-precision magnetorheological polishing machine for the outer surface of the ceramic tube according to claim 5, characterized in that: the lower end of the clamping plate is in threaded connection with locking bolts, guide grooves are formed in the shell corresponding to the locking bolts respectively, and the locking bolts penetrate through the corresponding guide grooves respectively.
7. The single-drive high-efficiency high-precision magnetorheological polishing machine for the outer surface of the ceramic tube according to claim 1, characterized in that: magnetorheological polishing fluid feed mechanism is including retrieving pond, filtering pond and circulating pump, retrieve the below that the pond is located the mesa, retrieve the top that the pond erects in the filtering pond through the supporting shoe, the outer periphery in retrieving the pond is surrounded and is equipped with the cooling tank, and the cooling tank passes through the filter screen and connects in the liquid outlet department of retrieving the pond bottom, the filtering pond is connected to the inlet of circulating pump through pump line A, is connected with the pump valve on the pump line A, and the liquid outlet pump line B of circulating pump is connected to the inlet of shower nozzle.
8. The single-drive high-efficiency high-precision magnetorheological polishing machine for the outer surface of the ceramic tube according to claim 1, characterized in that: and a liquid outlet at the bottom of the spray head is provided with a circle of annular inclined spray groove.
9. The single-drive high-efficiency high-precision magnetorheological polishing machine for the outer surface of the ceramic tube according to claim 1, characterized in that: the side surface of the rack is connected with an observation plate which can be opened and closed, and the condition of the magnetorheological polishing solution supply mechanism can be observed by opening the observation plate.
10. The single-drive high-efficiency high-precision magnetorheological polishing machine for the outer surface of the ceramic tube according to claim 1, characterized in that: be fixed with articulated seat on the back of rack, articulated on the articulated seat have along horizontal direction pivoted swing arm, the free end and the shower nozzle fixed connection of swing arm are connected with the fixed block that is used for carrying out the locking location to the swing arm on articulated seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011344796.4A CN112276686A (en) | 2020-11-26 | 2020-11-26 | Single-drive high-efficiency high-precision magnetorheological polishing machine for outer surface of ceramic tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011344796.4A CN112276686A (en) | 2020-11-26 | 2020-11-26 | Single-drive high-efficiency high-precision magnetorheological polishing machine for outer surface of ceramic tube |
Publications (1)
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| CN113601276A (en) * | 2021-07-29 | 2021-11-05 | 广东工业大学 | Permanent magnet type cluster magnetorheological polishing mechanism and polishing method |
| CN117182669A (en) * | 2023-11-08 | 2023-12-08 | 盐城优希维阀门有限公司 | Valve foundry goods internal surface fluid polishing equipment |
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