CN110539244A - centrifugal rolling grinding unit - Google Patents
centrifugal rolling grinding unit Download PDFInfo
- Publication number
- CN110539244A CN110539244A CN201910963320.XA CN201910963320A CN110539244A CN 110539244 A CN110539244 A CN 110539244A CN 201910963320 A CN201910963320 A CN 201910963320A CN 110539244 A CN110539244 A CN 110539244A
- Authority
- CN
- China
- Prior art keywords
- grinding
- container
- fixing groove
- container fixing
- rotate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000000227 grinding Methods 0.000 title claims abstract description 109
- 238000005096 rolling process Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 230000001788 irregular Effects 0.000 abstract description 2
- 239000003082 abrasive agent Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002547 anomalous effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- 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
- B24B31/02—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 rotary barrels
- B24B31/0212—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 rotary barrels the barrels being submitted to a composite rotary movement
- B24B31/0218—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 rotary barrels the barrels being submitted to a composite rotary movement the barrels are moving around two parallel axes, e.g. gyratory, planetary movement
-
- 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
- B24B31/02—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 rotary barrels
- B24B31/033—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 rotary barrels having several rotating or tumbling drums with parallel axes
-
- 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
Abstract
The invention discloses a centrifugal rolling and grinding unit, which comprises a machine base, a centrifugal rolling and grinding mechanism and a top cover, wherein the centrifugal rolling and grinding mechanism and the top cover are arranged in the machine base; the centrifugal rolling grinding mechanism comprises a roller body, a main shaft driving the roller body to rotate, a plurality of grinding containers and a driving device, wherein the grinding containers are arranged on the roller body; the grinding containers are circumferentially arrayed by taking the axis of the main shaft as a center; each grinding container is detachably arranged in the roller main body through a container fixing groove; the two axial end parts of the container fixing groove are connected to the roller main body; the driving device comprises a driving motor and a driving wheel, the driving wheel is in transmission connection with the main shaft, and the driving motor drives the driving wheel to rotate so as to drive the main shaft to rotate. When rotating, the driving wheel drives the driven wheels to rotate, and then drives the container fixing groove to rotate. According to the centrifugal rolling grinding unit, the grinding container can be quickly placed into the container fixing groove and does high-speed irregular track motion along with the container fixing groove, and the grinding effect on internal products is good.
Description
Technical Field
the invention relates to the technical field of automatic grinding equipment, in particular to a centrifugal rolling grinding unit.
Background
In mechanical processing, after a workpiece is finished through processing modes such as turning, milling, planing and the like, burrs are generated on the surface of the workpiece in the processing processes, and the quality and the effect of use are affected in the using process of people, so that the workpiece needs to be subjected to deburring treatment. The surface finishing process for workpiece features that the workpiece, abrasive and additive are proportionally put in a container of grinder, and the workpiece and abrasive are moved and ground by the vibration of grinding container. Therefore, how to design the grinding equipment to achieve the maximum grinding effect is the aim of the invention.
Disclosure of Invention
the invention aims to: the centrifugal rolling grinding unit is reasonable in design, a plurality of detachable grinding containers are arranged in the centrifugal rolling grinding unit, the grinding containers can be quickly placed in the container fixing grooves and do high-speed irregular track motion along with the container fixing grooves, and the grinding effect is good.
The technical scheme of the invention is as follows: a centrifugal rolling and grinding unit comprises a base, a centrifugal rolling and grinding mechanism and a top cover, wherein the centrifugal rolling and grinding mechanism is installed in the base; the centrifugal rolling grinding mechanism comprises a roller body, a main shaft driving the roller body to rotate, a plurality of grinding containers and a driving device, wherein the grinding containers are arranged on the roller body; the grinding containers are circumferentially arrayed by taking the axis of the main shaft as a center; each grinding container is detachably arranged in the roller main body through a container fixing groove; the two axial end parts of the container fixing groove are connected to the roller main body; the driving device comprises a driving motor and a driving wheel, the driving wheel is in transmission connection with the main shaft, and the driving motor drives the driving wheel to rotate so as to drive the main shaft to rotate.
Preferably, the driving device further comprises a plurality of driven wheels and a transmission belt; the driven wheels are in transmission connection with the driving wheel through transmission belts; two ends of the container fixing groove are rotatably connected to the roller main body through a rotation rotating shaft; the inner end part of the autorotation rotating shaft is fixedly connected with the container fixing groove, and the outer end part of the autorotation rotating shaft is fixedly connected with a driven wheel; when rotating, the driving wheel drives the driven wheels to rotate, and then drives the container fixing groove to rotate.
Preferably, there are four grinding containers, and correspondingly there are four container-holding grooves and four driven wheels.
preferably, the grinding container comprises a grinding barrel with an opening at the upper end and a sealing cover which can be opened and closed and is arranged at the upper end of the grinding barrel in a sealing way; the container fixing groove is in a boat shape with an opening at the upper end, and the grinding container is detachably and fixedly arranged in the container fixing groove through a lever pressing mechanism.
Preferably, the lever pressing mechanism comprises an outer rod fixedly connected to the upper end of the sealing cover, two eccentric cam pressing rods which are bilaterally symmetrical and axially sleeved in the outer rod, a wrench which penetrates through the side wall of the outer rod and is fixedly connected with the eccentric cam pressing rods, two arc-shaped guide grooves which are bilaterally symmetrical and formed in the side wall of the outer rod, and two clamping rings which are fixedly connected to the upper sides of the two axial end parts of the container fixing groove; the rotary spanner is guided by the arc-shaped guide groove, and the two eccentric cam compression bars are clamped in the clamping ring.
Preferably, the grinding barrel comprises an inner barrel and a middle barrel, and the inner barrel is sleeved in the middle barrel; the upper end of the middle barrel is provided with a positioning pin, and the lower end of the sealing cover is provided with a positioning hole matched with the positioning pin; the grinding barrel is connected with the sealing cover through a plurality of fasteners.
Preferably, the grinding container is in a hexagonal column shape, and the upper end opening of the grinding container is one side surface; the container fixing groove is in a hexagonal column shape, and the upper end opening of the container fixing groove is provided with three side faces connected with each other.
Preferably, the outer side surface of the grinding container and the inner side surface of the container fixing groove are provided with matched guide strips.
Preferably, the two axial ends of the container fixing groove are provided with rotating shaft connecting blocks; the two rotating shaft connecting blocks are obliquely and coaxially arranged.
preferably, the rotating shaft connecting block is provided with a positioning groove, and the self-rotating shaft is provided with a positioning bulge matched with the positioning groove; the rotating shaft connecting block is fixedly connected with the rotation rotating shaft through a plurality of screws.
The invention has the advantages that:
1. The grinding container in the centrifugal rolling and grinding unit is quickly and detachably mounted in a container fixing groove of the centrifugal rolling and grinding unit, the grinding container and the sealing cover are connected through a plurality of fasteners by adopting an upper cover type, and the grinding container can be quickly assembled and disassembled in a static state, so that products and grinding materials in the container can be conveniently and quickly assembled and disassembled;
2. The grinding container is connected with the container fixing groove through the lever pressing mechanism, the structure is simple, the grinding container can be quickly disassembled and assembled, and the grinding container can be matched with an external manipulator to realize automatic quick disassembly and assembly;
3. Two pivot connecting blocks at container fixed slot both ends are rolled with peripheral hardware assorted centrifugation and are ground equipment fixed connection, revolve round simultaneously and the rotation in the centrifugation is rolled and is ground the equipment, do high-speed anomalous orbit motion, because two pivot connecting blocks make inside abrasive material be the heliciform rotation for the coaxial setting of slant, abrasive material mobility is stronger, has effectively increaseed the grinding effect.
Drawings
the invention is further described with reference to the following figures and examples:
Fig. 1 is a first structural view (with a top cover removed) of a centrifugal tumbling unit according to an embodiment;
FIG. 2 is a second schematic structural view of the centrifugal tumbling unit of the embodiment (with the top cover and one of the grinding containers and the container fixing grooves removed);
FIG. 3 is a third schematic structural view of a centrifugal lapping unit in an embodiment;
FIG. 4 is a schematic view showing a structure before the grinding vessel and the vessel fixing groove are coupled in accordance with the present invention;
FIG. 5 is a schematic view showing a structure of the grinding vessel and the vessel fixing groove in the present invention, which are fixedly coupled;
FIG. 6 is a schematic view of the grinding barrel and the sealing cover before assembly;
FIG. 7 is a front view of the grinding vessel of the present invention in fixed engagement with the vessel retaining groove;
FIG. 8 is an enlarged view of the point A in FIG. 2;
Wherein: 1. a machine base; 2. a centrifugal rolling grinding mechanism; 3. a top cover; 31. a movable door; 4. a drum body; 5. a main shaft; 6. a grinding vessel; 61. a grinding barrel; 611. an inner barrel; 612. a middle barrel; 613. positioning pins; 621. a fastener; 62. a sealing cover; 7. a drive device; 71. a drive motor; 72. a driving wheel; 73. a driven wheel; 74. a transmission belt; 8. a container-securing slot; 81. a rotating shaft connecting block; 82. positioning a groove; 9. a rotation shaft; 91. positioning the projection; 10. a lever hold-down mechanism; 101. an outer rod; 102. an eccentric cam compression bar; 103. a wrench; 104. an arc-shaped guide groove; 105. a snap ring; 11. and (4) a guide strip.
Detailed Description
example (b):
the centrifugal rolling and grinding unit shown in the attached figures 1-3 comprises a machine base 1, a centrifugal rolling and grinding mechanism 2 arranged in the machine base 1 and a top cover 3; the centrifugal rolling and grinding mechanism 2 comprises a roller body 4, a main shaft 5 for driving the roller body 4 to rotate, a plurality of grinding containers 6 arranged on the roller body 4 and a driving device 7; the top cover 3 is also provided with a movable door 31 which can be opened and closed, when the movable door is opened, the grinding container is conveniently arranged on the roller body 4, and when the equipment is used for grinding and processing, the movable door 31 is closed; the four grinding containers 6 are circumferentially arrayed with the axis of the main shaft 5 as the center; each grinding container 6 is detachably mounted in the drum body 4 through a container fixing groove 8; the two axial ends of the container fixing groove 8 are connected to the roller body 4; the driving device 7 comprises a driving motor 71 and a driving wheel 72, the driving wheel 72 is in transmission connection with the spindle 5, and the driving motor 71 drives the driving wheel 72 to rotate so as to drive the spindle 5 to rotate. The driving means 7 further comprise a plurality of driven wheels 73 and a transmission belt 74; a plurality of driven wheels 73 are in transmission connection with the driving wheel 72 through a transmission belt 74; two ends of the container fixing groove 8 are rotatably connected to the roller body 4 through a rotation rotating shaft 9; the inner end part of the rotation rotating shaft 9 is fixedly connected with the container fixing groove 8, and the outer end part is fixedly connected with a driven wheel 73; when the driving wheel 72 rotates, the driven wheels 73 are driven to rotate, and then the container fixing grooves 8 are driven to rotate.
Since there are four grinding containers 6, there are four corresponding container-fixing grooves 8 and four corresponding driven wheels 73.
As shown in fig. 4 to 6, the grinding container 6 comprises a grinding barrel 61 with an opening at the upper end and a sealing cover 62 which can be opened and closed and is arranged at the upper end of the grinding barrel 61; the container fixing groove 8 is in a boat shape with an opening at the upper end, and the grinding container 6 is detachably and fixedly arranged in the container fixing groove 8 through a lever pressing mechanism 10. The lever pressing mechanism 10 comprises an outer rod 101 fixedly connected to the upper end of the sealing cover 62, two eccentric cam pressing rods 102 which are bilaterally symmetrical and axially sleeved inside the outer rod 101, a wrench 103 which penetrates through the side wall of the outer rod 101 and is fixedly connected with the eccentric cam pressing rods 102, two arc-shaped guide grooves 104 which are bilaterally symmetrical and arranged on the side wall of the outer rod 101, and two clamping rings 105 which are fixedly connected to the upper sides of the two axial end parts of the container fixing groove 103; the turning wrench 103 is guided by the arc-shaped guide groove 104, and the two eccentric cam pressing rods 102 are clamped in the clamping ring 105. This structure can cooperate with peripheral hardware manipulator, realizes automatic quick assembly disassembly, snatchs sealed grinding container through the manipulator and puts into container fixed slot 8, rotates spanner 103 and makes the overhanging card of eccentric cam depression bar 102 outside end go into in the snap ring 105 of container fixed slot 8, just can fix grinding container in container fixed slot 8, after abrasive machining, the reverse spanner 103 that rotates resets and can take out grinding container.
As shown in fig. 6, the grinding barrel 61 includes an inner barrel 611 and a middle barrel 612, the inner barrel 611 is sleeved in the middle barrel 612; the upper end of the middle barrel 612 is provided with a positioning pin 613, and the lower end of the sealing cover 62 is provided with a positioning hole matched with the positioning pin 613; the grinding barrel 61 is connected with the sealing cover 62 through a plurality of fasteners 621; during disassembly and assembly, the positioning device is used for quick positioning, and is convenient for accelerating the disassembly and assembly speed.
The grinding container 6 is in a hexagonal column shape, and the opening at the upper end of the grinding container is one side surface; the container fixing groove 8 is in a hexagonal column shape, and the upper end opening of the container fixing groove is provided with three side surfaces connected with each other. And the outer side surface of the grinding container 6 and the inner side surface of the container fixing groove 8 are provided with matched guide strips 11. Such design, conveniently through the manipulator with grind the container 6 quick put into container fixed slot 8, and the position is accurate.
as shown in fig. 7 and 8, the container fixing groove 8 is provided at both axial ends thereof with rotating shaft connecting blocks 81; the two rotating shaft connecting blocks 81 are arranged obliquely and coaxially. The rotating shaft connecting block 81 is provided with a positioning groove 82, and the self-rotating shaft 9 is provided with a positioning bulge 91 matched with the positioning groove 82; the rotating shaft connecting block 81 is fixedly connected with the rotation rotating shaft 9 through a plurality of screws. The grinding container 6 can revolve and rotate in the centrifugal rolling grinding equipment, and the two rotating shaft connecting blocks are obliquely and coaxially arranged, so that the internal grinding materials rotate spirally, the mobility of the grinding materials is stronger, and the grinding effect is effectively improved.
The working principle of the centrifugal rolling and grinding unit is as follows: outside the equipment, filling products to be processed and abrasive materials into grinding barrels of a plurality of grinding containers, and mounting a sealing cover to the grinding barrels through fasteners; the grinding container is clamped and placed into the container fixing groove through an external manipulator, the main shaft is fast connected with the container fixing groove through the lever pressing mechanism, the main shaft rotates by a certain angle, a next grinding container is placed, after the grinding container is placed in the container fixing groove in the grinding equipment, the movable door on the top cover is closed, and the driving device is started to drive the grinding container to revolve and rotate.
the foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed herein be covered by the appended claims.
Claims (10)
1. A centrifugal tumbling unit characterized by: comprises a machine base (1), a centrifugal rolling grinding mechanism (2) and a top cover (3) which are arranged in the machine base (1); the centrifugal rolling and grinding mechanism (2) comprises a roller body (4), a main shaft (5) driving the roller body (4) to rotate, a plurality of grinding containers (6) and a driving device (7) which are arranged on the roller body (4); the grinding containers (6) are circumferentially arrayed with the axis of the main shaft (5) as the center; each grinding container (6) is detachably arranged in the roller main body (4) through a container fixing groove (8); the two axial ends of the container fixing groove (8) are connected to the roller body (4); the driving device (7) comprises a driving motor (71) and a driving wheel (72), the driving wheel (72) is in transmission connection with the main shaft (5), and the driving motor (71) drives the driving wheel (72) to rotate so as to drive the main shaft (5) to rotate.
2. A centrifugal tumbling unit as claimed in claim 1, wherein: the driving device (7) further comprises a plurality of driven wheels (73) and a transmission belt (74); the driven wheels (73) are in transmission connection with the driving wheel (72) through a transmission belt (74); two ends of the container fixing groove (8) are rotatably connected to the roller body (4) through a rotation rotating shaft (9); the inner end part of the autorotation rotating shaft (9) is fixedly connected with the container fixing groove (8), and the outer end part is fixedly connected with a driven wheel (73); when the driving wheel (72) rotates, the driven wheel wheels (73) are driven to rotate, and then the container fixing groove (8) is driven to rotate.
3. A centrifugal tumbling unit as claimed in claim 2, wherein: the number of the grinding containers (6) is four, and the number of the corresponding container fixing grooves (8) and the corresponding driven wheels (73) is also four.
4. A centrifugal tumbling unit as claimed in any one of claims 1 to 3, wherein: the grinding container (6) comprises a grinding barrel (61) with an opening at the upper end and a sealing cover (62) which can be opened and closed and is arranged at the upper end of the grinding barrel (61); the container fixing groove (8) is in a boat shape with an opening at the upper end, and the grinding container (6) is detachably and fixedly arranged in the container fixing groove (8) through a lever pressing mechanism.
5. A centrifugal tumbling unit as claimed in claim 4, wherein: the lever pressing mechanism (10) comprises an outer rod (101) fixedly connected to the upper end of the sealing cover (62), two eccentric cam pressing rods (102) which are bilaterally symmetrical and axially sleeved in the outer rod (101), a wrench (103) which penetrates through the side wall of the outer rod (101) and is fixedly connected with the eccentric cam pressing rods (102), two arc-shaped guide grooves (104) which are bilaterally symmetrical and arranged on the side wall of the outer rod (101) and two clamping rings (105) which are fixedly connected to the upper sides of the two axial end parts of the container fixing groove (103); the rotary wrench (103) is guided by the arc-shaped guide groove (104), and the two eccentric cam compression rods (102) are clamped in the clamping ring (105).
6. A centrifugal tumbling unit as claimed in claim 4, wherein: the grinding barrel (61) comprises an inner barrel (611) and a middle barrel (612), and the inner barrel (611) is sleeved in the middle barrel (612); the upper end of the middle barrel (612) is provided with a positioning pin (613), and the lower end of the sealing cover (62) is provided with a positioning hole matched with the positioning pin (613); the grinding barrel (61) and the sealing cover (62) are connected through a plurality of fasteners (621).
7. a centrifugal tumbling unit as claimed in claim 6, wherein: the grinding container (6) is in a hexagonal column shape, and the opening at the upper end of the grinding container is one side surface; the container fixing groove (8) is in a hexagonal column shape, and the upper end opening of the container fixing groove is provided with three side faces connected with each other.
8. A centrifugal tumbling unit as claimed in claim 7, wherein: and the outer side surface of the grinding container (6) and the inner side surface of the container fixing groove (8) are provided with matched guide strips (11).
9. a centrifugal tumbling unit as claimed in claim 2, wherein: rotating shaft connecting blocks (81) are arranged at two axial end parts of the container fixing groove (8); the two rotating shaft connecting blocks (81) are obliquely and coaxially arranged.
10. A centrifugal tumbling unit as claimed in claim 9, wherein: the rotating shaft connecting block (81) is provided with a positioning groove (82), and the self-rotating shaft (9) is provided with a positioning bulge (91) matched with the positioning groove (82); the rotating shaft connecting block (81) is fixedly connected with the rotation rotating shaft (9) through a plurality of screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910963320.XA CN110539244A (en) | 2019-10-11 | 2019-10-11 | centrifugal rolling grinding unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910963320.XA CN110539244A (en) | 2019-10-11 | 2019-10-11 | centrifugal rolling grinding unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110539244A true CN110539244A (en) | 2019-12-06 |
Family
ID=68715566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910963320.XA Withdrawn CN110539244A (en) | 2019-10-11 | 2019-10-11 | centrifugal rolling grinding unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110539244A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111136568A (en) * | 2019-12-23 | 2020-05-12 | 大连煜美医疗科技有限公司 | Automatic centrifuge polisher |
| CN114589614A (en) * | 2022-03-21 | 2022-06-07 | 石培清 | Self-rotating roller of polishing equipment and high-precision polishing equipment |
-
2019
- 2019-10-11 CN CN201910963320.XA patent/CN110539244A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111136568A (en) * | 2019-12-23 | 2020-05-12 | 大连煜美医疗科技有限公司 | Automatic centrifuge polisher |
| CN114589614A (en) * | 2022-03-21 | 2022-06-07 | 石培清 | Self-rotating roller of polishing equipment and high-precision polishing equipment |
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|---|---|---|---|
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191206 |