CN115555993A - Composite spindle for manufacturing diffractive optical element - Google Patents
Composite spindle for manufacturing diffractive optical element Download PDFInfo
- Publication number
- CN115555993A CN115555993A CN202210579975.9A CN202210579975A CN115555993A CN 115555993 A CN115555993 A CN 115555993A CN 202210579975 A CN202210579975 A CN 202210579975A CN 115555993 A CN115555993 A CN 115555993A
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- bearing
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- air flow
- airflow
- optical element
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- 239000002131 composite material Substances 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 230000003287 optical effect Effects 0.000 title claims abstract description 16
- 238000005498 polishing Methods 0.000 claims abstract description 31
- 239000002184 metal Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 244000137852 Petrea volubilis Species 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000007517 polishing process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012797 qualification 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention relates to a composite spindle for manufacturing a diffraction optical element, which comprises a machine body, a stator and a rotor, wherein the stator and the rotor are arranged in the machine body, a front end cover is arranged at the front end of the machine body, a bearing seat and a rear end cover are arranged at the rear end of the machine body, a shaft core is arranged in the rotor in an interference fit manner, the front part of the shaft core is connected with a grinding assembly and a front bearing assembly, and the rear part of the shaft core is connected with a polishing assembly and a rear bearing assembly. The invention has the beneficial effects that: the front part of the shaft core is connected with and provided with the grinding component, and the rear part of the shaft core is connected with and provided with the polishing component, so that the polishing and the fine grinding of workpieces and artworks can be completed on the same main shaft.
Description
Technical Field
The invention relates to the technical field of diffraction optics, in particular to a composite spindle for manufacturing a diffraction optical element.
Background
Almost all metal shells and plastic shells need to be polished in the modern society, the polishing process is taken as a key process, and the attractiveness, quality, appearance smoothness and quality precision of products are directly influenced by the quality of the polishing process; for example, metal and plastic shells of mobile phones, metal and plastic shells of notebook computers, and home decoration metals, etc., are subjected to a polishing process, and the quality of the polishing process directly affects the qualification rate and cost accounting of products.
Pneumatic polishing machines are used in the market, the pneumatic polishing machines are unstable and difficult to realize mechanical automation, and electric polishing machines are also used in the market, but the existing electric polishing machines mainly adopt a grinding form, are difficult to grind when hard materials are ground, have quite long grinding time, and have the defects that a main shaft of the electric polishing machine is made into an eccentric double-shaft center due to the grinding form, the vibration generated by rotation is larger, the centrifugal force is larger, the requirements on the rigidity of a fixed frame are strict, and the generated vibration and the centrifugal force have certain damage to equipment.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a composite spindle for manufacturing a diffractive optical element, which can finish polishing and fine grinding of workpieces and artworks through one spindle.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a composite spindle for manufacturing a diffractive optical element comprises a machine body, a stator and a rotor, wherein the stator and the rotor are arranged in the machine body, a front end cover is installed at the front end of the machine body, a bearing seat and a rear end cover are installed at the rear end of the machine body, a shaft core is installed in the rotor in an interference fit mode, the front portion of the shaft core is connected with a grinding assembly and a front bearing assembly, and the rear portion of the shaft core is connected with a polishing assembly and a rear bearing assembly;
the front bearing assembly comprises a front bearing, a front bearing cover and a front shaft sleeve, wherein the outer ring of the front bearing is fixedly arranged at the front part of the machine body, the inner ring of the front bearing and the front shaft sleeve are simultaneously sleeved at the front part of the shaft core, the front shaft sleeve is positioned in front of the front bearing, and the front bearing cover is arranged at the front end of the machine body through a screw;
the grinding assembly comprises an eccentric pipe, a balancing weight, a driven shaft, a driven bearing, a spring fixing column and a grinding chassis, wherein the eccentric pipe is in threaded connection with the front shaft sleeve, the balancing weight and the driven bearing are installed in the eccentric pipe, the driven shaft is sleeved in an inner ring of the driven bearing, the center of the grinding chassis is fixedly installed at the front end of the driven shaft, and the spring fixing column is installed between the grinding chassis and the front end cover for fixing;
the rear bearing assembly comprises a rear bearing, a rear bearing cover and a rear shaft sleeve, wherein the outer ring of the rear bearing is fixedly arranged at the rear part of the machine body, the inner ring of the rear bearing and the rear shaft sleeve are simultaneously sleeved at the rear part of the shaft core, and the rear bearing cover is arranged at the rear end of the machine body through a screw;
the polishing assembly includes a polishing platen mounted to the rear of a spindle.
The eccentric pipe is sleeved with a front end cover inner sleeve with an airflow groove A on the inner side, an airflow channel A communicated with the airflow groove A is arranged in the front end cover, a rear end cover inner sleeve with an airflow groove B on the inner side is sleeved on the rear portion of the shaft core, an airflow channel B communicated with the airflow groove B is arranged in the rear end cover, an airflow channel E is arranged in the machine body, an airflow channel F is arranged in the bearing seat, the airflow channel A, the airflow channel B, the airflow channel E and the airflow channel F are communicated, and an airflow inlet communicated with the airflow channel E is arranged on the machine body.
The inner side of the front bearing cover is provided with a circle of airflow groove C, the front bearing cover is internally provided with an airflow channel C, one end of the airflow channel C is communicated with the airflow groove C, the other end of the airflow channel C is communicated with the airflow channel E, the inner side of the rear bearing cover is provided with a circle of airflow groove D, and the rear bearing cover is internally provided with an airflow channel D, one end of the airflow channel D is communicated with the airflow groove D, and the other end of the airflow channel D is communicated with the airflow channel F.
The magic tapes are respectively arranged on the outer sides of the grinding base plate and the polishing base plate, and the abrasive paper for grinding or polishing is arranged in the magic tapes, so that the installation mode of the abrasive paper is better simplified, and the replacement of the abrasive paper is convenient.
The central axis of the driven shaft and the central axis of the shaft core are parallel to each other but do not coincide with each other.
The eccentric pipe is composed of a screwing part with an internal thread, an eccentric part and an inward flanging, the screwing part is located on one side of the eccentric part, the flanging is located on the other side of the eccentric part, and the pipe wall of the eccentric part is gradually thickened from one side to the other side.
The counterweight block is a metal ring, the annular wall of the metal ring is gradually thickened from one side to the other side, and one side of the annular wall thickness of the counterweight block is aligned with one side of the wall thickness of the eccentric pipe.
Wherein, the stator is fixed in the machine body through M4 jackscrews.
Wherein, the upper part of the machine body is provided with a stator electric energy input port.
The beneficial effects of the invention are:
1. the front part of the shaft core is connected with and mounted with a grinding component, and the rear part of the shaft core is connected with and mounted with a polishing component, so that the polishing and the fine grinding of workpieces and artworks are finished on the same main shaft;
2. the stator is electrified to generate a magnetic field to drive the rotor and the shaft core to rotate, so that electric energy is directly converted into mechanical energy, and energy loss is reduced;
3. the grinding chassis is fixedly connected with the front end cover through the spring fixing column, so that the grinding chassis can only generate vibration action for grinding under the driving of the eccentric pipe, the driven shaft and the balancing weight, can not do rotary motion, can carry out vibration grinding on hard materials, and has the advantages of small centrifugal force of the whole device, low requirement on rigidity of a fixing frame, low damage degree on equipment and prolonged service life of the equipment because the grinding chassis can not rotate;
4. after high-pressure gas is introduced into airflow channels arranged in the machine body, the front end cover, the bearing seat, the rear end cover, the front shaft sleeve and the rear shaft sleeve, airflow is sprayed out from airflow grooves arranged in the front end cover inner sleeve, the front shaft cover, the rear end cover inner sleeve and the rear shaft cover to form a closed air pressure screen, so that dust and sweeps are prevented from entering the machine body to damage a shaft core in the machining process;
5. the magic tapes fixed on the polishing base plate and the grinding base plate simplify the installation mode of the abrasive paper for polishing and grinding, and facilitate the replacement of the abrasive paper.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a right side view of the eccentric tube of the present invention;
fig. 3 is a right side view of the weight of the present invention.
The reference numbers in the figures illustrate: 1-machine body, 2-stator electric energy input port, 3-M4 jackscrew, 4-airflow channel E, 5-airflow inlet, 6-stator, 7-rotor, 8-shaft core, 9-front end cover, 10-airflow channel A, 11-bearing seat, 12-airflow channel F, 13-rear end cover, 14-airflow channel B, 15-front bearing, 16-front bearing cover, 17-airflow groove C, 18-airflow channel C, 19-front shaft sleeve, 20-counterweight block, 21-driven bearing, 22-eccentric pipe, 23-driven shaft, 24-front end cover inner sleeve, 25-airflow groove A, 26-spring fixing column, 27-grinding chassis, 28-magic tape, 29-rear bearing, 30-rear bearing cover, 31-airflow groove D, 32-airflow channel D, 33-rear shaft sleeve, 34-rear end cover inner sleeve, 35-airflow groove B, 36-polishing chassis, 37-screwed part, 38-eccentric part and 39-flanging.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 3, a composite spindle for manufacturing a diffractive optical element includes a machine body 1, and a stator 6 and a rotor 7 which are arranged in the machine body 1, the stator 6 is fixed in the machine body 1 through an M4 jackscrew 3, the rotor 7 is located in the middle of the stator 6, the upper portion of the machine body 1 is provided with a stator power input port 2, the front end of the machine body 1 is provided with a front end cover 9, the rear end of the machine body 1 is provided with a bearing seat 11 and a rear end cover 13, the rotor 7 is provided with a shaft core 8 in an interference fit manner, the front portion of the shaft core 8 is connected with a grinding component and a front bearing component, and the rear portion of the shaft core 8 is connected with a polishing component and a rear bearing component;
the front bearing assembly comprises a front bearing 15, a front bearing cover 16 and a front shaft sleeve 19, wherein the outer ring of the front bearing 15 is fixedly arranged at the front part of the machine body 1, the inner ring of the front bearing 15 and the front shaft sleeve 16 are simultaneously sleeved at the front part of the shaft core 8, the front shaft sleeve 19 is positioned in front of the front bearing 15, and the front bearing cover 16 is arranged at the front end of the machine body 1 through a screw;
the grinding assembly comprises an eccentric pipe 22, a balancing weight 20, a driven shaft 23, a driven bearing 21, a spring fixing column 26 and a grinding chassis 27, the eccentric pipe 22 is in threaded connection with the front shaft sleeve 19, the balancing weight 20 and the driven bearing 21 are installed in the eccentric pipe 22, the driven shaft 23 is sleeved in an inner ring of the driven bearing 21, the center of the grinding chassis 27 is fixedly installed at the front end of the driven shaft 23, and the spring fixing column 26 is installed between the grinding chassis 27 and the front end cover 9 for fixing;
the rear bearing assembly comprises a rear bearing 29, a rear bearing cover 30 and a rear shaft sleeve 33, the outer ring of the rear bearing 29 is fixedly arranged at the rear part of the machine body 1, the inner ring of the rear bearing 29 and the rear shaft sleeve 33 are simultaneously sleeved at the rear part of the shaft core 8, and the rear bearing cover 30 is arranged at the rear end of the machine body 1 through screws;
the polishing assembly includes a polishing platen 36 mounted to the rear of the spindle 8.
The eccentric tube 22 is externally sleeved with a front end cover inner sleeve 24 with an air flow groove A25 on the inner side, an air flow channel A10 communicated with the air flow groove A25 is arranged in the front end cover 9, the rear part of the shaft core 8 is sleeved with a rear end cover inner sleeve 34 with an air flow groove B35 on the inner side, an air flow channel B14 communicated with the air flow groove B35 is arranged in the rear end cover 13, an air flow channel E4 is arranged in the machine body 1, an air flow channel F12 is arranged in the bearing seat 11, the air flow channel A10, the air flow channel B14, the air flow channel E4 and the air flow channel F12 are communicated, and an air flow inlet 5 communicated with the air flow channel E4 is arranged on the machine body 1.
Wherein, the inner side of the front bearing cover 16 is provided with a circle of air flow grooves C17, the front bearing cover 16 is provided with an air flow channel C18 with one end communicated with the air flow grooves C17 and the other end communicated with the air flow channel E4, the inner side of the rear bearing cover 30 is provided with a circle of air flow grooves D31, and the rear bearing cover 30 is provided with an air flow channel D32 with one end communicated with the air flow grooves D31 and the other end communicated with the air flow channel F12.
Wherein, the magic subsides 28 are installed respectively to the outside on grinding chassis 27 and the polishing chassis 36, and the abrasive paper of installation grinding or polishing usefulness in the magic subsides 28, and the better simplification of such mounting means of abrasive paper has made things convenient for the change of abrasive paper.
Wherein, the central axis of the driven shaft 23 and the central axis of the shaft core 8 are parallel but not coincident.
The eccentric pipe 22 is composed of a threaded portion 37 with internal threads, an eccentric portion 38 and an inward flange 39, the threaded portion 37 is located on one side of the eccentric portion 38, the flange 39 is located on the other side of the eccentric portion 38, and the pipe wall of the eccentric portion 38 is gradually thickened from one side to the other side.
Wherein, the clump weight 20 is a metal ring, the annular wall of the metal ring is gradually thickened from one side to the other side, and one side of the annular wall thickness of the clump weight 20 is aligned with one side of the wall thickness of the eccentric tube 22.
The stator 6 is electrified to generate a magnetic field to drive the rotor 7 and the shaft core to rotate, so that electric energy is directly converted into mechanical energy, and energy loss is reduced; the front part of the shaft core 8 is connected with and provided with a grinding component, and the rear part of the shaft core 8 is connected with and provided with a polishing component, so that the polishing and the fine grinding of workpieces and artworks are finished on the same main shaft; the grinding chassis 27 is fixedly connected with the front end cover 9 through the spring fixing column 26, so that the grinding chassis 27 can only generate vibration action for grinding under the driving of the eccentric pipe 22, the driven shaft 23 and the balancing weight 20, can not do rotary motion, can carry out vibration grinding on hard materials, and has the advantages of small centrifugal force of the whole device, low requirement on the rigidity of a fixing frame, low damage degree on equipment and prolonged service life of the equipment because the grinding chassis can not rotate; after high-pressure gas is introduced into the airflow channels arranged in the machine body, the front end cover, the bearing seat, the rear end cover, the front shaft sleeve and the rear shaft sleeve, airflow is sprayed out from airflow grooves arranged in the front end cover inner sleeve, the front shaft cover, the rear end cover inner sleeve and the rear shaft cover to form a closed air pressure screen, and therefore dust and sweeps are prevented from entering the machine body to damage a shaft core in the machining process.
The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (9)
1. A composite spindle for manufacturing a diffractive optical element, comprising a body, and a stator and a rotor arranged in the body, characterized in that: the front end of the machine body is provided with a front end cover, the rear end of the machine body is provided with a bearing seat and a rear end cover, the middle of the rotor is provided with a shaft core in an interference fit manner, the front part of the shaft core is connected with a grinding assembly and a front bearing assembly, and the rear part of the shaft core is connected with a polishing assembly and a rear bearing assembly;
the front bearing assembly comprises a front bearing, a front bearing cover and a front shaft sleeve, wherein the outer ring of the front bearing is fixedly arranged at the front part of the machine body, the inner ring of the front bearing and the front shaft sleeve are simultaneously sleeved at the front part of the shaft core, the front shaft sleeve is positioned in front of the front bearing, and the front bearing cover is arranged at the front end of the machine body through a screw;
the grinding assembly comprises an eccentric pipe, a balancing weight, a driven shaft, a driven bearing, a spring fixing column and a grinding chassis, wherein the eccentric pipe is in threaded connection with the front shaft sleeve, the balancing weight and the driven bearing are installed in the eccentric pipe, the driven shaft is sleeved in an inner ring of the driven bearing, the center of the grinding chassis is fixedly installed at the front end of the driven shaft, and the spring fixing column is installed between the grinding chassis and the front end cover for fixing;
the rear bearing assembly comprises a rear bearing, a rear bearing cover and a rear shaft sleeve, wherein the outer ring of the rear bearing is fixedly arranged at the rear part of the machine body, the inner ring of the rear bearing and the rear shaft sleeve are simultaneously sleeved at the rear part of the shaft core, and the rear bearing cover is arranged at the rear end of the machine body through a screw;
the polishing assembly includes a polishing platen mounted to the rear of a spindle.
2. The composite principal axis for manufacturing a diffractive optical element according to claim 1, characterized in that: the eccentric pipe is sleeved with a front end cover inner sleeve with an airflow groove A on the inner side, an airflow channel A communicated with the airflow groove A is arranged in the front end cover, a rear end cover inner sleeve with an airflow groove B on the inner side is sleeved on the rear portion of the shaft core, an airflow channel B communicated with the airflow groove B is arranged in the rear end cover, an airflow channel E is arranged in the machine body, an airflow channel F is arranged in the bearing seat, the airflow channel A, the airflow channel B, the airflow channel E and the airflow channel F are communicated, and an airflow inlet communicated with the airflow channel E is arranged on the machine body.
3. The composite principal axis for manufacturing a diffractive optical element according to claim 1, characterized in that: the inner side of the front bearing cover is provided with a circle of air flow groove C, the front bearing cover is internally provided with an air flow channel C, one end of the air flow channel C is communicated with the air flow groove C, the other end of the air flow channel C is communicated with the air flow channel E, the inner side of the rear bearing cover is provided with a circle of air flow groove D, and the rear bearing cover is internally provided with an air flow channel D, one end of the air flow channel D is communicated with the air flow groove D, and the other end of the air flow channel D is communicated with the air flow channel F.
4. The composite principal axis for manufacturing a diffractive optical element according to claim 1, characterized in that: the outer sides of the grinding base plate and the polishing base plate are respectively provided with a magic tape, and sand paper for grinding or polishing is arranged in the magic tapes.
5. The composite spindle for manufacturing a diffractive optical element according to claim 1, characterized in that: the central axis of the driven shaft and the central axis of the shaft core are parallel to each other but do not coincide with each other.
6. The composite principal axis for manufacturing a diffractive optical element according to claim 1, characterized in that: the eccentric pipe is composed of a screwed part with internal threads, an eccentric part and an inward flanging, wherein the screwed part is positioned on one side of the eccentric part, the flanging is positioned on the other side of the eccentric part, and the pipe wall of the eccentric part is gradually thickened from one side to the other side.
7. The composite principal axis for manufacturing a diffractive optical element according to claim 1, characterized in that: the counterweight block is a metal ring, the annular wall of the metal ring is gradually thickened from one side to the other side, and one side of the annular wall thickness of the counterweight block is aligned with one side of the wall thickness of the eccentric pipe.
8. The composite spindle for manufacturing a diffractive optical element according to claim 1, characterized in that: the stator is fixed in the machine body through M4 jackscrews.
9. The composite principal axis for manufacturing a diffractive optical element according to claim 1, characterized in that: and the upper part of the machine body is provided with a stator electric energy input port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210579975.9A CN115555993A (en) | 2022-05-26 | 2022-05-26 | Composite spindle for manufacturing diffractive optical element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210579975.9A CN115555993A (en) | 2022-05-26 | 2022-05-26 | Composite spindle for manufacturing diffractive optical element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115555993A true CN115555993A (en) | 2023-01-03 |
Family
ID=84736732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210579975.9A Pending CN115555993A (en) | 2022-05-26 | 2022-05-26 | Composite spindle for manufacturing diffractive optical element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115555993A (en) |
-
2022
- 2022-05-26 CN CN202210579975.9A patent/CN115555993A/en active Pending
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