CN112936000A - Nonmetal mechanical centering edging piecing devices based on 3D prints - Google Patents
Nonmetal mechanical centering edging piecing devices based on 3D prints Download PDFInfo
- Publication number
- CN112936000A CN112936000A CN202110378024.0A CN202110378024A CN112936000A CN 112936000 A CN112936000 A CN 112936000A CN 202110378024 A CN202110378024 A CN 202110378024A CN 112936000 A CN112936000 A CN 112936000A
- Authority
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- China
- Prior art keywords
- joint device
- edging
- printing
- mechanical centering
- joint
- 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.)
- Pending
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- 238000007688 edging Methods 0.000 title claims abstract description 54
- 229910052755 nonmetal Inorganic materials 0.000 title claims abstract description 15
- 238000010146 3D printing Methods 0.000 claims abstract description 32
- 230000003287 optical effect Effects 0.000 claims abstract description 32
- 238000012545 processing Methods 0.000 claims abstract description 15
- 239000011347 resin Substances 0.000 claims description 12
- 229920005989 resin Polymers 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000000016 photochemical curing Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims 1
- 238000010079 rubber tapping Methods 0.000 claims 1
- 238000005482 strain hardening Methods 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 7
- 239000002184 metal Substances 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 239000007769 metal material Substances 0.000 abstract description 4
- 238000003754 machining Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Images
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
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
-
- 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
-
- 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
Abstract
The invention discloses a non-metal mechanical centering edging joint device based on 3D printing, which is characterized in that the joint device is a reducing cylinder, a small-diameter end is a threaded end, a large-diameter end is a clamping end, a threaded hole is formed in the center of the small-diameter end, a groove is formed in the center of the large-diameter end, the groove is coaxially communicated with the threaded hole, and an inward-inclined 45-degree chamfer is arranged at an opening of the groove. Compared with the existing joint device made of metal materials, the joint device has more remarkable processing effect, solves the problem that the surface smoothness of the mechanical centering edging of the optical part does not reach the standard, and meets the use requirement; can carry out individualized customization to the edging of the lens part of different bores and special parts such as pyramid prism, circular prism part, make a pair of piecing devices only with the time 2 ~ 3 hours, shortened processing cycle, compare in traditional metal edging joint, the edging joint preparation speed that 3D printed is fast, with low costs, convenient operation.
Description
Technical Field
The invention belongs to the technical field of process devices, and relates to a process tool for clamping an optical part during mechanical centering and edging of the optical part in a cold machining process of the optical part, in particular to a non-metal mechanical centering and edging joint device based on 3D printing.
Background
The lens is one of the most common optical parts in an optical system, and centering and edging are important processes for eliminating or reducing the central deviation of the lens after the lens is polished. The surface smoothness of the lens part after polishing reaches the use requirement of the part, and then centering and edging are carried out, the surface smoothness of the part after edging can directly influence the final index of the part, so the surface smoothness of the part needs to be protected in the centering and edging process.
When mechanical centering edging is adopted, the common connector is made of brass H50 and H60, the part is clamped by the copper connector in a stressed clamping mode, and therefore the surface smoothness of the part is easily damaged by the metal connector, the processing quality of the part is affected, and the defective rate of the processed part is increased. Meanwhile, the range of the caliber of the part is large, specific joints need to be manufactured for parts with different calibers, and the copper joint has the defects of high manufacturing cost, long processing period and the like.
Disclosure of Invention
Objects of the invention
The purpose of the invention is: the 3D printing connector device is convenient to manufacture, short in machining period and capable of protecting the surface finish of a part in the mechanical centering edging and clamping process, and the device can perform 3D printing machining according to parts with different calibers so as to solve the problems that the connector is inconvenient to manufacture and the surface finish of the part does not reach the standard in the mechanical centering edging and machining process.
(II) technical scheme
In order to solve the technical problem, the invention provides a non-metal mechanical centering edging joint device based on 3D printing, which is a reducing cylinder, wherein the small-diameter end is a threaded end, the large-diameter end is a clamping end, a threaded hole is formed in the center of the small-diameter end, a groove is formed in the center of the large-diameter end, the groove is coaxially communicated with the threaded hole, and an opening of the groove is provided with a 45-degree chamfer which is inclined inwards.
Wherein, the joint device is made of photosensitive resin material.
The caliber of the groove is smaller than the caliber of the optical part to be edged according to the caliber of the optical part to be edged, so that the edging of the optical part to be edged is not influenced.
And the joint device is manufactured by 3D printing through an SLA three-dimensional photocuring molding 3D printer.
When the joint device is used for mechanical centering edging, two joint devices are used, the optical part 5 to be edged is clamped through the left joint device 1 and the right joint device 4, and the left joint of the left joint device 1 is in contact clamping with the optical part 5 to be edged through the 45-degree chamfer 2 and the 45-degree chamfer 3 of the right joint device 4.
When the joint device is manufactured by 3D printing through an SLA three-dimensional photocuring molding 3D printer, determining a corresponding joint device structure in a three-dimensional modeling mode according to a thread structure at the clamping position of the joint device of the mechanical centering edging machine; and converting the joint device model designed by three-dimensional modeling into an STL format file, and slicing the STL format file and then carrying out SLA three-dimensional photocuring molding 3D printing and manufacturing.
The processing box of the SLA three-dimensional photocuring molding 3D printer contains liquid photosensitive resin 10 as a manufacturing material of the joint device.
The laser 6 of the SLA three-dimensional photocuring molding 3D printer is arranged right above the 3D printing part 7, and the laser 6 is an ultraviolet laser light source with the wavelength of 355 nm-405 nm.
Wherein a squeegee 8 is disposed on a liquid level surface of the liquid photosensitive resin 10.
(III) advantageous effects
Compared with the existing metal material joint device, the nonmetal mechanical centering edging joint device based on 3D printing has more remarkable processing effect, solves the problem that the surface smoothness of mechanical centering edging of optical parts does not reach the standard, and meets the use requirement; can carry out individualized customization to the edging of the lens part of different bores and special parts such as pyramid prism, circular prism part, make a pair of piecing devices only with the time 2 ~ 3 hours, shortened processing cycle, compare in traditional metal edging joint, the edging joint preparation speed that 3D printed is fast, with low costs, convenient operation.
Drawings
FIG. 1 is a schematic view of the clamping structure of the joint device of the present invention;
as shown in FIG. 1: 1. the method comprises the following steps of (1) carrying out edge grinding on an optical part to be ground, wherein the edge grinding step comprises the following steps of (1) carrying out left joint device, (2) carrying out 45-degree chamfering on a left joint, (3) carrying out 45-degree chamfering on a right joint, (4) carrying out right joint device, and (5) carrying out edge grinding on;
FIG. 2 is a schematic diagram of SLA stereolithography 3D printing according to the present invention;
as shown in fig. 2: 6. a laser; 7.3D printing the part; 8. a squeegee; 9. lifting the forming platform; 10. a liquid photosensitive resin.
Detailed Description
In order to make the objects, contents and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
This embodiment is based on non-metal machinery centering edging piecing devices that 3D printed and is the reducing cylinder, and the minor diameter end is the thread end, and the major diameter end is the exposed core, and minor diameter holds the central screw hole of opening, major diameter end center fluting, and recess and the coaxial intercommunication of screw hole, 45 chamfers of leanin are established to the opening part of recess.
Wherein, the connector device is made of photosensitive resin material; the caliber of the groove is set according to the caliber of the optical part to be edged and is smaller than the caliber of the optical part to be edged so as not to influence the edging of the optical part to be edged.
Referring to fig. 1, when the joint device of this embodiment is used for mechanical centering edging, an optical part 5 to be edged is clamped by a left joint device 1 and a right joint device 4, and a left joint 45 ° chamfer 2 of the left joint device 1 and a right joint 45 ° chamfer 3 of the right joint device 4 are in contact clamping with the optical part 5 to be edged.
The joint device is manufactured by a SLA three-dimensional photocuring forming 3D printer through 3D printing, and the manufacturing requirements are as follows:
(1) designing a corresponding joint device according to a threaded structure at the clamping position of the joint device of the mechanical centering edge grinding machine, and designing joint structure models with different calibers by using three-dimensional modeling software according to the calibers of different optical parts required during edge grinding;
(2) the joint device model designed by the three-dimensional modeling software is converted into an STL format file, and SLA three-dimensional photocuring molding 3D printing manufacturing is carried out after slicing, and the joint device manufactured by the SLA 3D printing technology has good mechanical property and very smooth surface, and can effectively protect the surface smoothness of optical part clamping. After the machining is finished, the mechanical centering edging machine is mounted, the coincidence precision of the geometric axis of the joint device and the main shaft of the machine tool can reach 0.001mm and is higher than the centering precision by testing the coincidence precision in a rotating and surface-beating mode, and the end face of the joint meets the machining precision of the mechanical centering edging joint on the optical part;
(3) the connector device is made of a photosensitive resin material which is a non-metal material, and when the connector is used for clamping an optical part under stress, the surface of the part can be protected in a nondestructive mode. After 300 optical parts are subjected to mechanical centering edging, the qualification rate of surface defects is improved to more than 90% from the previous 20%, the processing effect is more obvious compared with the existing joint device made of metal materials, the problem that the surface smoothness of the mechanical centering edging of the optical parts does not reach the standard is solved, and the use requirement is met;
(4) the traditional metal joint device needs complicated processing flow in the preparation, the characteristics that the device quantity is less but a great variety exist in the face of, there is the preparation time long, the problem of processing cost is high, the processing cycle of 3 ~ 5 days may be required in processing a pair of joint, adopt SLA 3D printing technology preparation edging joint device, can carry out individualized customization to the edging of the lens part of different bores and special parts such as pyramid prism, circular prism part, make a pair of joint device only with time 2 ~ 3 hours, processing cycle has been shortened, compare in traditional metal edging joint, the edging joint preparation speed that 3D printed is fast, with low costs, convenient operation.
Referring to fig. 2, when the SLA 3D printing is adopted to manufacture the 3D printing-based nonmetal mechanical centering edging joint device, liquid photosensitive resin 10 is contained in a processing box, a 3D printing part 7 is arranged on a lifting forming platform 9, a laser 6 is arranged right above the 3D printing part 7, and a scraper 8 is arranged on the liquid level surface of the liquid photosensitive resin 10; the laser 6 is an ultraviolet laser light source with the wavelength of 355 nm-405 nm; the joint device is made of liquid photosensitive resin; and manufacturing a joint device model with a specified caliber.
The example was carried out as follows: designing an edging connector device model by using three-dimensional modeling software according to the caliber of the optical part to be processed and the connector clamping thread pattern of the mechanical centering edging machine; inputting the three-dimensional data of the joint device into SLA 3D printing software, adjusting corresponding parameters, and performing printing preparation; during the use, install respectively clamping on mechanical centering edging machine main shaft with non-metal left and right piecing devices after 3D prints earlier, test the coincidence precision of piecing devices geometric axis and lathe main shaft through the mode of rotating to beat the table and can reach 0.001mm, will wait to process the optical part again and paste and put at left piecing devices, remove right piecing devices and press from both sides the part tightly, carry out mechanical centering edging at last and process.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a non-metal machinery centering edging piecing devices based on 3D prints, a serial communication port, piecing devices is the reducing cylinder, and the minor diameter end is the thread end, and the major diameter end is the exposed core, minor diameter end center tapping hole, major diameter end center fluting, and recess and the coaxial intercommunication of screw hole, 45 chamfers of leanin are established to the opening part of recess.
2. 3D printing-based non-metallic mechanical centering edging joint device according to claim 1, characterized in that said joint device is made of photosensitive resin material.
3. 3D printing-based non-metal mechanical centering edging joint device according to claim 2, wherein the caliber of the groove is set according to the caliber of the optical part to be edged and is smaller than the caliber of the optical part to be edged, so as not to affect the edging of the optical part to be edged.
4. 3D printing-based non-metal mechanical centering edging joint device, according to claim 3, characterized in that the joint device is manufactured by 3D printing with an SLA stereoscopic photocuring molding 3D printer.
5. Non-metallic mechanical centering edging joint device based on 3D printing according to claim 4, characterized in that when said joint device is used for mechanical centering edging, two joint devices are used, the optical part (5) to be edged is clamped by the left joint device (1) and the right joint device (4), the left joint 45 ° chamfer (2) of the left joint device (1) and the right joint 45 ° chamfer (3) of the right joint device (4) are contact clamped to the optical part (5) to be edged.
6. The non-metal mechanical centering edging joint device based on 3D printing according to claim 4, wherein when the joint device is manufactured by 3D printing through an SLA three-dimensional photocuring molding 3D printer, a corresponding joint device structure is determined by a three-dimensional modeling mode according to a thread structure at a clamping position of the joint device of the mechanical centering edging machine; and converting the joint device model designed by three-dimensional modeling into an STL format file, and slicing the STL format file and then carrying out SLA three-dimensional photocuring molding 3D printing and manufacturing.
7. Non-metallic mechanical centering edging joint device based on 3D printing according to claim 6, characterized in that the processing tank of the SLA stereolithography 3D printer contains a liquid photosensitive resin (10) as a material for making the joint device.
8. 3D printing-based non-metal mechanical centering edging joint device, according to claim 7, characterized in that the laser (6) of the SLA stereoscopic stereolithography 3D printer is arranged right above the 3D printed part (7), and the laser (6) is an ultraviolet laser light source with the wavelength of 355 nm-405 nm.
9. Non-metallic mechanical centering edging joint device based on 3D printing according to claim 8, characterized in that a scraper (8) is arranged on the level surface of said liquid photosensitive resin (10).
10. Use of a non-metallic mechanical centered edging joint device based on 3D printing according to any one of claims 1 to 9 in the technical field of cold working processes of optical parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110378024.0A CN112936000A (en) | 2021-04-08 | 2021-04-08 | Nonmetal mechanical centering edging piecing devices based on 3D prints |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110378024.0A CN112936000A (en) | 2021-04-08 | 2021-04-08 | Nonmetal mechanical centering edging piecing devices based on 3D prints |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112936000A true CN112936000A (en) | 2021-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110378024.0A Pending CN112936000A (en) | 2021-04-08 | 2021-04-08 | Nonmetal mechanical centering edging piecing devices based on 3D prints |
Country Status (1)
| Country | Link |
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| CN (1) | CN112936000A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4089102A (en) * | 1975-10-23 | 1978-05-16 | Autoflow Engineering Limited | Method of forming and using a lens holder |
| JP2001198785A (en) * | 2000-01-13 | 2001-07-24 | Canon Inc | Clamp method of centering lens and method of centering and edging lens by using this method |
| JP2003053646A (en) * | 2001-08-20 | 2003-02-26 | Hoya Corp | Lens holder |
| CN105163903A (en) * | 2013-06-10 | 2015-12-16 | Hoya株式会社 | Centering device and centering method |
| CN106363467A (en) * | 2016-11-14 | 2017-02-01 | 天津津航技术物理研究所 | Locating tool and method for precision processing of optical lens |
| CN109501304A (en) * | 2018-12-13 | 2019-03-22 | 湖北道达智能装备有限公司 | A kind of weld car snap-gauge of photocuring 3D printing manufacture |
-
2021
- 2021-04-08 CN CN202110378024.0A patent/CN112936000A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4089102A (en) * | 1975-10-23 | 1978-05-16 | Autoflow Engineering Limited | Method of forming and using a lens holder |
| JP2001198785A (en) * | 2000-01-13 | 2001-07-24 | Canon Inc | Clamp method of centering lens and method of centering and edging lens by using this method |
| JP2003053646A (en) * | 2001-08-20 | 2003-02-26 | Hoya Corp | Lens holder |
| CN105163903A (en) * | 2013-06-10 | 2015-12-16 | Hoya株式会社 | Centering device and centering method |
| CN106363467A (en) * | 2016-11-14 | 2017-02-01 | 天津津航技术物理研究所 | Locating tool and method for precision processing of optical lens |
| CN109501304A (en) * | 2018-12-13 | 2019-03-22 | 湖北道达智能装备有限公司 | A kind of weld car snap-gauge of photocuring 3D printing manufacture |
Non-Patent Citations (1)
| Title |
|---|
| 李晓华等: "《计算机信息技术应用实践》", 30 June 2020, 延边大学出版社 * |
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Application publication date: 20210611 |
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| RJ01 | Rejection of invention patent application after publication |