CN110560666A - Device for fixing lens - Google Patents
Device for fixing lens Download PDFInfo
- Publication number
- CN110560666A CN110560666A CN201911019885.9A CN201911019885A CN110560666A CN 110560666 A CN110560666 A CN 110560666A CN 201911019885 A CN201911019885 A CN 201911019885A CN 110560666 A CN110560666 A CN 110560666A
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- CN
- China
- Prior art keywords
- lens
- cavity
- alloy
- upper disc
- heating device
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/04—Casting in, on, or around objects which form part of the product for joining parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D45/00—Equipment for casting, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The application relates to a device for fixing a lens, which comprises a pressurization air pump, a sealing and heating device for heating alloy and an upper disc ring for pasting the lens, wherein a cavity is formed between the upper disc ring and the pasted lens, the pressurization air pump is connected with the sealing and heating device, the sealing and heating device is communicated with the cavity through an injection type closed pipeline, and the injection type closed pipeline is provided with a valve; the invention solves the problem that the liquid alloy generates honeycomb gaps due to expansion with heat and contraction with cold in the process of lens hanging, and the problem that the lens and the alloy fixing surface deform in the process of expansion with heat and contraction with cold due to the liquid alloy is solved by additionally arranging the pressurizing air pump and filling the generated honeycomb gaps with the liquid alloy with pressure in real time, so that the rejection rate of high-precision lens processing is effectively reduced, the manufacturing cost is saved, the compactness of the lens and the alloy is improved, and the processing precision of the subsequent processing links of the lens after hanging is increased.
Description
Technical Field
The invention relates to the technical field of lens processing, in particular to a device for fixing a lens.
Background
in the related technology, when the upper disc of the glasses is carried out, the lenses are firstly pasted on an upper disc ring installed on an upper disc machine, then liquid alloy (usually tin) flows in from the top end of the upper disc ring, the liquid alloy is stacked from bottom to top until a cavity between the upper disc ring and the lenses is filled, the lenses and the alloy are pasted and fixed together after the liquid alloy is solidified, and the processed lenses and the alloy undergo the subsequent lens processing technology.
Because the traditional method for fixing the lens is to flow liquid alloy from the top end of the upper disc ring, the liquid alloy is gradually stacked from bottom to top until the cavity is filled, the liquid alloy is cooled from bottom to top, the lens cannot be completely attached to the solidified alloy, and the phenomenon can cause processing errors such as lens top focal power error and optical center offset when the lens is subsequently processed. When solving the problem of lens and the alloy laminating that solidifies among the prior art, the utility model patent of the grant bulletin number CN206425934U discloses a lens hanging wall device, a technical scheme who solves above-mentioned problem is provided, put into the spacer's of lens locating hole, and press the lens, bleeder vent on the base member is T type through-hole, can extrude unnecessary binder in the bleeder vent through pressing, make lens and base member fully laminate, there is not the clearance between setting up of bleeder vent makes lens and the base member, the lens is fixed more firm, can laminate completely between lens and the base member, the poor precision of effective edge thickness. However, the technical solution still cannot solve the above-mentioned problems caused by the expansion and contraction of the liquid alloy.
disclosure of Invention
In view of the above problems, the present invention is directed to a device for fixing a lens.
The purpose of the invention is realized by adopting the following technical scheme:
The invention provides a device for fixing a lens, which comprises a pressurizing air pump, a sealing heating device for heating alloy and an upper disc ring for pasting the lens, wherein a cavity is formed between the upper disc ring and the pasted lens, the pressurizing air pump is connected with the sealing heating device, the sealing heating device is communicated with the cavity through an injection type closed pipeline, and the injection type closed pipeline is provided with a valve.
Further, an installation cavity which is matched with the upper disc ring in size is arranged on the table top of the upper disc workbench.
further, the injection type closed pipeline is communicated with an injection hole at one end of the cavity and is aligned to the center of the cavity.
Further, the upper disc worktable comprises a cooling device which is arranged around the mounting cavity.
In another aspect, the present invention provides a method for fixing a lens, the method comprising the steps of:
adhering a lens to an upper disc ring, and forming a cavity between the lens and the upper disc ring after adhering;
Heating the alloy in the sealed heating device, wherein a valve on an injection type closed pipeline between the sealed heating device and the cavity is in a closed state; after the alloy is heated to be in a liquid state, starting a pressurizing air pump to pressurize the alloy;
And opening the valve to drive the liquid alloy to be injected into the cavity through the injection type closed pipeline until the cavity is filled with the liquid alloy.
Further, after the cavity is filled with the liquid alloy, the method further comprises:
Controlling the cooling device to start to operate through the upper disc worktable until the liquid alloy in the cavity is cooled to a solidification state, and closing a valve; the lens and the alloy are stuck and fixed together, and the lens and the alloy are separated from the upper disc ring.
The invention has the beneficial effects that:
The invention solves the problem that the liquid alloy generates honeycomb gaps due to expansion with heat and contraction with cold in the process of lens hanging, and the problem that the lens and the alloy fixing surface deform in the process of expansion with heat and contraction with cold due to the liquid alloy is solved by additionally arranging the pressurizing air pump and filling the generated honeycomb gaps with the liquid alloy with pressure in real time, so that the rejection rate of high-precision lens processing is effectively reduced, the manufacturing cost is saved, the compactness of the lens and the alloy is improved, and the processing precision of the subsequent processing links of the lens after hanging is increased.
drawings
the invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.
Fig. 1 is a schematic structural view of a lens fixing device according to an exemplary embodiment of the present invention (the upper plate table is a sectional view).
Fig. 2 is a schematic view of a method of securing a lens according to an exemplary embodiment of the invention.
reference numerals: 1-a pressurized air pump; 2-sealing the pipeline; 3-sealing the heating device; 4-injecting closed pipeline; 5-a cooling device; 6-a lens; 7-a cavity; 8-exhaust hole; 9-upper disc ring; 10-upper disc worktable; 11-valve.
Detailed Description
The invention is further described with reference to the following examples.
Referring to fig. 1, the device for fixing a lens of this embodiment includes a pressurized air pump 1, a sealing and heating device 3 for heating an alloy, and an upper disc ring 9 for adhering a lens 6, where a cavity 7 is formed between the upper disc ring 9 and the adhered lens 6, the pressurized air pump 1 is connected to the sealing and heating device 3, the sealing and heating device 3 is communicated with the cavity 7 through an injection type closed pipeline 4, and the injection type closed pipeline 4 is provided with a valve 11.
The lens fixing device of the embodiment of the invention has simple and practical structure, can effectively solve the problem that the liquid alloy of the lens 6 has cellular deformation due to expansion with heat and contraction with cold in the coiling process by arranging the pressurizing air pump 1, and can prevent the lens 6 and the alloy fixing surface from irregular deformation, thereby avoiding processing errors such as lens vertex power error, optical center offset and the like. In another preferred embodiment, the area of the contact surface of the cavity with the lens is 70-100% of the area of the lens.
further, the table surface of the upper disc worktable 10 is provided with a mounting cavity which is attached to the upper disc ring 9 in size. In one embodiment, the upper disc ring 9 is fixed horizontally across the mounting cavity so that the contact surface area of the cavity and the lens is 100%.
Further, the injection hole at one end of the injection type closed pipeline 4 communicated with the cavity 7 may not be aligned with the center of the cavity 7, as long as the liquid alloy can be filled in real time by the pressurized liquid alloy when a honeycomb-shaped gap is formed, so that the lens 6 and the upper disc ring 9 can be tightly attached.
most preferably, the injection hole of the injection type closed pipeline 4 communicated with one end of the cavity 7 is aligned with the center of the cavity 7.
Further, the upper plate table 10 includes a cooling device 5, and the cooling device 5 is disposed around the mounting cavity.
In one embodiment, after the cavity is filled with the liquid alloy, the cooling device 5 starts to operate until the liquid alloy in the cavity 7 is cooled to a solidified state.
Most preferably, the upper disc ring 9 is horizontally fixed in the mounting cavity, and the liquid alloy is injected from the center of the cavity 7, so that the liquid alloy can diffuse from the center to the periphery of the cavity 7, the subsequent cooling sequence of the liquid alloy can cool from the periphery to the center, this also enables the previously cooled liquid alloy to be filled, when cellular voids are present, with the liquid alloy of the inner layer just injected into the cavity 7, thereby effectively reduced because of liquid alloy expend with heat and contract with cold the fixed surface deformation degree of lens 6 that causes has improved the tight degree of lens 6 fixed surface, liquid alloy with go up the dish ring 9, increased the machining precision of hanging wall subsequent processing link, realized lens 6 with the zonulae occludens of liquid alloy.
Referring to fig. 2, an embodiment of the present invention further provides a method for fixing a lens, including the following steps:
S1, adhering a lens 6 to an upper disc ring 9, and forming a cavity 7 between the lens 6 and the upper disc ring 9 after adhering.
S2, heating the alloy in the sealing and heating device 3, wherein the valve 11 on the injection type closed pipeline 4 between the sealing and heating device 3 and the cavity 7 is in a closed state;
S3, after the alloy is heated to a liquid state, the pressurizing air pump 1 is started to pressurize the liquid alloy. In one embodiment, the temperature of the sealing and heating device 3 is controlled within 50-52 ℃, and the pressure of the liquid alloy pressurized by the pressurization gas pump 1 is controlled at 1.5 atm.
S4, opening the valve 11 to drive the liquid alloy to be injected into the cavity 7 through the injection type closed pipeline 4 until the cavity is filled with the liquid alloy. In one embodiment, the heating and pressurizing conditions of the liquid alloy in the sealing and heating device 3 are observed through a gauge panel on the upper disc worktable 10, when the temperature and the pressure meet the requirements, the valve 11 is opened, the liquid alloy is filled into the cavity 7 under pressure, and the liquid alloy is observed to fill the cavity 7 through a lens 6 by naked eyes.
Further, after the cavity is filled with the liquid alloy, the method further comprises:
controlling the cooling device 5 to start to operate through the upper disc worktable 10 until the liquid alloy in the cavity 7 is cooled to a solidification state, and closing a valve; the lens 6 and the alloy are stuck and fixed together, and the lens 6 and the alloy are separated from the upper disc ring 9.
In one embodiment, after the cavity 7 is filled with the liquid alloy, the cooling device 5 is started, the cooling temperature of the cooling device 5 is controlled to be 6-8 ℃, the cooling time is controlled to be 1-2 hours, the room temperature of the cooled alloy is controlled to be 21-23 ℃, and after the alloy is cooled to the room temperature, the lens is subjected to a later processing procedure.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. The utility model provides a device of fixed lens, characterized by, the device include pressurization air pump, be used for heating alloy's sealed heating device and be used for pasting the hanging wall ring of lens, form the cavity between hanging wall ring and the lens of pasting, the pressurization air pump with sealed heating device links to each other, sealed heating device passes through injection type closed conduit intercommunication the cavity, injection type closed conduit sets up the valve.
2. The lens fixing device of claim 1, wherein the top plate worktable is provided with a mounting cavity which is matched with the top plate ring in size.
3. The lens fixing device of claim 1, wherein the injection-type closed conduit is provided with an injection hole at one end of the cavity and aligned with the center of the cavity.
4. The lens retaining apparatus of claim 2, wherein the upper plate table includes a cooling device disposed about the mounting cavity.
5. A method of securing a lens, comprising the steps of:
Adhering a lens to an upper disc ring, and forming a cavity between the lens and the upper disc ring after adhering;
Heating the alloy in the sealed heating device, wherein a valve on an injection type closed pipeline between the sealed heating device and the cavity is in a closed state; after the alloy is heated to be in a liquid state, starting a pressurizing air pump to pressurize the alloy;
And opening the valve to drive the liquid alloy to be injected into the cavity through the injection type closed pipeline.
6. The method of claim 5, wherein after filling the cavity with the liquid alloy, the method further comprises:
Controlling the cooling device to start to operate through the upper disc worktable until the liquid alloy in the cavity is cooled to a solidification state, and closing a valve; the lens and the alloy are stuck and fixed together, and the lens and the alloy are separated from the upper disc ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911019885.9A CN110560666A (en) | 2019-10-24 | 2019-10-24 | Device for fixing lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911019885.9A CN110560666A (en) | 2019-10-24 | 2019-10-24 | Device for fixing lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110560666A true CN110560666A (en) | 2019-12-13 |
Family
ID=68785912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911019885.9A Pending CN110560666A (en) | 2019-10-24 | 2019-10-24 | Device for fixing lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110560666A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2116330A1 (en) * | 2008-05-06 | 2009-11-11 | Schneider GmbH + Co. KG | Block station for blocking spectacle glass blanks on a block piece |
| CN201501830U (en) * | 2008-11-26 | 2010-06-09 | 苏州欧菲光科技有限公司 | Blocking fixture for lens cutting |
| CN103673606A (en) * | 2013-11-30 | 2014-03-26 | 临海市劳尔机械有限公司 | Full-automatic loading furnace |
| CN204262928U (en) * | 2014-11-17 | 2015-04-15 | 浙江海洋学院 | One can ensure that eyeglass or mould are fixed and go up dish machine accurately |
| CN206425934U (en) * | 2017-01-18 | 2017-08-22 | 珠海市凌智测控技术有限公司 | Lens gripper automatic plate feeding machine |
| CN207344383U (en) * | 2017-10-20 | 2018-05-11 | 贰陆光学（苏州）有限公司 | A kind of eyeglass loading device |
| CN109648061A (en) * | 2019-01-08 | 2019-04-19 | 哈尔滨工业大学 | Type liquid forging forming device and manufacturing process are quickly filled in a kind of air pressure |
-
2019
- 2019-10-24 CN CN201911019885.9A patent/CN110560666A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2116330A1 (en) * | 2008-05-06 | 2009-11-11 | Schneider GmbH + Co. KG | Block station for blocking spectacle glass blanks on a block piece |
| CN201501830U (en) * | 2008-11-26 | 2010-06-09 | 苏州欧菲光科技有限公司 | Blocking fixture for lens cutting |
| CN103673606A (en) * | 2013-11-30 | 2014-03-26 | 临海市劳尔机械有限公司 | Full-automatic loading furnace |
| CN204262928U (en) * | 2014-11-17 | 2015-04-15 | 浙江海洋学院 | One can ensure that eyeglass or mould are fixed and go up dish machine accurately |
| CN206425934U (en) * | 2017-01-18 | 2017-08-22 | 珠海市凌智测控技术有限公司 | Lens gripper automatic plate feeding machine |
| CN207344383U (en) * | 2017-10-20 | 2018-05-11 | 贰陆光学（苏州）有限公司 | A kind of eyeglass loading device |
| CN109648061A (en) * | 2019-01-08 | 2019-04-19 | 哈尔滨工业大学 | Type liquid forging forming device and manufacturing process are quickly filled in a kind of air pressure |
Non-Patent Citations (1)
| Title |
|---|
| 付平等: "《工程训练基础》", 31 December 2016, 西安电子科技大学出版社 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191213 |