CN112192943A - Ultrathin small lens center dot-shaped silk-screen clamping jig - Google Patents
Ultrathin small lens center dot-shaped silk-screen clamping jig Download PDFInfo
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- CN112192943A CN112192943A CN202011056709.5A CN202011056709A CN112192943A CN 112192943 A CN112192943 A CN 112192943A CN 202011056709 A CN202011056709 A CN 202011056709A CN 112192943 A CN112192943 A CN 112192943A
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- positioning
- jig
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- lens
- ultrathin
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- 238000007650 screen-printing Methods 0.000 claims abstract description 15
- 238000005516 engineering process Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 241001233242 Lontra Species 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/16—Printing tables
- B41F15/18—Supports for workpieces
- B41F15/20—Supports for workpieces with suction-operated elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/16—Printing tables
- B41F15/18—Supports for workpieces
- B41F15/30—Supports for workpieces for articles with curved surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2200/00—Printing processes
- B41P2200/40—Screen printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2215/00—Screen printing machines
- B41P2215/50—Screen printing machines for particular purposes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Printing Methods (AREA)
Abstract
The invention discloses a central point-shaped silk-screen clamping jig for ultrathin lenslets, which comprises a positioning jig, wherein the positioning jig is of a boss-shaped shell structure, the top of the positioning jig is at least provided with a positioning groove for clamping and positioning lenses, the positioning groove is internally provided with an air suction hole communicated with the inner cavity of the positioning jig, and the end part of the positioning jig is provided with an air valve through hole; the invention provides a center round point type silk-screen clamping jig for ultrathin small lenses, which is characterized in that when the silk-screen clamping jig works, a negative pressure air source is connected through an air valve through hole, vacuum negative pressure is formed in a positioning jig, a thin and light lens is sucked into a positioning groove through an air suction hole in the positioning jig, manual operation is not needed, the phenomenon that the lens falls down when being adsorbed to a finger and is broken under slight pressure is avoided, meanwhile, the positioning jig is used for air suction positioning before silk-screen printing, the central point is adjusted, air suction can be relieved after a screen printing completion screen plate leaves the lens of the lens, the lens is slightly clamped out by tweezers, and the silk-screen clamping jig is convenient to.
Description
Technical Field
The invention relates to the technical field of high-precision lens processing, in particular to a central point-shaped silk-screen clamping jig for ultrathin small lenses.
Background
In the field of high-precision lens processing, silk-screen printing is often required on lenses, however, in the traditional silk-screen printing process, when thin and light lenses are processed, for example, the outer diameter of the processed lenses is 6.2mm, the center thickness is 1.25mm, and the edge thickness is 0.85mm, the lenses are ultrathin and ultralight lenses, the lenses are easily adsorbed on fingers in the processing process and fall off, the lenses can be broken under slight pressure, and the quality of products requires that 2.0mm black dots are silk-screen printed at the centers of the lenses, and broken edges are not allowed;
therefore, the inventor provides a central dot-shaped silk-screen clamping jig for the ultrathin small lenses by integrating various factors.
Disclosure of Invention
The invention aims to provide a central dot-shaped silk-screen clamping jig for ultrathin lenslets, which is used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an ultra-thin little lens center dot form silk screen printing centre gripping tool, includes positioning jig, positioning jig is boss form shell structure, and positioning jig top is provided with a constant head tank that is used for lens centre gripping location at least, is equipped with the suction hole that communicates with the positioning jig inner chamber in the constant head tank, and positioning jig tip is equipped with the pneumatic valve through-hole.
The during operation, connect the negative pressure air pump through the pneumatic valve through-hole, form vacuum negative pressure in the positioning jig, the last suction hole of positioning jig will be thin and light lens inhale the constant head tank in, need not artifical manually operation, avoid adsorbing and cause on the finger to drop, add pressure slightly and will take place the broken condition, simultaneously, before the silk screen printing with the positioning jig location of breathing in, transfer the central point, the silk screen printing is accomplished the otter board and is left the lens rear of lens and can be relieved and breathe in, press from both sides out lens gently with tweezers, be convenient for put into oven high temperature at last and toast.
As a further scheme of the invention: the vertical evenly is provided with a plurality ofly for the constant head tank, realizes a plurality of lens silk screen printing processing simultaneously.
As a further scheme of the invention: treat processing lens external diameter R, the precision of constant head tank is R +0.02mm, satisfies the high accuracy requirement.
As a further scheme of the invention: the suction hole sets up in the constant head tank middle part, and the atress is even simultaneously in the improvement adsorption stability.
As a further scheme of the invention: the air suction holes are round holes, so that air suction stress is uniform.
As a further scheme of the invention: the lens is a thin and light lens and is suitable for the air suction positioning of the thin and light lens;
as a further scheme of the invention: the outer diameter of the lens is 6.2mm, the center thickness is 1.25mm, the edge thickness is 0.85mm, after clamping and positioning, the positioning jig is clamped by a preset fixing clamp and is aligned to the center point together with the silk screen plate, the center point is ensured to be corresponding through twice measurement, the center dot is silk-screened through a film shadow technology, and a 2.0mm black dot is silk-screened at the center of the lens.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention provides a center round point-shaped silk-screen clamping jig for ultrathin small lenses, which is ingenious in structural arrangement and reasonable in arrangement.
2. Furthermore, the air suction holes are formed in the middle of the positioning groove, so that the adsorption stability is improved, and the stress is uniform; the air suction holes are round holes, so that air suction stress is uniform.
3. The invention further discloses a lens to be processed with the outer diameter R, the precision of the positioning groove is R +0.02mm, the high-precision requirement is met, and the positioning groove is particularly suitable for the screen printing processing of the lens with the outer diameter of 6.2mm, the center thickness of 1.25mm and the edge thickness of 0.85mm, after clamping and positioning, the positioning jig is clamped by a preset fixing clamp and is aligned to the center point together with the screen printing screen plate, the center point is ensured to be corresponding through two measurements, the center round point is screen printed through a film shadow technology, and a black round point with the thickness of 2.0mm is screen printed at the center of the lens.
Drawings
Fig. 1 is a schematic structural diagram of a central dot-shaped silk-screen clamping jig for ultrathin lenslets.
In the figure: 1. positioning a jig; 2. positioning a groove; 3. a suction hole; 4. a lens; 5. an air valve through hole.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the center dot-like screen printing clamping fixture for ultrathin small lenses comprises a positioning fixture 1, wherein the positioning fixture 1 is of a boss-shaped shell structure, the top of the positioning fixture 1 is at least provided with a positioning groove 2 for clamping and positioning a lens 4, the positioning groove 2 is internally provided with a suction hole 3 communicated with an inner cavity of the positioning fixture 1, and the end part of the positioning fixture 1 is provided with an air valve through hole 5.
In the embodiment, 6 positioning grooves 2 are vertically and uniformly arranged, so that the simultaneous silk-screen printing processing of a plurality of lenses 4 is realized; in the embodiment, the outer diameter of the lens 4 to be processed is 6.2mm, the center thickness is 1.25mm, the side thickness is 0.85mm, and the precision of the positioning groove 2 is 6.2mm +0.02mm, so that the high-precision requirement is met; the air suction holes 3 are formed in the middle of the positioning groove 2, so that the adsorption stability is improved, and the stress is uniform; the air suction holes 3 are round holes, so that air suction stress is uniform; the lens 4 is a thin and light lens, which is suitable for the suction positioning of the thin and light lens 4.
After clamping and positioning, the positioning jig 1 is clamped by a preset fixing clamp and is aligned to a central point together with a silk screen plate, the central point is ensured to be corresponding through two measurements, a central dot is silk-screened through a film shadow technology, and a black dot with the thickness of 2.0mm is silk-screened at the center of a lens of the lens 4.
The working principle of the invention is as follows: the during operation, connect the negative pressure air pump through pneumatic valve through-hole 5, form vacuum negative pressure in positioning jig 1, suction hole 3 on positioning jig 1 will be thin and light lens 4 inhales in constant head tank 2, need not artifical manually operation, avoid adsorbing and cause dropping on the finger, add the condition emergence that will break slightly, and simultaneously, breathe in the location with positioning jig 1 before the silk screen printing, the central point has been transferred, the silk screen printing is accomplished the otter board and is left lens 4's lens rear and can be relieved and breathe in, press from both sides out lens 4 gently with tweezers, it toasts to be convenient for put into oven high temperature at last.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (8)
1. The utility model provides an ultra-thin little lens (4) center dot form silk screen printing centre gripping tool, includes positioning jig (1), positioning jig (1) are boss form shell structure, and positioning jig (1) top is provided with one at least and is used for constant head tank (2) of lens (4) centre gripping location, is equipped with in constant head tank (2) with air suction hole (3) of positioning jig (1) inner chamber intercommunication, is equipped with air valve through-hole (5) on positioning jig (1).
2. The center dot-like silk-screen clamping jig for the ultrathin lenslets as claimed in claim 1, wherein a plurality of positioning grooves (2) are vertically and uniformly arranged.
3. The central dot-like silk-screen clamping jig for the ultrathin lenslets as claimed in claim 2, wherein the air suction holes (3) are formed in the middle of the positioning grooves (2).
4. The central dot-like silk-screen clamping jig for the ultrathin lenslets as claimed in claim 2, wherein the air suction holes (3) are round holes.
5. The center dot-shaped silk-screen clamping jig for the ultrathin lenslets as claimed in claim 2, wherein the air valve through hole (5) is formed in the end of the positioning jig (1).
6. The silk-screen clamping fixture for central circular points of ultrathin lenslets as claimed in any one of claims 1-5, wherein the lens (4) is a thin and light lens.
7. The center dot-like silk-screen clamping jig for the ultrathin lenslets as claimed in claim 6, wherein the precision of the positioning groove (2) is R +0.02mm when the outer diameter R of the lens (4) to be processed is larger than the outer diameter R of the lens to be processed.
8. The center dot-like silk-screen clamping jig for the ultrathin lenslets as claimed in claim 6, wherein the outer diameter of the lens (4) is 6.2mm, the center thickness is 1.25mm, and the side thickness is 0.85 mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011056709.5A CN112192943A (en) | 2020-09-30 | 2020-09-30 | Ultrathin small lens center dot-shaped silk-screen clamping jig |
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CN202011056709.5A CN112192943A (en) | 2020-09-30 | 2020-09-30 | Ultrathin small lens center dot-shaped silk-screen clamping jig |
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CN112192943A true CN112192943A (en) | 2021-01-08 |
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CN202011056709.5A Pending CN112192943A (en) | 2020-09-30 | 2020-09-30 | Ultrathin small lens center dot-shaped silk-screen clamping jig |
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Citations (8)
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CN203557238U (en) * | 2013-10-08 | 2014-04-23 | 昆山信光泰光电科技有限公司 | CNC (Computerized Numerical Control) quick die change jig |
CN206886210U (en) * | 2017-04-07 | 2018-01-16 | 惠州大唐伟业电子有限公司 | A kind of efficient record sucking apparatus of Glass optical eyeglass |
CN108284665A (en) * | 2017-01-10 | 2018-07-17 | 蓝思科技(长沙)有限公司 | A kind of positioning device and the method using its processing mobile phone camera lens surface |
CN208392850U (en) * | 2018-05-07 | 2019-01-18 | 东莞星晖真空镀膜塑胶制品有限公司 | A kind of screen-printing fixture |
CN208528919U (en) * | 2018-07-04 | 2019-02-22 | 珠海市新威精密机械有限公司 | Special chamfering vacuum inhales jig on a kind of bloom beveler |
CN208867028U (en) * | 2018-08-22 | 2019-05-17 | 江西联益光学有限公司 | Lens orientation component |
CN110978827A (en) * | 2019-12-25 | 2020-04-10 | 程仁 | Silk-screen swinging piece jig and production process for integrating silk-screen by using same |
CN214294981U (en) * | 2020-09-30 | 2021-09-28 | 中山市光大光学仪器有限公司 | Ultrathin small lens center dot-shaped silk-screen clamping jig |
-
2020
- 2020-09-30 CN CN202011056709.5A patent/CN112192943A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203557238U (en) * | 2013-10-08 | 2014-04-23 | 昆山信光泰光电科技有限公司 | CNC (Computerized Numerical Control) quick die change jig |
CN108284665A (en) * | 2017-01-10 | 2018-07-17 | 蓝思科技(长沙)有限公司 | A kind of positioning device and the method using its processing mobile phone camera lens surface |
CN206886210U (en) * | 2017-04-07 | 2018-01-16 | 惠州大唐伟业电子有限公司 | A kind of efficient record sucking apparatus of Glass optical eyeglass |
CN208392850U (en) * | 2018-05-07 | 2019-01-18 | 东莞星晖真空镀膜塑胶制品有限公司 | A kind of screen-printing fixture |
CN208528919U (en) * | 2018-07-04 | 2019-02-22 | 珠海市新威精密机械有限公司 | Special chamfering vacuum inhales jig on a kind of bloom beveler |
CN208867028U (en) * | 2018-08-22 | 2019-05-17 | 江西联益光学有限公司 | Lens orientation component |
CN110978827A (en) * | 2019-12-25 | 2020-04-10 | 程仁 | Silk-screen swinging piece jig and production process for integrating silk-screen by using same |
CN214294981U (en) * | 2020-09-30 | 2021-09-28 | 中山市光大光学仪器有限公司 | Ultrathin small lens center dot-shaped silk-screen clamping jig |
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