CN216542441U - Novel clamping frock of high-efficient processing of nearly hemisphere lens - Google Patents
Novel clamping frock of high-efficient processing of nearly hemisphere lens Download PDFInfo
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- CN216542441U CN216542441U CN202122858423.5U CN202122858423U CN216542441U CN 216542441 U CN216542441 U CN 216542441U CN 202122858423 U CN202122858423 U CN 202122858423U CN 216542441 U CN216542441 U CN 216542441U
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- hemispherical lens
- polyurethane
- lens
- novel clamping
- hemispherical
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The utility model discloses a novel clamping tool for efficiently processing a near-hemispherical lens, which comprises a metal base, a glass piece, a first polyurethane sheet and a grinding wheel, wherein the glass piece is in a near-hemispherical shape, the first polyurethane sheet is fixedly connected to the top of the glass piece, the near-hemispherical lens is sleeved on the top surface of the first polyurethane sheet and is fixedly connected with the glass piece or the metal base, the bottom of the grinding wheel is abutted against the outer spherical surface of the near-hemispherical lens, and circular motion is performed on the outer spherical surface of the near-hemispherical lens to perform high-speed milling and grinding on the outer spherical surface of the near-hemispherical lens; compared with the existing mechanical clamping, the novel clamping tool is low in cost and simple to process, and makes up the problem that numerical control equipment cannot process a short plate of a near-hemispherical lens; the processing efficiency of the near-hemispherical lens is maximized by matching with classical polishing, so that the method has good economical efficiency and popularization.
Description
Technical Field
The utility model relates to the field of machining equipment for a near-hemispherical lens, in particular to a novel clamping tool for efficiently machining the near-hemispherical lens.
Background
In recent years, most of lens processing in optical cold processing adopts high-efficiency polishing, but the method has high efficiency, but can not realize the processing of a near-hemispherical lens, can only be applied to the batch processing of optical lenses with low surface type precision in general lenses at present, and is generally used in private enterprises. The near-hemispherical lens basically adopts classical polishing with higher precision requirement, and although the precision can be met, the requirement of batch production cannot be realized, so that only low efficiency and high cost are brought. The method is mainly applied to small-batch processing of optical lenses with high and medium surface precision and is widely used in research institutes.
The batch processing of the near-hemispherical lens is a subject of optical cold processing research. Due to the structural particularity of the part, the prior art cannot realize batch processing of the part. The classical processing can only meet the requirements of small-batch processing of scientific research trial production, and once the scientific research products are shaped and need to be produced in batches, great resistance can be generated. In order to solve the problem, a numerical control efficient method is adopted, and the method can make up for the defects of processing of common high-speed equipment and realize batch processing; namely, a numerical control high-efficiency novel optical cold processing method is used for processing the near-hemispherical lens with higher technical index requirement.
Disclosure of Invention
The utility model aims to provide a novel clamping tool for efficiently processing a near-hemispherical lens.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a novel clamping frock includes metal base, glass spare, first polyurethane piece and emery wheel, glass spare is nearly hemispherical, first polyurethane piece fixed connection is at the top of glass spare, nearly hemisphere lens cover establish at first polyurethane piece top surface and with glass spare or metal base fixed connection, emery wheel bottom and nearly hemisphere lens ectosphere butt, and be circular motion on nearly hemisphere lens's ectosphere and carry out high-speed milling and grinding to nearly hemisphere lens' ectosphere.
Furthermore, the first polyurethane sheets are provided with a plurality of strips which are all annularly arranged, the first polyurethane sheets are sequentially sleeved on the outer spherical surface of the glass piece, and the horizontal planes where the adjacent first polyurethane sheets are located are parallel to each other.
Furthermore, a notch is arranged on the first polyurethane sheet.
Furthermore, a first through hole is formed in the center of the glass piece.
Furthermore, a second through hole is formed in the center of the metal base, and the second through hole and the first through hole correspond to each other and are consistent in diameter.
Furthermore, the bottom of the glass piece is integrally formed with a connecting part, and the edge of the connecting part and the upper edge of the metal base are positioned on the same vertical horizontal plane.
A novel near-hemispherical lens efficient processing method comprises the following steps:
s1: mounting a polyurethane sheet attached to the inner spherical surface of the near-hemispherical lens on a glass piece for bearing the near-hemispherical lens, and then mounting the near-hemispherical lens on the upper surface of the polyurethane sheet and fixing the near-hemispherical lens with the glass piece;
s2: carrying out numerical control milling on the outer spherical surface of the nearly hemispherical lens by using a grinding wheel;
s3: fixedly connecting the polished near-hemispherical lens to the top of a polytetrafluoroethylene sleeve seat, and installing a polyurethane sheet at the bottom of a polishing die to carry out high-speed numerical control polishing on the outer spherical surface of the near-hemispherical lens;
s4: fixing the high-speed numerical control polished near-hemispherical lens on a classical polishing base, and filling fire paint between the inner spherical surface of the near-hemispherical lens and the top surface of the classical polishing base;
s5: arranging a asphalt layer at the bottom of the classical polishing die, wrapping the asphalt layer on the outer spherical surface of the near-hemispherical lens, and correcting the outer spherical surface of the near-hemispherical lens through the rotation of the classical polishing die;
s6: and cleaning the corrected near-hemispherical lens.
Further, in the step 2, the precision of the numerical control milling of the near-hemispherical lens is within 3 μm of the whole plane vector height difference.
Further, in step S3, the precision of the high-speed numerical control polishing of the near-hemispherical lens is N =3, and Δ N = 0.3.
The machining equipment comprises a novel clamping tool, a numerical control polishing device and a classical polishing device, wherein the near-hemispherical lens is sequentially machined on the novel clamping tool, the numerical control polishing device and the classical polishing device.
Further, numerical control burnishing device is including high polishing base, polytetrafluoroethylene cover seat, polishing mould, polytetrafluoroethylene cover seat fixed connection is at polishing base top surface, and the nearly hemisphere lens joint after the milling is at polytetrafluoroethylene cover seat top, polishing mould bottom fixedly connected with second polyurethane piece, second polyurethane piece bottom is circular-arcly, polishing mould drives second polyurethane piece and is circular motion in order to carry out high-speed polishing to the outer sphere of nearly hemisphere lens at the outer sphere of nearly hemisphere lens.
Further, classical style burnishing device includes classical style polishing base, classical style polishing mould, nearly hemisphere lens fixed connection is at classical style polishing base top surface, fill the flame lacquer between nearly hemisphere lens's interior sphere and the classical style polishing base, classical style polishing mould is located nearly hemisphere lens directly over, classical style polishing mould bottom inboard is personally submitted circular-arc and fixedly connected with asphalt layer, the asphalt layer is laminated with nearly hemisphere lens's ectosphere mutually, classical style polishing mould rotates in the top of nearly hemisphere lens and polishes the correction in order to polish nearly hemisphere lens ' ectosphere.
Compared with the prior art, the utility model has the beneficial effects that:
compared with the existing mechanical clamping, the novel clamping tool is low in cost and simple to process, and makes up the problem that numerical control equipment cannot process a short plate of a near-hemispherical lens; the processing efficiency of the near-hemispherical lens is maximized by matching with classical polishing, so that the method has good economical efficiency and popularization.
The utility model can not only make up the defects of the common high-speed polishing equipment, but also realize batch processing, maintains the high precision of the classical aperture, and can be widely applied to the batch processing of near-hemispherical lenses such as seeker series and the like; the utility model is simple and feasible, reduces the cost, and obviously and greatly improves the efficiency, thereby having good economy and generalization; the utility model not only improves the processing efficiency, but also ensures the technical requirements and greatly shortens the processing period; the utility model can be widely applied to the processing processes of all near-hemispherical lenses such as communication, information processing, material processing, medical treatment, agriculture, military affairs and the like, and has popularization value.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the novel clamping tool of the present invention;
FIG. 2 is a schematic structural diagram of a numerically controlled polishing apparatus according to the present invention;
FIG. 3 is a schematic view of a classical polishing apparatus according to the present invention;
FIG. 4 is a schematic view of the connection of the metal base and the glass piece of the present invention;
FIG. 5 is a top view structural view of a first polyurethane sheet of the present invention.
The specific implementation mode is as follows:
in order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
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, or orientations or positional relationships that the products of the present invention conventionally lay out when in use, or orientations or positional relationships that are conventionally understood by those skilled in the art, which are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 figures 1-5 of the drawings,
a novel near-hemispherical lens efficient processing method comprises the following steps:
s1: mounting a polyurethane sheet attached to the inner spherical surface of the near-hemispherical lens on a glass piece for bearing the near-hemispherical lens, and then mounting the near-hemispherical lens on the upper surface of the polyurethane sheet and fixing the near-hemispherical lens with the glass piece;
s2: carrying out numerical control milling on the outer spherical surface of the nearly hemispherical lens by using a grinding wheel;
s3: fixedly connecting the polished near-hemispherical lens to the top of a polytetrafluoroethylene sleeve seat, and installing a polyurethane sheet at the bottom of a polishing die to carry out high-speed numerical control polishing on the outer spherical surface of the near-hemispherical lens;
s4: fixing the high-speed numerical control polished near-hemispherical lens on a classical polishing base, and filling fire paint between the inner spherical surface of the near-hemispherical lens and the top surface of the classical polishing base;
s5: arranging a asphalt layer at the bottom of the classical polishing die, wrapping the asphalt layer on the outer spherical surface of the near-hemispherical lens, and correcting the outer spherical surface of the near-hemispherical lens through the rotation of the classical polishing die;
s6: and cleaning the corrected near-hemispherical lens.
In this embodiment, in step 2, the precision of the numerical control milling of the near-hemispherical lens is within 3 μm of the full-face sagittal height difference.
In the present embodiment, in step S3, the precision of the high-speed numerical control polishing of the near-hemispherical lens is N =3, and Δ N = 0.3.
The machining equipment comprises a novel clamping tool, a numerical control polishing device and a classical polishing device, wherein the near-hemispherical lens 1 is sequentially machined on the novel clamping tool, the numerical control polishing device and the classical polishing device.
The utility model provides a novel clamping frock includes metal base 21, glass spare 22, first polyurethane piece 23 and emery wheel 24, glass spare 22 is nearly hemispherical, 23 fixed connection of first polyurethane piece are at the top of glass spare 22, 1 cover of nearly half ball lens is established at first polyurethane piece 23 top surface and with glass spare 22 or metal base 21 fixed connection, emery wheel 24 bottom and 1 outer sphere butt of nearly half ball lens, and do the circular motion on the outer sphere of nearly half ball lens 1 and carry out high-speed milling and grinding to the outer sphere of nearly half ball lens 1.
In this embodiment, the first polyurethane sheets 23 are provided with a plurality of strips, which are all annularly arranged, the first polyurethane sheets 23 are sequentially sleeved on the outer spherical surface of the glass member 22, and the horizontal planes on which the adjacent first polyurethane sheets 23 are located are parallel to each other.
In this embodiment, the first polyurethane sheet 23 is provided with a notch 231.
In this embodiment, a first through hole 221 is formed in the center of the glass member 22.
In this embodiment, the center of the metal base 21 is provided with a second through hole 211, and the second through hole 221 and the first through hole 211 are corresponding to each other and have the same diameter.
In this embodiment, the bottom of the glass member 22 is integrally formed with a connecting portion 222, and an edge of the connecting portion 222 and an upper edge of the metal base 1 are located on the same vertical horizontal plane.
In this embodiment, numerical control burnishing device is including highly polishing base 31, polytetrafluoroethylene cover seat 32, polishing mould 33, polytetrafluoroethylene cover seat 32 fixed connection is at polishing base 31 top surface, and the nearly hemisphere lens 1 joint after the milling grinds is at polytetrafluoroethylene cover seat 32 top, polishing mould 33 bottom fixedly connected with second polyurethane piece 34, second polyurethane piece 34 bottom is circular-arcly, polishing mould 33 drives second polyurethane piece 34 and is circular motion in order to carry out high-speed polishing to the outer sphere of nearly hemisphere lens 1 at the outer sphere of nearly hemisphere lens 1.
In this embodiment, the classical polishing device includes classical polishing base 41, classical polishing die 43, near hemisphere lens 1 fixed connection is at classical polishing base 41 top surface, fill paint 42 between near hemisphere lens 1's interior sphere and the classical polishing base 41, classical polishing die 43 is located near hemisphere lens 1 directly over, classical polishing die 43 bottom inboard personally submits circular-arc and fixedly connected with asphalt layer 44, asphalt layer 44 laminates with near hemisphere lens 1's ectosphere mutually, classical polishing die 43 rotates in near hemisphere lens 1's top and polishes the correction in order to carry out the polishing to near hemisphere lens 1's ectosphere.
The utility model adopts LOH equipment comprising two devices of milling and polishing, firstly milling and polishing a near-hemispherical lens to control the whole plane rise difference within 3 mu m (within 12 paths of lower aperture), then processing on a numerical control polishing device, compressing the time to the shortest, achieving the precision of N =3 and delta N =0.3 after polishing, achieving the high-precision processing of delta N =0.2 for medium-high precision, and finally performing classical repair polishing.
When the novel clamping tool is used, according to the technical indexes of parts, confirming the data of the opposite surface of a processing surface, and firstly confirming the diameter (which needs to be smaller than the diameter of a workpiece) and the thickness (which needs to be larger than the arc height h +3mm of the opposite surface of the processing surface) of a metal base; then punching a hole (the diameter is 3 mm-5 mm) in the center of the hole; bonding the perforated glass piece and the metal base by using wax; installing a metal base with a glass piece on equipment, and processing a spherical surface (R +/-1 mm, wherein the radius of the glass base is opposite to that of the opposite surface, the convex surface is used as a minus sign, and the concave surface is used as a plus sign); bonding a first polyurethane sheet on the surface of the spherical surface after the spherical surface is processed; processing the first polyurethane surface to R (the polyurethane surface requires full coverage during processing) after solidification; and finally, placing the near-hemispherical lens on the first polyurethane to realize vacuum adsorption and normal processing.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a novel clamping frock of high-efficient processing of nearly hemisphere lens which characterized in that: novel clamping frock includes metal base, glass spare, first polyurethane piece and emery wheel, glass spare is nearly hemispherical, first polyurethane piece fixed connection at the top of glass spare, nearly hemisphere lens cover establish first polyurethane piece top surface and with glass spare or metal base fixed connection, emery wheel bottom and nearly hemisphere lens ectosphere butt, and be circular motion on nearly hemisphere lens's ectosphere and carry out high-speed milling to nearly hemisphere lens's ectosphere.
2. The novel clamping tool for efficiently processing the near-hemispherical lens according to claim 1, which is characterized in that: the first polyurethane sheets are arranged in a ring shape, the first polyurethane sheets are sequentially sleeved on the outer spherical surface of the glass piece, and the horizontal planes where the adjacent first polyurethane sheets are located are parallel to each other.
3. The novel clamping tool for efficiently processing the near-hemispherical lens according to claim 1, which is characterized in that: the first polyurethane sheet is provided with a notch.
4. The novel clamping tool for efficiently processing the near-hemispherical lens according to claim 1, which is characterized in that: the center of the glass piece is provided with a first through hole.
5. The novel clamping tool for efficient machining of the near-hemispherical lens according to claim 4, characterized in that: the center position of metal base has seted up the second through-hole, correspond each other and the diameter is unanimous between second through-hole and the first through-hole.
6. The novel clamping tool for efficiently processing the near-hemispherical lens according to claim 1, which is characterized in that: the bottom of the glass piece is integrally formed with a connecting part, and the edge of the connecting part and the edge of the upper part of the metal base are positioned on the same vertical horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122858423.5U CN216542441U (en) | 2021-11-22 | 2021-11-22 | Novel clamping frock of high-efficient processing of nearly hemisphere lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122858423.5U CN216542441U (en) | 2021-11-22 | 2021-11-22 | Novel clamping frock of high-efficient processing of nearly hemisphere lens |
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| CN216542441U true CN216542441U (en) | 2022-05-17 |
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| CN202122858423.5U Active CN216542441U (en) | 2021-11-22 | 2021-11-22 | Novel clamping frock of high-efficient processing of nearly hemisphere lens |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115639553A (en) * | 2022-12-15 | 2023-01-24 | 北京航空航天大学 | Optical SAR integrated satellite detection system based on photoelectric path coupling |
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2021
- 2021-11-22 CN CN202122858423.5U patent/CN216542441U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115639553A (en) * | 2022-12-15 | 2023-01-24 | 北京航空航天大学 | Optical SAR integrated satellite detection system based on photoelectric path coupling |
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