CN216179220U - Optical lens milling chuck - Google Patents
Optical lens milling chuck Download PDFInfo
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- CN216179220U CN216179220U CN202122737707.9U CN202122737707U CN216179220U CN 216179220 U CN216179220 U CN 216179220U CN 202122737707 U CN202122737707 U CN 202122737707U CN 216179220 U CN216179220 U CN 216179220U
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- cylindrical main
- main body
- milling
- optical lens
- main part
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Abstract
The utility model belongs to the technical field of milling and grinding of spherical surfaces of optical lenses, and particularly relates to an optical lens milling and grinding chuck, wherein a cylindrical main body is arranged at the front end of the optical lens milling and grinding chuck, a connecting rod is arranged at the rear end of the optical lens milling and grinding chuck, external threads for connecting with a milling and grinding machine joint are arranged on the outer wall of the connecting rod, the cylindrical main body and the connecting rod are coaxially arranged and are integrally formed by adopting polytetrafluoroethylene materials, a circular groove for clamping a workpiece is formed in the front end surface of the cylindrical main body, the circular groove and the cylindrical main body are coaxially arranged, a cross-shaped joint penetrating through the whole cylindrical main body is arranged on the front end surface of the cylindrical main body, the intersection point of the cross-shaped joint is positioned on the axis of the cylindrical main body, a conical groove matched with an external conical surface of the milling and grinding machine joint is arranged on the rear end surface of the cylindrical main body, and the included angle between the generatrix of the conical groove and the axis is 70 degrees. The utility model has the advantages of simple structure, convenient manufacture and operation, low processing cost, strong universality and higher economic benefit and popularization value.
Description
Technical Field
The utility model belongs to the technical field of milling and grinding of optical lens spherical surfaces, and particularly relates to an optical lens milling and grinding chuck.
Background
The optical lens spherical surface milling process is a process of forming and processing glass by using a diamond grinding tool, and is also called a generating method process. In the process of milling and grinding a workpiece, a chuck connected to a joint of a milling and grinding machine is required to clamp and fix the part and meet a series of process requirements. The clamps used are usually elastic, vacuum adsorption and magnetic. No matter which kind of anchor clamps, must make the work piece of clamping firm reliable, the location correct, can with mill the performance and the structure phase-match of mill and load and unload conveniently. The existing elastic chuck for processing the spherical surface of the optical lens uses a chuck made of copper H62, has high cost and poor universality and cannot well meet the production requirement.
For this reason, improvements are desired.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an optical lens milling chuck, the front end of the optical lens milling chuck is provided with a cylindrical main body, the rear end of the optical lens milling chuck is provided with a connecting rod, the outer wall of the connecting rod is provided with an external thread used for being connected with a milling and grinding machine joint, the cylindrical main body and the connecting rod are coaxially arranged and are integrally formed by adopting a polytetrafluoroethylene material, a circular groove for clamping a workpiece is arranged on the front end surface of the cylindrical main body, the circular groove and the cylindrical main body are coaxially arranged, the front end surface of the cylindrical main body is provided with a cross-shaped kerf which penetrates through the whole cylindrical main body, and the intersection point of the cross-shaped joint-cutting is positioned on the axis of the cylindrical main body, a conical groove matched with the outer conical surface of the milling and grinding machine joint is arranged on the rear end surface of the cylindrical main body, and the included angle between the generatrix of the conical groove and the axis is 70 degrees.
Preferably, the cylindrical main body is provided with a convex edge corresponding to the outer wall of one end of the conical groove in an integrated manner, the convex edge is equally divided into four equal parts by the cross-shaped cutting seam, the convex edge is arranged, the cylindrical main body can be conveniently clamped and limited during processing of the conical groove, and meanwhile, the cylindrical main body can be conveniently placed after processing.
Preferably, the width of the cross-shaped cutting seam is 1mm, so that the cylindrical main body can be tensioned to a certain extent according to the size change of a workpiece, and the universality of the device is improved.
The present invention also includes other devices or components that enable the optical lens milling chuck to be used properly, all as is conventional in the art, and in addition, the devices and components not limited in the present invention are all as is conventional in the art.
The working principle of the utility model is that the device combines the characteristics of stable chemical property, corrosion resistance, high lubricity, good ageing resistance and the like of the polytetrafluoroethylene material, is convenient to manufacture and operate, the diameter of the circular groove can be set according to the size of a workpiece, and the diameter of the circular groove is slightly larger (about 0.5mm larger) than the diameter of the workpiece; when the connecting rod is used, a workpiece is arranged in the circular groove, the connecting rod is screwed on the milling and grinding machine connector, and in the connecting process of the connecting rod and the milling and grinding machine connector, the outer conical surface of the milling and grinding machine connector is matched with the inner conical surface of the conical groove to generate elasticity, so that the purpose of clamping parts is achieved.
The utility model has the advantages of simple structure, convenient manufacture and operation, low processing cost, strong universality and higher economic benefit and popularization value.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of a half-section structure of the present invention in the example.
Fig. 2 is a schematic top view of the present invention shown in fig. 1.
Detailed Description
The present invention will be described more clearly with reference to the accompanying drawings, which are included to illustrate and not to limit the present invention. All other embodiments, which can be obtained by those skilled in the art without any inventive step based on the embodiments of the present invention, should be included in the scope of the present invention.
Examples
As shown in fig. 1-2, the utility model provides an optical lens milling and grinding chuck, wherein a cylindrical main body 1 is arranged at the front end of the optical lens milling and grinding chuck, a connecting rod 2 is arranged at the rear end of the optical lens milling and grinding chuck, an external thread for connecting with a milling and grinding machine joint (not shown in the figure) is arranged on the outer wall of the connecting rod 2, the cylindrical main body 1 and the connecting rod 2 are coaxially arranged and are integrally formed by polytetrafluoroethylene, a circular groove 3 for clamping a workpiece is arranged on the front end surface of the cylindrical main body 1, the circular groove 3 and the cylindrical main body 1 are coaxially arranged, a cross-shaped kerf 4 penetrating through the whole cylindrical main body 1 is arranged on the front end surface of the cylindrical main body 1, the intersection point of the cross-shaped kerf 4 is positioned on the axis of the cylindrical main body 1, a conical groove 5 matched with the external conical surface of the milling and grinding machine joint is arranged on the rear end surface of the cylindrical main body 1, the included angle between the generatrix of the conical groove 5 and the axis is 70 degrees. The cylindrical main body 1 is provided with a convex edge 6 corresponding to the outer wall of one end of the conical groove 5 in an integrated manner, the convex edge 6 is equally divided into four equal parts by the cross-shaped cutting seam 4, the cylindrical main body 1 can be conveniently clamped and limited when the conical groove 5 is machined by arranging the convex edge 6, and meanwhile, the cylindrical main body 1 can be conveniently placed after being machined. The width of the cross-shaped cutting seam 4 is 1mm, so that the cylindrical main body 1 can be tensioned to a certain extent according to the size change of a workpiece, and the universality of the device is improved.
The working principle of the utility model is that the device combines the characteristics of stable chemical property, corrosion resistance, high lubricity, good ageing resistance and the like of the polytetrafluoroethylene material, is convenient to manufacture and operate, the diameter of the circular groove 3 can be set according to the size of a workpiece, and the diameter of the circular groove 3 is 0.5mm larger than the diameter of the workpiece; when the connecting rod 2 is used, a workpiece is arranged in the circular groove 3, the connecting rod 2 is screwed on the milling and grinding machine joint, and in the connecting process of the connecting rod 2 and the milling and grinding machine joint, the outer conical surface of the milling and grinding machine joint and the inner conical surface of the conical groove 3 are matched to generate elasticity, so that the purpose of clamping the part is achieved.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.
Claims (3)
1. The utility model provides an optical lens mills and grinds chuck which characterized in that: the front end that optical lens milled the chuck is equipped with cylindrical main part, and the rear end is equipped with the connecting rod, be equipped with on the connecting rod outer wall and be used for the external screw thread that is connected with milling and grinding machine joint, cylindrical main part and the coaxial setting of connecting rod just adopt polytetrafluoroethylene material integrated into one piece, set up the circular recess that is used for the clamping work piece on the preceding terminal surface of cylindrical main part, circular recess and the coaxial setting of cylindrical main part, be equipped with the cross joint-cutting that link up whole cylindrical main part on the preceding terminal surface of cylindrical main part, and the nodical point of cross joint-cutting is located the axis of cylindrical main part, be equipped with on the rear end face of cylindrical main part and mill and connect outer circular conical surface matched with tapered groove with of milling and grinding machine, tapered groove's generating line is 70 with the contained angle of axis.
2. The optical lens milling chuck of claim 1, wherein: the outer wall of the cylindrical main body, corresponding to one end of the conical groove, is integrally provided with a convex edge, and the convex edge is equally divided into four equal parts by the cross-shaped cutting seam.
3. The optical lens milling cartridge of claim 1 or 2, wherein: the width of the cross-shaped cutting seam is 1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122737707.9U CN216179220U (en) | 2021-11-09 | 2021-11-09 | Optical lens milling chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122737707.9U CN216179220U (en) | 2021-11-09 | 2021-11-09 | Optical lens milling chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216179220U true CN216179220U (en) | 2022-04-05 |
Family
ID=80907518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122737707.9U Active CN216179220U (en) | 2021-11-09 | 2021-11-09 | Optical lens milling chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216179220U (en) |
-
2021
- 2021-11-09 CN CN202122737707.9U patent/CN216179220U/en active Active
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