阅读说明：本技术 一种非球面镜抛光工艺及其抛光盘 (Aspherical mirror polishing process and polishing disk thereof ) 是由 肖志宏 于 2021-09-06 设计创作，主要内容包括：本发明公开了一种非球面镜抛光工艺及其抛光盘,涉及抛光技术领域,本发明包括抛光盘本体,抛光盘本体顶部中间固定有安装轴套,抛光盘本体的顶部四周固定有储液盒,抛光盘本体的底部设置有抛光组件。本发明通过设置有抛光组件,在抛光盘本体进行使用时,通过安装轴套将抛光盘安装在铣磨机上,之后通过抛光层可对待加工镜片初步抛光,且通过海绵垫可进行二次抛光,通过随着抛光盘对待加工镜片,处于储液盒内部的液体可通过渗透绳渗透至海绵垫上,随着海绵垫抛光涂在待加工镜片上,从而起到降温冷却的作用,使得抛光更加安全稳定,避免了抛光盘与镜面接触摩擦产生高温使得抛光盘磨损的情况。(The invention discloses an aspherical mirror polishing process and a polishing disk thereof, and relates to the technical field of polishing. According to the invention, the polishing assembly is arranged, when the polishing disc body is used, the polishing disc is arranged on the milling and grinding machine through the mounting shaft sleeve, then the lens to be processed can be initially polished through the polishing layer, secondary polishing can be carried out through the sponge pad, liquid in the liquid storage box can permeate to the sponge pad through the permeation rope along with the lens to be processed to be polished by the polishing disc, and the sponge pad is polished and coated on the lens to be processed, so that the cooling and cooling effects are achieved, the polishing is safer and more stable, and the condition that the polishing disc is abraded due to high temperature generated by contact friction between the polishing disc and a mirror surface is avoided.)

1. An aspherical mirror polishing process, characterized by comprising the steps of:

the method comprises the following steps that firstly, a cleaning assembly is adopted to pretreat a lens to be processed;

fixing the lens to be processed by adopting a clamping mechanism;

polishing the lens to be processed by adopting a milling and grinding machine;

step four, the rotating mechanism is adopted to change the position of the lens to be processed fixed by the clamping mechanism;

step five, acquiring the surface shape and size of the lens to be processed by adopting an angle detector;

step six, judging whether the surface shape and size of the lens to be processed are qualified, and if not, circularly polishing; if so, stopping polishing.

2. An aspherical mirror polishing process according to claim 1, wherein: the third step is followed by the steps of: the surface of the lens to be processed is coated with polishing powder solution, and dust generated in the polishing process is absorbed by a dust removal mechanism.

3. An aspherical mirror polishing process according to claim 1, wherein: the fourth step is followed by the steps of: adopt and fall the mechanism of making an uproar and reduce the polishing noise, adopt the light filling subassembly reinforcing processing light.

4. A polishing disk comprising a polishing disk body (1), characterized in that: the polishing disc is characterized in that an installation shaft sleeve (2) is fixed in the middle of the top of the polishing disc body (1), liquid storage boxes (3) are fixed on the periphery of the top of the polishing disc body (1), and a polishing assembly (4) is arranged at the bottom of the polishing disc body (1).

5. A polishing disk according to claim 4, wherein: the polishing component (4) comprises a polishing layer (401) fixed at the bottom of the polishing disc body (1), a sponge pad (402) is mounted on the outer surface of the polishing layer (401), and a penetrating rope (403) penetrating into the liquid storage box (3) is fixed to the top of the sponge pad (402).

6. A polishing disk according to claim 5, wherein: the four sponge pads (402) are distributed in an annular array, and the thicknesses of the four sponge pads (402) and the polishing layer (401) are the same.

7. A polishing disk according to claim 5, wherein: the polishing layer (401) is made of polyurethane, and the permeation rope (403) is made of a flexible nylon rope.

Technical Field

The invention relates to the technical field of polishing, in particular to an aspherical mirror polishing process and a polishing disk thereof.

Background

The aspheric surface is mainly a rotationally symmetric aspheric surface and can be represented by a high-order polynomial containing aspheric surface coefficients, the curvature radius from the center to the edge of the aspheric surface is continuously changed, and the aspheric surface can reduce the external dimension of an optical system, reduce the weight of the optical system, improve the optical performance and improve the imaging quality.

According to the chinese patent with the patent number CN111843629A, an aspherical mirror polishing process and a polishing disk thereof are disclosed, wherein a milling machine is sequentially used for milling an aspherical surface shape and polishing a lens to be processed, a detection device is used for obtaining the surface shape size of the lens to be processed, and the size of the surface shape is compared with a drawing requirement, so as to judge whether the surface shape size is qualified, if the surface shape size is not qualified, the milling and polishing processes are circularly performed, until the surface shape size meets the drawing requirement, the processing of an optical part with a complex surface shape can be met, higher surface quality and processing precision can be obtained, the processing cost is effectively reduced, but along with the polishing of the mirror surface, a large amount of dust is generated, and the dust is attached to the polishing disk and the mirror surface, the subsequent processing precision of the mirror surface is easily influenced, stronger noise can be generated when the mirror surface is polished, discomfort can be easily caused to nearby personnel, and simultaneously in the mirror surface polishing process, the friction of the polishing disc against the mirror surface generates a high temperature, making the polishing disc susceptible to wear.

Disclosure of Invention

The invention aims to provide an aspherical mirror polishing process and a polishing disk thereof, and aims to solve the technical problems that dust is attached to the polishing disk and the mirror surface affects the processing precision, the polishing noise causes discomfort to nearby personnel, and the polishing disk is abraded due to high temperature generated by the contact friction between the polishing disk and the mirror surface.

In order to achieve the purpose, the invention provides the following technical scheme: an aspherical mirror polishing process comprising the steps of:

step 1, a cleaning assembly is adopted to pretreat a lens to be processed;

step 2, fixing the lens to be processed by adopting a clamping mechanism;

step 3, polishing the lens to be processed by adopting a milling and grinding machine;

step 4, a rotating mechanism is adopted to change the position of the lens to be processed fixed by the clamping mechanism;

step 5, acquiring the surface size of the lens to be processed by adopting an angle detector;

step 6, judging whether the surface size of the lens to be processed is qualified, and if not, circularly polishing; if so, stopping polishing.

Further, the step 3 is followed by the step of: the surface of the lens to be processed is coated with polishing powder solution, and dust generated in the polishing process is absorbed by a dust removal mechanism.

By adopting the technical scheme, the polishing powder solution is coated on the surface of the lens to be processed in advance, so that the lens to be processed is polished more smoothly and roundly when the lens to be processed is polished subsequently; can be with the dust absorption that produces the polishing process through dust removal mechanism, prevent that the dust from being detained and adhering to influence follow-up processing for the polishing process is safer.

Further, the step 4 is followed by the step of: adopt and fall the mechanism of making an uproar and reduce the polishing noise, adopt the light filling subassembly reinforcing processing light.

Through adopting above-mentioned technical scheme, reduce the polishing noise through making an uproar mechanism of falling, can be so that the polishing process is safer near staff, is difficult for receiving the interference, strengthens processing light through the light filling subassembly, can let the staff better see the polishing degree of treating the processing lens for it is more accurate to treat the processing lens polishing, can reduce the polishing error.

The utility model provides a polishing disk, includes the polishing disk body, be fixed with the installation axle sleeve in the middle of the polishing disk body top, the top of polishing disk body is fixed with the stock solution box all around, the bottom of polishing disk body is provided with polishing subassembly.

Further, polishing subassembly is including being fixed in the polishing layer of polishing dish body bottom, the surface mounting of polishing layer has the foam-rubber cushion, the top of foam-rubber cushion is fixed with the infiltration rope that runs through to the liquid storage box inside.

Through adopting above-mentioned technical scheme, when the polishing dish body carries out the use, can treat the preliminary polishing of processing lens through the polishing layer, and can carry out the secondary polishing through the foam-rubber cushion, through treating the processing lens along with the polishing dish, be in the inside liquid accessible infiltration rope of stock solution box and permeate to the foam-rubber cushion, scribble on treating the processing lens along with the foam-rubber cushion polishing to play the refrigerated effect of cooling, make the polishing safety and stability more.

Furthermore, four sponge pads are arranged and distributed in an annular array shape, and the thicknesses of the four sponge pads and the polishing layer are the same.

By adopting the technical scheme, the four sponge pads can be matched with the polishing layer to more effectively polish the lens to be processed.

Further, the polishing layer is made of polyurethane, and the permeation rope is made of a flexible nylon rope.

By adopting the technical scheme, the polishing layer made of polyurethane is more durable, and the water permeability of the permeation rope made of the flexible nylon rope is better.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the polishing powder solution is coated on the surface of the lens to be processed in advance, so that the lens to be processed is polished more smoothly and roundly when the lens to be processed is polished subsequently; the dust removal mechanism can absorb dust generated in the polishing process, so that the dust is prevented from being retained and attached to influence subsequent processing, the polishing process is safer, and the condition that the dust is attached to a polishing disc and a mirror surface influences the processing precision is avoided;

2. the polishing noise is reduced through the noise reduction mechanism, so that workers in the vicinity of the polishing process can be safer and are not easily interfered, the processing light is enhanced through the light supplementing assembly, the workers can better see the polishing degree of the lens to be processed, the lens to be processed is more accurately polished, the polishing error can be reduced, and the condition that the polishing noise causes discomfort to the nearby workers is avoided;

3. according to the invention, the polishing assembly is arranged, when the polishing disc body is used, the polishing disc is arranged on the milling and grinding machine through the mounting shaft sleeve, then the lens to be processed can be initially polished through the polishing layer, secondary polishing can be carried out through the sponge pad, liquid in the liquid storage box can permeate to the sponge pad through the permeation rope along with the lens to be processed to be polished by the polishing disc, and the sponge pad is polished and coated on the lens to be processed, so that the cooling and cooling effects are achieved, the polishing is safer and more stable, and the condition that the polishing disc is abraded due to high temperature generated by contact friction between the polishing disc and a mirror surface is avoided.

Drawings

FIG. 1 is a schematic flow chart of an aspherical mirror polishing process of the present invention;

FIG. 2 is a schematic perspective view of a polishing pad body of a polishing pad of the present invention;

FIG. 3 is a schematic cross-sectional view of a polishing pad body of a polishing pad of the present invention;

FIG. 4 is a schematic view of a polishing layer structure of a polishing disk according to the present invention;

FIG. 5 is an enlarged view of the invention at A in FIG. 3.

In the figure: 1. a polishing disk body; 2. installing a shaft sleeve; 3. a liquid storage box; 4. a polishing assembly; 401. a polishing layer; 402. a sponge cushion; 403. a permeable rope.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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. The following describes an embodiment of the present invention based on its overall structure.

An example, aspheric mirror polishing process, see fig. 1, includes the steps of:

step 1, a cleaning assembly is adopted to pretreat a lens to be processed;

step 2, fixing the lens to be processed by adopting a clamping mechanism;

step 3, polishing the lens to be processed by adopting a milling and grinding machine;

step 4, a rotating mechanism is adopted to change the position of the lens to be processed fixed by the clamping mechanism;

step 5, acquiring the surface size of the lens to be processed by adopting an angle detector;

step 6, judging whether the surface size of the lens to be processed is qualified, and if not, circularly polishing; if so, stopping polishing.

Referring to fig. 1, step 3 is followed by the steps of: the polishing powder solution is coated on the surface of the lens to be processed, and the polishing powder solution is coated on the surface of the lens to be processed in advance, so that the lens to be processed is polished more smoothly and roundly when the lens to be processed is polished subsequently; adopt dust removal mechanism to absorb the dust that the polishing process produced, can absorb the dust that produces the polishing process through dust removal mechanism, prevent that the dust from being detained and adhering to influence follow-up processing for the polishing process is safer.

Referring to fig. 1, step 4 is followed by the steps of: the mechanism of making an uproar reduces the polishing noise, reduces the polishing noise through making an uproar mechanism of falling, can make the polishing process be in near staff safer, is difficult for receiving the interference, adopts light filling subassembly reinforcing processing light, through light filling subassembly reinforcing processing light, can let the staff better see the polishing degree of treating the processing lens for it is more accurate to treat the processing lens polishing, can reduce the polishing error.

A polishing disk, refer to fig. 2-5, comprises a polishing disk body 1, wherein a mounting shaft sleeve 2 is fixed in the middle of the top of the polishing disk body 1, a liquid storage box 3 is fixed around the top of the polishing disk body 1, a polishing component 4 is arranged at the bottom of the polishing disk body 1, the polishing component 4 comprises a polishing layer 401 fixed at the bottom of the polishing disk body 1, a sponge pad 402 is arranged on the outer surface of the polishing layer 401, and a penetrating rope 403 penetrating through the liquid storage box 3 is fixed at the top of the sponge pad 402.

Referring to fig. 2-5, the polishing assembly 4 includes a polishing layer 401 fixed to the bottom of the polishing disc body 1, the polishing layer 401 is made of polyurethane, the permeation strings 403 are made of flexible nylon strings, the polishing layer 401 made of polyurethane is more durable, the permeation strings 403 made of flexible nylon strings have better water permeability, the outer surface of the polishing layer 401 is provided with four sponge pads 402, the four sponge pads 402 are distributed in an annular array, the four sponge pads 402 have the same thickness as the polishing layer 401, so that the four sponge pads 402 can be matched with the polishing layer 401 to more effectively polish lenses to be processed, the top of the sponge pad 402 is fixed with the permeation strings 403 penetrating into the liquid storage box 3, when the polishing disc body 1 is used, the lenses to be processed can be polished through the polishing layer 401 preliminarily, and the sponge pads 402 can be used for secondary polishing, through treating the processing lens along with the polishing dish, be in on the inside liquid accessible infiltration rope 403 infiltration of stock solution box 3 permeates the foam-rubber cushion 402, scribble on treating the processing lens along with foam-rubber cushion 402 polishing to play the refrigerated effect of cooling, make the polishing safety and stability more.

The working principle is as follows: firstly, a cleaning assembly is adopted to pretreat a lens to be processed, then a clamping mechanism is adopted to fix the lens to be processed, then a milling machine is adopted to polish the lens to be processed, and a polishing powder solution can be coated on the surface of the lens to be processed in advance, so that the lens to be processed can be polished more smoothly and roundly when the lens to be processed is polished subsequently; the dust removal mechanism can absorb dust generated in the polishing process, the dust is prevented from being retained and attached to influence subsequent processing, the polishing process is safer, then the rotating mechanism is adopted to replace the lens to be processed fixed by the clamping mechanism, meanwhile, the polishing noise is reduced by the noise reduction mechanism, workers nearby in the polishing process can be safer and are not easily interfered, the processing light is enhanced by the light supplementing assembly, the polishing degree of the lens to be processed can be better checked by the workers, the polishing of the lens to be processed is more accurate, the polishing error can be reduced, then, the face size of the lens to be processed is obtained by the angle detector, and finally, whether the face size of the lens to be processed is qualified or not is judged; if so, stopping polishing.

It will be evident to those skilled in the art that the invention 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 invention 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.