TW200404658A - Machining tool for single-process cutting and polishing operation of lens - Google Patents

Abstract

Disclosed is a machining tool for single-process cutting and polishing operation of lens, including: a body having an end that is provided with at least a stationary piece and a moving piece, where the stationary piece having a polishing grade greater than that of the moving piece. The moving piece is urged by the resilience of at least a resilient body and moves for a fixed amount of displacement in an axial direction of the body.

Description

200404658 V. Description of the invention (1) [Technical field to which the invention belongs] The present invention relates to a tool for cutting and grinding a lens, especially a tool for cutting and rough grinding a lens in a single process. [Previous technology] In the general lens manufacturing process, the glass material is first heat-die-casted into the prototype of the desired lens, and then processed by a spherical cutting machine and rough and fine grinding by a grinder, as described in Section 1. As shown in FIG. 8, the spherical cutting machine includes a clamp 7 that can be moved forward and backward and a hollow cutter 7 1. The clamp 7 is used to clamp a jig 7 2 for the lens 9 to be attached to the jig 7. 2 and the bottom edge of the cutter 7 1 is provided with vermiculite 7 3. The vermiculite 7 3 has different thicknesses according to different processing procedures, and the cutter 7 1 can be abutted on the lens 9 of the jig 7 2. The surface of the lens 9 is cut into a spherical shape by the vermiculite 7 3 of the cutter 7 1. Replace the cut lens 9 with the fixture 7 2 on a sanding machine, and use the sanding JDEL 8 for rough grinding. As shown in Figure 9A, the sanding jhl 8 has most of the coarser ones. The particle size 8 1 (S m ο 〇thing Metal Pellet), by the right and left deflection of the sand hanging i 8 and the jig 7 drives the lens 9 to rotate, and the cobalt particles 8 1 in the sand hanging I 8 The first rough grinding of the lens 9 is for rough grinding the lens 9 to an appropriate size, and then the coarsely ground lens 9 and the jig 7 2 are replaced on the other shaft of the same sand hanger, and then used The sand hanging dish 8 2 is finely ground. As shown in FIG. 9B, the sand hanging sol 8 2 has most fine grains 8 3 (Smoothing Resin Pelle

200404658 V. Description of the invention (2) t), for cutting the rough surface of the knife 1, 8 and 3 at the same time for cutting or a 9-grinding stone, such as grinding, etc. The lens is set when the setting is over once or twice. Therefore, the invention intends to [invent the lens cut body at one end to grind a grade of elastomer on the knife, so that the program 'workpiece is reduced to set the spherical cutting force, and the tools such as First, how to solve the problem of the lens] The invention of cutting and grinding has more than the elasticity of the lens while the lens is in, and the power of the coarse grinder is set to grind the lens of the invention. 8 Fine grain cutting and grinding and cutting machine cost so much. The simplification problem of 0 pictures is mainly to make one solid moving part at a time, and the process of making the machine from the second stage to the stone 7 level is different. The manufacturing process is especially more The cutting tool fixed piece and the grinding of the body fixed piece and the intermediate stroke simplify the cost of rough grinding. Yes, the expected curvature accuracy. 3 Cobalt grains 8 with sand hanging solitary 8, 8 2 are fixed, and cannot be processed in the same level by the same grinding machine. Therefore, when the lens level processing is performed, the lens must be replaced on another sand hanging machine. Performing will increase the tediousness of the manufacturing process, and it will increase the processing of the lens to be polished again, and it must add an additional manufacturing process and equipment. Process and reduce the cost of the process, then

In order to solve the above problem, the cutter includes at least one movable part level, and the movable axial movable solid movable part cannot be cut and the original mirror program is omitted, so a problem can be raised and a body is provided. The moving part of the fixed part is subject to at least a certain amount of movement. The two types of coarse grinding with the same thickness and grinding grade need to be replaced after cutting to increase the output. The relative amount is that the moving amount of the movable part can be set according to the setting.

Page 5 200404658 V. Description of the invention (3) It can be changed according to the requirements of the invention, and the feed amount of rough grinding of the movable part can be changed to make the rough grinding process more convenient. A second object of the present invention is that one of the movable parts of the cutter can be replaced with a finer grinding level, and the moving amount of the movable part is greater than the moving amount of the other movable part for the finer grinding level activities. The parts are subjected to a finer polishing process, so that the lens can be cut, roughened and polished in one process, which simplifies the process. [Embodiment] Please refer to FIG. 1 to FIG. 4, which are examples of the present invention, which are for illustrative purposes only and are not limited by such scope in patent applications. The present invention is a lens cutting and grinding one-time cutting tool. The tool includes a main body 1 having at least one fixing member 2 and at least one movable member 3 at one end. The movable member 3 is subject to the elastic force of at least one elastic body 32. And a fixed amount of movement along the axial direction of the main body 1, wherein; one end of the main body 1 is provided with a connection base 1 1 for axial connection with a lens cutting device (not shown). In this embodiment, Wherein, the other end of the main body 1 opposite to the connecting base 11 has two fixing members 2 which are relatively fixedly arranged, and two opposite fixing members 2 are respectively provided with a movable member 3 at a relative position, and each of the fixing members 2 has a front end. Each has a coarse grinding grade vermiculite cutting portion 21, each of the movable members 3 has a fine grinding grade vermiculite grinding portion 3 1 at the front end, and each of the movable members 3 is subject to an elastomer (this embodiment It is a spring force of a spring 3 2), and moves along the axial direction of the body 1. The end of the spring 3 2 is abutted against each of the movable members 3 relative to the grinding portion 3.

200404658 V. The end body 1 of the description of the invention corresponds to each of the activities 3 along the internal movement of the movable member 3 with internal threads 1 3, 3 3 due to the movement of the component 3 to count the lens 4 The tool abuts against 1 axial movement of the component The cutting section 2 of 2 rotates the cutting part 2 to an appropriate size 2. Even if the lens 3 of spring 2 is fed for the lens grinding machine (4), each of the movable parts 3 is moved along the part 3 of the body 1. The edge solid 13 1 1 is nominally fixed directly, the lens moves in the rough embryo of the force u, and the sharpened part 2 and the left and right 1 pair of mirrors, and the fixed elastic force of the part 2 1 is further roughened by 4 and added to the spring 3 2 Moving part 3 The body is axially fixed and fixed-J-rL 5 is also fixed, and each has a difference in outer diameter. When moving the amount of work, placing the thickness of the 4 will cause the live 1 to be in the same deflection, and the piece 4 should be the same. The knife does not advance the mirror piece 2 to the other end of the work to the final mirror, and has an axial displacement of 1 fixed movement, fixed ring 1 3, the movable piece 3 thread 3 3, distance, The produced, such as Fig. 5 and Fig. 6, and the lens cutting and mounting embryo, due to the plane position of the moving member 3, the tool is roughened. The cutting tool is fed to the pre-sheet 4 and cut to re-feed, then the cutter is fixed with the movable part 3 to a fixed size, and the surface of the tab is finely abraded against the body limit key 1 2 in the direction of movement, and the momentum is in this system The fixing ring 1 should be fixed to the body and the inner and outer gaps D are shown. The fixture 5 placed in Figure 6A is the movable part 3 and the grinding part 31 is retracted. With the feed of the rule, the cutting is performed so that the cutting tool can be sized appropriately. Continue the study of the amount of movement, the mirror 1 and the book to limit each of the movable parts in the embodiment, 1 on the inner edge of each of the 3 3 internal threads 1 3 1 for each of the activities As shown in the figure, it is to move up and cut the lens 4 that can be retracted along the body with the holder 5 to drive the lens holder 2. The holder is terminated when the cutter stopper 3 is received by the buffing part 31, Slide 4 to complete the mirror

Page 7 200404658 V. Description of the Invention (5) Film processing. Since the cutter has both a fixed part 2 and a movable part 3 with two different thickness grades of vermiculite cutting part 21 and grinding part 3 1, the lens 4 can perform two processing procedures of cutting and rough grinding in one process. This simplifies the manufacturing process and eliminates the need to replace the workpiece to the rough grinding machine for rough grinding after cutting the original lens. Therefore, the output can be increased and the cost of setting up the grinding machine can be reduced. According to the present invention, the distance D between the internal thread 1 3 1 of the fixed ring 13 and the external thread 3 3 of the movable member 3 can be changed by using the above structure, and the moving amount of the movable member 3 can be changed, and the required amount can be set. The feed amount of rough grinding makes the rough grinding process more convenient. Of course, the cutter of the present invention can process the cutting, rough grinding and fine grinding (polishing) of the lens in a single process, as shown in FIG. 7, which is the second embodiment of the present invention. The body 1 The other end of the connecting base 1 1 has two fixing members 2 which are relatively fixedly arranged, and a movable member 3 is provided at the opposite position of each adjacent two of the fixing members 2, and each of the fixing members 2 has a thicker front end. The cutting part 21 of grinding vermiculite has a finer grinding vermiculite 3 1 at the front end of one movable part 3, and the moving part 3 has a finer grinding vermiculite polishing part 3 4 at the front end. And change the clearance between the external thread 3 3 of the movable part 3 with the polished part 3 4 and the internal thread 1 3 1 of the fixed ring 13 so that the moving amount of the movable part 3 with the polished part 3 4 is greater than another The moving amount of the movable member 3. When the grinding part 31 of the other movable part 3 rough-grinds the lens 4 so as to grind the lens 4 to a predetermined accuracy, the movable part with the polished part 34 is polished.

Page 8 200404658 V. Description of the invention (6) 3 will further advance the knife, and use the polishing section 34 to perform a finer polishing process on the lens 4, so that the lens 4 can be cut and rough ground in one process. And polishing three processing procedures to make the process more simplified. The disclosure of the embodiments described above is used to illustrate the present invention, and is not intended to limit the present invention. Therefore, changes in numerical values or replacement of equivalent components should still belong to the scope of the present invention. From the above detailed description, those skilled in the art can understand that the present invention can indeed achieve the aforementioned purpose, and it has actually met the provisions of the Patent Law, and filed a patent.

Page 9 200404658 Brief description of the drawings. Figure 1 is a perspective view of the present invention. Figure 2 is an exploded perspective view of the present invention. Figure 3 is a schematic view of the positions of the fixed and movable parts of the present invention. Figure 4 is a schematic view of the present invention. Sectional view Figure 5 is a schematic diagram of the axial movement of the movable member of the present invention with a fixed amount of movement. Figure 6 is a schematic diagram of the lens processing of the present invention. Figure 6A is a schematic diagram of the lens cutting and grinding processing in a process of the present invention. Figure 7 Fig. 8 is a sectional view of the second embodiment of the present invention. Fig. 8 is a schematic diagram of cutting of a lens by a conventional spherical cutting machine. Fig. 9 A is a schematic diagram of rough grinding of a lens by a sanding m of a conventional sanding machine. This is another schematic diagram of the conventional sand hanging machine for fine grinding of the lens. Figure 10 is a schematic diagram of the polishing processing of the lens by the sand hanging dish of the conventional sand hanging machine. [Illustration of the drawing number] (conventional part) 7 1 German stone 7 3 Drilling grain 8 1 8 Fixture 7 Fixture 7 2 Sand hanging jm 8, 8 2 Lens 9 (part of the present invention) Connection base 1 Body 1

Page 10 200404658

Claims (1)

200404658 VI. Scope of patent application1. A lens cutting and grinding process tool. The tool includes a body. One end of the body has at least one fixed part and at least one movable part. The grinding level of the fixed part is greater than that of the movable part. Moreover, the movable member is moved by a fixed amount of movement along the axial direction of the body by the elastic force of at least one elastic body. 2 According to the lens cutting and grinding process tool described in item 1 of the patent application scope, one end of the tool body has a connection seat for axial connection with a lens cutting device, and the body is opposite to the connection seat. One end is provided with two relatively fixed fixing members, and a movable member is provided at the opposite position of each of the adjacent fixed members. The front end of each fixed member has a coarse grinding grade vermiculite cutting section, and each of the movable members has The front end has a grinding section of finer grinding vermiculite, and each of the movable members is moved along the axial direction of the body by the elastic force of an elastic body, and one end of the elastic body is opposed to each of the movable members relative to the grinding section. At one end, the other end of the elastic body is abutted against the body, and the body has a limit key corresponding to each of the movable members for restricting the moving direction of each movable member along the axial direction of the body. 3. The tool for cutting and grinding the lens once according to item 2 of the scope of the patent application, wherein the elastic system is a spring. 4 · According to the lens cutting and grinding process tool described in item 1 of the scope of the patent application, wherein the body is fixed with a fixed ring on the outer edge of each of the movable parts, the inner edge of the fixed ring is provided with an internal thread, and each of the The movable parts have external threads corresponding to the internal threads of the fixed ring, and the gap between the internal and external threads due to the difference in nominal diameter is the reciprocation of each movable part. Page 12 200404658 VI. Scope of patent application Mobile fixed amount of movement. 5 · According to the lens cutting and grinding process tool described in item 1 of the patent application scope, wherein the front end of one movable part of the body has a polishing part with a finer degree of grinding than the grinding part of the other movable part, and The clearance between the external thread of the movable part and the internal thread of the fixed ring is larger than the clearance between the external thread of the movable part with another abrasive part and the internal thread of the fixed ring, so that the moving amount of the movable part with the polished part is larger The amount of movement of the movable part with the abrasive part. Page 13