CN219444583U - Frock is used in processing of optical glass test sample - Google Patents

Abstract

The utility model provides a tool for processing an optical glass test sample, which has high processing precision and high processing efficiency. The utility model provides an optical glass test sample frock for processing, includes basal disc, footstock and sample mount pad, the back at the basal disc is fixed to the footstock, the sample mount pad is fixed in the basal disc openly be provided with the groove that has two mutual perpendicular faces on the sample mount pad, the sample mount pad is the right angle each other with two faces of basal disc laminating. The utility model ensures the processing precision and the processing efficiency of the sample by utilizing the precision of the groove and the outer right angle with two mutually perpendicular surfaces on the sample mounting seat, and ensures the consistency of the processing precision of the sample; the rapid processing is performed by using the existing processing equipment, so that the simple and rapid clamping of the optical glass test sample is met, the processing procedures are reduced, the labor intensity is lightened, the processing time is shortened, and the processing efficiency of the sample is improved. The utility model is particularly suitable for processing high refractive index optical glass test samples with refractive index greater than 1.85.

Description

Frock is used in processing of optical glass test sample

Technical Field

The utility model belongs to the technical field of cold working of optical glass refractive index test samples, and particularly relates to a tool for processing optical glass refractive index product constant test samples.

Background

The refractive index of the optical glass is a very important technical index, the optical glass must be monitored in daily production to ensure the quality of products, and the value of the refractive index directly influences the grade and the value of the products, so that the efficient processing of the refractive index test sample is very important for the quality monitoring of the production line and the data control of the products.

At present, a single sample is adopted for manually correcting a reference surface, then two right-angle surfaces are used for processing and testing the adhesive strip, the right-angle surfaces are processed by manually grinding, the requirements on experience and skills of operators are high, the perpendicularity of the sample can meet the requirements only by correcting for a plurality of times, and the processing efficiency is low; when a plurality of production lines are simultaneously produced, timeliness of sample processing cannot be guaranteed, and monitoring of production line product data and timely circulation and delivery of products are affected.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a tool for processing an optical glass test sample, which has high processing precision and high processing efficiency.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides an optical glass test sample frock for processing, includes basal disc, footstock and sample mount pad, the back at the basal disc is fixed to the footstock, the sample mount pad is fixed in the basal disc openly be provided with the groove that has two mutual perpendicular faces on the sample mount pad, the sample mount pad is the right angle each other with two faces of basal disc laminating.

Further, the device also comprises a counterweight, wherein the counterweight is arranged on the back surface of the base plate.

Further, U-shaped counter bores are respectively arranged at corresponding positions of the two mutually perpendicular surfaces on the sample mounting seat and the groove.

Further, the top plate is fixed on the back of the base plate through screws.

Further, the front face of the base plate is provided with a plurality of positioning threaded holes.

Further, a center hole is formed in the top plate.

Further, the sample mounting seat is fixed on the base plate through a fastening screw.

Further, the sample mounting seat is in a cuboid or square shape.

Further, a plurality of sample mounting seats are arranged on the base plate.

Further, the flatness of the base plate is within 0.01 mm.

The beneficial effects of the utility model are as follows: the machining precision and the machining efficiency of the sample are ensured by utilizing the precision of the groove and the outer right angle with two mutually perpendicular surfaces on the sample mounting seat, and the consistency of the machining precision of the sample is ensured; the rapid processing is performed by using the existing processing equipment, so that the simple and rapid clamping of the optical glass test sample is met, the processing procedures are reduced, the labor intensity is lightened, the processing time is shortened, and the processing efficiency of the sample is improved. The utility model is particularly suitable for processing high refractive index optical glass test samples with refractive index greater than 1.85.

Drawings

FIG. 1 is a front view of the tooling of the present utility model after mounting a test specimen.

Fig. 2 is a top view of fig. 1.

FIG. 3 is a perspective view of the tooling of the present utility model after installation of a test specimen.

Fig. 4 is a front view of a base plate of the tooling of the present utility model.

Fig. 5 is a cross-sectional view A-A of fig. 4.

Fig. 6 is a perspective view of a base plate of the tooling of the present utility model.

Fig. 7 is a front view of the top plate of the tooling of the present utility model.

Fig. 8 is a B-B cross-sectional view of fig. 7.

Fig. 9 is a front view of a sample mount of the tool of the present utility model.

Fig. 10 is a C-C cross-sectional view of fig. 9.

Fig. 11 is a top view of fig. 9.

Fig. 12 is a perspective view of a sample mount of the tool of the present utility model.

Fig. 13 is a front view of the whole adhesive tape.

Fig. 14 is a D-D sectional view of fig. 13.

Fig. 15 is a top view of fig. 13.

Fig. 16 is a perspective view of the whole adhesive tape.

Detailed Description

As shown in fig. 1-3, the tool for processing the optical glass test sample comprises a base plate 1, a top plate 2, a sample mounting seat 3 and a counterweight 4, wherein the base plate 1 is a matrix of the whole tool, and a plurality of positioning threaded holes 11 for fixing the sample mounting seat 3 are formed in the front surface of the base plate 1, so that the sample mounting seat 3 can be quickly mounted, as shown in fig. 4-6; the top disc 2 is fixed on the back of the base disc 1 through a screw, a central hole 21 is formed in the top disc 2, and when the iron pen of the processing equipment is vertically pressed into the central hole 21 of the top disc 2 to drive a tool with the test sample 5 to carry out grinding processing, as shown in figures 7-8; the sample mounting seat 3 is in a cuboid or square shape, a groove 31 with two mutually perpendicular surfaces is formed in the sample mounting seat 3, the groove 31 is used for bonding a strip-shaped test sample 5, U-shaped counter bores 32 are formed in the sample mounting seat 3 and corresponding positions of the two mutually perpendicular surfaces on the groove 31 respectively, and the sample mounting seat 3 is fixed on the base plate 1 through fastening screws penetrating through the U-shaped counter bores 32 and the positioning threaded holes 11, as shown in fig. 9-12; during the processing, the test specimen 5 may have a partial parallel error, and in order to correct the partial parallel error of the test specimen 5, a counterweight 4 may be mounted on the back of the base plate 1 according to the measurement result.

After roughly trimming two right angle surfaces of the test sample 5 adhered to form strips, adhering the strips into grooves 31 with two mutually perpendicular surfaces on the sample mounting seat 3 by paraffin to form an adhesive tape, wherein the adhesive tape is a combination of the test sample 5 and the sample mounting seat 3, the adhesive tape is integrally fastened on the positioning threaded hole 11 of the base plate 1 sequentially through fastening screws, the right angle accuracy of the sample processing is directly ensured by the outer right angle accuracy of the sample mounting seat 3, and in the working process, the two mutually right angle surfaces of the sample mounting seat 3 and the base plate 1 are sequentially attached, as shown in figures 13-16. When the test sample processing device works, after one right-angle surface of the test sample 5 on all the sample mounting seats 3 is processed, the fastening screw is required to be taken down, all the adhesive tapes are integrally turned over by 90 degrees together, and then the second right-angle surface of the outer right angle of the sample mounting seat 3 is attached and fixed with the base plate 1, so that the second right-angle surface of the test sample 5 is processed.

The base plate 1 is made of GCr15 material and is subjected to heat treatment, the hardness is HRC58-62, the surface abrasion and the surface shape change are small after long-time use, the flatness is within 0.01mm, the parallelism of the plate surface is within 0.02mm, and the sample processing precision error is effectively controlled within a required range; the top disc 2 is made of 45 steel materials; the sample mounting seat 3 is made of GCr15 material and is subjected to heat treatment, and the hardness is HRC58-62, so that the surface abrasion and the surface shape change are small after long-time use; the base plate 1 is provided with a plurality of sample mounting seats 3, 14 of which are shown in fig. 1, which can be selected according to the number of actual processed samples.

During operation, two large surfaces of the test sample 5 are milled by a plane vertical milling machine, so that the two surfaces of the sample are parallel, the milled test sample 5 is placed on a flat electric furnace for preheating, and the test sample 5 with the corresponding number is bonded into strips with the length of about 80-100mm by paraffin; after cooling to room temperature, roughly repairing and bonding two right-angle surfaces of the strip-shaped test sample 5 by utilizing a diamond grinding disc, bonding the trimmed strip-shaped test sample 5 in a groove 31 on a sample mounting seat 3 to form an adhesive tape whole, and fixing the adhesive tape whole on a positioning threaded hole 11 of a base plate 1 through a fastening screw; then grinding the first right-angle surface of the test sample 5 on a double-shaft machine, and setting grinding time of carborundum with each granularity, the swing arm position of the equipment, the main shaft rotating speed, the swing arm swinging speed and other parameters according to the performances of the product, such as abrasion degree and hardness; when the carborundum granularity is ground to the W40 granularity, the tool with the test sample 5 is taken down to clean the surface mortar, and a plurality of experiments show that when the carborundum granularity is finer than the W40, the carborundum grinding has little influence on the parallelism difference, so that the parallelism difference is measured after the W40 granularity grinding is more suitable; then measuring the parallel difference between the test sample 5 and the base plate 1, if the consistency of the parallel difference is good, continuing to perform sand fine grinding with finer granularity, if the parallel difference is locally out of tolerance, adding an assembly weight 4 at the corresponding position of the back of the base plate 1 to perform parallel difference correction to the corresponding precision requirement, and then continuing to perform sand fine grinding with finer granularity; after finishing the fine grinding process, cleaning the tool with the test sample 5, and cleaning sand stains remained on gaps on the surfaces of the test sample 5 and the tool, so as to avoid scratching the polished surface in the polishing process; placing the cleaned tool with the test sample 5 on a polishing disc of a double-shaft machine for polishing, selecting proper polishing liquid according to the product performance, and setting corresponding processing parameters for polishing; after polishing, the adhesive tape is integrally taken down, turned over and fixed, and then a second right-angle surface is processed, wherein the processing method is the same as that described above; and (3) after polishing the two right-angle surfaces, taking down the whole adhesive tape, and degumming and cleaning the test sample 5.

Claims (10)

1. Frock is used in processing of optical glass test sample, its characterized in that: including base plate (1), footstock (2) and sample mount pad (3), the back at base plate (1) is fixed in footstock (2), sample mount pad (3) are fixed in base plate (1) openly be provided with on sample mount pad (3) have groove (31) of two mutual perpendicular faces, two faces that sample mount pad (3) and base plate (1) laminating are the right angle each other.

2. The tool for processing an optical glass test sample according to claim 1, wherein: the device also comprises a counterweight (4), wherein the counterweight (4) is arranged on the back of the base plate (1).

3. The tool for processing an optical glass test sample according to claim 1 or 2, wherein: u-shaped counter bores (32) are respectively arranged at corresponding positions of the two mutually perpendicular surfaces on the sample mounting seat (3) and the groove (31).

4. The tool for processing an optical glass test sample according to claim 1 or 2, wherein: the top disc (2) is fixed on the back surface of the base disc (1) through screws.

5. The tool for processing an optical glass test sample according to claim 1 or 2, wherein: the front face of the base plate (1) is provided with a plurality of positioning threaded holes (11).

6. The tool for processing an optical glass test sample according to claim 1 or 2, wherein: the top disc (2) is provided with a central hole (21).

7. The tool for processing an optical glass test sample according to claim 1 or 2, wherein: the sample mounting seat (3) is fixed on the base plate (1) through a fastening screw.

8. The tool for processing an optical glass test sample according to claim 1 or 2, wherein: the sample mounting seat (3) is in a cuboid or square shape.

9. The tool for processing an optical glass test sample according to claim 1 or 2, wherein: a plurality of sample mounting seats (3) are arranged on the base plate (1).

10. The tool for processing an optical glass test sample according to claim 1 or 2, wherein: the flatness of the base plate (1) is within 0.01 mm.