CN212794555U - Roundness measuring instrument for rounding strip for producing optical filter - Google Patents

Abstract

The utility model discloses a rounding strip roundness measuring apparatu for producing light filter, including the bedplate, place the platform, measuring mechanism and elevating system, elevating system includes screw rod, pivot, lifting nut and connecting rod, and measuring mechanism includes slide bar, U-shaped frame, track piece and measuring stick, is equipped with the scale mark of recess formula on the measuring stick, the beneficial effects of the utility model are that, during the use of this device, the lens that will wait to detect is placed placing the bench, is close to in step through each measuring mechanism of elevating system drive, carries out the centre gripping to the lens, after the centre gripping, reads the scale mark reading on each measuring stick, can carry out the determination of lens radial tolerance to reach the circularity of this lens, this device convenient to use, improvement roundness measurement's efficiency that can be very big.

Description

Roundness measuring instrument for rounding strip for producing optical filter

Technical Field

The utility model relates to a light filter processing auxiliary device technical field, concretely relates to rounding strip roundness measuring apparatu for producing light filter.

Background

The optical filter is also called a neutral color filter, is added in an optical system, has the function of simultaneously attenuating various components of visible light, and has the main application field of photography.

In the prior art, a screw micrometer is generally adopted to measure a lens after rounding, when measurement is performed, measurement of three points of an upper point, a middle point and a lower point is generally required, namely measurement of nine points of each lens is required, and then whether the rounded lens meets the requirement of roundness is judged through analysis of measurement data, so that the measurement workload is large, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a rounding degree measuring apparatu for producing light filter, the utility model discloses a realize through following technical scheme.

A rounding strip roundness measuring instrument for producing optical filters comprises a seat plate, a placing table, a measuring mechanism and a lifting mechanism;

the lower surface of the seat plate is fixedly connected with a square-shaped supporting bottom frame;

the placing table is arranged right above the seat plate, and guide rods are uniformly and fixedly connected with the placing table and the circumference of the upper surface of the seat plate;

the circumference of the measuring mechanism is arranged on the periphery of the placing table and is in sliding connection with the placing table;

elevating system includes screw rod, pivot, lifting nut and connecting rod, the screw rod rotates to be connected and places between platform and the bedplate, and the bottom of screw rod stretches out under the lower surface of bedplate and the rigid coupling has driven bevel gear, the pivot rotates with the right side board that supports the underframe to be connected, and the left end rigid coupling of pivot has the initiative bevel gear with driven bevel gear meshing, and the right-hand member rigid coupling of pivot has the knob, lifting nut and screw rod meshing, the even rigid coupling of the periphery circumference of lifting nut have the guide block that corresponds with the guide bar, corresponding guide block and guide bar sliding connection, each the outside rigid coupling of guide block has first swivel mount, the connecting rod articulates between first swivel mount and measuring mechanism.

Furthermore, a rubber protection pad is fixedly connected to the upper surface of the placing table.

Further, measuring mechanism includes slide bar, U-shaped frame, track piece and measuring stick, it is equipped with the spout to place the bench, slide bar sliding connection is in the spout, the U-shaped frame rigid coupling is at the head of slide bar, and the opening of U-shaped frame is directional places the platform, and the bottom rigid coupling of U-shaped frame has the second swivel mount, the second swivel mount rotates with the top of connecting rod to be connected, and the symmetry is equipped with the track groove on the upper and lower curb plate of U-shaped frame, track piece sliding connection is in the track groove, rotates between the track piece to be connected with the commentaries on classics roller, the riser sliding connection of measuring stick and U-shaped frame, the one end rigid coupling that the measuring stick is close to placing the platform has the butt seat, the butt seat be close to the one side of commentaries on classics roller for with commentaries on classics roller complex arc, the cover has the butt spring on the.

Furthermore, a groove type scale mark is arranged on the measuring rod.

The beneficial effects of the utility model are that, when this device used, the lens that will wait to detect was placed placing the bench, was close to in step through each measuring mechanism of elevating system drive, carries out the centre gripping to the lens, after the centre gripping, reads the scale mark reading on each measuring stick, can carry out the confirming of lens radial tolerance to reach the circularity of this lens, this device convenient to use, improvement roundness measurement's that can be very big efficiency.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some examples of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1: the utility model relates to a schematic structure diagram of a roundness measuring instrument for rounding optical filters;

FIG. 2: the structure schematic diagram of the measuring mechanism of the utility model;

FIG. 3: fig. 2 shows a partial enlarged view at a.

The reference numbers are as follows:

1-seat plate, 101-support bottom frame, 2-placing table, 201-guide rod, 202-rubber protection pad, 3-measuring mechanism, 301-slide rod, 302-U-shaped frame, 303-track block, 304-measuring rod, 305-sliding chute, 306-second rotating seat, 307-track groove, 308-rotating roller, 309-abutting seat, 310-abutting spring, 311-graduation line, 401-screw rod, 402-rotating shaft, 403-lifting nut, 404-connecting rod, 405-driven bevel gear, 406-driving bevel gear, 407-knob, 408-guide block and 409-first rotating seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 3, the present invention has the following two embodiments.

Example 1

A rounding degree measuring instrument for producing optical filters comprises a seat plate 1, a placing table 2, a measuring mechanism 3 and a lifting mechanism;

the lower surface of the seat plate 1 is fixedly connected with a support bottom frame 101 in a shape of a Chinese character 'hui';

the placing table 2 is arranged right above the seat plate 1, and guide rods 201 are uniformly and fixedly connected with the placing table 2 and the circumference of the upper surface of the seat plate 1;

the measuring mechanism 3 is circumferentially arranged on the periphery of the placing table 2 and is in sliding connection with the placing table 2;

the lifting mechanism comprises a screw 401, a rotating shaft 402, a lifting nut 403 and a connecting rod 404, the screw 401 is rotatably connected between the placing table 2 and the seat plate 1, the bottom of the screw 401 extends below the lower surface of the seat plate 1 and is fixedly connected with a driven bevel gear 405, the rotating shaft 402 is rotatably connected with a right side plate of the supporting bottom frame 101, the left end of the rotating shaft 402 is fixedly connected with a driving bevel gear 406 meshed with the driven bevel gear 405, the right end of the rotating shaft 402 is fixedly connected with a knob 407, the lifting nut 403 is meshed with the screw 401, the periphery circumference of the lifting nut 403 is uniformly and fixedly connected with guide blocks 408 corresponding to the guide rods 201, the corresponding guide blocks 408 are slidably connected with the guide rods 201, the outer side of each guide block 408 is fixedly connected with a first rotating seat 409, and the connecting rod 404 is hinged between.

A rubber protection pad 202 is fixed to the upper surface of the placing table 2.

Example 2

The difference from embodiment 1 is that the following is also included:

the measuring mechanism 3 comprises a sliding rod 301, a U-shaped frame 302, a rail block 303 and a measuring rod 304, a sliding groove 305 is arranged in the placing table 2, the sliding rod 301 is connected in the sliding groove 305 in a sliding mode, the U-shaped frame 302 is fixedly connected to the head of the sliding rod 301, the opening of the U-shaped frame 302 points to the placing table 2, a second rotary seat 306 is fixedly connected to the bottom of the U-shaped frame 302, the second rotary seat 306 is rotatably connected to the top of a connecting rod 404, rail grooves 307 are symmetrically arranged on the upper side plate and the lower side plate of the U-shaped frame 302, the rail block 303 is slidably connected in the rail grooves 307, a rotating roller 308 is rotatably connected between the rail blocks 303, the measuring rod 304 is slidably connected to the vertical plate of the U-shaped frame 302, a butting seat 309 is fixedly connected to one end, close to the placing table 2, one side, close to the butting seat 309, close to the rotating roller 308, is arc-shaped and matched with the.

The measuring rod 304 is provided with a groove-type scale 311.

The utility model discloses a concrete implementation does:

during the use, place the filter lens that will wait to detect on placing platform 2, rubber protection pad 202 can play the guard action to the lens, it rotates to drive pivot 402 through knob 407, thereby drive bevel gear 406 rotates and drives driven bevel gear 405 and screw rod 401 and rotate, because lift nut 403 leads spacingly through the cooperation of guide bar 201 and guide block 408, thereby when screw rod 401 rotates, lift nut 403 vertical movement, when lift nut 403 moves down, drive each measuring mechanism 3 and be close to placing platform 2 in step, thereby each commentaries on classics roller 308 carries out the centre gripping fixedly to the lens in circumference.

Because the lens has possible radial run-out, the length of each measuring rod 304 extends out of tolerance, the reading on each measuring rod 304 can be read through the scale mark 311, the difference value between the maximum reading and the minimum reading is the maximum radial run-out tolerance of the lens, whether the roundness of the lens is qualified or not can be judged according to the maximum radial run-out tolerance, the lens can be placed at different angles, and therefore multiple measurements can be carried out.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (4)

1. The utility model provides a rounding strip circularity measuring apparatu for producing light filter which characterized in that: comprises a seat board (1), a placing table (2), a measuring mechanism (3) and a lifting mechanism;

the lower surface of the seat plate (1) is fixedly connected with a rectangular supporting bottom frame (101);

the placing table (2) is arranged right above the seat plate (1), and guide rods (201) are uniformly and fixedly connected with the placing table (2) and the circumference of the upper surface of the seat plate (1);

the circumference of the measuring mechanism (3) is arranged on the periphery of the placing table (2) and is in sliding connection with the placing table (2);

the lifting mechanism comprises a screw rod (401), a rotating shaft (402), a lifting nut (403) and a connecting rod (404), the screw rod (401) is rotatably connected between the placing table (2) and the seat plate (1), the bottom of the screw rod (401) extends out of the lower surface of the seat plate (1) and is fixedly connected with a driven bevel gear (405), the rotating shaft (402) is rotatably connected with a right side plate of the supporting bottom frame (101), the left end of the rotating shaft (402) is fixedly connected with a driving bevel gear (406) meshed with the driven bevel gear (405), the right end of the rotating shaft (402) is fixedly connected with a knob (407), the lifting nut (403) is meshed with the screw rod (401), guide blocks (408) corresponding to the guide rods (201) are uniformly and fixedly connected with the periphery circumference of the lifting nut (403), the corresponding guide blocks (408) are slidably connected with the guide rods (201), and a first rotary seat (409) is fixedly connected with the outer side of each guide block, the connecting rod (404) is hinged between the first swivel base (409) and the measuring mechanism (3).

2. The rounding bar roundness measuring apparatus for producing optical filters according to claim 1, wherein: the upper surface of the placing table (2) is fixedly connected with a rubber protection pad (202).

3. The rounding bar roundness measuring apparatus for producing optical filters according to claim 1, wherein: the measuring mechanism (3) comprises a sliding rod (301), a U-shaped frame (302), a track block (303) and a measuring rod (304), a sliding groove (305) is formed in the placing table (2), the sliding rod (301) is connected in the sliding groove (305) in a sliding mode, the U-shaped frame (302) is fixedly connected to the head of the sliding rod (301), the opening of the U-shaped frame (302) points to the placing table (2), a second rotating seat (306) is fixedly connected to the bottom of the U-shaped frame (302), the second rotating seat (306) is rotatably connected to the top of a connecting rod (404), track grooves (307) are symmetrically formed in the upper side plate and the lower side plate of the U-shaped frame (302), the track block (303) is connected in the track grooves (307) in a sliding mode, a rotating roller (308) is rotatably connected between the track blocks (303), the measuring rod (304) is connected with the vertical plate of the U-shaped frame (302) in a sliding mode, a butting seat (309) is arranged at one, one side of the abutting seat (309) close to the rotating roller (308) is arc-shaped and matched with the rotating roller (308), and an abutting spring (310) is sleeved on the measuring rod (304) between the abutting seat (309) and the vertical plate of the U-shaped frame (302).

4. The rounding bar roundness measuring apparatus for producing optical filters according to claim 3, wherein: the measuring rod (304) is provided with groove-type scale marks (311).

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