CN215865107U

CN215865107U - Green ray diameter measuring instrument

Info

Publication number: CN215865107U
Application number: CN202122396918.0U
Authority: CN
Inventors: 吴昌盛
Original assignee: Guangzhou Dingshengyi Electronic Technology Co ltd
Current assignee: Guangzhou Dingshengyi Electronic Technology Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-02-18
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a green ray diameter measuring instrument which comprises a base, wherein one end of the top of the base is provided with a receiver, the other end of the top of the base is provided with a transmitter, one sides of the receiver and the transmitter, which are close to each other, are respectively provided with a measuring head, a measuring light area is formed between the receiver and the transmitter, the measuring head is detachably provided with a protection mechanism, one end inside the receiver is provided with a CMOS (complementary metal oxide semiconductor) display camera, a light beam splitter is arranged in the receiver at one side of the CMOS display camera, an HL-CCD (high-level charge coupled device) is arranged in the receiver below the light beam splitter, the other end inside the receiver is provided with a W telecentric optical lens, one end inside the transmitter is provided with a light source, the other end inside the transmitter is provided with a standard mirror, and a diffuser is arranged in the transmitter between the standard mirror and the light source. The utility model realizes high-precision measurement by arranging a series of structures and adopting the W telecentric optical lens only imaging parallel light; good durability, reliable operation, clean measuring head, convenient disassembly and assembly, and stronger practicability.

Description

Green ray diameter measuring instrument

Technical Field

The utility model relates to the technical field of diameter gauges, in particular to a green ray diameter gauge.

Background

The diameter measuring instrument can be used for measuring the diameter information of various rolled stocks on line, and can be used for measuring the information contents of maximum diameter, minimum diameter, average diameter, ellipticity and the like on line, and the diameter measuring instrument can be divided into a laser scanning diameter measuring instrument, a CCD projection diameter measuring instrument and a laser diffraction diameter measuring instrument, wherein the former two instruments belong to the optical geometric principle, and the latter instrument utilizes the laser diffraction principle. The diameter measuring instrument is widely applied to various industries such as electric wires and cables, enameled wires, metal wires, PVC pipes, medical instruments and the like. The on-line detection and the off-line detection can be realized, and the automatic feedback control and the on-line communication with a computer can be realized. The caliper industry has evolved into rotatable calipers and hand-held calipers.

At present, a laser beam of a diameter measuring instrument is projected onto a rotating polygon prism, reflected light scans a measuring range and then reaches a receiving element, and a motor must rotate at a higher speed to improve the speed and the precision, so that the requirements on the durability and the reliability are higher; and the naked surface of calibrator measuring head, accumulate dust, dust easily, cause the interference to measuring, the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a green ray caliper to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a green glow diameter measuring instrument, includes the base, the one end at base top is equipped with the receiver, the other end at base top is equipped with the transmitter, one side that receiver and transmitter are close to mutually all is equipped with the measuring head, form between receiver and the transmitter and measure the light zone, can dismantle on the measuring head and be equipped with protection machanism, the inside one end of receiver is equipped with CMOS display camera, is equipped with the beam splitter in the receiver of CMOS display camera one side, be equipped with HL-CCD in the receiver of beam splitter below, the inside other end of receiver is equipped with W telecentric optical lens, the inside one end of transmitter is equipped with the light source, the inside other end of transmitter is equipped with the standard mirror, be equipped with scatterer in the transmitter between standard mirror and the light source.

Preferably, the light source is arranged by using a high-brightness InGaN green LED lamp.

Preferably, protection machanism includes protection casing, linear guide module and cleaning head, and the protection casing passes through dismouting mechanism and the installation of calliper appearance, and the inside of protection casing is located to the measuring head, and one side of the inside of protection casing is equipped with the linear guide module, is equipped with the connecting block on the linear guide module, and the one end of connecting block is equipped with the cleaning head, is equipped with cleaning mechanism on the protection casing.

Preferably, the cleaning mechanism comprises a fan, an air inlet and a filter screen, an air outlet is formed in one side of the protective cover, the fan is arranged inside the air outlet, the air inlet is formed in the other side of the protective cover, and the filter screen is arranged in the protective cover between the air inlet and the cleaning head.

Preferably, dismouting mechanism includes inserted block, recess, spring, locating lever and press the depression bar, and one side of protection casing is equipped with the inserted block, is equipped with the locating hole on the inserted block, is equipped with the recess in receiver and the transmitter of slot below, and the interior bottom of recess is equipped with the spring, and the top of spring is equipped with the locating lever, and in the locating hole was located to the locating lever, the one end of locating lever was equipped with the depression bar, runs through the recess setting at the top of depression bar.

Preferably, the one end of receiver and transmitter all is equipped with the slot, and the inserted block is located inside the slot.

Preferably, one side of the cleaning head is in contact with the outer surface of the measuring head, and the cleaning head is arranged by adopting a soft cleaning brush.

Compared with the prior art, the utility model has the beneficial effects that:

1. compared with the traditional diameter measuring equipment, the green ray diameter measuring instrument adopts the W telecentric optical lens which only images parallel light, and even if the position between an object and the lens is changed, the image size on the CMOS can not be changed, so that high-precision measurement can be realized; the high-brightness InGaN green LED and the W telecentric optical lens can help achieve double speed and precision of a conventional micrometer, a motor-free structure and a long service life ensure excellent durability, and long-time reliable operation is kept.

2. This green glow diameter gauge, through setting up the protection machanism on the measuring head, fan and filter screen cooperation, clean air current acts on the measuring head to and the cleaning head passes through linear guide module reciprocating motion, clean the measuring head, keeps the clean of measuring head, avoids dust, dust to gather and causes the measurement deviation on the measuring head surface, and the protectiveness is better.

3. This green ray diameter gauge through the dismouting mechanism of setting on the protection casing, and the inserted bar on the protection casing inserts in the slot of diameter gauge to fix a position the inserted bar through the locating lever, realize the demountable installation of protection mechanism and diameter gauge, the grafting installation, dismantle convenient, use is nimble.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of a receiver according to the present invention;

FIG. 3 is a schematic view of a measuring head according to the present invention;

FIG. 4 is an enlarged view of a portion of the utility model at A in FIG. 3;

fig. 5 is a schematic structural diagram of the protection mechanism of the present invention.

In the figure: 1. a base; 2. a receiver; 21. a CMOS display camera; 22. a beam splitter; 23. HL-CCD; 24. w telecentric optics lens; 3. a transmitter; 31. a light source; 32. a diffuser; 33. a standard mirror; 4. a measuring head; 5. measuring a light area; 6. a protection mechanism; 61. a protective cover; 62. a linear guide rail module; 63. connecting blocks; 64. a cleaning head; 65. a fan; 66. an air inlet; 67. a filter screen; 7. inserting a block; 8. a groove; 9. a spring; 10. positioning a rod; 11. the lever is pressed.

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 "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; 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.

Examples

As shown in fig. 1 to 5, the green ray diameter measuring instrument of the embodiment includes a base 1, a receiver 2 is disposed at one end of the top of the base 1, an emitter 3 is disposed at the other end of the top of the base 1, connecting cables are disposed on the receiver 2 and the emitter 3, a measuring head 4 is disposed at one side of the receiver 2 close to the emitter 3, a measuring light area 5 is formed between the receiver 2 and the emitter 3, a protection mechanism 6 is detachably disposed on the measuring head 4, a CMOS display camera 21 is disposed at one end of the inside of the receiver 2, a beam splitter 22 is disposed in the receiver 2 at one side of the CMOS display camera 21, an HL-CCD23 is disposed in the receiver 2 below the beam splitter 22, a W telecentric optical lens 24 is disposed at the other end of the inside of the receiver 2, a light source 31 is disposed at one end of the inside of the emitter 3, a standard mirror 33 is disposed at the other end of the inside of the emitter 3, a diffuser 32 is disposed in the emitter 3 between the standard mirror 33 and the light source 31, compared with the traditional diameter measuring equipment, the diameter measuring instrument adopts the W telecentric optical lens 24 which only images parallel light, and even if the position between an object and the lens is changed, the size of an image on a CMOS (complementary metal oxide semiconductor) can not be changed, so that high-precision measurement can be realized; the high brightness InGaN green LED and the W telecentric optics lens 24 can help achieve the double speed and accuracy of conventional micrometers, the motorless structure and long service life ensure excellent durability, maintaining long-term reliable operation.

Specifically, the light source 31 is a high-brightness InGaN green LED lamp, and has three characteristics of uniform light intensity, high noise resistance and safety to human eyes.

Further, protection machanism 6 includes protection casing 61, linear guide module 62 and cleaning head 64, protection casing 61 is through dismouting mechanism and the installation of calibrating, protection casing 61's inside is located to measuring head 4, the inside one side of protection casing 61 is equipped with linear guide module 62, be equipped with connecting block 63 on the linear guide module 62, the one end of connecting block 63 is equipped with cleaning head 64, be equipped with cleaning machanism on protection casing 61, it is clean to measuring head 4, keep measuring head 4's cleanness, avoid dust, the dust is gathered and is caused the measurement deviation on measuring head 4 surface, the protectiveness is better.

Further, the cleaning mechanism comprises a fan 65, an air inlet 66 and a filter screen 67, an air outlet is arranged on one side of the protective cover 61, the fan 65 is arranged inside the air outlet, the air inlet 66 is arranged on the other side of the protective cover 61, the filter screen 67 is arranged in the protective cover 61 between the air inlet 66 and the cleaning head 64, and cleaning air flow acts on the measuring head 4 to perform cleaning treatment.

Further, dismouting mechanism includes inserted block 7, recess 8, spring 9, locating lever 10 and press the depression bar 11, one side of protection casing 61 is equipped with inserted block 7, be equipped with the locating hole on the inserted block 7, the one end of receiver 2 and transmitter 3 all is equipped with the slot, inside slot is located to inserted block 7, be equipped with recess 8 in receiver 2 and the transmitter 3 of slot below, the interior bottom of recess 8 is equipped with spring 9, spring 9's top is equipped with locating lever 10, locating lever 10 is located in the locating hole, the one end of locating lever 10 is equipped with press the depression bar 11, it sets up to run through recess 8 at the top of press the depression bar 11, realize the demountable installation of protection mechanism 6 and callipers, the grafting installation, the dismantlement is convenient, and the use is nimble.

Furthermore, one side of the cleaning head 64 is disposed in contact with the outer surface of the measuring head 4, and the cleaning head 64 is disposed using a soft cleaning brush, so that the measuring head 4 is less worn.

The using method of the embodiment comprises the following steps: when a workpiece is measured, a light source 31 arranged on a high-brightness InGaN green LED lamp emits measuring light, the measuring light passes through a diffuser 32 and a standard mirror 33, LED light rays of green GaN are emitted as uniform light beams, a W telecentric optical lens 24, an HL-CCD23 and a beam splitter 22 in a receiver 2 only allow parallel light rays to enter to form an image, accurate measurement is ensured, a subminiature CMOS display camera 21 can capture a real image of a measuring point, and the workpiece is placed in a measuring light area 5 for size measurement; after the diameter measuring instrument is used, the protective cover 61 is installed on the diameter measuring instrument through the dismounting mechanism, the measuring head 4 is protected by the protective cover 61, under the action of the fan 65, external air enters the protective cover 61 from the air inlet 66, is filtered by the filter screen 67 and then acts on the surface of the measuring head 4, meanwhile, the linear guide rail module 62 drives the connecting block 63 and the cleaning head 64 to reciprocate in the protective cover 61, the surface of the measuring head 4 is cleaned by the cleaning head 64, and the cleanness of the measuring head 4 is kept; the inserted block 7 inserts inside the slot of calliper appearance, the locating lever 10 supports under the spring 9 of recess 8, the locating lever 10 inserts in the locating hole of inserted block 7, realize the installation of protection casing 61 and calliper appearance, through pressing down the push rod 11, compress the spring 9 in the recess 8, locating lever 10 and locating hole separation, thereby dismantle protection casing 61 and calliper appearance, realize the demountable installation of protection machanism 6 and calliper appearance, the grafting installation, it is convenient to dismantle, and is flexible to use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a green ray calibrator, includes base (1), its characterized in that: the device is characterized in that a receiver (2) is arranged at one end of the top of the base (1), a transmitter (3) is arranged at the other end of the top of the base (1), a measuring head (4) is arranged on one side, close to the receiver (2) and the transmitter (3), of the receiver, a measuring light area (5) is formed between the receiver (2) and the transmitter (3), a protective mechanism (6) is detachably arranged on the measuring head (4), a CMOS (complementary metal oxide semiconductor) display camera (21) is arranged at one end of the inside of the receiver (2), a light beam splitter (22) is arranged in the receiver (2) on one side of the CMOS display camera (21), an HL-CCD (23) is arranged in the receiver (2) below the light beam splitter (22), a W telecentric optical lens (24) is arranged at the other end of the inside of the receiver (2), and a light source (31) is arranged at one end of the inside of the transmitter (3), the other end of the inside of the emitter (3) is provided with a standard mirror (33), and a scatterer (32) is arranged in the emitter (3) between the standard mirror (33) and the light source (31).

2. The green caliper of claim 1, wherein: the light source (31) is arranged by adopting a high-brightness InGaN green LED lamp.

3. The green caliper of claim 1, wherein: protection machanism (6) are including protection casing (61), linear guide module (62) and cleaning head (64), and protection casing (61) are through dismouting mechanism and the installation of calibrating, and the inside of protection casing (61) is located in measuring head (4), and one side of protection casing (61) inside is equipped with linear guide module (62), is equipped with connecting block (63) on linear guide module (62), and the one end of connecting block (63) is equipped with cleaning head (64), is equipped with clean mechanism on protection casing (61).

4. The green caliper of claim 3, wherein: clean mechanism includes fan (65), air intake (66) and filter screen (67), and one side of protection casing (61) is equipped with the air outlet, and the inside of air outlet is equipped with fan (65), and the opposite side of protection casing (61) is equipped with air intake (66), is equipped with filter screen (67) in protection casing (61) between air intake (66) and cleaning head (64).

5. The green caliper of claim 3, wherein: the dismouting mechanism includes inserted block (7), recess (8), spring (9), locating lever (10) and press depression bar (11), one side of protection casing (61) is equipped with inserted block (7), be equipped with the locating hole on inserted block (7), be equipped with recess (8) in receiver (2) and the transmitter (3) of slot below, the interior bottom of recess (8) is equipped with spring (9), the top of spring (9) is equipped with locating lever (10), locating lever (10) are located in the locating hole, the one end of locating lever (10) is equipped with press depression bar (11), the top of pressing depression bar (11) is run through recess (8) and is set up.

6. The green caliper of claim 5, wherein: the one end of receiver (2) and transmitter (3) all is equipped with the slot, inside the slot was located in inserted block (7).

7. The green caliper of claim 4, wherein: one side of cleaning head (64) and the surface contact setting of measuring head (4), cleaning head (64) adopt soft cleaning brush to set up.