CN206160854U - Micrometer automatic verification device - Google Patents

Micrometer automatic verification device Download PDF

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Publication number
CN206160854U
CN206160854U CN201621165591.9U CN201621165591U CN206160854U CN 206160854 U CN206160854 U CN 206160854U CN 201621165591 U CN201621165591 U CN 201621165591U CN 206160854 U CN206160854 U CN 206160854U
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China
Prior art keywords
micrometer
base
grating
big
microdrum
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Expired - Fee Related
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CN201621165591.9U
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Chinese (zh)
Inventor
陈旺达
徐志玲
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China Jiliang University
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China Jiliang University
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Priority to CN201621165591.9U priority Critical patent/CN206160854U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a micrometer automatic verification device, including the base, still include: moving platform sets up on the base, first anchor clamps set up on the base for the microdrum of fixed micrometer, the second anchor clamps set up on moving platform for the micrometer frame of fixed micrometer, an information acquisition mechanism sets up on the base for gather the scale mark information of micrometer, the 2nd information acquisition mechanism sets up on moving platform for gather the shadow image of micrometer, rotary mechanism including big, small turntable and rotating electrical machines, sets up on the base, rotary mechanism be used for driving the rotation of micrometer microdrum, grating chi displacement sensor mechanism sets up on the base right side, including scale grating, support frame and indication light bars. The utility model discloses the device utilizes high accuracy grating chi displacement sensor to replace the slip gauge as calibrating installation's standard value, to have improved the examination degree of accuracy as a result, improved calibration operation efficiency, improved examination process automation degree.

Description

A kind of micrometer automatic calibrator
Technical field
The present invention relates to a kind of calibrating installation, more particularly to a kind of micrometer automatic calibrator.
Background technology
Micrometer, is a kind of fine measuring instrument for measuring length value also known as micrometer caliper, micrometer, compares vernier calliper Chi is more accurate.Micrometer is by gage button, micrometric screw, chi frame, locking device, heat-proof device, fixes sleeve, microdrum and dynamometry Device is constituted.Micrometer generally can be used to measure the length and external diameter of object.At present the precision of micrometer can be as accurate as thousand / mono- millimeter, wherein needing that last decimal is carried out to estimate reading.
Micrometer is one of most widely used measurer in high accuracy processing manufacturing industry, and its accuracy directly affects part Dimensional accuracy, affect product quality.The current calibrating for micrometer is still adopted based on traditional artificial calibrating, is existed Calibration operation intensity big, inefficiency, manual rotation speed is uneven, by human error the weak point such as big is affected, because The confidence level of this its verification result is not very high.Design micrometer automatic calibrator can efficiently solve above-mentioned tradition calibrating The weak point of method, improves the efficiency value of calibrating, reduces the error amount of calibrating.In addition device can be straight by verification result Connect and be transferred in computer, be easy to store and process.
The patent of Application No. 201410840626.3 discloses a kind of micrometer verification system, including micrometer calibrating Platform, detent mechanism, whirligig, machine vision device and three-dimensional manipulating platform.Verification table is stepped, and high-order terrace has can be horizontal The stationary fixture of slip, low order face is used for supporting positioning micrometer screw mandrel gauge head and detent mechanism.Whirligig, machine vision dress Put and be arranged on verification table with three-dimensional manipulating platform, slip gauge clamping device is additionally provided with three-dimensional manipulating platform.The device is utilized Standard block gauge obtains current value as the standard value of calibrating by camera, compares with standard value, judges whether micrometer closes Lattice.Although device can complete whole verification process, manual operation is reduced, device is excessively complicated, the selection of standard value is still Using traditional gauge block, in long range point verification process, the splicing by polylith slip gauge is needed, and only examined and determine micrometer Graduation mark part.
The content of the invention
For the deficiency that existing detection is present, it is an object of the invention to provide a kind of high accuracy, high automation, operation letter Single micrometer calibrating installation.
For achieving the above object, the invention provides following technical scheme:A kind of micrometer automatic calibrator, including bottom Seat, it is characterised in that also include:
Mobile platform, is arranged on base, and connecting rod and bracket are included on described mobile platform;
First fixture, is arranged on base, for fixing the microdrum of micrometer;
Second fixture, is arranged on a mobile platform, for fixing the chi frame of micrometer;
First information collecting mechanism, is arranged on base, for gathering micrometer fixes sleeve and the scale on microdrum Line information;
Second information gathering mechanism, is arranged on a mobile platform, for gathering the light shadow figure picture of gage button and micrometric screw;
Rotating mechanism, is arranged on base, including electric rotating machine, traffic cycle and mini-roundabout, for driving micrometer differential The rotation of cylinder;
Grating scale displacement transducer mechanism, is arranged on base right side.
Preferably, the first described fixture includes:Big click-on mechanism, described big click-on mechanism is connected with rotating mechanism, For fixing the microdrum of micrometer;Lesser calorie grapple structure, described lesser calorie grapple structure is connected with big click-on mechanism, for fixing thousand Divide the device for measuring force of chi.
Preferably, described first information collecting mechanism includes:Mechanical cover, is fixed on base;Rotary shaft, is arranged on machine Tool enclosure;Motor, is arranged on rotary shaft one end, and axle rotation is rotated;Measuring head base, is arranged on the rotary shaft, measuring head base Moved up and down by the rotation of rotary shaft;Right gauge head, is arranged on measuring head base right half part, for gathering micrometer fixes sleeve High scale line information;Left gauge head, is arranged on measuring head base left-half, for gathering micrometer microdrum high scale line information.
Preferably, the second described fixture includes:Forming machanism, is arranged on mobile platform, for fixing micrometer holder; Rotary shaft, is arranged on forming machanism top, drives forming machanism to move up and down;Left driven pulley, is arranged in left-handed rotating shaft, drives Left-handed axis of rotation;Right driven pulley, is arranged on dextral shaft, drives dextral shaft to rotate;Driving wheel, is arranged on left driven pulley Between right driven pulley, for driving left driven pulley to rotate with right driven pulley;Motor, is arranged on driving wheel, drives driving wheel Rotate.
Preferably, the second described information gathering mechanism includes:Shadow receiver board, is arranged on a mobile platform, for adopting The shadow image of collection gage button and micrometer spiral shell;Square collimated light source, is arranged on directly over shadow receiver board, for launching vertical light Line.
Preferably, described grating scale displacement transducer mechanism includes scale grating, grating scale bracing frame and indication grating: Scale grating, is arranged on grating scale bracing frame;Indication grating, is arranged on scale grating lower section, and described indication grating passes through Connecting rod is connected with mobile platform.
Preferably, described big click-on mechanism includes:Big spring, described big spring one end is arranged on electric rotating machine; Big claw, described big claw is connected with the big spring other end, for fixing the microdrum of micrometer;Roller, is arranged on kilocalorie The other end of pawl, it is ensured that micrometer microdrum moves linearly.
Preferably, described little click-on mechanism includes:Little spring, described little spring one end is arranged on electric rotating machine; Little claw, described little claw is connected with the little spring other end, for fixing the device for measuring force of micrometer;Roller, described rolling Wheel is arranged on the other end of little claw, it is ensured that micrometer device for measuring force moves linearly.
Description of the drawings
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is rotating mechanism schematic diagram;
Fig. 3 is the schematic diagram of the first fixture;
Fig. 4 is first information collecting mechanism schematic diagram
Fig. 5 is the outward appearance structural scheme of mechanism of the second fixture;
Fig. 6 is the internal structure schematic diagram of the second fixture;
Fig. 7 is the second information gathering mechanism schematic diagram;
Fig. 8 is the connection figure of base and mobile platform.
Reference:1st, rotating mechanism;11st, electric rotating machine;12nd, traffic cycle;13rd, mini-roundabout;2nd, the first fixture;21st, it is big Click-on mechanism;211st, big spring;212nd, big claw;213rd, roller;22nd, little click-on mechanism;221st, little claw;222nd, little spring; 223rd, roller;3rd, first information collecting mechanism;31st, motor;32nd, mechanical cover;33rd, right gauge head;34th, left gauge head;35th, gauge head Seat;36th, rotary shaft;4th, the second fixture;41st, motor;42nd, rotary shaft;43rd, forming machanism;431st, top board;432nd, pad; 433rd, lower platen;44th, left driven pulley;45th, driving wheel;46th, right driven pulley;5th, grating scale displacement transducer mechanism;51st, scale light Grid;52nd, grating scale bracing frame;53rd, indication grating;6th, base;7th, micrometer;8th, the second information gathering mechanism;81st, light source is supported Frame;82nd, shadow receiver board;83rd, square collimated light source;9th, mobile platform;91st, connecting rod;92nd, bracket.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
Fig. 1-8 are referred to, the present invention provides a kind of technical scheme:A kind of micrometer automatic calibrator, including:Whirler Structure 1, the first fixture 2, first information collecting mechanism 3, the second fixture 4, grating scale displacement transducer mechanism 5, base 6, second are believed Breath collecting mechanism 8, mobile platform 9.Rotating mechanism 1 is arranged on the Far Left on base 6, order from left to right be motor 11, Traffic cycle 12 and mini-roundabout 13, three's concentric fit.First fixture 2 is connected with rotating mechanism 1, wherein big click-on mechanism 21 is installed On traffic cycle 12, a part for big spring 211 and big claw 212 inside traffic cycle 12, the one end of big spring 211 and motor 11 It is connected, the other end is connected with big claw 212, and the other end of big claw 212 is provided with the structure of roller 213.Little click-on mechanism 22 is pacified Be mounted on mini-roundabout 13, a part for little spring 222 and little claw 221 inside mini-roundabout 13, the one end of little spring 222 and motor 11 are connected, and the other end is connected with little claw 222, and the other end of little claw 221 is provided with the structure of roller 223.The first information is gathered Mechanism 3 is arranged on base 6, and on the right side of the first fixture 2, wherein mechanical cover 32 is directly installed on base 6, and rotary shaft 36 exists Inside mechanical cover 32, the lower end of rotary shaft 36 and the lower end in contact of mechanical cover 32, the upper end of rotary shaft 36 is provided with motor 31, the side of measuring head base 35 is drilled with aperture, there is screw thread in hole, coordinates with the screw thread of rotary shaft 36, and the opposite side of measuring head base 35 is equipped with 3 Gauge head, 2, the right gauge head, 1, left side gauge head.Mobile platform 9 is arranged on the rightmost of base 6, both sliding contacts, bracket 92 On the left side of the Outboard Sections of mobile platform 9, connecting rod 91 is in the centre of the right hand edge of mobile platform 9.Second fixture 4 is arranged on movement The interior half part of platform 9, lower platen 433 is arranged on mobile platform 9, is up followed successively by pad 432 and top board 431, upper pressure Plate 431 is in close contact with pad 432, and the left and right two ends of top board 431 are respectively provided with a rotary shaft 42, in every rotary shaft 42 There are left driven pulley 44 and right driven pulley 46 respectively, two driven pulleys are tapped with internal thread, coordinate with the screw thread of rotary shaft 42, two driven pulleys Between have a driving wheel 45, left driven pulley 44 and driving wheel 45 and right driven pulley 46 and driving wheel 45 are engaged respectively, and motor 41 exists On driving wheel 45.In another half part of mobile platform 9, shadow receiver board 82 is arranged on mobile flat for second information gathering mechanism 8 On platform 9, directly over shadow receiver board 82, square collimated light source 83 is fixed on two light source bracing frames 81 to square collimated light source 83 On, one end of light source bracing frame 81 is fixed on mobile platform 9.Grating scale displacement transducer mechanism 5 is arranged on the right side of base 6 Side, on the extended line of the micrometer direction of motion, one end of connecting rod 91 is connected with indication grating 53, and scale grating 51 is indicating light The top of grid 53, grating scale bracing frame 52 supports the two ends of scale grating 51.
Operation principle:First, first information collecting mechanism 3, the second information gathering mechanism 8 and grating scale displacement sensing are opened Device mechanism 5.Turn micrometer, the gage button and micrometric screw for making micrometer overlaps.Micrometer is placed in into top board 431 and lower platen Between 433, the microdrum of micrometer is extend in the big click-on mechanism 21 of the first fixture 2, and now big spring 211 is stretched, and is produced Raw elastic force, fixes microdrum.The roller 213 of big click-on mechanism 21 is contacted with the microdrum of micrometer, the moving belt of micrometer The roller of dynamic little click-on mechanism 22 is rolled, and reduces the friction size between micrometer and big claw.With the movement of micrometer, survey Power apparatus are extend in the little click-on mechanism 22 of the first fixture 2, and now little spring 222 is stretched, and produce elastic force, fixed dynamometry dress Put.The roller 223 of little click-on mechanism 22 is contacted with the device for measuring force of micrometer, the mobile drive lesser calorie pawl mechanism 22 of micrometer Roller is rolled, and reduces the friction size between micrometer device for measuring force and little claw 221.When micrometer holder and mobile platform 9 The one side contact of bracket 92, stops movement, completes to fix work.Motor 41 in second fixture 4 drives driving wheel 45, Zuo Cong Driving wheel 44 and right driven pulley 46 are rotated, and two rotary shafts 42 are rotated, and upper holder block 431 declines, the chi frame of fixed micrometer.First letter The motor 31 of breath collecting mechanism 3 is rotated axle 36, declines measuring head base 35, right gauge head 33 and left gauge head 34, until all surveys The bottom of head just contacts with micrometer surface, and the left side face of right gauge head 33 overlaps with the micrometer microdrum right side, all surveys The position of head is in the middle of micrometer graduation mark.The motor 11 in rotating mechanism 1 is opened, traffic cycle 12 and mini-roundabout 13 drive thousand points Chi microdrum and device for measuring force are rotated, and micrometer holder and mobile platform 9 move right, and connecting rod 91 promotes indication grating 53 same Moved further, device reaches first calibrating point.Grating rule displacement sensor numerical value is passed to PC ends, used as standard value.First letter Right gauge head 33 and left gauge head 34 in breath collecting mechanism 3 is gathered respectively in moving process in fixes sleeve and microdrum through gauge head Graduation mark bar number and three gauge heads with respect to the distance that micrometer is moved, information is passed to into PC ends, using related algorithm Draw numerical value.Shadow receiver board 82 in second information gathering mechanism 8 is passed on the light shadow figure picture of gage button and micrometric screw PC ends, using image algorithm distance between gage button and micrometric screw is calculated.The numerical value that Liang Ge information gatherings mechanism draws and mark Quasi- value is compared, and judges whether micrometer is qualified.This example replaces handmade rotary using motor, it is ensured that whole rotation process The size of power and velocity of rotation it is constant, read micrometer graduation mark numerical value using sensor, reduce manual operation.Whole dress The calibrating high degree of automation put, human error is little, and calibrating efficiency is high.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention And modification, the scope of the present invention be defined by the appended.

Claims (8)

1. a kind of micrometer automatic calibrator, including base (6), it is characterised in that also include:Mobile platform (9), is arranged on On base (6), connecting rod (91) and bracket (92) are provided with described mobile platform (9);
First fixture (2), is arranged on base (6), for fixing the microdrum of micrometer;
Second fixture (4), is arranged on mobile platform (9), for fixing the chi frame of micrometer;
First information collecting mechanism (3), is arranged on base (6), for gathering micrometer fixes sleeve and the quarter on microdrum Degree line information;
Second information gathering mechanism (8), is arranged on mobile platform (9), for gathering the light shadow figure picture of gage button and micrometric screw;
Rotating mechanism (1), is arranged on base (6), and described rotating mechanism (1) is including electric rotating machine (11), traffic cycle (12) With mini-roundabout (13), for driving the rotation of micrometer microdrum;
Grating scale displacement transducer mechanism (5), is arranged on base (6) right side.
2. a kind of micrometer automatic calibrator according to claim 1, it is characterised in that described the first fixture (2) Including:
Big click-on mechanism (21), described big click-on mechanism (21) is connected with rotating mechanism (1), for fixing the differential of micrometer Cylinder;
Lesser calorie grapple structure (22), described lesser calorie grapple structure (22) is connected with big click-on mechanism (21), for fixing micrometer Device for measuring force.
3. a kind of micrometer automatic calibrator according to claim 1, it is characterised in that described first information collection Mechanism (3) includes:
Mechanical cover (32), is fixed on base (6);
Rotary shaft (36), is arranged on mechanical cover (32) internal;
Motor (31), is arranged on rotary shaft (36) one end, and described motor (31) is rotated for axle (36) is rotated;
Measuring head base (35), is arranged in rotary shaft (36), and measuring head base (35) is moved up and down by the rotation of rotary shaft (36);
Right gauge head (33), is arranged on measuring head base (35) right half part, for gathering micrometer fixes sleeve high scale line information;
Left gauge head (34), is arranged on measuring head base (35) left-half, for gathering micrometer microdrum high scale line information.
4. a kind of micrometer automatic calibrator according to claim 1, it is characterised in that described the second fixture (4) Including:
Forming machanism (43), is arranged on mobile platform (9), for fixing micrometer holder;
Rotary shaft (42), is arranged on forming machanism (43) top, drives forming machanism (43) to move up and down;
Left driven pulley (44), is arranged in left-handed rotating shaft (42), drives left-handed rotating shaft (42) to rotate;
Right driven pulley (46), is arranged on dextral shaft (42), drives dextral shaft (42) to rotate;
Driving wheel (45), is arranged between left driven pulley (44) and right driven pulley (46), for driving left driven pulley (44) with the right side Driven pulley (46) is rotated;
Motor (41), is arranged on driving wheel (45), drives driving wheel (45) to rotate.
5. a kind of micrometer automatic calibrator according to claim 1, it is characterised in that the second described information gathering Mechanism (8) includes:
Shadow receiver board (82), is arranged on mobile platform (9), for gathering the shadow image of micrometer gage button and micrometer spiral shell;
Square collimated light source (83), is arranged on directly over shadow receiver board (82), for launching vertical light.
6. a kind of micrometer automatic calibrator according to claim 1, it is characterised in that described grating scale displacement is passed Sensor mechanism includes scale grating (51), grating scale bracing frame (52) and indication grating (53):
Scale grating (51), is arranged on grating scale bracing frame (52);
Indication grating (53), is arranged on scale grating (51) lower section, and described indication grating (53) is by connecting rod (91) and shifting Moving platform (9) is connected.
7. a kind of micrometer automatic calibrator according to claim 2, it is characterised in that described big click-on mechanism (21) include:
Big spring (211), described big spring (211) one end is arranged on electric rotating machine (11);
Big claw (212), described big claw (212) is connected with big spring (211) other end, for fixing the differential of micrometer Cylinder;
Roller (213), is arranged on the other end of big claw (212), it is ensured that micrometer microdrum moves linearly.
8. a kind of micrometer automatic calibrator according to claim 2, it is characterised in that described little click-on mechanism (22) include:
Little spring (222), described little spring (222) one end is arranged on electric rotating machine (11);
Little claw (221), described little claw (221) is connected with little spring (222) other end, for fixing the dynamometry of micrometer Device;
Roller (223), described roller (223) is arranged on the other end of little claw (221), it is ensured that micrometer device for measuring force straight line It is mobile.
CN201621165591.9U 2016-10-25 2016-10-25 Micrometer automatic verification device Expired - Fee Related CN206160854U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621165591.9U CN206160854U (en) 2016-10-25 2016-10-25 Micrometer automatic verification device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621165591.9U CN206160854U (en) 2016-10-25 2016-10-25 Micrometer automatic verification device

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Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106568358A (en) * 2016-10-25 2017-04-19 中国计量大学 Micrometer automatic calibration device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106568358A (en) * 2016-10-25 2017-04-19 中国计量大学 Micrometer automatic calibration device

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170510

Termination date: 20171025

CF01 Termination of patent right due to non-payment of annual fee