CN102679928A - One-dimension measuring head with anti-collision protection and automatic steering functions - Google Patents
One-dimension measuring head with anti-collision protection and automatic steering functions Download PDFInfo
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- CN102679928A CN102679928A CN2012101782153A CN201210178215A CN102679928A CN 102679928 A CN102679928 A CN 102679928A CN 2012101782153 A CN2012101782153 A CN 2012101782153A CN 201210178215 A CN201210178215 A CN 201210178215A CN 102679928 A CN102679928 A CN 102679928A
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- gauge head
- measuring head
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- ball bearing
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- 238000005859 coupling reaction Methods 0.000 claims description 9
- 239000000696 magnetic material Substances 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000001174 ascending effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 230000009979 protective mechanism Effects 0.000 abstract 2
- 238000001514 detection method Methods 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
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Abstract
The invention belongs to the technical field of precision measurement, particularly to a one-dimension measuring head with anti-collision protection and automatic steering functions, which solves the problems of the prior art that as the existing one-dimension measuring head has a complex profile steering problem, the measuring efficiency is low and the measuring head is easily damaged by collision during the debugging or measuring process. The invention adopts the technical scheme that the one-dimension measuring head with the anti-collision protection and automatic steering functions includes a one-dimension measuring head assembly, an anti-collision protective mechanism and a steering mechanism, wherein the anti-collision protective mechanism includes a movable block, a fixed block, a connecting plate and a pair of leaf springs that are arranged in a sleeve; and the one-dimension measuring head assembly is fixedly connected onto the measuring head connecting plate. The one-dimension measuring head has simple structure, quick external force response and wide application range, is reliable to work, and can be widely applied to the contact detection under all sorts of environments.
Description
Technical field
The invention belongs to the Technology of Precision Measurement field, be specifically related to a kind of one dimension gauge head with Anti-bumping protection and auto-steering function.
Background technology
Mechanical generate and two stages of electronics generate have mainly been experienced in the development of gear measurement machine.No matter be touch trigger probe or scan-type gauge head, all be to adopt contact type probe to contact to gather point with measured workpiece, carry out data processing then, and then obtain the position or the shape information of measured workpiece.Based on the gear measuring center of electronics generate, carry out compound motion through digital control system control multiaxis, can carry out accurate ratio transmission, thereby reach degree of precision.With respect to external gear measuring center, domestic gap one of mainly shows and to be: adopt one dimension gauge head measuring technique, the domestic development of the measurement correction technique of three dimensional probe, 3-D probe is not enough more.And the one dimension inductance probe; Need to change the gauge head sensitive direction in the measuring process; And in the axial feed direction is rigidity, occurs the impingement phenomenon of chaining pin and workpiece in the Survey Software debug process or under the improper situation of measuring operation easily, causes chaining pin to fracture and the sensor damage.In addition, because when prototype gear cutter etc. had comparatively complicated shape face, the one dimension gauge head needed the manual adjustment sensitive direction, causes efficiency of measurement lower.Only adopt reed protection probe in the United States Patent (USP) 4720922; In Chinese patent ZL200420018875.6, manually realize commutation function through pivoted housing; The switching-over angle is according to the scale on the sleeve, and the axial sender of its axial triggering for generating plays location and protective effect, and the problem of existence is: have manual reverse of direction mechanism; The switching-over angle is according to scale, and efficiency of measurement is lower.
Summary of the invention
The technical matters that the present invention will solve provides a kind of one dimension gauge head with Anti-bumping protection and auto-steering function; Effectively solve the problem of one dimension gauge head complicated surface switching-over; Improve efficiency of measurement; In debugging or measuring process, solve the problem that bump damages gauge head simultaneously, play the purpose of protection gauge head.
The technical scheme that the present invention adopts is: the one dimension gauge head of band Anti-bumping protection and auto-steering function; Comprise one dimension gauge head assembly, Anti-bumping protection mechanism and reverse mechanism; Said Anti-bumping protection structure comprises the motion block that is arranged in the sleeve, decides piece, web joint and a pair of spring; One dimension gauge head assembly is fixedly connected on the gauge head web joint, it is characterized in that: above-mentionedly decide the piece inboard and be provided with permanent magnet, this web joint end is provided with piece of magnetic material; Permanent magnet and piece of magnetic material adhesive are provided with; Said end of deciding piece is fixedly connected with the web joint that turns to that is parallel to the gauge head web joint, turns to the other end of web joint to be provided with near switch, is arranged near the switch correspondence beyond the end of motion block.
Said commutating structure comprises the shell that axially is connected in sleeve rear end; The shell middle part axially is provided with the shoulder hole of the ascending setting of perforation; Be disposed with angular contact ball bearing assembly, thrust ball bearing assembly, shaft coupling and compression spring in the shoulder hole; Stepper motor is arranged at the outside, end of shell; Rotating shaft is arranged in angular contact ball bearing assembly and the thrust ball bearing assembly, and the rotating shaft of thrust ball bearing assembly one side is connected with stepper motor through shaft coupling, and the rotating shaft of angular contact ball bearing assembly one side is connected with turning to web joint.
Be provided with through wires hole in the above-mentioned shell.
The present invention adopts anticollision mechanism and automatic reversing mechanism, and the one dimension gauge head is integrated in this device, not only improved the performance that the one dimension gauge head is measured, and this design apparatus principle can significantly improve the efficient and the accuracy rate of gear measurement.The present invention has following advantage and effect with respect to prior art:
1) simple in structure; Have Anti-bumping protection function and automatic reverse function simultaneously, thereby the bump that can eliminate gauge head and workpiece reaches the protection purpose, automatic reversing mechanism can improve efficiency of measurement, reduces human intervention.
2) the external force-responsive of gauge head is fast rapidly, reliable operation.
3) motion block relies on permanent magnet magnetic force and decides piece and inhale mutually; Utilize the stability of chaining pin in the non-linear assurance course of normal operation of magnetic force; Magnetic force can reduce rapidly along with the increase of displacement when meeting accident collision, and the suffered impact of gauge head descends rapidly, realizes the protection to gauge head.
4) the stressed motion block that makes of gauge head sends signal near switch near near switch the time, moves after making whole anti-collision protection device, guarantees that further gauge head is not damaged.
5) detect when having the workpiece of complicated surface, do not need the manual adjustment sensitive direction,, reach the purpose of accurate adjustment probe sensitive direction through sending the instruction control anglec of rotation to motor.
6) scope of application is extensive, and the contact that can be widely used under the various environment detects.
Description of drawings
Fig. 1 is the example structure synoptic diagram.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the A-A cut-open view of Fig. 1.
Among the figure, 1-decides piece, 2-motion block, 3-web joint, 4-sheet spring; The 5-sleeve, the 6-permanent magnet, the 7-piece of magnetic material, 8-turns to web joint, and 9-is near switch; 10-angular contact ball bearing assembly, 11-thrust ball bearing assembly, 12-rotating shaft, 13-compression spring; The 14-shaft coupling, 15-stepper motor, 16-through wires hole, 17-shell.
Embodiment
Describe the present invention through specific embodiment below.
Referring to Fig. 1-Fig. 3; The one dimension gauge head of band Anti-bumping protection and auto-steering function; Comprise one dimension gauge head assembly, Anti-bumping protection mechanism and reverse mechanism; Said Anti-bumping protection structure comprises the motion block 2 that is arranged in the sleeve 5, decides piece 1, web joint 3 and a pair of spring 4, and one dimension gauge head assembly is fixedly connected on gauge head web joint 3.Saidly decide piece 1 inboard and be provided with permanent magnet 6; These web joint 3 ends are provided with piece of magnetic material 7; Permanent magnet 6 and piece of magnetic material 7 adhesive settings; Said end of deciding piece 1 be fixedly connected be parallel to gauge head web joint 3 turn to web joint 8, turn to the other end of web joint 8 to be provided with near switch 9, be arranged at beyond the end of motion block 2 near switch 9 correspondences.
Said commutating structure comprises the shell 17 that axially is connected in sleeve 5 rear ends; Shell 17 middle parts axially are provided with the shoulder hole of the ascending setting of perforation; Be disposed with angular contact ball bearing assembly 10, thrust ball bearing assembly 11, shaft coupling 14 and compression spring 13 in the shoulder hole; Stepper motor 15 is arranged at the outside, end of shell 17; Rotating shaft 12 is arranged in angular contact ball bearing assembly 10 and the thrust ball bearing assembly 11, and the rotating shaft 12 of thrust ball bearing assembly 11 1 sides is connected with stepper motor 15 through shaft coupling 14, and the rotating shaft 12 of angular contact ball bearing assembly 10 1 sides is connected with turning to web joint 8.
Be provided with through wires hole 16 in the above-mentioned shell 17.
The inventive system comprises Anti-bumping protection mechanism and automatic reversing mechanism, Anti-bumping protection mechanism is connected with automatic reversing mechanism through turning to web joint 8, when gauge head generation bump waits Bin go; Be gauge head external force when deciding the suction of permanent magnet 6 on the piece 1, motion block 2 will with decide piece 1 and separate, sheet spring 4 flexibility strengthen; Motion block 2 approaches near switch 9; Send signal near switch 9, make and move behind the whole anti-collision protection device, the protection gauge head can not be damaged.When measurement has comparatively complicated shape face workpiece, do not need the manual adjustment sensitive direction, through send the command signal control anglec of rotation to motor, reach the purpose of adjustment sensitive direction.Stepper motor 15 is connected with rotating shaft 12 through shaft coupling 14, and rotating shaft 12 is connected with turning to web joint 8 through screw, when stepper motor 15 rotations, drives the rotation of Anti-bumping protection mechanism and gauge head, realizes the automatic reverse function.
Under normal operation, decide piece and inhale mutually by magnetic force, guarantee that gauge head is stable, can normally measure with motion block.When gauge head received axial force, the sheet spring was crooked, and permanent magnetism power reduces rapidly, when motion block moves near near switch the time, sent signal near switch, moved after making whole anti-collision protection device, guaranteed that gauge head is not damaged.
In the present embodiment, the stressed protection of said gauge head is selected for use is sheet spring 4 and permanent magnet 6 structures, two sheet springs 4 with decide piece 1 and motion block 2 and formed known hinge arrangement; The permanent magnet of deciding on the piece 16 is inhaled with the piece of magnetic material 7 on the motion block 2 mutually; Can guarantee that gauge head normally measures, and motion block of the present invention 2 with decide the creationary permanent magnet that adopted of being connected of piece 1, when gauge head bumps or during other Bin gos; Gauge head is stressed when surpassing the suction-combining force of permanent magnet 6; The permanent magnet 6 and the piece of magnetic material on the motion block 27 of deciding on the piece 1 break away from, and strengthen the displacement of motion block 2, and motion block 2 approaches near switch 9; Send signal near switch 9 whole device is moved backward, the protection gauge head prevents to cause with the measured workpiece collision and fractures and other damages.In addition, because when prototype gear cutter etc. had comparatively complicated shape face, gauge head needed the manual adjustment sensitive direction, causes efficiency of measurement lower, the present invention uses stepper motor 15 and drives and realize automatic reverse.Described automatic reversing mechanism sends signal through giving stepper motor 15, controls the motor angular displacement through the gating pulse number, thereby reaches auto reversive purpose.This automatic reversing mechanism is at stepper motor 15 and turns to and added rotating shaft 12 between the web joint 8; Corresponding thrust ball bearing assembly 11 and angular contact ball bearing assembly 10 have been overlapped in rotating shaft 12 outsides; And connect the shaft coupling 14 between 15 of rotating shaft 12 and the stepper motors; For fixing thrust ball bearing assembly 11, withstand with compression spring 13, make thrust ball bearing assembly 11 location.Rotation that stepper motor is 15 drives rotating shaft 12 and rotates, and angular contact ball bearing assembly 10 guarantees that rotating shafts 12 accurately rotate, and the connection and the rotating shaft 12 that turn to web joint 8 to pass through screw are rotated together, and the CAS that drives the front is then decided piece 1, motion block 2 and rotated together.The rotation size of the gauge head of the size control of the anglec of rotation of stepper motor 15 realizes gauge head automatic reverse function.
Claims (3)
1. be with the one dimension gauge head of Anti-bumping protection and auto-steering function; Comprise one dimension gauge head assembly, Anti-bumping protection mechanism and reverse mechanism; Said Anti-bumping protection mechanism comprises the motion block (2) that is arranged in the sleeve (5), decides piece (1), web joint (3) and a pair of spring (4); One dimension gauge head assembly is fixedly connected on gauge head web joint (3), it is characterized in that: above-mentionedly decide piece (1) inboard and be provided with permanent magnet (6), this web joint (3) end is provided with piece of magnetic material (7); Permanent magnet (6) and piece of magnetic material (7) adhesive setting; Said end of deciding piece (1) be fixedly connected be parallel to gauge head web joint (3) turn to web joint (8), turn to the other end of web joint (8) to be provided with near switch (9), be arranged at beyond the end of motion block (2) near switch (9) correspondence.
2. according to the one dimension gauge head of said band Anti-bumping protection of claim 1 and auto-steering function; It is characterized in that: said commutating structure comprises the shell (17) that axially is connected in sleeve (5) rear end; Shell (17) middle part axially is provided with the shoulder hole of the ascending setting of perforation; Be disposed with angular contact ball bearing assembly (10), thrust ball bearing assembly (11), shaft coupling (14) and compression spring (13) in the shoulder hole; Stepper motor (15) is arranged at the outside, end of shell (17); Rotating shaft (12) is arranged in angular contact ball bearing assembly (10) and the thrust ball bearing assembly (11); The rotating shaft (12) of thrust ball bearing assembly (11) one sides is connected with stepper motor (15) through shaft coupling (14), and the rotating shaft (12) of angular contact ball bearing assembly (10) one sides is connected with turning to web joint (8).
3. according to the one dimension gauge head of said band Anti-bumping protection of claim 2 and auto-steering function, it is characterized in that: be provided with through wires hole (16) in the said shell (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210178215.3A CN102679928B (en) | 2012-06-01 | 2012-06-01 | One-dimension measuring head with anti-collision protection and automatic steering functions |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210178215.3A CN102679928B (en) | 2012-06-01 | 2012-06-01 | One-dimension measuring head with anti-collision protection and automatic steering functions |
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| CN102679928A true CN102679928A (en) | 2012-09-19 |
| CN102679928B CN102679928B (en) | 2014-07-09 |
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| CN201210178215.3A Expired - Fee Related CN102679928B (en) | 2012-06-01 | 2012-06-01 | One-dimension measuring head with anti-collision protection and automatic steering functions |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215205A (en) * | 2014-09-17 | 2014-12-17 | 西安工业大学 | Measuring head device for measuring crankshaft |
| CN104406614A (en) * | 2014-12-01 | 2015-03-11 | 哈尔滨同和光学精密机械有限公司 | Autorotation measuring head seat with three-dimensional anticollision function for gear measuring center |
| CN104792879A (en) * | 2015-05-05 | 2015-07-22 | 上海和伍新材料科技有限公司 | Anti-collision device in longitudinal direction of ultrasonic probe |
| CN108871251A (en) * | 2018-07-25 | 2018-11-23 | 林春芬 | It is equipped with the coordinate measuring set of anticollision dust-extraction unit |
| CN112697030A (en) * | 2020-11-27 | 2021-04-23 | 珠海格力智能装备有限公司 | Detection equipment and detection system for processing workpiece |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3869799A (en) * | 1972-08-29 | 1975-03-11 | Zeiss Stiftung | Universal multi-coordinate sensor |
| US4720922A (en) * | 1985-09-10 | 1988-01-26 | Carl-Zeiss-Stiftung, Heidenhim/Brenz | Anti-collision device for the sensing head of a measuring machine |
| CN2793683Y (en) * | 2004-04-28 | 2006-07-05 | 哈尔滨精达测量仪器有限公司 | Multiple-dimensional high-spin measuring bit |
| CN201059954Y (en) * | 2007-07-10 | 2008-05-14 | 鞍山维盛机电有限公司 | Magnetic telescopic displacement sensor |
| US20100005852A1 (en) * | 2003-09-22 | 2010-01-14 | Renishaw Plc | Method of error compensation in a coordinate measuring machine |
-
2012
- 2012-06-01 CN CN201210178215.3A patent/CN102679928B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3869799A (en) * | 1972-08-29 | 1975-03-11 | Zeiss Stiftung | Universal multi-coordinate sensor |
| US4720922A (en) * | 1985-09-10 | 1988-01-26 | Carl-Zeiss-Stiftung, Heidenhim/Brenz | Anti-collision device for the sensing head of a measuring machine |
| US20100005852A1 (en) * | 2003-09-22 | 2010-01-14 | Renishaw Plc | Method of error compensation in a coordinate measuring machine |
| CN2793683Y (en) * | 2004-04-28 | 2006-07-05 | 哈尔滨精达测量仪器有限公司 | Multiple-dimensional high-spin measuring bit |
| CN201059954Y (en) * | 2007-07-10 | 2008-05-14 | 鞍山维盛机电有限公司 | Magnetic telescopic displacement sensor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215205A (en) * | 2014-09-17 | 2014-12-17 | 西安工业大学 | Measuring head device for measuring crankshaft |
| CN104215205B (en) * | 2014-09-17 | 2016-10-05 | 西安工业大学 | Gauge head unit for crank shaft measurement |
| CN104406614A (en) * | 2014-12-01 | 2015-03-11 | 哈尔滨同和光学精密机械有限公司 | Autorotation measuring head seat with three-dimensional anticollision function for gear measuring center |
| CN104792879A (en) * | 2015-05-05 | 2015-07-22 | 上海和伍新材料科技有限公司 | Anti-collision device in longitudinal direction of ultrasonic probe |
| CN108871251A (en) * | 2018-07-25 | 2018-11-23 | 林春芬 | It is equipped with the coordinate measuring set of anticollision dust-extraction unit |
| CN112697030A (en) * | 2020-11-27 | 2021-04-23 | 珠海格力智能装备有限公司 | Detection equipment and detection system for processing workpiece |
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| CN102679928B (en) | 2014-07-09 |
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Owner name: XIDIAN UNIVERSITY Effective date: 20130709 |
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Inventor after: Wang Hongxi Inventor after: Jia Jianjun Inventor after: Wang Weidong Inventor after: Chen Xiaodong Inventor after: Wang Jianhua Inventor before: Wang Hongxi Inventor before: Jia Jianjun Inventor before: Chen Xiaodong Inventor before: Wang Jianhua |
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Free format text: CORRECT: INVENTOR; FROM: WANG HONGXI JIA JIANJUN CHEN XIAODONG WANG JIANHUA TO: WANG HONGXI JIA JIANJUN WANG WEIDONG CHEN XIAODONG WANG JIANHUA |
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Effective date of registration: 20130709 Address after: 710032 Shaanxi city of Xi'an Province Jinhua North Road, No. 4 Applicant after: Xi'an Technological University Applicant after: Xidian University Address before: 710032 Shaanxi city of Xi'an Province Jinhua North Road, No. 4 Applicant before: Xi'an Technological University |
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