CN106312691B - A kind of laser diffraction is to knife detector - Google Patents

A kind of laser diffraction is to knife detector Download PDF

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Publication number
CN106312691B
CN106312691B CN201610997169.8A CN201610997169A CN106312691B CN 106312691 B CN106312691 B CN 106312691B CN 201610997169 A CN201610997169 A CN 201610997169A CN 106312691 B CN106312691 B CN 106312691B
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China
Prior art keywords
bolted
bend pipe
turntable
laser
fixed
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CN201610997169.8A
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Chinese (zh)
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CN106312691A (en
Inventor
石广丰
张玉石
朱可可
史国权
蔡洪彬
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Changchun University of Science and Technology
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Changchun University of Science and Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/24Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
    • B23Q17/2428Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves for measuring existing positions of tools or workpieces

Abstract

A kind of laser diffraction of the present invention belongs to Ultra-precision Turning to knife detection field to knife detector.The apparatus includes support construction, bend pipe structure, detection structure;The support construction, support is provided for whole device, lifting is secondary to be cooperated by gear shaft and rack gear, elevating movement is provided for device, fixation is bolted in support construction and bend pipe, bend pipe vertically fixes two turntables by flange, the level and vertical angle of adjusting apparatus, bend pipe one end is connect by screw thread with detection structure, laser is fixed on crossbearer by laser sleeve using threaded connection, slit size can be adjusted by rotating gear shaft, slit can be adjusted at a distance from laser by position adjustment bolt simultaneously, CCD is fixed on CCD installs case by groove, CCD installs case and sliding block rigid connection (welding).The invention has the advantages that detecting to knife, simple and convenient, instrument cost is low, detection accuracy height etc..

Description

A kind of laser diffraction is to knife detector
Technical field
The invention belongs to ultraprecises to knife detection field, and in particular to a kind of laser diffraction is to knife detector.
Background technique
In part process is an important research of Precision Machining research field to the detection of knife and tool wear The abrasion in direction, precision and cutter to knife has all directly influenced the precision of workpiece to be machined.Both at home and abroad to knife and cutter Wear detecting method be broadly divided into: offline inspection and on-line checking.Off-line checking method is measured by cutter pre-regulating Instrument is completed.Currently, tool preseting measuring instrument has had reached micron order to knife measurement accuracy, for some required precisions Extremely for harsh instrument, micron-sized precision can not meet the requirement of some ultraprecise instruments, and this kind of equipment is past Toward by abroad technology blockage or form price fixing.Online test method can be divided into again: Photoelectric Detection and laser Diffraction detection.Existing ultra-precision machine tool photo-electric can only detect cutter blade size and opposite to knife detection device online The coordinate of lathe, but the coordinate relationship relative to workpiece surface can not obtain, and still need to use visually identification or trial cut to process Method determines finishing benchmark.Such case is unable to satisfy for the process requirements of workpiece initial surface for some, such as The processing of grating mechanical scratching.And repeatedly examination is mostly used to carve and observe the side of scratch greatly to knife during grating mechanical scratching at present Method detect to knife, and there is no special detecting instruments.Therefore be badly in need of a kind of novel, special online tool setting gauge device realize it is super In precision machining processes cutter relative to workpiece initial surface to knife (to knife distance, cutter geometric dimension, cutter drift angle, knife Tool abrasion etc.) detection.Present aspect content, using laser diffraction effect, can be detected in the case where not destroying material surface Geometry parameter information of the cutter relative to the distance between workpiece and cutter has the spies such as simple and convenient, at low cost, precision is high Point.
Summary of the invention
The purpose of the invention is to overcome the above problem, a kind of laser diffraction is provided to knife detector.
A kind of laser diffraction of the present invention is to knife detector, including support construction, bend pipe structure, detection structure;The support Structure is bolted with bend pipe structure, and the raising that whole device may be implemented reduces, and bend pipe structure passes through with detection structure It is threadedly coupled, the horizontal and vertical angle of adjustable detection device.
Support construction of the present invention includes: square set, square fixed block, base support, rack gear I, lifting is secondary, fastens Bolt I, gear shaft I, firm banking.Firm banking and workbench, which are bolted, provides branch to knife detector for laser diffraction Platform is supportted, with firm banking by being welded and fixed, rack gear I is bolted base support with base support, lifting pair and tooth Item I is fixed by fastening bolt I, and the engagement of wheel and rack I is realized in gear shaft I and lifting auxiliary air gap cooperation by gear shaft I It is raised and reduced so as to adjust lifting is secondary, square set is screwed with lifting pair, square fixed block and square set By being welded and fixed.
Bend pipe structure of the present invention includes: fastening bolt II, flange I, turntable I, bend pipe, flange II, turntable II, fastening Bolt III.Turntable II is bolted with square fixed block, and flange II and turntable II pass through screw connection, bend pipe and flange II It is bolted and passes through fastening bolt III and lock, fastening bolt III is connected through a screw thread with turntable II, passes through fastening bolt In the Arbitrary Rotation of horizontal position, turntable I is bolted the elastic bend pipe that may be implemented with bend pipe, flange I and turntable I It is bolted, fastening bolt II is connected through a screw thread with turntable I.
Detection structure of the present invention includes: laser, laser sleeve, slit width adjustment bolt, slider I, slit Block, position adjustment bolt, fourier lense, CCD camera, CCD installs case, gear shaft II, sliding block III, crossbearer, is stretched sliding block II Contracting arm, rack gear II, gear, connecting rod.Laser is bolted on crossbearer by laser sleeve, and slit width adjusts spiral shell Bolt is connected through a screw thread with sliding block II, and slider I is welded and fixed with slit block, and slit width adjustment bolt can adjust the width of slit Degree, slit block have linear DOF on sliding block II, and position adjustment bolt is connected through a screw thread with slider I, adjustable The distance between slit and laser, fourier lense and CCD camera pass through interference fit, CCD camera and CCD installs case gap Cooperation, CCD installs case are bolted with rack gear II, and gear shaft II and III clearance fit of sliding block, sliding block III pass through with crossbearer It is bolted, crossbearer and connecting rod are fixed by flexible arm bolt, and rack gear II is engaged with gear, and gear is matched with II interference of gear shaft It closing, connecting rod and flange I are bolted and are locked by fastening bolt II, and drive CCD camera mobile by gear shaft II, CCD camera is adjusted at a distance from slit block.
The invention has the following advantages:
The installation fixed operation of whole device is simple and convenient.In detection process, the height of detection device is adjustable, level angle Adjustable, vertical angles are adjustable, to can realize any position in space, measure at any angle.Since it has very big make With flexibility, therefore the efficiency of entire testing process is substantially increased, and testing result has more accuracy and confidence level.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of laser diffraction tool setting device of the present invention.
Fig. 2 is the structural schematic diagram of support construction of the present invention.
Fig. 3 is the schematic diagram of bend pipe structure of the present invention.
Fig. 4 is detection structure schematic diagram of the present invention.
Fig. 5 is diffraction receiving portion structure chart in Fig. 4.
Specific embodiment
In order to which objects and advantages of the present invention are more clearly understood, the present invention is carried out with reference to embodiments further It is described in detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to limit this hair It is bright.
Refering to fig. 1 to Fig. 4, a kind of laser diffraction of present embodiment to knife detector, the device include: support construction 1, Bend pipe structure 2, detection structure 3, the support construction 1 are bolted with bend pipe structure 2, and the liter of whole device may be implemented Height reduces, and bend pipe structure 2 is connected through a screw thread with detection structure 3, the horizontal and vertical angle of adjustable detection device.
Referring to Fig.2, the support construction 1 includes: square set 101, square fixed block 102, base support 103, rack gear I 104, secondary 105, fastening bolt I 106, gear shaft I 107, firm banking 108 are gone up and down.Firm banking 108 and workbench pass through bolt It is fixed as laser diffraction and provides support platform to knife detector, base support 103 passes through with firm banking 108 to be welded and fixed, tooth Item I 104 is bolted with base support 103, and lifting pair 105 is fixed with rack gear I 104 by fastening bolt I 106, gear Axis I 107 and secondary 105 clearance fits of lifting, realize the engagement of wheel and rack I 104 so as to adjust lifting by gear shaft I 107 Pair 105 raises and reduces, and square set 101 is screwed with lifting pair 105, square fixed block 102 and square set 101 by being welded and fixed.
Refering to Fig. 3, the bend pipe structure 2 includes: fastening bolt II 201, flange I 202, turntable I 203, bend pipe 204, method Blue II 205, turntable II 206, fastening bolt III 207.Turntable II 206 is bolted with square fixed block 102, flange II 205 are bolted and by fastening bolt III 207 by screw connection, bend pipe 204 and flange II 205 with turntable II 206 Locked, fastening bolt III 207 is connected through a screw thread with turntable II 206, and bend pipe 204 may be implemented by the way that fastening bolt 207 is elastic Arbitrary Rotation in horizontal position, turntable I 203 are bolted with bend pipe 204, and flange I 202 passes through with turntable I 203 It is bolted, fastening bolt II 201 is connected through a screw thread with turntable I 203.
Refering to Fig. 4 and Fig. 5, the detection structure 3 includes: laser 301, laser sleeve 302, slit width adjustment spiral shell Bolt 303, slider I 304, slit block 305, sliding block II 306, position adjustment bolt 307, fourier lense 308, CCD camera 309, CCD installs case 310, gear shaft II 311, sliding block III 312, crossbearer 313, telescopic arm 314, rack gear II 315, gear 316, company Extension bar 317.Laser 301 is bolted on crossbearer 313 by laser sleeve 302, slit width adjustment bolt 303 with Sliding block II 306 is connected through a screw thread, and slider I 304 is welded and fixed with slit block 305, and slit width adjustment bolt 303 is adjustable The width of slit, slit block 305 have linear DOF on sliding block II 306, and position adjustment bolt 307 and slider I 304 are logical Threaded connection, the distance between adjustable slit and laser 301 are crossed, fourier lense 308 and CCD camera 309 passed through It is full of cooperation, CCD camera 309 and 310 clearance fit of CCD installs case, CCD installs case 310 are bolted with rack gear II 315, Gear shaft II 311 and III 312 clearance fit of sliding block, sliding block III 312 are bolted with crossbearer 313, crossbearer 313 and connecting rod 317 are fixed by 314 bolt of telescopic arm, and rack gear II 315 is engaged with gear 316, and gear 316 and gear shaft II 311 are interference fitted, Connecting rod 317 and flange I 202 are bolted and are locked by fastening bolt II 201, pass through gear shaft II 311 and drive CCD Camera 309 is mobile, adjusts CCD camera 309 at a distance from slit block 305.
This specific implementation, in use, will test in structure 3 by adjusting the distance between telescopic arm 314 and crossbearer 313 Laser 301 and CCD camera 309 are placed in knife rest two sides, and firm banking 108 is fixed on to the appropriate position of optical grating graduating machine It sets, after rotating table II 206 and turntable I 203 to suitable angle, passes through rotational fastener bolt II 201 and fastening bolt III 207 The angle of the angle of bend pipe 2 and crossbearer 3 is fixed, the distance between telescopic arm 314 and crossbearer 313 is adjusted again, makes laser The distance between 301 and CCD camera 309 are suitable, and adjustment slit block 305 is allowed to being formed at a distance from small between cutter, Laser 301 is opened, adjusts position adjustment bolt 307 until observing clearly Moire fringe on computers
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, without departing from the principle of the present invention, it can also make several improvements and retouch, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims (1)

1. a kind of laser diffraction is to knife detector, which is characterized in that including support construction (1), bend pipe structure (2), detection structure (3);The support construction (1) is bolted with bend pipe structure (2), and bend pipe structure (2) and detection structure (3) pass through screw thread Connection;
The support construction (1) includes: square set (101), square fixed block (102), base support (103), rack gear I (104), secondary (105), fastening bolt I (106), gear shaft I (107), firm banking (108) are gone up and down;Firm banking (108) and work It is bolted as platform, base support (103) passes through with firm banking (108) to be welded and fixed, rack gear I (104) and pedestal branch Frame (103) is bolted, and goes up and down secondary (105) and rack gear I (104) and is fixed by fastening bolt I (106), gear shaft I (107) and secondary (105) clearance fit is gone up and down, square set (101) is screwed with secondary (105) are gone up and down, square fixed block (102) with square set (101) by being welded and fixed;
The bend pipe structure (2) includes: fastening bolt II (201), flange I (202), turntable I (203), bend pipe (204), flange II (205), turntable II (206), fastening bolt III (207);Turntable II (206) is bolted with square fixed block (102), By screw connection, bend pipe (204) is bolted and passes through with flange II (205) for flange II (205) and turntable II (206) Fastening bolt III (207) is locked, and fastening bolt III (207) is connected through a screw thread with turntable II (206), turntable I (203) and bend pipe (204) it is bolted, flange I (202) is bolted with turntable I (203), fastening bolt II (201) and turntable I (203) it is connected through a screw thread;
The detection structure (3) includes: laser (301), laser sleeve (302), slit width adjustment bolt (303), slides Block I (304), slit block (305), sliding block II (306), position adjustment bolt (307), fourier lense (308), CCD camera (309), CCD installs case (310), gear shaft II (311), sliding block III (312), crossbearer (313), telescopic arm (314), rack gear II (315), gear (316), connecting rod (317);Laser (301) is bolted on crossbearer by laser sleeve (302) (313) on, slit width adjustment bolt (303) is connected through a screw thread with sliding block II (306), slider I (304) and slit block (305) be welded and fixed, slit block (305) on sliding block II (306) have linear DOF, position adjustment bolt (307) with Slider I (304) is connected through a screw thread, and fourier lense (308) and CCD camera (309) pass through interference fit, CCD camera (309) With CCD installs case (310) clearance fit, CCD installs case (310) is bolted with rack gear II (315), gear shaft II (311) with sliding block III (312) clearance fit, sliding block III (312) is bolted with crossbearer (313), crossbearer (313) with connect Bar (317) is fixed by telescopic arm (314) bolt, and rack gear II (315) is engaged with gear (316), gear (316) and gear shaft II (311) it is interference fitted, connecting rod (317) and flange I (202) are bolted and are locked by fastening bolt II (201).
CN201610997169.8A 2016-11-14 2016-11-14 A kind of laser diffraction is to knife detector Active CN106312691B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110221371A (en) * 2019-07-10 2019-09-10 长春理工大学 A method of mechanical scratching diffraction grating is carried out using hilted broadsword multiple-cutting-edge

Citations (5)

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Publication number Priority date Publication date Assignee Title
CN2876705Y (en) * 2006-03-17 2007-03-07 马和 Multifunction laser diffraction measurer
CN204195401U (en) * 2014-11-04 2015-03-11 唐山学院 A kind of numerically-controlled machine tool rest adjustment checkout gear
CN104942652A (en) * 2015-06-28 2015-09-30 长春理工大学 Online laser diffraction tool setting and detecting system and method
CN105806242A (en) * 2016-04-15 2016-07-27 同济大学 Surface type measuring device adopting laser rotary scanning
CN206185608U (en) * 2016-11-14 2017-05-24 长春理工大学 Laser diffraction tool setting detector

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6213595B2 (en) * 2015-03-30 2017-10-18 Jfeスチール株式会社 Method and apparatus for detecting surface position of metal body on which chips are placed

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2876705Y (en) * 2006-03-17 2007-03-07 马和 Multifunction laser diffraction measurer
CN204195401U (en) * 2014-11-04 2015-03-11 唐山学院 A kind of numerically-controlled machine tool rest adjustment checkout gear
CN104942652A (en) * 2015-06-28 2015-09-30 长春理工大学 Online laser diffraction tool setting and detecting system and method
CN105806242A (en) * 2016-04-15 2016-07-27 同济大学 Surface type measuring device adopting laser rotary scanning
CN206185608U (en) * 2016-11-14 2017-05-24 长春理工大学 Laser diffraction tool setting detector

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