CN103968758A - Mechanical device of automatic planar thread measurement system - Google Patents
Mechanical device of automatic planar thread measurement system Download PDFInfo
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- CN103968758A CN103968758A CN201410183385.XA CN201410183385A CN103968758A CN 103968758 A CN103968758 A CN 103968758A CN 201410183385 A CN201410183385 A CN 201410183385A CN 103968758 A CN103968758 A CN 103968758A
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Abstract
The invention discloses a mechanical device of an automatic planar thread measurement system. The mechanical device comprises a tracking type polar radius measurement mechanism and a leveling and aligning polar angle spindle mechanism. The tracking type polar radius measurement mechanism is used for measuring the polar radius of planar thread wire coiling workpieces, and the leveling and aligning polar angle spindle mechanism is used for detecting the rotation angle and adjusting the planar thread wire coiling workpieces. A guide rail installation box of the tracking type polar radius measurement mechanism is arranged on a work table through a screw rod lifting seat and moves up and down along a screw rod on the screw rod lifting seat. The leveling and aligning polar angle spindle mechanism is arranged on the work table which is located below one side of the tracking type polar radius measurement mechanism. The mechanical device is mainly used for detecting planar thread spiral lines, a driving head can be in contact with the planar thread outer spiral faces all the time, a measuring head tracks the driving head and is only in contact with the workpieces in measurement, an optical grating reading head is driven to measure the workpieces, and influence on measurement errors due to abrasion of the measuring head is avoided.
Description
Technical field
The present invention relates to a kind of flat thread measurement mechanism, relate in particular to a kind of mechanical hook-up of flat thread automatic measurement system.
Background technology
When the moving point of one in plane moves at the uniform velocity along a straight line, this straight line is a bit done constant speed gyration on winding the line again simultaneously, and the track of moving point is exactly snail line, and the continuous projection forming along helix, have regulation thread form is exactly flat thread.In industrial many occasions, need to accurately measure flat thread.At present, comparatively common method has tool microscope method.
Due to examined technology and equipment restriction, at present most of chuck manufacturer of China still adopts static branch mensuration, adopts the helix error of universal tool-measuring microscope and scale combine detection flat thread, completes one-shot measurement approximately 30 minutes.
This measurement is adjusted complicated, and data processing is loaded down with trivial details, and measuring accuracy is low, and efficiency is low.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, a kind of mechanical hook-up of flat thread automatic measurement system is provided, gauge head is divided into and measures and drive two parts, direct leveling aligning after workpiece clamped one time, thus testing process realizes reliable efficient measurement of flat thread without manual intervention.
For achieving the above object, the technical solution used in the present invention is:
The present invention includes for the tracking mode utmost point footpath measuring mechanism in measurement plane screw thread parcel workpiece utmost point footpath, for detection of corner and adjust leveling aligning and the polar angle mainshaft mechanism of flat thread parcel workpiece, the guide rails assembling casing of tracking mode utmost point footpath measuring mechanism is arranged on worktable and along the leading screw of leading screw elevating bracket and is moved up and down by leading screw elevating bracket, and leveling aligning and polar angle mainshaft mechanism are arranged on the worktable of tracking mode utmost point footpath measuring mechanism one side-lower.
Described tracking mode utmost point footpath measuring mechanism comprises guide rails assembling casing, measuring head, driving head, the measurement axis of guide, drives the axis of guide, micro-cylinder; In guide rails assembling casing, be provided with the measurement axis of guide being arranged in parallel and drive the axis of guide, measure the axis of guide and be positioned at the top that drives the axis of guide, measuring the axis of guide is connected with an end side surface of L-type support near leveling aligning and polar angle mainshaft mechanism one end, measuring head is arranged on the other end side of L-type support by bearing pin, drive the axis of guide being connected near leveling aligning and polar angle mainshaft mechanism one end and driving head support, driving head is arranged on driving head support lower surface, driving head and measuring head be installed in parallel in measured flat thread parcel workpiece directly over;
With measure the front panel of the axis of guide parallel corresponding guide rails assembling casing on have for to the bar-shaped trough of measuring the observation of axis of guide sight line, on the front panel of measurement axis of guide top, grating scale is installed, on the measurement axis of guide in guide rails assembling casing, cover has chi adapter sleeve, moving chi adapter sleeve slides along measuring the axis of guide, on moving chi adapter sleeve, be installed with moving chi brace, on moving chi brace, the moving chi that coordinates sight line observation with grating scale be installed; Measure the axis of guide away from being connected of leveling aligning and polar angle mainshaft mechanism one end and adjusting pole, measuring head is installed on adjusting pole and adjusts body and measuring head spring brace, measuring head is adjusted body and is positioned at above measuring head spring brace; Drive the axis of guide being connected away from leveling aligning and polar angle mainshaft mechanism one end and bracket at tail part, lever base plate is installed on bracket at tail part end face, micro-cylinder and lever dolly are installed on lever base plate, lever shaft is hinged on lever dolly side by lever bearing pin, the piston rod of micro-cylinder is connected with the lever shaft bottom being arranged in lever dolly, lever dolly is stretched out on lever shaft top, between driving head spring brace and measuring head spring brace, is connected with spring.
When measurement, described driving head is close to the side of flat thread parcel workpiece, and measuring head inserts in the threaded hole on flat thread parcel workpiece, and contacts with hole wall; Lever shaft top adjusts overall co-ordination to contact with measuring head.
On described L-type support other end, be provided with for detection of the laser displacement sensor of displacement vertically after flat thread parcel workpiece rotation.
Described leveling aligning and polar angle mainshaft mechanism comprise round grating scale angle scale, leveling core-regulating platform, revolving shaft, scale, positive coupling, pneumatic triple piece, air-floating main shaft and servomotor, servomotor is arranged on the frame bottom of worktable, servomotor is connected with revolving shaft one end by positive coupling, the revolving shaft other end is connected with air-floating main shaft by positive coupling, air-floating main shaft upper end is connected with leveling core-regulating platform through worktable, on revolving shaft, by being fixedly connected with sheet, circle grating scale angle scale is installed, circle grating scale angle scale side is provided with scale, scale is arranged in frame by scale mounting rod, frame bottom surface is provided with pneumatic triple piece, pneumatic triple piece connects by flexible pipe air-floating main shaft.
Beneficial effect of the present invention:
The tracking mode utmost point of the present invention footpath measuring mechanism has ensured that driving head contacts with flat thread male helicoid all the time, measuring head is followed the tracks of driving head, only in the time measuring, just contact with workpiece, and drive grating reading head to measure, overcome because of the gauge head impact that measuring error is brought of wearing and tearing.
Brief description of the drawings
Fig. 1 is front view of the present invention.
Fig. 2 is right view of the present invention.
Fig. 3 is vertical view of the present invention.
Fig. 4 is the structural representation of Ji Jing Tracking and Measurment of the present invention mechanism.
Fig. 5 is the left side partial enlarged drawing of Ji Jing Tracking and Measurment of the present invention mechanism.
Fig. 6 is the structural representation of leveling aligning of the present invention and polar angle mainshaft mechanism.
Fig. 7 is overall work schematic diagram of the present invention.
In figure: A, Ji Jing Tracking and Measurment mechanism, B, leveling aligning and polar angle mainshaft mechanism, C, leading screw elevating bracket, 1, driving head, 2, measuring head, 3, driving head support, 4, bearing pin, 5, L-type support, 6, measure the axis of guide, 7, the first flanged nut, 8, moving chi adapter sleeve, 9, moving chi, 10, front panel, 11, the second flanged nut, 12, adjusting pole, 13, measuring head is adjusted body, 14, measuring head spring brace, 15, spring, 16, lever shaft, 17, driving head spring brace, 18, lever bearing pin, 19, lever dolly, 20, micro-cylinder, 21, lever base plate, 22, bracket at tail part, 23, side plate, 24, frame, 25, servomotor, 26, positive coupling, 27, circle grating scale angle scale, 28, be fixedly connected with sheet, 29, revolving shaft, 30, air-floating main shaft, 31, leveling core-regulating platform, 32, flat thread parcel workpiece, 33, scale, 34, flexible pipe, 35, pneumatic triple piece, 36, drive the axis of guide, 37, laser displacement sensor, 38, guide rails assembling casing, 39, grating scale.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the invention technical scheme is elaborated.
As shown in FIG. 1 to 3, the present invention includes for the tracking mode utmost point footpath measuring mechanism A in measurement plane screw thread parcel workpiece 32 utmost point footpaths, for detection of corner and adjust leveling aligning and the polar angle mainshaft mechanism B of flat thread parcel workpiece 32, the guide rails assembling casing 38 of tracking mode utmost point footpath measuring mechanism A is arranged on worktable and along the leading screw of leading screw elevating bracket C and is moved up and down by leading screw elevating bracket C, and leveling aligning and polar angle mainshaft mechanism B are arranged on the worktable of tracking mode utmost point footpath measuring mechanism A mono-side-lower.
As shown in Figure 4, tracking mode utmost point footpath measuring mechanism comprises guide rails assembling casing 38, measuring head 2, driving head 1, measures the axis of guide 6, drives the axis of guide 36, micro-cylinder 20, in guide rails assembling casing 38, be provided with the measurement axis of guide 6 being arranged in parallel and drive the axis of guide 36, measure the axis of guide 6 and be positioned at the top that drives the axis of guide 36, measuring the axis of guide 6 is connected with an end side surface of L-type support 5 near leveling aligning and polar angle mainshaft mechanism B one end, measuring head 2 is arranged on the other end side of L-type support 5 by bearing pin 4, drive the axis of guide 36 being connected near leveling aligning and polar angle mainshaft mechanism B one end and driving head support 3, driving head 1 is arranged on driving head support 3 lower surfaces, driving head 1 and measuring head 2 be installed in parallel in measured flat thread parcel workpiece 32 directly over, measuring head 2 is positioned at driving head 1 outside, measures the axis of guide 6 two ends and is arranged on the both sides side plate 23 of guide rails assembling casing 38 by the first flanged nut 7, the second flanged nut 11 respectively.
The present invention by measuring head 2 and driving head 1 separately, adopts up and down and arranges, measuring head 2 outside partially above driving head 1, driving head 1 below measuring head 2, inner side partially.Measuring head 2 is connected with the measurement axis of guide 6 and the driving axis of guide 36 respectively with driving head support 3 by L-type support 5 respectively with driving head 1, connected mode is to open threaded hole perpendicular to axis of guide direction separately in L-type support 5 and driving head support 3, and open a sulculus in parallel axis of guide direction separately, by being fastenedly connected of screw thread, measuring head 2 is connected with driving head 1.
As shown in Figure 4, with measure the front panel 10 of the axis of guide 6 parallel corresponding guide rails assembling casing 38 on have for to the bar-shaped trough of measuring the axis of guide 6 sight lines observations, on the front panel 10 of the measurement axis of guide 6 tops, grating scale 39 is installed, on the measurement axis of guide 6 in guide rails assembling casing 38, cover has chi adapter sleeve 8, moving chi adapter sleeve 8 slides along measuring the axis of guide 6, on moving chi adapter sleeve 8, be installed with moving chi brace 9, on moving chi brace 9, the moving chi that coordinates sight line observation with grating scale 39 be installed; Measure the axis of guide 6 away from being connected of leveling aligning and polar angle mainshaft mechanism B one end and adjusting pole 12, measuring head is installed on adjusting pole 12 and adjusts body 13 and measuring head spring brace 14, measuring head adjustment body 13 is positioned at measuring head spring brace 14 tops; Drive the axis of guide 36 being connected away from leveling aligning and polar angle mainshaft mechanism B one end and bracket at tail part 22, on bracket at tail part 22 end faces, lever base plate 21 is installed, micro-cylinder 20 and lever dolly 19 are installed on lever base plate 21, lever shaft 16 is hinged on lever dolly 19 sides by lever bearing pin, the piston rod of micro-cylinder 20 is connected with lever shaft 16 bottoms that are arranged in lever dolly 19, lever dolly 19 is stretched out on lever shaft 16 tops, between driving head spring brace 17 and measuring head spring brace 14, is connected with spring 15.
Moving chi brace 9 is fixedly mounted on the measurement axis of guide 6 of measuring head, moves with measuring head 2.
When measurement, described driving head 1 is close to the side of flat thread parcel workpiece 32, and measuring head 2 inserts in the threaded hole on flat thread parcel workpiece 32, and contacts with hole wall; Lever shaft 16 tops are adjusted body 13 cooperations with measuring head and are contacted, and the lever shaft 16 that micro-cylinder 20 promotes on support is measured.
As shown in Figure 4, on L-type support 5 other ends, be provided with for detection of the laser displacement sensor 37 of displacement vertically after flat thread parcel workpiece 32 rotation.
As shown in Figure 6, leveling aligning and polar angle mainshaft mechanism B comprise round grating scale angle scale 27, leveling core-regulating platform 31, revolving shaft 29, scale 33, positive coupling 26, pneumatic triple piece 35, air-floating main shaft 30 and servomotor 25, servomotor 25 is arranged on frame 24 bottoms of worktable, servomotor 25 is connected with revolving shaft 29 one end by positive coupling 26, revolving shaft 29 other ends are connected with air-floating main shaft 30 by positive coupling 26, air-floating main shaft 30 upper ends are connected with leveling core-regulating platform 31 through worktable, on revolving shaft 29, by being fixedly connected with sheet 28, circle grating scale angle scale 27 is installed, being fixedly connected with sheet 28 is fixed by screws on revolving shaft 29, circle grating scale angle scale 27 sides are provided with the scale 33 for detection of angle, scale 33 is arranged in frame 24 by scale mounting rod, frame 24 bottom surfaces are provided with pneumatic triple piece 35, and pneumatic triple piece 35 connects by flexible pipe 34 air-floating main shafts 30.
Leveling aligning and polar angle mainshaft mechanism adopt driven by servomotor, computer control.Computing machine provides angle signal, standard polar angle mainshaft mechanism provides angle value standard volume, servomotor 25 drives revolving shaft 29 to rotate, laser micro-displacement sensor 37 detects workpiece and rotates rear workpiece distance value in the vertical direction, the distance value recording according to each angle, adjust leveling core-regulating platform 31, realize the leveling of flat thread parcel workpiece 32.
Measuring head 2 contact plane screw thread parcel workpiece 32 hole walls, drive servomotor 25 to rotate, when the angle value of justifying grating scale angle scale 27 is after full one week, the offset of Calculation Plane screw thread parcel workpiece 32, horizontal direction is adjusted leveling core-regulating platform 31, realizes the aligning of workpiece 32.
The overall work principle of each mechanism of the present invention as shown in Figure 7.This device, by host computer and the control of PLC control system, is undertaken by certain work schedule, behind flat thread parcel workpiece 32 clamping location, first carries out leveling aligning, helix shape the record data of rear measurement plane screw thread parcel workpiece.
The tracking mode utmost point of the present invention footpath measuring mechanism A as shown in Figure 2, comprises two gauge heads, is respectively driving head 1 and measuring head 2, and the chaining pin of measuring head 2 is fixed on L-type support 5 by a bearing pin 4.Fluting in the middle of L-type support 5, its hole of tightening up a screw is fixed on and is measured in the axis of guide 6 by screw with measuring the axis of guide 6 clearance fit, and laser displacement sensor 37 is fixed on support 5 front ends.Driving head 1 is directly installed in the driving head support 3 that has threaded hole, and driving head support 3 is threaded fixing with the driving axis of guide 36 employings below measurement axle 6.
Measure the axis of guide 6 and drive the axis of guide 36 to be rolled and coordinated by band pretightning force with the first flanged nut 7, the second flanged spiral shell 11, two flanged nuts are arranged on the side plate 23 of both sides by threaded connector.Taking biside plate as reference for installation, grating scale 39 is installed on front panel 15, moving chi is arranged on moving chi brace 9, and brace 9 is fixedly mounted on and is measured on the axis of guide 6 with measuring axis of guide rectilinear movement by moving chi adapter sleeve 8.
Measure the axis of guide and drive the afterbody of the axis of guide that adjusting pole 12 and bracket at tail part 22 are housed respectively, thereby according to this bracket at tail part, the ergometry of driving head is passed to and measures the moving chi rectilinear movement of axis of guide drive grating, obtain straight-line displacement amount.
In leveling aligning and polar angle mainshaft mechanism B, lever bearing pin 18 is connected with lever shaft 16 transition fit, measuring head spring brace 14 is connected by a helical spring 15 with in the middle of driving head spring brace 17, lever shaft 18 can be done the swing of approximately 10 degree left and right among a small circle along 16 rotations of lever bearing pin, body contact can be adjusted with measuring head in lever shaft 18 swinging end upper ends, and swinging end lower end is connected with micro-cylinder 20.
Integrated model A is arranged on column by leading screw, does vertical movement with the needs of measuring height.
Leveling aligning and polar angle mainshaft mechanism B are as shown in Figure 6.Plane of orientation screw thread parcel workpiece on leveling core-regulating platform 31, leveling core-regulating platform 31 is connected with air-floating main shaft 30 below, the pore of air-floating main shaft 30 is connected with pneumatic triple piece 35 by flexible pipe 34, pneumatic triple piece is connected with operation valve, by being rotated under control program of gas circuit main shaft, progressively adjust the position of leveling core-regulating platform 31.Standard polar angle mainshaft mechanism C between on air-floating main shaft 30 times and servomotor 25 is connected by positive coupling, and wherein scale 33 and the servomotor 35 of round grating scale are fixed in frame 24.27 of grating scales of circle are connected with the revolving shaft 29 of standard polar angle by brace 28.
The specific embodiment of the invention course of work:
The gyration of leveling aligning of the present invention and polar angle mainshaft mechanism B generates standard polar angle, the utmost point footpath that obtains flat thread by the follower between measuring head and the driving head of tracking mode utmost point footpath measuring mechanism A, Grating Reader System, by standard polar angle and utmost point footpath, every error of calculation and evaluation helix, leveling aligning and polar angle mainshaft mechanism B are for adjusting the levelness of workpiece and the right alignment with main shaft center of rotation simultaneously.
In testing process, first workpiece is carried out to leveling aligning.Level-off process is that workpiece 32 turns over certain angle with motor 25, and circle grating scale 27 is noted down rotational angle value, and laser displacement sensor 37 obtains workpiece planarization height, according to plane difference, adjusts leveling aligning worktable 31, makes workpiece 32 reach predetermined levelness requirement.
Aligning process is the leading screw elevating bracket moving up and down that rotates tracking mode utmost point footpath measuring mechanism A, left and right promotes measuring head 2, measuring head 2 is contacted with the inner hole wall of workpiece 32, servomotor 25 equal angles rotations, measuring head 2 obtains the positional information of the inner hole wall of workpiece 32, after circle grating 27 rotates a circle, automatically calculates the offset of workpiece 32, instruct and adjust leveling core-regulating platform 31 according to measurement result, require rear motor 25 to stop operating when workpiece attitude reaches bias.
Measuring process is to promote to drive the axis of guide 36 to make driving head 1 on driving head support 3 enter in the groove of workpiece 32 and contact with male helicoid, micro-cylinder 20 promotes outward lever 16 and clockwise rotates a low-angle, lever shaft 16 other ends promotion measuring heads adjustment bodies 13 overcome spring 15 pulling force and move right, measuring head 2 is entered in the parcel groove of workpiece 32 and inner helical surface noncontact, servomotor 25 starts to be determined after the rotation of angle, micro-cylinder 20 reverse drive, measuring the axis of guide 6 drives measuring head 2 to contact with the inner helical surface of workpiece 32 to left movement under the effect of spring 15, obtain round grating scale angle scale 27 corner values, obtain the amount of movement of the drive grating scale 39 of moving chi brace 9 simultaneously, record utmost point footpath and polar angle that this measures station, through error correction, calculate the spiral deviation of this measurement point.Until complete whole measurements of helix.By error decouples computation flat thread helix error.
The feature of tracking mode utmost point footpath measuring mechanism is that the measuring head of arranging has up and down ensured that with driving head follower driving head contacts with flat thread male helicoid all the time, measuring head is followed the tracks of driving head, only in the time measuring, just contact with workpiece, and drive grating reading head to measure.
The feature of the Workpiece leveling aligning part in leveling aligning and polar angle mainshaft mechanism B is the side-play amount that provides angle value, laser sensor (laser micro-displacement sensor) and grating scale reading value and obtain the vertical and horizontal direction of workpiece according to standard polar angle main shaft portion, and leveling and the aligning of flat thread parcel workpiece adjusted leveling core-regulating platform and completed in guiding.
The feature of the standard polar angle main shaft portion in leveling aligning and polar angle mainshaft mechanism B is to drive air-floating main shaft by servomotor by positive coupling and the Workpiece leveling core-regulating mechanism that is installed on it rotates, and circle grating scale angle scale is read standard polar angle.
Above-mentioned embodiment is used for the present invention that explains, instead of limits the invention, and in the protection domain of spirit of the present invention and claim, any amendment and change that the present invention is made, all fall into protection scope of the present invention.
Claims (5)
1. the mechanical hook-up of a flat thread automatic measurement system, it is characterized in that: comprise the tracking mode utmost point footpath measuring mechanism (A) for measurement plane screw thread parcel workpiece (32) utmost point footpath, for detection of corner and adjust leveling aligning and the polar angle mainshaft mechanism (B) of flat thread parcel workpiece (32), the guide rails assembling casing (38) of tracking mode utmost point footpath measuring mechanism (A) is arranged on worktable and along the leading screw of leading screw elevating bracket (C) and is moved up and down by leading screw elevating bracket (C), leveling aligning and polar angle mainshaft mechanism (B) are arranged on the worktable of tracking mode utmost point footpath measuring mechanism (A) side-lower.
2. the mechanical hook-up of a kind of flat thread automatic measurement system according to claim 1, is characterized in that: described tracking mode utmost point footpath measuring mechanism comprises guide rails assembling casing (38), measuring head (2), driving head (1), measures the axis of guide (6), drives the axis of guide (36), micro-cylinder (20), in guide rails assembling casing (38), be provided with the measurement axis of guide (6) being arranged in parallel and drive the axis of guide (36), measure the axis of guide (6) and be positioned at the top that drives the axis of guide (36), measuring the axis of guide (6) is connected with an end side surface of L-type support (5) near leveling aligning and polar angle mainshaft mechanism (B) one end, measuring head (2) is arranged on the other end side of L-type support (5) by bearing pin (4), the close leveling aligning of the driving axis of guide (36) and polar angle mainshaft mechanism (B) one end are connected with driving head support (3), driving head (1) is arranged on driving head support (3) lower surface, driving head (1) and measuring head (2) be installed in parallel in measured flat thread parcel workpiece (32) directly over,
With measure the front panel (10) of the axis of guide (6) parallel corresponding guide rails assembling casing (38) on have for to the bar-shaped trough of measuring the observation of the axis of guide (6) sight line, on the front panel (10) of the measurement axis of guide (6) top, grating scale (39) is installed, the upper cover of the measurement axis of guide (6) in guide rails assembling casing (38) has chi adapter sleeve (8), moving chi adapter sleeve (8) slides along measuring the axis of guide (6), on moving chi adapter sleeve (8), be installed with moving chi brace (9), on moving chi brace (9), the moving chi that coordinates sight line observation with grating scale (39) is installed, measure the axis of guide (6) being connected away from leveling aligning and polar angle mainshaft mechanism (B) one end and adjusting pole (12), measuring head is installed on adjusting pole (12) and adjusts body (13) and measuring head spring brace (14), measuring head is adjusted body (13) and is positioned at measuring head spring brace (14) top, drive the axis of guide (36) being connected away from leveling aligning and polar angle mainshaft mechanism (B) one end and bracket at tail part (22), on bracket at tail part (22) end face, lever base plate (21) is installed, micro-cylinder (20) and lever dolly (19) are installed on lever base plate (21), lever shaft (16) is hinged on lever dolly (19) side by lever bearing pin, the piston rod of micro-cylinder (20) is connected with lever shaft (16) bottom being arranged in lever dolly (19), lever dolly (19) is stretched out on lever shaft (16) top, between driving head spring brace (17) and measuring head spring brace (14), be connected with spring (15).
3. the mechanical hook-up of a kind of flat thread automatic measurement system according to claim 2, it is characterized in that: when measurement, described driving head (1) is close to the side of flat thread parcel workpiece (32), measuring head (2) inserts in the threaded hole on flat thread parcel workpiece (32), and contacts with hole wall; Lever shaft (16) top is adjusted body (13) cooperation with measuring head and is contacted.
4. the mechanical hook-up of a kind of flat thread automatic measurement system according to claim 2, is characterized in that: on described L-type support (5) other end, be provided with for detection of the laser displacement sensor of displacement (37) vertically after flat thread parcel workpiece (32) rotation.
5. the mechanical hook-up of a kind of flat thread automatic measurement system according to claim 2, it is characterized in that: described leveling aligning and polar angle mainshaft mechanism (B) comprise round grating scale angle scale (27), leveling core-regulating platform (31), revolving shaft (29), scale (33), positive coupling (26), pneumatic triple piece (35), air-floating main shaft (30) and servomotor (25), servomotor (25) is arranged on frame (24) bottom of worktable, servomotor (25) is connected with revolving shaft (29) one end by positive coupling (26), revolving shaft (29) other end is connected with air-floating main shaft (30) by positive coupling (26), air-floating main shaft (30) upper end is connected with leveling core-regulating platform (31) through worktable, revolving shaft (29) is upper installs circle grating scale angle scale (27) by being fixedly connected with sheet (28), circle grating scale angle scale (27) side is provided with scale (33), scale (33) is arranged in frame (24) by scale mounting rod, frame (24) bottom surface is provided with pneumatic triple piece (35), pneumatic triple piece (35) connects by flexible pipe (34) air-floating main shaft (30).
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| CN201410183385.XA CN103968758B (en) | 2014-05-04 | 2014-05-04 | A kind of machinery of flat thread automatic measurement system |
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