CN109341616A - A kind of worm gear size detecting device - Google Patents
A kind of worm gear size detecting device Download PDFInfo
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- CN109341616A CN109341616A CN201811425463.7A CN201811425463A CN109341616A CN 109341616 A CN109341616 A CN 109341616A CN 201811425463 A CN201811425463 A CN 201811425463A CN 109341616 A CN109341616 A CN 109341616A
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- worm gear
- positioning
- sensor
- clamping
- rack
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
Abstract
The invention discloses a kind of worm gear size detecting devices, including rack, positioning and clamping mechanism is installed in the rack, worm gear internal spline testing agency, worm gear end surface measurement mechanism, the outer flank of tooth testing agency of worm gear, the positioning and clamping mechanism is for clamping worm gear, and worm gear rotation or vertical movement can be driven under clamp position, worm gear internal spline testing agency is located at the side of the worm gear end face after clamping, for detecting the dimensional parameters of worm gear internal spline structure, worm gear end surface measurement mechanism is located at the two sides of the worm gear end face after clamping, for detecting the dimensional parameters of worm gear end face structure, the outer flank of tooth testing agency of the worm gear is located at the side of the flank of tooth worm gear after clamping outer, for detecting the dimensional parameters of toothing outside worm gear.The present invention detects worm gear by using laser sensor automatically, improves the degree of automation, improves detection efficiency and detection accuracy, alleviates labor intensity.
Description
Technical field
The present invention relates to mechanical and automatic detection fields, more particularly to a kind of worm gear size detecting device.
Background technique
Worm gear has very high-precision requirement to its flute profile and inner hole splined hole in mechanical processing process, but in processing
In the process, certain manufacture deviation can all occur, be qualified parts if manufacture deviation is within the scope of tolerance range, if manufacture
Deviation not within the scope of tolerance range then need to re-work or scrap, so just need to have it size of tolerance into
Row detection.Detection method under regular situation is to be detected manually using the tools such as dial gauge to worm wheel surface, but this
Method low efficiency, large labor intensity, detection error are big, and defect rate is higher in the product for causing detection qualified, reduce product
Total quality, the use of substandard products product may seriously affect the working performance of mechanical equipment, reduce the service life of equipment, very
The probability to cause casualties to increase.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of worm gear size detecting devices, improve automation to realize
Degree, the purpose for improving detection efficiency, improving detection accuracy and reducing labor intensity.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of worm gear size detection dress is provided
It sets, for the detection of each dimensional parameters of worm gear, including rack, positioning and clamping mechanism is separately installed in the rack, in worm gear
Spline testing agency, worm gear end surface measurement mechanism, the outer flank of tooth testing agency of worm gear；
The positioning and clamping mechanism drives worm gear rotation or vertical movement under clamp position and determines for clamping worm gear
Position；
Worm gear internal spline testing agency is located at the side of the worm gear end face after clamping, for detecting worm gear internal spline knot
The dimensional parameters of structure；
Worm gear end surface measurement mechanism is located at the two sides of the worm gear end face after clamping, for detecting worm gear end face structure
Dimensional parameters；
The outer flank of tooth testing agency of the worm gear is located at the side of the flank of tooth worm gear after clamping outer, for detecting worm gear external tooth knot
The dimensional parameters of structure.
Further, the positioning and clamping mechanism includes clamping component, positioning component, and positioning component is located at clamping component
Underface；
The clamping component includes the first linear module for being perpendicularly fixed at rack side top, is driven by first linear module
The first dynamic fixing body, the lower rotation of the first fixing body are connected with rotary rollers, and the side of the first fixing body is equipped with driving
Second servo motor of rotary rollers rotation；
The positioning component includes the second linear mould group being perpendicularly fixed on rack work top, by the second linear mould group
Second fixing body of driving is rotatably connected to the first Positioning rollers, the second Positioning rollers, the second installation at the top of the second fixing body
The top two sides of body are also fixedly connected with positioning plate.
Further, first Positioning rollers, the second Positioning rollers simultaneously column distribution, and outer diameter phase in the second fixing body
Same, axis is located in the same horizontal plane.
Further, first Positioning rollers, the second Positioning rollers periphery center are provided with annular positioning
Protrusion, the surface of positioning protrusion and the outer toothed surface groove of worm gear match.
Further, the projection of the axis of the rotary rollers in the horizontal plane is located at the first Positioning rollers and the second positioning
The middle position that the axis of roller projects in the horizontal plane.
Further, worm gear internal spline testing agency includes the third linear mould being fixed on rack work top
Group, the first mounting plate driven by third linear mould group, the top surface of the first mounting plate is equipped with first sensor, first sensor
The side of positioning and clamping mechanism is provided with probe bracket, probe bracket is embedded with sensor far from the end of first sensor
Probe.
Further, worm gear end surface measurement mechanism includes the first mounting rack being fixed on rack work top,
Two mounting racks, the second sensor being fixed at the top of the first mounting rack, the 3rd sensor being fixed at the top of the second mounting rack, the
Two sensors and 3rd sensor are located at the two sides of positioning and clamping mechanism.
Further, the check bit of the second sensor, 3rd sensor is setting in same level, and is respectively positioned on
In the vertical plane where worm gear axis after clamping.
Further, the outer flank of tooth testing agency of the worm gear includes the 4th linear mould being fixed on rack work top
Group, the second mounting plate driven by the 4th linear mould group, the top of the second mounting plate is equipped with close to positioning and clamping mechanism side
The 4th sensor being set side by side and the 5th sensor.
Further, the detection position of the 4th sensor and the axis of the worm gear after clamping are located at same level
It is interior, and be located at in the worm gear mid-plane of the worm gear axis perpendicular after clamping.
Beneficial effects of the present invention are as follows:
1. the present invention detects worm gear by using sensor automatically, the overall dimension number of formal parameter can detect that
According to, the shortcomings that and judging whether each size qualified by comparative analysis, being not necessarily to artificial detection, overcome artificial detection with not
Foot, improves the detection efficiency of product；
2. the present invention is driven by using servo motor driving and linear mould group, determining for each sensor detection position is realized
Position has the characteristics that high transmission accuracy, stable drive, while positioning accuracy is high, improves the accuracy of testing result；
3. the positioning and clamping mechanism that the present invention is formed by using two groups of servo motor drivings and linear mould group drive mechanism,
It can be achieved to move up and down in the case that worm gear is clamped, positioning accuracy is high, improves the accuracy of testing result, adopts simultaneously
Rod and a clamping for driving rod to realize worm gear are positioned with two and in the rotation of clamped position, are put down so that worm gear rotates
Surely, it ensure that the detection accuracy of sensor.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the worm gear；
Fig. 2 is schematic perspective view of the invention；
Fig. 3 is the schematic perspective view of the worm gear positioning and clamping mechanism；
Fig. 4 is the schematic perspective view of worm gear internal spline testing agency；
Fig. 5 is the schematic perspective view of worm gear end surface measurement mechanism；
Fig. 6 is the schematic perspective view of the outer flank of tooth testing agency of the worm gear；
In figure: 1 worm gear, 11 external tooths, 12 end faces, 13R type groove, 14 boss, 15 internal splines, 2 positioning and clamping mechanisms, 21 clamp
Component, 210 first mounting bases, 211 first servo motors, 212 first lead screws, 213 first sliding blocks, 214 first fixing bodies, 215
Rotary rollers, 216 second servo motors, 22 positioning components, 220 second mounting bases, 221 third servo motors, 222 second
Thick stick, 223 second sliding blocks, 224 second fixing bodies, 225 first Positioning rollers, 226 second Positioning rollers, 227 positioning plates, 3 worm gears
Internal spline testing agency, 31 third mounting bases, 32 the 4th servo motors, 33 third lead screws, 34 third sliding blocks, 35 first installations
Plate, 36 first sensors, 37 probe brackets, 4 worm gear end surface measurement mechanisms, 41 first mounting racks, 42 second mounting racks, 43 second
Sensor, 44 3rd sensors, 5 worm gears outer flank of tooth testing agency, 51 the 4th mounting bases, 52 the 5th servo motors, 53 the 4th
Thick stick, 54 second mounting plates, 55 the 4th sensors, 56 the 5th sensors, 57 Four-sliders, 6 racks.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Referring to Fig. 1, the structure of existing worm gear 1 is as shown, include external tooth 11, end face 12, R type groove 13, boss 14, interior
Spline 15, dimensional parameters to be detected include the width of worm gear 1, the depth of two sides R type groove 13, the height of boss 14, external tooth 11
Central diameter, the bottom diameter of external tooth 11, the helical angle of external tooth 11, the transverse tooth thickness of internal spline 15, the major diameter of internal spline 15, internal spline 15 it is small
Diameter.
For purposes of illustration only, defining cartesian space rectangular coordinate system: the mass center of worm gear is coordinate origin, is axially X-axis side
To, vertical direction be Y direction, other direction is Z-direction.
Referring to Fig. 2, a kind of worm gear size detecting device, for the detection of each dimensional parameters of worm gear 1, including rack 6, machine
Positioning and clamping mechanism 2, worm gear internal spline testing agency 3, worm gear end surface measurement mechanism 4, the outer flank of tooth of worm gear are separately installed on frame 6
Testing agency 5.
Positioning and clamping mechanism 2 drives worm gear 1 to turn about the X axis or along Y-axis side for clamping worm gear 1, and under clamp position
It to movement and positions, after worm gear 1 is clamped, end face is perpendicular to X-direction, the outer flank of tooth perpendicular to Z-direction.Worm gear internal spline
Testing agency 3 is located at the X-axis negative sense of 1 clip position of worm gear, for detecting the dimensional parameters of 1 internal spline structure of worm gear.Worm gear end
Face testing agency 4 is located at the X-axis forward direction of 1 clip position of worm gear, negative sense, and the size for detecting 1 end face structure of worm gear is joined
Number.The outer flank of tooth testing agency 5 of worm gear is located at the Z axis negative sense of 1 clip position of worm gear, for detecting the size of the outer toothing of worm gear 1
Parameter.Each testing agency is distributed in the outside of worm gear 1, while so that meeting detection 1 each dimensional parameters of worm gear, overall structure
It is compact, occupied area is smaller.
Referring to Fig. 3, positioning and clamping mechanism 2 includes clamping component 21, positioning component 22, positioning component 22 is located at clamping group
The underface of part 21, worm gear 1 is between clamping component 21, positioning component 22.
Positioning component 22 is for the placement of worm gear 1 and the positioning of detection position, including is fixed on 6 work top of rack
The second linear mould group, by the second fixing body 224 of the second linear mould group driving, the second linear mould group uses ball screw type,
Including the second mounting base 220, the third servo motor 221 that is mounted on 220 bottom of the second mounting base, it is rotatably connected on the second installation
The second lead screw 222, the second sliding block 223 for being rotatably connected on the second lead screw 222 in seat 220.Third servo motor 221 it is defeated
Shaft end is fixedly connected with one end of the second lead screw 222 out, and third servo motor 221 is realized by driving the second lead screw 222 rotation
Second sliding block 223 is moved and is positioned along the y axis.
Second fixing body 224 is fixed on the surface of the second sliding block 223, and the top of the second fixing body 224 is rotatably connected to
One Positioning rollers 225, the second Positioning rollers 226, the first Positioning rollers 225, the second Positioning rollers 226 are used to carry worm gear 1, and
The rotation of auxiliary worm wheel 1.Preferably, the top two sides of the second fixing body 224 are also fixedly connected with positioning plate 227, positioning plate 227
The end face slidings of medial surface and two boss 14 of worm gear 1 be bonded, posture when placing for worm gear 1 limits and initially determines
Position, is quickly and accurately placed on the first Positioning rollers 225, the second Positioning rollers 226 convenient for worm gear 1.In addition, the first positioning
Roller 225, the second Positioning rollers 226 are in the second fixing body 224 and column distribution, and outer diameter is identical, axis is located at same level
In face, the setting of symmetrical structure can guarantee the stationarity that worm gear 1 is placed and rotated.
Preferably, first Positioning rollers 225,226 periphery center of the second Positioning rollers are provided with annular
Positioning protrusion (not shown), the surface of positioning protrusion match with the outer toothed surface groove of worm gear 1, so that worm gear 1 is placed
After on the first Positioning rollers 225, the second Positioning rollers 226, the vertical central plane, that is, YZ plane and the first registration roller of worm gear 1
The median plane of sub 225, second Positioning rollers 226 is automatically overlapped, and guarantees that the position of YZ plane is unique on positioning component 22
Determining, and worm gear 1 is not in the offset on X axis in rotation detection process.
Clamping component 21 is used to be fixedly clamped and fix the rotation of position after worm gear 1 is placed, including is fixed on 6 side of rack
First linear module at the top of face, the first fixing body 214 driven by first linear module, first linear module also uses ball
Screw type including the first mounting base 210, the first servo motor 211 being mounted at the top of the first mounting base 210, is rotatably connected on
The first lead screw 212 in first mounting base 210, the first sliding block 213 being rotatably connected on the first lead screw 212.First servo electricity
The output shaft end of machine 211 is fixedly connected with one end of the first lead screw 212, and first servo motor 211 passes through the first lead screw 212 of driving
Rotation, realize that first sliding block 213 is moved along the y axis and positioned.
First fixing body 214 is fixed on the surface of the first sliding block 213, and the lower rotation of the first fixing body 214, which is connected with, to be turned
Dynamic roller 215, the side of the first fixing body 214 is equipped with the second servo motor 216, the output shaft end of the second servo motor 216
It is connect by the transmission mechanism being located in the first fixing body 214 with the middle section axle portion of rotary rollers 215.Second servo motor 216
Rotary rollers 215 are driven to rotate by transmission mechanism, so that worm gear 1 be driven to turn about the X axis in its clip position.Transmission mechanism can
Using any one in gear drive, belt gear, synchronous belt drive mechanism, chain wheel driving mechanism, this implementation
Gear drive is used in example.Preferably, the projection of the axis of the rotary rollers 215 in the horizontal plane is located at the first positioning
The middle position that the axis of roller 225 and the second Positioning rollers 226 projects in the horizontal plane guarantees rotary rollers 215 to moving down
It can be pressed in the top of worm gear 1 after dynamic, and cooperate with the first Positioning rollers 225, the second Positioning rollers 226, worm gear 1 is reliably pressed from both sides
Tightly, and worm gear 1 is made original position can be kept to rotate in clamped position.
Referring to Fig. 4, worm gear internal spline testing agency 3 include be fixed on 6 work top of rack third linear mould group,
The first mounting plate 35 driven by third linear mould group, third linear mould group also use ball screw type, including third mounting base
31, the 4th servo motor 32 for being mounted on 31 side of third mounting base, the third lead screw being rotatably connected in third mounting base 31
33, the third sliding block 34 being rotatably connected on third lead screw 33.It is remotely located that 4th servo motor 32 is located at third mounting base 31
The side of clamp system 2, output shaft end are fixedly connected with one end of third lead screw 33, and the 4th servo motor 32 passes through driving the
The rotation of three lead screws 33 realizes that third sliding block 34 is moved and positioned along the x axis.
First mounting plate 35 is fixed on the top surface of third sliding block 34, and the top surface of the first mounting plate 35 is equipped with first sensor
36, first sensor 36 is provided with probe bracket 37 close to the side of positioning and clamping mechanism 2, and probe bracket 37 is far from the first sensing
The end of device 36 is embedded with sensor probe (not shown), and the check bit of sensor probe is setting on the axis of worm gear 1.
Since the internal diameter of worm gear 1 is smaller, common laser sensor can not be adopted in the present embodiment completely into the inside of worm gear 1
With the probe bracket 37 of triangular structure, and embedding hole is opened up in the tip top of probe bracket 37, by the sensor of small volume
Probe (as German rice according to spectral confocal sensor) be embedded in embedding hole, protruded into 1 inner hole of worm gear, passed by probe bracket 37
Sensor probe carries out data sampling, and sampled value is passed in first sensor 36.In the present embodiment, to guarantee probe bracket 37
In the internal splined hole that worm gear 1 can be can smoothly enter into, the top surface of positioning plate 227 is located at the subjacent of probe bracket 37.
Referring to Fig. 5, worm gear end surface measurement mechanism 4 includes the first mounting rack 41 being fixed on 6 work top of rack, the
Two mounting racks 42, the second sensor 43 for being fixed on 41 top of the first mounting rack, the third for being fixed on 42 top of the second mounting rack
Sensor 44, second sensor 43 and 3rd sensor 44 are located at the two sides of positioning and clamping mechanism 2.Preferably, it second passes
Sensor 43,3rd sensor 44 check bit setting in same level, and be respectively positioned in X/Y plane.
Referring to Fig. 6, the outer flank of tooth testing agency 5 of worm gear include the 4th linear mould group being fixed on 6 work top of rack,
By the second mounting plate 54 of the 4th linear mould group driving, the 4th linear mould group and using ball screw type, including the 4th mounting base
51, the 5th servo motor 52 for being mounted on 51 side of the 4th mounting base, the 4th lead screw being rotatably installed in the 4th mounting base 51
53, the Four-slider 57 being rotatably connected on the 4th lead screw 53.The output shaft end of 5th servo motor 52 and the 4th lead screw 53
One end is fixedly connected, and the 5th servo motor 52 realizes that Four-slider 57 moves along the x axis by driving the 4th lead screw 53 rotation
And positioning.
Four-slider 57 is located at the 4th mounting base 51 close to the side of positioning and clamping mechanism 2, and the second mounting plate 54 is fixed on
On the lateral surface of Four-slider 57, the top of the second mounting plate 54 is equipped with close to 2 side of positioning and clamping mechanism to be set side by side
4th sensor 55 and the 5th sensor 56.Preferably, the check bit of the 4th sensor 55 is setting on Z axis.5th sensor
The spacing of the detection position of 56 detection position and the 4th sensor 55 in the X-axis direction is certain.
In the present embodiment, each linear mould group is all made of the linear mould group of ball screw type of servo motor driving, has and passes
The small feature of dynamic precision height, stable drive, drive noise, while positioning accuracy is high.All the sensors in detection device are adopted
With laser sensor, have the advantages that detection speed is fast, measurement accuracy is high, passes through each preset data of acquisition worm gear 1 and acquire
The distance parameter of point, and parameter collection is summarized into the Data Analysis Software to computer (as based on LabVIEW software development
Data collection and analysis platform), the data of acquisition are carried out by emulation fitting by software, and calculate each detection ruler of worm gear
It is very little, it is compared with theoretic worm gear dimensional parameters, the Qualification of each size of detected worm gear can be analyzed.
The present invention also provides a kind of methods of worm gear size detection, detect worm gear automatically by worm gear size detecting device
Each dimensional parameters, the specific course of work is as follows:
(1) Set and Positioning process
Worm gear 1 is placed in the top middle position of the first Positioning rollers 225, the second Positioning rollers 226, due to positioning plate
227 posture limits and the effect of initial alignment, the axis of axis the first Positioning rollers 225 of worm gear 1, the second Positioning rollers 226
Line is parallel, periphery of the outer flank of tooth automatically with the first Positioning rollers 225, the second Positioning rollers 226 is in rolling contact, while first
Under positioning protrusion effect on Positioning rollers 225, the second Positioning rollers 226, worm gear 1 is automatically positioned in the axial direction, so that worm gear 1
Median plane on axis direction and the first Positioning rollers 225, the second Positioning rollers 226 axis on median plane be overlapped, complete
The complete positioning of worm gear 1.After the completion of positioning, starting first servo motor 211 works, and first servo motor 211 drives first
Thick stick 212 rotates, so that the first sliding block 213 of driving and other component fixed thereon move down together, until rotary rollers 215
Bottom end and worm gear 1 top contradict.Then 211 break-off of first servo motor, starting the second servo motor 216 work,
Second servo motor 216 drives rotary rollers 215 to rotate by gear drive, and rotary rollers 215 then pass through frictional force
Effect driving worm gear 1 is in clamped position around X-axis with certain rotational speed.At this point, worm gear 1 enters state to be detected.
(2) detection process
1 clamping of worm gear is completed after entering state to be detected, and corresponding laser sensor in each detection device is respectively started
The corresponding size parameter of worm gear 1 is detected.
1. the transverse tooth thickness of internal spline 15, major diameter, path size detection
First sensor 26 is opened, the 4th servo motor 32 is started, drives third sliding block 34 along X-axis by third lead screw 33
The mobile preset distance in direction, stretches to the sensor probe on probe bracket 37 in the internal splined hole of worm gear 1, the 4th servo
32 break-off of motor.Since the check bit of sensor probe is setting in the axial location of worm gear 1, flower in positional distance is detected
The maximum distance and minimum range of key 15 are steady state value, and during worm gear 1 is rotated with certain revolving speed, sensor is visited
Head carries out sampling site detection with inner surface of the constant frequency to internal spline 15, and the data point of acquisition is transmitted to the data point of computer
Analyse in software, can automatic Fitting go out the distribution curve of 15 major diameter size and path size of internal spline, the curve that collection point fits
For approximate rectangular square wave, to obtain the major diameter size and path dimension information of internal spline 15.Simultaneously as the revolving speed of worm gear 1
Centainly, the detection frequency of sensor probe is fixed, thus the single major diameter arc length of internal spline 15 in and single path arc length model
Collection point quantity in enclosing be it is constant, pass through the revolving speed of worm gear 1 and single major diameter arc length, single path arc length
Interior acquisition points, can calculate automatically the major diameter arc length and path arc length of internal spline 15, to obtain internal spline by software
15 transverse tooth thickness dimension information.
By 15 transverse tooth thickness of internal spline, major diameter, the path size that will be fitted, respectively with theoretical transverse tooth thickness, major diameter, path ruler
It is very little to compare and analyze, it can be determined that whether transverse tooth thickness, major diameter, the path size for going out internal spline 15 are qualified.After the completion of detection, close
First sensor 36, the 4th servo motor 32 of starting rotate backward, and reset each component of worm gear internal spline testing agency 3.
2. the central diameter of external tooth 11, bottom diameter, helical angle size detection
The 4th sensor 55 and the 5th sensor 56 are opened, the 5th servo motor 52 is started, is driven by the 4th lead screw 53
Four-slider 57 moves preset distance along the x axis, and the 4th sensor 55 and the 5th sensor 56 is made to reach detection position, snail
Wheel 1 is adopted with certain rotational speed, the 4th sensor 55 and the 5th sensor 56 with two of the constant frequency external flank of tooth respectively
Sample position carries out sampling site detection.The method handled by above-mentioned data collection and analysis can fit 1 mid-plane of worm gear respectively
Flute profile and the 5th sensor 56 detection position flute profile.By the way that the flute profile of the mid-plane fitted and theoretical flute profile are compared
Analysis, it can be determined that whether central diameter, the bottom diameter for going out external tooth 11 are qualified.Due to the 5th sensor 56 detection position and the 4th sensor
The spacing of 55 detection positions is certain, detects position by the flute profile and the 5th sensor 56 of 1 mid-plane of worm gear fitted
Flute profile can calculate corresponding external tooth helical angle.
Calculated external tooth helical angle and theoretical helical angle are compared and analyzed, it can be determined that go out the helical angle of external tooth 11
It is whether qualified.After the completion of detection, the 4th sensor 55 and the 5th sensor 56 are closed, the 5th servo motor 52 of starting reversely turns
It is dynamic, reset each component of the outer flank of tooth testing agency 5 of worm gear.
3. the height dimension of the width of worm gear 1, the depth of R type groove 13, boss 14 detects
After the completion of the internal splined hole of worm gear 1 and the detection of the outer flank of tooth, the second servo motor 216 is closed, worm gear 1 is made to stop turning
It is dynamic.Second sensor 43,3rd sensor 44 are opened, starts first servo motor 211 and third servo motor 221 works, make
First fixing body 214, the second fixing body 224 are moved up with identical speed, until worm gear 1 is moved to worm gear in the clamp state
1 width dimensions detect position, and the top of end face 12 is in the detection position of second sensor 43,3rd sensor 44 at this time.
Second sensor 43,3rd sensor 44 detect two detections the distance between positions and end face 12 respectively, due to the second biography
Sensor 43, two of 3rd sensor 44 detection positions relative positions fix, then the spacing of two detection positions are individually subtracted
Two detections the distance between positions and end face 12, can be obtained the width dimensions of worm gear 1.
Start first servo motor 211 simultaneously again and third servo motor 221 works, makes the first fixing body 214, second
Fixing body 224 is moved up with identical speed, until worm gear 1 is moved to the depth dimensions detection of R type groove 13 in the clamp state
Position, second sensor 43,3rd sensor 44 detect the distance between two detection positions and 13 slot bottom of R type groove respectively,
Due to two detect positions to worm gear 1 both sides of the face 12 distance after measured, pass through subtraction you can get it two sides R type
The depth dimensions of slot 13.
Start first servo motor 211 simultaneously again and third servo motor 221 works, makes the first fixing body 214, second
Fixing body 224 is moved up with identical speed, until worm gear 1 is moved to the height dimension check bit of boss 14 in the clamp state
It sets, second sensor 43,3rd sensor 44 detect the distance between two detection positions and 14 side of boss respectively, due to
Two detection positions to worm gear 1 both sides of the face 12 distance after measured, by subtraction, you can get it that 1 two sides of worm gear are convex
The height dimension of platform 14.
The width for the worm gear 1 that will test, the depth of R type groove 13, boss 14 height dimension respectively with theoretical size
It compares and analyzes, it can be determined that whether qualified go out the width of worm gear 1, the depth of R type groove 13, the height dimension of boss 14.Inspection
After the completion of survey, second sensor 43,3rd sensor 44 are closed, starts first servo motor 211 and 221 work of third servo motor
Make, resets each component of positioning and clamping mechanism 2, worm gear 2 is removed, into standby mode.
It is apparent that the worm gear size detecting device proposed by the invention based on multisensor, slightly to positioning and clamping mechanism
It adjusts or replaces, be equally applicable to other kinds of gear and the isostructural dimensional parameters of sprocket wheel, synchronizing wheel, splined shaft
Detection, appearance curve fitting and the automatic comparative analysis of testing result.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (9)
1. a kind of worm gear size detecting device is used for the detection of worm gear (1) each dimensional parameters, including rack (6), feature exists
In: positioning and clamping mechanism (2), worm gear internal spline testing agency (3), worm gear end surface measurement mechanism are installed on the rack (6)
(4), the outer flank of tooth testing agency (5) of worm gear；
The positioning and clamping mechanism (2) drives worm gear (1) rotation or vertical shifting for clamping worm gear (1) under clamp position
It moves and positions；
Worm gear internal spline testing agency (3) is located at the side of worm gear (1) end face after clamping, for detecting in worm gear (1)
The dimensional parameters of spline structure；
Worm gear end surface measurement mechanism (4) is located at the two sides of worm gear (1) end face after clamping, for detecting worm gear (1) end face
The dimensional parameters of structure；
The outer flank of tooth testing agency (5) of the worm gear is located at the side of worm gear (1) outer flank of tooth after clamping, for detecting worm gear (1)
The dimensional parameters of outer toothing.
2. a kind of worm gear size detecting device according to claim 1, it is characterised in that: the positioning and clamping mechanism (2)
Including clamping component (21), positioning component (22), positioning component (22) is located at the underface of clamping component (21)；
The clamping component (21) includes being perpendicularly fixed at the first linear module of rack (6) side top, by the first linear mould
The first fixing body (214) of group driving, the lower rotation of the first fixing body (214) are connected with rotary rollers (215), the first installation
The side of body (214) is equipped with the second servo motor (216) of driving rotary rollers (215) rotation；
The positioning component (22) includes the second linear mould group being perpendicularly fixed on rack (6) work top, linear by second
The second fixing body (224) of mould group driving is rotatably connected to the first Positioning rollers (225), the at the top of the second fixing body (224)
Two Positioning rollers (226), the top two sides of the second fixing body (224) are also fixedly connected with positioning plate (227).
3. a kind of worm gear size detecting device according to claim 2, it is characterised in that: first Positioning rollers
(225), the second Positioning rollers (226) are in the interior simultaneously column distribution of the second fixing body (224), and outer diameter is identical, axis is located at same water
In plane.
4. a kind of worm gear size detecting device according to claim 2, it is characterised in that: the rotary rollers (215)
The projection of axis in the horizontal plane is located at the axis of the first Positioning rollers (225) and the second Positioning rollers (226) in the horizontal plane
The middle position of projection.
5. a kind of worm gear size detecting device according to claim 1, it is characterised in that: the worm gear internal spline detection machine
Structure (3) includes the first mounting plate that the third linear mould group being fixed on rack (6) work top is driven by third linear mould group
(35), the top surface of the first mounting plate (35) is equipped with first sensor (36), and first sensor (36) is close to positioning and clamping mechanism
(2) side is provided with probe bracket (37), and probe bracket (37) is embedded with sensor far from the end of first sensor (36)
Probe.
6. a kind of worm gear size detecting device according to claim 1, it is characterised in that: worm gear end surface measurement mechanism
(4) include the first mounting rack (41) being fixed on rack (6) work top, the second mounting rack (42), be fixed on the first installation
Second sensor (43) at the top of frame (41), the 3rd sensor (44) being fixed at the top of the second mounting rack (42), the second sensing
Device (43) and 3rd sensor (44) are located at the two sides of positioning and clamping mechanism (2).
7. a kind of worm gear size detecting device according to claim 6, it is characterised in that: the second sensor (43),
The check bit of 3rd sensor (44) is respectively positioned on hanging down where worm gear (1) axis after clamping setting in same level
In straight plane.
8. a kind of worm gear size detecting device according to claim 1, it is characterised in that: the outer flank of tooth detection machine of the worm gear
Structure (5) includes the 4th linear mould group being fixed on rack (6) work top, by the second mounting plate of the 4th linear mould group driving
(54), the top of the second mounting plate (54) is equipped with the 4th sensor being set side by side close to positioning and clamping mechanism (2) side
(55) and the 5th sensor (56).
9. a kind of worm gear size detecting device according to claim 8, it is characterised in that: the 4th sensor (55)
Detection position and the axis of the worm gear (1) after clamping are located in the same horizontal plane, and are located at and worm gear (1) axis phase after clamping
In vertical worm gear mid-plane.
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| CN201811425463.7A CN109341616B (en) | 2018-11-27 | 2018-11-27 | Worm gear size detection device |
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| CN201811425463.7A CN109341616B (en) | 2018-11-27 | 2018-11-27 | Worm gear size detection device |
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| CN109341616B CN109341616B (en) | 2020-09-08 |
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