CN109186485A - A kind of axis class automatic testing method - Google Patents
A kind of axis class automatic testing method Download PDFInfo
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- CN109186485A CN109186485A CN201811405997.3A CN201811405997A CN109186485A CN 109186485 A CN109186485 A CN 109186485A CN 201811405997 A CN201811405997 A CN 201811405997A CN 109186485 A CN109186485 A CN 109186485A
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- detection
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- external control
- needle
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Automatic Assembly (AREA)
- Forging (AREA)
Abstract
The invention discloses a kind of axis class automatic testing methods, include the following steps: step S1, shaft forgings are assembled in guidance set and are positioned；Step S2 detects the shaft forgings being assemblied in guidance set using detection components；Wherein, detection components include slide unit and detection needle, and detection needle is driven by slide unit and moved, and touch whether the shaft forgings in guidance set precisely detect shaft forgings in place by detection needle.Axis class automatic testing method of the invention, detection is driven to be detected for the shaft forgings in guidance set by slide unit, whether in place shaft forgings are detected by the way of detection needle touching shaft forgings, with the presence or absence of scarce axis or shaft distortion, detection mode is reliable, it is testing agency's light structure, compact, it can be in small space to whether having axis in each detection through-hole, precisely detected with the presence or absence of shaft distortion etc..
Description
Technical field
The present invention relates to a kind of axis class automatic testing methods, belong to Shaft testing technical field.
Background technique
Some micro-machine small type stepping motors, synchronous motor etc. are always existed in production assembling process
Apparatus for small electric machine shaft can not carry out the problem of position detection before assembly.When the motor number of axle for needing while assembling is more, space bit
When it is mixed to set distribution, and being spaced smaller between axis and axis, it will usually using photoelectricity class sensing detection device directly to single axis
Placement position is detected, but this detection mode exist detected motor shaft spatially with other motor shafts to be detected
Interference is generated, the progress of position detection is unfavorable for.In addition, can also often carry out position detection using standard machinery mechanism, but mechanical
Mechanism is confined to small space again, can not all detect whether identification axis reaches designated position.
Based on defect existing for above-mentioned Photoelectric Detection and mechanical detection, people are more during apparatus for small electric machine shaft Assembling Production
A kind of axis class automatic detection mechanism has been wished to, the accurate detection to apparatus for small electric machine shaft rigging position has been realized, in conjunction with control system
It judges automatically, will test result and summarize feedback processing, realize intelligent measurement processing.
Summary of the invention
The technical problems to be solved by the present invention are: overcoming the deficiencies of the prior art and provide a kind of axis class side of detection automatically
Method, whether in place accurately to detect shaft forgings.
In order to solve the above-mentioned technical problem, the technical scheme is that a kind of axis class automatic testing method, including it is as follows
Step:
Step S1, shaft forgings are assembled in guidance set and are positioned；
Step S2 detects the shaft forgings being assemblied in guidance set using detection components；Wherein, detection components packet
Slide unit and detection needle are included, detection needle is driven by slide unit and moved, and touches the shaft forgings in guidance set to shaft forgings by detection needle
Whether precisely detected in place.
Further, the guidance set includes the first guide plate and push plate, utilizes the first pilot hole on the first guide plate
The shaft forgings of the detection through-hole entered in push plate are oriented to, shaft forgings are positioned using detection through-hole；Wherein, push plate
Bottom be provided with limition orientation slot, for detect needle movement be oriented to.
Further, in step sl, after shaft forgings enter detection through-hole, the position sensor in detection through-hole is set
Signal sent to external control system, external control system receives the shaft forgings of position sensor sending signal in place
Afterwards, external control system issues the signal detected to shaft forgings to detection components.
Further, detection components further include multiple groups fibre optical sensor, to detect detection needle touch shaft forgings after, detection
The location of needle, and the position signal that will test needle feeds back to external control system.
Further, detection components further include
Guide pin mounting blocks, which is provided with guide pin mounting hole, and detection needle slidably extends through in guide pin mounting hole；Guide pin peace
The first guide-lighting slot of each guide pin mounting hole of perforation, the second guide-lighting slot being provided at the backshank of each detection needle are provided on dress block；
Spring bumper cover, including cover board and multiple springs, cover board are connected in the tail end of guide pin mounting blocks, the tail of each detection needle
Portion is all connected with a spring, and one end of the spring is connected on the cover board, and the other end of spring is connected in detection needle
Tail portion；
Multiple groups fibre optical sensor, for issuing light beam and receiving beam signal；
In step s 2, when precisely being detected using detection for shaft forgings, and include the following steps:
Step T1, after slide unit receives the signal of external control system sending detected to shaft forgings, slide unit movement, band
Dynamic detection needle is mobile to make detection needle touch shaft forgings；
Step T2, shaft forgings generate resistance to detection needle, make to detect the spring that needle compresses its tail portion, detect on needle backshank
Second guide-lighting slot moves closer to the first guide-lighting slot, and when fibre optical sensor receives 80% or more beam signal, then optical fiber passes
Sensor issues the signal of shaft forgings precisely in place to external control system, and external control system control slide unit returns back to initial bit
It sets, so that detection needle be driven to reset；
Step T3, when the beam signal that fibre optical sensor receives is less than 80%, then external control system control slide unit returns
Multiple initial position, repeatedly step T1, T2 again, three times, the beam signal that fibre optical sensor receives is respectively less than for multiple re-detection
80%, then detection components stop working.
Further, detection components further include the first slide unit position sensor, in step T1, when the first slide unit position sensing
After device detects slide unit movement in place, the first slide unit position sensor issues slide unit signal in place to external control system, by outer
Portion's control system controls slide unit stopping movement.
Further, detection components further include the second slide unit position sensor, in step T2, T3, when the second slide unit position
After sensor detects that slide unit returns back to initial position, the second slide unit position sensor issues slide unit in place to external control system
Signal, by external control system control slide unit stopping movement.
Further, this detection method further includes step S3, drives push plate to be moved to next station using pushing component and carries out
Crimping assembly.
Further, guidance set further includes the second guide plate, and the second guide plate is installed on the bottom of the first guide plate, and second
The second pilot hole is also set up on guide plate；
In step s3, after push plate is pushed in place by pushing component, the shaft forgings in detection through-hole in push plate enter
In second pilot hole of the second guide plate, external control system controls last item component moving part, to the shaft forgings in the second pilot hole
Apply pressure, is assembled into junior's carrier.
Further, pushing component includes cylinder and cylinder pushing block, is issued when external control system receives fibre optical sensor
The accurate in place signal of shaft forgings after, external control system controls cylinder extending action, and cylinder is pushed away by cylinder pushing block
Plate moves forward, and detection through-hole is made to be moved to the position coaxial with the second pilot hole.
Further, pushing component further includes the first cylinder pushing block position sensor, when the first cylinder pushing block position sensor
After detecting the movement in place of cylinder pushing block, the first cylinder pushing block position sensor issues cylinder to external control system and stretches out in place
Signal, by external control system control cylinder stop extending action, meanwhile, control last item component movement, shaft forgings are assembled
Into junior's carrier.
Further, after the completion of the movement of last item component, last item component completes signal to external control system feedback last item movement,
Cylinders retract is controlled by external control system.
Further, pushing component further includes the second cylinder pushing block position sensor, when the second cylinder pushing block position sensor
After detecting that cylinder pushing block resets in place, the second cylinder pushing block position sensor issues cylinders retract in place to external control system
Signal, retract action is stopped by external control system control cylinder, entire detection is completed.
After above-mentioned technical proposal, the invention has the following advantages:
1) axis class automatic testing method of the invention drives detection to be examined for the shaft forgings in guidance set by slide unit
It surveys, whether in place to detect shaft forgings by the way of detection needle touching shaft forgings, if there are scarce axis or shaft distortion, detection modes
Reliably, testing agency's light structure, compact, can be in small space to whether having axis in each detection through-hole, whether there is
Shaft distortion etc. is precisely detected.
2) present invention installs spring in detection needle backshank, the extruding by shaft forgings to detection needle, makes the backshank for detecting needle
Spring is compressed.Reflect whether shaft forgings are accurate in place by way of spring-compressed, than existing simple Photoelectric Detection
Mode more precisely export more stable, more reliable, the service life is longer, and does not influence vulnerable to extraneous bad border, solves existing
High failure rate, the big problem of facility maintenance difficulty are detected in technology.
3) present invention issues light beam using multiple groups fibre optical sensor, when 80% or more by the way of Multi-point three-dimensional detection
Light beam can pass through the first guide-lighting slot and the second guide-lighting slot be received by fibre optical sensor again, then reflect that shaft forgings have arrived
Position.The present invention precisely detects the shaft forgings in each detection through-hole by detection needle
It is no receive 80% or more beam signal, to external control system feedback shaft forgings whether signal in place, such detection side
Method is more acurrate, does not influence vulnerable to extraneous bad border, and export more stable, reliable.
Detailed description of the invention
Fig. 1 is the perspective view of axis class automatic detection mechanism of the invention；
Fig. 2 is the perspective view of axis class automatic detection mechanism of the invention；
Fig. 3 is the perspective view of detection components of the invention；
Fig. 4 is the explosive view (slide unit is omitted) of detection components of the invention；
Fig. 5 is the perspective view of guidance set of the invention；
Fig. 6 is the explosive view of guidance set of the invention；
Fig. 7 is the explosive view (contrary with the explosion of Fig. 6) of guidance set of the invention；
Fig. 8 is the assembling stereogram of detection components and guidance set of the invention；
Fig. 9 is the sectional arrangement drawing of detection components and guidance set of the invention, wherein detection needle is in initial position；
Figure 10 is the sectional arrangement drawing of detection components and guidance set of the invention, wherein detection needle touches shaft forgings；
Figure 11 is the perspective view of pushing component of the invention；
Figure 12 is the explosive view of pushing component of the invention；
Figure 13 is that the cylinder of pushing component of the invention is in the state diagram of retracted mode；
Figure 14 is that the cylinder of pushing component of the invention is in the state diagram of stretching state；
Figure 15 is the flow chart of axis class automatic testing method of the invention.
Specific embodiment
In order that the present invention can be more clearly and readily understood, right below according to specific embodiment and in conjunction with attached drawing
The present invention is described in further detail.
Unless not defining, the technical term or scientific term used herein, which is should be in fields of the present invention, to be had
The ordinary meaning that the personage of general technical ability is understood." first " used in the invention patent specification and claims,
" second " and similar word are not offered as any sequence, quantity or importance, and are used only to distinguish different compositions
Part.Equally, the similar word such as "one" or " one " does not indicate that quantity limits yet, but indicates that there are at least one.
Embodiment 1:
As shown in Figures 1 to 7, a kind of axis class automatic detection mechanism, including guidance set 3 and detection components 2.
The guidance set 3 includes the first guide plate 31 and push plate 32, is provided with multiple first on first guide plate 31
Pilot hole 311, push plate 32 is set on the first guide plate 31, the lower section of the first pilot hole 311, also, with first in push plate 32
The corresponding position of pilot hole 311 be provided with detection through-hole 321, also, the detection through-hole 321 it is coaxial with the first pilot hole 311 and
It corresponds, so that shaft forgings are entered in corresponding detection through-hole 321 by the first pilot hole 311.Push plate 32 is located at initial shape
When state, the first pilot hole 311 at this time on the first guide plate 31 is coaxial with the detection through-hole 321 in push plate 32, shaft forgings (such as
Apparatus for small electric machine shaft) by the guiding of the first pilot hole 311 of the first guide plate 31 after, enter push plate 32 through the first pilot hole 311
Detection through-hole 321 in positioned, the detection needle 23 of detection components 2 is still in home position state at this time.The bottom of push plate 32
Portion is provided with limition orientation slot 322, and limition orientation slot 322 moves detection needle 23 wherein, provides to detect the sliding of needle 23
Space, and the glide direction of detection needle 23 is oriented to.Limition orientation slot 322 and 321 vertical connection of detection through-hole, make
It detects needle 23 to slide along limition orientation slot 322, until detection needle 23 enters detection through-hole 321, carries out touching detection through-hole 321
In shaft forgings.
The detection components 2 include slide unit 22 and detection needle 23, and detect needle 23 and driven by slide unit 22 along the limit
Guide groove 322 slides, to touch the shaft forgings in detection through-hole 321.Needle 23 is detected to be driven by slide unit 22 in limition orientation slot 322
Middle back-and-forth motion, detection needle 23 enter detection through-hole 321 through limition orientation slot 322, and detection needle 23 is made to touch detection through-hole 321
In shaft forgings.Push plate 32, which is equipped with, detects dedicated limition orientation slot 322, conducive to the accurate positioning and installation of detection components 2.
When push plate 32 is located at original state, the detection through-hole 321 in push plate 32 and the first guiding on the first guide plate 31
Hole 311 is coaxial, and shaft forgings (such as apparatus for small electric machine shaft) enter detection through-hole 321 by the first pilot hole 311, at this time detection components
For 2 detection needle 23 under the action of slide unit 22, detection needle 23 is mobile along limition orientation slot 322, and touching shaft forgings carry out axle position
The detection set, whether in place to detect shaft forgings, if the problems such as there are scarce axis or shaft distortions, when shaftless in detection through-hole 321
Or there is bending in axis, then whether detection needle 23 cannot touch shaft forgings in time, so as to having in each detection through-hole 321
Axis is precisely detected.
Axis class automatic detection mechanism of the invention drives detection to be detected for the shaft forgings in guidance set by slide unit,
Whether in place shaft forgings are detected by the way of detection needle touching shaft forgings, if there are scarce axis or shaft distortion, detection mode can
It leans on, it is testing agency's light structure, compact, it can be in small space to whether having axis in each detection through-hole 321, whether there is
Shaft distortion etc. is precisely detected.
It is preferably equipped on the first pilot hole 311 on first guide plate 31 for the first pilot hole 311 of entrance
Spindle guide that interior shaft forgings are oriented to set 35, spindle guide set 35 are removably assemblied on the first pilot hole 311, to entering first
The shaft forgings of pilot hole 311 are oriented to, and can smoothly enter into shaft forgings in the first guiding 311.
Embodiment 2:
The present embodiment 2 on the basis of embodiment 1, advanced optimizes the structure of detection components 2, makes to detect the axis in through-hole
Like members can be accurately detected.
As shown in Fig. 3 to Fig. 4, Fig. 8 to Fig. 9, the detection components 2 further include guide pin mounting blocks 21 and spring bumper cover, with
And slide unit connecting plate 26.
Guide pin mounting blocks 21 are equipped with guide pin mounting hole 211, and guide pin mounting hole 211 is for accommodating detection needle 23, for detection
Sliding back and forth for needle 23 provides space.The detection needle 23 slidably extends through in guide pin mounting hole 211.The guide pin installation
Block 21 is assemblied on the slide unit 22 by the slide unit connecting plate 26.Slider cylinder can be used in slide unit 22, as detection needle
23 power source.Slide unit can also be the component that can automatically continuously move, for driving guide pin mounting blocks 21, detection needle 23 and bullet
Spring cover board is moved forward and backward jointly.
Spring bumper cover, including cover board 25 and multiple springs 24, cover board 25 are connected in the tail end of guide pin mounting blocks 21, Mei Gejian
The tail portion of stylus 23 is all connected with a spring 24, and one end of the spring 24 is connected on cover board 25, spring 24 it is another
One end is connected in the tail portion of detection needle 23.
After detection components 2, which receive control system, can carry out the signal of position detection to shaft forgings, in the present embodiment,
For shaft forgings by taking apparatus for small electric machine shaft as an example, control system controls the slider cylinder movement on slide unit 22, drives guide pin mounting blocks 21, inspection
Stylus 23 and spring bumper cover integrally move forward, and make to detect needle 23 along the sliding of limition orientation slot 322.Each detection needle 23 is corresponding
One detection through-hole 321, to guarantee the detecting of being refined of apparatus for small electric machine shaft in each detection through-hole 321.Work as inspection
After stylus 23 touches apparatus for small electric machine shaft, the needle point of needle 23 is detected by apparatus for small electric machine shaft to its resistance, makes to detect needle 23
Backshank compresses spring 24.Extruding by apparatus for small electric machine shaft to detection needle 23, the mode for compressing spring 24 detect small
Whether type motor shaft is accurate in place, and than the mode of existing simple Photoelectric Detection, output is more stable, more reliable, and service life is more
It is long, and do not influenced vulnerable to extraneous bad border, it solves and detects high failure rate in the prior art, the big problem of facility maintenance difficulty.
Apparatus for small electric machine shaft passes through detection 23 compressed spring 24 of needle, in order to whether in place accurately reflect apparatus for small electric machine shaft, institute
Stating detection components 2 further includes fibre optical sensor 27, to detect the position of the detection needle 23, and will test the position letter of needle 23
Number feed back to external control system.
The first guide-lighting slot 212 of each guide pin mounting hole 211 of perforation, each detection needle 23 are provided on the guide pin mounting blocks 21
Backshank at the second guide-lighting slot 231 for being provided with, what the first guide-lighting slot and the second guide-lighting slot were used to that fibre optical sensor 27 to be made to issue
Light beam passes through.The fibre optical sensor 27 is provided with multiple groups, and the present embodiment is for being arranged 5 groups, every group of fibre optical sensor
It issues light beam and is received again.When the first guide-lighting slot is gradually overlapped with the second leaded light groove location, fibre optical sensor 27
The light beam of sending can be received again after the first guide-lighting slot 212 and the second guide-lighting slot 231.
After detecting the touching apparatus for small electric machine shaft of needle 23, apparatus for small electric machine shaft makes the second guide-lighting slot by detecting 23 pressuring spring 24 of needle
231 move closer to the first guide-lighting slot 212, when 5 groups of fibre optical sensors 27 receive 4 beams or more i.e. 80% or more beam signal
When, then fibre optical sensor 27 issues the signal of apparatus for small electric machine shaft in place to external control system.It in practice, can also be with two leaded lights
The registration or overlapping area of slot are standard determination.5 groups of light beams are uniformly distributed along the first guide-lighting slot 212, when the weight of two guide-lighting slots
Right or overlapping area reaches 80% or more, it is considered that 80% or more light beam can be again received, then fibre optical sensor
27 issue the signal of apparatus for small electric machine shaft in place to external control system.First guide-lighting slot 212 is preferably U-type groove, the second guide-lighting slot
231 U-type grooves preferably identical with the first leaded light slot 212.The specific working principle is as follows: fibre optical sensor 27 is arranged 5 groups, is examining
When surveying apparatus for small electric machine shaft, apparatus for small electric machine shaft makes the first guide-lighting slot 212 and the second guide-lighting slot by detection 23 compressed spring 24 of needle
231 move closer to, and in 5 groups of light beams that fibre optical sensor 27 issues, have 4 groups of light beams to be received again by fibre optical sensor 27, then
Light is worn signal and is transferred to external control system by fibre optical sensor 27, issues the letter of apparatus for small electric machine shaft precisely in place by control system
Number, then the driving of slide unit 22 detection needle 23 returns to initial position, completes to the whether accurate detection in place of apparatus for small electric machine shaft.
If detect needle 23 detect apparatus for small electric machine shaft whether in place during, all detection 23 backshanks of needle second are led
When the registration of the first guide-lighting slot on light slot and external guide pin mounting blocks is lower than 80%, that is to say, that 5 groups of fibre optical sensors 27
The beam signal received is lower than 80%, then under the driving of slide unit 22, guide pin mounting blocks 21, detection needle 23 and spring bumper cover are returned
Initial position is returned, prepares to detect the apparatus for small electric machine shaft in detection through-hole again, registration is below three times for continuous detection
80%, then the slider cylinder on slide unit 22 drives guide pin mounting blocks 21, detection needle 23 and spring bumper cover to reset jointly, Fibre Optical Sensor
Device 27 feeds back fault-signal to control system, and entire detection components 2 stop working.
Embodiment 3:
On the basis of embodiment 2, in order to which the shaft forgings in automatic traction push plate 32 are accurately assembled, extremely such as Fig. 1
Shown in Figure 14, in the present embodiment 3, this axis class automatic detection mechanism further includes pushing component 1, and pushing component 1 includes 11 He of cylinder
Cylinder pushing block 13, cylinder pushing block 13 are connected on the piston rod of cylinder 11, push plate of the cylinder pushing block 13 also with the guidance set
32 are connected, and 32 slidable fit of push plate is on the first guide plate 31, to push the push plate 32 to lead along first by cylinder 11
It is slid back and forth to plate 31.Cylinder provides power along the sliding of the first guide plate 31 for push plate 32, assembles on the piston rod of cylinder 11
Cylinder pushing block 13 drives push plate 32 mobile indirectly by the connection of cylinder pushing block 13 and push plate 32.Detection through-hole to push plate 32
In shaft forgings through detection components 2 detection after, drive shaft forgings therein to be moved to next station by push plate 32 and crimped.
After push plate 32 drives shaft forgings to be moved to next station, in order to be positioned to shaft forgings, the guidance set 3
It further include the second guide plate, the second guide plate is installed on the bottom of the first guide plate 31, and the second guide plate extends to push plate
32 321 lower section of detection through-hole passes through the second guiding when shaft forgings, which enter detection through-hole 321, receives the detection of detection components 2
Plate accepts the shaft forgings in detection through-hole 321.The second pilot hole is also set up on second guide plate, when push plate 32 is by pushing component
After 1 pushes in place, the detection through-hole 321 in push plate 32 is directed at second pilot hole, and the shaft forgings detected in through-hole 321 enter
Second pilot hole, and by last item mechanism (not embodied in figure) to shaft forgings (such as the micro-machine entered in the second pilot hole
Axis) apply pressure, it is pre-assembled in junior's carrier.Preferably, second guide plate includes intermediate guide plate 33 and send axis
Guide plate 34, intermediate guide plate 33 are fixedly connected with spindle guide plate 34 is sent by positioning pin 35, are provided with first through hole on intermediate guide plate 33
331, it send and is provided with the second through-hole 341 on spindle guide plate 34, wherein the position of first through hole 331 and the second through-hole 341 corresponds, the
One through-hole 331 and the second through-hole 341 form second pilot hole.The present invention drives push plate 32 mobile by pushing component structure,
The precise positioning of the shaft forgings in the detection through-hole 321 of push plate 32, and pushing component 1 of the invention and guiding group may be implemented
It is 3 light structure of part, compact, it is convenient for safeguarding.
The pushing component 1 further includes bottom plate 17 and cylinder supporting block 16, and the cylinder 11 and cylinder supporting block 16 are solid
It is scheduled on bottom plate 17, cylinder supports block 16 is used to support the piston rod of cylinder 11, and is oriented to positioning screw 15.
The pushing component 1 further includes buffer stopper 12 and buffer 14, and buffer 14 is installed on the buffer stopper 12, is delayed
It rushes block 12 to be fixed on bottom plate 17, the two sides of the cylinder pushing block (13) are provided with the flank 131 being wholely set, and pacify on flank 31
Fill positioning screw 15, buffer 14 described in 15 face of positioning screw.Buffer 14 is used for positioning screw 15 with cylinder pushing block 13
Impact force when retraction is buffered.When pushing component 1 bounces back under control of the control system, cylinder pushing block 13 is driven to reply
To initial position, positioning screw 15 and buffer 14 interact, and the impact of positioning screw 15 is buffered by buffer 14.
Figure 13 shows the state that pushing component 1 is in initial position:
When pushing component 1 is in initial position, push plate 32 is also at initial position, first leads in the first guide plate 31 at this time
Coaxial to hole 311 and detection through-hole 321 in push plate 32, shaft forgings (such as apparatus for small electric machine shaft) pass through spindle guide set 35 and the first guide plate
31 are delivered in the detection through-hole 321 of push plate 32 and are positioned, and then pass through the axis classes in 2 pairs of detection components detection through-holes 321
Part is detected, wherein detection needle 23 touches detection along the limition orientation slot 322 of 32 bottom of push plate under the drive of slide unit 22
Shaft forgings in through-hole 321 carry out the detection of shaft position.After detection, detection components 2 reset.
Figure 14 shows pushing component and pushes the mobile state in place of push plate 32:
After control system issues apparatus for small electric machine shaft precisely signal in place, by 11 pusher cylinder pushing block 13 of cylinder, pass through
Cylinder pushing block 13 drives push plate 32 mobile, until push plate 32 is moved to detection through-hole and first through hole 331, the second through-hole 341 are total
Axis realizes that shaft forgings (such as apparatus for small electric machine shaft) is entered in the second through-hole 341 by first through hole 331, and passes through last item mechanism (figure
In do not embody) to enter the second through-hole 341 in shaft forgings (such as apparatus for small electric machine shaft) apply pressure, be pre-assembled to junior load
In tool.
It is achievable to axis class using above-mentioned axis class automatic detection mechanism on the basis of above-mentioned axis class automatic detection mechanism
The automatic detection of part.
As shown in figure 15, a kind of axis class automatic testing method, includes the following steps:
Step S1, shaft forgings are assembled in guidance set and are positioned；
Step S2 detects the shaft forgings being assemblied in guidance set using detection components；Wherein, detection components 2
Including slide unit 22 and detection needle 23, detection needle 23 is driven by slide unit 22 and is moved, and the axis in guidance set is touched by detection needle 23
Whether like members precisely detects shaft forgings in place.
Axis class automatic testing method of the invention drives detection to be examined for the shaft forgings in guidance set by slide unit
It surveys, whether in place to detect shaft forgings by the way of detection needle touching shaft forgings, if there are scarce axis or shaft distortion, detection modes
Reliably, whether testing agency's light structure, compact, can be in small space to whether having axis in each detection through-hole 321, deposit
It is precisely detected in shaft distortion etc..
In order to be oriented to and be positioned to shaft forgings, the guidance set 3 includes the first guide plate 31 and push plate 32, is utilized
The shaft forgings of 311 pairs of the first pilot hole detection through-holes 321 entered in push plate 32 on first guide plate 31 are oriented to, and are utilized
Detection through-hole 321 positions shaft forgings.Specifically, the first pilot hole 311 there are three being opened on the first guide plate 31, push plate
It 32 is set on the first guide plate 31, the lower section of the first pilot hole 311, also, corresponding with the first pilot hole 311 in push plate 32
Position is provided with detection through-hole 321, also, the detection through-hole 321 is coaxial with the first pilot hole 311 and corresponds, so as to axis
Like members is entered in corresponding detection through-hole 321 by the first pilot hole 311.Moreover, the bottom of push plate 32 is provided with limition orientation
Slot 322 is oriented to detect the movement of needle 23.
In step sl, as a preferred embodiment, after shaft forgings enter detection through-hole 321, setting is in detection through-hole
Position sensor in 321 sends signal to external control system, and external control system receives position sensor sending
For shaft forgings in place after signal, external control system issues the signal detected to shaft forgings to detection components 2.Utilize installation
Whether the position sensor Preliminary detection shaft forgings therein in detection through-hole 321 in place recycle detection components 2 right
Shaft forgings are precisely detected.Certainly, shaft forgings are detected to the sending of detection components 2 in order to trigger external control system
Signal can also control system from the mechanism of a upper process to outside after the completion of shaft forgings to be fitted into the process of guidance set
System sends the signal that assembly process finishes, and after external control system receives the signal that assembly process finishes, controls detection components 2
Shaft forgings are detected.
Whether accurate in place in order to detect the shaft forgings in each detection through-hole, detection components further include multiple groups Fibre Optical Sensor
Device 27, to detect after detection needle 23 touches shaft forgings, the location of detection needle 23 utilizes the change in location of detection needle 23
It is whether accurate in place to reflect shaft forgings, and the position signal that will test needle 23 feeds back to external control system.
Specifically, detection components further include
Guide pin mounting blocks 21, which is provided with guide pin mounting hole 211, and detection needle 23 is slidably extended through in guide pin mounting hole
In 211；The first guide-lighting slot 212 of each guide pin mounting hole 211 of perforation, the backshank of each detection needle 23 are provided on guide pin mounting blocks 21
Locate the be provided with second guide-lighting slot 231；
Spring bumper cover, including cover board 25 and multiple springs 24, cover board 25 are connected in the tail end of guide pin mounting blocks 21, Mei Gejian
The tail portion of stylus 23 is all connected with a spring 24, and one end of the spring 24 is connected on cover board 25, spring 24 it is another
One end is connected in the tail portion of detection needle 23；
Multiple groups fibre optical sensor 27, for issuing light beam and receiving beam signal；The present embodiment is to be arranged 5 groups of Fibre Optical Sensors
For device 27.
In step s 2, when precisely being detected using detection for shaft forgings, and include the following steps:
Step T1, after slide unit 22 receives the signal of external control system sending detected to shaft forgings, slide unit 22 is dynamic
Make, drives detection needle 23 is mobile detection needle 23 is made to touch shaft forgings；
Step T2, shaft forgings generate resistance to detection needle 23, make to detect the spring 24 that needle 23 compresses its tail portion, detect needle 23
The second guide-lighting slot 231 on backshank moves closer to the first guide-lighting slot 212, and the first guide-lighting slot is gradually overlapped with the second guide-lighting slot, when
The registration of two guide-lighting slots is more than 80%, when fibre optical sensor 27 receives the beam signal of 4 beams or more, then it represents that detection through-hole
Precisely in place, fibre optical sensor 27 issues the signal of shaft forgings precisely in place to external control system, outside for shaft forgings in 321
Control system control slide unit 22 in portion's returns back to initial position, so that detection needle 23 be driven to reset；
Step T3, when the beam signal that fibre optical sensor 27 receives is less than 80%, then external control system controls slide unit
22 reply initial positions, again repeatedly step T1, T2, multiple re-detection three times, as long as once fibre optical sensor 27 receives
Beam signal reaches 80% or more, then fibre optical sensor 27 issues the signal of shaft forgings precisely in place to external control system, outside
Control system control slide unit 22 in portion's returns back to initial position, so that detection needle 23 be driven to reset.If multiple re-detection is three times, optical fiber is passed
The beam signal that sensor 27 receives is respectively less than 80%, then detection components 2 stop working.
The present invention issues light beam by the way of Multi-point three-dimensional detection, using multiple groups fibre optical sensor 27, when the first leaded light
Slot and the second guide-lighting slot registration reach 80% or more, so that 80% or more light beam passes through the first guide-lighting slot and the second guide-lighting slot
It is received again by fibre optical sensor 27, and the registration of the first guide-lighting slot and the second guide-lighting slot depends on whether detection needle is touched
To shaft forgings, compressed spring is moved.By detecting whether in place needle precisely detects each shaft forgings detected in through-hole,
Whether the beam signal for whether receiving 80% or more by fibre optical sensor 27 again arrives to external control system feedback shaft forgings
The signal of position, such detection method is more acurrate, does not influence vulnerable to extraneous bad border, and export more stable, reliable.
Detection components further include the first slide unit position sensor, in step T1, when the first slide unit position sensor detects
To after the movement in place of slide unit 22, the first slide unit position sensor issues slide unit signal in place to external control system, is controlled by outside
System control 22 stopping of slide unit movement processed.
Detection components further include the second slide unit position sensor, in step T2, T3, when the second slide unit position sensor is examined
It measuring after slide unit 22 returns back to initial position, the second slide unit position sensor issues slide unit signal in place to external control system,
By external control system control 22 stopping of slide unit movement.
After shaft forgings detect, in order to make shaft forgings can smoothly enter into subsequent processing, this detection method further includes step S3,
It drives push plate 32 to be moved to next station using pushing component 1 and carries out crimping assembly.
Guidance set 3 further includes the second guide plate, and the second guide plate is installed on the bottom of the first guide plate 31, the second guiding
The second pilot hole is also set up on plate；
In step s3, the axis in detection through-hole 321 after push plate 32 is pushed in place by pushing component 1, in push plate 32
Like members enters in the second pilot hole of the second guide plate, and external control system controls last item component moving part, in the second pilot hole
Shaft forgings apply pressure, be assembled into junior's carrier.
Pushing component 1 includes cylinder 11 and cylinder pushing block 13, is issued when external control system receives fibre optical sensor 27
The accurate in place signal of shaft forgings after, external control system controls 11 extending action of cylinder, and cylinder 11 passes through cylinder pushing block 13
It pushes push plate 32 to move forward, detection through-hole 321 is made to be moved to the position coaxial with the second pilot hole.
Pushing component 1 further includes the first cylinder pushing block position sensor, when the first cylinder pushing block position sensor detects
After the movement in place of cylinder pushing block 13, the first cylinder pushing block position sensor issues the letter of cylinder stretching in place to external control system
Number, extending action is stopped by external control system control cylinder 11, meanwhile, shaft forgings are assembled to by control last item component movement
In junior's carrier.
After the completion of the movement of last item component, last item component completes signal to external control system feedback last item movement, by outside
Control system controls cylinders retract.
Pushing component further includes the second cylinder pushing block position sensor, when the second cylinder pushing block position sensor detects gas
After cylinder pushing block 13 resets in place, the second cylinder pushing block position sensor issues the letter of cylinders retract in place to external control system
Number, retract action is stopped by external control system control cylinder 11, entire detection is completed, into next circulation.
Particular embodiments described above, pair present invention solves the technical problem that, technical scheme and beneficial effects carry out
It is further described, it should be understood that the above is only a specific embodiment of the present invention, is not limited to this
Invention, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in this hair
Within bright protection scope.
Claims (13)
1. a kind of axis class automatic testing method, characterized by the following steps:
Step S1, shaft forgings are assembled in guidance set and are positioned；
Step S2 detects the shaft forgings being assemblied in guidance set using detection components；Wherein, detection components (2) are wrapped
Slide unit (22) and detection needle (23) are included, detection needle (23) is driven by slide unit (22) and moved, and touches guiding group by detection needle (23)
Whether the shaft forgings in part precisely detect shaft forgings in place.
2. axis class automatic testing method according to claim 1, it is characterised in that: the guidance set (3) includes first
Guide plate (31) and push plate (32), using the first pilot hole (311) on the first guide plate (31) in entrance push plate (32)
The shaft forgings of detection through-hole (321) are oriented to, and are positioned using detection through-hole (321) to shaft forgings；Wherein, push plate (32)
Bottom be provided with limition orientation slot (322), for detect needle (23) movement be oriented to.
3. axis class automatic testing method according to claim 2, it is characterised in that: when shaft forgings enter detection through-hole
(321) after, the position sensor being arranged in detection through-hole (321) sends signal, external control system to external control system
The shaft forgings of position sensor sending are received in place after signal, external control system issues to axis detection components (2)
The signal that like members is detected.
4. axis class automatic testing method according to claim 1, it is characterised in that: detection components further include that multiple groups optical fiber passes
Sensor (27) to detect detection the location of needle (23) after detection needle (23) touches shaft forgings, and will test needle (23)
Position signal feed back to external control system.
5. axis class automatic testing method according to claim 4, it is characterised in that: detection components further include
Guide pin mounting blocks (21) which is provided with guide pin mounting hole (211), and detection needle (23) is slidably extended through in guide pin mounting hole
(211) in；The first guide-lighting slot (212) of each guide pin mounting hole (211) of perforation, each detection needle are provided on guide pin mounting blocks (21)
(23) the guide-lighting slot (231) of second be provided at backshank；
Spring bumper cover, including cover board (25) and multiple springs (24), cover board (25) are connected in the tail end of guide pin mounting blocks (21), often
The tail portion of a detection needle (23) is all connected with a spring (24), and one end of the spring (24) is connected in cover board (25)
On, the other end of spring (24) is connected in the tail portion of detection needle (23)；
Multiple groups fibre optical sensor (27), for issuing light beam and receiving beam signal；
In step s 2, when precisely being detected using detection for shaft forgings, and include the following steps:
Step T1, after slide unit (22) receives the signal of external control system sending detected to shaft forgings, slide unit (22) is dynamic
Make, drives detection needle (23) is mobile detection needle (23) is made to touch shaft forgings；
Step T2, shaft forgings generate resistance to detection needle (23), make to detect the spring (24) that needle (23) compress its tail portion, detect needle
(23) the guide-lighting slot (231) of second on backshank moves closer to the first guide-lighting slot (212), when fibre optical sensor (27) receives 80%
When the above beam signal, then fibre optical sensor (27) issues the signal of shaft forgings precisely in place to external control system, external
Control system control slide unit (22) returns back to initial position, so that detection needle (23) be driven to reset；
Step T3, when the beam signal that fibre optical sensor (27) receives is less than 80%, then external control system controls slide unit
(22) reply initial position, again repeatedly step T1, T2, multiple re-detection three times, the light beam letter that fibre optical sensor (27) receives
Number be respectively less than 80%, then detection components (2) stop working.
6. axis class automatic testing method according to claim 5, it is characterised in that: detection components further include the first slide unit position
Sensor is set, in step T1, after the first slide unit position sensor detects slide unit (22) movement in place, the first slide unit position
Sensor issues slide unit signal in place to external control system, by external control system control slide unit (22) stopping movement.
7. axis class automatic testing method according to claim 6, it is characterised in that: detection components further include the second slide unit position
Sensor is set, in step T2, T3, after the second slide unit position sensor detects that slide unit (22) returns back to initial position, the
Two slide unit position sensors issue slide unit signal in place to external control system, are stopped by external control system control slide unit (22)
Movement.
8. axis class automatic testing method according to claim 7, it is characterised in that: this detection method further includes step S3,
It drives push plate (32) to be moved to next station using pushing component (1) and carries out crimping assembly.
9. axis class automatic testing method according to claim 8, it is characterised in that: guidance set (3) further includes second leading
To plate, the second guide plate is installed on the bottom of the first guide plate (31), and the second pilot hole is also set up on the second guide plate；
In step s3, after push plate (32) is pushed in place by pushing component (1), in the detection through-hole (321) in push plate (32)
Shaft forgings enter the second guide plate the second pilot hole in, external control system control last item component moving part, to second be oriented to
Shaft forgings in hole apply pressure, are assembled into junior's carrier.
10. axis class automatic testing method according to claim 9, it is characterised in that: pushing component (1) includes cylinder (11)
With cylinder pushing block (13), when external control system receives the accurate in place signal of shaft forgings of fibre optical sensor (27) sending
Afterwards, external control system controls cylinder (11) extending action, and cylinder (11) pushes push plate (32) forward by cylinder pushing block (13)
It is mobile, so that detection through-hole (321) is moved to the position coaxial with the second pilot hole.
11. axis class automatic testing method according to claim 10, it is characterised in that: pushing component (1) further includes first
Cylinder pushing block position sensor, after the first cylinder pushing block position sensor detects cylinder pushing block (13) movement in place, first
Cylinder pushing block position sensor issues the signal of cylinder stretching in place to external control system, controls cylinder by external control system
(11) stop extending action, meanwhile, shaft forgings are assembled in junior's carrier by control last item component movement.
12. axis class automatic testing method according to claim 11, it is characterised in that: after the completion of the movement of last item component, pressure
Shaft assembly completes signal to external control system feedback last item movement, controls cylinders retract by external control system.
13. axis class automatic testing method according to claim 12, it is characterised in that: pushing component further includes the second cylinder
Pushing block position sensor, after the second cylinder pushing block position sensor detects that cylinder pushing block (13) reset in place, the second cylinder
Pushing block position sensor issues the signal of cylinders retract in place to external control system, controls cylinder (11) by external control system
Stop retract action, entire detection is completed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811405997.3A CN109186485B (en) | 2018-11-23 | 2018-11-23 | Automatic shaft detection method |
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|---|---|---|---|
| CN201811405997.3A CN109186485B (en) | 2018-11-23 | 2018-11-23 | Automatic shaft detection method |
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| CN109186485B CN109186485B (en) | 2020-06-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186460A (en) * | 2018-11-23 | 2019-01-11 | 江苏雷利电机股份有限公司 | A kind of axis class automatic detection mechanism |
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| CN109186485B (en) | 2020-06-23 |
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