CN104515489B - A kind of sleeve part length self-operated measuring unit - Google Patents
A kind of sleeve part length self-operated measuring unit Download PDFInfo
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- CN104515489B CN104515489B CN201410694779.1A CN201410694779A CN104515489B CN 104515489 B CN104515489 B CN 104515489B CN 201410694779 A CN201410694779 A CN 201410694779A CN 104515489 B CN104515489 B CN 104515489B
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- sensor
- sleeve part
- fixedly connected
- measurement
- spacing
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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
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
Abstract
The invention discloses a kind of sleeve part length self-operated measuring unit, including：Clamping mechanism, detent mechanism and measuring mechanism, the device can be applied in the automated productin line of sleeve part, realize that automatic on-line detects, improve sleeve part linear measure longimetry automaticity, it is simple to operate, the measurement error of artificial origin will not be produced, measurement result is reliable and stable, and substantially increases measurement efficiency；Using contactless sensor as length measuring instrument, measurement is rapid, stable and sensor is without abrasion；Using cylinder coordinate dovetail groove guide rail can realize very high precision of rectilinear motion, the axiality of reaction magnetic ring and induction rod is maintained at zone of reasonableness, ensure that measurement be smoothed out and measurement accuracy.
Description
Technical field
The present invention relates to a kind of measurement apparatus, and in particular to a kind of sleeve part length self-operated measuring unit.
Background technology
Sleeve part refers to the hollow thin-wall part in hollow revolving body part, is the one kind zero commonly used in machining
Part, it is widely used in various machines, it is main to play support and guide effect.There is part axiality to require higher inside and outside circle table
Face, main application fields have：Support the various forms of sliding bearings of rotary shaft, guide sleeve, the internal combustion of cutter are guided on fixture
The sleeve of hydraulic cylinder and other purposes in machine cylinder jacket, hydraulic system.
Sleeve part belongs to high-volume, the product of flowing water processing, needs to measure part length after machining,
The mode of generally use hand dipping is calibrated to the length of part in the prior art, and survey tool is more with slide calliper rule, micrometer
Based on traditional measurer.But hand dipping mode measurement effect is affected by human factors that larger and efficiency is low, stability
It is not high, it is that simple duplicate measurements works for worker, labor intensity is big.Therefore, it is necessary to develop a kind of supporting automatic
Change measurement apparatus, and to realize the automatic measurement of sleeve part, key is to realize that sensor is corresponding to Workpiece length size
The accurate perception of endface position.Yang Qinjian etc. is published in《Modern Manufacturing Engineering》On paper《The part length of computer control
Size on-line measurement device》A kind of displacement moved by the measurement activity edge of a knife is proposed to obtain the automatic of part length size
Measurement apparatus, but its is complicated, the complication of system adds error source；Secondly the transmission device that measurement apparatus uses
Required precision is very high, and costly, measurement cost is very high for price, can not popularization and application；And the control system of a whole set of measurement apparatus
Also it is complex, therefore be difficult to be implemented.
As can be seen here, at present there is following limitation in the linear measure longimetry of sleeve part：1）, hand dipping automaticity
Low, interference from human factor is big.In the market have various parts dimensional measuring instrument, such as slide calliper rule, micrometer, but due to
The defects of measuring method is intrinsic, automation can not be realized, it is necessary to manually be operated, interference from human factor is big, and efficiency
It is low.2）Existing self-operated measuring unit structure is sufficiently complex, and error source is more, and cost performance is low, and practicality deficiency, there is an urgent need to change
Enter to obtain good promotion prospect.
The content of the invention
To solve the deficiencies in the prior art, it is an object of the invention to provide a kind of sleeve part length automatic measurement dress
Put, can realize and automatic measurement is carried out to the part length of sleeve type on automatic production line.
In order to realize above-mentioned target, the present invention adopts the following technical scheme that：
A kind of sleeve part length self-operated measuring unit, including：Clamping mechanism, detent mechanism and measuring mechanism；
The clamping mechanism includes：Bottom plate, push pedal, cylinder and V-block, the push pedal are connected on the piston rod of cylinder,
The V-block is fixedly connected in push pedal；
The detent mechanism includes：Sensor installing plate, spacing disk, support block, spacing collar and compact heap, the biography
Sensor installing plate is fixed on bottom plate and away from the cylinder, formed with can accommodate what V-block passed through on sensor installing plate
Slot structure, the spacing disk are fixedly connected with sensor installing plate, and the support block is fixedly connected on spacing disk, described
Spacing collar is fixedly connected with push pedal, and the compact heap is fixedly connected on spacing collar, the spacing disk and spacing collar
It is coaxially disposed；
The measuring mechanism includes：Sensor, induction rod and reaction magnetic ring, the sensor are installed on sensor installing plate
On, the reaction magnetic ring is located inside spacing collar and is fixedly connected with push pedal, and induction rod is connected and passed through with sensor
Sensor installing plate reaches measured zone, and reaction magnetic ring is coaxially disposed with induction rod, is worn in the push pedal formed with confession induction rod
The through hole crossed, it is measurable to obtain the length of workpiece by relative position of the reaction magnetic ring on induction rod so.
Preferably, foregoing support block and compact heap one side relative to each other are plane.
It is further preferred that foregoing clamping mechanism also includes a slide unit being slidably connected on bottom plate, on the slide unit
A pair of L-type plates are installed with, formed with U-shaped hole to be fixedly connected with V-block on the L-type plate.
Formed with waist-shaped hole to be fixedly connected with spacing disk on sensor as aforementioned installing plate, formed with waist type in the push pedal
Hole is to be fixedly connected with spacing collar.
Formed with three along its axis into 120 degree of equally distributed support block mounting grooves, support block on foregoing spacing disk
For mounting hole formed with insertion to connect support block, the connecting hole in the support block is counterbore in mounting groove.
Formed with three along its axis into 120 degree of equally distributed compact heap mounting grooves, compact heap on foregoing spacing collar
For waist-shaped hole formed with insertion to connect compact heap, the connecting hole on the compact heap is counterbore in mounting groove.
Further, bottom plate includes sliding part and fixed part, and the cylinder is installed on fixed part, on the sliding part
Guide rail is installed, the slide unit is slidably connected on guide rail.
Further, foregoing slide unit is dovetail groove slide unit, and the guide rail is dovetail groove guide rail.
The present invention is advantageous in that：
（1）, the present invention measurement apparatus can be applied to sleeve part automated productin line on, realize such
The automatic on-line detection of part, improves sleeve part linear measure longimetry automaticity, simple to operate, will not produce artificial original
The measurement error of cause, measurement result is reliable and stable, and substantially increases measurement efficiency.
（2）, the present invention can adapt to the sleeve part of different-diameter, different length, flexibility and versatility are higher.Branch
Radial position and V-block of radial position, compact heap of the bracer on spacing disk on spacing collar are perpendicular on L-type plate
Straight position can be adjusted correspondingly according to the sleeve part of different-diameter, different length.
（3）, the present invention measurement device precision it is high, as a result accurately and reliably.Manipulator presses desired trajectory and places workpiece, workpiece
Position on V-block has automatic calibration function, even if workpiece deviate from precalculated position in its axis direction, during measurement still
It is that workpiece first touches support block, measurement result is unaffected；Using contactless sensor as length measuring instrument, survey
Amount is rapid, stable and sensor is without abrasion；Coordinate dovetail groove guide rail to realize very high precision of rectilinear motion using cylinder, make
The axiality of reaction magnetic ring and induction rod is maintained at zone of reasonableness, ensure that measurement be smoothed out and measurement accuracy.
（4）, the present invention can be with mating parts crudy management system, can be by the workpiece acquired in automatic measurement
Length information record is preserved, and then Workpiece length information is analyzed, and can interpolate that the running status of machining production line, and then
Corresponding closed loop compensation is carried out to system of processing, optimizes manufacturing parameter.
Brief description of the drawings
Fig. 1 is a kind of stereochemical structure of a preferred embodiment of sleeve part length self-operated measuring unit of the present invention
Schematic diagram；
Fig. 2 is the dimensional structure diagram at another visual angle of embodiment illustrated in fig. 1；
Fig. 3 is the front view of embodiment illustrated in fig. 1；
Fig. 4 is the structural representation of spacing disk in embodiment illustrated in fig. 1；
Fig. 5 is the structural representation of spacing collar in embodiment illustrated in fig. 1.
The implication of reference in figure：1st, bottom plate, 2, push pedal, 21, through hole, 3, cylinder, 4, V-block, 5, workpiece, 6, sliding
Platform, 7, L-type plate, 71, U-shaped hole, 8, sensor installing plate, 81, slot structure, 9, spacing disk, 91, support block mounting groove, 10, branch
Bracer, 11, spacing collar, 111, compact heap mounting groove, 12, compact heap, 13, sensor, 14, induction rod, 15, reaction magnetic ring,
16th, guide rail.
Embodiment
Make specific introduce to the present invention below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1 to Fig. 3, sleeve part length self-operated measuring unit of the invention, including：Clamping mechanism, localization machine
Structure and measuring mechanism.Wherein, clamping mechanism includes：Bottom plate 1, push pedal 2, cylinder 3 and V-block 4, push pedal 2 are connected to the work of cylinder 3
On stopper rod, V-block 4 be fixedly connected in push pedal 2 be used for support and spacing workpiece 5 to be measured, cylinder 3 drive push pedal 2 and then
V-block 4 is driven to move.As an improvement clamping mechanism also includes a slide unit 6 being slidably connected on bottom plate 1, slide unit 6
On be installed with a pair of L-type plates 7, formed with U-shaped hole 71 to be fixedly connected with V-block 4 on L-type plate 7, so as to convenient regulation V-block 4
Setting height(from bottom), and then the versatility for improving the device can be applied to the workpiece 5 of measurement more multi-specification.
Detent mechanism includes：Sensor installing plate 8, spacing disk 9, support block 10, spacing collar 11 and compact heap 12, pass
Sensor installing plate 8 is fixed on bottom plate 1 one end for being located remotely from cylinder 3, formed with can accommodate V-type on sensor installing plate 8
The slot structure 81 that block 4 passes through, spacing disk 9 are fixedly connected with sensor installing plate 8, and support block 10 is fixedly connected on spacing disk
On 9, spacing collar 11 is fixedly connected with push pedal 2, and compact heap 12 is fixedly connected on spacing collar 11, spacing disk 9 with it is spacing
Sleeve 11 is coaxially disposed.As a preferred embodiment, support block 10 and the one side relative to each other of compact heap 12 are plane, so that it is guaranteed that surveying
Measure the accuracy and reliability of result.
Preferably, on sensor installing plate 8 formed with waist-shaped hole to be fixedly connected with spacing disk 9, formed with waist in push pedal 2
Type hole is to be fixedly connected with spacing collar 11, so as to which the installation site of spacing disk 9 and spacing collar 11 is adjusted flexibly.
Further, as shown in Figure 4 and Figure 5, it is uniformly distributed on spacing disk 9 formed with three along its axis into 120 degree
Support block mounting groove 91, the mounting hole formed with insertion is to connect support block 10 in support block mounting groove 91, in support block 10
Connecting hole be counterbore；Similarly, pacify on spacing collar 11 formed with three along its axis into 120 degree of equally distributed compact heaps
Tankage 111, the waist-shaped hole formed with insertion is to connect compact heap 12 in compact heap mounting groove 111, the connecting hole on compact heap 12
For counterbore.Like this, it becomes possible to according to the radial direction of the diameter of workpiece for measurement 5, length adjustment support block 10 on spacing disk 9
The radial position of position and compact heap 12 on spacing collar 11, so that device is applied to the workpiece 5 of more multi-specification.
The present invention is using non-contact measurement, and specifically, measuring mechanism includes：Sensor 13, induction rod 14 and sense
Magnet ring 15 is answered, sensor 13 is installed in the fixed plate of sensor 13, and reaction magnetic ring 15 is located at the inside of spacing collar 11 and with pushing away
Plate 2 is fixedly connected, and induction rod 14 is connected with sensor 13 and reaches measured zone through sensor installing plate 8（That is sensor
Space between installing plate 8 and push pedal 2）, reaction magnetic ring 15 is coaxially disposed with induction rod 14, formed with can hold in push pedal 2
The through hole 21 that induction rod 14 of receiving passes through, it is measurable by relative position of the reaction magnetic ring 15 on induction rod 14 so
Obtain the length of workpiece 5.
As a kind of concrete structure, as shown in figure 1, bottom plate 1 includes sliding part and fixed part, cylinder 3 is installed on fixed part,
Guide rail 16 is installed, slide unit 6 is slidably connected on guide rail 16 on sliding part.Preferably, slide unit 6 is dovetail groove slide unit 6, guide rail 16
For dovetail groove guide rail 16, dovetail groove guide rail 16 is coordinated to realize very high precision of rectilinear motion using cylinder 3 so that sensing magnetic
The axiality of ring 15 and induction rod 14 is maintained at zone of reasonableness, ensure that measurement be smoothed out and measurement accuracy.
For a better understanding of the present invention, the measurement process of the device of the present invention is briefly illustrated.
Before measuring, it is necessary to be demarcated to measurement apparatus, calibration process is as follows：Cylinder 3 promotes push pedal 2 in guide rail 16
Upper slip, until compact heap 12 is in close contact with support block 10, the stopping of cylinder 3 action, now, sensor 13 perceives sensing magnetic
Position of the ring 15 on induction rod 14, is measurement reference position by the location position of now reaction magnetic ring 15, and cylinder 3 drives push pedal
2 reset, and prepare to measure workpiece 5.
The action process of automatic measurement is introduced by taking a measurement period as an example below：First, workpiece 5 is positioned over V-block 4
In, V-block 4 positions to the periphery of workpiece 5；Then, cylinder 3 promote push pedal 2 slided along guide rail 16, until workpiece 5 with
Support block 10 contacts, the stop motion of workpiece 5, and cylinder 3 promotes push pedal 2 to continue to move, until compact heap 12 contacts with workpiece 5, gas
The stopping of cylinder 3 is acted, and now workpiece 5 is held between support block 10 and compact heap 12, and induction rod 14 is stretched into reaction magnetic ring 15,
Sensor 13 sense now reaction magnetic ring 15 on induction rod 14 relative to the position numerical value of measurement reference position before, should
Numerical value is the length dimension of workpiece 5, and carries out record preservation；Finally, cylinder 3 drives push pedal 2 to reset, and takes out workpiece 5, completes
This measurement, the measurement of next workpiece 5 can be entered by being put into new workpiece 5.
To sum up, the common geometrical property of measurement apparatus combination sleeve part of the invention, as dominant plane is substantially
Cylindrical type, there are higher dimensional accuracy, form accuracy and surface roughness requirements, complete the detection of sleeve part critical size
Reliability design.Realize positioning and the clamping of sleeve part using V-block 4, support block 10 and compact heap 12, use is non-contact
Formula e measurement technology realizes that sleeve part critical size detects, and non-contact measurement mode will not cause any mill to sensor 13
Damage, the reliability and service life of device can be greatly improved, and sensor 13 can be by the sized data of workpiece 5 with digital quantity
Form export, sized data can be analyzed in conjunction with part crudy management system, optimize manufacturing parameter.Together
When, the present invention adopts automatic technology, realizes the electromechanical integration of whole device, coordinates special manipulator and digital control special machine, just
Automatic loading/unloading, automatic processing and the automatic measurement of sleeve part can be realized, improves sleeve part automatic measurement
Degree.In addition, the present invention also has higher flexibility and a versatility, radial position of the support block 10 on spacing disk 9, press
Tight radial position and V-block 4 vertical position on L-type plate 7 of the block 12 on spacing collar 11 can be according to sleeve type
The geometric parameter of part is adjusted correspondingly, with adapt to different-diameter, different length sleeve part length automation
Measurement, improve the utilization rate of package unit.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way for above-described embodiment, all to be obtained by the way of equivalent substitution or equivalent transformation
Technical scheme, all fall within protection scope of the present invention.
Claims (6)
- A kind of 1. sleeve part length self-operated measuring unit, it is characterised in that including：Clamping mechanism, detent mechanism and measurement Mechanism；The clamping mechanism includes：Bottom plate, push pedal, cylinder and V-block, the push pedal are connected on the piston rod of cylinder, the V Type block is fixedly connected in push pedal；The detent mechanism includes：Sensor installing plate, spacing disk, support block, spacing collar and compact heap, the sensor Installing plate is fixed on bottom plate and away from the cylinder, formed with the groove knot that can be accommodated V-block and pass through on sensor installing plate Structure, the spacing disk are fixedly connected with sensor installing plate, and the support block is fixedly connected on spacing disk, described spacing Sleeve is fixedly connected with push pedal, and the compact heap is fixedly connected on spacing collar, and the spacing disk and spacing collar are coaxial Set；The measuring mechanism includes：Sensor, induction rod and reaction magnetic ring, the sensor are installed on sensor installing plate, The reaction magnetic ring is located inside spacing collar and is fixedly connected with push pedal, and induction rod, which is connected and passed through with sensor, to be sensed Device installing plate reaches measured zone, and reaction magnetic ring is coaxially disposed with induction rod, is passed through in the push pedal formed with confession induction rod Through hole；The support block and compact heap one side relative to each other are plane；The clamping mechanism is also slidably connected to bottom including one Slide unit on plate, is installed with a pair of L-type plates on the slide unit, formed with U-shaped hole to be fixedly connected with V-block on the L-type plate.
- A kind of 2. sleeve part length self-operated measuring unit according to claim 1, it is characterised in that the sensor Formed with waist-shaped hole to be fixedly connected with spacing disk on installing plate, formed with waist-shaped hole to be fixedly connected with stop collar in the push pedal Cylinder.
- A kind of 3. sleeve part length self-operated measuring unit according to claim 2, it is characterised in that the spacing circle It is interior formed with insertion along its axis into 120 degree of equally distributed support block mounting grooves, support block mounting groove formed with three on disk Mounting hole to connect support block, the connecting hole in the support block is counterbore.
- A kind of 4. sleeve part length self-operated measuring unit according to claim 2, it is characterised in that the stop collar It is interior formed with insertion along its axis into 120 degree of equally distributed compact heap mounting grooves, compact heap mounting groove formed with three on cylinder Waist-shaped hole to connect compact heap, the connecting hole on the compact heap is counterbore.
- A kind of 5. sleeve part length self-operated measuring unit according to claim 1, it is characterised in that the bottom plate bag Sliding part and fixed part are included, the cylinder is installed on fixed part, and guide rail is provided with the sliding part, and the slide unit is slidably connected In on guide rail.
- 6. a kind of sleeve part length self-operated measuring unit according to claim 5, it is characterised in that the slide unit is Dovetail groove slide unit, the guide rail are dovetail groove guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410694779.1A CN104515489B (en) | 2014-11-27 | 2014-11-27 | A kind of sleeve part length self-operated measuring unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410694779.1A CN104515489B (en) | 2014-11-27 | 2014-11-27 | A kind of sleeve part length self-operated measuring unit |
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| CN104515489A CN104515489A (en) | 2015-04-15 |
| CN104515489B true CN104515489B (en) | 2017-11-28 |
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| CN206876118U (en) * | 2017-10-12 | 2018-01-12 | 晋城富泰华精密电子有限公司 | Workpiece length detector |
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| CN112097591B (en) * | 2020-09-21 | 2022-07-19 | 艾力科技(广州)有限公司 | Workpiece length detection mechanism with high adaptability |
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