CN107121101A - Three-dimensional measuring machine part stopping means - Google Patents
Three-dimensional measuring machine part stopping means Download PDFInfo
- Publication number
- CN107121101A CN107121101A CN201710454795.7A CN201710454795A CN107121101A CN 107121101 A CN107121101 A CN 107121101A CN 201710454795 A CN201710454795 A CN 201710454795A CN 107121101 A CN107121101 A CN 107121101A
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- Prior art keywords
- extensible member
- workpiece
- motor
- measuring machine
- dimensional measuring
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Classifications
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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 the workpiece work platform for placing and controller of three-dimensional measuring machine part stopping means, including three-dimensional measuring machine, several extensible members are provided with the table；The extensible member drives it to stretch by motor；One end close to its centre symmetry line on extensible member is provided with pressure sensor, the motor of the pressure sensor and extensible member is connected with controller, the pressure information sensed is sent to controller by pressure sensor, and the controller controls the output power of motor of top pressure component.Pass through said apparatus, not only solve and manually fix workpiece manually, workpiece can be made to skid, and the problem of deviate home position, it is thus also avoided that extensible member is excessive to workpiece pressure, causes workpiece surface to produce indenture, or extensible member is to workpiece insufficient pressure, the situation for causing workpiece to rock occurs, and workpiece is firmly secured on workbench, improves the accuracy of workpiece calibration data.
Description
Technical field
The present invention relates to a kind of fixing device, and in particular to three-dimensional measuring machine part stopping means.
Background technology
Industrially, either reverse-engineering, or automobile appearance design, also or high-precision part detection, all
Three-dimensional measuring machine can be used.Outward appearance by three-dimensional measuring machine first to object is measured, then is modeled by computer, export figure
Paper directly inputs Digit Control Machine Tool and carved, to produce the product consistent with workpiece outward appearance is measured.
Three-dimensional measuring machine is a kind of widely used functional devices, and it can be used to system of processing, can also be applied to survey
Amount system.With the development of science and technology, the yardstick that the mankind use in manufacture field will be marched toward nanometer by micron.It is accurate and super
The development and popularization of accurate process technology, improve whole manufacturing machining accuracy and technical merit, and generally improve
Quality, performance and the competitiveness of engineering goods.
The birth of three-dimensional measuring machine, accelerates industrial development.But when the workpiece shapes measured with three-dimensional measuring machine are not advised
, it is necessary to which workman helps workpiece when then, it is to avoid workpiece is rocked, the dimensional measurement of workpiece is carried out in order to the probe of measuring machine.But
When manually fixing this workpiece, it is easy to skid, cause workpiece to deviate home position, cause final measurement data to be forbidden
Really, the number of times of duplicate measurements is not only increased, time cost is also add, is unfavorable for workpiece calibration project and is timely completed.
The content of the invention
Present invention aims at provide three-dimensional measuring machine part stopping means, the workpiece that solution is measured with three-dimensional measuring machine
When in irregular shape, workpiece is manually fixed manually, workpiece can be made to skid, and deviate home position, do not only result in measurement data
It is inaccurate, the problem of also add the number of times and unnecessary time cost of duplicate measurements.
The present invention is achieved through the following technical solutions：
Three-dimensional measuring machine part stopping means, includes the workpiece work platform for placing and controller of three-dimensional measuring machine, in work
Make to be provided with several extensible members on platform, line of symmetry is equably centered on the straight line of workbench by one for the extensible member
Set on the table；
The extensible member drives it to stretch by motor, and motor makes the telescopic end of extensible member its centre symmetry line close to each other
Or away from its centre symmetry line；
One end close to its centre symmetry line on extensible member is provided with pressure sensor, the pressure sensor and
The motor of extensible member is connected with controller, and the pressure information sensed is sent to controller, the control by pressure sensor
Device receives the pressure signal for coming from pressure sensor, and controls the output power of motor of top pressure component.The preferred monolithic of controller
Machine, its model preferably has the AT48801 of 8501 chips；The preferred GY1-1201 of model of pressure sensor.Extensible member can be used
Pneumatic cylinder, hydraulic cylinder or linkage.In the present invention, the control program of controller is existing program.
Workpiece in irregular shape is placed on the table, and at the centre symmetry line between extensible member, then
Start the motor of extensible member, extend extensible member, until the telescopic end of extensible member is contacted with workpiece；Now pressure sensor by its
Pressure information between the extensible member and workpiece that sense is sent to controller, when extensible member, which can be stablized, fixes workpiece, control
The motor operating of device pause extensible member processed；Complete after workpiece calibration, start the motor of extensible member, shrink extensible member, to take
Lower workpiece.
By said apparatus, fixed workpiece manually is not only solved manually, workpiece can be made to skid, and deviate home position
The problem of, it is thus also avoided that extensible member is excessive to workpiece pressure, causes workpiece surface to produce indenture, or extensible member is to workpiece pressure
Deficiency, causes the situation that workpiece is rocked to occur, workpiece is firmly secured on workbench, improve the standard of workpiece calibration data
True property.
Further, in addition to the quantity linear drive device consistent with extensible member, the linear drive device point
It is not connected with an extensible member respectively；
The quantity chute consistent with extensible member is provided with the table, and one end close to workbench on extensible member is all provided with
Sliding block is equipped with, the sliding block respectively coordinates with a chute, moves sliding block along the extension axis of chute, can make extensible member respectively
Telescopic end its centre symmetry line close to each other or its remote centre symmetry line；
The drive device includes screw rod and motor, and sliding block, the other end and motor of screw rod are run through in one end of the screw rod
Connection, screw rod is rotated, and the extension axis with movable slider along chute is moved.
The simple purpose that extensible member clamping workpiece is realized using extensible member, then can limit to the applicable situation of the present invention.When
When extensible member can clamp large volume workpiece, extensible member is selected to clamp small-volume workpiece, due to the function of extensible member holding parts
Realized by its retractility, then can increase extensible member volume or when extensible member complicatedization, for example extensible member be air pressure
During cylinder, then the pneumatic cylinder length length of side is needed or using multistage pneumatic cylinder；When extensible member can clamp small size part, due to stretching
Contracting part is fixed on the table, and the distance between extensible member can not increase, therefore can not be placed between extensible member more than flexible
The workpiece of spacing between part.
Set linear drive device to drive extensible member, when needing clamping small-volume workpiece, first start drive device,
Then extensible member extends extensible member to withstand workpiece again close to its centre symmetry line；, can be straight when needing clamping large volume workpiece
Elongation extensible member is connect to withstand workpiece；So, in extensible member rectilinear movement, the translational speed of extensible member can be accelerated, stretched
When contracting part extends, the telescopic end of extensible member can be slowly set to withstand workpiece, it is to avoid speed is excessive to cause workpiece surface to damage, no
Usable condition of the present invention is only expanded, operating efficiency is also improved, workpiece surface quality is protected.
Further, the telescopic end of extensible member is provided with range sensor, the range sensor can sense flexible
The distance between end and the workpiece in front of telescopic end；
The motor of range sensor and screw rod is connected with controller, what the range sensor was sensed
Range information is sent to controller, and controller receives the range information for coming from range sensor, and controls the driving electricity of screw rod
The power output of machine.The preferred GP2Y0D413K0F of model of range sensor.
When fixed workpiece, start the motor of screw rod, rotate screw rod, cause extensible member to be moved to workpiece, when distance is passed
The range information that sensor transmission comes be telescopic end apart from the distance of workpiece be 10cm when, suspend the operating of the motor of screw rod, and wait
Whne remaining extensible member apart from the distance of workpiece be also 10cm when, while start all extensible members, when extensible member prop up workpiece simultaneously,
Avoid deviateing former precalculated position during the stress of workpiece one side, or even situation about rolling occurs.
Further, the extensible member is pneumatic cylinder, and one end away from cylinder body is provided with spring strut on its piston rod, institute
State in this end of piston rod insertion spring strut, and connected by the centre bore bottom hole of spring and spring strut；
The pressure sensor is located at one end away from extensible member on spring strut.
After spring strut is contacted with workpiece, piston rod continues to move forward, spring contraction, and the pressure between spring strut and workpiece increases
Greatly.Spring is set, not only the further clamped speed of reduction workpiece, beneficial to protecting high-precision workpiece surface quality, and bullet
The pretightning force that spring shrinks can make this fixing device have pretightning force in workpiece calibration.
Further, be provided with guide groove on the center hole wall of spring strut, the extension axis of the guide groove parallel to
The axis of spring strut, on the piston rod one end away from cylinder body be provided with guide pad, the guide pad is located in guide groove.It is described
The opening size of guide groove is less than bottom land size, and the cross sectional dimensions of guide pad and the cross sectional dimensions of guide groove are consistent.
Pressure sensor, controller, range sensor in above-mentioned are prior art, can commercially be bought
Arrive.
The present invention compared with prior art, has the following advantages and advantages：
1st, three-dimensional measuring machine of the present invention part stopping means, by the present apparatus, is not only solved manually fixed manually
Workpiece, the problem of workpiece being made to skid, and deviate home position, it is thus also avoided that extensible member is excessive to workpiece pressure, causes workpiece
Surface produces indenture, or extensible member causes the situation that workpiece is rocked to occur, workpiece is stably fixed to workpiece insufficient pressure
On the table, the accuracy of workpiece calibration data is improved；
2nd, three-dimensional measuring machine of the present invention part stopping means, sets linear drive device to drive extensible member, when need
When clamping small-volume workpiece, first start drive device, then extensible member extends extensible member to push up again close to its centre symmetry line
Firmly workpiece；When needing clamping large volume workpiece, it directly can extend extensible member to withstand workpiece；So, moved in extensible member straight line
In dynamic, the translational speed of extensible member can be accelerated, when extensible member extends, the telescopic end of extensible member is withstood workpiece,
Avoid speed is excessive from causing workpiece surface to damage, not only expand usable condition of the present invention, also improve operating efficiency, protect
Workpiece surface quality is protected；
3rd, three-dimensional measuring machine of the present invention part stopping means, after spring strut is contacted with workpiece, piston rod continues to move forward, bullet
Spring shrinks, the pressure increase between spring strut and workpiece.Spring is set, the speed that not only further reduction workpiece is clamped, profit
In the high-precision workpiece surface quality of protection, and the pretightning force of spring contraction can have this fixing device in workpiece calibration
Pretightning force.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic top plan view of the invention；
Fig. 2 is the schematic front view of extensible member.
Mark and corresponding parts title in accompanying drawing：
1- workbench, 2- pressure sensors, 3- extensible members, 4- sliding blocks, 5- chutes, 6- screw rods, 7- piston rods, 8- springs
Cylinder, 9- springs, 10- range sensors, 11- guide grooves, 12- guide pads.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment and its explanation of the invention is only used for explaining the present invention, does not make
For limitation of the invention.
Embodiment 1
As Figure 1-Figure 2, three-dimensional measuring machine of the present invention part stopping means, including the workpiece of three-dimensional measuring machine are placed
Workbench 1 and controller, are provided with several extensible members 3, the extensible member 3 is with one perpendicular to workbench 1 on workbench 1
Straight line centered on line of symmetry be evenly provided on workbench 1；
The extensible member 3 drives it to stretch by motor, and motor makes the telescopic end of extensible member 3 its Central Symmetry close to each other
Line or its remote centre symmetry line；
One end close to its centre symmetry line on extensible member 3 is provided with pressure sensor 2, the pressure sensor 2
And the motor of extensible member 3 is connected with controller, the pressure information sensed is sent to controller by pressure sensor 2, institute
State controller and receive the pressure signal for coming from pressure sensor 2, and control the output power of motor of top pressure component.Controller is excellent
Single-chip microcomputer is selected, its model preferably has the AT48801 of 8501 chips；The preferred GY1-1201 of model of pressure sensor 2.Extensible member
3 can use pneumatic cylinder, hydraulic cylinder or linkage.
Workpiece in irregular shape is placed on the table, and at the centre symmetry line between extensible member 3, then
Start the motor of extensible member 3, extend extensible member 3, until the telescopic end of extensible member 3 is contacted with workpiece；Now pressure sensor 2
Pressure information between the extensible member 3 and workpiece that are sensed is sent to controller, and workpiece is fixed when extensible member 3 can be stablized
When, the motor operating of controller pause extensible member 3；Complete after workpiece calibration, start the motor of extensible member 3, receive extensible member 3
Contracting, to remove workpiece.
By said apparatus, fixed workpiece manually is not only solved manually, workpiece can be made to skid, and deviate home position
The problem of, it is thus also avoided that extensible member 3 is excessive to workpiece pressure, causes workpiece surface to produce indenture, or extensible member 3 is to workpiece pressure
Power is not enough, causes the situation that workpiece is rocked to occur, workpiece is firmly secured on workbench 1, improve workpiece calibration data
Accuracy.
Embodiment 2
The present invention is that on the basis of embodiment 1, the present invention is further illustrated.
As Figure 1-Figure 2, three-dimensional measuring machine of the present invention part stopping means, in addition to quantity are consistent with extensible member 3
Linear drive device, the linear drive device is respectively connected with an extensible member 3 respectively；
The quantity chute 5 consistent with extensible member 3 is provided with workbench 1, close to the one of workbench 1 on extensible member 3
End is provided with sliding block 4, and the sliding block 4 respectively coordinates with a chute 5 respectively, and sliding block 4 is moved along the extension axis of chute 5,
Telescopic end its centre symmetry line close to each other of extensible member 3 can be made or away from its centre symmetry line；
The drive device includes screw rod 6 and motor, and sliding block 4 is run through in one end of the screw rod 6, the other end of screw rod 6 with
Motor connection, screw rod 6 is rotated, and the extension axis with movable slider 4 along chute 5 is moved.
The simple purpose that the clamping workpiece of extensible member 3 is realized using extensible member 3, then can limit to the applicable situation of the present invention.
When extensible member 3 can clamp large volume workpiece, extensible member 3 is selected to clamp small-volume workpiece, due to extensible member holding parts
Function realized by its retractility, then can increase extensible member 3 volume or when extensible member 3 complicatedization, such as extensible member 3
During for pneumatic cylinder, then the pneumatic cylinder length length of side is needed or using multistage pneumatic cylinder；When extensible member 3 can clamp small size part
When, because extensible member 3 is fixed on workbench 1, the distance between extensible member 3 can not increase, therefore can not be between extensible member 3
Place the workpiece more than spacing between extensible member 3.
Set linear drive device to drive extensible member 3, when needing clamping small-volume workpiece, first start driving dress
Put, then extensible member 3 extends extensible member 3 to withstand workpiece again close to its centre symmetry line；When need clamp large volume workpiece
When, it directly can extend extensible member 3 to withstand workpiece；So, in the rectilinear movement of extensible member 3, the movement of extensible member 3 can be accelerated
Speed, when extensible member 3 extends, can slowly make the telescopic end of extensible member 3 withstand workpiece, it is to avoid speed is excessive to cause workpiece surface
Damage, not only expand usable condition of the present invention, also improve operating efficiency, protect workpiece surface quality.
Embodiment 3
The present invention is that on the basis of embodiment 2, the present invention is further illustrated.
As Figure 1-Figure 2, three-dimensional measuring machine of the present invention part stopping means, is provided with the telescopic end of extensible member 3
Range sensor 10, the range sensor 10 can sense the distance between telescopic end and the workpiece in front of telescopic end；
The motor of range sensor 10 and screw rod 6 is connected with controller, and the range sensor 10 is felt
The range information that should be arrived is sent to controller, and controller receives the range information for coming from range sensor 10, and controls screw rod 6
Motor power output.The preferred GP2Y0D413K0F of model of range sensor 10.
When fixed workpiece, start the motor of screw rod 6, rotate screw rod 6, cause extensible member 3 to be moved to workpiece, work as distance
The range information that the transmission of sensor 10 comes be telescopic end apart from the distance of workpiece be 10cm when, suspend the operating of the motor of screw rod 6,
And wait remaining extensible member 3 apart from the distance of workpiece be also 10cm when, while start all extensible members 3, when extensible member 3 support simultaneously
Firmly workpiece, it is to avoid deviate former precalculated position during the stress of workpiece one side, or even situation about rolling occurs.
Embodiment 4
The present invention is that on the basis of embodiment 1, the present invention is further illustrated.
As Figure 1-Figure 2, three-dimensional measuring machine of the present invention part stopping means, the extensible member 3 is pneumatic cylinder, at it
One end away from cylinder body is provided with spring strut 8, this end of piston rod 7 insertion spring strut 8 on piston rod 7, and passes through spring 9
It is connected with the centre bore bottom hole of spring strut 8；
The pressure sensor 2 is located at one end away from extensible member 3 on spring strut 8.
After spring strut 8 is contacted with workpiece, piston rod 7 continues to move forward, and spring 9 shrinks, the pressure between spring strut 8 and workpiece
Increase.Spring 9 is set, the speed that not only further reduction workpiece is clamped, beneficial to the high-precision workpiece surface quality of protection, and
The pretightning force that spring 9 shrinks can make this fixing device have pretightning force in workpiece calibration.
Embodiment 5
The present invention is that on the basis of embodiment 4, the present invention is further illustrated.
As Figure 1-Figure 2, three-dimensional measuring machine of the present invention part stopping means, sets on the center hole wall of spring strut 8
Guide groove 11 is equipped with, the extension axis of the guide groove 11 is parallel to the axis of spring strut 8, the remote cylinder body on piston rod 7
One end is provided with guide pad 12, and the guide pad 12 is located in guide groove 11.The opening size of the guide groove 11 is less than bottom land
Size, and the cross sectional dimensions of guide pad 12 is consistent with the cross sectional dimensions of guide groove 11.
Above-described embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. all should be included
Within protection scope of the present invention.
Claims (6)
1. three-dimensional measuring machine part stopping means, includes the workpiece work platform for placing (1) of three-dimensional measuring machine, it is characterised in that：
Also include controller, several extensible members (3) are provided with workbench (1), the extensible member (3) is with one perpendicular to work
Line of symmetry is evenly provided on workbench (1) centered on the straight line of platform (1)；
The extensible member (3) drives it to stretch by motor, and motor makes the telescopic end of extensible member (3) its Central Symmetry close to each other
Line or its remote centre symmetry line；
One end close to its centre symmetry line on extensible member (3) is provided with pressure sensor (2), the pressure sensor
(2) and the motor of extensible member (3) is connected with controller, the pressure information sensed is sent to control by pressure sensor (2)
Device processed, the controller receives the pressure signal for coming from pressure sensor (2), and controls the motor output work of top pressure component
Rate.
2. three-dimensional measuring machine according to claim 1 part stopping means, it is characterised in that：Also include quantity with stretching
The consistent linear drive device of part (3), the linear drive device is respectively connected with an extensible member (3) respectively；
The quantity chute (5) consistent with extensible member (3) is provided with workbench (1), close to workbench on extensible member (3)
(1) one end is provided with sliding block (4), and the sliding block (4) respectively coordinates with a chute (5) respectively, along the extension of chute (5)
Axis movement sliding block (4), can make telescopic end its centre symmetry line close to each other of extensible member (3) or away from its Central Symmetry
Line；
The drive device includes screw rod (6) and motor, and sliding block (4) is run through in one end of the screw rod (6), screw rod (6) it is another
End and motor connection, screw rod (6) are rotated, the extension axis movement with movable slider (4) along chute (5).
3. three-dimensional measuring machine according to claim 2 part stopping means, it is characterised in that：In stretching for extensible member (3)
Contracting end is provided with range sensor (10), and the range sensor (10) can sense telescopic end and the work in front of telescopic end
The distance between part；
The motor of range sensor (10) and screw rod (6) is connected with controller, the range sensor (10) by its
The range information sensed is sent to controller, and controller receives the range information for coming from range sensor (10), and controls
The power output of the motor of screw rod (6).
4. three-dimensional measuring machine according to claim 1 part stopping means, it is characterised in that：The extensible member (3) is
Pneumatic cylinder, one end away from cylinder body is provided with spring strut (8) on its piston rod (7), and spring is inserted at described this end of piston rod (7)
In cylinder (8), and it is connected by spring (9) with the centre bore bottom hole of spring strut (8)；
The pressure sensor (2) is located at one end away from extensible member (3) on spring strut (8).
5. three-dimensional measuring machine according to claim 4 part stopping means, it is characterised in that：In spring strut (8)
Be provided with guide groove (11) on heart hole wall, the extension axis of the guide groove (11) parallel to spring strut (8) axis, in piston
One end away from cylinder body is provided with guide pad (12) on bar (7), and the guide pad (12) is located in guide groove (11).
6. three-dimensional measuring machine according to claim 5 part stopping means, it is characterised in that：The guide groove (11)
Opening size is less than bottom land size, and the cross sectional dimensions of guide pad (12) is consistent with the cross sectional dimensions of guide groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710454795.7A CN107121101A (en) | 2017-06-16 | 2017-06-16 | Three-dimensional measuring machine part stopping means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710454795.7A CN107121101A (en) | 2017-06-16 | 2017-06-16 | Three-dimensional measuring machine part stopping means |
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| Publication Number | Publication Date |
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| CN107121101A true CN107121101A (en) | 2017-09-01 |
Family
ID=59719008
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710454795.7A Pending CN107121101A (en) | 2017-06-16 | 2017-06-16 | Three-dimensional measuring machine part stopping means |
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| CN117226783A (en) * | 2023-11-10 | 2023-12-15 | 哈尔滨安宇迪航空工业股份有限公司 | Adjustable compression device and method for machining aviation parts |
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| CN115519202A (en) * | 2022-11-24 | 2022-12-27 | 深圳市动能世纪科技有限公司 | Electronic module welding machine |
| CN117226783A (en) * | 2023-11-10 | 2023-12-15 | 哈尔滨安宇迪航空工业股份有限公司 | Adjustable compression device and method for machining aviation parts |
| CN117226783B (en) * | 2023-11-10 | 2024-02-06 | 哈尔滨安宇迪航空工业股份有限公司 | Adjustable compression device and method for machining aviation parts |
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