CN106032981B - Measuring thickness device and thickness measuring method for the measuring thickness device - Google Patents
Measuring thickness device and thickness measuring method for the measuring thickness device Download PDFInfo
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- CN106032981B CN106032981B CN201510116754.8A CN201510116754A CN106032981B CN 106032981 B CN106032981 B CN 106032981B CN 201510116754 A CN201510116754 A CN 201510116754A CN 106032981 B CN106032981 B CN 106032981B
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Abstract
The present invention provides a kind of measuring thickness devices, the thickness measuring component including the workbench for placing workpiece, the thickness for measuring the workpiece；The thickness measuring component includes the electric machine assembly and cylinder assembly positioned at described workbench the same side；The electric machine assembly include fixed plate, the motor being fixed in the fixed plate, by the motor driven with far from or close to the workbench pinboard；The cylinder assembly includes the cylinder being fixed on the pinboard, the spring for being stretched and/or being compressed by the cylinder, the high axis of survey that extends of telescopic direction along the spring, and the spring and the high axis of the survey are mutually fixed；Spring is stretched and/or compresses to drive the high axis of survey separate or close to the workbench when starting cylinder；The thickness measuring component further includes the inductor being fixed on the electric machine assembly, is fixed on the induction point matched on the cylinder assembly with the inductor.The thickness measuring component, structure is simple, at low cost, and thickness measuring accuracy is high.
Description
Technical field
The present invention relates to the measuring thickness device of a kind of measuring thickness device more particularly to a kind of automatic measurement thickness of workpiece and for should
The thickness measuring method of measuring thickness device.
Background technique
The devices such as measuring thickness device, cutting machine at present are required before workpieces processing to different batches, different types of workpiece
Carry out the measurement of thickness.By taking laser thickness measuring apparatus as an example, need to carry out thickness measure to workpiece before drilling, to determine focus lamp
With the distance at a distance from work top to need.
Existing thickness measuring method is mostly carried out in the way of the feedbacks such as linear motor traverse measurement platform, grating scale, reading head
The measurement of thickness.However, directly driving measuring table sheet material measurement by linear motor, measuring table can have workpiece certain
Surge in the lesser situation of workpiece hardness is easy that workpiece is made to deform, and not only influences to use, but also will affect thickness measuring
Accuracy；Costly using grating scale, reading head price, installation and adjustment are cumbersome.
In view of this, it is necessary to existing measuring thickness device and the thickness measuring method for the measuring thickness device are improved, with
It solves the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of structures simple, the accurate measuring thickness device of thickness measuring and for the measuring thickness device
Thickness measuring method.
For achieving the above object, the present invention provides a kind of measuring thickness device, including for placing workpiece workbench,
For measuring the thickness measuring component of the thickness of the workpiece；The thickness measuring component includes the motor group positioned at described workbench the same side
Part and cylinder assembly；The electric machine assembly include fixed plate, the motor being fixed in the fixed plate, by the motor driven with
Pinboard far from or close to the workbench；The cylinder assembly includes the cylinder being fixed on the pinboard, described
Cylinder stretches and/or the spring of compression, the high axis of survey that extends of telescopic direction along the spring, the spring and described surveys high axis
It is mutually fixed；Spring is stretched and/or compresses to drive the high axis of survey separate or close to the workbench when starting cylinder；It is described
Thickness measuring component further includes the inductor being fixed on the electric machine assembly, is fixed on the cylinder assembly and the inductor phase
The induction point of cooperation；Before workpiece is placed in the workbench, the high axis of survey touches the workbench, and the inductor sense
When should arrive the induction point, the distance of the inductor to the workbench is first distance；When workpiece is placed in the work
It is described to survey high axis and touch the workpiece after platform, and when the inductor senses the induction point, described in the inductor arrives
The distance of workbench is second distance；The range difference of first distance and second distance is thickness of workpiece.
As a further improvement of the present invention, the inductor is fixed on the pinboard, and the induction point is fixed on
It is described to survey on high axis.
As a further improvement of the present invention, the motor has screw rod, and the electric machine assembly further includes by the screw rod
It drives with the nut far from or close to the workbench, the pinboard is fixed on the nut.
As a further improvement of the present invention, the cylinder has cylinder rod, and the cylinder assembly further includes and the gas
The link block of cylinder rod connection, the spring are mutually fixed with the link block；The cylinder rod drive the link block with stretch and/
Or the compression spring.
As a further improvement of the present invention, the cylinder assembly further includes across the middle part of the spring by the spring
The fixing piece mutually fixed with the link block of middle part.
As a further improvement of the present invention, described survey on high axis is fixed at the both ends of the spring.
As a further improvement of the present invention, one end of the spring is fixed with the link block, the other end and the survey
High axis is fixed.
As a further improvement of the present invention, the pinboard is equipped with the induction part towards the cylinder assembly side, institute
Induction part is stated with inductive slot up and down；It is described to survey high axis with the induction rod that may pass through the inductive slot；When the sense
When bar being answered to be located in the inductive slot, the inductor can sense the induction point.
As a further improvement of the present invention, the measuring thickness device further includes the bearing being fixed on the pinboard, institute
State survey high axis can in the bearing relative to the air cylinder support close to or far from the workbench.
For achieving the above object, the present invention also provides a kind of thickness measuring method for measuring thickness device, including it is as follows
Step：The motor drives pinboard to reach predetermined position, and the distance between the inductor and workbench are H0；Start gas
Cylinder, the cylinder driving high axis of survey touch work top；Start motor, the pinboard is moved towards the workbench
Dynamic, when inductor senses the induction point, motor stops；The distance between the inductor and workbench are h0；It is described
The distance Z0 and H0 and the relationship of h0 of pinboard decline be：Z0= H0-h0；The motor drives pinboard to reach predetermined position,
The distance between the inductor and workbench are H0；Workpiece is placed on workbench, cylinder is started, the cylinder drives institute
It states the high axis of survey and touches workpiece；Start motor, the pinboard is mobile towards the workpiece, when inductor senses the induction
When point, motor stops；The distance between the inductor and the workbench are h1；The distance Z1 and H0 of the pinboard decline
Relationship with h1 is：Z1=H0-h1；The thickness D and the relationship of Z1, Z2 of the workpiece be：D=Z0-Z1.
The beneficial effects of the invention are as follows：Measuring thickness device of the invention, before and after being placed in workbench by workpiece, inductor with
The poor thickness to determine workpiece of the distance between workbench, structure is simple, and cost is relatively low.In addition, in measurement by using bullet
Spring buffering reduces and surveys high axis to the pressure influence of workpiece, while being effectively protected workpiece, ensure that the accurate of measurement thickness
Property.
Detailed description of the invention
Fig. 1 is the perspective view of measuring thickness device of the invention.
Fig. 2 is the partial enlarged view of the encircled portion of Fig. 1.
Fig. 3 is the main view of Fig. 1.
Fig. 4 is the state diagram before not placing workpiece, when the motor drives pinboard to reach predetermined position.
Fig. 5 is the state diagram surveyed when high axis touches work top before not placing workpiece.
Fig. 6 is the state diagram before not placing workpiece, when the inductor senses the induction point.
Fig. 7 is the state diagram surveyed when high axis touches work top after placing workpiece.
Fig. 8 is the state diagram when the inductor senses the induction point after placing workpiece.
Fig. 9 is the structural schematic diagram for surveying high axis.
Figure 10 is cross-sectional view of the Fig. 9 along the direction A-A.
Figure 11 is the state decomposition figure for surveying spring described in high axis and the work top or workpiece contact process
And the schematic diagram for the elastic force that spring generates during being somebody's turn to do.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, right in the following with reference to the drawings and specific embodiments
The present invention is described in detail.
It please refers to shown in Fig. 1 ~ Figure 11, the present invention provides a kind of structures simply, can accurately measure thickness of workpiece
Measuring thickness device 100, including the workbench 10 for placing workpiece, the thickness measuring component 20 for measuring the thickness of workpiece.It is described
Thickness measuring component 20 includes positioned at the mutually matched electric machine assembly 21 in described 10 the same side of workbench, cylinder assembly 22, is fixed on institute
State the inductor on electric machine assembly 21（It is unlabeled）, be fixed on the induction matched on the cylinder assembly 22 with the inductor
Point（It is not shown）.For convenience, the present invention is by taking the thickness measuring component 20 is located at the top of the workbench 10 as an example, and sheet
The other technologies scheme of invention is not limited to the Structural assignments.
The electric machine assembly 21 includes fixed plate 211, the motor 212 being fixed in the fixed plate 211, by the motor
212 drivings are with the pinboard 215 far from or close to the workbench 10.Specifically, the motor 212 has screw rod 2121；Institute
Stating electric machine assembly 21 further includes merging to be driven by the screw rod 2121 with the separate or close work with the screw rod 2121 matching
Make nut 213, the nut seat 214 fixed with 213 phase of nut of platform 10, the pinboard 215 is fixed on the nut seat
To be indirectly secured on the nut 213 on 214.
When starting the motor 212, the screw rod 2121 is rotated, the nut 213 and 2121 engagement rotation of screw rod
And the separate or close workbench 10, the nut seat 214 is as the nut 213 is mobile and then drives the pinboard
The 215 separate or close workbench 10.
The cylinder assembly 22 include be fixed on the pinboard 215 cylinder 221, by the cylinder 221 stretch and/
Or compression spring 222, along the spring 222 telescopic direction extend the high axis 223 of survey；The spring 222 and the survey are high
223 phase of axis is fixed.
In the present embodiment, the cylinder 221 is fixed on the pinboard 215 by air cylinder support 224, therefore described turn
Fishplate bar 215 far from or when close to the workbench 10, the cylinder 221 and described whole can be driven by the air cylinder support 224
A cylinder assembly 22 is mobile.The measuring thickness device 100 further includes the bearing 225 being fixed on the pinboard 215, and the survey is high
Axis 223 be interspersed in the bearing 225 and can in the bearing 225 relative to the air cylinder support 224 close to or far from
The workbench 10.
The cylinder 221 has cylinder rod 2211, and the spring 222 can be directly connected to or lead to the cylinder rod 2211
Link block 226 is crossed to be indirectly connected with.The spring 222 is stretched and/or compresses described to drive when to start the cylinder 221
High axis 223 is surveyed far from or close to the workbench 10.2211 end of cylinder rod is connect with the link block 226, the bullet
Spring 222 is fixed with 226 phase of link block, and it is described to stretch and/or compress that the cylinder rod 2211 drives the link block 226
Spring 222.
In in one embodiment, one end of the spring 222 fixed with 226 phase of link block or directly with it is described
The connection of 2211 end of cylinder rod；The other end and the high axis 223 of survey are fixed.
Please shown in detail refering to fig. 1 ~ Fig. 3 and Fig. 9 ~ Figure 10, in another embodiment, the cylinder assembly 22 further includes wearing
The middle part of the spring 222 fixing piece 227 that the middle part of the spring 222 is fixed with 226 phase of link block is crossed, such as screw
227 etc..It is formed it is of course also possible to be interpreted as the spring 222 and joined end to end by two springs 222, the fixing piece 227 is simultaneously
Fix two adjacent sides of spring 222.Described survey on high axis 223 is fixed at the both ends of the spring 222.It is described to survey high axis
223 are equipped with the pin shaft 2231 extended along the length direction for surveying high axis 223, and the both ends of the spring 222 are individually fixed in
On the pin shaft 2231.Therefore there are three fixed points altogether for the spring 222, and the fixing piece 227 divides the spring 222
At two parts.
When the cylinder 221 starts, the cylinder rod 2211 drives the link block 226 separate or close to the workbench
10 is mobile, to drive the fixing piece 227 mobile；The fixing piece 227 is compressed respectively, is stretched positioned at the fixing piece 227
The spring 222 of two sides, so that the spring 222 generates elastic force to drive the high axis 223 of the survey separate or close to the work
Platform 10.
The present embodiment is used as fixing piece 227 using screw 227, and screw 227 is interspersed in 222 the inside of spring will be in spring 222
Portion is fixed on the link block 226；When the cylinder 221 drives the fixing piece 227 mobile towards the workbench 10, institute
It states screw 227 and applies pressure towards the workbench 10 to the spring 222, enable to survey that high axis 223 is stable to be touched
The surface of the workbench 10 or workpiece.
It please refers to shown in Figure 11, for the workpiece to be placed on the workbench 10, a figure is that cylinder 221 declines
The position of workpiece is just touched to the high axis 223 of survey, the gravity of the elastic force of spring 222 and the high axis 223 of survey mutually balances at this time.B figure
For the starting of motor 212, pinboard 215 drives downwards the cylinder 221 to continue to drop to the inductor and sense the induction
The state diagram of spring when point.C figure is that screw stretches 222 pairs of spring be located above the screw and surveys high axis 223 and applies during b figure
Add downward pulling force F1 while spring 222 pair survey high axis 223 of the compression below the screw apply downward pressure F2,
It surveys high axis 223 not move down, surveys high axis 223 to the pressure F of workpiecePlateWith F1And F2Relationship is：
F=F1+F2=2Kx；
In above formula, K is the coefficient of elasticity of spring 222.Therefore, lesser coefficient of elasticity K may be selected in spring 222, to meet
Surveying workpiece when high axis 223 is pressed on workpiece will not deform.
The inductor is fixed on the pinboard 215, and it is fooled described that the induction point is fixed on the high axis 223 of survey
When induction point is opposite with the inductor, the inductor can sense the induction point.Specifically, the pinboard 215 is set
There is the induction part 231 towards 22 side of cylinder assembly, the induction part 231 has inductive slot 232 up and down, described
Inductor is located in the inductive slot 232；The induction point is located on the induction rod 24 that may pass through the inductive slot 232, works as institute
When stating induction rod 24 and being located in the inductive slot 232, the inductor can sense the induction point.
Before workpiece is placed in the workbench 10, the high axis 223 of survey touches the workbench 10, and the inductor
When sensing the induction point, the distance of the inductor to the workbench 10 is first distance；Described in being placed in when workpiece
It is described to survey high axis 223 and touch the workpiece after workbench 10, and when the inductor senses the induction point 3, the sense
The distance for answering device to the workbench 10 is second distance；The range difference of first distance and second distance is thickness of workpiece.
Fig. 4 ~ Fig. 8 and Figure 11 is please referred to, the present invention also provides a kind of thickness measuring method for the measuring thickness device 100,
Include the following steps：
The motor 212 drives pinboard 215 to reach predetermined position, and the distance between the inductor and workbench 10 are
H0；
Start cylinder 221, the cylinder rod 2211 drives the high axis 223 of survey to touch 10 face of workbench, and cylinder 221 closes
It closes；
Start motor 212, the screw rod 2121 drives the pinboard 215 mobile towards the workbench 10, the gas
Cylinder 221 is also mobile towards the workbench 10 under the drive of pinboard 215, while the fixing piece 227 compresses the spring
222 and described survey that high axis 223 is motionless, and when inductor senses the induction point 223, motor 212 stops；The inductor with
The distance between workbench 10 is h0；
The distance Z0 and H0 and the relationship of h0 that pinboard 215 declines be：Z0=H0-h0；
The motor 212 drives pinboard 215 to reach predetermined position, and the distance between the inductor and workbench 10 are
H0；
Workpiece is placed on workbench 10, cylinder 221 is started, the high axis 223 of survey is driven to touch workpiece, cylinder
221 close；
Start motor 212, the screw rod 2121 drives the pinboard 215 mobile towards the workbench 10, the gas
Cylinder 221 is also mobile towards the workbench 10 under the drive of pinboard 215, while the fixing piece 227 compresses the spring
222 and described survey that high axis 223 is motionless, and when inductor senses the induction point 223, motor 212 stops；The inductor with
The distance between described workbench 10 is h1；
The distance Z1 and H0 and the relationship of h1 that pinboard 215 declines be：Z1=H0-h1；
The thickness D and the relationship of Z1, Z2 of the workpiece be：D=Z0-Z1.
This method passes through the cooperation of electric machine assembly 21 and cylinder assembly 22, by measuring the inductor and the work twice
Make the range difference of platform 10 to measure the dropping distance of pinboard 215, eliminate error, accuracy is high；In 10 face height of workbench
In the case where constant, for the workpiece of different batches, it only can need to measure a Z1.
In conclusion measuring thickness device 100 of the invention, is placed in 10 front and back of workbench, inductor and work by workpiece
The poor thickness to determine workpiece of the distance between platform 10, structure is simple, and cost is relatively low.In addition, in measurement by using spring
222 bufferings reduce and survey high axis 223 to the pressure influence of workpiece, while being effectively protected workpiece, ensure that measurement thickness
Accuracy.
The above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to preferred embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that, it can modify to technical solution of the present invention
Or equivalent replacement, without departing from the spirit and scope of the technical solution of the present invention.
Claims (10)
1. a kind of measuring thickness device, the thickness measuring component including the workbench for placing workpiece, the thickness for measuring the workpiece,
It is characterized in that：
The thickness measuring component includes the electric machine assembly and cylinder assembly positioned at described workbench the same side；
The electric machine assembly include fixed plate, the motor being fixed in the fixed plate, by the motor driven with separate or lean on
The pinboard of the nearly workbench；
The cylinder assembly includes the cylinder being fixed on the pinboard, the spring for being stretched and/or being compressed by the cylinder, edge
The high axis of survey that the telescopic direction of the spring extends, the spring are mutually fixed with the high axis of survey；Spring is drawn when starting cylinder
It stretches and/or compresses to drive the high axis of survey separate or close to the workbench；
The thickness measuring component further include the inductor being fixed on the electric machine assembly, be fixed on the cylinder assembly with it is described
The induction point that inductor matches；
It is described to survey high axis and touch the workbench before workpiece is placed in the workbench, and the inductor sense it is described
When induction point, the distance of the inductor to the workbench is first distance；It is described after workpiece is placed in the workbench
It surveys high axis and touches the workpiece, and when the inductor senses the induction point, the inductor to the workbench
Distance is second distance；The range difference of first distance and second distance is thickness of workpiece.
2. measuring thickness device according to claim 1, it is characterised in that：The inductor is fixed on the pinboard, institute
It states induction point and is fixed on described survey on high axis.
3. measuring thickness device according to claim 1, it is characterised in that：The motor has screw rod, and the electric machine assembly is also
Including being driven by the screw rod with the nut far from or close to the workbench, the pinboard is fixed on the nut.
4. measuring thickness device according to claim 1, it is characterised in that：The cylinder has cylinder rod, the cylinder assembly
It further include the link block being connect with the cylinder rod, the spring is mutually fixed with the link block；Described in the cylinder rod driving
Link block is to stretch and/or compress the spring.
5. measuring thickness device according to claim 4, it is characterised in that：The cylinder assembly further includes across the spring
The fixing piece that middle part mutually fixes at the middle part of the spring with the link block.
6. measuring thickness device according to claim 5, it is characterised in that：The high axis of survey is fixed at the both ends of the spring
On.
7. measuring thickness device according to claim 4, it is characterised in that：One end of the spring is fixed with the link block,
The other end is fixed with the high axis of survey.
8. measuring thickness device according to claim 1, it is characterised in that：The pinboard is equipped with towards the cylinder assembly one
The induction part of side, the induction part have inductive slot up and down；It is described to survey high axis with the sense that may pass through the inductive slot
Answer bar；When the induction rod is located in the inductive slot, the inductor can sense the induction point.
9. measuring thickness device according to claim 1, it is characterised in that：The measuring thickness device further includes being fixed on the switching
Bearing on plate, it is described survey high axis can in the bearing relative to the air cylinder support close to or far from the workbench.
10. thickness measuring method of the one kind for the measuring thickness device as described in claim 1 ~ 9 any one, includes the following steps：
The motor drives pinboard to reach predetermined position, and the distance between the inductor and workbench are H0；
Start cylinder, the cylinder driving high axis of survey touches work top；
Start motor, the pinboard is towards the movable workbench, and when inductor senses the induction point, motor stops
Only；The distance between the inductor and workbench are h0；
The relationship of the distance Z0 and H0 and h0 of pinboard decline is：Z0= H0-h0；
The motor drives pinboard to reach predetermined position, and the distance between the inductor and workbench are H0；
Workpiece is placed on workbench, cylinder is started, the cylinder driving high axis of survey touches workpiece；
Start motor, the pinboard is mobile towards the workpiece, and when inductor senses the induction point, motor stops；
The distance between the inductor and the workbench are h1；
The relationship of the distance Z1 and H0 and h1 of pinboard decline is：Z1=H0-h1；
The thickness D and the relationship of Z1, Z2 of the workpiece be：D=Z0-Z1.
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| CN201510116754.8A CN106032981B (en) | 2015-03-17 | 2015-03-17 | Measuring thickness device and thickness measuring method for the measuring thickness device |
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| CN201510116754.8A CN106032981B (en) | 2015-03-17 | 2015-03-17 | Measuring thickness device and thickness measuring method for the measuring thickness device |
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| CN106032981B true CN106032981B (en) | 2018-11-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106500639A (en) * | 2016-12-08 | 2017-03-15 | 太仓源凯汽车配件有限公司 | A kind of executor's detection means |
| CN107270850B (en) * | 2017-06-23 | 2023-08-18 | 宁波新松机器人科技有限公司 | Clamp spring groove height measuring device and measuring method |
| CN111922764B (en) * | 2020-09-22 | 2021-01-12 | 维嘉数控科技（苏州）有限公司 | Depth-controlled milling compensation depth detection mechanism and circuit board depth-controlled milling device |
| CN112902902A (en) * | 2021-01-19 | 2021-06-04 | 深圳市金天光学科技有限公司 | Lens thickness detection anchor clamps and have thickness detection device of this anchor clamps |
| CN113418485B (en) * | 2021-06-08 | 2023-10-13 | 深圳市大族数控科技股份有限公司 | Thickness measuring device and thickness measuring method |
| CN113560652B (en) * | 2021-09-26 | 2022-02-08 | 苏州维嘉科技股份有限公司 | Depth-control milling module, processing equipment, detection method and image acquisition method |
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| JP2007212408A (en) * | 2006-02-13 | 2007-08-23 | Kochi Univ Of Technology | System and method for measuring film thickness and ultrasound probe mounting structure used in same |
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Address after: No.188 Chuangyuan Road, industrial park, Suzhou, Jiangsu Province, 215000 Patentee after: Suzhou Weijia Technology Co.,Ltd. Address before: 215021 No.188, Xincheng Road, Dushuhu science and Education Innovation Zone, Suzhou Industrial Park, Jiangsu Province Patentee before: VEGA CNC TECHNOLOGY (SUZHOU) Co.,Ltd. |