CN204788311U - Thickness measuring device - Google Patents

Thickness measuring device Download PDF

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Publication number
CN204788311U
CN204788311U CN201520152527.6U CN201520152527U CN204788311U CN 204788311 U CN204788311 U CN 204788311U CN 201520152527 U CN201520152527 U CN 201520152527U CN 204788311 U CN204788311 U CN 204788311U
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CN
China
Prior art keywords
cylinder
spring
worktable
fixed
thickness
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Withdrawn - After Issue
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CN201520152527.6U
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Chinese (zh)
Inventor
陈朋飞
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Vega CNC Technology Suzhou Co Ltd
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Vega CNC Technology Suzhou Co Ltd
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Priority to CN201520152527.6U priority Critical patent/CN204788311U/en
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Abstract

The utility model provides a thickness measuring device, including the workstation that is used for placing the work piece, be used for measuring the thickness measuring subassembly of the thickness of work piece, the thickness measuring subassembly is including being located the workstation is with the motor element and the cylinder components of one side, motor element includes the fixed plate, is fixed in motor on the fixed plate, by motor drive is in order to keep away from or to be close to the keysets of workstation, cylinder components is including fixing cylinder on the keysets, quilt spring, the edge of cylinder drawing and/or compression the height finding axle of the flexible direction extension of spring, the spring with the height finding axle is fixed mutually, the spring is stretch and/or is compressed in order to drive when opening actuating cylinder the height finding axle is kept away from or is close to the workstation, the thickness measuring subassembly is still including fixing the last inductor of motor element, fix cylinder components last with inductor matched with induction point. This thickness measuring subassembly, simple structure, with low costs, the thickness measuring accuracy is high.

Description

Measuring thickness device
Technical field
The utility model relates to a kind of measuring thickness device, particularly relates to a kind of measuring thickness device of automatic measuring workpieces thickness.
Background technology
The devices such as current measuring thickness device, cutting machine, all need measurement different batches, dissimilar workpiece being carried out to thickness before processing work.For laser thickness measuring apparatus, need to carry out thickness measure to workpiece before boring, to determine the distance of the distance of focus lamp and work top for needing.
Existing thickness measuring method utilizes the mode of linear motor traverse measurement platform, grating scale, the first-class feedback of reading to carry out the measurement of thickness more.But directly drive measuring table sheet material measurement by linear motor, measuring table can have certain surge pressure to workpiece, easily makes workpiece deform, not only affects use, and can affect the accuracy of thickness measuring when workpiece hardness is less; Use grating scale, read head price costly, installation regulates loaded down with trivial details.
In view of this, be necessary to be improved existing measuring thickness device, to solve the problem.
Utility model content
The purpose of this utility model is to provide that a kind of structure is simple, thickness measuring measuring thickness device accurately.
For realizing above-mentioned utility model object, the utility model provides a kind of measuring thickness device, comprises for the worktable of place work piece, for measuring the thickness measuring assembly of the thickness of described workpiece; Described thickness measuring assembly comprises the electric machine assembly and cylinder assembly that are positioned at described worktable the same side; Described electric machine assembly comprises fixed head, the motor be fixed on described fixed head, by described motor drive with away from or near the card extender of described worktable; Described cylinder assembly comprises the cylinder be fixed on described card extender, stretched by described cylinder and/or the spring compressed, the high axle of survey that extends along the telescopic direction of described spring, and described spring and the high axle of described survey fix; When starting cylinder spring be stretched and/or compress to drive the high axle of described survey away from or near described worktable; Described thickness measuring assembly also comprises the inductor be fixed on described electric machine assembly, is fixed on the induction point that described cylinder assembly matches with described inductor; Before workpiece is positioned over described worktable, high being coupling of described survey contacts described worktable, and when described inductor senses described induction point, described inductor is the first distance to the distance of described worktable; After workpiece is positioned over described worktable, high being coupling of described survey contacts described workpiece, and when described inductor senses described induction point, described inductor is second distance to the distance of described worktable; First distance is thickness of workpiece with the range difference of second distance.
As further improvement of the utility model, described inductor is fixed on described card extender, and described induction point is fixed on the high axle of described survey.
As further improvement of the utility model, described motor has screw mandrel, described electric machine assembly also comprise by described screw mandrel drive with away from or near the nut of described worktable, described card extender is fixed on described nut.
As further improvement of the utility model, described cylinder has cylinder rod, and described cylinder assembly also comprises the contiguous block be connected with described cylinder rod, and described spring and described contiguous block fix; Described cylinder rod drives described contiguous block to stretch and/or to compress described spring.
As further improvement of the utility model, described cylinder assembly also comprises the fixture that the middle part of described spring and described contiguous block fix by the middle part through described spring.
As further improvement of the utility model, the two ends of described spring are fixed on the high axle of described survey.
As further improvement of the utility model, one end and the described contiguous block of described spring are fixed, and the other end and the high axle of described survey are fixed.
As further improvement of the utility model, described card extender is provided with the induction part towards described cylinder assembly side, and described induction part has the induction groove of up/down perforation; The high axle of described survey has can through the induction rod of described induction groove; When described induction rod is positioned at described induction groove, described inductor can sense described induction point.
As further improvement of the utility model, described measuring thickness device also comprises the bearing be fixed on described card extender, the high axle of described survey can in described bearing relative to described air cylinder support near or away from described worktable.
The beneficial effects of the utility model are: measuring thickness device of the present utility model, are positioned over before and after worktable by workpiece, and the range difference between inductor and worktable determines the thickness of workpiece, and structure is simple, and cost is lower.In addition, when measuring by using spring buffer, reducing and surveying high axle to the pressure influence of workpiece, while effectively protecting workpiece, ensure that the accuracy of detect thickness.
Accompanying drawing explanation
Fig. 1 is the stereographic map of measuring thickness device of the present utility model.
Fig. 2 is the partial enlarged drawing of the encircled portion of Fig. 1.
Fig. 3 is the front view of Fig. 1.
Fig. 4 is before non-place work piece, and described driven by motor card extender arrives constitutional diagram during precalculated position.
Fig. 5 is before non-place work piece, the high constitutional diagram be coupling when contacting work top of described survey.
Fig. 6 is before non-place work piece, the constitutional diagram when described inductor senses described induction point.
Fig. 7 is after place work piece, the high constitutional diagram be coupling when contacting work top of described survey.
Fig. 8 is after place work piece, the constitutional diagram when described inductor senses described induction point.
Fig. 9 is the structural representation surveying high axle.
Figure 10 is the cut-open view of Fig. 9 along A-A direction.
Figure 11 is the schematic diagram of the elastic force that in the state decomposition figure of spring described in the high axle of described survey and described work top or absorption surface process and this process, spring produces.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Refer to shown in Fig. 1 ~ Figure 11, the utility model provide a kind of structure simple, can the measuring thickness device 100 of measuring workpieces thickness exactly, comprise for the worktable 10 of place work piece, for measuring the thickness measuring assembly 20 of described thickness of workpiece.Described thickness measuring assembly 20 comprise be positioned at described worktable 10 the same side and cooperatively interact electric machine assembly 21, cylinder assembly 22, the inductor (non-label) be fixed on described electric machine assembly 21, be fixed on the induction point (not shown) that described cylinder assembly 22 matches with described inductor.For convenience, the utility model is positioned at the top of described worktable 10 for described thickness measuring assembly 20, and other technologies scheme of the present utility model is not limited to this Structural assignments.
Described electric machine assembly 21 comprises fixed head 211, the motor 212 be fixed on described fixed head 211, by described motor 212 drive with away from or near the card extender 215 of described worktable 10.Particularly, described motor 212 has screw mandrel 2121; Described electric machine assembly 21 also comprise to match with described screw mandrel 2121 merge by described screw mandrel 2121 drive with away from or near the nut 213 of described worktable 10, the nut seat 214 that fixes with described nut 213, described card extender 215 to be fixed on described nut seat 214 thus to be indirectly fixed on described nut 213.
When starting described motor 212, described screw mandrel 2121 rotates, described nut 213 with described screw mandrel 2121 engagement rotation and away from or near described worktable 10, described nut seat 214 move along with described nut 213 so that drive described card extender 215 away from or near described worktable 10.
Described cylinder assembly 22 comprises the cylinder 221 be fixed on described card extender 215, stretched by described cylinder 221 and/or the spring 222 compressed, the high axle 223 of survey that extends along the telescopic direction of described spring 222; Described spring 222 fixes with the high axle 223 of described survey.
In the present embodiment, described cylinder 221 is fixed on described card extender 215 by air cylinder support 224, therefore described card extender 215 away from or near described worktable 10 time, described cylinder 221 and described whole cylinder assembly 22 can be driven to move by described air cylinder support 224.Described measuring thickness device 100 also comprises the bearing 225 be fixed on described card extender 215, and the high axle of described survey 223 to intert in described bearing 225 and can be close relative to described air cylinder support 224 or away from described worktable 10 described bearing 225 in.
Described cylinder 221 has cylinder rod 2211, and described spring 222 directly can be connected or indirectly be connected by contiguous block 226 with described cylinder rod 2211.Thus when starting described cylinder 221 described spring 222 be stretched and/or compress to drive the high axle of described survey 223 away from or near described worktable 10.Described cylinder rod 2211 end is connected with described contiguous block 226, and described spring 222 fixes with described contiguous block 226, and described cylinder rod 2211 drives described contiguous block 226 to stretch and/or to compress described spring 222.
In one of them embodiment, one end of described spring 222 fixes with described contiguous block 226 or is directly connected with described cylinder rod 2211 end; The other end and the high axle 223 of described survey are fixed.
Please consult in detail shown in Fig. 1 ~ Fig. 3 and Fig. 9 ~ Figure 10, in another embodiment, described cylinder assembly 22 also comprises the fixture 227 that the middle part of described spring 222 and described contiguous block 226 fix by the middle part through described spring 222, as screw 227 etc.Certainly, also can be understood as described spring 222 and joined end to end by two springs 222 and form, the adjacent side of two springs 222 fixed by described fixture 227 simultaneously.The two ends of described spring 222 are fixed on the high axle 223 of described survey.The high axle of described survey 223 is provided with the bearing pin 2231 that the length direction along the high axle 223 of described survey extends, and the two ends of described spring 222 are individually fixed on described bearing pin 2231.Therefore described spring 222 1 has three point of fixity, and described spring 222 be divide into two parts by described fixture 227.
When described cylinder 221 starts, described cylinder rod 2211 drive described contiguous block 226 away from or move near described worktable 10, thus drive described fixture 227 to move; Described fixture 227 compresses respectively, stretching is positioned at the spring 222 of described fixture 227 both sides, make described spring 222 produce elastic force thus drive the high axle of described survey 223 away from or near described worktable 10.
The present embodiment adopts screw 227 as fixture 227, and screw 227 interts and will be fixed on described contiguous block 226 in the middle part of spring 222 inside spring 222; When described cylinder 221 drives described fixture 227 to move towards described worktable 10, described screw 227 applies towards the pressure of described worktable 10 to described spring 222, makes the surface touching described worktable 10 or workpiece that the high axle of survey 223 can be stable.
Refer to shown in Figure 11, to be positioned over by described workpiece on described worktable 10, a figure is the position that cylinder 221 drops to that the high axle 223 of survey has just touched workpiece, and now the elastic force of spring 222 balances mutually with the gravity surveying high axle 223.B figure is that motor 212 starts, and card extender 215 drives downwards described cylinder 221 to continue to drop to the constitutional diagram of spring when described inductor senses described induction point.C figure is that in b figure process, screw stretches and is positioned at spring 222 above described screw and applies the spring 222 that downward tensile force f 1, simultaneously compression be positioned at below described screw and apply downward pressure F to surveying high axle 223 to the high axle 223 of survey 2, survey high axle 223 and do not move down, survey the pressure F of high axle 223 pairs of workpiece platewith F 1and F 2pass is:
F=F 1+F 2=2K x
In above formula, K is the elasticity coefficient of spring 222.Therefore, spring 222 can select less elasticity coefficient K, and when being pressed on workpiece with the high axle 223 of satisfied survey, workpiece can not deform.
Described inductor is fixed on described card extender 215, described induction point be fixed on the high axle of described survey 223 be taken in described induction point relative with described inductor time, described inductor can sense described induction point.Particularly, described card extender 215 is provided with the induction part 231 towards described cylinder assembly 22 side, and described induction part 231 has the induction groove 232 of up/down perforation, and described inductor is located in described induction groove 232; Described induction point is located at can through on the induction rod 24 of described induction groove 232, and when described induction rod 24 is positioned at described induction groove 232, described inductor can sense described induction point.
Before workpiece is positioned over described worktable 10, the high axle of described survey 223 touches described worktable 10, and when described inductor senses described induction point, described inductor is the first distance to the distance of described worktable 10; After workpiece is positioned over described worktable 10, the high axle of described survey 223 touches described workpiece, and when described inductor senses described induction point 3, described inductor is second distance to the distance of described worktable 10; First distance is thickness of workpiece with the range difference of second distance.
Refer to Fig. 4 ~ Fig. 8 and Figure 11, the utility model additionally provides a kind of thickness measuring method for described measuring thickness device 100, comprises the steps:
Described motor 212 drives card extender 215 to arrive precalculated position, and the distance between described inductor and worktable 10 is H0;
Start cylinder 221, described cylinder rod 2211 drives the high axle 223 of described survey to touch worktable 10, and cylinder 221 is closed;
Starter motor 212, described screw mandrel 2121 drives described card extender 215 to move towards described worktable 10, described cylinder 221 also moves towards described worktable 10 under the drive of card extender 215, simultaneously described fixture 227 compresses described spring 222 and described survey high axle 223 is motionless, when inductor senses described induction point 223, motor 212 stops; Distance between described inductor and worktable 10 is h0;
The pass of distance Z0 and the H0 that card extender 215 declines and h0 is: Z0=H0-h0;
Described motor 212 drives card extender 215 to arrive precalculated position, and the distance between described inductor and worktable 10 is H0;
Be positioned over by workpiece on worktable 10, start cylinder 221, drive the high axle 223 of described survey to touch workpiece, cylinder 221 is closed;
Starter motor 212, described screw mandrel 2121 drives described card extender 215 to move towards described worktable 10, described cylinder 221 also moves towards described worktable 10 under the drive of card extender 215, simultaneously described fixture 227 compresses described spring 222 and described survey high axle 223 is motionless, when inductor senses described induction point 223, motor 212 stops; Distance between described inductor and described worktable 10 is h1;
The pass of distance Z1 and the H0 that card extender 215 declines and h1 is: Z1=H0-h1;
Thickness D and the Z1 of described workpiece, the pass of Z2 are: D=Z0-Z1.
The method is coordinated by electric machine assembly 21 and cylinder assembly 22, and measured the dropping distance of card extender 215 by the range difference of the described inductor of twice measurement and described worktable 10, eliminate error, accuracy is high; When worktable 10 is highly constant, for the workpiece of different batches, measurement Z1 only can be needed.
In sum, measuring thickness device 100 of the present utility model, be positioned over before and after worktable 10 by workpiece, the range difference between inductor and worktable 10 determines the thickness of workpiece, and structure is simple, and cost is lower.In addition, when measuring by using spring 222 to cushion, reducing the pressure influence surveying high axle 223 pairs of workpiece, while effectively protecting workpiece, ensure that the accuracy of detect thickness.
Above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not depart from the spirit and scope of technical solutions of the utility model.

Claims (9)

1. a measuring thickness device, comprise for place work piece worktable, for measuring the thickness measuring assembly of the thickness of described workpiece, it is characterized in that:
Described thickness measuring assembly comprises the electric machine assembly and cylinder assembly that are positioned at described worktable the same side;
Described electric machine assembly comprises fixed head, the motor be fixed on described fixed head, by described motor drive with away from or near the card extender of described worktable;
Described cylinder assembly comprises the cylinder be fixed on described card extender, stretched by described cylinder and/or the spring compressed, the high axle of survey that extends along the telescopic direction of described spring, and described spring and the high axle of described survey fix; When starting cylinder spring be stretched and/or compress to drive the high axle of described survey away from or near described worktable;
Described thickness measuring assembly also comprises the inductor be fixed on described electric machine assembly, is fixed on the induction point that described cylinder assembly matches with described inductor;
Before workpiece is positioned over described worktable, high being coupling of described survey contacts described worktable, and when described inductor senses described induction point, described inductor is the first distance to the distance of described worktable; After workpiece is positioned over described worktable, high being coupling of described survey contacts described workpiece, and when described inductor senses described induction point, described inductor is second distance to the distance of described worktable; First distance is thickness of workpiece with the range difference of second distance.
2. measuring thickness device according to claim 1, is characterized in that: described inductor is fixed on described card extender, and described induction point is fixed on the high axle of described survey.
3. measuring thickness device according to claim 1, is characterized in that: described motor has screw mandrel, described electric machine assembly also comprise by described screw mandrel drive with away from or near the nut of described worktable, described card extender is fixed on described nut.
4. measuring thickness device according to claim 1, is characterized in that: described cylinder has cylinder rod, and described cylinder assembly also comprises the contiguous block be connected with described cylinder rod, and described spring and described contiguous block fix; Described cylinder rod drives described contiguous block to stretch and/or to compress described spring.
5. measuring thickness device according to claim 4, is characterized in that: described cylinder assembly also comprises the fixture that the middle part of described spring and described contiguous block fix by the middle part through described spring.
6. measuring thickness device according to claim 5, is characterized in that: the two ends of described spring are fixed on the high axle of described survey.
7. measuring thickness device according to claim 4, is characterized in that: one end and the described contiguous block of described spring are fixed, and the other end and the high axle of described survey are fixed.
8. measuring thickness device according to claim 1, is characterized in that: described card extender is provided with the induction part towards described cylinder assembly side, and described induction part has the induction groove of up/down perforation; The high axle of described survey has can through the induction rod of described induction groove; When described induction rod is positioned at described induction groove, described inductor can sense described induction point.
9. measuring thickness device according to claim 1, is characterized in that: described measuring thickness device also comprises the bearing be fixed on described card extender, the high axle of described survey can in described bearing relative to described air cylinder support near or away from described worktable.
CN201520152527.6U 2015-03-17 2015-03-17 Thickness measuring device Withdrawn - After Issue CN204788311U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106032981A (en) * 2015-03-17 2016-10-19 维嘉数控科技(苏州)有限公司 Thickness measurement device and thickness measurement method used for the thickness measurement device
CN113560652A (en) * 2021-09-26 2021-10-29 苏州维嘉科技股份有限公司 Depth-control milling module, processing equipment, detection method and image acquisition method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106032981A (en) * 2015-03-17 2016-10-19 维嘉数控科技(苏州)有限公司 Thickness measurement device and thickness measurement method used for the thickness measurement device
CN106032981B (en) * 2015-03-17 2018-11-27 维嘉数控科技(苏州)有限公司 Measuring thickness device and thickness measuring method for the measuring thickness device
CN113560652A (en) * 2021-09-26 2021-10-29 苏州维嘉科技股份有限公司 Depth-control milling module, processing equipment, detection method and image acquisition 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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C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20151118

Effective date of abandoning: 20181127

AV01 Patent right actively abandoned