CN117968536A - Measuring device - Google Patents
Measuring device Download PDFInfo
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- CN117968536A CN117968536A CN202410376245.8A CN202410376245A CN117968536A CN 117968536 A CN117968536 A CN 117968536A CN 202410376245 A CN202410376245 A CN 202410376245A CN 117968536 A CN117968536 A CN 117968536A
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- reading head
- sliding
- groove
- grating ruler
- fitting
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- 230000000149 penetrating effect Effects 0.000 claims description 15
- 238000005259 measurement Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 27
- 238000006073 displacement reaction Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The application provides a measuring device, which comprises a mounting piece, a grating ruler, a sliding rail, a sliding part and a reading head, wherein the mounting piece is arranged on the grating ruler; the mounting piece is provided with a first step structure; the grating ruler is arranged on the mounting piece; the sliding rail is arranged at the first step structure, and the bottom surface and the preset side surface of the sliding rail are respectively contacted with the first step surface and the first step side surface of the first step structure; the sliding part is slidably arranged on the sliding rail; the reading head is connected with the sliding part so that the sliding part drives the reading head to slide; the extending direction of the grating ruler is parallel to the extending direction of the sliding rail; the measuring device solves the problem that the grating ruler in the prior art is inconvenient to install.
Description
Technical Field
The invention relates to the technical field of grating scales, in particular to a measuring device.
Background
The grating ruler is a high-precision linear displacement sensor, is widely applied to a numerical control machine tool, is often applied to a closed-loop servo system of the numerical control machine tool, and can be used for detecting linear displacement or angular displacement; the signal output by the measuring device is digital pulse, and has the characteristics of large detection range, high detection precision and high response speed.
At present, in precision machining and precision displacement measurement, a grating ruler is often adopted as a measuring sensor, and is directly connected with a secondary instrument or a numerical control system for displacement test. The grating ruler reading head is an instrument matched with the grating ruler for use, and the linear displacement distance is fed back in real time.
In order to ensure the installation accuracy of the grating ruler and the grating ruler reading head, the installation stability of the grating ruler and the grating ruler reading head needs to be ensured.
At present, most machine tool grating scales on the market are indirectly fixed at the top of a cross beam through a plurality of brackets, the accuracy of the whole grating scale mounting surface is difficult to ensure, and the installation and adjustment are inconvenient; the grating ruler support and the cross beam are not fixed, the grating ruler installation accuracy is easily affected by the position change of the support, workers are required to be familiar with the installation method of the grating ruler during installation, and a great amount of time is spent for debugging.
In addition, the installation position of the grating ruler reading head is not easy to determine, and multiple times of debugging are needed to ensure the installation precision; the reading head is poor in installation accuracy, so that the reading error is large, and the installation and debugging process is complex.
Disclosure of Invention
The invention mainly aims to provide a measuring device to solve the problem that a grating ruler in the prior art is inconvenient to install.
In order to achieve the above object, the present invention provides a measuring device including: the mounting piece is provided with a first step structure; the grating ruler is arranged on the mounting piece; the sliding rail is arranged at the first step structure, and the bottom surface and the preset side surface of the sliding rail are respectively contacted with the first step surface and the first step side surface of the first step structure; the sliding part is slidably arranged on the sliding rail; the reading head is connected with the sliding part, so that the sliding part drives the reading head to slide; the extending direction of the grating ruler is parallel to the extending direction of the sliding rail.
Further, a second step structure is arranged on the mounting piece, the grating ruler is arranged at the second step structure, and the bottom surface and the second side surface of the grating ruler are respectively contacted with the second step surface and the second step side surface of the second step structure; the first side surface and the second side surface of the grating ruler are oppositely arranged; the first side is disposed toward the read head.
Further, the measuring device further includes: the assembly part is provided with a sliding part; the support piece is arranged on the assembly part, and the reading head is arranged on the support piece.
Further, the assembly part is provided with a first connecting hole, the support piece is provided with a second connecting hole, and the assembly part and the support piece are relatively fixed by enabling the first locking piece to be arranged in the first connecting hole and the second connecting hole in a penetrating mode.
Further, the support member is provided with a mounting groove, and the reading head is arranged in the mounting groove.
Further, a first positioning hole and a second positioning hole are formed in the support piece; the reading head is provided with a third positioning hole; the two groove side walls of the mounting groove are an upper groove side wall and a lower groove side wall respectively; when the reading head is arranged in the mounting groove, the top surface of the reading head is contacted with the side wall of the upper groove, and/or the bottom surface of the reading head is contacted with the side wall of the lower groove; when the top surface of the reading head is contacted with the side wall of the upper groove, the first positioning piece is arranged in the first positioning hole and the third positioning hole in a penetrating way; when the bottom surface of the reading head contacts with the side wall of the lower groove, the second positioning piece is arranged in the second positioning hole and the third positioning hole in a penetrating mode.
Further, the support piece comprises a connecting part and a support part which are connected with each other, the connecting part is fixedly connected with the assembly part, and the reading head is arranged on the support part.
Further, the fitting is provided with a fitting groove, and the sliding portion is provided in the fitting groove.
Further, the grating ruler and the reading head are distributed along a preset direction, and the groove bottom wall and the groove opening of the assembly groove are distributed along the preset direction; an adjusting part is arranged between the bottom wall of the assembly groove and the sliding part, so that the distance between the reading head and the grating ruler in the preset direction is adjusted by adjusting the thickness of the adjusting part in the preset direction.
Further, the plurality of sliding rails are arranged, a plurality of first step structures are arranged on the mounting piece, and the plurality of sliding rails are correspondingly arranged at the plurality of first step structures one by one; the sliding parts are multiple and are arranged on the sliding rails in a one-to-one correspondence manner; the reading head is connected with the sliding parts, so that the sliding parts drive the reading head to slide together.
By applying the technical scheme of the invention, the measuring device comprises a mounting piece, a grating ruler, a sliding rail, a sliding part and a reading head; the grating ruler is arranged on the mounting piece and is fixedly arranged relative to the mounting piece; the mounting piece is provided with a first step structure, the sliding rail is provided with a bottom surface and a preset side surface, the sliding rail is arranged at the first step structure, the bottom surface and the preset side surface of the sliding rail are respectively contacted with the first step surface and the first step side surface of the first step structure, so that the sliding rail is mounted and positioned under the contact and fit of the first step surface and the first step side surface of the first step structure with the bottom surface and the preset side surface of the sliding rail respectively; the sliding rail is fixedly arranged relative to the mounting piece; the sliding part is slidably arranged on the sliding rail; the extending direction of the grating ruler is parallel to the extending direction of the sliding rail; the reading head is connected with the sliding part, namely the reading head is relatively fixed with the sliding part, so that the sliding part drives the reading head to slide, and further displacement detection is realized.
According to the invention, the bracket for installing the grating ruler is omitted, the grating ruler is directly leaned against the second step structure, so that the grating ruler is convenient to install and adjust, the installation convenience of the grating ruler is improved, and the problem of inconvenient installation of the grating ruler in the prior art is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
Fig. 1 shows a schematic diagram of the structure of a measuring device according to the invention;
FIG. 2 shows an enlarged view of a portion of the measuring device of FIG. 1;
fig. 3 shows a side view of a measuring device according to the invention;
FIG. 4 shows a schematic structural view of the mounting of the measuring device of FIG. 3;
FIG. 5 shows an enlarged block diagram of the mounting member of the measuring device of FIG. 4 at a first step configuration;
FIG. 6 shows an enlarged block diagram of the slide rail of the measuring device of FIG. 3 disposed at the first step structure;
FIG. 7 shows an enlarged block diagram of the measuring device of FIG. 3 with the grating scale disposed at the second step structure;
fig. 8 shows a schematic structural view of a support of a measuring device according to the invention;
FIG. 9 shows an enlarged block diagram of the measuring device of FIG. 3 with the read head disposed at the mounting slot on the support;
fig. 10 shows an enlarged structural view of the sliding portion of the measuring device of fig. 3 disposed at the fitting groove of the fitting.
Wherein the above figures include the following reference numerals:
10. a mounting member; 11. a first step structure; 111. a first step surface; 112. a first step side; 12. a second step structure; 121. a second step surface; 122. a second step side;
20. A grating ruler; 21. a first side; 22. a second side;
30. a slide rail; 31. presetting a side face; 40. a sliding part;
50. a reading head; 60. a fitting; 61. an assembly groove; 70. a support; 701. a connection part; 702. a support part; 71. a second connection hole; 72. a mounting groove; 73. a third connection hole; 80. an adjusting part.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The invention provides a measuring device, please refer to fig. 1 to 10, the measuring device comprises a mounting member 10, a grating ruler 20, a sliding rail 30, a sliding part 40 and a reading head 50; the grating ruler 20 is arranged on the mounting piece 10, and the grating ruler 20 is fixedly arranged relative to the mounting piece 10; the mounting part 10 is provided with a first step structure 11, the sliding rail 30 is provided with a bottom surface and a preset side surface 31, the sliding rail 30 is arranged at the first step structure 11, the bottom surface and the preset side surface 31 of the sliding rail 30 are respectively contacted with a first step surface 111 and a first step side surface 112 of the first step structure 11, so that the positioning function is realized on the mounting of the sliding rail 30 under the contact cooperation of the first step surface 111 and the first step side surface 112 of the first step structure 11 with the bottom surface and the preset side surface 31 of the sliding rail 30; the sliding rail 30 is fixedly arranged relative to the mounting piece 10; the sliding portion 40 is slidably disposed on the slide rail 30; the extending direction of the grating ruler 20 is parallel to the extending direction of the sliding rail 30; the reading head 50 is connected with the sliding part 40, that is, the reading head 50 is relatively fixed with the sliding part 40, so that the sliding part 40 drives the reading head 50 to slide, and further displacement detection is realized.
According to the invention, the bracket for installing the grating ruler is omitted, the grating ruler 20 is directly leaned against the second step structure 12, so that the grating ruler 20 is convenient to install and adjust, the installation convenience of the grating ruler 20 is improved, and the problem of inconvenient installation of the grating ruler in the prior art is solved.
Optionally, the mounting member 10 is a beam structure, and the extending direction of the mounting member 10 is parallel to or the same as the extending direction of the sliding rail 30. For example, the mount 10 is a cross beam.
Alternatively, the sliding portion 40 is a slider.
In the present embodiment, the mount 10 is provided with a second step structure 12; the grating scale 20 has a bottom surface, a first side surface 21 and a second side surface 22, and the first side surface 21 and the second side surface 22 are disposed opposite to each other; the grating scale 20 is arranged at the second step structure 12, and the bottom surface and the second side surface 22 of the grating scale 20 are respectively contacted with the second step surface 121 and the second step side surface 122 of the second step structure 12, so that the grating scale 20 is installed under the contact cooperation of the second step surface 121 and the second step side surface 122 of the second step structure 12 and the bottom surface and the second side surface 22 of the grating scale 20, and the positioning function is realized; the first side 21 is disposed toward the read head 50.
Specifically, the first step surface 111 of the first step structure 11 is provided upward, and the first step structure 11 is provided on the top surface of the mount 10.
Specifically, the second step surface 121 of the second step structure 12 is provided upward, and the second step structure 12 is provided at the side of the mount 10.
In this embodiment, the measuring device further comprises a fitting 60 and a support 70; the sliding part 40 is arranged on the assembly part 60, and the sliding part 40 is fixedly arranged relative to the assembly part 60 so that the sliding part 40 drives the assembly part 60 to slide together; the supporting piece 70 is arranged on the assembly part 60, and the supporting piece 70 is fixedly arranged relative to the assembly part 60; the reading head 50 is disposed on the support member 70, and the reading head 50 is fixedly disposed relative to the support member 70, so that the sliding portion 40 drives the assembly member 60, the support member 70 and the reading head 50 to slide together.
In this embodiment, the fitting 60 is provided with a first connecting hole, the support member 70 is provided with a second connecting hole 71, and the first locking member is inserted into the first connecting hole and the second connecting hole 71, so that the fitting 60 and the support member 70 are relatively fixed.
Specifically, the assembly 60 is provided with a plurality of first connecting holes, the support 70 is provided with a plurality of second connecting holes 71, the first locking members are a plurality of, the first connecting holes are arranged in one-to-one correspondence with the second connecting holes 71, and the first connecting holes are arranged in one-to-one correspondence with the first locking members; each first locking member is disposed through a corresponding first coupling hole and a corresponding second coupling hole 71. Through the arrangement of the first connecting holes and the second connecting holes 71, a certain positioning effect is achieved on the installation of the supporting piece 70 on the assembly part 60, so that the supporting piece 70 can be quickly installed at a preset position on the assembly part 60, and the installation of the supporting piece 70 is convenient.
Alternatively, the second connection hole 71 is a pin hole or a screw hole; the first locking member is a pin or screw.
Alternatively, the fitting 60 is a plate-like structure.
Optionally, the support 70 is a bracket.
In this embodiment, the support 70 is provided with a mounting slot 72 and the read head 50 is disposed within the mounting slot 72.
Specifically, two groove side walls of the mounting groove 72 are distributed up and down, and the two groove side walls of the mounting groove 72 are an upper groove side wall and a lower groove side wall respectively; when the read head 50 is disposed within the mounting slot 72, the top surface of the read head 50 contacts the upper slot side wall and/or the bottom surface of the read head 50 contacts the lower slot side wall.
Specifically, the support 70 is provided with a first positioning hole and a second positioning hole; the reading head 50 is provided with a third positioning hole.
When the top surface of the reading head 50 contacts with the side wall of the upper groove, the first positioning piece is arranged in the first positioning hole and the third positioning hole in a penetrating manner, so that when the reading head 50 is mounted on the supporting piece 70, the first positioning piece is arranged in the first positioning hole and the third positioning hole in a penetrating manner, and the effect of preliminary positioning on the mounting of the reading head 50 is achieved.
Optionally, the first positioning holes are multiple, the third positioning holes are multiple, and the first positioning holes and the third positioning holes are arranged in a one-to-one correspondence manner; the first locating pieces are multiple, the first locating pieces and the first locating holes are arranged in a one-to-one correspondence mode, and each first locating piece is arranged in the corresponding first locating hole and the corresponding third locating hole in a penetrating mode.
When the bottom surface of the reading head 50 contacts with the side wall of the lower groove, the second positioning piece is arranged in the second positioning hole and the third positioning hole in a penetrating manner, so that when the reading head 50 is mounted on the supporting piece 70, the second positioning piece is arranged in the second positioning hole and the third positioning hole in a penetrating manner, and the effect of preliminary positioning on the mounting of the reading head 50 is achieved.
Optionally, the second positioning holes are multiple, the third positioning holes are multiple, and the second positioning holes and the third positioning holes are arranged in a one-to-one correspondence manner; the second locating pieces are multiple, the second locating pieces are arranged in one-to-one correspondence with the second locating holes, and each second locating piece is arranged in the corresponding second locating hole and the corresponding third locating hole in a penetrating mode.
Optionally, the first positioning hole and the second positioning hole are jackscrew holes; the first locating piece and the second locating piece are jackscrews.
Specifically, the support member 70 is provided with a third connection hole 73, and the reading head 50 is provided with a fourth connection hole; when the reading head 50 is disposed in the mounting groove 72 and when the top surface of the reading head 50 contacts the upper groove sidewall and/or the bottom surface of the reading head 50 contacts the lower groove sidewall, the reading head 50 and the supporting member 70 are relatively fixed by penetrating the second locking member into the third connecting hole 73 and the fourth connecting hole.
Specifically, the first positioning piece is arranged in the first positioning hole and the third positioning hole in a penetrating manner, and/or the second positioning piece is arranged in the second positioning hole and the third positioning hole in a penetrating manner, so that a preliminary positioning effect is achieved on the installation of the reading head 50; after the position is determined, the second locking member is inserted into the third connecting hole 73 and the fourth connecting hole, so that the reading head 50 and the supporting member 70 are locked and fixed.
Optionally, when the first positioning piece is penetrated in the first positioning hole and the third positioning hole, the first positioning piece is in a screwing state; when the second positioning piece is penetrated in the second positioning hole and the third positioning hole, the second positioning piece is in a screwing state so as to ensure that the reading head 50 and the supporting piece 70 are locked and fixed.
Alternatively, the third connection hole 73 is a kidney-shaped hole, which is provided to extend in the vertical direction.
Alternatively, the third connecting holes 73 are plural, the fourth connecting holes are plural, and the plural third connecting holes 73 and the plural fourth connecting holes are arranged in one-to-one correspondence; the second locking members are multiple, the second locking members are arranged in a one-to-one correspondence with the third connecting holes 73, and each second locking member is arranged in the corresponding third connecting hole 73 and the corresponding fourth connecting hole in a penetrating mode.
Optionally, the second locking member is a bolt or screw.
In the present embodiment, the support 70 includes a connection part 701 and a support part 702 connected to each other; the connecting part 701 is fixedly connected with the fitting 60; the reading head 50 is disposed on the support 702.
Specifically, the mounting groove 72 is provided on the support 702.
Specifically, all the second connection holes 71 on the support 70 are provided on the connection part 701. Optionally, two second connection holes 71 are provided on the connection portion 701, the connection portion 701 has an approximately triangular structure, and the two second connection holes 71 are respectively provided at two vertex angles of the connection portion 701.
Alternatively, the support 70 is an integrally formed structure.
Specifically, all the first positioning holes and all the second positioning holes on the support 70 are provided on the support 702.
Specifically, all the third connection holes 73 of the support 70 are provided on the support 702.
In the present embodiment, the fitting 60 is provided with the fitting groove 61, and the sliding portion 40 is provided in the fitting groove 61.
In the present embodiment, the grating ruler 20 and the reading head 50 are distributed along a preset direction; the groove bottom wall and the notch of the fitting groove 61 are distributed in a preset direction, and the notch of the fitting groove 61 is provided toward the mount 10; an adjusting portion 80 is provided between the groove bottom wall of the fitting groove 61 and the sliding portion 40, that is, the adjusting portion 80 is sandwiched between the groove bottom wall of the fitting groove 61 and the sliding portion 40 to adjust the interval between the reading head 50 and the grating ruler 20 in the preset direction by adjusting the thickness of the adjusting portion 80 in the preset direction.
Specifically, the pitch between the reading head 50 and the grating ruler 20 in the preset direction is finely adjusted by the adjusting portion 80.
Specifically, the plurality of adjusting portions 80 is provided, and the thicknesses of the plurality of adjusting portions 80 in the preset direction are different; the adjusting portion 80 of an appropriate thickness is selected among the plurality of adjusting portions 80 to be disposed between the groove bottom wall of the fitting groove 61 and the sliding portion 40.
Optionally, the preset direction is parallel to the horizontal direction.
Alternatively, the groove bottom walls and the notches of the mounting groove 72 are distributed in a predetermined direction, and the notches of the mounting groove 72 are provided toward the mount 10.
Alternatively, the adjustment portion 80 is an adjustment pad.
Specifically, the fourth locking member is inserted through the fitting 60 and the sliding portion 40, so that the fitting 60 and the sliding portion 40 are relatively fixed. When the adjusting portion 80 is provided, the fourth locking member may also be provided to pass through the adjusting portion 80. Optionally, the fourth locking member is a bolt or screw.
Specifically, the fifth locking member is inserted through the slide rail 30 and the mounting member 10, so that the slide rail 30 and the mounting member 10 are relatively fixed. Optionally, the fifth locking member is a bolt or screw.
Specifically, the third locking member is inserted through the grating scale 20 and the mounting member 10, so that the grating scale 20 and the mounting member 10 are relatively fixed. Optionally, the third locking member is a bolt or screw.
Specifically, the sixth locking member is inserted through the support member 70 and the fitting 60, so that the support member 70 and the fitting 60 are locked and fixed. Optionally, the sixth locking member is a bolt or screw.
In the present embodiment, the plurality of sliding rails 30 are provided, the mounting member 10 is provided with a plurality of first step structures 11, the plurality of sliding rails 30 are arranged at the plurality of first step structures 11 in a one-to-one correspondence manner, and the bottom surface and the preset side surface 31 of each sliding rail 30 are respectively contacted with the first step surface 111 and the first step side surface 112 of the corresponding first step structure 11; the sliding parts 40 are a plurality of, the sliding parts 40 are arranged in a one-to-one correspondence with the sliding rails 30, and each sliding part 40 is slidably arranged on the corresponding sliding rail 30; the reading head 50 is connected to the sliding parts 40, so that the sliding parts 40 drive the reading head 50 to slide together.
The fitting 60 is provided with a plurality of fitting grooves 61, and the plurality of sliding portions 40 are provided in the plurality of fitting grooves 61 in one-to-one correspondence.
An adjusting portion 80 is provided between the bottom wall of each fitting groove 61 and the corresponding sliding portion 40.
From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:
In the measuring device provided by the invention, the measuring device comprises a mounting piece 10, a grating ruler 20, a sliding rail 30, a sliding part 40 and a reading head 50; the grating ruler 20 is arranged on the mounting piece 10, and the grating ruler 20 is fixedly arranged relative to the mounting piece 10; the mounting part 10 is provided with a first step structure 11, the sliding rail 30 is provided with a bottom surface and a preset side surface 31, the sliding rail 30 is arranged at the first step structure 11, the bottom surface and the preset side surface 31 of the sliding rail 30 are respectively contacted with a first step surface 111 and a first step side surface 112 of the first step structure 11, so that the positioning function is realized on the mounting of the sliding rail 30 under the contact cooperation of the first step surface 111 and the first step side surface 112 of the first step structure 11 with the bottom surface and the preset side surface 31 of the sliding rail 30; the sliding rail 30 is fixedly arranged relative to the mounting piece 10; the sliding portion 40 is slidably disposed on the slide rail 30; the extending direction of the grating ruler 20 is parallel to the extending direction of the sliding rail 30; the reading head 50 is connected with the sliding part 40, that is, the reading head 50 is relatively fixed with the sliding part 40, so that the sliding part 40 drives the reading head 50 to slide, and further displacement detection is realized.
According to the invention, a bracket for installing the grating ruler is omitted, the grating ruler 20 is directly leaned against the second step structure 12, so that the grating ruler 20 is convenient to install and adjust, the installation convenience of the grating ruler 20 is improved, and the problem of inconvenient installation of the grating ruler in the prior art is solved; and the mounting stability of the grating ruler 20 can be improved.
According to the invention, the mounting piece 10 is modified, the first step structure 11 and the second step structure 12 are added, the sliding rail 30 and the grating ruler 20 are respectively mounted by taking the first step structure 11 and the second step structure 12 as references, the assembly difficulty of the sliding rail 30 and the grating ruler 20 is reduced, and the mounting precision of the sliding rail 30 and the grating ruler 20 is improved.
Based on the structural design of the measuring device, the installation accuracy of the grating ruler is guaranteed as long as the accuracy of the installation part 10 is guaranteed, the assembly difficulty is greatly reduced, the installation accuracy is improved, and the accuracy requirement is guaranteed even if the grating ruler is installed by people unfamiliar with the installation of the grating ruler.
According to the invention, through the arrangement of the plurality of first connecting holes and the plurality of second connecting holes 71, a certain positioning effect is achieved on the installation of the support piece 70 on the assembly part 60, so that the support piece 70 can be quickly installed at a preset position on the assembly part 60; the first positioning hole, the second positioning hole and the third positioning hole are arranged to perform a preliminary positioning function on the installation of the reading head 50; the sliding rail 30 is leaned against the first step structure 11 to realize the positioning of the sliding rail 30, and the sliding part 40 is installed on the basis of installing the positioned sliding rail 30; therefore, the installation of the grating ruler reading head is more convenient, and the problem that the installation accuracy is ensured by multiple times of debugging is avoided or reduced.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be capable of being practiced otherwise than as specifically illustrated and described. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A measurement device, comprising:
The mounting piece (10), the mounting piece (10) is provided with a first step structure (11) and a second step structure (12);
The grating ruler (20) is arranged at the second step structure (12), and the bottom surface and the second side surface (22) of the grating ruler (20) are respectively contacted with the second step surface (121) and the second step side surface (122) of the second step structure (12); the first side surface (21) and the second side surface (22) of the grating ruler (20) are oppositely arranged;
the sliding rail (30), the sliding rail (30) is arranged at the first step structure (11), and the bottom surface and the preset side surface (31) of the sliding rail (30) are respectively contacted with the first step surface (111) and the first step side surface (112) of the first step structure (11);
A sliding portion (40), the sliding portion (40) being slidably disposed on the slide rail (30);
The reading head (50) is connected with the sliding part (40) so that the sliding part (40) drives the reading head (50) to slide; the extending direction of the grating ruler (20) is parallel to the extending direction of the sliding rail (30); the first side (21) is disposed towards the reading head (50).
2. The measurement device of claim 1, wherein the measurement device further comprises:
A fitting (60), the sliding portion (40) being provided on the fitting (60);
-a support (70), said support (70) being arranged on said fitting (60), said reading head (50) being arranged on said support (70).
3. The measuring device according to claim 2, characterized in that the fitting (60) is provided with a first connection hole, the support (70) is provided with a second connection hole (71), and the fitting (60) and the support (70) are fixed relatively by passing a first locking member through the first connection hole and the second connection hole (71).
4. The measuring device according to claim 2, characterized in that the support (70) is provided with a mounting groove (72), the reading head (50) being arranged in the mounting groove (72).
5. The measuring device according to claim 4, characterized in that the support (70) is provided with a first positioning hole and a second positioning hole; a third positioning hole is formed in the reading head (50); the two groove side walls of the mounting groove (72) are an upper groove side wall and a lower groove side wall respectively; when the reading head (50) is arranged in the mounting groove (72), the top surface of the reading head (50) is contacted with the side wall of the upper groove, and/or the bottom surface of the reading head (50) is contacted with the side wall of the lower groove;
when the top surface of the reading head (50) is in contact with the side wall of the upper groove, a first positioning piece is arranged in the first positioning hole and the third positioning hole in a penetrating way;
When the bottom surface of the reading head (50) is in contact with the side wall of the lower groove, the second positioning piece is arranged in the second positioning hole and the third positioning hole in a penetrating mode.
6. The measuring device according to claim 2, characterized in that the support (70) comprises a connecting part (701) and a supporting part (702) connected to each other, the connecting part (701) being fixedly connected to the fitting (60), the reading head (50) being arranged on the supporting part (702).
7. Measuring device according to claim 2, characterized in that the fitting (60) is provided with a fitting groove (61), the sliding part (40) being arranged in the fitting groove (61).
8. The measuring device according to claim 7, characterized in that the grating ruler (20) and the reading head (50) are distributed along a preset direction, and the groove bottom wall and the groove mouth of the fitting groove (61) are distributed along the preset direction; an adjusting part (80) is arranged between the bottom wall of the assembly groove (61) and the sliding part (40) so as to adjust the distance between the reading head (50) and the grating ruler (20) in the preset direction by adjusting the thickness of the adjusting part (80) in the preset direction.
9. The measuring device according to claim 1, wherein a plurality of slide rails (30) are provided, a plurality of first step structures (11) are provided on the mounting member (10), and a plurality of slide rails (30) are provided at the plurality of first step structures (11) in a one-to-one correspondence; the sliding parts (40) are a plurality of, and the sliding parts (40) are arranged on the sliding rails (30) in a one-to-one correspondence manner; the reading head (50) is connected with the sliding parts (40) so that the sliding parts (40) drive the reading head (50) to slide together.
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| CN207344154U (en) * | 2017-10-09 | 2018-05-11 | 珠海格力电器股份有限公司 | Saddle device |
| CN208508761U (en) * | 2018-06-14 | 2019-02-15 | 深圳市歌尔泰克科技有限公司 | A kind of linear motor |
| CN212286912U (en) * | 2020-04-01 | 2021-01-05 | 温州市合诺精密机电有限公司 | Grid ruler for machining machine tool |
| CN215942329U (en) * | 2021-02-25 | 2022-03-04 | 贵州黎阳装备科技发展有限公司 | Grating ruler reading head mounting structure and machine tool |
| CN218891843U (en) * | 2022-10-10 | 2023-04-21 | 深圳市克洛诺斯科技有限公司 | Motion platform convenient to install |
| CN219178495U (en) * | 2022-12-29 | 2023-06-13 | 合肥芯碁微电子装备股份有限公司 | Grating ruler mounting and adjusting device |
| CN219265216U (en) * | 2023-02-24 | 2023-06-27 | 通用技术集团国测时栅科技有限公司 | Device for testing grid precision during multi-model straight line |
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2024
- 2024-03-29 CN CN202410376245.8A patent/CN117968536B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207344154U (en) * | 2017-10-09 | 2018-05-11 | 珠海格力电器股份有限公司 | Saddle device |
| CN208508761U (en) * | 2018-06-14 | 2019-02-15 | 深圳市歌尔泰克科技有限公司 | A kind of linear motor |
| CN212286912U (en) * | 2020-04-01 | 2021-01-05 | 温州市合诺精密机电有限公司 | Grid ruler for machining machine tool |
| CN215942329U (en) * | 2021-02-25 | 2022-03-04 | 贵州黎阳装备科技发展有限公司 | Grating ruler reading head mounting structure and machine tool |
| CN218891843U (en) * | 2022-10-10 | 2023-04-21 | 深圳市克洛诺斯科技有限公司 | Motion platform convenient to install |
| CN219178495U (en) * | 2022-12-29 | 2023-06-13 | 合肥芯碁微电子装备股份有限公司 | Grating ruler mounting and adjusting device |
| CN219265216U (en) * | 2023-02-24 | 2023-06-27 | 通用技术集团国测时栅科技有限公司 | Device for testing grid precision during multi-model straight line |
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|---|---|
| CN117968536B (en) | 2024-07-19 |
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