CN220445918U - Fixing piece for grating ruler, grating ruler and numerical control equipment - Google Patents
Fixing piece for grating ruler, grating ruler and numerical control equipment Download PDFInfo
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- CN220445918U CN220445918U CN202321734377.0U CN202321734377U CN220445918U CN 220445918 U CN220445918 U CN 220445918U CN 202321734377 U CN202321734377 U CN 202321734377U CN 220445918 U CN220445918 U CN 220445918U
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- grating
- side wall
- reading head
- scale
- ruler
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- 230000000670 limiting effect Effects 0.000 claims abstract description 49
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Abstract
The utility model discloses a fixing piece for a grating ruler, the grating ruler and numerical control equipment, wherein the fixing piece for the grating ruler comprises a fixing piece main body, the fixing piece main body is provided with a connecting part and a limiting part, the connecting part is used for connecting the side wall of a grating reading head, the limiting part is configured to be erected on the upper surface of a grating of the ruler, the limiting part can be in sliding fit with the upper surface of the grating of the ruler, and the limiting part is used for limiting the swinging of the grating reading head; the grating ruler comprises a scale grating and a grating reading head, and further comprises at least two fixing pieces for the grating ruler; the numerical control device comprises a grating ruler. The utility model has the advantage of solving the problem that the grating reading head swings when the numerical control machine tool shakes.
Description
Technical Field
The utility model relates to the technical field of grating ruler accessories, in particular to a fixing piece for a grating ruler, the grating ruler and numerical control equipment.
Background
The grating ruler, also called as grating ruler displacement sensor, is a work measurement feedback device utilizing the optical principle of grating, has the characteristics of large detection range, high detection precision and high response speed, and is widely applied to the field of numerical control machine tools. The grating ruler mainly comprises a scale grating and a grating reading head, and in the prior art, as disclosed in Chinese patent application No. 201720243307.3, a grating displacement sensor with a limit switch is disclosed, wherein the grating reading head is parallel to the scale grating, and moves transversely along a groove.
The following drawbacks exist in the prior art: in actual operation, the scale grating is usually fixed on a movable part of the numerical control machine, and when the numerical control machine shakes, the grating reading head swings, so that the accuracy of detection data is affected.
Disclosure of Invention
In order to overcome the technical defects, the utility model provides a fixing piece for a grating ruler, which can solve the problem that when a numerical control machine tool shakes, a grating reading head swings.
In order to solve the problems, the utility model is realized according to the following technical scheme: a fixing piece for a grating ruler comprises a fixing piece main body;
the fixing piece main body is provided with a connecting part and a limiting part;
the connecting part is used for connecting the side wall of the grating reading head;
the limiting part is configured to be erected on the upper surface of the scale grating, the limiting part can be in sliding fit with the upper surface of the scale grating, and the limiting part is used for limiting the swing of the grating reading head.
In one embodiment, the connection portion is connected to the side wall of the grating reading head by one of bolting, clamping and fixedly adhering.
In one embodiment, the connecting portion is a vertically arranged plate structure, and the connecting portion is arranged on the outer side wall of the fixing member main body.
In one embodiment, the fixing member body is provided with a reinforcing rib connecting the connecting portion and the limiting portion.
In one embodiment, a limiting block is arranged at the bottom of the limiting part, and the limiting block acts on the bottom of the grating reading head.
In one embodiment, a clamping block is arranged at the bottom of the limiting part and can be clamped with a sliding groove on the upper surface of the scale grating.
In one embodiment, the limiting part is a frame structure surrounded by side walls, and the frame structure is provided with a first side wall and a second side wall which are corresponding to each other;
the first side wall of the limiting part is connected with a screw rod, and the screw rod is configured to be screwed into the second side wall so as to adjust the distance between the first side wall and the second side wall;
the bottom of the limiting part is provided with at least two clamping blocks, one clamping block is positioned on the lower surface of the first side wall, and the other clamping block is positioned on the lower surface of the second side wall.
The utility model also provides a grating ruler, which comprises a scale grating and a grating reading head, and further comprises at least two fixing pieces for the grating ruler.
The utility model also provides a numerical control device comprising the grating ruler.
Compared with the prior art, the utility model has the beneficial effects that:
1. through connecting portion and spacing portion, make grating reading head can remove at the upper surface of scale grating, restrict the swing of grating reading head simultaneously, avoided because the wobbling phenomenon appears in grating reading head, influence the problem of measurement data accuracy.
2. The grating ruler avoids the problem that the accuracy of measured data is affected because the grating reading head swings due to the arrangement of the two fixing pieces.
3. The numerical control machine tool can also measure accurate data of parts of the numerical control machine tool when the numerical control machine tool has larger shake by arranging the grating ruler with the fixing piece.
Drawings
The utility model is described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a perspective view of a mount;
FIG. 2 is a bottom schematic view of the fixture;
FIG. 3 is a schematic illustration of the assembly of a fixture with a grating read head;
FIG. 4 is a schematic view of the structure of a scale grating ruler;
fig. 5 is a schematic view of a grating scale with a fixture.
In the figure: 1. a fixing member main body; 2. a connection part; 3. a limit part; 4. a scale grating; 5. a grating reading head; 6. a plate structure; 7. reinforcing ribs; 8. a clamping block; 9. a chute; 10. a first sidewall; 11. a second sidewall; 12. a screw; 13. and a limiting block.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
The following description of the preferred embodiments of the present utility model will be made with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation only, and are not intended to limit the utility model thereto, and the terms "upper" and "lower" etc. are used herein for convenience of description only, and are not to be construed as limitations on the technical solution, and the terms "first and second … …" are used merely for distinguishing between the names and not for representing a particular number or order.
The fixing piece for the grating ruler disclosed by the utility model comprises a fixing piece main body 1 as shown in fig. 1-5, wherein the fixing piece main body 1 is provided with a connecting part 2 and a limiting part 3, under the combined action of the connecting part 2 and the limiting part 3, when the grating ruler is applied to a numerical control machine tool with larger shake, the problem that the accuracy of measured data is affected because a grating reading head swings is avoided, in particular, the connecting part 2 is used for connecting the side wall of the grating reading head 5, the grating reading head 5 is connected to the connecting part 2, the problem that the grating reading head 5 and the fixing piece are loosened is avoided, the limiting part 3 is arranged to be erected on the upper surface of the scale grating 4, the limiting part 3 can be in sliding fit with the upper surface of the scale grating 4, and due to the limiting effect of the scale grating 4, the limiting part 3 can only move along the opening direction of a chute 9 of the scale grating 4, and the phenomenon that the swinging of the grating reading head 5 cannot be caused is prevented, so that the limiting part 3 has the effect of limiting the swinging of the grating reading head 5.
In some embodiments, the connection portion 2 is connected to the side wall of the grating reading head 5 by one of the connection modes of bolting, clamping and fixedly adhering, and the problem that the fixing piece and the grating reading head 5 are loosened can be prevented by any one of the connection modes.
In specific embodiments, the connecting portion 2 is a vertically arranged plate body structure 6, and the connecting portion 2 is arranged on the outer side wall of the fixing member main body 1, so that the connecting portion 2 can be attached to the side wall of the grating reading head 5 more, and connection of the connecting portion 2 and the grating reading head 5 is facilitated.
In specific embodiments, the fixing member main body 1 is provided with the reinforcing ribs 7, and the reinforcing ribs 7 are connected with the limiting part 3 and the connecting part 2, so that the firmness of the whole fixing member can be enhanced, and the swing of the grating reading head 5 can be better limited.
In specific embodiments, the bottom of the limiting part 3 is provided with a limiting block 13, the limiting block 13 acts on the bottom of the grating reading head 5, specifically, the bottom of the grating reading head 5 is provided with a structure (not shown in the figure) for connecting wires, the structure for connecting wires is located in the chute 9 of the scale grating 4, the limiting block 13 is in contact with the structure, thereby limiting the structure for connecting wires to swing in the chute 9, the bottom of the limiting part 3 is provided with a clamping block 8, the clamping block 8 can be clamped with the chute 9 on the upper surface of the scale grating 4, by means of the clamping block 8, the limiting part 3 can only move along the direction of the chute 9 of the scale grating 4, and the phenomenon of swinging can not occur, so that the problem of influencing the accuracy of measured data due to the phenomenon of swinging of the grating reading head 5 is avoided.
In some embodiments, the limiting portion 3 is a frame structure with surrounding side walls, the frame structure has a first side wall 10 and a second side wall 11 corresponding to each other, the screw 12 is configured to screw into the second side wall 11 to adjust the distance between the first side wall 10 and the second side wall 11, at this time, the distance between the first side wall 10 and the second side wall 11 can be changed by adjusting the screw 12, so that the fixing piece can be used for scale gratings 4 with different specifications, at least two clamping blocks 8 are arranged at the bottom of the limiting portion 3, one clamping block 8 is located on the lower surface of the first side wall 10, the other clamping block 8 is located on the lower surface of the second side wall 11, and the phenomenon that the limiting portion 3 swings can be prevented more effectively by arranging the two clamping blocks 8.
The utility model also provides a grating ruler, which comprises a ruler grating 4, a grating reading head 5 and at least two fixing pieces for the grating ruler, as shown in figures 3-5, and the problem that the accuracy of measured data is affected because the grating reading head 5 swings is avoided by arranging the two fixing pieces.
The utility model also provides a numerical control device, as shown in fig. 5, which comprises a grating ruler with a fixing piece, and the main body of the numerical control device belongs to the prior art, so that the accurate data of the parts of the numerical control machine tool can be measured when the numerical control machine tool has larger shake by arranging the grating ruler with the fixing piece, which is not described in detail herein.
The application principle of the utility model is as follows: according to the width of the chute 9 of the scale grating 4, the distance between the first side wall 10 and the second side wall 11 is adjusted through the adjusting screw 12, so that the fixing piece is matched with the scale grating 4, the two clamping blocks 8 are clamped with the chute 9 on the upper surface of the scale grating 4, the limiting part 3 can only move along the direction of the chute 9 of the scale grating 4, the swinging phenomenon can not occur, the connecting part 2 is connected with the side wall of the grating reading head 5 through one of the connection modes of bolt connection, clamping connection and fixed bonding, the problem that the fixing piece and the grating reading head 5 are loosened is prevented, under the combined action of the connecting part 2 and the limiting part 3, when the grating scale is applied to a numerical control machine tool with larger shaking, the swinging phenomenon of the grating reading head 5 can be prevented, and the accuracy of measured data is further influenced.
The present utility model is not limited to the preferred embodiments, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical principles of the present utility model are within the scope of the technical proposal of the present utility model.
Claims (9)
1. A fixture for a grating ruler, characterized by comprising a fixture body (1);
the fixing piece main body (1) is provided with a connecting part (2) and a limiting part (3);
the connecting part (2) is used for connecting the side wall of the grating reading head (5);
the limiting part (3) is configured to be erected on the upper surface of the scale grating (4), the limiting part (3) can be in sliding fit with the upper surface of the scale grating (4), and the limiting part (3) is used for limiting the swing of the grating reading head (5).
2. A fixing for a grating scale according to claim 1, characterized in that the connection (2) is connected to the side wall of the grating reading head (5) by one of bolting, clamping and fixedly adhering.
3. The fixing part for the grating ruler according to claim 2, wherein the connecting part (2) is a vertically arranged plate body structure (6), and the connecting part (2) is arranged on the outer side wall of the fixing part main body (1).
4. A fixture for a grating scale according to claim 3, characterized in that the fixture body (1) is provided with a reinforcing rib (7), the reinforcing rib (7) connecting the connecting portion (2) and the limiting portion (3).
5. A fixture for a grating ruler according to claim 1, characterized in that the bottom of the limit part (3) is provided with a limit block (13), which limit block (13) acts on the bottom of the grating reading head (5).
6. The fixing part for the grating ruler according to claim 5, wherein a clamping block (8) is arranged at the bottom of the limiting part (3), and the clamping block (8) can be clamped with a sliding groove (9) on the upper surface of the scale grating (4).
7. A fixing for a grating scale according to claim 6, characterized in that the limit part (3) is a frame structure surrounded by side walls, the frame structure having a first side wall (10) and a second side wall (11) corresponding thereto;
the first side wall (10) of the limiting part (3) is connected with a screw rod (12), and the screw rod (12) is configured to be screwed into the second side wall (11) so as to adjust the distance between the first side wall (10) and the second side wall (11);
the bottom of the limiting part (3) is provided with at least two clamping blocks (8), wherein one clamping block (8) is positioned on the lower surface of the first side wall (10), and the other clamping block (8) is positioned on the lower surface of the second side wall (11).
8. A grating scale comprising a scale grating (4) and a grating reading head (5), and further comprising at least two fixing members for a grating scale according to any one of claims 1-7.
9. A numerical control apparatus comprising the grating scale of claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321734377.0U CN220445918U (en) | 2023-07-04 | 2023-07-04 | Fixing piece for grating ruler, grating ruler and numerical control equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321734377.0U CN220445918U (en) | 2023-07-04 | 2023-07-04 | Fixing piece for grating ruler, grating ruler and numerical control equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220445918U true CN220445918U (en) | 2024-02-06 |
Family
ID=89739536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321734377.0U Active CN220445918U (en) | 2023-07-04 | 2023-07-04 | Fixing piece for grating ruler, grating ruler and numerical control equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220445918U (en) |
-
2023
- 2023-07-04 CN CN202321734377.0U patent/CN220445918U/en active Active
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