CN214333675U

CN214333675U - Grating ruler position reading device

Info

Publication number: CN214333675U
Application number: CN202120673346.3U
Authority: CN
Inventors: 张学勤; 陈春雷; 刘纪堂
Original assignee: Taicang Tianhe Electromechanical Co ltd
Current assignee: Taicang Tianhe Electromechanical Co ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-10-01
Anticipated expiration: 2031-04-01

Abstract

The utility model relates to a grating ruler's technical field especially relates to a grating ruler position reading device, aims at solving prior art because the reading head is after removing fixed position, and the stability of reading head self is relatively poor, leads to the reading head at the technical problem that the accuracy descends, and its technical scheme is: the reading assembly comprises a scale grating and a reading assembly, the reading assembly comprises an installation block and a reading head, the reading head is fixedly installed at the top of the reading head, and the reading assembly further comprises a stabilizing piece for improving the stability of the installation block and the scale grating; the firm piece is including setting up the slider on the installation piece lateral wall, firm piece still includes the firm pole of fixing the processing to the installation piece, and this application has the stability that improves grating chi in the reading process for the technological effect that the reading precision improves.

Description

Grating ruler position reading device

Technical Field

The application relates to the technical field of grating scales, in particular to a grating scale position reading device.

Background

The grating ruler is also called as a grating ruler displacement sensor, is a measurement feedback device working by utilizing the optical principle of a grating, is often applied to a closed loop servo system of a numerical control machine tool, and can be used for detecting linear displacement or angular displacement.

The grating ruler is widely applied to the mechanical and aviation industries, the precision requirement on parts in the mechanical and aviation industries is very high, so that the precision requirement on the grating ruler is improved, the grating ruler generally comprises a scale grating and a reading head, the reading head is arranged at the top of the scale grating in a sliding mode, and the movable reading head is measured by using a photoelectric sensor.

With respect to the related art in the above, the inventors consider that there are drawbacks: the reading head needs to move on the top of the scale grating to achieve the purpose of reading, but the stability of the reading head is poor after the reading head moves to a fixed position, so that the accuracy of the reading head is reduced.

SUMMERY OF THE UTILITY MODEL

In order to improve grating chi stability at the reading in-process for the precision of reading improves, this application provides a grating chi position reading device.

The application provides a grating ruler position reading device adopts following technical scheme:

a grating ruler position reading device comprises a scale grating and a reading assembly, wherein the reading assembly comprises an installation block and a reading head, the reading head is fixedly installed on the top of the reading head, and the reading assembly further comprises a fixing piece for improving the stability of the installation block and the scale grating;

the stabilizing piece comprises a sliding block arranged on the side wall of the mounting block and a stabilizing rod for fixing the mounting block.

By adopting the technical scheme, the reading assembly is arranged on the side wall of the scale grating in a sliding manner, and the fixing piece on the side wall of the mounting block is connected with the scale grating, so that after the mounting block moves to a fixed position, the stability of the mounting block is improved by using the fixing piece, and the influence of the shaking of the mounting block on the reading accuracy of the reading head is reduced, therefore, the stability of the mounting block is improved by using the fixing piece, and the reading accuracy is improved; be provided with the slider on the lateral wall that will install the piece, utilize the installation piece that the slider improves stability at the carriage release lever in-process, finally improve the stability after the installation piece stops removing through the firm pole of wearing to establish, reduce the reading influence to the reading head.

Optionally, a sliding groove for sliding the sliding block is arranged on the side wall of the scale grating, and the cross section of the sliding groove is arranged in a T shape;

be equipped with the firm hole that a plurality of confessions firm pole passed in the installation piece, firm pole is including wearing to establish the sharp pole in firm hole, still including wearing to establish the locating piece in the spout, the locating piece corresponds the spout setting.

Through adopting above-mentioned technical scheme, set up the locating piece into the T type, when the locating piece of T type is in the level and places, the slider of being convenient for removes in the spout, removes fixed position back at the installation piece, rotates the locating piece and makes the locating piece be in vertical direction setting for the installation piece is improved with the stability of scale grating, and then makes the accuracy nature of reading improve.

Optionally, the stabilizing rod further comprises a knob for driving the stabilizing rod to rotate, the knob is fixedly arranged at one end of the length of the linear rod, and the knob is connected with the linear rod through threads.

Through adopting above-mentioned technical scheme, will stabilize the pole and set up to the triplex, wherein the locating piece forms with sharp pole integrated into one piece, rotates the knob and makes the angle of locating piece change, and then makes the stability of installation piece and scale grating obtain improving.

Optionally, a ball is arranged at one end, far away from the linear rod, of the positioning block, the ball is arranged at the bottom of the positioning block, and the upper bottom wall of the sliding groove is arc-shaped.

Through adopting above-mentioned technical scheme, utilize ball and spout bottom to slide, improve the smooth nature and the stability of slider at the removal in-process, and then reduce and rock the influence to the reading.

Optionally, a positioning ball and a positioning spring are further arranged in the positioning block, a positioning hole for placing the positioning spring is formed in the positioning block, and the positioning ball is abutted against the end face of the positioning spring.

Through adopting above-mentioned technical scheme, the locating piece is rotating the back, and positioning spring will promote the location ball and remove to the recess for location ball card reaches the fixed effect of installation piece on the inner wall of spout under positioning spring's promotion.

Optionally, the inner wall of the chute is provided with a magnetic strip block corresponding to the positioning ball.

Through adopting above-mentioned technical scheme, after the vertical reverse setting of locating piece, the magnetism strip piece will attract the location ball, and then reaches the effect that improves the locating piece stability.

Optionally, the top of the scale grating is provided with a reading groove for sliding a reading head, and the reading head is provided with an auxiliary sliding plate.

Through adopting above-mentioned technical scheme, utilize the setting of supplementary slide, improve the stability of reading head under removal and fixed state.

Optionally, the bottom of the auxiliary sliding plate is provided with a pulley, and the scale grating is provided with a groove.

Through adopting above-mentioned technical scheme, utilize the pulley to roll at the top of scale grating, further improve the stability of reading head in the removal process, and then improve the accuracy nature that the reading head measured.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the reading assembly is arranged on the side wall of the scale grating in a sliding mode, the connecting stability of the mounting block and the scale grating is improved by the aid of the fixing piece, accuracy of a reading head in a reading process is improved, the side wall of the mounting block is provided with the sliding block, the stability of the mounting block in a moving rod process is improved by the aid of the sliding block, and finally the stability of the mounting block after the mounting block stops moving is improved by the aid of the fixing rod penetrating through the fixing piece, so that the measuring accuracy of the grating ruler is improved;

2. when the locating piece was in the level and places, the slider of being convenient for removed in the spout, removed fixed position at the installation piece after, rotated the locating piece and made the locating piece be in vertical direction setting for the installation piece is lifted with the stability of scale grating, and then makes the accuracy nature of reading improve.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a cross-sectional view of the overall structure of an embodiment of the present application;

fig. 3 is an exploded view of the overall structure of an embodiment of the present application.

Description of reference numerals: 1. a scale grating; 2. a reading assembly; 3. mounting blocks; 4. a reading head; 5. a stabilizing member; 6. a slider; 7. a stabilizing rod; 8. a chute; 9. a stabilizing hole; 10. a linear rod; 11. positioning blocks; 12. a knob; 13. a ball bearing; 14. positioning the ball; 15. a positioning spring; 16. positioning holes; 17. a magnetic strip; 18. a reading groove; 19. an auxiliary sliding plate; 20. a pulley.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Example (b):

the embodiment of the application discloses grating ruler position reading device. Referring to fig. 1, the grating ruler position reading device includes a scale grating 1 and a reading component 2, the reading component 2 is disposed on a side wall of the scale grating 1, and a reading groove 18 for the reading component 2 to slide is disposed on the scale grating 1. The reading assembly 2 comprises a mounting block 3 arranged on the side wall of the scale grating 1 and a reading head 4 fixedly arranged on the top of the mounting block 3, and the top of the reading head 4 is arranged in the reading groove 18.

Referring to fig. 2 and 3, be equipped with the steadiness piece 5 of being connected with scale grating 1 on the lateral wall of installation piece 3, utilize steadiness piece 5 to improve the stability that installation piece 3 slided on scale grating 1 lateral wall to and improve the stability of installation piece 3 after scale grating 1 lateral wall removes, and then make reading head 4 stability improvement in reading process. The steady piece 5 is equipped with the spout 8 that supplies slider 6 to slide including setting up slider 6 on the 3 lateral walls of installation piece on the lateral wall of scale grating 1.

The stabilizing piece 5 further comprises a stabilizing rod 7 arranged in the mounting block 3 in a penetrating mode, and a stabilizing hole 9 for the stabilizing rod 7 to penetrate is formed in the mounting block 3. The stabilizing rod 7 comprises a straight rod 10 arranged in the stabilizing hole 9 and a positioning block 11 arranged in the sliding groove 8, the cross section of the sliding groove 8 is T-shaped, and the positioning block 11 is arranged corresponding to the cross section of the sliding groove 8. The stabilizing rod 7 further comprises a knob 12 used for driving the stabilizing rod 7 to rotate, the knob 12 is connected with the linear rod 10 through threads, the mounting block 3 is moved, the knob 12 is rotated to enable the positioning block 11 to rotate 90 degrees, the horizontal positioning block 11 is rotated to the vertical direction, and therefore the stability of the mounting block 3 and the scale grating 1 is improved.

Referring to fig. 2 and 3, the side wall of the positioning block 11 is provided with a ball 13, and the moving fluency of the mounting block 3 is improved by the sliding arrangement of the rotating ball 13 and the bottom wall of the chute 8. Be equipped with location ball 14 and positioning spring 15 in the locating piece 11, be equipped with the locating hole 16 that supplies positioning spring 15 to place on the lateral wall of locating piece 11, location ball 14 butt is on positioning spring 15's terminal surface, and knob 12 drives locating piece 11 and rotates the back, and location ball 14 and the butt of 8 inner walls of spout are equipped with the arc wall that supplies location ball 14 to slide on the inner wall of spout 8 simultaneously. Still be equipped with in the spout 8 and carry out the magnetism stick 17 that attracts effect to location ball 14, magnetism stick 17 sets up to magnet, utilizes magnetism stick 17 to attract location ball 14, further improves the stability of installation piece 3 on scale grating 1 lateral wall to this accuracy nature that improves the reading.

Referring to fig. 2 and 3, an auxiliary sliding plate 19 is arranged on the side wall of the reading head 4, a pulley 20 is arranged at the bottom of the auxiliary sliding plate, and the auxiliary sliding plate 19 is arranged on the side wall of the reading head 4, so that the stability of the reading head 4 in the moving process is improved, and the accuracy of the grating ruler measurement is further improved.

The implementation principle of the grating ruler position reading device in the embodiment of the application is as follows: move installation piece 3 along the length direction of scale grating 1, perhaps will install piece 3 fixed for scale grating 1 moves along self length direction, and after scale grating 1 stopped moving, rotate knob 12 and make locating piece 11 rotate 90 degrees, make the locating piece 11 of level placing become vertical placing. And the positioning ball 14 on the positioning block 11 will attract the magnetic strip 17, thereby improving the stability of the positioning block 11.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A grating ruler position reading device is characterized in that: the scale grating reading device comprises a scale grating (1) and a reading assembly (2), wherein the reading assembly (2) comprises an installation block (3) and a reading head (4), the reading head (4) is fixedly installed at the top of the installation block, and the reading assembly (2) further comprises a fixing piece (5) for improving the stability of the installation block (3) and the scale grating (1);

the fixing piece (5) comprises a sliding block (6) arranged on the side wall of the mounting block (3), and the fixing piece (5) further comprises a fixing rod (7) for fixing the mounting block (3).

2. A grating scale position reading apparatus according to claim 1, wherein: a sliding groove (8) for sliding the sliding block (6) is formed in the side wall of the scale grating (1), and the cross section of the sliding groove (8) is arranged in a T shape;

the mounting block (3) is internally provided with a plurality of stabilizing holes (9) for the stabilizing rods (7) to pass through, each stabilizing rod (7) comprises a linear rod (10) penetrating through the corresponding stabilizing hole (9) and a positioning block (11) penetrating through the corresponding sliding groove (8), and the positioning block (11) is arranged corresponding to the corresponding sliding groove (8).

3. A grating scale position reading apparatus according to claim 2, wherein: the stabilizing rod (7) further comprises a knob (12) used for driving the stabilizing rod (7) to rotate, the knob (12) is fixedly arranged at one end of the length of the linear rod (10), and the knob (12) is connected with the linear rod (10) through threads.

4. A grating scale position reading apparatus according to claim 2, wherein: the positioning block (11) is provided with a ball (13) at one end far away from the linear rod (10), the ball (13) is arranged at the bottom of the positioning block (11), and the upper bottom wall of the sliding groove (8) is arc-shaped.

5. The device for reading the position of the grating ruler according to claim 4, wherein: still be equipped with location ball (14) and positioning spring (15) in locating piece (11), be equipped with on locating piece (11) and supply positioning spring (15) to place locating hole (16), location ball (14) butt is on the terminal surface of positioning spring (15).

6. The device for reading the position of the grating ruler according to claim 5, wherein: and the inner wall of the sliding groove (8) is provided with a magnetic strip block (17) corresponding to the positioning ball (14).

7. A grating scale position reading apparatus according to claim 1, wherein: the top of scale grating (1) is equipped with reading groove (18) that supplies reading head (4) to slide, be equipped with supplementary slide plate (19) on reading head (4).

8. A grating scale position reading apparatus according to claim 7, wherein: the bottom of the auxiliary sliding plate is provided with a pulley (20), and the scale grating (1) is provided with a groove.