CN219265235U

CN219265235U - Grating ruler reading head sliding connection structure

Info

Publication number: CN219265235U
Application number: CN202320201958.1U
Authority: CN
Inventors: 王国
Original assignee: Shanghai Gubai Electronic Technology Co ltd
Current assignee: Shanghai Gubai Electronic Technology Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-06-27
Anticipated expiration: 2033-02-10

Abstract

The utility model discloses a sliding connection structure of a grating ruler reading head, which comprises the following components: the reading head is used for positioning the reading; the sliding plate is connected with the reading head and used for bearing the reading head; the limiting mechanism is connected with the fixed plate A and used for limiting the installation of the reading head, and comprises a push plate A, an inserting rod, a pushing assembly and an elastic piece B, wherein the push plate A is connected with the inserting rod through the pushing assembly, the push plate A is in sliding fit with a mounting groove A formed in the fixed plate A, the inserting rod is in sliding fit with a mounting groove B formed in the fixed plate A, and the elastic piece B is positioned in the mounting groove A and fixedly connected with the fixed plate A and the push plate A and is in sliding fit with a limiting groove formed in the reading head; the utility model can quickly and accurately mount the reading head on the fixed plate A.

Description

Grating ruler reading head sliding connection structure

Technical Field

The utility model belongs to the technical field of grating scales, and particularly relates to a sliding connection structure of a grating scale reading head.

Background

The grating scale reading is a measurement feedback device that works with the optical principles of the grating. The grating ruler 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 signal output by the measuring device is digital pulse, and has the characteristics of large detection range, high detection precision and high response speed. It is common in machine tools for machining to detect the coordinates of the tool and workpiece to observe and track the feed error, which serves to compensate for the tool's motion error.

The grating ruler reading head is generally connected to the fixing plate in a bolt connection mode to be matched with the grating ruler for use, and the problem that the positioning of the reading head is inaccurate due to the fact that the sliding phenomenon can occur when the grating ruler reading head is used for a long time due to the fact that the bolt connection is adopted.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a sliding connection structure of a grating ruler reading head, which solves the problems.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: a sliding connection structure for a grating ruler reading head, comprising:

the reading head is used for positioning the reading;

the sliding plate is connected with the reading head and used for bearing the reading head; and

the limiting mechanism is connected with the fixed plate A and used for limiting the installation of the reading head, the limiting mechanism comprises a push plate A, an inserting rod, a pushing assembly and an elastic piece B, the push plate A is connected with the inserting rod through the pushing assembly, the push plate A is in sliding fit with a mounting groove A formed in the fixed plate A, the inserting rod is in sliding fit with a mounting groove B formed in the fixed plate A, the elastic piece B is located in the mounting groove A and fixedly connected with the fixed plate A and the push plate A, and the inserting rod is in sliding fit with a limiting groove formed in the reading head.

Based on the technical scheme, the utility model also provides the following optional technical schemes:

the technical scheme is as follows: the fixed plate A is connected with a fixed plate B matched with the fixed plate A through a sliding assembly.

The technical scheme is as follows: the pushing assembly comprises a pushing plate B and an elastic piece A, the pushing plate B is in sliding fit with the mounting groove B, the elastic piece A is arranged in the mounting groove B and is fixedly connected with the pushing plate B and the fixing plate A, the pushing plate B is fixedly connected with the inserting rod, and the contact surface between the pushing plate B and the pushing plate A is an inclined surface.

The technical scheme is as follows: the sliding assembly comprises a rail and a sliding block, the sliding block is in sliding fit with the rail, the rail is detachably connected with the fixed plate B through the bolt assembly B, and the sliding block is detachably connected with the fixed plate A through the bolt assembly C.

The technical scheme is as follows: the fixed plate B is provided with a grating ruler matched with the reading head, and the grating ruler is embedded in the fixed plate B and is connected with the fixed plate B in a detachable mode.

The technical scheme is as follows: inclined surfaces are formed on two side surfaces of the push plate A.

Advantageous effects

The utility model provides a sliding connection structure of a grating ruler reading head, which has the following beneficial effects compared with the prior art:

1. related technicians can make push pedal A stretch out mounting groove A and with the reading head card on fixed plate A through pulling push pedal A, unclamp push pedal A this moment, push pedal A contracts into mounting groove A under the pulling of elastic component B, push pedal A promotes push pedal B extrusion elastic component A and carries out linear motion along mounting groove B simultaneously, push pedal B is through promoting the inserted bar and slide along mounting groove B and stretch out the reading head in and the mode of card income in the reading head this moment, realize carrying out the technological effect of quick limit installation to the reading head.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present utility model.

Fig. 2 is a schematic structural view of the limiting mechanism of the present utility model.

Fig. 3 is a schematic structural view of the sliding assembly of the present utility model.

Reference numerals annotate: 1. a reading head; 1. a fixing plate A; 3. a limiting mechanism; 301. a push plate A; 302. a rod; 303. a push plate B; 304. an elastic member A; 305. a limiting plate; 306. an elastic member B; 4. a fixing plate B; 5. a grating ruler; 6. a sliding assembly; 601. a track; 602. a sliding block.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Specific implementations of the utility model are described in detail below in connection with specific embodiments.

Referring to fig. 1 to 3, a sliding connection structure of a grating ruler reading head according to an embodiment of the present utility model includes:

a reading head 1 for positioning the reading;

the sliding plate is connected with the reading head 1 and is used for bearing the reading head 1; and

the limiting mechanism 3 is connected with the fixed plate A1 and used for limiting the installation of the reading head 1, the limiting mechanism 3 comprises a push plate A301, an inserting rod 302, a pushing assembly and an elastic piece B306, the push plate A301 is connected with the inserting rod 302 through the pushing assembly, the push plate A301 is in sliding fit with an installation groove A (not shown in the figure) formed in the fixed plate A1, the inserting rod 302 is in sliding fit with an installation groove B (not shown in the figure) formed in the fixed plate A1, and the elastic piece B306 is located in the installation groove A and fixedly connected with the fixed plate A1 and the push plate A301 and is in sliding fit with the limiting groove (not shown in the figure) formed in the reading head 1.

Specifically, the pushing assembly comprises a push plate B303 and an elastic piece A304, the push plate B303 is in sliding fit with the mounting groove B, the elastic piece A304 is arranged in the mounting groove B and is fixedly connected with the push plate B303 and the fixing plate A1, the push plate B303 is fixedly connected with the inserting rod 302, and the contact surface of the push plate B303 and the push plate A301 is an inclined surface. When the push plate A301 slides linearly along the fixed plate A1, the push plate B303 is pushed to extrude the elastic piece A304 to drive the inserting rod 302 to slide along the mounting groove B, so that the inserting rod 302 is inserted into the limiting groove, and the technical effect of limiting the reading head 1 by pushing the inserting rod 302 to be inserted into the reading head 1 is achieved.

Preferably, the elastic member a304 is any one of a spring, a compression spring, and an elastic steel plate.

Preferably, the elastic member B306 is any one of a spring, a compression spring, and an elastic steel plate.

Specifically, inclined surfaces are formed on two side surfaces of the push plate A301. The purpose of this arrangement is to facilitate the sliding engagement of the push plate B303 along the mounting slot B by the relevant technician.

Specifically, a limiting plate 305 is fixedly connected to the push plate a301, and the limiting plate 305 is slidably matched with the mounting groove a. The purpose of this arrangement is to limit the push plate a301 and prevent the push plate a301 from falling off the fixed plate A2.

Preferably, the push plate a301 is detachably connected to the fixed plate A1 by a bolt assembly a (not shown). The purpose of this arrangement is to define the push plate a301 on the fixed plate A1.

In the embodiment of the utility model, a related technician pulls the push plate A301 to enable the push plate A301 to extend out of the mounting groove A and clamp the reading head 1 on the fixed plate A1, at the moment, the push plate A301 is loosened, the push plate A301 is retracted into the mounting groove A under the pulling of the elastic piece B306, meanwhile, the push plate A301 pushes the push plate B303 to squeeze the elastic piece A304 and linearly move along the mounting groove B, and at the moment, the push plate B303 slides out of the reading head 1 along the mounting groove B by pushing the inserting rod 302 and clamps the reading head 1, so that the technical effect of quick limiting and mounting of the reading head 1 is realized.

Referring to fig. 1 and 3, as an embodiment of the present utility model, the fixing plate A1 is connected to the fixing plate B4 mated with the fixing plate A1 through a sliding assembly 6, the sliding assembly 6 includes a rail 601 and a sliding block 602, the sliding block 602 is slidably mated with the rail 601, the rail 601 is detachably connected to the fixing plate B4 through a bolt assembly B (not shown), and the sliding block 602 is detachably connected to the fixing plate A1 through a bolt assembly C (not shown).

Specifically, be provided with on the fixed plate B4 with the grating chi 5 of reading head 1 cooperation use, grating chi 5 embedding sets up in the fixed plate B4 and is connected with the fixed plate B4 dismantlement.

Preferably, the grating ruler 5 is detachably connected with the fixing plate B4 through a bolt assembly D. This arrangement aims at facilitating the installation of the grating ruler 5 on the fixing plate B4 by the relevant technician, and facilitating the later disassembly and maintenance.

Preferably, the rail 601 is a cross-shaped rail. The purpose of this arrangement is to prevent the slider 602 from slipping off the track 601.

In the embodiment of the utility model, the fixed plate A1 can drive the sliding block 602 to slide along the track 601, so that the fixed plate A1 drives the reading head 1 to relatively embed the grating ruler 5 which is arranged on the fixed plate B4 and is matched with the reading head 1 for use to relatively slide, and the technical effect of utilizing the reading head 1 and the grating ruler 5 for position measurement is realized.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A sliding connection structure for a reading head of a grating ruler, comprising:

the reading head is used for positioning the reading;

2. The sliding connection structure of the grating scale reading head according to claim 1, wherein the fixing plate a is connected with the fixing plate B matched with the fixing plate a through a sliding assembly.

3. The sliding connection structure of the grating scale reading head according to claim 1, wherein the pushing assembly comprises a pushing plate B and an elastic piece a, the pushing plate B is in sliding fit with the mounting groove B, the elastic piece a is arranged in the mounting groove B and is fixedly connected with the pushing plate B and the fixing plate a, the pushing plate B is fixedly connected with the inserting rod, and the contact surface of the pushing plate B and the pushing plate a is an inclined surface.

4. The sliding connection structure of the grating scale reading head according to claim 2, wherein the sliding assembly comprises a rail and a sliding block, the sliding block is in sliding fit with the rail, the rail is detachably connected with the fixing plate B through a bolt assembly B, and the sliding block is detachably connected with the fixing plate a through a bolt assembly C.

5. The sliding connection structure of the grating ruler reading head according to claim 2, wherein the grating ruler matched with the reading head is arranged on the fixing plate B, and the grating ruler is embedded in the fixing plate B and is detachably connected with the fixing plate B.

6. The sliding connection structure of the grating ruler reading head according to any one of claims 1 to 5, wherein inclined surfaces are formed on two side surfaces of the push plate a.