CN213902215U

CN213902215U - Measuring tool for parallelism of sliding rail

Info

Publication number: CN213902215U
Application number: CN202120042429.2U
Authority: CN
Inventors: 林海燕; 王恩林
Original assignee: Anqing Precision Machinery Co ltd
Current assignee: Anqing Precision Machinery Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-08-06
Anticipated expiration: 2031-01-07

Abstract

The utility model relates to a slide rail depth of parallelism measuring tool relates to part precision measurement utensil technical field. A measuring tool for parallelism of a slide rail comprises a first reference plate; a second reference plate arranged in parallel with the first reference plate; the opposite side surfaces of the first reference plate and the second reference plate are positioning reference surfaces; the two ends of the cross beam are respectively connected with the first reference plate and the second reference plate; a slideway is arranged on one side of the cross beam close to the second reference plate; the sliding block is in sliding fit with the slide way; one end of the sliding block extends to the front end face of the cross beam, and the end part is provided with a marking pen; the other end of the sliding block extends to the rear end face of the cross beam, and a fastening piece is arranged at the end part. The utility model discloses directly utilize the marker pen to draw on the slide rail and prolong the orbit according to the produced standard of reference surface, the staff can directly make clear and definite the correction region and revise the range according to the difference between standard orbit and the actual part edge, has improved operating personnel's work efficiency greatly.

Description

Measuring tool for parallelism of sliding rail

Technical Field

The utility model relates to a part precision measurement utensil technical field specifically, relates to a slide rail depth of parallelism measuring tool.

Background

After machining and forming, precision measurement is required for parts with particularly outstanding dimensions in one dimension, such as slide rails, and parallelism measurement is required in addition to conventional flatness measurement. The flatness measurement is mainly directed to the upper surface thereof, and for two cooperating rails, the parallelism to be measured is mainly directed to the opposite, or parallel, sides of the two rails. Not only the parallelism between two faces of the plate structure is meant here.

Common parallelism measurement methods are: (1) and taking three vertexes of the triangles on different planes, measuring the distance between the corresponding vertexes of the two triangles by using a micrometer, and obtaining the parallelism by measuring the difference between the three distances. (2) The reference surface of the measuring instrument is attached to one side surface to be measured, the height value of the other side surface to be measured is measured by the measuring meter, and the parallelism of the two surfaces to be measured can be summarized.

The measuring method is not suitable in the process of measuring the parallelism of the slide rail at a longer distance, mainly because the measuring device mainly aims at the plate structure with the two planes to be measured at a shorter distance, the measuring precision is obviously influenced along with the increase of the distance between the two planes to be measured, and the manufacturing cost is also improved along with the increase of the size of the device.

More importantly, the measurement result can only be used as a conclusive guide for whether to perform higher-precision correction, and cannot provide a direct basis for the next high-precision correction.

Disclosure of Invention

1. Problems to be solved

To current flatness measurement method can not directly provide the problem of reference and guide to the correction process, the technical scheme of the utility model adopt the mode that directly shows the error degree on spare part, directly point out follow-up processing region, richened the function of measuring utensil, improved spare part correction efficiency.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A measuring tool for parallelism of a slide rail comprises a first reference plate;

a second reference plate arranged in parallel with the first reference plate; the opposite side surfaces of the first reference plate and the second reference plate are positioning reference surfaces;

the two ends of the cross beam are respectively connected with the first reference plate and the second reference plate; a slideway is arranged on one side of the cross beam close to the second reference plate;

the sliding block is in sliding fit with the slide way; one end of the sliding block extends to the front end face of the cross beam, and the end part is provided with a marking pen; the other end of the sliding block extends to the rear end face of the cross beam, and a fastening piece is arranged at the end part.

Preferably, the slideway is a strip-shaped hole which is horizontally arranged;

the sliding block is matched in the slideway in a sliding penetrating way, and the front end of the sliding block is provided with a first through hole; the marking pen is tightly inserted into the first through hole;

a threaded rod is arranged at the other end of the sliding block, and a nut is matched on the threaded rod; the nut can be rotatably abutted against the cross beam.

Preferably, a rubber anti-slip layer is arranged between the marking pen and the first through hole;

the slider is provided with a threaded hole, the threaded hole extends to the first through hole, and a positioning screw is matched in the threaded hole.

Preferably, the marker pen comprises a housing and a cavity formed within the housing;

the upper end surface of the shell is provided with a second through hole extending to the cavity; a push rod is inserted into the second through hole; a limiting block is arranged at one end of the push rod, which is positioned outside the cavity, and a spring is sleeved on the push rod; one end of the spring is connected with the limiting block, and the other end of the spring is connected with the upper end face of the shell;

pigment is arranged in the cavity, is positioned below the push rod and is pushed out from an outlet at the lower end of the shell by the push rod; and the inner dimension of the cavity is gradually reduced towards one end close to the outlet,

preferably, the slide way is provided with scales; and the sliding block is provided with a positioning mark matched with the scale.

Preferably, scales are arranged on one end face, close to the marking pen, of the strip-shaped hole; the sliding block is provided with a protruding part; the protruding part is provided with a tip structure, and the tip structure is a positioning mark for indicating scales.

Preferably, the pigment is a talc pen.

Preferably, at least two adjusting screws penetrate through the first reference plate horizontally, and the adjusting screws are screwed in from one side far away from the second reference plate to one side close to the second reference plate.

3. Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses directly utilize the marker pen to draw on the slide rail and prolong the orbit according to the produced standard of reference surface, the staff can directly make clear and definite the correction region and revise the range according to the difference between standard orbit and the actual part edge, has improved operating personnel's work efficiency greatly.

(2) The utility model adopts the first reference plate and the second reference plate to be respectively attached to the side surfaces of two slide rails to be measured, the length of the first reference plate and the length of the second reference plate are more in line with the shape of the slide rails relative to the reference plate of a common measuring instrument, on one hand, the processing area of the reference surface is reduced, thereby reducing the processing cost of equipment; on the other hand, the length of the reference surface is prolonged, so that the attaching length of the reference surface and the slide rail is larger, and the problem that the measuring error caused by the bending of the slide rail cannot be measured by the reference surface in a short distance is solved (the length of the reference surface is too small, the slide rail is not bent obviously and cannot be covered by the reference surface, so that the gap between the reference surface and the plane to be measured cannot be observed, and the measuring error is increased).

(3) The utility model discloses a set up the push rod on the marker pen, utilize the spring to produce on the push rod and last thrust, release the talcum pen in the marker pen, realize the continuous feed of marking off in-process talcum pen. Moreover, the inner diameter of the lower part of the cavity is gradually narrowed, which is beneficial to preventing the talc pen from completely sliding out of the cavity (the friction force between the talc pen and the marking pen shell is small).

Drawings

FIG. 1 is a perspective view of an embodiment;

FIG. 2 is an enlarged view of A in FIG. 1;

FIG. 3 is a front view of the embodiment;

FIG. 4 is a top view of the embodiment;

FIG. 5 is a perspective view of a marker pen in an embodiment;

FIG. 6 is a top view of the marker pen of the embodiment

Fig. 7 is a cross-sectional view of the marker pen of fig. 6 taken along line B-B.

In the figure:

1. a first reference plate; 101. an adjusting screw;

2. a second reference plate;

3. a push rod; 301. a slideway; 302. calibration;

4. a slider; 401. a first through hole; 402. a protrusion; 403. a threaded rod; 404. a nut;

5. a marking pen; 501. a housing; 502. a push rod; 503. a limiting block; 504. a spring; 505. a second through hole;

6. a pigment.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, and the utility model is further explained below.

As shown in fig. 1 to 7, a slide rail parallelism measuring tool includes:

a first reference plate 1, and a second reference plate 2 disposed in parallel with the first reference plate 1; the opposite side surfaces of the first reference plate 1 and the second reference plate 2 are both positioning reference surfaces, and when the positioning reference plate is used, the two reference surfaces are respectively attached to the two outer side surfaces of the slide rail.

And the two ends of the cross beam 3 are fixedly connected with the first reference plate 1 and the second reference plate 2 respectively. One side of the beam 3 close to the second reference plate 2 is provided with a slide way 301, the slide way 301 is specifically formed by a horizontal strip-shaped hole, and the slide way 301 is in sliding fit with the slide block 4.

One end of the sliding block 4 extends to the front end face of the cross beam 3 (the front side is the side of the operation personnel corresponding to the equipment), the end part is provided with a first through hole 401 which is vertically arranged, and a marking pen 5 penetrates through the first through hole 401. In order to ensure the tight fit between the marker pen and the first through hole 401, in this embodiment, an anti-slip pad is attached to the inner side surface of the first through hole 401, a horizontal threaded hole is formed in the slider 4, the threaded hole extends to the first through hole 401, a positioning screw is matched in the threaded hole, and the inner end of the positioning screw abuts against the marker pen 5 to further improve the insertion stability of the marker pen 5.

The other end of the slider 4 extends to the rear end face (relative to the front end face) of the cross beam 3, and the end part is provided with a fastener for fastening the slider 4 on the slide way 301, specifically, the fastener comprises a threaded rod 403 integrally formed on the slider 4, a nut 404 is matched on the threaded rod 403, when in use, the slider 4 is retracted backwards by rotating the nut 404, and the nut 404 finally abuts against the cross beam 3, so that the purpose of respectively clamping the slider 4 from the two ends by using the marking pen 5 and the nut 404 is realized, and the slider 4 is fixed at a specific position of the slide way 301.

The marking pen 5 comprises a shell 501 and a cavity formed in the shell 501, wherein pigment 6 such as a talc pen is arranged in the cavity. The upper end surface of the shell 501 is provided with a second through hole 505 extending to the cavity; a push rod 502 is inserted into the second through hole 505; the push rod 502 is located above the paint 6. A limiting block 503 is arranged at one end (upper end) of the push rod 502 positioned outside the cavity, a spring 504 is sleeved on the push rod 502, one end of the spring 504 is fixedly connected with the limiting block 503, the other end of the spring 504 is fixedly connected with the upper end face of the shell 501, the limiting block 503 is pulled towards one side close to the cavity by the spring 504, pushing of the push rod 502 to the pigment 6 inside the cavity is achieved, and the purpose that the pigment 6 is pushed out from an outlet at the lower end of the shell 501 by the push rod 502 is achieved. In order to avoid the pigment 6 from directly falling off from the cavity, the inner size of the lower end of the cavity is gradually reduced towards one end close to the outlet, and a pigment bundling structure is formed.

In order to facilitate the positioning of the sliding block, a scale 302 is arranged on one end face, close to the marking pen 5, of the strip-shaped hole; a protrusion 402 is arranged on the slider 4; the protruding part 402 is provided with a tip structure, and the tip structure is matched with the scale 302 to form a positioning mark indicating the scale 302. In order to facilitate the maintenance of positioning, the scales are of concave structures, and the positioning marks are inserting blocks which are in inserting fit with the concave structures.

In order to conveniently adjust the clamping distance between the first reference plate 1 and the second reference plate 2 and adapt to the measurement requirements of slide rails with different distances, at least two adjusting screws 101 horizontally penetrate through the first reference plate 1, the adjusting screws 101 are screwed in from one side far away from the second reference plate 2 to one side close to the second reference plate 2, and when the device is used, the extending length of the adjusting screws 101 from the positioning reference surface of the first reference plate 1 is adjusted by rotating the adjusting screws 101, so that the clamping force of the slide rails between the first reference plate 1 and the second reference plate 2 is adjusted, and the measurement requirements of different slide rails are adapted.

In order to avoid scratching the side surface of the slide rail by the adjusting screw 101 when the measuring device is pushed in the extending direction of the slide rail, the inner end surface of the adjusting screw 101 is set to be a smooth plane.

When the measuring device is used, after the first reference plate 1 and the second reference plate 2 are adjusted to be tightly attached to two parallel slide rails respectively, the position of the sliding block is adjusted, the lower end of the marking pen is aligned to the edge of the slide rail on the corresponding side, then the measuring device is pushed, the lower end of the marking pen is marked along the extending direction of the slide rail, and then the distance between the marking trace and the actual position of the edge of the slide rail is compared. If the distance is too large, the edge of the part of the slide rail protrudes to the side far away from the other slide rail (the reference surface), and the part of the edge of the slide rail is ground and leveled; otherwise, the part of the slide rail is concave relative to the datum line. Therefore, an operator can conveniently and directly use the reference line as a reference to clearly determine a further fine-trimming scheme of the slide rail.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather that the principles of the invention are described in the above embodiments and the description, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and these changes and modifications are intended to be included within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a slide rail depth of parallelism measuring tool which characterized in that: comprises that

A first reference plate (1);

a second reference plate (2) arranged in parallel with the first reference plate (1); the opposite side surfaces of the first datum plate (1) and the second datum plate (2) are positioning datum surfaces;

the two ends of the cross beam (3) are respectively connected with the first reference plate (1) and the second reference plate (2); a slideway (301) is arranged on one side of the cross beam (3) close to the second reference plate (2);

the sliding block (4) is in sliding fit with the sliding way (301); one end of the sliding block (4) extends to the front end face of the cross beam (3), and the end part is provided with a marking pen (5); the other end of the sliding block (4) extends to the rear end face of the cross beam (3), and the end part is provided with a fastener for fastening the sliding block (4) on the slideway (301).

2. The slide rail parallelism gauge according to claim 1, wherein:

the slide way (301) is a strip-shaped hole which is horizontally arranged;

the sliding block (4) is matched in the sliding way (301) in a sliding penetrating way, and the front end of the sliding block (4) is provided with a first through hole (401); the marking pen (5) is tightly inserted into the first through hole (401);

a threaded rod (403) is arranged at the other end of the sliding block (4), and a nut (404) is matched on the threaded rod (403); the nut (404) can be rotatably abutted against the cross beam (3).

3. The slide rail parallelism gauge according to claim 2, wherein:

a rubber anti-skid layer is arranged between the marking pen (5) and the first through hole (401);

the sliding block (4) is provided with a threaded hole, the threaded hole extends to the first through hole (401), and a positioning screw is matched in the threaded hole.

4. The slide rail parallelism gauge according to claim 1, wherein:

the marker pen (5) comprises a housing (501) and a cavity formed in the housing (501);

a second through hole (505) extending to the cavity is formed in the upper end face of the shell (501); a push rod (502) is inserted into the second through hole (505); a limiting block (503) is arranged at one end of the push rod (502) positioned outside the cavity, and a spring (504) is sleeved on the push rod (502); one end of the spring (504) is connected with the limiting block (503), and the other end of the spring (504) is connected with the upper end face of the shell (501);

pigment (6) is arranged in the cavity, the pigment (6) is positioned below the push rod (502), and the pigment (6) is pushed out from an outlet at the lower end of the shell (501) by the push rod (502); and the internal dimension of the cavity is gradually reduced towards one end close to the outlet.

5. The slide rail parallelism gauge according to claim 1, wherein:

scales (302) are arranged on the slide way (301); and the sliding block (4) is provided with a positioning mark matched with the scale (302).

6. The slide rail parallelism gauge according to claim 2, wherein:

scales (302) are arranged on one end face, close to the marking pen (5), of the strip-shaped hole; a protruding part (402) is arranged on the sliding block (4); the protruding part (402) is provided with a tip structure which is a positioning mark of the indication scale (302).

7. The slide rail parallelism gauge according to claim 4, wherein:

the pigment (6) is a talc pen.

8. The slide rail parallelism gauge according to any one of claims 1 to 6, wherein:

at least two adjusting screws (101) horizontally penetrate through the first reference plate (1), and the adjusting screws (101) are screwed in from one side far away from the second reference plate (2) to one side close to the second reference plate (2).