CN219345265U

CN219345265U - Double-panel adjusting mechanism for dovetail guide rail

Info

Publication number: CN219345265U
Application number: CN202320922390.2U
Authority: CN
Inventors: 李会生; 田建东; 周文斌; 罗高峰
Original assignee: Shaanxi Ruibosi Intelligent Equipment Co ltd
Current assignee: Shaanxi Ruibosi Intelligent Equipment Co ltd
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2023-07-14
Anticipated expiration: 2033-04-23

Abstract

The utility model provides a two panel guiding mechanism for dovetail guide belongs to dovetail guide technical field. The dovetail sliding plate comprises a dovetail sliding plate and a dovetail guide rail, wherein a groove is formed in the dovetail sliding plate; a main panel and a match grinding panel are arranged in the left side of the groove; the right side of the main inlaid strip is provided with a half dovetail inclined plane matched with the left side of the dovetail guide rail; the upper plane of the match grinding panel is changed in height dimension by grinding and is abutted against the upper plane in the groove by the inclined plane structure abutted against the left inner side surface of the groove so as to press the main panel to move right to adjust the gap between the main panel and the dovetail guide rail. The utility model increases a match grinding inlaid strip, and makes the guide rail easily obtain the match clearance of mu m level in the occasion requiring high precision by surface contact and grinding match.

Description

Double-panel adjusting mechanism for dovetail guide rail

Technical Field

The utility model belongs to the technical field of dovetail guide rails, and particularly relates to a double-panel adjusting mechanism for a dovetail guide rail.

Background

The hard rail has good contact rigidity and compact structure, and can not be replaced on a high-end machine tool all the time. The dovetail hard rail in the hard guide rail has the advantages of convenient gap adjustment, compact structure, strong anti-subversion moment and wide application in various devices. However, dovetail rails also have some congenital drawbacks: the double-dovetail side machining process is difficult, long screws are arranged at two ends of the gap-adjusting panel to adjust the gap-adjusting panel, and the adjustable dovetail groove guide rail structure disclosed in patent 201210463164.9 occupies an end face space, so that the guide rail is difficult to protect and install, and the dovetail guide rail with better precision is small in rigidity, and is large in unit adjustment amount and difficult to operate due to incapability of fine adjustment. Meanwhile, the inclination of the inlaid strip is generally 1:50, so that the inlaid strip is generally over 100mm long and is wasted in order to meet the machining precision requirement of the dovetail bus rail. There is therefore a need for improvements.

Disclosure of Invention

The utility model solves the technical problems that: the utility model provides a double-panel adjusting mechanism for a dovetail guide rail, which is characterized in that a matched grinding panel is added when a dovetail sliding plate and the dovetail guide rail are installed, and the guide rail can easily obtain a mu m-level fit clearance in the occasion requiring high precision through surface contact and grinding fit.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the double-panel adjusting mechanism for the dovetail guide rail comprises a dovetail slide plate and the dovetail guide rail, wherein a groove is formed in the dovetail slide plate, and the right inner side surface of the groove is a half dovetail groove surface matched with the right side of the dovetail guide rail;

a main panel and a match grinding panel are arranged in the left side of the groove;

the right side of the main panel is provided with a half dovetail inclined plane matched with the left side of the dovetail guide rail, and the main panel is connected with the dovetail slide plate through a gap adjustable structure;

the upper plane of the match grinding panel is changed in height dimension by grinding and is abutted against the upper plane in the groove to press the main panel to move right to adjust the gap between the main panel and the dovetail guide rail by the inclined plane structure abutted against the left inner side of the groove; the match grinding panel is fixedly connected with the dovetail slide plate after being ground and matched in place.

Further limiting the scheme, the left side face of the match grinding panel is an outer side inclined face, the left inner side face of the groove is an inner side inclined face, and the outer side inclined face of the match grinding panel is matched with the inner side inclined face of the groove to form an inclined face structure.

Further limiting the above aspects, the degree of incline of the outside incline and the inside incline is below 3 °.

Further limiting the scheme, when the upper plane of the match grinding band is ground by 0.2mm, the gap between the main band and the dovetail guide rail is reduced by 0.017mm, and according to the relation, the matching gap between the main band and the dovetail guide rail is reduced by 0.0009mm because the feed scale value of the grinding machine is 0.01mm, namely the upper plane of the match grinding band is ground by 0.01mm, so that the matching gap control in the mu m level is realized.

Further limiting the scheme, the main panel is fixedly connected with the dovetail slide plate through a main panel connecting screw, an adjusting connecting hole which is in clearance fit with the main panel connecting screw is formed in the dovetail slide plate, and the clearance fit between the main panel connecting screw and the adjusting connecting hole enables the main panel to generate left and right movement so as to adjust the clearance between the main panel and the dovetail guide rail; the main panel is provided with a threaded hole screwed with a main panel connecting screw.

Further limiting the scheme, the matched grinding panel is fixedly connected with the dovetail slide plate through the matched grinding panel connecting screw after being matched in place, the matched grinding panel is provided with a hole matched with the matched grinding panel connecting screw, and the dovetail slide plate is provided with a threaded hole screwed with the matched grinding panel connecting screw.

Compared with the prior art, the utility model has the advantages that:

1. according to the scheme, when the dovetail slide plate and the dovetail guide rail are installed, the matched grinding panel is connected with the dovetail slide plate into a whole, the matched grinding panel is in surface contact with the dovetail slide plate and the main panel, the upper plane of the matched grinding panel is abutted against the upper plane in the groove under the action of an inclined plane structure of the matched grinding panel and the groove, so that the gap between the main panel and the dovetail guide rail is adjusted by abutting against the right movement of the main panel, and the structure is very easy to enable the dovetail guide rail to obtain a mu m-level fit gap in occasions requiring high precision, and the control precision of a machine tool is improved;

2. the processing technology and the assembly technology of each panel are simple, and the workload of manual scraping and embedding is greatly reduced because the fit clearance of the guide rail can be controlled in a mode of matching and grinding the height difference;

3. in the scheme, two inlaid strips are produced according to the length of the dovetail sliding plate, so that the materials are saved, and the cost is reduced;

4. in the scheme, the two inlaid strips are fixedly connected, and the contacts are surface contacts, so that the rigidity of the guide rail is good.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a top view of the structure of the present utility model;

FIG. 3 is a cross-sectional view taken along line A-A in FIG. 2 in accordance with the present utility model;

FIG. 4 is an enlarged schematic view of the structure of section I of FIG. 3 according to the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in this document, 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. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Referring to fig. 1-4, embodiments of the present utility model are described in detail.

Examples: the double-panel adjusting mechanism for the dovetail guide rail is shown in fig. 1 and 2, and comprises a dovetail slide plate 1 and a dovetail guide rail 2, wherein a groove 1-1 is formed in the dovetail slide plate 1, and the right inner side surface of the groove 1-1 is a half dovetail groove surface matched with the right side of the dovetail guide rail 2. Referring to fig. 3 and 4, the left side of the recess 1-1 is internally provided with a main band 3 and a wear band 4.

The right side of the main panel 3 is provided with a half dovetail inclined plane 3-1 matched with the left side of the dovetail guide rail 2, and the main panel 3 is connected with the dovetail slide plate 1 through a gap adjustable structure; specifically, the main panel 3 is fixedly connected with the dovetail slide plate 1 through a main panel connecting screw 5, an adjusting connecting hole 1-2 which is in clearance fit with the main panel connecting screw 5 is formed in the dovetail slide plate 1, and the clearance fit between the main panel connecting screw 5 and the adjusting connecting hole 1-2 enables the main panel 3 to generate left and right movement so as to adjust the clearance between the main panel 3 and the dovetail guide rail 2; the main panel 3 is provided with a threaded hole screwed with a main panel connecting screw 5. In the structure, the inlaid strip is connected with the main sliding plate through the short direction, and long-direction adjusting screws are omitted.

In this embodiment, as shown in fig. 3 and 4, the mating band 4 is disposed between the main band 3 and the left inner side surface of the groove 1-1, the right side plane of the mating band 4 is tightly attached to the left side plane of the main band 3, the left side surface of the mating band 4 is tightly attached to the left inner side surface of the groove 1-1 through an inclined surface matching structure, specifically, the left side surface of the mating band 4 is an outer inclined surface 4-1, the left inner side surface of the groove 1-1 is an inner inclined surface 1-3, and the outer inclined surface 4-1 of the mating band 4 is tightly attached to the inner inclined surface 1-3 of the groove 1-1 in an adaptive manner to form an inclined surface matching structure. The upper plane 4-2 of the match grinding panel 4 changes the match grinding height dimension of the match grinding panel 4 through grinding, and the upper plane 4-2 of the match grinding panel 4 is abutted against the upper plane in the groove 1-1 through an inclined plane structure abutted against the left inner side surface of the groove 1-1, so that the main panel 3 is abutted against and moved right to adjust the gap between the main panel 3 and the dovetail guide rail 2.

In an embodiment, preferably, the inclined planes of the outer inclined plane 4-1 and the inner inclined plane 1-3 are smaller than 3 degrees, and because the contact surface between the mating strip 4 and the side surface of the dovetail sliding plate 1 is a small inclined plane, when 0.2mm is ground on the height of the upper plane 4-2 of the mating strip 4, the gap between the main strip 3 and the dovetail guide rail 2 is reduced by 0.017mm, so that the feed depth of the grinding machine can be controlled to be 0.01mm, and according to the ratio, the gap can be adjusted by only grinding the upper plane 4-2 of the mating strip, so that the gap with high accuracy in mu m level can be obtained, thereby greatly reducing the workload of manual scraping and grinding.

In one embodiment, the mating strip 4 is fixedly connected with the dovetail slide plate 1 after being in place by grinding. Specifically, the match grinding panel 4 is fixedly connected with the dovetail sliding plate 1 through a match grinding panel connecting screw 6, a hole matched with the match grinding panel connecting screw 6 is formed in the match grinding panel 4, and a threaded hole screwed with the match grinding panel connecting screw 6 is formed in the dovetail sliding plate 1.

In the structure, the two inlaid strips are fixedly connected, and the contact is surface contact, so that the rigidity of the guide rail is good; the two inlaid strips are produced according to the length of the dovetail sliding plate, so that the materials are saved, and the cost is reduced.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The double-panel adjusting mechanism for the dovetail guide rail comprises a dovetail slide plate (1) and a dovetail guide rail (2), wherein a groove (1-1) is formed in the dovetail slide plate (1), and the right inner side surface of the groove (1-1) is a half dovetail groove surface matched with the right side of the dovetail guide rail (2), and the double-panel adjusting mechanism is characterized in that:

a main panel (3) and a match-grinding panel (4) are arranged in the left side of the groove (1-1);

the right side of the main panel (3) is provided with a half dovetail inclined plane (3-1) matched with the left side of the dovetail guide rail (2), and the main panel (3) is connected with the dovetail slide plate (1) through a gap adjustable structure;

the upper plane (4-2) of the match grinding panel (4) is used for changing the height dimension of the match grinding panel (4) through grinding, and the upper plane (4-2) of the match grinding panel (4) is abutted against the upper plane in the groove (1-1) to press the main panel (3) to move right to adjust the gap between the main panel (3) and the dovetail guide rail (2) through the inclined plane structure abutted against the left inner side of the groove (1-1); the match grinding panel (4) is fixedly connected with the dovetail slide plate (1) after being ground and matched in place.

2. The dual band adjustment mechanism for dovetail rail of claim 1, wherein: the left side face of the match grinding panel (4) is an outer side inclined face (4-1), the left inner side face of the groove (1-1) is an inner side inclined face (1-3), and the outer side inclined face (4-1) of the match grinding panel (4) is matched with the inner side inclined face (1-3) of the groove (1-1) to form an inclined face structure.

3. The dual band adjustment mechanism for dovetail rail of claim 2, wherein: the inclined planes of the outer inclined plane (4-1) and the inner inclined plane (1-3) are less than 3 degrees.

4. The dual band adjustment mechanism for dovetail rail of claim 1, wherein: the clearance between the main panel (3) and the dovetail guide rail (2) is reduced by 0.017mm when the upper plane (4-2) of the match-grinding panel (4) is ground by 0.01mm according to the relation conversion, namely, the clearance between the main panel (3) and the dovetail guide rail (2) is reduced by 0.0009mm when the upper plane (4-2) of the match-grinding panel (4) is ground by 0.01mm according to the feed scale value of the grinding machine, so that the clearance control of the mu m level is realized.

5. The dual band adjustment mechanism for dovetail rail of claim 1, wherein: the main panel (3) is fixedly connected with the dovetail sliding plate (1) through a main panel connecting screw (5), an adjusting connecting hole (1-2) which is in clearance fit with the main panel connecting screw (5) is formed in the dovetail sliding plate (1), and the clearance fit between the main panel connecting screw (5) and the adjusting connecting hole (1-2) enables the main panel (3) to generate left and right movement so as to adjust the clearance between the main panel and the dovetail guide rail (2); the main panel (3) is provided with a threaded hole screwed with the main panel connecting screw (5).

6. The dual band adjustment mechanism for dovetail rail of claim 1, wherein: the dovetail sliding plate is characterized in that the matched grinding panel (4) is fixedly connected with the dovetail sliding plate (1) through matched grinding panel connecting screws (6) after being ground and matched in place, holes matched with the matched grinding panel connecting screws (6) are formed in the matched grinding panel (4), and threaded holes screwed with the matched grinding panel connecting screws (6) are formed in the dovetail sliding plate (1).