Self-adaptive guide rail device for sliding table of machine tool

Abstract

The utility model relates to the technical field of machine tool sliding table guide rails, in particular to a machine tool sliding table self-adaption guide rail device which comprises a fixed guide rail and a self-adaption guide rail body which are arranged on a sliding table body, a self-adaption guide rail installation groove is formed in the self-adaption guide rail body, and the self-adaption guide rail body is installed on the sliding table body. A rubber pad is arranged on the guide block main body; the self-adaptive guide rail has the beneficial effects that the self-adaptive guide rail body is supported through the rubber pad and the elastic pad, a gap is reserved between the self-adaptive guide rail body and the sliding table body, and the self-adaptive guide rail body slightly moves in the direction perpendicular to the sliding table body and slightly moves in the direction of the guide block body; and self-adaptive adjustment is carried out to adapt to changes of the fixed guide rails, so that the situation that the machining precision of a machine table is influenced due to non-uniform deformation, caused by temperature changes, of the two guide rail pairs is avoided, the movement precision of the sliding table is improved, and the machining precision of the whole machine is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to machine tool sliding table guide rail technical field, concretely is a kind of machine tool sliding table self-adapting guide rail device. BACKGROUND

[0002] Guide rail is the groove or ridge made of metal or other materials, which can bear, fix, guide mobile devices or equipment and reduce their friction. The longitudinal groove or ridge on the guide rail surface is used to guide, fix machine parts, special equipment, instruments, etc. Guide rail is also called sliding rail, linear guide rail or linear sliding rail, which is used in linear reciprocating motion occasions. It has higher rated load than linear bearing and can bear certain torque, so it can realize high-precision linear motion under high load.

[0003] In the prior art, the best solution for machine tool precision sliding table theory is to use two V-shaped guide rails, which can provide high vertical and horizontal guiding accuracy.

[0004] However, the biggest difficulty in manufacturing traditional two V-shaped guide rails is to ensure the center distance of two V-shaped guide rails, which greatly increases the manufacturing cost. In addition, the temperature changes of the upper and lower guide rail pairs during use cause inconsistent deformation, which causes resistance during movement and reduces the sliding table movement accuracy, thereby affecting the machining accuracy. Therefore, the utility model provides a machine tool sliding table self-adapting guide rail device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a machine tool sliding table self-adapting guide rail device to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a machine tool sliding table self-adapting guide rail device, comprising a sliding table body, a fixed guide rail and a self-adapting guide rail body are arranged on the sliding table body, a self-adapting guide rail mounting groove is formed in the self-adapting guide rail body, a self-adapting guide rail fixing bolt is arranged in the self-adapting guide rail mounting groove, the self-adapting guide rail body is installed on the sliding table body, an elastic pad and a guide block body are arranged on the sliding table body.

[0007] The guide block body is provided with a rubber pad.

[0008] Preferably, the fixed guide rail is fixedly connected with the sliding table body, a guide block mounting groove is formed in the sliding table body, the guide block mounting groove has a square groove structure, and the guide block body is arranged in the guide block mounting groove.

[0009] Preferably, the guide block body has a square plate structure, a clamping block is fixedly connected to the side surface of the guide block body, the clamping block has a square plate structure, the clamping block is clamped in the lower clamping groove formed in the sliding table body and is threadedly connected with the sliding table body through the guide block fixing bolt.

[0010] Preferably, one end of the self-adapting guide rail fixing bolt penetrates through the self-adapting guide rail mounting groove on the self-adapting guide rail body, the through hole on the elastic pad and the threaded hole on the slide table body, and is threadedly connected with the threaded hole.

[0011] Preferably, the rubber pad is in a square plate structure, and the rubber pad is fixedly connected with the guide block body.

[0012] Preferably, the guide block body is fixedly connected with an elastic block in a square plate structure.

[0013] Compared with the prior art, the machine tool slide table self-adapting guide rail device has the following beneficial effects:

[0014] The machine tool slide table self-adapting guide rail device provided by the utility model supports the self-adapting guide rail body through the rubber pad and the elastic pad, leaves a certain gap between the self-adapting guide rail body and the slide table body, and enables the self-adapting guide rail body to produce a slight movement in a direction perpendicular to the slide table body. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 FIG. 1 is a structural schematic diagram of the device of the utility model;

[0016] Figure 2 FIG. 2 is an enlarged structural schematic diagram of position A in FIG. 1; Figure 1

[0017] Figure 3 FIG. 4 is an enlarged structural schematic diagram of position B in FIG. 1; Figure 1

[0018] Figure 4 FIG. 5 is a partial structural schematic diagram of the device of the utility model;

[0019] Figure 5 Figure 4 FIG. 6 is an enlarged structural schematic diagram of position C in FIG. 1;

[0020] Figure 6 FIG. 7 is a partial structural schematic diagram of the device of the utility model;

[0021] Figure 7 ​​​The utility model discloses a guide block main part cross section structure schematic diagram shows.

[0022] Figure 8 The utility model discloses a self -adaptation guide rail main part cross section structure schematic diagram.

[0023] In the drawing: 1, slide table main body, 2, fixed guide rail, 3, self -adaptation guide rail main body, 4, self -adaptation guide rail installation slot, 5, self -adaptation guide rail fixed bolt, 6, upper clamping groove, 7, rubber pad, 8, guide block main body, 9, guide block installation slot, 10, elastic pad, 11, through -hole, 12, clamping block, 13, lower clamping groove, 14, guide block fixed bolt, 15, elastic block, 16, upper positioning groove. Specific implementation

[0024] In order to make the utility model's purpose, technical scheme carry out clearly, completely describe, and the advantage is more clear and distinct, following combining the drawing to the utility model embodiment further detailed explanation.Should understand, the specific embodiment described here is the utility model a part of embodiment, instead of all the embodiment, just to explain the utility model embodiment, and not for the limitation of the utility model embodiment, and all other embodiments that the ordinary skill in the art obtains under the premise of not making the creative labor, belong to the scope of the utility model protection. Embodiment one

[0025] Please refer to Figures 1 to 8 The utility model provides a kind of technical scheme: a machine tool slide table self -adaptation guide rail device, including slide table main body 1, slide table main body 1 is provided with fixed guide rail 2 and self -adaptation guide rail main body 3, self -adaptation guide rail main body 3 is opened in self -adaptation guide rail installation slot 4, self -adaptation guide rail installation slot 4 is provided with self -adaptation guide rail fixed bolt 5, the self -adaptation guide rail main body 3 is installed on slide table main body 1, slide table main body 1 is provided with elastic pad 10 and is installed with guide block main body 8;Guide block main body 8, guide block main body 8 is provided with rubber pad 7;

[0026] Specific use, by self -adaptation guide rail fixed bolt 5, self -adaptation guide rail main body 3 is installed on slide table main body 1, by the elastic pad 10 of fixed connection on slide table main body 1 as the elastic support of self -adaptation guide rail main body 3, make self -adaptation guide rail main body 3 and slide table main body 1 between leaving a certain gap, self -adaptation guide rail main body 3 can be along the perpendicular with the direction of slide table main body 1 produce slight movement, effectively solve the deformation of two guide rail pairs caused by temperature difference and affect movement accuracy, and then affect the machining accuracy of machine table, significantly improve the movement accuracy of slide table, and then greatly improve the machining accuracy of whole machine. Embodiment two

[0027] On the basis of example one in order to facilitate staff to install the device is provided with a guide block body 8, guide block body 8 square plate structure, guide block body 8 side fixedly connected with the block 12, the block 12 square plate structure, the block 12 card in the lower card slot 13 on the slide table body 1 and through the guide block fixing bolt 14 with slide table body 1 threaded connection, lower card slot 13 square groove structure, slide table body 1 square plate structure, staff will guide block body 8 side fixedly connected with the block 12 card into the lower card slot 13 on the slide table body 1, so that the hole in the block 12 and the threaded hole in the slide table body 1 align, staff can one end of the guide block fixing bolt 14 threaded connection through the hole in the block 12 and the threaded hole in the slide table body 1, facilitate staff to install the work;

[0028] The side of the guide block body 8 is fixedly connected with the elastic block 15, the elastic block 15 is square plate structure, the elastic block 15 can be clamped into the upper positioning groove 16 on the self adaptive guide rail body 3, the upper positioning groove 16 is square groove structure, when the guide block body 8 is installed on the slide table body 1, the side of the elastic block 15 fixedly connected with it can assist in installing the self adaptive guide rail body 3, so that the elastic block 15 is clamped into the upper positioning groove 16 on the self adaptive guide rail body 3, so that the guide block setting groove 9 is aligned with the through hole 11 on the elastic pad 10 and the threaded hole on the slide table body 1, without multiple debugging, facilitating staff to install the work;

[0029] The self adaptive guide rail fixing bolt 5 one end penetrates the self adaptive guide rail installation groove 4 on the self adaptive guide rail body 3 and the through hole 11 on the elastic pad 10 and the threaded hole on the slide table body 1 threaded connection, the elastic pad 10 and the slide table body 1 fixed connection, the self adaptive guide rail installation groove 4 presents the combination of the upper end hole diameter greater than the lower end hole diameter, the elastic pad 10 is square plate structure, the through hole 11 is circular groove structure, the one end of the self adaptive guide rail fixing bolt 5 is clamped into the self adaptive guide rail installation groove 4 on the self adaptive guide rail body 3, and its one end is threaded connected with the threaded hole on the slide table body 1 along the through hole 11 on the elastic pad 10, so as to complete the installation work. Example three

[0030] On the basis of example two in order to reduce the temperature on the device is provided with a fixed guide rail 2, the fixed guide rail 2 and the slide table body 1 fixed connection, the slide table body 1 is provided with a guide block setting groove 9, the guide block setting groove 9 is square groove structure, the guide block setting groove 9 is provided with a guide block body 8, after installation, through the guide block body 8 to transfer the drag force to the self adaptive guide rail, so that the self adaptive guide rail body 3 follows the slide table body 1 to move, at the same time also can let the self adaptive guide rail body 3 along the guide block body 8 direction on the micro movement, make a certain degree of adaptive adjustment, to adapt to the change of the fixed guide rail 2;

[0031] The rubber pad 7 is in a square plate structure, and the rubber pad 7 is fixedly connected with the guide block body 8, the guide block body 8 is in a square plate structure, the guide block body 8 and the rubber pad 7 can be clamped into the upper clamping groove 6 formed on the self-adaptive guide rail body 3, the upper clamping groove 6 is in a square groove structure, the rubber pad 7 and the elastic pad 10 can be deformed to a certain extent, the self-adaptive guide rail body 3 is supported by the rubber pad 7 and the elastic pad 10, so that a certain gap is left between the self-adaptive guide rail body 3 and the slide table body 1, and the self-adaptive guide rail body 3 can move a small amount along the direction perpendicular to the slide table body 1, thereby effectively solving the problem that the deformation of the two guide rail pairs caused by temperature difference is uneven, the movement precision is affected, and the machining precision of the machine is affected.

[0032] Working principle: in actual use, the self-adaptive guide rail body 3 is supported by the rubber pad 7 and the elastic pad 10, so that a certain gap is left between the self-adaptive guide rail body 3 and the slide table body 1, and the self-adaptive guide rail body 3 can move a small amount along the direction perpendicular to the slide table body 1, and the self-adaptive guide rail body 3 moves a small amount along the direction of the guide block body 8, so that a certain degree of self-adaptive adjustment is made to adapt to the change of the fixed guide rail 2, and the problem that the deformation of the two guide rail pairs caused by temperature change is uneven, the movement precision is affected, and the machining precision of the machine is affected is avoided, and the movement precision of the slide table is significantly improved, and the machining precision of the whole machine is greatly improved.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A machine tool slide adaptive guide rail device, comprising a slide main body (1), a fixed guide rail (2) and an adaptive guide rail main body (3) are arranged on the slide main body (1), an adaptive guide rail mounting groove (4) is arranged on the adaptive guide rail main body (3), and an adaptive guide rail fixing bolt (5) is arranged in the adaptive guide rail mounting groove (4), characterized in that: The adaptive guide rail body (3) is installed on the sliding table body (1), and the sliding table body (1) is provided with an elastic pad (10) and is installed with a guide block body (8). ​ The guide block body (8) is provided with a rubber pad (7).

2. The self-adapting guide rail device of a machine tool slide according to claim 1, characterized in that: The fixed guide rail (2) is fixedly connected with the sliding table body (1), the sliding table body (1) is provided with a guide block setting groove (9), the guide block setting groove (9) is in a square groove structure, and the guide block setting groove (9) is provided with the guide block body (8).

3. The self-adapting guide rail device of a machine tool slide according to claim 1, characterized in that: The guide block body (8) is in a square plate structure, the guide block body (8) is fixedly connected with a clamping block (12) on the side surface, the clamping block (12) is in a square plate structure, the clamping block (12) is clamped in a lower clamping groove (13) formed on the sliding table body (1) and is screw-connected with the sliding table body (1) through a guide block fixing bolt (14).

4. The self-adapting guide rail device of a machine tool slide according to claim 1, characterized in that: One end of the adaptive guide rail fixing bolt (5) is screw-connected with a threaded hole formed on the sliding table body (1) through an adaptive guide rail mounting groove (4) formed on the adaptive guide rail body (3) and a through hole (11) formed on the elastic pad (10), and the elastic pad (10) is fixedly connected with the sliding table body (1).

5. The self-adapting guide rail device of a machine tool slide according to claim 1, characterized in that: The rubber pad (7) is in a square plate structure, the rubber pad (7) is fixedly connected with the guide block body (8), the guide block body (8) is in a square plate structure, and the guide block body (8) and the rubber pad (7) can be clamped into an upper clamping groove (6) formed on the adaptive guide rail body (3), and the upper clamping groove (6) is in a square groove structure.

6. The self-adapting guide rail device of a machine tool slide according to claim 1, characterized in that: The guide block body (8) is fixedly connected with an elastic block (15) on the side surface, the elastic block (15) is in a square plate structure, and the elastic block (15) can be clamped into an upper positioning groove (16) formed on the adaptive guide rail body (3), and the upper positioning groove (16) is in a square groove structure.

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