CN210703602U - Guide rail of gantry combined machining machine tool - Google Patents
Guide rail of gantry combined machining machine tool Download PDFInfo
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- CN210703602U CN210703602U CN201921763211.5U CN201921763211U CN210703602U CN 210703602 U CN210703602 U CN 210703602U CN 201921763211 U CN201921763211 U CN 201921763211U CN 210703602 U CN210703602 U CN 210703602U
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- contact surface
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- guide rail
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Abstract
The utility model belongs to the technical field of guide rails, in particular to a guide rail of a gantry compound processing machine tool, which comprises a fixed part and a movable part which moves on the fixed part; the movable piece and the fixed piece are mutually matched to form two first contact surfaces and a second contact surface; a rolling unit is arranged at the first contact surface and/or the second contact surface; the rolling unit arranged on the first contact surface is fixed on the movable piece, and the rolling unit arranged on the second contact surface is fixed on the fixed piece. The utility model discloses an ordinary guide rail realizes the advantage of increase of service life, easy maintenance in addition to the unit that rolls, changes the sliding friction of traditional guide rail into sliding friction in addition rolling friction, reduces coefficient of friction by a wide margin, reduces the possibility of damage, because the unit that rolls adopts the modularized design again for the unit that rolls takes place to be more convenient for when damaging maintains.
Description
Technical Field
The utility model belongs to the technical field of the guide rail, especially, relate to a gantry compound machine tool's guide rail.
Background
A guide rail is a groove or ridge made of metal or other material that can bear, secure, guide and reduce friction of a moving device or equipment. Longitudinal grooves or ridges on the surface of the guide rail for guiding, fixing machine parts, special equipment, instruments, etc. The guide rail is also called as a slide rail, a linear guide rail and a linear slide rail, is used in the linear reciprocating motion occasion, has higher rated load than a linear bearing, can bear certain torque, and can realize high-precision linear motion under the condition of high load. Because the gantry composite machine tool is commonly used for processing large-sized workpieces, the guide rail bears large load for a long time and has a limited service life, the guide rail capable of solving the problem is needed, the service life is prolonged while the large-load working condition is realized, the convenience of maintenance is improved to a certain extent, and the loss caused by the damage of the guide rail is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a longmen combined machining machine tool's guide rail aims at solving the not long problem of current guide rail life-span.
The utility model is realized in such a way that the guide rail of the gantry compound processing machine tool comprises a fixed part and a movable part which moves on the fixed part;
the movable piece and the fixed piece are mutually matched to form two first contact surfaces and a second contact surface;
a rolling unit is arranged at the first contact surface and/or the second contact surface;
the rolling unit arranged on the first contact surface is fixed on the movable member, and the rolling unit arranged on the second contact surface is fixed on the fixed member.
As a further aspect of the present invention: the two first contact surfaces are distributed in an axisymmetrical mode by taking the second contact surface as an axis, and the second contact surface is horizontal and is positioned in the center of the length direction of the guide rail.
As a further aspect of the present invention: the movable piece and/or the fixed piece are/is provided with an installation position of the rolling unit and a threaded hole penetrating through the movable piece and/or the fixed piece, and the rolling unit is fixed on the movable piece and/or the fixed piece through the matching of a screw and the threaded hole.
As a further aspect of the present invention: the rolling unit comprises rolling components and a retainer for limiting the movement of the rolling components;
the rolling member rolls between the cage and the first contact surface and/or the second contact surface;
the retainer is fixed on the movable piece and/or the fixed piece through screws, and when the screws are tightened, the retainer presses the rolling component on the first contact surface and/or the second contact surface.
As a further aspect of the present invention: the rolling component is a steel ball, and a groove is arranged at the position, corresponding to the rolling component, of the first contact surface and/or the second contact surface;
the radius of curvature of the groove is the same as the rolling member.
As a further aspect of the present invention: the depth of the groove is less than or equal to the radius of the rolling member.
As a further aspect of the present invention: the rolling units are uniformly distributed on the first contact surface and/or the second contact surface.
The utility model discloses the beneficial effect who reaches: the utility model discloses an ordinary guide rail realizes the advantage of increase of service life, easy maintenance in addition to the unit that rolls, changes the sliding friction of traditional guide rail into sliding friction in addition rolling friction, reduces coefficient of friction by a wide margin, reduces the possibility of damage, because the unit that rolls adopts the modularized design again for the unit that rolls takes place to be more convenient for when damaging maintains.
Drawings
Fig. 1 is a first schematic cross-sectional view of the present invention;
fig. 2 is a second schematic cross-sectional view of the present invention;
fig. 3 is a third schematic cross-sectional view of the present invention;
fig. 4 is a first detailed schematic view of the present invention;
fig. 5 is a second detailed schematic view of the present invention;
fig. 6 is a third detailed schematic view of the present invention;
fig. 7 is a cross-sectional view of the plane a in fig. 3 according to the present invention;
fig. 8 is an enlarged view of the rolling unit of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-8, a guide rail of a gantry compound machine tool comprises a fixed part 2 and a movable part 1 movable on the fixed part 2;
the movable piece 1 and the fixed piece 2 are mutually matched to form two first contact surfaces 11 and a second contact surface 12;
the rolling unit 3 is arranged at the first contact surface 11 and/or the second contact surface 12;
the rolling unit 3 mounted on the first contact surface 11 is fixed to the movable member 1, and the rolling unit 3 mounted on the second contact surface 12 is fixed to the fixed member 2.
The utility model discloses an ordinary guide rail realizes the advantage of increase of service life, easy maintenance in addition to the unit that rolls, changes the sliding friction of traditional guide rail into sliding friction in addition rolling friction, reduces coefficient of friction by a wide margin, reduces the possibility of damage, because the unit that rolls adopts the modularized design again for the unit that rolls takes place to be more convenient for when damaging maintains.
Furthermore, the two first contact surfaces 11 are distributed with the second contact surface 12 as an axis symmetry, and the second contact surface 12 is horizontal and located at the center of the guide rail in the length direction.
Furthermore, the movable element 1 and/or the fixed element 2 are provided with an installation position 8 of the rolling unit 3 and a threaded hole 7 penetrating through the movable element 1 and/or the fixed element 2, and the rolling unit 3 is fixed on the movable element 1 and/or the fixed element 2 through the matching of a screw 6 and the threaded hole 7.
Further, the rolling unit 3 includes rolling members 5 and a cage 4 for restricting movement of the rolling members 5;
the rolling elements 5 roll between the cage 4 and the first contact surface 11 and/or the second contact surface 12;
the retainer 4 is fixed to the movable element 1 and/or the stationary element 2 by a screw 6, and when the screw 6 is tightened, the retainer 4 presses the rolling member 5 against the first contact surface 11 and/or the second contact surface 12.
Furthermore, the rolling component 5 is a steel ball, and a groove 9 is arranged at a position of the first contact surface 11 and/or the second contact surface 12 corresponding to the rolling component 5;
the radius of curvature of the groove 9 is the same as the rolling element 5.
Further, the depth of the groove 9 is smaller than or equal to the radius of the rolling member 5.
Furthermore, there are several rolling units 3, which are uniformly distributed on the first contact surface 11 and/or the second contact surface 12.
Furthermore, a spring or a rubber pad is arranged between the screw 6 and the retainer 4.
Furthermore, an oil filling hole (not shown in the figure) is arranged on the moving part 1, the oil filling hole penetrates through the moving part and extends to the installation position 8, the position of the oil filling hole is not fixed, and the oil filling hole can be arranged at any position on the moving part 1 to ensure that lubricating oil can be filled into the rolling unit 3.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A guide rail of a gantry compound processing machine tool is characterized by comprising a fixed part (2) and a movable part (1) which is movable on the fixed part (2);
the movable piece (1) and the fixed piece (2) are mutually matched to form two first contact surfaces (11) and one second contact surface (12);
a rolling unit (3) is arranged at the first contact surface (11) and/or the second contact surface (12);
the rolling unit (3) arranged on the first contact surface (11) is fixed on the movable piece (1), and the rolling unit (3) arranged on the second contact surface (12) is fixed on the fixed piece (2).
2. Guide rail according to claim 1, characterized in that the two first contact surfaces (11) are arranged axisymmetrically with respect to the second contact surface (12), the second contact surface (12) being horizontal and located in the longitudinal center of the guide rail.
3. Guide rail according to claim 1, characterized in that the moving part (1) and/or the stationary part (2) are provided with mounting locations (8) for the rolling unit (3) and threaded holes (7) extending through the moving part (1) and/or the stationary part (2), and the rolling unit (3) fixes the rolling unit (3) to the moving part (1) and/or the stationary part (2) by means of the cooperation of screws (6) and the threaded holes (7).
4. Guide rail according to claim 1 or 2 or 3, characterized in that the rolling unit (3) comprises rolling elements (5) and a cage (4) for limiting the movement of the rolling elements (5);
the rolling elements (5) rolling between the cage (4) and the first contact surface (11) and/or the second contact surface (12);
the retainer (4) is fixed on the movable piece (1) and/or the fixed piece (2) through a screw (6), and when the screw (6) is screwed down, the retainer (4) presses the rolling component (5) on the first contact surface (11) and/or the second contact surface (12).
5. Guide rail according to claim 4, characterized in that the rolling element (5) is a steel ball, and the first contact surface (11) and/or the second contact surface (12) is provided with a groove (9) at a position corresponding to the rolling element (5);
the radius of curvature of the groove (9) is the same as the rolling element (5).
6. Guide rail according to claim 5, characterized in that the depth of the groove (9) is smaller than or equal to the radius of the rolling element (5).
7. Guide rail according to claim 1, characterized in that the rolling elements (3) are distributed evenly over the first contact surface (11) and/or the second contact surface (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921763211.5U CN210703602U (en) | 2019-10-18 | 2019-10-18 | Guide rail of gantry combined machining machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921763211.5U CN210703602U (en) | 2019-10-18 | 2019-10-18 | Guide rail of gantry combined machining machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210703602U true CN210703602U (en) | 2020-06-09 |
Family
ID=70957568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921763211.5U Active CN210703602U (en) | 2019-10-18 | 2019-10-18 | Guide rail of gantry combined machining machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210703602U (en) |
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2019
- 2019-10-18 CN CN201921763211.5U patent/CN210703602U/en active Active
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