CN212286692U

CN212286692U - Machine tool base sliding rail device

Info

Publication number: CN212286692U
Application number: CN202020666476.XU
Authority: CN
Inventors: 吴培柱; 刘俊; 许保雄; 杨靖益
Original assignee: Guangxi Yuchai Machinery Co Ltd
Current assignee: Guangxi Yuchai Machinery Co Ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2021-01-05
Anticipated expiration: 2030-04-27

Abstract

The utility model discloses a machine tool base slide rail device, which comprises an upper movable body, a lower movable body, rolling needles, rollers and a cover plate; a needle roller is installed between the upper movable body and the lower movable body, a roller is inserted into the side edges of the upper movable body and the lower movable body, and the axial position of the side roller is fixed by a cover plate. The thickness of the whole slide rail is reduced by combining the inherent entities of the upper and lower moving bodies and matching with the special rolling bodies, the slide rail is suitable for a machine tool with a specific small height and large mass, and the slide rail is simple to manufacture and convenient to operate and is different from the above forms.

Description

Machine tool base sliding rail device

Technical Field

The utility model relates to a lathe technical field especially relates to a machine tool base slide rail device.

Background

In modern machine manufacturing, a machine tool is often required to be used for performing working procedures such as travelling, milling, planing and the like, a machine tool base is taken as an important component of the machine tool and directly determines the machining precision and the working life of the machine tool, and the existing machine tool base is fixed in size and inconvenient to move when workpieces of different sizes need to be machined. Furthermore, the slide rail device of the machine tool base is a common device for deviating or returning the power head of the machine tool to a specific position of a transmission line, and a linear bearing and a common guide rail are generally used for connecting a fixed part and a movable part of the machine tool. However, for a machine tool with a specific small height and large mass, the problems of complex design, difficult manufacture and inconvenient construction can be caused by using a standard guide rail. Therefore, there is a need for an improved slide rail device.

The above background disclosure is only provided to aid in understanding the concepts and technical solutions of the present invention, and it does not necessarily belong to the prior art of the present patent application, and it should not be used to assess the novelty and inventive step of the present application without explicit evidence that the above content has been disclosed at the filing date of the present patent application.

SUMMERY OF THE UTILITY MODEL

The utility model provides a machine tool base slide rail device to above-mentioned technical problem to the lathe unit head to the lathe to specific less height, the lathe of great quality skew or return the specific position of driving line.

In order to realize the purpose, the utility model adopts the following technical scheme:

a slide rail device of a machine tool base comprises an upper movable body, a lower movable body, a roller pin, a roller and a cover plate; the upper part of the upper movable body is provided with a pressure-bearing boss, and side pressure surfaces on two sides of the pressure-bearing boss are provided with grooves; two sides of the plate body at the bottom of the lower movable body are provided with side pressing plates, and the side pressing plates and the plate body at the bottom of the lower movable body form a groove body; a plurality of pressure bearing grooves are arranged on the surface of the groove body side by side; a plurality of through holes are arranged on the side pressing plates; the roller pins are arranged in the bearing grooves, the upper movable body is in clearance fit with the groove bodies of the lower movable body through bearing bosses, and the bearing bosses are attached to the roller pins; the roller penetrates through the through hole, one part of the roller is left in the through hole, and the other part of the roller penetrates into the groove; the cover plate is installed on the outer side of the side pressure plate through screws.

Further, the groove is a kidney-shaped groove.

Furthermore, a plurality of process holes are arranged in the groove.

Furthermore, the through holes comprise side round holes and cover plate screw holes, and the number of the process holes corresponds to that of the side round holes.

Furthermore, three side round holes are arranged between every two cover plate screw holes.

Further, the spacing distance between the process holes is equal to the spacing distance between the side circular holes.

Furthermore, the middle part of the roller pin is a roller pin column body, and the two ends of the roller pin are ball heads.

Furthermore, the middle part of the roller is a roller cylinder, and the end surfaces of the two ends are arranged into mutually parallel inclined tangent planes.

Furthermore, an inclined plane is arranged at an acute angle formed by the roller cylinder and the end face.

The utility model has the advantages of compared with the prior art:

(1) the device combines the inherent entities of the upper and lower moving bodies and the special rolling bodies, so that the thickness of the whole slide rail is reduced, the device is suitable for a machine tool with specific small height and large mass, and the device is simple to manufacture and convenient to operate and is different from the above forms.

(2) Rollers are arranged on the side edges of the upper movable body and the lower movable body, one part of the roller is left in the side round hole, and the other part of the roller extends into the kidney-shaped groove; and the two end surfaces of the roller are mutually parallel and obliquely offset and randomly contact the end surface of the groove or the cover plate to realize low-resistance rolling, and the upper movable body and the lower movable body are limited in stroke and prevented from falling off up and down.

(3) The roller is convenient to disassemble due to the action of the fabrication hole; upon disassembly, the tooling holes are aligned with the rollers so that the rollers can be knocked out along the tooling holes.

Drawings

FIG. 1 is a front view of the slide rail device of the machine tool base of the present invention;

FIG. 2 is a left side view of the slide rail device of the machine tool base according to the present invention;

FIG. 3 is a front view of the upper movable body of the slide rail device of the machine tool base;

FIG. 4 is a top view of the upper movable body of the slide rail device of the machine tool base;

FIG. 5 is a front view of the lower movable body of the slide rail device of the machine tool base;

FIG. 6 is a top view of the lower movable body of the slide rail device of the machine tool base;

FIG. 7 is a view of the needle roller of the slide rail device of the machine tool base;

FIG. 8 is a front view of a roller of the slide rail apparatus of the machine base;

FIG. 9 is a left side view of the rollers of the slide rail assembly of the machine base;

FIG. 10 is a schematic view of a cover plate structure of a slide rail device of a machine tool base;

reference numerals: 1. an upper movable body; 11. a bolt hole a; 12. a pressure-bearing boss; 13. a mounting surface a; 14. side pressing; 15. a groove; 16. a fabrication hole; 2. a lower movable body; 21. a bolt hole b; 22. a pressure-bearing groove; 23. a mounting surface b; 24. side pressing plates; 25. a side circular hole; 26. a cover plate screw hole; 3. rolling needles; 31. a needle roller cylinder; 32. a ball head; 4. a roller; 41. a roller cylinder; 42. a bevel; 43. an end face; 5. and (7) a cover plate.

Detailed Description

In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment. It should be understood that the directions "up", "down", "left" and "right" in the following embodiments of the present invention are all based on the position of the corresponding drawing. These directional terms are used for convenience of description only and do not represent limitations on the particular embodiments of the present invention. Unless otherwise specified, like reference numerals in the reference numerals refer to like structures.

As shown in the attached drawings 1-10, the utility model relates to a machine tool base slide rail device, the device includes: the device comprises an upper movable body 1, a lower movable body 2, a needle roller 3, a roller 4 and a cover plate 5. Referring to fig. 3 to 4, the upper portion of the upper movable body 1 is a pressure-bearing boss 12, bolt holes a11 are provided on stepped surfaces at both ends of the pressure-bearing boss 12, grooves 15 are provided on side pressure surfaces 14 at both sides of the pressure-bearing boss 12, and a plurality of process holes 16 are provided in the grooves 15 to communicate the grooves 15. Referring to fig. 5-6, the two sides of the bottom plate body of the lower movable body 2 are provided with the side pressure plates 24, so that a groove body is formed in the middle of the lower movable body 2 and serves as a guide groove, the width of the groove body is matched with the width of the pressure-bearing boss 12, the groove body and the pressure-bearing boss 12 are in clearance fit at intervals, and the relative sliding of the upper movable body 1 and the lower movable body 2 can be realized; bolt holes 21 are arranged at two ends of a plate body at the bottom of the lower movable body 2, and a plurality of pressure-bearing grooves 22 are arranged side by side on the surface of a groove body formed in the middle of the lower movable body 2; the side pressure plate 24 is provided with a plurality of side round holes 25 and cover plate screw holes 26, the number of the side round holes 25 corresponds to the number of the process holes 16, the spacing distance between the process holes 16 is equal to the spacing distance between the side round holes 25, and three side round holes 25 are arranged between every two cover plate screw holes 26. Referring to fig. 7, the middle part of the needle roller 3 is a needle roller column 31, and two ends are ball heads 32; referring to fig. 8-9, the roller 4 is provided with a roller cylinder 41 in the middle, and the end surfaces 43 at the two ends are arranged to be mutually parallel inclined tangent planes, so as to avoid the roller cylinder 41 from contacting with the end surface of the groove 15 or the cover plate 5 to generate large friction force; an inclined surface 42 is arranged at an acute angle formed by the roller cylinder 41 and the end surface 43; when the inclined surface 42 abuts against the end surface of the recess 15 or the cover plate 5 during the movement of the machine tool 6, a pair of friction forces are generated in opposite directions in the tangential direction of the circumference of the roller cylinder 41, and a pair of torque is generated, which can cause the roller cylinder 41 to roll, thereby further facilitating the relative movement between the upper movable body 1 and the lower movable body 2.

Referring to fig. 1-2, when the device is installed, the roller pin 3 is installed in the waist-shaped bearing groove 22, and the ball heads 32 randomly contact two ends of the bearing groove 22 to keep the roller pin 3 rolling in a low-resistance center. The surface of the pressure-bearing boss 12 is in positive pressure contact with the needle cylinder 31. The roller 4 is mounted from the side circular hole 25, and then the cover plate 5 is mounted to regulate the axial position of the roller 4, thereby preventing the roller 4 from dropping. So far, the upper movable body 1 is in sliding fit with the lower movable body 2, and the upper movable body 1 can slide in the groove body of the lower movable body 2; wherein a part of the roller 4 is left in the side round hole 25, and a part of the roller is deep into the groove 15; the end surface 43 is inclined and biased, and randomly contacts with the end surface of the groove 15 or the cover plate 5 to achieve low-resistance rolling, and the stroke limit and the up-and-down anti-drop of the upper movable body 1 and the lower movable body 2 are realized. The function of the fabrication hole 16 is convenient for disassembling the roller 4; upon disassembly, the tooling holes 16 are aligned with the rollers 4 so that the rollers 4 can be knocked out along the tooling holes 16.

Referring to fig. 1 to 2, after the apparatus is mounted, the machine tool 6 and the upper movable body 1 are fixed to each other through a bolt hole a11, and the machine tool base 7 and the lower movable body 2 are fixed to each other through a bolt hole b 21. Therefore, the machine tool base 7 is fixed, and the machine tool 6 with smaller height and larger mass can be obtained. The device has simple structure and convenient operation, and can reduce the investment cost of the machine tool 6 for frequently changing the position.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides a machine tool base slide rail device which characterized in that: comprises an upper movable body, a lower movable body, a roller pin, a roller and a cover plate; the upper part of the upper movable body is provided with a pressure-bearing boss, and side pressure surfaces on two sides of the pressure-bearing boss are provided with grooves; two sides of the plate body at the bottom of the lower movable body are provided with side pressing plates, and the side pressing plates and the plate body at the bottom of the lower movable body form a groove body; a plurality of pressure bearing grooves are arranged on the surface of the groove body side by side; a plurality of through holes are arranged on the side pressing plates; the roller pins are arranged in the bearing grooves, the upper movable body is in clearance fit with the groove bodies of the lower movable body through bearing bosses, and the bearing bosses are attached to the roller pins; the roller penetrates through the through hole, one part of the roller is left in the through hole, and the other part of the roller penetrates into the groove; the cover plate is installed on the outer side of the side pressure plate through screws.

2. The machine tool base slide rail apparatus of claim 1, wherein: the groove is a waist-shaped groove.

3. The machine tool base slide rail apparatus of claim 2, wherein: a plurality of process holes are arranged in the groove.

4. The machine tool base slide rail apparatus of claim 3, wherein: the through holes comprise side round holes and cover plate screw holes, and the number of the process holes corresponds to that of the side round holes.

5. The machine tool base slide rail apparatus of claim 4, wherein: three side round holes are arranged between every two cover plate screw holes.

6. The machine tool base slide rail apparatus of claim 5, wherein: the spacing distance between the process holes is equal to the spacing distance between the side round holes.

7. The machine tool base slide rail apparatus of claim 1, wherein: the middle part of the roller pin is a roller pin column body, and the two ends are ball heads.

8. The machine tool base slide rail apparatus of claim 1, wherein: the middle part of the roller is a roller cylinder, and the end surfaces of the two ends are arranged into mutually parallel inclined tangent planes.

9. The machine tool base slide rail apparatus of claim 8, wherein: an inclined plane is arranged at an acute angle formed by the roller cylinder and the end face.