CN219036241U

CN219036241U - Machine tool lubricating device

Info

Publication number: CN219036241U
Application number: CN202222561111.2U
Authority: CN
Inventors: 王波
Original assignee: Anhui Jinshi Intelligent Machine Tool Technology Co ltd
Current assignee: Anhui Jinshi Intelligent Machine Tool Technology Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-05-16
Anticipated expiration: 2032-09-27

Abstract

The utility model relates to the field of machine tool lubrication, in particular to a machine tool lubrication device, which comprises a shaft hole, wherein the shaft hole is used for penetrating a main shaft body; the shaft sleeve is arranged at two ports of the shaft hole, and a bearing for rotatably supporting the main shaft body is arranged in the shaft sleeve; an oil cavity which is arranged in the shaft sleeve and used for storing lubricating oil; the oil hole penetrates through the oil cavity to guide lubricating oil to the inner side of the bearing, the shaft sleeve is arranged as a main shaft installation and maintenance assembly, the lubricating oil is stored in the oil cavity in the shaft sleeve and is guided into the inner side of the main shaft bearing through the oil hole, the bearing is lubricated, the lubricating oil is effectively prevented from leaking out, the cleanliness of the surface of a machine tool is maintained, the oil cavity and the lubricating ring cavity can store certain lubricating oil, and the lubricating oil supply period is prolonged.

Description

Machine tool lubricating device

Technical Field

The utility model relates to the field of machine tool lubrication, in particular to a machine tool lubrication device.

Background

The lubrication system is a necessary structure for ensuring the normal operation of the machine tool, reduces the friction coefficient of mechanical parts, reduces the friction of parts, reduces the abrasion of the parts, prolongs the precision time of the parts, and prolongs the service life of equipment, while the main shaft of the machine tool is the part with the largest activity and is extremely important for the lubrication of the main shaft.

As shown in fig. 1, a main shaft of a machine tool is rotatably mounted at one end of a machine tool body, the main shaft is driven by a driving device to drive a workpiece to rotate, and processing work is performed in cooperation with the operation of a tool, while the main shaft of the machine tool is rotatably mounted by means of a bearing, and in order to maintain the long-time safe operation of the main shaft, the bearing part is required to be kept in a lubrication state all the time.

The rotating part of the main shaft of the traditional machine tool is lubricated, lubricating oil is added from the outside, the lubricating oil is permeated inwards by means of rotation of the bearing part, and the lubricating mode easily causes that the outside of the installation position of the main shaft is stained with a large amount of lubricating oil, so that the cleanliness of the surface of the machine tool is reduced, the lubricating maintenance period is shorter, and the labor intensity of the machine tool is increased.

Disclosure of Invention

The utility model aims to solve the following problems in the prior art: the rotating part of the main shaft of the traditional machine tool is lubricated, lubricating oil is added from the outside, the lubricating oil is permeated inwards by means of rotation of the bearing part, and the lubricating mode easily causes that the outside of the installation position of the main shaft is stained with a large amount of lubricating oil, so that the cleanliness of the surface of the machine tool is reduced, the lubricating maintenance period is shorter, and the labor intensity of the machine tool is increased.

In order to solve the problems existing in the prior art, the utility model provides a machine tool lubricating device, which comprises a shaft hole, wherein the shaft hole is used for penetrating a main shaft body; the shaft sleeve is arranged at two ports of the shaft hole, and a bearing for rotatably supporting the main shaft body is arranged in the shaft sleeve; an oil cavity which is arranged in the shaft sleeve and used for storing lubricating oil; the oil hole penetrates through the oil cavity to guide lubricating oil to the inner side of the bearing.

Preferably, the shaft sleeve comprises an outer ring sleeve and an inner ring sleeve, the inner ring sleeve is concentrically inserted into the outer ring sleeve from one end of the outer ring sleeve, the middle parts of the inner ring sleeve and the outer ring sleeve form a through cavity penetrating the main shaft body, and the oil cavity is positioned between the outer wall of the inner ring sleeve and the inner wall of the outer ring sleeve.

Preferably, a bearing ring cavity for accommodating the bearing is formed at one end of the through cavity of the inner ring sleeve, a lubrication ring cavity with the diameter between that of the bearing ring cavity and that of the through cavity is formed at the inner side of the bearing ring cavity, and the oil hole is positioned on the side wall of the lubrication ring cavity and is directed to the bearing.

Preferably, the oil cavity is arranged at the upper part of the inner ring sleeve, and the inner end of the oil cavity is bent downwards to the side edge of the lubricating ring cavity.

Preferably, the end part of the inner ring sleeve is fixed with a flange ring, the flange ring is connected with the end part of the shaft hole through a screw, and the end part of the outer ring sleeve is abutted against the flange ring.

Preferably, the surface of the flange ring is provided with a caulking groove, and the end part of the outer ring sleeve is inserted into the caulking groove in an adapting way.

Preferably, the surface of the flange ring is penetrated with a filler pipe, and the filler pipe penetrates through the oil cavity.

Preferably, the part of the oil cavity, which is positioned in the oil hole, is filled with permeable cotton.

Compared with the related art, the machine tool lubricating device provided by the utility model has the following beneficial effects:

the spindle sleeve is arranged as the spindle mounting and holding assembly, the lubricating oil is stored in the oil cavity in the spindle sleeve, the lubricating oil is led into the inner side of the spindle bearing through the oil hole, the bearing is lubricated, the lubricating oil is effectively prevented from leaking out, the cleanliness of the surface of a machine tool is maintained, the oil cavity and the lubricating ring cavity can store certain lubricating oil, and the supplying period of the lubricating oil is prolonged.

Drawings

FIG. 1 is a schematic diagram of a spindle assembly of a prior machine tool;

FIG. 2 is a schematic view of one of the shaft sleeve assembly positions according to the present utility model;

FIG. 3 is a second schematic view of the assembly position of the shaft sleeve according to the present utility model;

FIG. 4 is a schematic view of a bushing mounting structure of the present utility model;

FIG. 5 is a schematic view of the fit structure of the shaft sleeve and the main shaft body of the present utility model;

fig. 6 is a schematic view of the inner sleeve structure of the present utility model.

Reference numerals in the drawings: 1. a shaft sleeve; 11. an outer ring sleeve; 12. an inner ring sleeve; 13. a flange ring; 2. a main shaft body; 3. a shaft hole; 4. an oil chamber; 5. a filler pipe; 6. a bearing ring cavity; 7. a lubrication ring cavity; 8. penetrating cotton; 9. an oil hole; 10. and (5) caulking grooves.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Specific implementations of the utility model are described in detail below in connection with specific embodiments.

Example 1

As shown in fig. 2-6, a machine tool lubricating device is provided, wherein two groups of shaft sleeves 1 are encapsulated at two ends of a shaft hole 3 and are used for installing bearings to rotationally assemble a main shaft body 2;

the shaft sleeve 1 is composed of an outer ring sleeve 11 and an inner ring sleeve 12, the axial positions of the outer ring sleeve 11 and the inner ring sleeve 12 are provided with through cavities penetrating through the main shaft body 2, one end of each through cavity of the outer ring sleeve 11 is provided with a diameter-expanding part, the inner ring sleeve 12 is inserted into the diameter-expanding part of the outer ring sleeve 11, and the inner ring sleeve 12 is inserted into and connected with the tail part of the outer ring sleeve 11 by using screws, so that the outer ring sleeve 11 and the inner ring sleeve 12 are fixed into a whole, and a flange ring 13 is fixed at the end part of the inner ring sleeve 12;

the end part of the through cavity of the inner ring sleeve 12 is provided with an expanded bearing ring cavity 6 for mounting a bearing, the inner side of the bearing ring cavity 6 is provided with a lubrication ring cavity 7, and the diameter of the lubrication ring cavity 7 is between the diameters of the bearing ring cavity 6 and the through cavity;

an oil cavity 4 is formed in the outer portion of the inner ring sleeve 12, the axial section of the oil cavity 4 is L-shaped, the inner end of the oil cavity 4 is bent downwards to the side edge of the lubricating ring cavity 7, a plurality of oil holes 9 penetrating through the oil cavity 4 are formed in the end face of the lubricating ring cavity 7, the oil holes 9 point to the inner side of the bearing, and the oil injection pipe 5 penetrates through the flange ring 13 to be communicated with the oil cavity 4;

two groups of shaft sleeves 1 are respectively inserted into two ends of a shaft hole 3, flange rings 13 are attached to the end surfaces of the shaft hole 3 and are fixed through screws, two groups of bearings are respectively arranged in a bearing ring cavity 6, and a main shaft body 2 penetrates through the two groups of shaft sleeves 1 and is supported by the bearings in a rotating way;

the lubricating oil is added into the oil cavity 4 through the oil injection pipe 5, the lubricating oil is led into the lubricating annular cavity 7 through the oil hole 9, the lubricating oil in the lubricating annular cavity 7 is adhered to the inner side of the rotating bearing, the bearing is lubricated, the lubricating oil is effectively prevented from leaking out, the cleanliness of the surface of a machine tool is maintained, the oil cavity 4 and the lubricating annular cavity 7 can store certain lubricating oil, and the supplying period of the lubricating oil is prolonged;

as shown in fig. 6, the oil chamber 4 is arranged at the upper part of the inner ring sleeve 12, so that the lubricating oil of the oil outlet hole 9 has a falling stage, the sinking of the lubricating oil is avoided, and the contact efficiency of the lubricating oil and the bearing is improved;

as shown in fig. 5, a penetration cotton 8 is arranged in the oil cavity 4 to block the oil hole 9, so that the lubricating oil in the oil cavity 4 is discharged out of the oil hole 9 in a penetration manner, and the conduction period of the lubricating oil is prolonged;

as shown in fig. 6, the surface of the flange ring 13 is provided with a caulking groove 10, and the end part of the outer ring sleeve 11 is inserted into the caulking groove 10 in a matching way, so that the combination tightness of the outer ring sleeve 11 and the inner ring sleeve 12 is improved.

Claims

1. A machine tool lubrication device, comprising:

a shaft hole (3), wherein the shaft hole (3) is used for penetrating the main shaft body (2);

the shaft sleeve (1), the shaft sleeve (1) is arranged at two ports of the shaft hole (3), and a bearing for rotatably supporting the main shaft body (2) is arranged in the shaft sleeve (1);

an oil cavity (4), wherein the oil cavity (4) is arranged in the shaft sleeve (1) and is used for storing lubricating oil;

and the oil hole (9) penetrates through the oil cavity (4) to guide lubricating oil to the inner side of the bearing.

2. Machine tool lubrication device according to claim 1, characterized in that the sleeve (1) comprises an outer ring sleeve (11) and an inner ring sleeve (12), the inner ring sleeve (12) is concentrically inserted into the inner ring sleeve (11) from one end of the outer ring sleeve (11), the middle parts of the inner ring sleeve (12) and the outer ring sleeve (11) form a through cavity penetrating the main shaft body (2), and the oil cavity (4) is located between the outer wall of the inner ring sleeve (12) and the inner wall of the outer ring sleeve (11).

3. Machine tool lubrication device according to claim 2, characterized in that a bearing ring cavity (6) for accommodating a bearing is arranged at one end of the through cavity of the inner ring sleeve (12), a lubrication ring cavity (7) with the diameter between the bearing ring cavity (6) and the through cavity is arranged at the inner side of the bearing ring cavity (6), and the oil hole (9) is positioned on the side wall of the lubrication ring cavity (7) and is directed to the bearing.

4. A machine tool lubrication device according to claim 3, characterized in that the oil chamber (4) is placed in the upper part of the inner ring sleeve (12), the inner end of the oil chamber (4) being bent down to the side of the lubrication ring chamber (7).

5. Machine tool lubrication device according to claim 2, characterized in that the end of the inner collar (12) is fixed with a flange ring (13), the flange ring (13) is connected to the end of the shaft hole (3) by means of screws, and the end of the outer collar (11) abuts against the flange ring (13).

6. Machine tool lubrication device according to claim 5, characterized in that the surface of the flange ring (13) is provided with a caulking groove (10), the end of the outer ring sleeve (11) being adapted to be inserted into the caulking groove (10).

7. Machine tool lubrication device according to claim 5, characterized in that the surface of the flange ring (13) is penetrated by a filler pipe (5), the filler pipe (5) penetrating the oil chamber (4).

8. Machine tool lubrication device according to claim 1, characterized in that the part of the oil chamber (4) located in the oil hole (9) is filled with penetration cotton (8).