CN214837908U - Oil leakage prevention bearing sleeve for main shaft of spark machine - Google Patents

Abstract

The utility model discloses an oil leakage prevention bearing housing for spark machine main shaft, including the bearing housing body, the bearing housing body is equipped with the shaft hole that is used for the bearing of erection joint spark machine Z axle, the shaft hole top has the toper reaming that the orientation enlarges, the shaft hole bottom has the step that is used for bearing. The utility model relates to an oil leakage prevention bearing housing for spark machine main shaft installs on the spark machine, and the cooperation bearing is in order to install the spark machine main shaft, through the shaft hole top sets up taper hole, when can preventing that the main shaft from adding lubricating oil, avoids lubricating oil to spill over and lead to the oil leak, and taper hole can regard as the bearing area of temporary storage lubricating oil, and the main shaft rotates the function in-process, can drive the lubricating oil that stores on taper hole and flow and carry out lubrication treatment to the main shaft.

Description

Oil leakage prevention bearing sleeve for main shaft of spark machine

Technical Field

The utility model relates to an electrical discharge machining technical field, concretely relates to leak protection oil bearing cover for spark machine main shaft.

Background

A spark machine (EDM for short, electric Discharge Machining) is a Machining device, and is mainly used for electric Discharge Machining. The method is widely applied to the manufacture of various metal dies and mechanical equipment. It is a special processing method for corroding and removing conductive material by using the electric corrosion action generated when pulse discharge is generated between two electrodes immersed in working liquid, also called as electric discharge processing or electric corrosion processing.

The spark machine is equipped with vertical main shaft and is used for controlling the lift of spark aircraft nose, need add lubricating oil to the main shaft of motion during the use and lubricate, and current oiling generally directly adds on the bearing housing of installation main shaft, makes lubricating oil directly spill over easily and leaks, and extravagant lubricating oil still influences lubricated effect.

Disclosure of Invention

The utility model aims at providing a leak protection oil bearing housing for spark machine main shaft, avoid lubricating oil to spill over and lead to the oil leak.

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

the utility model provides an oil leakage prevention bearing housing for spark machine main shaft, includes the bearing housing body, the bearing housing body is equipped with the shaft hole that is used for the bearing of erection joint spark machine Z axle, the shaft hole top has towards the enlarged taper hole reaming of expanding, the shaft hole bottom has the ladder portion that is used for bearing.

Further, the bearing sleeve body is cylindrical.

Furthermore, the top surface of the bearing sleeve body is provided with a positioning hole for connecting a frame of the spark machine.

Furthermore, the number of the positioning holes is more than two, and the positioning holes are circumferentially arrayed along the axial lead of the shaft hole.

Furthermore, the positioning hole is a stepped hole and vertically penetrates through the bearing sleeve body.

Further, the bearing sleeve body outer wall is provided with an oil supply hole communicated with the shaft hole.

Further, the oil supply hole is connected to the countersink.

Furthermore, the port caliber of the oil supply hole positioned on the outer side of the bearing sleeve body is larger than or equal to the port caliber positioned in the shaft hole.

Further, the taper of the countersink is 1/1-5/1.

Further, the outer side edge of the top surface of the bearing sleeve body is provided with a chamfer.

The utility model discloses following beneficial effect has:

the utility model relates to an oil leakage prevention bearing housing for spark machine main shaft installs on the spark machine, and the cooperation bearing is in order to install the spark machine main shaft, through the shaft hole top sets up taper hole, when can preventing that the main shaft from adding lubricating oil, avoids lubricating oil to spill over and lead to the oil leak, and taper hole can regard as the bearing area of temporary storage lubricating oil, and the main shaft rotates the function in-process, can drive the lubricating oil that stores on taper hole and flow and carry out lubrication treatment to the main shaft.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic perspective view of another angle of the present invention;

fig. 3 is a schematic top view of the present invention;

in the figure: 1. a bearing housing body; 2. a shaft hole; 3. carrying out taper hole expansion; 4. a step portion; 5. positioning holes; 6. an oil supply hole; 7. and (6) chamfering.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

As shown in fig. 1-3 the utility model relates to an oil leakage prevention bearing housing for spark machine main shaft, including bearing housing body 1, bearing housing body 1 is equipped with the shaft hole 2 that is used for the bearing of erection joint spark machine Z axle, 2 tops in shaft hole have the toper reaming 3 that the orientation enlarges, 2 bottoms in shaft hole have the ladder portion 4 that is used for bearing.

The utility model discloses install on the spark machine, the cooperation bearing is with installation spark machine main shaft, wherein, 2 cooperation step portions 4 in shaft hole are used for the bearing of erection joint main shaft, 2 tops in shaft hole set up taper reaming 3 when can preventing that the main shaft from adding lubricating oil, avoid lubricating oil to spill over and lead to the oil leak, taper reaming 3 can regard as the bearing area of temporary storage lubricating oil, and the main shaft rotates the function in-process, can drive the lubricating oil of storing on taper reaming 3 and flow and carry out lubrication treatment to the main shaft.

In addition, while the step portion 4 is provided for bearing, the opening inside the step portion 4 can limit the output direction of the lubricant, so as to ensure that the lubricant can be conveyed downwards along the main shaft, and prevent the lubricant from directly dripping from the bottom of the bearing sleeve body 1.

Preferably, the bearing housing body 1 has a cylindrical shape, so as to enhance the structural strength of the bearing housing body 1.

Preferably, the top surface of the bearing sleeve body 1 is provided with a positioning hole 5 for connecting a frame of the spark machine, and specifically, the bearing sleeve is fixed on the frame of the spark machine through the positioning hole 5 in cooperation with a bolt or a bolt.

Preferably, the number of the positioning holes 5 is two or more, and the positioning holes are circumferentially arrayed along the axial line of the shaft hole 2, and in the embodiment, the number of the positioning holes is three, so that the bearing sleeve body 1 can be stably installed, and the installation position is accurate.

Preferably, the positioning hole 5 is a stepped hole and vertically penetrates through the bearing sleeve body 1, and the stepped hole is arranged for installation, so that the end of a bolt or a bolt arranged in the positioning hole 5 is not exposed out of the bearing sleeve body 1, and the bolt or the bolt is prevented from interfering with the operation of a driver of the spindle.

Preferably, the outer wall of the bearing sleeve body 1 is provided with an oil supply hole 6 communicated with the inside of the shaft hole 2; when the lubricating oil lubricating device is actually used, lubricating oil is injected into the bearing sleeve body 1 through the oil supply hole 6, the lubricating oil can directly lubricate the top of the main shaft and flows downwards along the main shaft to lubricate the whole main shaft.

Preferably, the oil supply hole 6 is connected to the tapered counterbore 3, so that the lubricating oil can be stored in the tapered counterbore 3 to lubricate the main shaft, and the direct splashing of the lubricating oil caused by the overlarge oil pressure of the oil supply due to the undersize contact gap is avoided.

Preferably, the port caliber of the oil supply hole 6 positioned at the outer side of the bearing sleeve body 1 is larger than or equal to the port caliber positioned in the shaft hole 2, so that lubricating oil can be stably fed.

Preferably, the taper of the countersink 3 is 1/1-5/1, preferably 3/1 in this embodiment, to contain sufficient oil and prevent oil from escaping.

Preferably, the outer edge of the top surface of the bearing sleeve body 1 is provided with a chamfer 7, so that the bearing sleeve body 1 is prevented from wearing other components when being installed.

To sum up, the utility model relates to an oil leakage prevention bearing housing for spark machine main shaft installs on the spark machine, and the cooperation bearing is in order to install the spark machine main shaft, through 2 tops in shaft hole set up taper hole 3, when can preventing that the main shaft from adding lubricating oil, avoid lubricating oil to spill over and lead to the oil leak, and taper hole 3 can regard as the bearing area of temporary storage lubricating oil, and the main shaft rotates the function in-process, can drive the lubricating oil that stores on taper hole 3 and flow and carry out lubrication treatment to the main shaft.

Various other changes and modifications may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such changes and modifications should fall within the scope of the present invention.

Claims (10)

1. An oil leakage prevention bearing sleeve for a main shaft of a spark machine is characterized in that: including bearing housing body (1), bearing housing body (1) is equipped with shaft hole (2) that are used for the bearing of erection joint spark machine Z axle, shaft hole (2) top has towards enlarged taper hole reaming (3), shaft hole (2) bottom has step (4) that are used for bearing.

2. An oil leakage preventing bearing bush for a main shaft of a spark machine as claimed in claim 1, wherein: the bearing sleeve body (1) is cylindrical.

3. An oil leakage preventing bearing bush for a main shaft of a spark machine as claimed in claim 1, wherein: the top surface of the bearing sleeve body (1) is provided with a positioning hole (5) used for connecting a frame of a spark machine.

4. An oil leakage preventing bearing bush for a main shaft of a spark machine as claimed in claim 3, wherein: the number of the positioning holes (5) is more than two, and the positioning holes are circumferentially arrayed along the axial lead of the shaft hole (2).

5. An oil leakage preventing bearing bush for a main shaft of a spark machine as claimed in claim 3, wherein: the positioning hole (5) is a stepped hole and vertically penetrates through the bearing sleeve body (1).

6. An oil leakage preventing bearing bush for a main shaft of a spark machine as claimed in claim 1, wherein: the bearing sleeve body (1) outer wall has the oil feed hole (6) that communicates in shaft hole (2).

7. An oil leakage preventing bearing bush for a main shaft of a spark machine as claimed in claim 6, wherein: the oil supply hole (6) is connected with the taper reaming hole (3).

8. An oil leakage preventing bearing bush for a main shaft of a spark machine as claimed in claim 6, wherein: the port caliber of the oil supply hole (6) positioned at the outer side of the bearing sleeve body (1) is larger than or equal to the port caliber positioned in the shaft hole (2).

9. An oil leakage preventing bearing bush for a main shaft of a spark machine as claimed in claim 1, wherein: the taper of the taper reaming (3) is 1/1-5/1.

10. An oil leakage preventing bearing bush for a main shaft of a spark machine as claimed in claim 1, wherein: the outer side edge of the top surface of the bearing sleeve body (1) is provided with a chamfer (7).

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