JPS5827191Y2 - Spindle oiling device - Google Patents

Description

[Detailed Description of the Invention] This invention relates to an automatic oil supply device for a spindle of a rolling mill, etc., which supplies lubricating oil to a universal coupling portion of a spindle of a rolling mill, etc.

In a rolling mill, the rotation of a driving shaft driven by a main motor is divided by a gear system into a pair of driving shafts, and transmitted to the rolls via a universal coupling section, a spindle, and a universal coupling section. It is necessary to supply lubricating oil to the inside of each universal coupling part, and for this purpose, an oil supply device is attached to the outer periphery of the spindle.

An example of this type of oil supply device is the one disclosed in Japanese Utility Model Application Publication No. 52-142928, which does not have a lubricating oil passage connecting the oil supply part and the universal coupling part and an annular groove for mounting on the spindle. However, there were many drawbacks such as the spindle processing work being troublesome and the product being expensive.

This invention eliminates the above-mentioned drawbacks of the conventional rolling mill, allows easy processing of the spindle, is easy to install, extends the life of the slipper metal, and improves productivity. The object of the present invention is to provide an automatic oil supply device for spindles such as the above.

This invention will be explained with reference to embodiments shown in the drawings.

As shown in FIGS. 1 to 5, 1 is an automatic oil supply device for a rolling mill spindle, and this oil supply device 1 is attached to a rolling mill (not shown).
are respectively attached to a pair of upper and lower spindles 2, 2'.

In the oil supply device 1 attached to the upper spindle 2, a rotary ring member 6 is fixed via a key 5 to a key groove 4 provided along the axial direction in the oil supply device mounting portion 3 of the spindle 2.

An annular recess 7 is formed on the outer periphery of the rotating ring member 6, and an annular groove 9 for passing oil is formed in the bottom 8 of the recess 7.
is formed.

The annular groove 9 of the rotary ring member 6 is further provided with a plurality of communication holes 10 oriented in the axial direction and opened at the side of the rotary ring member 6, and each opening of the communication hole 10 is provided with a universal coupling. Communication path 3 communicating with section 11
6 and a connecting pipe 12, and the lubricating oil supplied to the annular groove 9 of the rotary ring member 6 is transferred to the universal coupling part 11 through the communicating pipe 12 and the communicating path 36.
It is designed to be supplied to

The rotating ring member 6 can be divided into a pair of parts at opposing positions, and screw holes 14, 14 are provided in both the divided parts 13, 13'.
' and taper holes 15, 15' are provided, respectively.
Tapered bolts 16 are inserted and fixed into the tapered holes 15° and 15', and bolts 16' are screwed into the screw holes 14 and 14' to fix the two divided parts 13 and 13', respectively. This constitutes a rotating ring member 6.

Further, a guide ring member 17 made of gunmetal is fitted into the annular groove 9 of the rotating ring member 6, and a semicircular annular groove 18 is formed on the outer periphery of the guide link member 17. A plurality of through holes 19 are radially provided at the bottom of the annular groove 18 and communicate with the annular groove 9 of the rotating ring member 6.

The guide ring member 17 is also connected to the rotating ring member 6.
Similarly, it is divided into two parts, and these divided parts are inserted in their "IT" state without being connected.

Further, a fixing ring member 20 is attached to the outer peripheral portion of the guide ring member 17, and this fixing ring member 2
Similarly to the rotating ring member 6 and the guide ring member 17, the ring member 0 is also formed into two parts.

This fixed ring member 200 divided part 21° 21' has screw holes 22, 22', and the two divided parts are fixed via screws 23, 23' to form the fixed ring member 20. There is.

A pair of through holes 24 and 24' are provided at opposite positions of the fixed ring member 20, and hoses 26 and 26' each having one end connected to a grease distributing valve (not shown) are inserted into the through holes 24 and 24'. the other end is connected.

In the above embodiment, the rotating ring member 6 and the guide ring member 17 are provided with annular grooves 9 and 18, but the present invention is not limited to this. It is no longer the case that something similar to the above can be obtained by providing an annular groove on at least one of the sliding surfaces of the ring member 20.

Further, a space 28 is formed between the rotating ring member 6 and the fixed ring member 20 via a VIJ ring member 27, and the lubricating oil leaking from the guide ring member 17 is absorbed by the V ring member 27. It flows into the space 28 and accumulates therein.

The fixing ring member 20 is provided with four mounting fittings 29 diagonally, and each of the mounting fittings 29 is connected via a spring 32 to a turnbuckle 31 attached to a support 30, 30'. ing.

When the spindles 2, 2' swing vertically and horizontally during use, they can be adjusted to hold the device.

spindle support in the case of the one above the above-mentioned support)
33 and 33', respectively, and the lower one is attached to the columns 34 and 34' via transverse members 35 and 35', respectively.

Rotating ring member 6 and guide ring member 1 of this oil supply device
1 and the fixed ring member 20 are shown as having a half-split structure so that they can be attached to and detached from an existing spindle, but the structure is not limited to this and can be divided into an appropriate number. be.

Further, the lower part of the oil supply device is the same as the above-mentioned upper part, and this is made by attaching the supports 30, 30' to which the fixing ring member 20 is attached to the horizontal members 35, 35'.
They are different from the upper one in that they are attached through the .

Note that although the above embodiment describes a case in which lubricating oil is supplied to the universal coupling part of a rolling mill, the present invention is not limited to this, and can be similarly used for universal coupling parts other than rolling mills. Says! not.

Next, the operation of the above will be explained.

The oil supply device 1, 1' attached to the mounting part 3, 3' of the spindle 2, 2' supplies lubricating oil such as grease into a pair of hoses 26, 26' connected to this via a distribution valve. The pair of hoses 26, 26' feed into the upper and lower through holes 24 of the fixed ring member 200, and then the through holes 24 of the fixed ring member 200 feed into the annular groove 18 formed on the outer peripheral surface of the guide ring member 17. The lubricating oil such as grease that has entered the annular groove 18 of this guide ring member 17 further flows through the plurality of through holes 1 provided in this guide ring member 1T.
9 into an annular groove 9 provided in the bottom 8 of the recess 7 of the rotating ring member 6.

A communication pipe 12 is inserted from inside this annular groove 9 through a plurality of communication holes 10 provided in the same direction as the axial direction of the spindles 2 and 2'.
The lubricating oil supplied into the communication pipe 12 is supplied to the universal coupling portion 11 through lubricating oil passages 36 provided in the spindles 2 and 2'.

The lubricating oil passing through the lubricating oil passages 36, 36' is applied to the spindles 2, 2' and the slipper metals 37, 37'.
The lubricating oil is supplied to the sliding surface of the slipper metal 37, 37' through the grooves 38, 38'.
, 39', and is supplied to the sliding surface of the slipper meta #37, 37' and the other spindle semicircular portion 40° 40' via grooves 41, 41'. , 4' to the mounting hinges 42, 42'.

On the other hand, the lubricating oil that has splattered on the guide ring member 17 flows into a space 28 formed between the rotating ring member 6 and the stationary ring member 20 via the V-ring member 27 and accumulates therein.

Since this invention is constructed as described above, it can be easily attached to the mounting part of the spindle, and there is no need to provide a lubricating oil passage in the axis of the spindle between the mounting part and the universal coupling part. In addition, there is no need to provide an annular groove for attaching the oil supply device to the spindle, making the processing work of the spindle very simple, and furthermore, the strength of the spindle is not reduced.

In addition, since a space is provided between the rotating ring member and the stationary ring member, lubricating oil such as grease leaking from the guide ring member can be collected in this space, preventing oil leakage to the outside of the oil supply device. In addition to being economical and capable of withstanding long-term use, the rotating ring member, guide ring member, and stationary ring member are each divided into multiple parts, making it possible to replace existing spindles. It can be attached and detached at will.

Moreover, since the refueling device is supported using a biasing member,
It can be manufactured using inexpensive steel plates without using light alloys.

In addition, since the number of parts used is small, the structure is simple, and products with few failures can be supplied at low cost.

[Brief explanation of drawings]

Fig. 1 is a partially cutaway front view showing the state in which the oil supply device is attached to the spindle of a rolling mill, Fig. 2 is a longitudinal cross-sectional side view taken along the line ■-■ in Fig. 1, and Fig. 3 is the Fig. 4 is an enlarged side view of the rotating ring member, guide ring member, and fixed ring member; Fig. 5 is an enlarged cross-sectional view taken from Fig. 3 along line -■; VI- in Figure 1
It is a longitudinal side view taken along the VI line. 1... Oil supply device, 2... Spindle,
3...Mounting part, 4...Keyway, 5...
...Key, 6...Rotating ring member, 7...
...Concavity, 9...Annular groove, 10...
・Communication hole, 12...Communication pipe, 16...
Tapered bolt, 17... Guide ring member,
18...Annular groove, 20...Fixing ring member, 23...Screw, 26...Hose, 27...V ring member, 30...Support, 31...Turnbuckle, 34...
...Strut.

Claims (1)

[Claims for Utility Model Registration] ■ A rotating ring member having an outlet on the side is fixed to the outer periphery of the spindle, and the outer periphery of the rotating ring member is
Fixing ring members held in a machine frame so as not to rotate and having an inlet on the outer periphery are slidably fitted together,
A spindle characterized in that the inlet of the fixed ring member and the outlet of the rotating ring member are connected through a passage, and the outlet of the rotating ring member and the universal coupling part are connected through a communication pipe. refueling device. 2. The spindle oil supply device according to claim 1, wherein the fixing ring member is attached to the machine frame via a biasing member.