JPH0674252U - Lubricating oil supply device to sliding surface - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a novel lubricating oil supply device that prevents a table from rising by absorbing a rapid pressure increase during the supply of lubricating oil by providing a chamber in the flat sliding surface. With the goal. [Constitution] A chamber C is provided at an appropriate position where it communicates with the inside of the flat sliding surface 11, and the inside of this chamber or the inside of the flat sliding surface and the lubricating pump P are communicated with each other, and lubricating oil is introduced into the chamber or inside the flat sliding surface. The lubricating oil supply device 20 is intermittently supplied.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an improvement of a lubricating oil supply device for a flat sliding surface of a machine tool, for example.

[0002]

[Prior art and problems]

 Conventionally, a lubricating oil supply device for a flat sliding surface of a machine tool supplies the lubricating oil to the flat sliding surface by the action of an intermittently operating lubricating pump. When the lubricating oil is pressure-fed to the flat sliding surface, the hydraulic pressure in the flat sliding surface rises to raise the table, and the distance between the sliding surface and the cutter is delicate during machining of the workpiece placed on the table. The cutter mark will be generated on the work surface.

Therefore, as a measure for preventing the floating of the table, a method of exposing the oil groove to the outside is generally used, but a part of the lubricating oil leaks to the outside, and wasteful consumption cannot be avoided. In addition, it is necessary to collect exposed lubricant and its equipment.

[0004]

[Problems and Objectives to be Solved by the Invention]

 The present invention has been made in view of the above-mentioned conventional problems, and an object thereof is to solve the problems.By providing a chamber in the flat sliding surface of the flat plate, the sudden pressure increase at the time of supplying the lubricating oil is absorbed, and the floating of the table is prevented. It is an object of the present invention to provide a novel lubricating oil supply device that prevents the above.

[0005]

[Means for Solving the Problems]

 According to the present invention, a chamber is provided at an appropriate position to communicate with the flat sliding surface, and the chamber or the flat sliding surface is communicated with the lubrication pump, so that the lubricating oil is provided in the chamber or the flat sliding surface. This is a lubricating oil supply device for sliding surfaces, which is characterized by intermittent supply.

[0006]

[Action]

 The present invention absorbs a sudden pressure rise at the time of supplying the lubricating oil to prevent the floating by providing a chamber at an appropriate position that communicates with the inside of the flat sliding surface, and also provides a time constant for the supply time for each shot. By giving, it becomes a state close to continuous lubrication even though it is intermittent lubrication, so good lubrication can be obtained.

[0007]

【Example】

 Hereinafter, an example shown in the drawings will be described. FIG. 1 is a partially enlarged sectional view of a flat sliding surface showing a conventional lubricating oil supplying device for a sliding surface, and FIG. 2 is an example of a flat sliding surface showing various lubricating oil supplying devices of the present invention. FIG.

FIG. 1 is a flat sliding surface showing a lubricating oil supply device 10 for a sliding surface of a conventional example, in which an upper surface (sliding surface) 1A of a fixed side 1 which is a machine body is attached to a sliding side table 2 And the lower surface (sliding surface) 2A forms a flat sliding surface 11. A lubrication pump P communicates with the flat sliding surface 11 via a pipe P1. When the lubricating pump P intermittently supplies the lubricating oil through the pipe P1, the lubricating oil is press-fitted into the flat sliding surface 11, and the table 2 on the sliding side is lifted by the supplied pressure. As a result, the distance from the cutter is delicately shortened when machining the workpiece placed on the table, and the cutter mark is generated on the workpiece machining surface.

FIG. 2 shows four lubricating oil supply devices 20 of the present invention. In the embodiment of FIG. 2A, a chamber C is provided in the table 2 at an appropriate position for communicating with the flat sliding surface 11. A lubricating oil supply device configured to connect the inside of the chamber and the lubricating pump P by a pipe P1 and intermittently supply the lubricating oil into the chamber. Then, a sudden pressure increase in the flat sliding surface 11 at the time of supplying the lubricating oil by the lubricating pump P is absorbed in the chamber to prevent the table from floating.

Further, in the embodiment of FIG. 2B, a chamber C is provided in the table 2 at an appropriate position for communicating with the inside of the flat sliding surface 11, and the inside of the flat sliding surface 11 and the lubricating pump P are arranged. This is a lubricating oil supply device 20 which is connected by a pipe P1 and which intermittently directly supplies the lubricating oil into the flat sliding surface. Then, when an attempt is made to generate a sudden pressure increase in the flat slide surface 11 when the lubricating oil is supplied by the lubrication pump P, the pressure escapes into the chamber and is absorbed to prevent the table from floating.

Further, in the embodiment shown in FIG. 2C, a chamber C is provided in the table 2 at an appropriate position for communicating with the flat sliding surface 11, and the chamber C and the lubricating pump P are connected by a pipe P 1. In addition to the communication, this is the lubricating oil supply device 20 in which the inside of this chamber is opened and communicated with the pipe P2. Then, when an attempt is made to generate a sudden pressure increase in the flat sliding surface 11 when the lubricating oil is supplied by the lubrication pump P, the pressure is absorbed in the chamber C and escapes to the outside air, Prevent the table from rising.

In the embodiment shown in FIG. 2D, a chamber C is provided in the table 2 at an appropriate position for communicating with the inside of the flat sliding surface 11, and the inside of the flat sliding surface 11 and the lubricating pump P are piped. It is the lubricating oil supply device 20 that communicates with P1 and opens the interior of this chamber to the outside through a pipe P2. Then, when an attempt is made to generate a sudden pressure increase in the flat sliding surface 11 when the lubricating oil is supplied by the lubrication pump P, the pressure is absorbed in the chamber C and escapes to the outside air, Prevent the table from rising.

It is needless to say that the present invention is not limited to the above-described embodiment, and design changes can be made within the scope of the invention.

[0014]

【effect】

 According to the present invention, since the chamber is provided at an appropriate position to communicate with at least the inside of the flat sliding surface as described above, the chamber absorbs a sudden pressure increase at the time of supplying the lubricating oil to prevent the chamber from rising, and at the same time for each shot. By giving a time constant to the oil supply time, it is possible to obtain a good lubrication condition and a highly accurate work surface, because the condition is similar to continuous lubrication even though it is intermittent lubrication.

[Brief description of drawings]

FIG. 1 is a partially enlarged sectional view of a flat sliding surface showing a lubricating oil supply device for a sliding surface of a conventional example.

FIG. 2 is a partially enlarged sectional view of a flat sliding surface showing various lubricating oil supply devices of the present invention.

[Explanation of symbols]

 1 Fixed side 1A Upper surface 2 Table 2A Lower surface 11 Flat sliding surface 20 Lubricating oil supply device C Chamber P1 Piping P2 Piping P Lubrication pump

Claims (4)

[Scope of utility model registration request] 1. A sliding surface, characterized in that a chamber is provided at an appropriate position for communicating with the inside of the flat sliding surface, the inside of the chamber is connected with a lubricating pump, and lubricating oil is intermittently supplied into the chamber. Lubricating oil supply device. 2. A chamber is provided at an appropriate position communicating with the flat sliding surface, the flat sliding surface is connected to the lubricating pump, and lubricating oil is intermittently supplied into the flat sliding surface. Lubricating oil supply device for sliding surfaces. 3. A chamber is provided at an appropriate position to communicate with the inside of the flat sliding surface, the inside of the chamber is opened to the outside air, the lubricating pump is also communicated with, and lubricating oil is intermittently supplied into the chamber. Lubricating oil supply device for sliding surfaces. 4. A chamber is provided at an appropriate position for communicating with the inside of the flat sliding surface, the inside of the chamber is opened to the outside air, and the inside of the flat sliding surface is connected with a lubricating pump to supply lubricating oil to the flat sliding surface. Lubricating oil supply device for sliding surfaces characterized by intermittent supply inside.