CN210731867U

CN210731867U - Machine tool spindle oiling cooling device

Info

Publication number: CN210731867U
Application number: CN201921394400.XU
Authority: CN
Inventors: 张文菊
Original assignee: Shaoxing Donglian Iron Can Co Ltd
Current assignee: Shaoxing Donglian Iron Can Co Ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-06-12
Anticipated expiration: 2029-08-26

Abstract

The utility model relates to a machine tool main shaft oiling cooling device, which comprises a machine tool body, a driving machine, a driving part, a machine tool main shaft, a bearing, an oil pump, an oil tank, a generator, an oil pipe, a first high-pressure oil cavity and an oil guide port, wherein the machine tool main shaft is connected inside the machine tool body through the bearing rotation, the output end of the driving machine is connected with the machine tool main shaft through the driving part, the oil pump is positioned inside the oil tank, a rotating cavity of the machine tool main shaft is connected with an oil inlet of the first high-pressure oil cavity through the oil guide port, the first high-pressure oil cavity comprises a first lifting spring, a first pressure relief port and a first piston plate, the first piston plate is connected on the inner wall of the first high-pressure oil cavity in a sliding way, the first piston plate is closely connected with the opposite surface of the first piston plate of the first high-pressure oil cavity through the first lifting, and the heat energy absorbed by the oil is utilized by doing work.

Description

Machine tool spindle oiling cooling device

Technical Field

The utility model relates to a machine tool machining equipment field specifically is a lathe main shaft oiling cooling device.

Background

Machine tools are machines for manufacturing machines, also called machine tools or machine tools, which are conventionally referred to as machine tools for short. Generally, the machining method is divided into a metal cutting machine, a forging machine, a woodworking machine and the like. In modern machine manufacturing, a plurality of methods for machining mechanical parts comprise cutting machining, casting, forging, welding, stamping, extruding and the like, but all parts with higher precision requirements and finer surface roughness requirements are generally subjected to final machining by a cutting method on a machine tool. The machine tool plays an important role in the construction of national economy modernization. A lathe is a machine tool for turning a rotating workpiece mainly with a lathe tool.

In the prior art, a main shaft rotates continuously, the temperature of the main shaft rises sharply, on one hand, heat loss can be carried out on equipment parts, on the other hand, the surface temperature is too high, and the transmission efficiency of the main shaft can be reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lathe main shaft oiling cooling device to solve the problem that proposes in the above-mentioned background art, the utility model discloses convenient to use, easy operation, systematic height, the practicality is strong.

In order to achieve the above object, the utility model provides a following technical scheme: a machine tool spindle oiling and cooling device comprises a device main body and a cooling power generation mechanism, wherein the device main body comprises a machine tool body, a driving machine, a transmission part, a machine tool spindle and a bearing, the machine tool spindle is rotatably connected inside the machine tool body through the bearing, the output end of the driving machine is in transmission connection with the machine tool spindle through the transmission part, and the cooling power generation mechanism comprises an oil pump, an oil tank, a power generator, an oil pipe, a first high-pressure oil cavity and an oil guide port; the oil tank is fixed on the machine tool body, the oil pump is located inside the oil tank, the output tube of the oil pump is connected with the cavity internal connection of machine tool main shaft rotation in the machine tool body, the cavity of machine tool main shaft rotation is connected with the oil inlet of a first high-pressure oil cavity through an oil guide port, the first high-pressure oil cavity comprises a first lifting spring, a first pressure relief port and a first piston plate, the first piston plate is connected to the inner wall of the first high-pressure oil cavity in a sliding mode, the first piston plate is closely connected with the opposite surface of the first piston plate of the first high-pressure oil cavity through the first lifting spring, the first pressure relief port is connected with the oil inlet of the generator through an oil pipe, and the oil outlet of the generator is.

Preferably, the oil guide port comprises a filter screen; the filter screen is arranged inside the oil guide port.

Preferably, the first lifting springs are arranged on the piston plate opposite surfaces of the first piston plate and the first high-pressure oil chamber at equal intervals.

Preferably, the cooling power generation mechanism further comprises an overflow port and a second high-pressure oil chamber; the first high-pressure oil cavity is connected with the inside of a second high-pressure oil cavity through an overflow port, and the second high-pressure oil cavity comprises a second lifting spring, a second pressure relief port and a second piston plate; the second piston plate is connected to the inner wall of the second high-pressure oil cavity in a sliding mode, the second piston plate is connected to the corresponding inner wall of the second piston plate in the second high-pressure oil cavity through a second lifting spring, and the second high-pressure oil cavity is connected with an oil inlet of the generator through a second pressure relief opening.

More preferably, the oil inlet, the overflow port, the first pressure relief port and the second pressure relief port are all provided with one-way valves.

Compared with the prior art, the beneficial effects of the utility model are that: 1. the utility model utilizes cold oil to cool the machine tool spindle and simultaneously utilizes the heat energy absorbed by the oil to do work through the oil pump, the oil tank, the generator, the oil pipe, the first high-pressure oil cavity and the oil guide port; 2. the utility model discloses an overflow mouth and second high-pressure oil pocket protect first high-pressure oil pocket, and it is too big to place the negative pressure, leads to the valve impaired, and whole flow is paralysed.

Drawings

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

fig. 2 is a schematic structural view of a first high-pressure oil chamber in the present invention;

fig. 3 is a schematic structural view of the second high-pressure oil chamber of the present invention.

In the reference symbols: 1. a machine tool body; 2. a driver; 3. a transmission member; 4. a machine tool spindle; 5. an oil pump; 6. an oil tank; 7. a generator; 8. an oil pipe; 9. a first high pressure oil chamber; 10. an oil guide port; 11. a filter screen; 12. a bearing; 13. a second high pressure oil chamber; 91. a first lift spring; 92. a first pressure relief port; 93. a first piston plate; 94. an oil inlet; 95. an overflow port; 131. a second lift spring; 132. a second pressure relief vent; 133. a second piston plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a machine tool spindle oiling cooling device comprises a device main body and a cooling generator 7 mechanism, wherein the device main body comprises a machine tool body 1, a driving machine 2, a transmission part 3, a machine tool spindle 4 and a bearing 12, the machine tool spindle 4 is rotatably connected inside the machine tool body 1 through the bearing 12, the output end of the driving machine 2 is in transmission connection with the machine tool spindle 4 through the transmission part 3, and the cooling generator 7 mechanism comprises an oil pump 5, an oil tank 6, a generator 7, an oil pipe 8, a first high-pressure oil cavity 9 and an oil guide port 10; the oil tank 6 is fixed on the machine tool body 1, the oil pump 5 is located inside the oil tank 6, an output pipe of the oil pump 5 is connected with the inside of a rotating cavity of the machine tool main shaft 4 in the machine tool body 1, the rotating cavity of the machine tool main shaft 4 is connected with an oil inlet of a first high-pressure oil cavity 9 through an oil guide port 10, the first high-pressure oil cavity 9 comprises a first lifting spring 91, a first pressure relief port 92 and a first piston plate 93, the first piston plate 93 is connected to the inner wall of the first high-pressure oil cavity 9 in a sliding mode, the first piston plate 93 is tightly connected with the opposite surface of the first piston plate 93 of the first high-pressure oil cavity 9 through the first lifting spring 91, the first pressure relief port 92 is connected with an oil inlet of the generator 7 through an oil pipe 8, and an oil outlet of the generator 7;

the oil guide port 10 comprises a filter screen 11; the filter screen 11 is arranged inside the oil guide port 10;

the first lifting springs 91 are arranged in a plurality, and the first lifting springs 91 are equidistantly arranged on the first piston plate 93 and the piston plate opposite surface of the first high-pressure oil chamber 9;

the utility model discloses at the during operation: cold oil in an oil tank 6 is injected into a space where a machine tool spindle 4 in a machine tool body 1 is located by using an oil pump 5, the cold oil cools the machine tool spindle 4, the cold oil is filtered by a filter screen 11 and then enters an oil guide port 10, the cold oil enters a first high-pressure oil cavity 9 through an oil inlet and pushes a first piston plate 93 to slide towards the direction of deforming a first lifting spring 91, the first piston plate 93 gradually opens a first pressure relief port 92, the oil absorbing heat is discharged from the first pressure relief port 92 and enters a generator 7 through the oil inlet of the generator 7, and an impeller of the generator 7 is driven to rotate to generate electricity to supply power to the machine tool, which is the prior art;

the oil which has done work is pumped back by the oil pump 5 for recycling.

Example two

As a preferable scheme of the first embodiment, referring to fig. 3, the cooling generator 7 further includes an overflow port 95 and a second high-pressure oil chamber 13; the first high-pressure oil chamber 9 is connected with the inside of the second high-pressure oil chamber 13 through an overflow port 95, and the second high-pressure oil chamber 13 includes a second lift spring 131, a second relief port 132, and a second piston plate 133; the second piston plate 133 is slidably connected to the inner wall of the second high-pressure oil chamber 13, the second piston plate 133 is connected to the corresponding inner wall of the second piston plate 133 in the second high-pressure oil chamber 13 through a second lifting spring 131, and the second high-pressure oil chamber 13 is connected to an oil inlet of the generator 7 through a second pressure relief port 132;

the oil inlet, the overflow port 95, the first pressure relief port 92 and the second pressure relief port 132 are all provided with one-way valves;

the working process is as follows: the first piston plate 93 continues to move and moves towards the direction of gradually opening the overflow port 95 until the overflow port 95 is opened, oil enters the second high-pressure oil chamber 13 through the overflow port 95, the second piston plate 133 is driven to drive the second lifting spring 131 to move in the deformation direction until the second piston plate 133 opens the second pressure relief port 132, the oil is discharged from the second pressure relief port 132 and enters the generator 7 through the oil inlet of the generator 7, the impeller is driven to rotate, the generator 7 generates electricity, and the oil which does work is pumped back by the oil pump 5 for recycling.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lathe main shaft oiling cooling device, constructs including device main part and cooling generator (7), the device main part includes lathe body (1), driving machine (2), driving medium (3), lathe main shaft (4) and bearing (12), lathe main shaft (4) rotate through bearing (12) and connect inside lathe body (1), the output of driving machine (2) is passed through driving medium (3) and is connected its characterized in that with lathe main shaft (4) transmission: the cooling generator (7) mechanism comprises an oil pump (5), an oil tank (6), a generator (7), an oil pipe (8), a first high-pressure oil cavity (9) and an oil guide port (10); the oil tank (6) is fixed on the machine tool body (1), the oil pump (5) is located inside the oil tank (6), the output pipe of the oil pump (5) is connected with the inner cavity of the machine tool main shaft (4) in the machine tool body (1) through the rotating cavity, the rotating cavity of the machine tool main shaft (4) is connected with the oil inlet of the first high-pressure oil cavity (9) through the oil guide port (10), the first high-pressure oil cavity (9) comprises a first lifting spring (91), a first pressure relief port (92) and a first piston plate (93), the first piston plate (93) is connected with the inner wall of the first high-pressure oil cavity (9) in a sliding manner, the first piston plate (93) is closely connected with the opposite surface of the first piston plate (93) of the first high-pressure oil cavity (9) through the first lifting spring (91), and the first pressure relief port (92) is connected with the oil inlet of the generator (7) through the oil pipe (8), the oil outlet of the generator (7) is connected with the oil tank (6).

2. The oil injection cooling device for the machine tool spindle according to claim 1, wherein: the oil guide port (10) comprises a filter screen (11); the filter screen (11) is arranged inside the oil guide opening (10).

3. The oil injection cooling device for the machine tool spindle according to claim 1, wherein: first lifting spring (91) is equipped with a plurality of, a plurality of first lifting spring (91) equidistance is arranged in first piston plate (93) and the piston plate opposite face of first high-pressure oil pocket (9).

4. The oil injection cooling device for the machine tool spindle according to claim 1, wherein: the cooling generator (7) structure also comprises an overflow port (95) and a second high-pressure oil chamber (13); the first high-pressure oil chamber (9) is connected with the interior of a second high-pressure oil chamber (13) through an overflow port (95), and the second high-pressure oil chamber (13) comprises a second lifting spring (131), a second pressure relief port (132) and a second piston plate (133); the second piston plate (133) is connected to the inner wall of the second high-pressure oil cavity (13) in a sliding mode, the second piston plate (133) is connected to the corresponding inner wall of the second piston plate (133) in the second high-pressure oil cavity (13) through a second lifting spring (131), and the second high-pressure oil cavity (13) is connected with an oil inlet of the generator (7) through a second pressure relief opening (132).

5. The oil injection cooling device for the machine tool spindle according to claim 1 or 4, wherein: and the oil inlet, the overflow port (95), the first pressure relief port (92) and the second pressure relief port (132) are all provided with one-way valves.