CN214869126U

CN214869126U - Numerical control lathe main shaft cooling device

Info

Publication number: CN214869126U
Application number: CN202121326030.3U
Authority: CN
Inventors: 徐向红
Original assignee: Wuhan Hainachuan Machinery Manufacturing Co ltd
Current assignee: Wuhan Hainachuan Machinery Manufacturing Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-11-26
Anticipated expiration: 2031-06-15

Abstract

The utility model relates to a main shaft cooling technology field just discloses a numerical control lathe main shaft cooling device, including the main shaft body, the outside of the main shaft body is rotated and is connected with two sealing rings, two fixed mounting has the cooling shell between the outside of sealing ring, and the inner wall fixed mounting of cooling shell has the fixed block, the inner wall of cooling shell has the spraying shell through fixed block fixed mounting. Transmit the temperature of the main shaft body to the PLC controller through temperature sensor one on, the PLC controller then can control circulating pump and oil-well pump and move, the circulating pump can be taken out the cooling oil after the cooling in the oil tank to the inner chamber that sprays the shell, then spray the main shaft body through the shower nozzle that distributes evenly, submerge half until oil with the main shaft body, because there is the even semiconductor refrigeration piece of distribution in the outside fixed mounting of oil tank, the semiconductor refrigeration piece can be fast with the hot oil lowering temperature of oil tank, thereby guarantee that shower nozzle spun oil can be quick to cool down the main shaft body.

Description

Numerical control lathe main shaft cooling device

Technical Field

The utility model relates to a main shaft cooling technical field specifically is a numerical control lathe main shaft cooling device.

Background

The machine tool spindle rotates at a high speed for a long time, a large amount of heat generated by friction in the machine tool spindle main sleeve cannot be dissipated, the spindle is prone to deformation, the service life of the machine tool spindle is shortened, meanwhile, the spindle is overhigh in temperature during long-time machining, the quality accuracy of a machined product is prone to exceeding the standard and being unstable, the heat dissipation of the spindle is crucial to the accuracy of the machine, and in addition, due to the rotation of the spindle, cooling liquid splashes everywhere to pollute other parts of a spindle chamber.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a numerical control lathe main shaft cooling device possesses the fast advantage of cooling rate, has solved the slow problem of cooling rate.

(II) technical scheme

For realizing the purpose that the cooling rate is fast, the utility model provides a following technical scheme: a numerical control lathe spindle cooling device comprises a spindle body, wherein two sealing rings are rotatably connected to the outer side of the spindle body, a cooling shell is fixedly arranged between the outer sides of the two sealing rings, a fixed block is fixedly arranged on the inner wall of the cooling shell, the inner wall of the cooling shell is fixedly provided with a spraying shell through a fixing block, two annular cavities are arranged inside the spraying shell, the inner wall of the spraying shell is embedded with a spray head, the top parts of the two cavities are fixedly communicated with an oil inlet pipe, the top of the oil inlet pipe is fixedly communicated with a connecting pipe, the other end of the connecting pipe is fixedly communicated with a circulating pump, the other end of the circulating pump is fixedly communicated with an oil tank, the outer side of the oil tank is fixedly provided with a semiconductor refrigeration sheet, the bottom of the oil tank is fixedly communicated with an oil well pump through a connecting pipe, and the other end of the oil well pump is fixedly communicated with an oil pumping pipe.

Preferably, the inner bottom wall of the spraying shell is provided with a groove, and the inner wall of the groove is fixedly communicated with the oil pumping pipe.

Preferably, the input ends of the circulating pump and the oil well pump are in signal connection with the output shaft of the PLC controller.

Preferably, the output end of the PLC is in signal connection with the input end of the semiconductor refrigerating sheet.

Preferably, the input end of the PLC is respectively in signal connection with the output ends of the first temperature sensor and the second temperature sensor.

Preferably, the first temperature sensor is mounted on one side of the sealing ring.

Preferably, the second temperature sensor is installed inside the oil tank.

(III) advantageous effects

Compared with the prior art, the utility model provides a numerical control lathe main shaft cooling device possesses following beneficial effect:

1. this numerical control lathe main shaft cooling device, transmit the temperature of the main shaft body to the PLC controller through temperature sensor one on, the PLC controller then can control circulating pump and oil-well pump and move, the circulating pump can take out the cooling oil after the cooling in the oil tank to spraying the inner chamber of shell, then spray the main shaft body through the shower nozzle that distributes evenly, submerge half until oil with the main shaft body, because there is the even semiconductor refrigeration piece of distribution in the outside fixed mounting of oil tank, the semiconductor refrigeration piece can be fast with the hot oil lowering temperature of oil tank, thereby guarantee that shower nozzle spun oil can be quick cool down the main shaft body.

2. This numerical control lathe main shaft cooling device can concentrate the hot oil in the recess through the oil-well pump and draw to the oil tank in, then uses with the cooperation of semiconductor refrigeration piece again, can be with the hot oil rapid cooling in the oil tank, is provided with temperature sensor two in the oil tank simultaneously, when temperature sensor two detected the oil temperature and reduced to the setting value, then can give the PLC controller with the signal transmission, the oil after the PLC controller control circulating pump will cool off is taken away to the rapid cooling of the main shaft body has been realized.

Drawings

FIG. 1 is a sectional view of the structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the spraying shell of the present invention;

fig. 3 is a working principle diagram of the present invention.

In the figure: 1-main shaft body, 2-sealing ring, 3-cooling shell, 4-fixing block, 5-spraying shell, 6-cavity, 7-spray head, 8-oil inlet pipe, 9-connecting pipe, 10-circulating pump, 11-oil tank, 12-semiconductor refrigerating sheet, 13-oil pump, 14-oil pumping pipe and 15-groove.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, a numerical control lathe spindle cooling device comprises a spindle body 1, wherein two sealing rings 2 are rotatably connected to the outer side of the spindle body 1, a cooling shell 3 is fixedly installed between the outer sides of the two sealing rings 2, a fixing block 4 is fixedly installed on the inner wall of the cooling shell 3, a spraying shell 5 is fixedly installed on the inner wall of the cooling shell 3 through the fixing block 4, two annular cavities 6 are formed in the spraying shell 5, a nozzle 7 is embedded in the inner wall of the spraying shell 5, an oil inlet pipe 8 is fixedly communicated between the tops of the two cavities 6, a connecting pipe 9 is fixedly communicated with the top of the oil inlet pipe 8, a circulating pump 10 is fixedly communicated with the other end of the connecting pipe 9, an oil tank 11 is fixedly communicated with the other end of the circulating pump 10, a semiconductor refrigeration sheet 12 is fixedly installed on the outer side of the oil tank 11, an oil pump 13 is fixedly communicated with the bottom of the oil tank 11 through the connecting pipe 9, wherein the other end of the oil well pump 13 is fixedly communicated with an oil pumping pipe 14, wherein the inner bottom wall of the spraying shell 5 is provided with a groove 15, and the inner wall of the groove 15 is fixedly communicated with the oil pumping pipe 14.

Wherein the input of circulating pump 10 and oil-well pump 13 all with the output shaft signal connection of PLC controller, wherein the input signal connection of PLC controller output and semiconductor refrigeration piece 12, wherein the PLC controller input respectively with the output signal connection of temperature sensor one and temperature sensor two, wherein temperature sensor one installs on one side of sealing ring 2, wherein temperature sensor two installs the inside at oil tank 11.

When using, transmit the temperature of the main shaft body 1 to the PLC controller through temperature sensor one on, the PLC controller then can control circulating pump 10 and oil-well pump 13 and move, circulating pump 10 can take out the cooling oil after the cooling in the oil tank 11 to spraying in the inner chamber 6 of shell 5, then spray main shaft body 1 through the shower nozzle 7 that distributes evenly, until oil submerges main shaft body 1 half, because there is the even semiconductor refrigeration piece 12 of distribution at the outside fixed mounting of oil tank 11, semiconductor refrigeration piece 12 can reduce the temperature with the hot oil of oil tank 11 fast, thereby guarantee that shower nozzle 7 spun oil can be quick to main shaft body 1 cool down.

This numerical control lathe main shaft cooling device, can concentrate the hot oil in recess 15 through oil-well pump 13 and draw to oil tank 11 in, then use with the cooperation of semiconductor refrigeration piece 12 again, can be with the hot oil rapid cooling in the oil tank 11, be provided with temperature sensor two in the oil tank 11 simultaneously, when temperature sensor two detected the oil temperature and reduced to the setting value, then can give the PLC controller with the signal transmission, the oil after PLC controller control circulating pump 10 will cool off is taken away, thereby realized the rapid cooling to the main shaft body 1.

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 numerical control lathe main shaft cooling device, includes the main shaft body (1), its characterized in that: the outer side of the main shaft body (1) is rotatably connected with two sealing rings (2), two fixed mounting has a cooling shell (3) between the outer side of the sealing rings (2), the inner wall fixed mounting of the cooling shell (3) has a fixed block (4), the inner wall of the cooling shell (3) has a spraying shell (5) through the fixed block (4), two annular cavities (6) are arranged in the spraying shell (5), a spray head (7) is embedded in the inner wall of the spraying shell (5), an oil inlet pipe (8) is fixedly communicated between the tops of the cavities (6), a connecting pipe (9) is fixedly communicated with the top of the oil inlet pipe (8), a circulating pump (10) is fixedly communicated with the other end of the connecting pipe (9), an oil tank (11) is fixedly communicated with the other end of the circulating pump (10), and a semiconductor refrigeration sheet (12) is fixedly mounted on the outer side of the oil tank (11), the bottom of the oil tank (11) is fixedly communicated with an oil well pump (13) through a connecting pipe (9), and the other end of the oil well pump (13) is fixedly communicated with an oil pumping pipe (14).

2. A numerically controlled lathe spindle cooling device as in claim 1, wherein: the inner bottom wall of the spraying shell (5) is provided with a groove (15), and the inner wall of the groove (15) is fixedly communicated with the oil pumping pipe (14).

3. A numerically controlled lathe spindle cooling device as in claim 1, wherein: and the input ends of the circulating pump (10) and the oil well pump (13) are in signal connection with the output shaft of the PLC controller.

4. A numerically controlled lathe spindle cooling device as in claim 3, wherein: the output end of the PLC is in signal connection with the input end of the semiconductor refrigerating sheet (12).

5. The numerical control lathe spindle cooling device according to claim 4, characterized in that: and the input end of the PLC is respectively in signal connection with the output ends of the first temperature sensor and the second temperature sensor.

6. The numerical control lathe spindle cooling device according to claim 5, characterized in that: the first temperature sensor is arranged on one side of the sealing ring (2).

7. The numerical control lathe spindle cooling device according to claim 5, characterized in that: the second temperature sensor is arranged inside the oil tank (11).