CN216781198U

CN216781198U - Numerical control main shaft heat radiation structure

Info

Publication number: CN216781198U
Application number: CN202123042087.3U
Authority: CN
Inventors: 梁远灏
Original assignee: Jiangmen Jinchen Technology Co ltd
Current assignee: Jiangmen Jinchen Technology Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-06-21
Anticipated expiration: 2031-12-06

Abstract

The utility model discloses a numerical control main shaft heat dissipation structure, which comprises a machine tool main shaft and a heat dissipation mechanism, wherein the machine tool main shaft and the heat dissipation mechanism are arranged on a numerical control machine tool, the heat dissipation mechanism comprises a heat dissipation shell through which the machine tool main shaft can pass, the upper end of the heat dissipation shell is communicated with a water inlet pipe, the lower end of the water inlet pipe is provided with a spraying pipeline in the heat dissipation shell, the lower end of the heat dissipation shell is communicated with a water outlet pipeline, and a cushioning mechanism for cushioning the machine tool main shaft is also arranged in the heat dissipation shell; spraying cooling liquid to the machine tool spindle through a water inlet pipe and a spraying pipeline so as to effectively cool the machine tool spindle; in addition, the plurality of rollers abut against the outer wall of the machine tool spindle, so that vibration generated during transmission of the machine tool spindle is transmitted to the spring through the rollers and the movable block, and the vibration is eliminated through the spring, so that the machine tool spindle can work more stably; and then through the radiating effect of preferred and the damping effect of preferred, can prolong the life of lathe main shaft.

Description

Numerical control main shaft heat radiation structure

Technical Field

The utility model relates to the technical field of numerical control spindles, in particular to a numerical control spindle heat dissipation structure.

Background

The existing machine tool spindle in the market has the phenomenon of high temperature and overheating during continuous high-speed operation, and needs to use a heat dissipation mechanism for heat dissipation, so that the existing heat dissipation mechanism has poor heat dissipation effect and has no obvious heat dissipation and cooling effect on the spindle; when the machine tool spindle is in transmission, vibration can be generated, and the vibration reduction effect of the conventional machine tool spindle transmission vibration reduction mechanism is poor when the conventional machine tool spindle transmission vibration reduction mechanism is used; therefore, it is necessary to design a heat dissipation structure with good heat dissipation effect and good vibration reduction effect.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to provide a heat dissipation structure for a numerical control spindle, which solves at least one of the problems in the related art.

In order to achieve the purpose, the utility model adopts the following scheme: the utility model provides a numerical control main shaft heat radiation structure, is including setting up lathe main shaft and the heat dissipation mechanism on the digit control machine tool, heat dissipation mechanism is including the heat dissipation casing that can let the lathe main shaft pass heat dissipation casing upper end intercommunication has the inlet tube the lower extreme of inlet tube just is located the heat dissipation casing and is equipped with shower the lower extreme intercommunication of heat dissipation casing has outlet conduit still be equipped with the bradyseism mechanism that is used for carrying out bradyseism work to the lathe main shaft in the heat dissipation casing, bradyseism mechanism is including using the lathe main shaft as a plurality of fixed blocks of centre of a circle equipartition circumference array the fixed block tip is equipped with the recess internalization is equipped with the movable block outer end is rotated and is installed the gyro wheel that can be inconsistent with the lathe main shaft be connected with the spring between movable block and the recess diapire.

Further, rotate on the movable block and install the pivot, the gyro wheel sets up in the pivot the lateral wall of heat dissipation casing is equipped with the through-hole that sets up with the axle corresponding and with the axle center, the one end of pivot extends to through-hole department and is equipped with radiator fan.

Furthermore, a filter screen is arranged at the outer end of the through hole.

Further, the heat dissipation shell comprises an upper shell and a lower shell which are arranged from top to bottom, arc-shaped grooves are formed in one side, opposite to the lower shell, of the upper shell, and the machine tool spindle is rotatably arranged in the two arc-shaped grooves.

Further, an arc-shaped rotating shaft sealing gasket is arranged on the inner side of the arc-shaped groove.

Furthermore, the fixed block is provided with four along the circumference, wherein, go up the casing and be provided with two respectively with lower casing.

Furthermore, the upper shell and the lower shell are fixedly matched through bolts and nuts.

Furthermore, the damping mechanisms are arranged at intervals along the axial direction of the machine tool spindle, and the spraying pipeline is arranged between the two damping mechanisms.

In summary, the beneficial effects of the utility model are as follows: the cooling device is characterized in that a radiating shell is arranged on a machine tool spindle, cooling water is introduced through a water inlet pipe, and cooling liquid is sprayed onto the machine tool spindle through a spraying pipeline, so that the machine tool spindle is effectively cooled; in addition, the plurality of rollers abut against the outer wall of the machine tool spindle, so that vibration generated during transmission of the machine tool spindle is transmitted to the spring through the rollers and the movable block, and the vibration is eliminated through the spring, so that the machine tool spindle can work more stably; and then through the radiating effect of preferred and the damping effect of preferred, can prolong the life of lathe main shaft.

Drawings

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

Fig. 2 is a schematic cross-sectional view of the present invention.

Fig. 3 is a partial cross-sectional schematic view of the present invention.

Detailed Description

The following detailed description provides many different embodiments or examples for implementing the utility model. Of course, these are merely embodiments or examples and are not intended to be limiting. In addition, repeated reference numbers, such as repeated numbers and/or letters, may be used in various embodiments. These iterations are for simplicity and clarity of describing the present invention and are not intended to represent a particular relationship between the various embodiments and/or configurations discussed.

The utility model is further described in the following description of the drawings and the detailed description: a numerical control main shaft heat dissipation structure as shown in fig. 1 to 3, comprising a machine tool main shaft 1 and a heat dissipation mechanism arranged on a numerical control machine tool, wherein the heat dissipation mechanism comprises a heat dissipation casing 2 through which the machine tool main shaft 1 can pass, a water inlet pipe 3 is communicated with the upper end of the heat dissipation casing 2, a spray pipeline 4 is arranged at the lower end of the water inlet pipe 3 and in the heat dissipation casing 2, a water outlet pipeline 5 is communicated with the lower end of the heat dissipation casing 2, a cushioning mechanism for cushioning the machine tool main shaft 1 is further arranged in the heat dissipation casing 2, the cushioning mechanism comprises a plurality of fixed blocks 6 uniformly distributed in a circumferential array by taking the machine tool main shaft 1 as a circle center, a groove 7 is arranged at the end of each fixed block 6, a movable block 8 is movably arranged in the groove 7, and a roller 9 capable of abutting against the machine tool main shaft 1 is rotatably arranged at the outer end of the movable block 8, a spring 10 is connected between the movable block 8 and the bottom wall of the groove 7; a radiating shell 2 is arranged on a machine tool spindle 1, cooling water is introduced through a water inlet pipe 3, and cooling liquid is sprayed onto the machine tool spindle 1 through a spraying pipeline 4, so that the machine tool spindle 1 is effectively cooled; in addition, the plurality of rollers 9 abut against the outer wall of the machine tool spindle 1, so that vibration generated during transmission of the machine tool spindle is transmitted to the spring 10 through the rollers 9 and the movable block 8, and the vibration is eliminated through the spring 10, so that the machine tool spindle 1 can work more stably; and then through the radiating effect of preferred and the better damping effect, can prolong the life of lathe main shaft 1.

Referring to fig. 1 and 3, a rotating shaft 21 is rotatably mounted on the movable block 8, the roller 9 is disposed on the rotating shaft 21, a through hole 22 corresponding to the rotating shaft 21 and coaxially disposed is disposed on a side wall of the heat dissipation housing 2, one end of the rotating shaft 21 extends to the through hole 22 and is provided with a heat dissipation fan 23, the roller 9, the movable block 8 and the spring 10 play a role of vibration reduction, and the machine tool spindle 1 can drive the roller 9 and the rotating shaft 21 while rotating, so that the heat dissipation fan 23 can be driven to rotate, the heat inside the heat dissipation housing 2 can be discharged, and the temperature inside the heat dissipation housing 2 can be further reduced.

In order to prevent foreign matters from entering the heat dissipation case 2 from the through hole 22, a filter net 31 is provided at an outer end of the through hole 22.

Specifically, heat dissipation casing 2 is including the last casing 41 and the lower casing 42 that set up from top to bottom, the one side that goes up casing 41 and lower casing 42 relative all is equipped with arc recess 43, machine tool spindle 1 rotates and sets up in two arc recesses 43, go up casing 41 and lower casing 42 and pass through bolt and nut fixed fit arc recess 43 inboard is equipped with the sealed pad 51 of arc pivot, and during the installation, go up casing 41 and lower casing 42 and close machine tool spindle 1 from upper and lower both sides lid respectively to it is fixed through a plurality of bolt and nut, need explain that, the external part of heat dissipation casing 2 accessible is fixed on numerical control machine tool, thereby makes heat dissipation casing 2 fixed motionless.

Referring to fig. 2, four fixing blocks 6 are arranged along the circumference, wherein two damping mechanisms are arranged on the upper shell 41 and the lower shell 42 respectively, two damping mechanisms are arranged at intervals along the axial direction of the machine tool spindle 1, the spray pipeline 4 is arranged between the two damping mechanisms, that is, eight rollers 9 are arranged in the heat dissipation shell 2, and the machine tool spindle 1 is firmly pressed by the eight rollers 9 and the spring 10, so that the damping effect is better.

In the utility model, after the cooling water flows out from the water outlet pipeline 5, the cooling water can be collected and recycled, so that the effect of energy conservation can be achieved.

While there have been shown and described the fundamental principles and principal features of the utility model and advantages thereof with reference to the drawings, it will be understood by those skilled in the art that the utility model is not limited to the embodiments described above, which are given by way of illustration of the principles of the utility model, but that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a numerical control main shaft heat radiation structure, including setting up lathe main shaft (1) and the heat dissipation mechanism on the numerical control machine tool, its characterized in that: the heat dissipation mechanism comprises a heat dissipation shell (2) which can allow a machine tool spindle (1) to penetrate through, the upper end of the heat dissipation shell (2) is communicated with a water inlet pipe (3), a spraying pipeline (4) is arranged at the lower end of the water inlet pipe (3) and positioned in the heat dissipation shell (2), the lower end of the heat dissipation shell (2) is communicated with a water outlet pipeline (5), a cushioning mechanism for cushioning the machine tool spindle (1) is also arranged in the heat dissipation shell (2), the cushioning mechanism comprises a plurality of fixed blocks (6) which are uniformly distributed in a circumferential array by taking a machine tool main shaft (1) as a circle center, a groove (7) is arranged at the end part of the fixed block (6), a movable block (8) is movably arranged in the groove (7), a roller (9) which can be abutted against the main shaft (1) of the machine tool is rotatably arranged at the outer end of the movable block (8), a spring (10) is connected between the movable block (8) and the bottom wall of the groove (7).

2. The numerical control spindle heat dissipation structure of claim 1, wherein: rotate on movable block (8) and install pivot (21), gyro wheel (9) set up in pivot (21) the lateral wall of radiator housing (2) is equipped with through-hole (22) corresponding and the axle center setting with pivot (21), the one end of pivot (21) extends to through-hole (22) department and is equipped with radiator fan (23).

3. The numerical control spindle heat dissipation structure of claim 2, wherein: a filter screen (31) is arranged at the outer end of the through hole (22).

4. The numerical control spindle heat dissipation structure of claim 1, wherein: the heat dissipation shell (2) comprises an upper shell (41) and a lower shell (42) which are arranged from top to bottom, wherein arc-shaped grooves (43) are formed in one side, opposite to the lower shell (42), of the upper shell (41), and the machine tool spindle (1) is rotatably arranged in the two arc-shaped grooves (43).

5. The numerical control spindle heat dissipation structure of claim 4, wherein: an arc-shaped rotating shaft sealing gasket (51) is arranged on the inner side of the arc-shaped groove (43).

6. The numerical control spindle heat dissipation structure of claim 4, wherein: the number of the fixed blocks (6) is four along the circumference, wherein the number of the upper shells (41) and the number of the lower shells (42) are two respectively.

7. The numerical control spindle heat dissipation structure of claim 4, wherein: the upper shell (41) and the lower shell (42) are fixedly matched through bolts and nuts.

8. The numerical control spindle heat dissipation structure of claim 1, wherein: the damping mechanism is arranged in the axial direction of the machine tool main shaft (1) at intervals, and the spraying pipeline (4) is arranged between the two damping mechanisms.