CN210755211U

CN210755211U - Main shaft of numerical control machine tool

Info

Publication number: CN210755211U
Application number: CN201921642885.XU
Authority: CN
Inventors: 张燕飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-06-16
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses a digit control machine tool main shaft, including motor, main shaft, axle housing and refrigeration subassembly, the inside of axle housing is inlayed and is had the main shaft, the first axostylus axostyle of left side fixed connection of main shaft, the right side fixed connection second axostylus axostyle of main shaft, the top and the bottom fixed connection casing of axle housing, the outside symmetric distribution refrigeration subassembly of casing, refrigeration subassembly includes semiconductor refrigerator, refrigeration piece and closing plate, the semiconductor refrigerator is connected through the mode of inlaying to the surface of casing, semiconductor refrigerator's bottom evenly distributed refrigeration piece. This digit control machine tool main shaft is equipped with refrigeration subassembly through the outside at the axle housing, has utilized the refrigerated characteristics of semiconductor, when the high temperature of main shaft operation, thereby opens the semiconductor refrigerator and can produce air conditioning and reduce the inside temperature of axle housing, reaches rapid cooling's effect, and overall structure is simple, and the practicality is stronger.

Description

Main shaft of numerical control machine tool

Technical Field

The utility model relates to a digit control machine tool technical field specifically is a digit control machine tool main shaft.

Background

The machine tool spindle is a shaft which drives a workpiece or a cutter to rotate on a machine tool and is mainly used for supporting transmission parts such as gears and belt wheels in the machine tool and transmitting motion and torque, such as the machine tool spindle; some are used to clamp a workpiece, such as a mandrel.

The main shaft of the numerical control machine tool on the current market mostly adopts a water-cooling or air-cooling mode to cool the main shaft, and the time consumed by the water-cooling and air-cooling is long, so that the effect of quickly cooling cannot be well achieved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a digit control machine tool main shaft has solved the digit control machine tool main shaft on the current market and has adopted water-cooling or air-cooled mode to cool down the main shaft mostly, and no matter the time that water-cooling and air-cooled cooling expend is all longer, unable fine effect that reaches rapid cooling, the main shaft leads to the inside air temperature of axle housing also higher owing to the too high reason of operating temperature simultaneously, most main shaft can't be gone out these high-temperature gas quick replacements, be unfavorable for the problem of going on of cooling work.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a main shaft of numerical control machine tool, includes motor, main shaft, axle housing and refrigeration subassembly, the inside of axle housing is inlayed and is had the main shaft, the first axostylus axostyle of left side fixed connection of main shaft, the right side fixed connection second axostylus axostyle of main shaft, the top and the bottom fixed connection casing of axle housing, the outside symmetric distribution refrigeration subassembly of casing, refrigeration subassembly includes semiconductor refrigerator, refrigeration piece and closing plate, the semiconductor refrigerator is connected through the mode of inlaying to the surface of casing, the bottom evenly distributed refrigeration piece of semiconductor refrigerator, the both sides of refrigeration piece are equipped with the closing plate, the closing plate is connected through the mode of bonding in the inside of casing.

Preferably, the left side of motor is inlayed and is had the pivot, the first axostylus axostyle is connected through the hold-in range in the pivot, the outside of pivot and first axostylus axostyle all is equipped with the stopper.

Preferably, a fixed bearing is sleeved outside the first shaft rod, the outside of the second shaft rod is fixedly connected with a main shaft head, and the outside of the main shaft corresponds to the refrigeration assembly.

Preferably, the top of the housing is symmetrically provided with air vents, the top of the housing is fixedly connected with a first electric fan, and a baffle is bonded outside the first electric fan.

Preferably, the bottom of the housing is symmetrically provided with air vents, the bottom of the housing is fixedly connected with a second electric fan, and a baffle is bonded outside the second electric fan.

(III) advantageous effects

The utility model provides a digit control machine tool main shaft. The method has the following beneficial effects:

(1) this digit control machine tool main shaft is equipped with refrigeration subassembly through the outside at the axle housing, has utilized the refrigerated characteristics of semiconductor, when the high temperature of main shaft operation, thereby opens the semiconductor cooler and can produce air conditioning and reduce the inside temperature of axle housing, reaches rapid cooling's effect, and overall structure is simple, and the practicality is stronger.

(2) This digit control machine tool main shaft, outside through the axle housing is equipped with four electric fan, can move simultaneously and take a breath and exhaust to the axle housing is inside, by two first electric fan of axle housing top installation, can blow to the axle housing is inside, and two second electric fan of axle housing bottom installation can exhaust to the axle housing is inside, four electric fan divide the worker to make clear and to clearly and definitely can replace the inside high temperature air of axle housing in short time fast, and the simple operation, the main shaft cooling of being convenient for, and is comparatively practical.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic view of the internal structure of the axle housing of the present invention;

fig. 3 is a schematic structural view of the refrigeration assembly of the present invention;

fig. 4 is a schematic structural view of a first electric fan according to the present invention;

in the figure, a motor-1, a synchronous belt-2, a main shaft-3, a shaft shell-4, a first shaft rod-5, a fixed bearing-6, a main shaft head-7, a second shaft rod-8, a shell-9, a ventilation port-10, a first electric fan-11, a baffle-12, a second electric fan-13, a semiconductor refrigerator-14, a refrigerating sheet-15, a sealing plate-16 and a refrigerating assembly-17.

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. 1-4, an embodiment of the present invention provides a technical solution: the utility model provides a main shaft of numerical control machine tool, includes motor 1, main shaft 3, axle housing 4 and refrigeration subassembly 17, the inside of axle housing 4 is inlayed and is had main shaft 3, the left side fixed connection first axostylus axostyle 5 of main shaft 3, the right side fixed connection second axostylus axostyle 8 of main shaft 3, the top and the bottom fixed connection casing 9 of axle housing 4, the outside symmetric distribution refrigeration subassembly 17 of casing 9, refrigeration subassembly 17 includes semiconductor refrigerator 14, refrigeration piece 15 and closing plate 16, semiconductor refrigerator 14 is connected through the mode of inlaying to the surface of casing 9, semiconductor refrigerator 14's bottom evenly distributes refrigeration piece 15, the both sides of refrigeration piece 15 are equipped with closing plate 16, closing plate 16 is connected through the mode of bonding in the inside of casing 9.

The pivot is inlayed in motor 1's left side, the pivot is passed through hold-in range 2 and is connected primary shaft pole 5, the outside of pivot and primary shaft pole 5 all is equipped with the stopper, through two relative stoppers that are equipped with, fixes a position when being convenient for install hold-in range 2, and the practicality is stronger.

The fixed bearing 6 is sleeved outside the first shaft lever 5, the second shaft lever 8 is fixedly connected with the head of the main shaft 3, the outside of the main shaft 3 corresponds to the refrigeration component 17, the refrigeration component 17 is symmetrically distributed outside the main shaft 3, so that cold air can be comprehensively covered outside the main shaft 3, and the cooling effect is good.

The top symmetric distribution scavenge port 10 of casing 9, the first electric fan 11 of top fixed connection of casing 9, the outside of first electric fan 11 bonds and has baffle 12, and through the first electric fan 11 that is equipped with, can pour into the inside of axle housing 4 with the air of external world to improve gaseous interactive efficiency, it is comparatively practical.

The bottom of casing 9 is the symmetric distribution scavenge port 10, the bottom fixed connection second electric fan 13 of casing 9, the outside of second electric fan 13 bonds and has baffle 12, and second electric fan 13 through being equipped with can play better exhaust effect, discharges the inside high temperature gas of axle housing 4, and is comparatively practical.

The working principle is as follows: when the numerical control machine tool spindle 3 is used, firstly, the motor 1 is started, the motor 1 is connected with the first spindle rod 5 on the side surface of the spindle 3 by using the synchronous belt 2, so as to drive the spindle 3 to rotate, when the spindle 3 runs, the shell 9 is arranged at the top and the bottom of the spindle shell 4, the two first electric fans 11 and the second electric fan 13 are respectively arranged outside the shell 9, the first electric fan 11 is used for blowing air, the second electric fan 13 is used for exhausting air, when the four electric fans run simultaneously, the first electric fan 11 fills the outside air into the spindle shell 4, and the second electric fan 13 exhausts the high-temperature air inside the spindle shell 4, so that the function of air exchange inside the spindle shell 4 can be realized in a short time, the operation is simple and convenient, the spindle 3 is very convenient to cool, and finally, if the spindle 3 runs at an overhigh temperature for a long time and needs to cool quickly, through the refrigeration subassembly 17 that is equipped with in the outside of casing 9, utilize the cryogenic technique of semiconductor, connect refrigeration piece 15 by semiconductor cooler 14 and carry out work, the air conditioning of production can enter into the inside of axle housing 4 and cover around main shaft 3, and the sealed effect of having played that closing plate 16 that is equipped with in refrigeration piece 15 both sides is fine, avoids air conditioning to leak to reach main shaft 3 rapid cooling's effect, the practicality is stronger.

The utility model discloses a motor 1, hold-in range 2, main shaft 3, axle housing 4, first axostylus axostyle 5, fixed bearing 6, spindle head 7, second axostylus axostyle 8, casing 9, scavenge port 10, first electric fan 11, baffle 12, second electric fan 13, semiconductor refrigerator 14, refrigeration piece 15, closing plate 16, refrigeration subassembly 17, the part is the parts that general standard spare or technical personnel in this field know, its structure and principle all can learn the manual or know through conventional experimental method through the technique for this technical personnel, the problem that the utility model solves is that the digit control machine tool main shaft on the market mostly adopts water-cooling or air-cooling mode to cool down the main shaft, and no matter the time that water-cooling and air-cooling consumed is longer, can't reach the effect of rapid cooling down very well, simultaneously the main shaft leads to the air temperature in the axle housing also to be higher because of the reason of the high operating temperature, the majority of main shafts can not quickly replace the high-temperature gas, which is not beneficial to the proceeding of cooling work, and the like, through the mutual combination of the components, the refrigeration component is arranged outside the shaft shell, the characteristic of semiconductor refrigeration is utilized, when the temperature of the main shaft in operation is too high, the semiconductor refrigerator is opened to generate cold air so as to reduce the temperature inside the shaft shell, thereby achieving the effect of quick cooling, meanwhile, four electric fans are arranged outside the shaft shell, the air exchange and exhaust can be simultaneously carried out inside the shaft shell, two first electric fans arranged at the top of the shaft shell can blow air inside the shaft shell, two second electric fans arranged at the bottom of the shaft shell can exhaust air inside the shaft shell, the four electric fans can clearly and clearly replace the high-temperature air inside the shaft shell in a short time, the simple operation, the main shaft cooling of being convenient for, it is comparatively practical.

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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A main shaft of a numerical control machine tool is characterized in that: comprises a motor (1), a main shaft (3), a shaft shell (4) and a refrigeration component (17), a main shaft (3) is embedded in the shaft shell (4), the left side of the main shaft (3) is fixedly connected with a first shaft lever (5), the right side of the main shaft (3) is fixedly connected with a second shaft lever (8), the top and the bottom of the shaft shell (4) are fixedly connected with a shell (9), refrigeration components (17) are symmetrically distributed outside the shell (9), the refrigeration components (17) comprise a semiconductor refrigerator (14), refrigeration sheets (15) and sealing plates (16), the surface of the shell (9) is connected with a semiconductor refrigerator (14) in a mosaic mode, the bottom of the semiconductor refrigerator (14) is evenly distributed with refrigerating sheets (15), and sealing plates (16) are arranged on two sides of the refrigerating sheet (15), and the sealing plates (16) are connected inside the shell (9) in a bonding mode.

2. The numerical control machine tool spindle according to claim 1, characterized in that: the left side of motor (1) is inlayed and is had the pivot, first axostylus axostyle (5) is connected through hold-in range (2) in the pivot, the outside of pivot and first axostylus axostyle (5) all is equipped with the stopper.

3. The numerical control machine tool spindle according to claim 1, characterized in that: the fixed bearing (6) is sleeved outside the first shaft lever (5), the second shaft lever (8) is fixedly connected with the head of the main shaft (3), and the outside of the main shaft (3) corresponds to the refrigeration component (17).

4. The numerical control machine tool spindle according to claim 1, characterized in that: the top of the shell (9) is symmetrically provided with air exchange ports (10), the top of the shell (9) is fixedly connected with a first electric fan (11), and a baffle (12) is bonded outside the first electric fan (11).

5. The numerical control machine tool spindle according to claim 1, characterized in that: the bottom of the shell (9) is symmetrically provided with air exchange ports (10), the bottom of the shell (9) is fixedly connected with a second electric fan (13), and a baffle (12) is bonded outside the second electric fan (13).