CN113857934A - Digit control machine tool main shaft heat dissipation mechanism - Google Patents
Digit control machine tool main shaft heat dissipation mechanism Download PDFInfo
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- CN113857934A CN113857934A CN202111252697.8A CN202111252697A CN113857934A CN 113857934 A CN113857934 A CN 113857934A CN 202111252697 A CN202111252697 A CN 202111252697A CN 113857934 A CN113857934 A CN 113857934A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
- B23Q11/126—Arrangements for cooling or lubricating parts of the machine for cooling only
- B23Q11/127—Arrangements for cooling or lubricating parts of the machine for cooling only for cooling motors or spindles
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides a spindle heat dissipation mechanism of a numerical control machine tool, which comprises a base and a spindle box fixedly connected to the top end of the base, wherein a spindle is rotatably connected in the spindle box, a heat absorption cover is rotatably sleeved on the spindle, and a heat absorption assembly is arranged in the heat absorption cover; a heat release box is fixedly connected in the machine base, a first heat release component is fixedly connected in the heat release box, and a second heat release component is fixedly connected on the side wall of the heat release box; one side of the heat release box is fixedly connected with a pump liquid box, and the first heat release assembly is communicated with the heat absorption assembly through the pump liquid box; the piston is connected in the pump liquid box in a sliding mode, the motor is fixedly connected to the inner wall of the bottom end of the machine base, and the second heat release assembly and the piston are in transmission connection with the motor. The spindle cooling device can absorb heat emitted by the spindle more efficiently, absorbs and emits the heat through the cooling liquid, has a good cooling effect on the spindle, effectively improves the stability and reliability of the spindle in the operation process, and prolongs the service life of the spindle.
Description
Technical Field
The invention relates to the technical field of spindle heat dissipation, in particular to a spindle heat dissipation mechanism of a numerical control machine tool.
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. The methods for machining machine parts in modern machine manufacturing are numerous: in addition to cutting, casting, forging, welding, pressing, extruding, etc., however, in general, a part requiring high precision and fine surface roughness is finished by cutting on a machine tool. The machine tool plays an important role in the construction of national economy modernization.
The main shaft is one of the primary structure in the lathe, and the main shaft can produce a large amount of heats in the lathe operation process, if these heats can not obtain timely giving off, can lead to the main shaft to move unstably, leads to the reliability of lathe to reduce, and the while high temperature still can make the inside structure that carries on of main shaft change, seriously influences the life of lathe.
Therefore, a heat dissipation mechanism for a spindle of a numerical control machine tool is needed to solve the above problems.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following scheme: the invention provides a spindle heat dissipation mechanism of a numerical control machine tool, which comprises a base and a spindle box fixedly connected to the top end of the base, wherein a spindle is rotatably connected to the spindle box, a heat absorption cover is rotatably sleeved on the spindle, and a heat absorption assembly is arranged in the heat absorption cover; a heat release box is fixedly connected in the base, a first heat release assembly is fixedly connected in the heat release box, and a second heat release assembly is fixedly connected to the side wall of the heat release box; a pump liquid tank is fixedly connected to one side of the heat release tank, and the first heat release assembly is communicated with the heat absorption assembly through the pump liquid tank; the pump liquid incasement sliding joint has the piston, frame bottom inner wall rigid coupling has the motor, the second heat release subassembly with the piston all with motor transmission is connected.
Preferably, the heat absorption assembly comprises a plurality of heat absorption cavities and a cooling liquid channel, the heat absorption cavities are arranged in the side wall of the heat absorption cover and are communicated with the cooling liquid channel, the liquid inlet end of the cooling liquid channel is communicated with the pump liquid box, and the liquid outlet end of the cooling liquid channel is communicated with the first heat release assembly; a plurality of heat absorbing sheets are fixedly connected in the heat absorbing cavity, and one side of each heat absorbing sheet close to the axis of the heat absorbing cover extends into the heat absorbing cover.
Preferably, the first heat-releasing assembly comprises a continuously bent heat-releasing pipe fixedly connected in the heat-releasing box, and a plurality of heat-releasing fins are fixedly connected on a straight line section of the heat-releasing pipe; the liquid inlet of the radiating pipe is communicated with the liquid outlet end of the cooling liquid channel, and the liquid outlet of the radiating pipe is communicated with the pump liquid tank.
Preferably, the second heat release assembly comprises a plurality of fixing frames fixedly embedded on the heat release box, the fixing frames are located on one side, away from the motor, of the heat release box, the fixing frames are connected with heat dissipation fans in a rotating mode, and the heat dissipation fans are connected with the motor in a transmission mode.
Preferably, a plurality of the mount is kept away from one side of motor all rotates and is connected with first belt pulley, just first belt pulley with radiator fan's the coaxial rigid coupling of transmission shaft, the output shaft transmission of motor is connected with the second belt pulley, and is a plurality of first belt pulley all through the belt with the transmission of second belt pulley is connected.
Preferably, a transmission case is fixedly connected to one side of the pump liquid case close to the motor, a piston rod is fixedly connected to one side of the piston close to the transmission case, the tail end of the piston rod penetrates through the pump liquid case and the transmission case and extends into the base, and the piston rod is in limit sliding connection with the transmission case; the piston rod is provided with a limiting assembly below, the piston rod is in sliding connection with the limiting assembly, the limiting assembly is rotatably connected in the transmission box, and the limiting assembly is in transmission connection with the motor.
Preferably, the side wall of the transmission box is provided with a long hole, a sliding rod is connected in the long hole in a sliding manner, and the bottom end of the sliding rod is fixedly connected with the piston rod.
Preferably, the limiting assembly comprises a short shaft which is rotatably connected in the transmission box, the short shaft is in transmission connection with the motor, a limiting disc is fixedly sleeved on the short shaft in a fixing mode, and the limiting disc is obliquely arranged; and connecting rods are arranged on two sides of the limiting disc, are in sliding connection with the limiting disc and are fixedly connected with the piston rod.
Preferably, one side of the transmission case, which is far away from the pump liquid case, is rotatably connected with a first gear, the first gear is coaxially and fixedly connected with the short shaft, an output shaft of the motor is in transmission connection with a second gear, and the first gear is meshed with the second gear.
The invention discloses the following technical effects:
1. the spindle cooling device can absorb heat emitted by the spindle more efficiently, absorbs and emits the heat through the cooling liquid, has a good cooling effect on the spindle, effectively improves the stability and reliability of the spindle in the operation process, and prolongs the service life of the spindle.
2. The invention can drive the whole heat dissipation mechanism to operate through one motor, and has more compact structure and lower energy consumption.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a schematic cross-sectional structural view of a spindle heat dissipation mechanism of a numerical control machine tool according to the present invention;
fig. 2 is a schematic view of an internal structure of a spindle heat dissipation mechanism of a numerical control machine tool according to the present invention;
FIG. 3 is an enlarged view of A in FIG. 2;
FIG. 4 is a schematic view of the internal structure of the heat absorbing cover according to the present invention;
FIG. 5 is a schematic view of a first heat sink assembly according to the present invention;
FIG. 6 is a schematic view of the internal structure of the transmission case of the present invention;
FIG. 7 is a schematic view showing a structure of a heat sink in a third embodiment;
wherein, 1 is a main spindle box, 2 is a heat absorption cover, 3 is a main spindle, 4 is a machine base, 5 is a heat release box, 6 is a second belt pulley, 7 is a pump liquid box, 8 is a long shaft, 9 is a second gear, 10 is a motor, 11 is a transmission box, 12 is a heat dissipation pipe, 13 is a heat dissipation fin, 14 is a liquid outlet pipe, 15 is a liquid inlet pipe, 16 is a piston rod, 17 is a first belt pulley, 18 is a fixed frame, 19 is a heat dissipation fan, 20 is a cooling liquid channel, 21 is a heat absorption cavity, 22 is a heat absorption sheet, 23 is a liquid permeation hole, 24 is a piston, 25 is a first gear, 26 is a long hole, 27 is a slide rod, 28 is a connecting rod, 29 is a short shaft, and 30 is a limit disk.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The first embodiment is as follows:
referring to fig. 1-6, the invention provides a spindle heat dissipation mechanism for a numerical control machine tool, which comprises a base 4 and a spindle box 1 fixedly connected to the top end of the base 4, wherein a spindle 3 is rotatably connected to the spindle box 1, a heat absorption cover 2 is rotatably sleeved on the spindle 3, and a heat absorption assembly is arranged in the heat absorption cover 2; a heat release box 5 is fixedly connected in the base 4, a first heat release component is fixedly connected in the heat release box 5, and a second heat release component is fixedly connected on the side wall of the heat release box 5; a pump liquid tank 7 is fixedly connected to one side of the heat release tank 5, and the first heat release component is communicated with the heat absorption component through the pump liquid tank 7; a piston 24 is connected in the pump liquid tank 7 in a sliding manner, a motor 10 is fixedly connected to the inner wall of the bottom end of the machine base 4, and the second heat release assembly and the piston 24 are in transmission connection with the motor 10.
Further, the heat absorption assembly comprises a plurality of heat absorption cavities 21 and a cooling liquid channel 20, the heat absorption cavities 21 are arranged in the side wall of the heat absorption cover 2, the heat absorption cavities 21 are communicated with the cooling liquid channel 20, the liquid inlet end of the cooling liquid channel 20 is communicated with the pump liquid box 7, and the liquid outlet end of the cooling liquid channel 20 is communicated with the first heat release assembly; a plurality of heat absorbing sheets 22 are fixedly connected in the heat absorbing cavity 21, and one sides of the plurality of heat absorbing sheets 22 close to the axis of the heat absorbing cover 2 extend into the heat absorbing cover 2.
The coolant liquid is through each heat absorption chamber 21 of coolant liquid passageway 20 flow through, the heat absorption piece 22 stretches into the part absorption main shaft 3 effluvium in the heat absorption cover 2, the part that the heat absorption piece 22 is located the heat absorption cover 2 is with heat transfer to the part that the heat absorption piece 22 is located heat absorption chamber 21, and absorb the heat through the coolant liquid and take away, realize radiating purpose, this application is through setting up a plurality of heat absorption chambers 21, all be provided with the heat that a plurality of heat absorption pieces 22 can the more efficient absorption main shaft 3 effluvium in every heat absorption chamber 21, and dispel the heat transfer to the coolant liquid, it is effectual to the cooling of main shaft 3, the effectual stability that has improved main shaft 3 operation in-process, reliability, the life of main shaft 3 has been improved simultaneously.
Further, the heat absorbing sheet 22 is made of copper.
Further, the first heat-releasing component comprises a continuously bent heat-releasing pipe 12 fixedly connected in the heat-releasing box 5, and a plurality of heat-releasing fins 13 are fixedly connected on the straight line section of the heat-releasing pipe 12; the liquid inlets of the radiating pipes 12 are communicated with the liquid outlets of the cooling liquid channel 20, and the liquid outlets of the radiating pipes 12 are communicated with the liquid pumping box 7.
The cooling liquid absorbing heat flows into the radiating pipe 12, the radiating pipe 12 adopts a continuous bending way, the radiating path of the cooling liquid is prolonged, the radiating effect of the cooling liquid is improved, meanwhile, a plurality of radiating fins 13 are arranged on the straight line section of the radiating pipe 12, the contact area with air is further increased, and the purpose of improving the radiating efficiency is achieved.
Further, the heat dissipating pipe 12 and the heat dissipating fins 13 are made of copper.
Further, the liquid inlet end of the cooling liquid channel 20 is fixedly connected with one end of a liquid inlet pipe 15, and the other end of the liquid inlet pipe 15 is communicated with the pump liquid tank 7; the liquid outlet end of the cooling liquid channel 20 is fixedly connected with one end of a liquid outlet pipe 14, and the other end of the liquid outlet pipe 14 is communicated with the liquid inlet of the radiating pipe 12; and the joints of the liquid outlet pipe 14 and the radiating pipe 12 and the joints of the liquid inlet pipe 15 and the liquid pumping box 7 are provided with one-way valves.
Further, the second heat release assembly comprises a plurality of fixing frames 18 fixedly embedded on the heat release box 5, the fixing frames 18 are all located on one side, far away from the motor 10, of the heat release box 5, the fixing frames 18 are all rotatably connected with a heat dissipation fan 19, and the heat dissipation fan 19 is in transmission connection with the motor 10.
Further, one side of the motor 10 is kept away from by the plurality of fixing frames 18, and is all rotationally connected with a first belt pulley 17, and the first belt pulley 17 is coaxially and fixedly connected with a transmission shaft of the cooling fan 19, the output shaft of the motor 10 is in transmission connection with a second belt pulley 6, and the plurality of first belt pulleys 17 are all in transmission connection with the second belt pulley 6 through belts.
Further, two adjacent first belt pulleys 17 are connected through belt transmission, and the first belt pulley 17 close to one side of the second belt pulley 6 is connected with the second belt pulley 6 through belt transmission.
The motor 10 rotates and drives the second belt pulley 6 to rotate, the second belt pulley 6 drives the first belt pulley 17 to rotate, again because adjacent belt pulley transmission is connected, consequently, can make a motor 10 drive a plurality of radiator fan 19 simultaneously and rotate, radiator fan 19 rotates and can accelerate the airflow velocity around radiator pipe 12 and the fin 13, it is faster to make the heat dissipation, guarantee the heat that the cooling liquid after the heat dissipation can be better absorbs main shaft 3 and give off simultaneously, the reliability of the operation of guarantee main shaft 3.
Furthermore, a transmission case 11 is fixedly connected to one side of the pump liquid case 7 close to the motor 10, a piston rod 16 is fixedly connected to one side of the piston 24 close to the transmission case 11, the tail end of the piston rod 16 penetrates through the pump liquid case 7 and the transmission case 11 and extends into the base 4, and the piston rod 16 is in limit sliding connection with the transmission case 11; a limiting assembly is arranged below the piston rod 16, the piston rod 16 is in sliding connection with the limiting assembly, the limiting assembly is rotatably connected in the transmission case 11, and the limiting assembly is in transmission connection with the motor 10.
Furthermore, the side wall of the transmission case 11 is provided with a long hole 26, a slide rod 27 is slidably connected in the long hole 26, and the bottom end of the slide rod 27 is fixedly connected with the piston rod 16.
Furthermore, the limiting assembly comprises a short shaft 29 which is rotatably connected in the transmission case 11, the short shaft 29 is in transmission connection with the motor 10, a limiting disc 30 is fixedly sleeved on the short shaft 29, and the limiting disc 30 is obliquely arranged; connecting rods 28 are arranged on two sides of the limiting disc 30, the two connecting rods 28 are in sliding connection with the limiting disc 30, and the two connecting rods 28 are fixedly connected with the piston rod 16.
Furthermore, one side of the transmission case 11, which is far away from the pump fluid case 7, is rotatably connected with a first gear 25, the first gear 25 is coaxially and fixedly connected with a short shaft 29, an output shaft of the motor 10 is in transmission connection with a second gear 9, and the first gear 25 is meshed with the second gear 9.
The motor 10 rotates to drive the second gear 9 to rotate, the second gear 9 drives the first gear 25 engaged with the second gear to rotate, the first gear 25 drives the short shaft 29 to rotate, the short shaft 29 drives the limiting disc 30 fixedly connected with the short shaft 29 to rotate, the piston rod 16 can only move along the direction of the long shaft 26 due to the limiting effect of the long shaft 26, the limiting disc 30 which is obliquely arranged can drive the piston rod 16 to reciprocate in the rotating process, when the piston rod 16 moves to one side close to the pump liquid tank 7, the cooling liquid is pumped into the cooling liquid channel 20, when the piston rod 16 moves to one side far away from the pump liquid tank 7, the cooling liquid flows out from the cooling liquid channel 20, the reciprocating is realized, the circulation of the cooling liquid in the cooling liquid channel 20, the radiating pipe 12 and the pump liquid tank 7 is realized, the heat generated by the main shaft 3 is further dissipated, and the service life of the main shaft 3 is prolonged.
Further, the inner wall of the bottom end of the base 4 is rotatably connected with a long shaft 8, one end of the long shaft 8 is fixedly connected with an output shaft of the motor 10, and the second belt pulley 6 and the second gear 9 are fixedly sleeved on the long shaft 8.
The specific implementation mode is as follows: the motor 10 drives the piston rod 16 to reciprocate, the piston rod 16 reciprocates to realize the circulation of cooling liquid in the cooling liquid channel 20, the radiating pipe 12 and the pump liquid box 7, the cooling liquid absorbs heat when passing through the cooling liquid channel 20, the cooling liquid after absorbing the heat flows through the radiating pipe 12, the motor 10 drives the radiating fan 19 to rotate to accelerate the radiating of the radiating cooling liquid to flow into the cooling liquid channel 20 again, the circulation reciprocates to realize the radiating of the main shaft 3, the stability and the reliability of the main shaft 3 in the operation process are improved, the service life of the main shaft 3 is prolonged, meanwhile, the invention can realize the operation of the whole cooling mechanism by using one motor 10, the structure is more compact, and the energy is saved.
Example two:
the second embodiment differs from the first embodiment in that the heat absorption cavities 21 are distributed in a spiral shape, and the cooling liquid channel 20 is also in a spiral shape.
The plurality of heat absorption cavities 21 are spiral, so that more heat absorption cavities are arranged in the heat absorption cover, the number of the heat absorption sheets 22 is increased, the heat absorption efficiency of the spindle 3 is improved, and the service life of the spindle is prolonged.
The spiral cooling liquid channel 20 can increase the flow speed of the cooling liquid, so as to increase the circulation speed of the cooling liquid in the cooling liquid channel 20 and improve the heat absorption efficiency.
Example three:
referring to fig. 7, the difference between the third embodiment and the first embodiment is that a plurality of liquid permeable holes 23 are opened in the part of the heat absorbing sheet 22 located in the heat absorbing chamber 21.
The heat absorbing sheet 22 is provided with the plurality of liquid permeating holes 23, so that the cooling liquid can better pass through the heat absorbing sheet 22, the flow speed of the cooling liquid is accelerated, the absorption of heat on the heat absorbing sheet 22 is accelerated, the main shaft is better protected, the liquid permeating holes 23 are formed, the amount of the cooling liquid in the heat absorbing cavity 21 can be increased, and the heat absorption efficiency of the cooling liquid is improved.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (9)
1. The utility model provides a digit control machine tool main shaft heat dissipation mechanism which characterized in that: the heat absorption device comprises a base (4) and a spindle box (1) fixedly connected to the top end of the base (4), wherein a spindle (3) is rotatably connected to the spindle box (1), a heat absorption cover (2) is rotatably sleeved on the spindle (3), and a heat absorption assembly is arranged in the heat absorption cover (2); a heat release box (5) is fixedly connected in the base (4), a first heat release component is fixedly connected in the heat release box (5), and a second heat release component is fixedly connected on the side wall of the heat release box (5); a pump liquid tank (7) is fixedly connected to one side of the heat release tank (5), and the first heat release assembly is communicated with the heat absorption assembly through the pump liquid tank (7); the pump liquid case (7) internal sliding connection has piston (24), frame (4) bottom inner wall rigid coupling has motor (10), the second heat release subassembly with piston (24) all with motor (10) transmission is connected.
2. The numerical control machine tool spindle heat dissipation mechanism of claim 1, wherein: the heat absorption assembly comprises a plurality of heat absorption cavities (21) and a cooling liquid channel (20), the heat absorption cavities (21) are arranged in the side wall of the heat absorption cover (2), the cooling liquid channel (20) is communicated with the heat absorption cavities, the liquid inlet end of the cooling liquid channel (20) is communicated with the pump liquid box (7), and the liquid outlet end of the cooling liquid channel (20) is communicated with the first heat release assembly; a plurality of heat absorbing sheets (22) are fixedly connected in the heat absorbing cavity (21), and one sides of the heat absorbing sheets (22) close to the axis of the heat absorbing cover (2) extend into the heat absorbing cover (2).
3. The numerical control machine tool spindle heat dissipation mechanism of claim 2, wherein: the first heat-releasing component comprises a continuously bent heat-releasing pipe (12) fixedly connected in the heat-releasing box (5), and a plurality of heat-releasing fins (13) are fixedly connected on the straight line section of the heat-releasing pipe (12); the liquid inlets of the radiating pipes (12) are communicated with the liquid outlet ends of the cooling liquid channels (20), and the liquid outlets of the radiating pipes (12) are communicated with the liquid pumping box (7).
4. The numerical control machine tool spindle heat dissipation mechanism of claim 1, wherein: the second heat release assembly comprises a plurality of fixing frames (18) fixedly embedded on the heat release box (5), the fixing frames (18) are located on one side, far away from the motor (10), of the heat release box (5), the fixing frames (18) are connected with heat release fans (19) in a rotating mode, and the heat release fans (19) are connected with the motor (10) in a transmission mode.
5. The numerical control machine tool spindle heat dissipation mechanism of claim 4, wherein: a plurality of mount (18) are kept away from one side of motor (10) all rotates and is connected with first belt pulley (17), just first belt pulley (17) with the coaxial rigid coupling of transmission shaft of radiator fan (19), the output shaft transmission of motor (10) is connected with second belt pulley (6), and is a plurality of first belt pulley (17) all through the belt with second belt pulley (6) transmission is connected.
6. The numerical control machine tool spindle heat dissipation mechanism of claim 1, wherein: a transmission box (11) is fixedly connected to one side, close to the motor (10), of the pump liquid box (7), a piston rod (16) is fixedly connected to one side, close to the transmission box (11), of the piston (24), the tail end of the piston rod (16) penetrates through the pump liquid box (7) and the transmission box (11) and extends into the base (4), and the piston rod (16) is in limited sliding connection with the transmission box (11); the limiting component is arranged below the piston rod (16), the piston rod (16) is in sliding connection with the limiting component, the limiting component is rotatably connected in the transmission case (11), and the limiting component is in transmission connection with the motor (10).
7. The numerical control machine tool spindle heat dissipation mechanism of claim 6, wherein: the side wall of the transmission case (11) is provided with a long hole (26), a sliding rod (27) is connected in the long hole (26) in a sliding manner, and the bottom end of the sliding rod (27) is fixedly connected with the piston rod (16).
8. The numerical control machine tool spindle heat dissipation mechanism of claim 6, wherein: the limiting assembly comprises a short shaft (29) which is rotatably connected in the transmission box (11), the short shaft (29) is in transmission connection with the motor (10), a limiting disc (30) is fixedly sleeved on the short shaft (29), and the limiting disc (30) is obliquely arranged; connecting rods (28) are arranged on two sides of the limiting disc (30), the two connecting rods (28) are in sliding connection with the limiting disc (30), and the two connecting rods (28) are fixedly connected with the piston rod (16).
9. The spindle heat dissipation mechanism of a numerical control machine tool according to claim 8, wherein: one side of the transmission box (11) far away from the pump liquid box (7) is rotatably connected with a first gear (25), the first gear (25) is coaxially and fixedly connected with the short shaft (29), an output shaft of the motor (10) is in transmission connection with a second gear (9), and the first gear (25) is meshed with the second gear (9).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111252697.8A CN113857934A (en) | 2021-10-27 | 2021-10-27 | Digit control machine tool main shaft heat dissipation mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111252697.8A CN113857934A (en) | 2021-10-27 | 2021-10-27 | Digit control machine tool main shaft heat dissipation mechanism |
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| CN114721489A (en) * | 2022-03-28 | 2022-07-08 | 云南财经大学 | Automatic penetration testing tool based on machine learning |
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Application publication date: 20211231 |
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| RJ01 | Rejection of invention patent application after publication |