CN212286905U - Numerical control machining center main shaft capable of dissipating heat rapidly - Google Patents
Numerical control machining center main shaft capable of dissipating heat rapidly Download PDFInfo
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- CN212286905U CN212286905U CN202020409926.7U CN202020409926U CN212286905U CN 212286905 U CN212286905 U CN 212286905U CN 202020409926 U CN202020409926 U CN 202020409926U CN 212286905 U CN212286905 U CN 212286905U
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- main shaft
- heat dissipation
- dissipating
- dissipation chamber
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Abstract
The utility model discloses a numerical control machining center main shaft that can dispel heat fast, including box and main shaft, the box cover is established on the outside of main shaft, in the box with be provided with first heat dissipation chamber and second heat dissipation chamber between the main shaft, be provided with first heat abstractor in the first heat dissipation chamber, first heat abstractor cover is established on the outside of main shaft, air intake and air outlet have been seted up respectively to the both sides in first heat dissipation chamber, the second is dispelled the heat and is provided with second heat abstractor in the chamber, air inlet and gas outlet have been seted up respectively to the both sides in second heat dissipation chamber. The utility model discloses a setting of first heat abstractor and second heat abstractor, with external formation heat conduction, can avoid the interior gas expansion of box for the radiating efficiency of main shaft, and the cooling cost is low, and the environmental protection is pollution-free, effectively guarantees the machining precision of lathe and the life of main shaft.
Description
Technical Field
The utility model relates to a numerical control machining center field, in particular to numerical control machining center main shaft that can dispel the heat fast.
Background
The main shaft of machine tool is used to drive workpiece or cutter to rotate, and is mainly used to support gear, belt wheel and other driving parts in machine to transmit motion and torque. The pretightening force of a traditional machine tool main shaft on a high-speed section is large, so that the temperature of a bearing and the main shaft is easily overhigh, and the rotation precision of the main shaft is influenced. The existing machine tool spindle is mostly cooled by cooling liquid, but the cooling liquid is adopted for cooling so that the production cost is increased, and once the cooling liquid in the circulating pipeline is leaked, the environment is extremely easy to be polluted, and the machine tool spindle is not beneficial to energy conservation and environmental protection.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem to the defect that exists among the above-mentioned prior art, provide a numerical control machining center main shaft that can dispel the heat fast to solve the problem that proposes among the above-mentioned background art.
In order to solve the technical problem, the utility model discloses the technical scheme who takes as follows: the utility model provides a numerical control machining center main shaft that can dispel heat fast, includes box and main shaft, the box cover is established on the outside of main shaft, in the box with be provided with first heat dissipation chamber and second heat dissipation chamber between the main shaft, be provided with first heat abstractor in the first heat dissipation intracavity, first heat abstractor cover is established on the outside of main shaft, air intake and air outlet have been seted up respectively to the both sides in first heat dissipation chamber, second heat dissipation intracavity is provided with second heat abstractor, air inlet and gas outlet have been seted up respectively to the both sides in second heat dissipation chamber.
As a further elaboration of the above technical solution:
in the above technical solution, the first heat dissipation device is a heat sink, and the heat sink is sleeved on the outer side of the main shaft.
In the technical scheme, the outer side wall of the radiator is annularly distributed with radiating fins, two ends of the radiator are fixed on the inner walls of two sides of the first radiating cavity through welding, and the radiator is in interference fit with the main shaft.
In the above technical scheme, the second heat dissipation device includes a heat conduction ring and a plurality of sets of heat dissipation fan blade assemblies, the heat conduction ring is sleeved on the outer side surface of the main shaft, and the plurality of sets of heat dissipation fan blade assemblies are uniformly arranged around the outer surface of the heat conduction ring.
In the above technical solution, each set of the heat dissipation fan blade assembly includes two heat dissipation fins arranged in parallel up and down, and each heat dissipation fin is provided with a plurality of heat dissipation holes.
In the above technical solution, the heat conducting ring and the heat radiating fin are integrally formed.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a setting of first heat abstractor and second heat abstractor, the heat transfer that the main shaft produced after rotating is to first heat abstractor and second heat abstractor, give off the heat to first heat dissipation chamber and second heat dissipation intracavity by first heat abstractor and second heat abstractor, the air intake and the air inlet in first heat dissipation chamber and second heat dissipation chamber are respectively from the dry compressed air of external input and are dispelled the heat and cool off first heat dissipation chamber and second heat dissipation chamber, air outlet and gas outlet give off the hot gas flow to the external world, avoid the internal gas expansion of box, with external formation heat conduction, accelerate the radiating efficiency of main shaft, and the cooling cost is low, the environmental protection is pollution-free, effectively guarantee the machining precision of lathe and the life of main shaft.
Drawings
Fig. 1 is a sectional view of the present invention.
In the figure: 1. a box body; 2. a main shaft; 3. a first heat dissipation chamber; 4. a second heat dissipation chamber; 5. a first heat sink; 51. a heat sink; 6. a second heat sink; 61. a heat conducting ring; 62. assembling radiating fan blades; 621. a heat sink; 622. and (4) heat dissipation holes.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
As shown in fig. 1, a numerical control machining center spindle capable of rapidly dissipating heat comprises a box body 1 and a spindle 2, wherein the box body 1 is sleeved on the outer side of the spindle 2, a first heat dissipation cavity 3 and a second heat dissipation cavity 4 are arranged in the box body 1 and between the spindle 2, a first heat dissipation device 5 is arranged in the first heat dissipation cavity 3, the first heat dissipation device 5 is sleeved on the outer side of the spindle 2, an air inlet 31 and an air outlet 32 are respectively arranged on two sides of the first heat dissipation cavity 3, a second heat dissipation device 6 is arranged in the second heat dissipation cavity 4, and an air inlet 41 and an air outlet 42 are respectively arranged on two sides of the second heat dissipation cavity 4. The utility model discloses a setting of first heat abstractor 5 and second heat abstractor 6, the heat transfer that main shaft 2 produced after rotating is to first heat abstractor 5 and second heat abstractor 6, give off the heat to first heat dissipation chamber 3 and second heat dissipation chamber 4 in by first heat abstractor 5 and second heat abstractor 6, air intake 31 and air inlet 41 in first heat dissipation chamber 3 and second heat dissipation chamber 4 are respectively from the dry compressed air of external input to first heat dissipation chamber 3 and second heat dissipation chamber 4 and are dispelled the heat and cool off, air outlet 32 and gas outlet 42 give off the hot gas flow to the external world, avoid the internal gas expansion of box 1, and external formation of heat conduction, accelerate the radiating efficiency of main shaft 2, and the cooling cost is low, the environmental protection is pollution-free, effectively guarantee the machining precision of lathe and main shaft 2's life.
In this embodiment, the first heat dissipation device 5 is configured as a heat sink 51, and the heat sink 51 is sleeved on the outer side of the main shaft 2. Radiating fins are annularly distributed on the outer side wall of the radiator 51, two ends of the radiator 51 are fixed on the inner walls of two sides of the first radiating cavity 3 through welding, and the radiator 51 is in interference fit with the main shaft 2. When the main shaft 2 rotates, the heat sink 51 does not rotate along with the main shaft, the heat generated by the main shaft 2 is dissipated to the inner cavity of the heat sink 51, the heat dissipating fins on the heat sink 51 dissipate the heat in the inner cavity of the heat sink 51 to the first heat dissipating cavity 3, and then the heat is discharged out of the box body 1 through the air outlet 32.
In this embodiment, the second heat dissipation device 6 includes a heat conduction ring 61 and a plurality of sets of heat dissipation fan blade assemblies 62, the heat conduction ring 61 is sleeved on the outer side surface of the main shaft 2, and the plurality of sets of heat dissipation fan blade assemblies 62 evenly surround the outer surface of the heat conduction ring 61.
Specifically, each set of the fan blade assembly 62 includes two heat dissipation fins 621 arranged in parallel up and down, and each of the heat dissipation fins 621 is provided with a plurality of heat dissipation holes 622. A certain turbulent flow is generated between the two radiating fins 621, so that the contact and retention time of cold air is longer, the energy consumption is effectively reduced, and the radiating force is increased.
Preferably, the heat conducting ring 61 and the heat dissipating fin 621 are integrally formed, and both the heat conducting ring 61 and the heat dissipating fin 621 are made of an aluminum alloy material.
The utility model discloses a setting of first heat abstractor 5 and second heat abstractor 6, the heat transfer that main shaft 2 produced after rotating is to first heat abstractor 5 and second heat abstractor 6, give off the heat to first heat dissipation chamber 3 and second heat dissipation chamber 4 in by first heat abstractor 5 and second heat abstractor 6, air intake 31 and air inlet 41 in first heat dissipation chamber 3 and second heat dissipation chamber 4 are respectively from the dry compressed air of external input to first heat dissipation chamber 3 and second heat dissipation chamber 4 and are dispelled the heat and cool off, air outlet 32 and gas outlet 42 give off the hot gas flow to the external world, avoid the internal gas expansion of box 1, and external formation of heat conduction, accelerate the radiating efficiency of main shaft 2, and the cooling cost is low, the environmental protection is pollution-free, effectively guarantee the machining precision of lathe and main shaft 2's life.
The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a numerical control machining center main shaft that can dispel heat fast, includes box and main shaft, the box cover is established on the outside of main shaft, its characterized in that, in the box with be provided with first heat dissipation chamber and second heat dissipation chamber between the main shaft, be provided with first heat abstractor in the first heat dissipation chamber, first heat abstractor cover is established on the outside of main shaft, air intake and air outlet have been seted up respectively to the both sides in first heat dissipation chamber, second heat dissipation intracavity is provided with second heat abstractor, air inlet and gas outlet have been seted up respectively to the both sides in second heat dissipation chamber.
2. The numerical control machining center spindle capable of dissipating heat quickly according to claim 1, wherein the first heat dissipation device is a heat sink, and the heat sink is sleeved on the outer side of the spindle.
3. The numerical control machining center spindle capable of rapidly dissipating heat according to claim 2, wherein heat dissipating fins are annularly distributed on the outer side wall of the heat sink, two ends of the heat sink are fixed on the inner walls of two sides of the first heat dissipating cavity by welding, and the heat sink is in interference fit with the spindle.
4. The numerical control machining center spindle capable of rapidly dissipating heat according to claim 1, wherein the second heat dissipating device comprises a heat conducting ring and a plurality of sets of heat dissipating fan blade assemblies, the heat conducting ring is sleeved on the outer side face of the spindle, and the plurality of sets of heat dissipating fan blade assemblies are uniformly arranged around the outer surface of the heat conducting ring.
5. The numerical control machining center spindle capable of dissipating heat quickly according to claim 4, wherein each set of the fan assembly includes two heat sinks arranged in parallel up and down, and each heat sink has a plurality of heat dissipating holes.
6. The numerical control machining center spindle capable of rapidly dissipating heat according to claim 5, wherein the heat conducting ring and the heat dissipating fin are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020409926.7U CN212286905U (en) | 2020-03-26 | 2020-03-26 | Numerical control machining center main shaft capable of dissipating heat rapidly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020409926.7U CN212286905U (en) | 2020-03-26 | 2020-03-26 | Numerical control machining center main shaft capable of dissipating heat rapidly |
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| Publication Number | Publication Date |
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| CN212286905U true CN212286905U (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020409926.7U Active CN212286905U (en) | 2020-03-26 | 2020-03-26 | Numerical control machining center main shaft capable of dissipating heat rapidly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114523334A (en) * | 2022-04-24 | 2022-05-24 | 山东辰榜数控装备有限公司 | Cooling device for main shaft of numerical control machine tool |
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2020
- 2020-03-26 CN CN202020409926.7U patent/CN212286905U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114523334A (en) * | 2022-04-24 | 2022-05-24 | 山东辰榜数控装备有限公司 | Cooling device for main shaft of numerical control machine tool |
| CN114523334B (en) * | 2022-04-24 | 2022-06-21 | 山东辰榜数控装备有限公司 | Cooling device for main shaft of numerical control machine tool |
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