CN113819693A - Shaft core internal cooling method for rotating structure - Google Patents
Shaft core internal cooling method for rotating structure Download PDFInfo
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- CN113819693A CN113819693A CN202110887096.8A CN202110887096A CN113819693A CN 113819693 A CN113819693 A CN 113819693A CN 202110887096 A CN202110887096 A CN 202110887096A CN 113819693 A CN113819693 A CN 113819693A
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- 238000001816 cooling Methods 0.000 title claims abstract description 51
- 239000000498 cooling water Substances 0.000 claims abstract description 70
- 239000000110 cooling liquid Substances 0.000 claims abstract description 54
- 239000007788 liquid Substances 0.000 claims abstract description 49
- 230000017525 heat dissipation Effects 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 69
- 238000003860 storage Methods 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 239000002826 coolant Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 239000007769 metal material Substances 0.000 abstract description 6
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000007667 floating Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D1/00—Devices using naturally cold air or cold water
- F25D1/02—Devices using naturally cold air or cold water using naturally cold water, e.g. household tap water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/006—General constructional features for mounting refrigerating machinery components
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a method for cooling the inside of a shaft core of a rotating structure, which comprises the following steps: s1, arranging a cooling liquid channel, wherein the cooling liquid channel is arranged in the shaft core of the rotating structure and is respectively provided with a liquid inlet and a liquid outlet; s2, mounting a rotating assembly; s3, connecting a cooling water supply device; s4, starting a cooling water supply device; and S5, the cooling liquid in the axis of the rotating structure flows back to the cooling water supply device through the liquid outlet to dissipate heat for repeated use. The shaft core is used for cooling the surface which uses the generated heat to the maximum extent, so that the surface can directly conduct heat to the cooling liquid, and the cooling liquid is conducted to the cooling liquid along the metal material and directly flows back to the radiator through the shaft core to dissipate the heat for repeated use; the heat dissipation structure is particularly suitable for structures with internal heat which cannot be dissipated or is difficult to dissipate, and the metal material is high in heat conductivity and more favorable for heat dissipation.
Description
Technical Field
The invention belongs to the field of shaft core internal cooling, and particularly relates to a shaft core internal cooling method for a rotating structure.
Background
At present, common rotating structures comprise machine tool rotating shafts, packing augers and other mechanical equipment, aiming at the machine tool rotating shafts, the existing processing cooling mode mainly adopts cooling liquid external spraying type cooling, the cooling effect can only cool processed parts, the rotating shaft parts cannot be cooled, the packing augers are mostly externally cooled, the cooling efficiency is low, and the time delay is high, so that the method for cooling the inside of the shaft core of the rotating structure is provided
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a method for cooling the inside of a shaft core of a rotating structure.
In order to achieve the purpose, the invention provides the following technical scheme:
a method of cooling the interior of a shaft core for a rotating structure, comprising the steps of:
s1, arranging a cooling liquid channel, wherein the cooling liquid channel is arranged in the shaft core of the rotating structure and is respectively provided with a liquid inlet and a liquid outlet;
s2, mounting rotating assemblies, wherein the rotating assemblies are respectively mounted at two ends of a rotating structure shaft core and are set as rotating joints, and the two groups of rotating joints are respectively communicated with a liquid inlet and a liquid outlet of the rotating structure shaft core;
s3, connecting the cooling water supply device, and respectively communicating a cooling water release pipe and a cooling water recovery pipe of the cooling water supply device with the two groups of rotary joints to form a complete cooling water circulation system;
s4, starting the cooling water supply device, enabling the cooling water stored in the starting cooling water supply device to flow into the shaft core of the rotating structure from the rotating joint at the liquid inlet of the cooling liquid channel, and carrying out heat conduction cooling through the shaft core;
and S5, the cooling liquid in the axis of the rotating structure flows back to the cooling water supply device through the liquid outlet to dissipate heat for repeated use.
Preferably, the cooling water supply device described in step S3 includes: the cooling water conveying module, the cooling water heat dissipation module and the water conveying pipe and the water return pipe which are used for communicating the rotating structure shaft core are arranged, the output end of the cooling water conveying module is communicated with the water conveying pipe, the water conveying pipe is communicated with the rotating joint at the liquid inlet of the rotating structure shaft core, the water return pipe is communicated with the input end of the cooling water heat dissipation module, and the water return pipe is communicated with the rotating joint at the liquid outlet of the rotating structure shaft core.
Preferably, the cooling water supply device is internally provided with a cooling liquid storage module, and the input end of the cooling water conveying module and the output end of the cooling water heat dissipation module are both communicated with the cooling liquid storage module.
Preferably, the water conveying pipe and the water return pipe are both provided with check valves, the check valves are used for only allowing the medium to flow towards one direction and preventing the medium from flowing towards the opposite direction, and when the check valves work, the valve clacks are opened under the action of fluid pressure flowing towards one direction; when the fluid flows in the opposite direction, the valve flap is combined by the fluid pressure and the self-weight of the valve flap to act on the valve seat, thereby cutting off the flow.
Preferably, the cooling water delivery module is specifically configured as a centrifugal water pump, and the centrifugal water pump is usedFirstly, useThe centrifugal water pump and the water inlet pipe are filled with cooling water, after the centrifugal water pump is operated, the cooling water in the impeller flow channel is pressed into the volute under the action of centrifugal force generated by high-speed rotation of the impeller, the inlet of the impeller forms vacuum, water in the cooling liquid storage module is sucked into and replenished with the space along the water suction pipe under atmospheric pressure, and the sucked water is pressed into the volute by the impeller and enters the water outlet pipe, so that the cooling water is continuously injected into the shaft core of the rotating structure, and cooling is realized.
Preferably, the rotary joint in step S2 is a single-channel rotary joint, the single-channel rotary joint is arranged in communication with the liquid inlet and the liquid outlet of the rotary structure shaft core, and then has a coaxiality smaller than 0.02mm with the rotary structure shaft core, and the rotary joint is connected with the water pipe and the water return pipe by using a hose.
Preferably, be equipped with a plurality of parallel and crisscross cooling bath and the circulation groove that distributes in the cooling water heat dissipation module, cooling that is equipped with a plurality of evenly distributed in cooling bath and the circulation inslot respectively divides the groove and the circulation divides the groove, cooling divides groove and circulation to divide the groove bottom to be equipped with inlet and liquid outlet respectively, be provided with radiating fin on the outer wall of cooling bath, just radiating fin sets up to the wave to radiating fin equidistance sets up on the outer wall of cooling bath.
Preferably, a temperature sensor is arranged in the cooling liquid storage module and used for monitoring the temperature of cold water in the cooling liquid storage module in real time.
Preferably, the coolant passage set in step S1 can be set as a straight passage and a U-shaped passage according to actual requirements, and the specific setting mode is as follows:
the straight-line channel adopts mechanical equipment to punch a through hole in the shaft core of the rotating structure to form a cooling liquid channel, and a liquid inlet and a liquid outlet of the cooling liquid channel are positioned at two ends of the cooling liquid channel;
the U-shaped channel adopts mechanical equipment to punch a blind hole in the shaft core of the rotating structure, a baffle is arranged in the blind hole in a sealing manner, one side of the baffle is 5-8 mm away from the blind hole, a gap of 3-5 mm is reserved between the other end of the baffle and the bottom in the blind hole, the side wall of the baffle is welded on the inner wall of the arc of the blind hole in a sealing manner, and a liquid inlet and a liquid outlet of a cooling liquid channel are positioned at the same end of the cooling liquid channel.
The invention has the technical effects and advantages that: compared with the traditional cooling method, the method for cooling the inside of the shaft core of the rotary structure has the advantages that the surface which is cooled by the shaft core and generates heat to the maximum extent can be directly subjected to heat conduction to reach cooling liquid, and the cooling liquid is conducted to the cooling liquid along a metal material and directly flows back to a radiator through the shaft core to dissipate heat for repeated use; the heat dissipation structure is particularly suitable for structures with internal heat which cannot be dissipated or is difficult to dissipate, and the metal material has high heat conductivity and is more favorable for heat dissipation; the heat is not easy to generate in the material, the heat in the material can be directly taken away, the heat generation part can be directly cooled, the heat generation source is stopped, and the component which generates the heat can not cause the instability of the component structure due to the heat.
Drawings
FIG. 1 is a flow chart of a method of cooling the interior of a shaft core for a rotating structure according to the present invention;
FIG. 2 is a schematic diagram of a straight channel structure according to the present invention;
FIG. 3 is a schematic diagram of a U-shaped channel structure according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. 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.
The present invention provides a method for cooling the inside of a shaft core for a rotating structure as shown in fig. 1 to 3, comprising the steps of:
s1, arranging a cooling liquid channel, wherein the cooling liquid channel is arranged in the shaft core of the rotating structure and is respectively provided with a liquid inlet and a liquid outlet;
step S1 the setting coolant liquid channel can be set as a straight channel and a U-shaped channel according to actual requirements, and the specific setting mode is as follows:
as shown in fig. 2, a straight channel is formed by drilling a through hole in the shaft core of the rotary structure by using mechanical equipment to form a cooling liquid channel, and a liquid inlet and a liquid outlet of the cooling liquid channel are located at two ends of the cooling liquid channel;
as shown in fig. 3, a blind hole is drilled in the shaft core of the rotating structure by adopting mechanical equipment for the U-shaped channel, a baffle is hermetically arranged in the blind hole, one side of the baffle is 5mm-8mm away from the blind hole, a gap of 3mm-5mm is reserved between the other end of the baffle and the inner bottom of the blind hole, the side wall of the baffle is hermetically welded on the arc inner wall of the blind hole, and a liquid inlet and a liquid outlet of the cooling liquid channel are positioned at the same end of the cooling liquid channel;
s2, mounting rotating assemblies, wherein the rotating assemblies are respectively mounted at two ends of a rotating structure shaft core and are set as rotating joints, and the two groups of rotating joints are respectively communicated with a liquid inlet and a liquid outlet of the rotating structure shaft core;
the rotating joint in the step S2 adopts a single-channel rotating joint, the coaxiality of the single-channel rotating joint and the rotating structure shaft core is less than 0.02mm after the single-channel rotating joint is communicated and installed with the liquid inlet and the liquid outlet of the rotating structure shaft core, and the rotating joint is connected with the water conveying pipe and the water return pipe by using a hose;
s3, connecting the cooling water supply device, and respectively communicating a cooling water release pipe and a cooling water recovery pipe of the cooling water supply device with the two groups of rotary joints to form a complete cooling water circulation system;
the cooling water supply device described in step S3 includes: the cooling water cooling system comprises a cooling water conveying module, a cooling water radiating module, a water conveying pipe and a water return pipe, wherein the water conveying pipe and the water return pipe are used for communicating a rotating structure shaft core;
s4, starting the cooling water supply device, enabling the cooling water stored in the starting cooling water supply device to flow into the shaft core of the rotating structure from the rotating joint at the liquid inlet of the cooling liquid channel, and carrying out heat conduction cooling through the shaft core;
s5, the cooling liquid in the axle center of the rotating structure flows back to the cooling water supply device through the liquid outlet to dissipate heat for repeated use;
the surface which is cooled by the shaft core to use and generate heat to the maximum extent can directly conduct heat to the cooling liquid, and the heat is conducted to the cooling liquid along the metal material and directly flows back to the radiator through the shaft core to dissipate heat for repeated use; the heat dissipation structure is particularly suitable for structures with internal heat which cannot be dissipated or is difficult to dissipate, and the metal material has high heat conductivity and is more favorable for heat dissipation; the heat is not easy to generate in the material, the heat in the material can be directly taken away, the heat generating part can be directly cooled, the heat generating source is eliminated, and the parts generating the heat are ensured not to cause the instability of the part structure due to the heat;
the cooling water supply device is internally provided with a cooling liquid storage module, the input end of the cooling water conveying module and the output end of the cooling water radiating module are both communicated with the cooling liquid storage module, the water conveying pipe and the water return pipe are both provided with check valves, the check valves are used for allowing a medium to flow in one direction and preventing the medium from flowing in the opposite direction, and when the check valves work, the valve clacks are opened under the action of the pressure of fluid flowing in one direction; when the fluid flows in the reverse direction, the valve clack is closed by the fluid pressure and the self weight of the valve clack to act on the valve seat so as to cut off the flow, and a temperature sensor is arranged in the cooling liquid storage module and is used for monitoring the temperature of cold water in the cooling liquid storage module in real time;
the check valve adopts a lifting check valve, guide sleeve sleeves are processed on the upper part of the valve clack and the lower part of the valve cover, the guide sleeve sleeves can freely lift in the guide sleeve sleeves of the valve cup, when a medium flows downstream, the valve clack is opened by the thrust of the medium, when the medium stops flowing, the valve clack falls on the valve seat by self-hanging to play a role in preventing the medium from flowing back, and the direction of a medium inlet and outlet channel of the return valve is vertical to the direction of a channel of the valve seat;
the cooling water conveying module is specifically arranged as a centrifugal water pump, and the centrifugal water pump is usedFirstly, useThe centrifugal water pump and the water inlet pipe are filled with cooling water, after the centrifugal water pump runs, the cooling water in the impeller flow channel is pressed into the volute under the action of centrifugal force generated by high-speed rotation of the impeller, the inlet of the impeller forms vacuum, water in the cooling liquid storage module is sucked along the water suction pipe under atmospheric pressure to supplement the space, and the sucked water is pressed into the volute by the impeller and enters the water outlet pipe, so that the cooling water is continuously injected into the shaft core of the rotating structure to realize cooling;
a plurality of cooling grooves and circulation grooves which are parallel and distributed in a staggered manner are arranged in the cooling water heat dissipation module, a plurality of cooling sub-grooves and a plurality of circulation sub-grooves which are uniformly distributed are respectively arranged in the cooling grooves and the circulation grooves, liquid inlets and liquid outlets are respectively arranged at the bottoms of the cooling sub-grooves and the circulation sub-grooves, heat dissipation fins are arranged on the outer wall of the cooling grooves and are arranged in a wave shape, and the heat dissipation fins are equidistantly arranged on the outer wall of the cooling grooves;
as an optional scheme, the cooling water heat dissipation module can also adopt a tubular cooler, and the tubular cooler consists of an outer shell and an inner cooler body; due to different specific structural modes, the external connection mode is divided into a pipe thread type and a flange type; the mounting form is divided into horizontal and vertical; the floating type is divided into a floating disc type and a floating head type; the structure of the cooler pipe is divided into a spiral pipe type and a fin pipe type; the structure of the deflection is divided into a plurality of structural forms such as an arch-shaped deflection plate, a rectangular deflection plate, a double-weir-shaped deflection plate, a circular deflection plate and the like, which are selected according to specific conditions;
the outer housing includes: the water distributor comprises a cylinder body, a water distribution cover and a water return cover; the oil inlet pipe, the oil outlet pipe, the water inlet pipe and the water outlet pipe are arranged on the oil tank, and an oil discharge, water discharge, exhaust plug screw, a zinc bar mounting hole and a thermometer interface are additionally arranged on the oil tank;
the cooler body consists of a cooler pipe, a fixed hole disc, a movable hole disc, a baffle plate and the like; two ends of the cooler pipe are connected with the fixed hole disc and the movable hole disc, and engine oil leaks from the inner side of the cooler loader; the fixed hole disc is connected with the outer body flange, and the movable hole disc can freely stretch out and draw back in the outer body, so that the influence of temperature on the cooler pipe caused by expansion with heat and contraction with cold is eliminated; the baffle plate plays a role in enhancing heat transfer and supporting the cooler pipe;
the heat medium of the tubular cooler flows from the inlet of the connecting pipe on the cylinder body to the outlet of the connecting pipe in a zigzag way through each baffling channel in sequence; the cooler medium flows by adopting a double-tube pass, namely the cooler medium enters one half of the cooler tubes from the water inlet through the water dividing cover and then flows into the other half of the cooler tubes from the water return cover to enter the water dividing cover at the other side and the water outlet pipe; in the process of double-pipe process flow, the cold medium absorbs the waste heat released by the heat medium and is discharged from the water outlet, so that the working medium keeps the rated working temperature;
wherein, the rotary joint must be hermetically connected when in use, and if cooling water leaks, the following four reasons are considered:
the first reason is as follows: the concentricity of the hollow shaft and the matched rotating body is not enough;
treatment countermeasures: checking the size and the precision, and adjusting the fixed connection with the rotating body;
the second reason is that: the precision of the assembling machine is low (the end surface has heavy straightness, and the axial clearance is large in the radial direction and the axial clearance is large), and the vibration is large;
treatment countermeasures: finding out reasons and repairing and assembling equipment;
the third reason is that: foreign matters such as slurry and dirt enter the contact surface of the friction pair;
treatment countermeasures: a filter screen or a dirt separator is added, and the type of the rotary joint is improved;
the reason is four: the pressure, temperature and rotating speed are used to exceed the range of the selected rotary joint;
treatment countermeasures: researching the operating conditions, inquiring a research unit or a manufacturing plant, and modifying the type of the rotary joint;
finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. A method of cooling the interior of a shaft core for a rotating structure, comprising the steps of:
s1, arranging a cooling liquid channel, wherein the cooling liquid channel is arranged in the shaft core of the rotating structure and is respectively provided with a liquid inlet and a liquid outlet;
s2, mounting rotating assemblies, wherein the rotating assemblies are respectively mounted at two ends of a rotating structure shaft core and are set as rotating joints, and the two groups of rotating joints are respectively communicated with a liquid inlet and a liquid outlet of the rotating structure shaft core;
s3, connecting the cooling water supply device, and respectively communicating a cooling water release pipe and a cooling water recovery pipe of the cooling water supply device with the two groups of rotary joints to form a complete cooling water circulation system;
s4, starting the cooling water supply device, enabling the cooling water stored in the starting cooling water supply device to flow into the shaft core of the rotating structure from the rotating joint at the liquid inlet of the cooling liquid channel, and carrying out heat conduction cooling through the shaft core;
and S5, the cooling liquid in the axis of the rotating structure flows back to the cooling water supply device through the liquid outlet to dissipate heat for repeated use.
2. A method of cooling inside a shaft core for a rotary structure according to claim 1, characterized in that: the cooling water supply device described in step S3 includes: the cooling water conveying module, the cooling water heat dissipation module and the water conveying pipe and the water return pipe which are used for communicating the rotating structure shaft core are arranged, the output end of the cooling water conveying module is communicated with the water conveying pipe, the water conveying pipe is communicated with the rotating joint at the liquid inlet of the rotating structure shaft core, the water return pipe is communicated with the input end of the cooling water heat dissipation module, and the water return pipe is communicated with the rotating joint at the liquid outlet of the rotating structure shaft core.
3. A method of cooling inside a shaft core for a rotary structure according to claim 3, characterized in that: the cooling water supply device is internally provided with a cooling liquid storage module, and the input end of the cooling water conveying module and the output end of the cooling water heat dissipation module are communicated with the cooling liquid storage module.
4. A method of cooling inside a shaft core for a rotary structure according to claim 3, characterized in that: check valves are arranged on the water conveying pipe and the water return pipe, the check valves only allow the medium to flow in one direction and prevent the medium from flowing in the opposite direction, and when the check valves work, the valve clacks are opened under the action of the pressure of the fluid flowing in one direction; when the fluid flows in the opposite direction, the valve flap is combined by the fluid pressure and the self-weight of the valve flap to act on the valve seat, thereby cutting off the flow.
5. A method of cooling inside a shaft core for a rotary structure according to claim 4, characterized in that: the cooling water conveying module is concreteIs arranged as a centrifugal water pump, which is used when in useFirstly, useThe centrifugal water pump and the water inlet pipe are filled with cooling water, after the centrifugal water pump is operated, the cooling water in the impeller flow channel is pressed into the volute under the action of centrifugal force generated by high-speed rotation of the impeller, the inlet of the impeller forms vacuum, water in the cooling liquid storage module is sucked into and replenished with the space along the water suction pipe under atmospheric pressure, and the sucked water is pressed into the volute by the impeller and enters the water outlet pipe, so that the cooling water is continuously injected into the shaft core of the rotating structure, and cooling is realized.
6. A method of cooling inside a shaft core for a rotary structure according to claim 5, characterized in that: the rotary joint in the step S2 adopts a single-channel rotary joint, the single-channel rotary joint has a coaxiality of less than 0.02mm with the rotary structure shaft core after being communicated and installed with the liquid inlet and the liquid outlet of the rotary structure shaft core, and the rotary joint is connected with the water delivery pipe and the water return pipe by using a hose.
7. A method of cooling inside a shaft core for a rotary structure according to claim 6, characterized in that: be equipped with a plurality of parallel and crisscross cooling bath and the circulation groove that distributes in the cooling water heat dissipation module, cooling that is equipped with a plurality of evenly distributed in cooling bath and the circulation inslot respectively divides the groove and the circulation to divide the groove, cooling divides groove and circulation to divide the groove bottom to be equipped with inlet and liquid outlet respectively, be provided with radiating fin on the outer wall of cooling bath, just radiating fin sets up to the wave to radiating fin equidistance sets up on the outer wall of cooling bath.
8. A method of cooling inside a shaft core for a rotary structure according to claim 7, characterized in that: and a temperature sensor is arranged in the cooling liquid storage module and is used for monitoring the temperature of cold water in the cooling liquid storage module in real time.
9. A method of cooling inside a shaft core for a rotary structure according to claim 8, characterized in that: step S1 the setting coolant liquid channel can be set as a straight channel and a U-shaped channel according to actual requirements, and the specific setting mode is as follows:
the straight-line channel adopts mechanical equipment to punch a through hole in the shaft core of the rotating structure to form a cooling liquid channel, and a liquid inlet and a liquid outlet of the cooling liquid channel are positioned at two ends of the cooling liquid channel;
the U-shaped channel adopts mechanical equipment to punch a blind hole in the shaft core of the rotating structure, a baffle is arranged in the blind hole in a sealing manner, one side of the baffle is 5-8 mm away from the blind hole, a gap of 3-5 mm is reserved between the other end of the baffle and the bottom in the blind hole, the side wall of the baffle is welded on the inner wall of the arc of the blind hole in a sealing manner, and a liquid inlet and a liquid outlet of a cooling liquid channel are positioned at the same end of the cooling liquid channel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110887096.8A CN113819693A (en) | 2021-08-03 | 2021-08-03 | Shaft core internal cooling method for rotating structure |
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| CN202110887096.8A CN113819693A (en) | 2021-08-03 | 2021-08-03 | Shaft core internal cooling method for rotating structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114851488A (en) * | 2022-04-27 | 2022-08-05 | 浙江元派塑胶有限公司 | Plastic mould is used in plastic ring production convenient to drawing of patterns |
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2021
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| CN104108047A (en) * | 2014-07-18 | 2014-10-22 | 西安交通大学 | Electric spindle core cooling structure and system |
| CN106141215A (en) * | 2016-09-19 | 2016-11-23 | 广州市昊志机电股份有限公司 | A kind of shaft core cooling electro spindle |
| US20190076976A1 (en) * | 2017-09-14 | 2019-03-14 | Franz Kessler Gmbh | Motor spindle for a machine tool having intergrated cooling and a rotary feedthrough module |
| CN112846929A (en) * | 2019-11-27 | 2021-05-28 | 陕西万众安信消防检测维保有限公司 | Cooling device for cooling shaft core of electric spindle |
| CN111112652A (en) * | 2019-12-11 | 2020-05-08 | 珠海格力电器股份有限公司 | Internal and external cooling system, cooling method, electric spindle and machining center |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114851488A (en) * | 2022-04-27 | 2022-08-05 | 浙江元派塑胶有限公司 | Plastic mould is used in plastic ring production convenient to drawing of patterns |
| CN114851488B (en) * | 2022-04-27 | 2024-03-26 | 浙江元派塑胶有限公司 | Plastic mould is used in plastic ring production convenient to drawing of patterns |
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