WO2021243911A1 - 一种高效散热的切割机 - Google Patents

一种高效散热的切割机 Download PDF

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Publication number
WO2021243911A1
WO2021243911A1 PCT/CN2020/119132 CN2020119132W WO2021243911A1 WO 2021243911 A1 WO2021243911 A1 WO 2021243911A1 CN 2020119132 W CN2020119132 W CN 2020119132W WO 2021243911 A1 WO2021243911 A1 WO 2021243911A1
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WIPO (PCT)
Prior art keywords
cutting machine
heat dissipation
efficient heat
dissipation according
cooling
Prior art date
Application number
PCT/CN2020/119132
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English (en)
French (fr)
Inventor
林智敏
洪培英
丁革新
吴宝霖
林榕栋
黄嘉鸿
Original Assignee
泉州市海恩德机电科技发展有限公司
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Application filed by 泉州市海恩德机电科技发展有限公司 filed Critical 泉州市海恩德机电科技发展有限公司
Publication of WO2021243911A1 publication Critical patent/WO2021243911A1/zh

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D59/00Accessories specially designed for sawing machines or sawing devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q11/00Accessories 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
    • B23Q11/12Arrangements for cooling or lubricating parts of the machine
    • B23Q11/126Arrangements for cooling or lubricating parts of the machine for cooling only
    • B23Q11/127Arrangements for cooling or lubricating parts of the machine for cooling only for cooling motors or spindles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C37/00Cooling of bearings

Definitions

  • the invention relates to the field of cutting machines, in particular to a cutting machine with efficient heat dissipation.
  • the cutting machine is mainly used to cut and separate the plates in the machining process.
  • the existing cutting machine is mainly provided with a rotatingly connected main shaft in the main shaft box, a cutting saw blade is installed on the main shaft, and the main shaft is driven to rotate through a driving device, thereby driving the cutting saw blade to perform cutting.
  • the main purpose of the present invention is to provide a cutting machine with efficient heat dissipation, which can fully cool the bearing and the main shaft, has a fast heat dissipation speed and a high heat dissipation efficiency.
  • the solution of the present invention is:
  • a cutting machine capable of efficiently dissipating heat includes a main body of the cutting machine; wherein, it also includes a heat dissipating device for dissipating heat from the main shaft bearing of the main body of the cutting machine through flowing cooling liquid.
  • the heat dissipating device includes a cooling liquid conveying pipe for conveying cooling liquid to the heat generating part of the cutting machine main body; the cooling liquid conveying pipe includes two or more shunt pipes for cooling the heat generating parts one by one.
  • the branch pipeline is equipped with a valve that matches the flow of the cooling liquid according to the heat generation of the heating part.
  • the main body of the cutting machine includes a headstock; the shunt pipe is arranged in the headstock and extends toward the heat generating part.
  • valve is arranged in the spindle box.
  • the diversion pipeline further includes a diversion valve, and the valve is provided in the diversion valve.
  • the diverter valve is installed on the inner side wall of the spindle box.
  • the heat dissipation device includes a driving device for driving the flow of the cooling liquid.
  • the driving device includes a pump, and the pump is arranged in the headstock.
  • the main body of the cutting machine includes a power device for driving the main shaft to rotate.
  • the pump is powered by the power device.
  • the power device includes a motor.
  • the power input end of the pump is drivingly connected to the power output end of the motor.
  • the power device further includes a transmission device connected between the power output end of the motor and the main shaft.
  • the transmission device includes a first transmission output end connected to the main shaft in transmission, and a second transmission output end connected in transmission to the power input end of the pump.
  • the pump has a power input shaft drivingly connected with the second transmission output end.
  • the transmission device includes a power output shaft drivingly connected with the power input shaft.
  • the power input shaft and the power output shaft are connected together by a transmission connecting rod.
  • the power input shaft and the transmission connecting rod are connected together by a coupling.
  • the power output shaft and the transmission connecting rod are connected together by a flange.
  • the power input shaft and the coupling are connected by a flat key.
  • the coupling and the transmission connecting rod are connected by a flat key.
  • the flange and the transmission connecting rod are connected by a flat key.
  • the transmission device further includes a first transmission component connected between the motor and the power output shaft, and a second transmission component connected between the power output shaft and the main shaft.
  • the first transmission component includes a first gear provided on the output shaft of the motor, and a second gear provided on the power output shaft and matched with the first gear.
  • the second transmission component includes a third gear provided on the main shaft, and external teeth formed on the peripheral surface of the power output shaft and matched with the third gear.
  • liquid inlet end of the pump is provided with a liquid suction pipe for pumping cooling liquid.
  • liquid inlet end of the liquid suction pipe is located in the spindle box.
  • liquid inlet end of the liquid suction pipe is inserted into the cooling liquid of the spindle box.
  • the heat dissipation device further includes a filtering device for filtering the cooling liquid.
  • liquid inlet end of the filter device is connected with the liquid outlet end of the pump.
  • liquid inlet end of the filter device and the liquid outlet end of the pump are connected together by a first pipe.
  • the filter device is connected to the outside of the spindle box.
  • the first pipe penetrates the side wall of the headstock.
  • first pipe and the side wall of the headstock are sealed together.
  • it also includes a cooling device for cooling the cooling liquid.
  • cooling device is connected between the liquid outlet end of the filtering device and the diverter valve.
  • liquid inlet end of the cooling device and the liquid outlet end of the filter device are connected together by a second pipe.
  • liquid outlet end of the cooling device and the liquid inlet end of the shunt valve are connected together by a third pipe.
  • cooling device is connected to the outside of the headstock.
  • the third pipe penetrates the side wall of the headstock.
  • the third pipe is sealed and connected with the side wall of the spindle box.
  • the spindle box includes a liquid storage cavity for storing coolant, a first cooling cavity for cooling the bearing at one end of the spindle, and a second cooling cavity for cooling the bearing at the other end of the spindle.
  • liquid storage cavity is located between the first cooling cavity and the second cooling cavity.
  • one end of the liquid storage cavity is in communication with the first cooling cavity and the other end is in communication with the second cooling cavity.
  • the side wall of the liquid storage cavity is provided with a first communication port communicating with the first cooling cavity and a second communication port communicating with the second cooling cavity.
  • first communication port includes a first liquid inlet for cooling liquid to enter the first cooling cavity
  • second communication port includes a second liquid inlet for cooling liquid to enter the second cooling cavity
  • the branch pipe includes a first branch pipe and a second branch pipe, the first branch pipe is in communication with the first liquid inlet; the second branch pipe is in communication with the second liquid inlet.
  • the first liquid inlet includes a first liquid inlet and a second liquid inlet
  • the first branch pipeline includes a first branch pipe and a second branch pipe, the first liquid inlet and the first branch pipe The branch branch pipe is connected, and the second liquid inlet hole is connected with the second branch branch pipe.
  • the spindle box is also provided with a transition cavity connected between the liquid storage cavity and the first cooling cavity.
  • a side wall of the transition cavity is provided with a clamping hole communicating with the liquid storage cavity, and the clamping hole fixes the first branch branch pipe and the second branch branch pipe.
  • first communication port further has a first liquid outlet for the cooling liquid to flow back to the liquid storage cavity
  • second communication port further has a second liquid outlet for the cooling liquid to flow back to the liquid storage cavity
  • the first cooling cavity includes a first accommodating cavity for accommodating a first bearing, and a second accommodating cavity for accommodating a second bearing.
  • the second accommodating cavity is provided corresponding to the second liquid inlet hole.
  • the second accommodating cavity is provided directly below the second liquid inlet hole.
  • the first cooling cavity further includes an oil guide sleeve that guides the cooling liquid from the first liquid inlet to the first accommodating cavity and the second accommodating cavity.
  • oil guide sleeve is provided corresponding to the first liquid inlet hole.
  • oil guide sleeve is arranged directly below the first liquid inlet hole.
  • the oil guide sleeve includes an inner limit sleeve sleeved on the main shaft and abutted between the inner ring of the first bearing and the second bearing, and sleeved outside the inner limit sleeve and abutted against the first bearing.
  • the outer limit sleeve between the bearing and the outer ring of the second bearing.
  • the bearing clearances of the first bearing and the second bearing are both in communication with the liquid conducting gap.
  • the bearing clearances of the first bearing and the second bearing both correspond to the liquid conducting gap.
  • annular liquid storage tank communicating with the liquid guide hole is formed on the peripheral surface of the outer limit sleeve, and the annular liquid storage tank is communicated with the first liquid inlet hole.
  • annular liquid storage tank corresponds to the first liquid inlet hole.
  • annular liquid storage tank is provided directly below the first liquid inlet hole.
  • the first cooling cavity is provided with a bearing fixing member at the first liquid outlet.
  • the bearing fixing member is sleeved on the main shaft, and the end surface of the bearing fixing member abuts against the end surface of the inner ring of the second bearing.
  • first bearing and a second bearing housed in the first cooling cavity.
  • the second cooling cavity includes a third accommodating cavity for accommodating a third bearing.
  • the third accommodating cavity has a mounting groove for accommodating a third bearing.
  • the second cooling cavity further includes a fourth accommodating cavity for accommodating the second gear, and a fifth accommodating cavity for accommodating the third gear.
  • the third accommodating cavity is in communication with the fourth accommodating cavity and the fifth accommodating cavity, and the third accommodating cavity is between the fourth accommodating cavity and the fifth accommodating cavity.
  • the liquid storage cavity has a liquid storage portion for storing cooling liquid, and a gas containing portion for containing gas.
  • the valve matches different flow rates of cooling fluid according to the difference in the heat generation of the bearings at both ends of the main shaft and delivers them to the heating parts of the bearings through the shunt pipeline.
  • Part of the cooling liquid is delivered to the first liquid inlet and the second liquid inlet through the branch pipe, and flows into the first cooling cavity to cool the first bearing and the second bearing arranged at the front end of the main shaft.
  • Another part of the cooling liquid is delivered to the third liquid inlet through the branch pipe and flows into the second cooling cavity to cool the third bearing arranged at the rear end of the main shaft in the second cooling cavity.
  • the cooling liquid in the first cooling cavity flows back into the liquid storage cavity through the first liquid outlet, and the cooling liquid in the second cooling cavity flows back into the liquid storage cavity through the second liquid outlet.
  • the coolant cools the main shaft by heat dissipation.
  • the pump extracts the cooling liquid from the liquid storage cavity after heat absorption and heating, and then sends it to the filter device and the cooling device for filtering and cooling.
  • the cooled cooling liquid is delivered to the valve, waiting for the next distribution and delivery of the valve, so as to realize the main shaft And the function of bearing circulating cooling.
  • the heating value of the bearings at both ends of the main shaft is different through the valve, matching the flow of the cooling liquid, and directly transporting the heating bearing part through the shunt pipe, so that the cooling is more efficient.
  • the present invention uses a single motor to drive the main shaft and the pump to operate simultaneously through the transmission device, which reduces the cost of the power device, and makes full use of the kinetic energy of the motor, which has a better energy-saving effect.
  • the pump is arranged in the main shaft box, which is beneficial to protect the pump and avoid the pump from being damaged by bumps.
  • the present invention drives the coolant to flow through pumps, filtering devices, cooling devices, and valves to form a continuously circulating cooling pipeline, and filters waste residues in the coolant through the filtering device to prevent waste residues from flowing into the bearing along with the coolant This damages the bearing and protects the bearing and the spindle.
  • the cooling device is used to cool the coolant to improve the cooling and heat absorption effect of the coolant. By repeatedly cooling the coolant, the cooling time of the coolant can be prolonged, so there is no need to frequently replace the coolant in the spindle box, saving cooling Liquid cost, and further enhance the heat dissipation effect of the present invention.
  • the spindle box of the present invention has a connected liquid storage cavity, a first cooling cavity, and a second cooling cavity, so that the cooling fluid only circulates in the spindle box, avoiding contamination of the cooling fluid, and further extending the cooling fluid Service life.
  • the leakage of the cooling liquid can be effectively prevented, so that the cutting machine of the present invention is more environmentally friendly and cleaner during operation.
  • Fig. 1 is a perspective view of the external structure of the cutting body of the present invention.
  • Fig. 2 is a perspective view of another external structure of the cutting body of the present invention.
  • Figure 3 is a structural cross-sectional side view of the cutting body of the present invention.
  • Fig. 4 is a cross-sectional side view of another structure of the cutting body of the present invention.
  • Fig. 5 is a partial enlarged view of area A in Fig. 3.
  • Fig. 6 is a partial enlarged view of area B in Fig. 4.
  • Fig. 7 is a partial cut-away perspective view of the structure of the cutting body.
  • Diversion pipe-10 first diversion pipe-101; first diversion branch pipe-1011;
  • Cooling device-14 second pipe -141; third pipe -142; headstock-2;
  • Liquid storage cavity-21 first cooling cavity-22; first liquid inlet-221; first liquid inlet-2211;
  • PTO shaft-321 transmission connecting rod-322; first gear-323; second gear-324;
  • a cutting machine with efficient heat dissipation includes a main body of the cutting machine; wherein, it also includes a heat dissipation device for dissipating heat from the main shaft 4 bearing of the main body of the cutting machine through flowing cooling liquid.
  • the heat dissipating device includes a cooling liquid conveying pipe for conveying cooling liquid to the heat generating part of the main body of the cutting machine; the cooling liquid conveying pipe includes two or more shunt pipes 10 for cooling more than two heat generating parts in a one-to-one correspondence.
  • the shunt pipe 10 is equipped with a valve (not shown in the figure) that matches the flow of the coolant according to the heat generated by the heating part.
  • the valve can be an adjustable solenoid valve.
  • the valve matches different flow rates of cooling fluid according to the difference in the heat generation of the bearings at both ends of the main shaft 4 and delivers them to the bearing heating parts through the shunt pipe 10.
  • the present invention can directly transport the cooling liquid to the heating part of the bearing through the shunt pipe 10, can fully cool the bearing, and avoid deformation and damage of the bearing due to high temperature.
  • the present invention distributes different flows of cooling liquid according to the different heat of the bearing heating part, so that the cooling is more accurate and efficient.
  • the main body of the cutting machine includes a headstock 2; the shunt pipe 10 is provided in the headstock 2 and extends toward the heat generating part.
  • This structure can protect the shunt pipe 10 and prevent the shunt pipe 10 from being damaged by collision.
  • the valve is arranged in the spindle box 2.
  • the valve can be prevented from being damaged by knocks.
  • the diversion pipeline 10 further includes a diversion valve 11, and the valve is provided in the diversion valve 11.
  • the flow rate is matched and calculated through the valve first, and then the coolant with the calculated flow rate is delivered to the diversion pipe 10 through the diversion valve 11.
  • the diverter valve 11 is installed on the inner side wall of the spindle box 2 to protect the diverter valve 11 and prevent the diverter valve 11 from being damaged by knocks.
  • the heat dissipation device includes a driving device for driving the flow of the cooling liquid, and the driving device provides a driving force for the flow of the cooling liquid, so that the cooling liquid can circulate in the headstock 2.
  • the driving device includes a pump 12.
  • the pump 12 is relatively inexpensive and can reduce costs.
  • the pump 12 is arranged in the headstock 2 to facilitate the pump 12 to pump the cooling liquid and prevent the pump 12 from being bumped.
  • the main body of the cutting machine includes a power device 3 that drives the main shaft 4 to rotate, and the pump 12 is powered by the power device 3.
  • This structure only needs a single power device 3 to drive the rotation of the main shaft 4 and the operation of the pump 12 at the same time, which reduces the cost of the power device 3 and makes full use of the kinetic energy of the power device 3, which has better energy-saving effects.
  • the power device 3 includes a motor 31, and the motor 31 is used to drive the motor at a relatively low cost, which is convenient for maintenance and can effectively reduce the cost.
  • the power input end of the pump 12 is in transmission connection with the power output end of the motor 31.
  • the impeller in the pump 12 is driven to rotate to drive the coolant to flow.
  • the mechanical energy output by the motor 31 is fully utilized and improved at the same time.
  • the transmission efficiency of the mechanical energy of the motor 31 is improved.
  • the power device 3 further includes a transmission device 32 connected between the power output end of the motor 31 and the main shaft 4.
  • the transmission device 32 enables the motor 31 to drive the pump 12 while operating, while also outputting mechanical energy to the main shaft 4.
  • the main shaft 4 is driven to rotate, and the utilization rate of the mechanical energy of the motor 31 is improved.
  • the transmission device 32 includes a first transmission output end that is drivingly connected to the main shaft 4 and a second transmission output end that is drivingly connected to the power input end of the pump 12.
  • the pump 12 has a power input shaft 121 drivingly connected to the second transmission output end.
  • the power input shaft 121 is connected with the impeller in the pump 12, and the second transmission output end transmits the rotational kinetic energy to the power input shaft 121 during operation, and then the power input shaft 121 drives the impeller to rotate, so that the pump 12 extracts coolant and drives the coolant flow.
  • the transmission device 32 includes a power output shaft 321 drivingly connected to the power input shaft 121, one end of the power output shaft 321 is connected to the output shaft of the motor 31, and the other end is connected to the power input shaft 121.
  • the power input shaft 121 and the power output shaft 321 are connected together by the transmission link 322, so that the power input shaft 121 and the power output shaft 321 are more convenient to disassemble and assemble.
  • the power input shaft 121 and the transmission connecting rod 322 are connected together by a coupling, and the coupling is adopted, which can reduce the installation accuracy and counterweight requirements between the power input shaft 121 and the transmission connecting rod, alleviate impact and change The natural frequency of the shafting avoids hazardous vibrations.
  • the power output shaft 321 and the transmission connecting rod 322 are connected together by a flange, and a flange connection is adopted, which is more convenient for disassembly and assembly, and has a higher connection strength.
  • the power input shaft 121 and the coupling are connected by a flat key, and the flat key is used to facilitate torque transmission, and has a simple structure, convenient disassembly and assembly, and high positioning accuracy.
  • the coupling and the transmission connecting rod 322 are connected by a flat key, and the flat key is used to facilitate torque transmission, and has a simple structure, convenient disassembly and assembly, and high positioning accuracy.
  • the transmission device 32 further includes a first transmission component connected between the motor 31 and the power output shaft 321 and a second transmission component connected between the power output shaft 321 and the main shaft 4.
  • the first transmission component includes a first gear 323 provided on the output shaft of the motor 31, and a second gear 324 provided on the power output shaft 321 and matched with the first gear 323 .
  • the gear transmission connection is adopted, the working stability and transmission efficiency are higher, and the structure is simple, which is convenient for maintenance.
  • the second transmission component includes a third gear 325 provided on the main shaft 4, and an external tooth 326 formed on the peripheral surface of the power output shaft 321 and matched with the third gear 325,
  • the gears are connected with the external teeth 326, the working stability and transmission efficiency are higher, and the structure is simple, which is convenient for maintenance.
  • the liquid inlet end of the pump 12 is provided with a liquid suction pipe 122 for pumping cooling liquid, so as to facilitate the pump 12 to pump the cooling liquid.
  • the liquid inlet end of the liquid suction pipe 122 is located in the spindle box 2 to facilitate the extraction of the cooling liquid.
  • the liquid inlet end of the liquid suction pipe 122 is inserted into the cooling liquid of the spindle box 2 so that the pump 12 maintains the liquid inlet end of the liquid suction pipe 122 in a vacuum state when the cooling liquid is drawn, which facilitates rapid cooling of the cooling liquid.
  • the heat dissipating device also includes a filter device 13 for filtering the coolant.
  • the filter device 13 can filter the waste residue in the coolant to prevent the waste residue from flowing into the bearing with the coolant, thereby damaging the bearing, thereby protecting the bearing and the spindle 4 .
  • the liquid inlet end of the filter device 13 is connected with the liquid outlet end of the pump 12, and the pump 12 extracts the coolant from the spindle box 2, and then sends it to the filter device 13 to filter the coolant.
  • the liquid inlet end of the filter device 13 and the liquid outlet end of the pump 12 are connected together through the first pipe 131, and the pipe is used to flexibly connect the pump 12 and the filter device 13, the connection structure is simple, and the disassembly It is more convenient to install.
  • the filter device 13 is connected to the outside of the spindle box 2 to facilitate maintenance and replacement of filter parts, and to facilitate the collection and cleaning of the filtered filter residue.
  • the filter device 13 is arranged on the outside of the headstock 2, the first pipe 131 penetrates the side wall of the headstock 2.
  • the first pipe 131 and the side wall of the headstock 2 are sealed together.
  • a sealing ring and sealant can be used to enhance the sealing effect between the headstock 2 and the first pipe 131.
  • the heat dissipating device further includes a cooling device 14 for cooling the cooling liquid.
  • the cooling device 14 can cool the cooling liquid to improve the cooling and heat absorption effect of the cooling liquid, and by repeatedly cooling the cooling liquid, the cooling can be prolonged.
  • the cooling aging of the liquid does not require frequent replacement of the cooling liquid in the spindle box 2, thus saving the cost of the cooling liquid and further improving the heat dissipation effect of the present invention.
  • the cooling device 14 is connected between the liquid outlet end of the filter device 13 and the diverter valve 11.
  • the pump 12, the filter device 13, the cooling device 14 and the diverter valve 11 are sequentially connected.
  • the pump 12 extracts the coolant in the spindle box 2 and sends it to the filter device 13 for filtering, and then the filtered
  • the coolant is delivered to the cooling device 14 for cooling, and then the cooled filtrate is delivered to the diverter valve 11 for matching and splitting.
  • the coolant is diverted to various heat-generating parts for heat dissipation and cooling, and then returned to the spindle box 2 and then pumped by the pump 12 Repeat the above conveying action.
  • the heat dissipation device forms a cooling liquid circulating and conveying circuit on the spindle box 2, thereby saving the amount of cooling liquid, reducing the pollution and consumption of the cooling liquid, and greatly saving the cooling cost.
  • the liquid inlet end of the cooling device 14 and the liquid outlet end of the filter device 13 are connected together by a second pipe 141.
  • the flexible pipe connection is adopted, the connection structure is simple, and the disassembly and assembly are more convenient.
  • the liquid outlet end of the cooling device 14 and the liquid inlet end of the diverter valve 11 are connected together by a third pipe 142.
  • the flexible pipe connection is adopted, the connection structure is simple, and the disassembly and assembly are more convenient.
  • the cooling device 14 is connected to the outside of the headstock 2 to facilitate maintenance of the cooling device 14 and replacement of cooling parts in the pit.
  • the third pipe 142 penetrates the side wall of the headstock 2.
  • the third pipe 142 is connected to the side wall of the headstock 2 in a sealed manner.
  • a sealing ring and sealant can be used to enhance the sealing effect between the headstock 2 and the third pipe 142.
  • the spindle box 2 includes a liquid storage cavity 21 for storing coolant, a first cooling cavity 22 for cooling the bearing at one end of the spindle 4, and a second cooling cavity 23 for cooling the bearing at the other end of the spindle 4.
  • the first bearing 51 and the second bearing 52 are installed in the first cooling cavity 22, and the third bearing 53 is installed in the second cooling cavity 23.
  • one end of the main shaft 4 is provided with a first bearing 51 and a second bearing 52, and the other end of the main shaft 4 is provided with a third bearing 53, so the first cooling
  • the mounting positions of the corresponding bearings of the cavity 22 and the second cooling cavity 23 are distributed at both ends of the spindle box 2, and the liquid storage cavity 21 is located between the first cooling cavity 22 and the second cooling cavity 23.
  • one end of the liquid storage cavity 21 is in communication with the first cooling cavity 22 and the other end is in communication with the second cooling cavity 23.
  • the side wall of the liquid storage chamber 21 is provided with a first communication port communicating with the first cooling chamber 22 and a second communication port communicating with the second cooling chamber 23.
  • the cooling liquid flows in and out of the first communication port through the first communication port.
  • a cooling cavity 22, the cooling liquid flows in and out of the second cooling cavity 23 through the second communication port.
  • the first communication port includes a first liquid inlet 221 for cooling liquid to enter the first cooling cavity 22, and the second communication port includes a second liquid inlet 231 for cooling liquid to enter the second cooling cavity 23.
  • the branch pipe 10 includes a first branch pipe 101 and a second branch pipe 102.
  • the first branch pipe 101 communicates with the first liquid inlet 221; the second branch pipe 102 communicates with the second liquid inlet 231.
  • the diverter valve 11 is delivered to the first liquid inlet 221 and the second liquid inlet 231 through the first branch pipe 101 and the second branch pipe 102, respectively, so that the cooling liquid Enter the first cooling cavity 22 and the second cooling cavity 23.
  • the cooling liquid in the pipe can be driven by the pump 12 to accelerate the inflow of the cooling liquid into the first liquid inlet 221 and the second liquid inlet 231.
  • the first liquid inlet 221 includes the first cooling cavity. 22.
  • the first liquid inlet 2211 and the second liquid inlet 2212 can flow into the cooling liquid at the same time, which can accelerate the flow rate of the cooling liquid into the first cooling cavity 22 at the same time. Increasing the flow of coolant makes the cooling of the two bearings more efficient.
  • the headstock 2 is also provided with a transition between the liquid storage chamber 21 and the first cooling chamber 22
  • the cavity 24 and the transition cavity 24 are used for accommodating the first branch pipe 1011 and the second branch pipe 1012.
  • the side wall of the transition cavity 24 is provided with a clamping hole 241 communicating with the liquid storage chamber 21, and the clamping hole 241 is used to fix the first branch branch 1011.
  • the second branch pipe 1012 With the second branch pipe 1012.
  • the first communication port further has a first liquid outlet 222 for the cooling liquid to flow back to the liquid storage chamber 21, and the second communication port has a second liquid outlet 232 for the cooling liquid to flow back to the liquid storage chamber 21;
  • the liquid outlet 222 is opened on the side wall of the first cooling cavity 22, the cooling liquid in the first cooling cavity 22 flows out of the first liquid outlet 222 back to the liquid storage cavity 21;
  • the second liquid outlet 232 is opened in the second The cooling liquid in the second cooling cavity 23 on the side wall of the cooling cavity 23 flows out of the second liquid outlet 232 and flows back to the liquid storage cavity 21.
  • the first cooling cavity 22 includes a first accommodating cavity 223 for accommodating the first bearing 51, a second accommodating cavity 224 for accommodating the second bearing 52, and the first accommodating cavity 223 for fixing the first bearing 51 ,
  • the second accommodating cavity 224 is used to fix the second bearing 52.
  • the second accommodating cavity 224 is provided corresponding to the second liquid inlet 2212, and the cooling liquid in the second liquid inlet 2212 can flow into the second accommodating cavity 224 to cool the second bearing 52.
  • the second accommodating cavity 224 is provided directly below the second liquid inlet 2212. This structure enables the cooling liquid in the second liquid inlet 2212 to enter the second accommodating cavity 224 more quickly and quickly interact with the second liquid inlet 2212.
  • the second bearing 52 contacts and absorbs heat, which improves the heat dissipation efficiency.
  • the first cooling cavity 22 further includes an oil guide sleeve 225 that guides the cooling liquid from the first liquid inlet 221 to the first accommodating cavity 223 and the second accommodating cavity 224.
  • the two end surfaces of the oil guide sleeve 225 abut against the end surfaces of the first bearing 51 and the second bearing 52 to have a certain limit effect between the first bearing 51 and the second bearing 52.
  • the oil guide sleeve 225 can directly divert the coolant to the end surface of the first bearing 51 and the end surface of the second bearing 52, from the inside of the first bearing 51 and the second bearing 52 Cooling is performed internally to speed up the cooling and make the cooling more efficient.
  • the oil guide sleeve 225 is provided corresponding to the first liquid inlet 2211.
  • the coolant in the first liquid inlet 2211 can flow into the oil guide sleeve 225 and be guided to the first bearing 51 and the second bearing 52 under the action of the oil guide sleeve 225, so as to perform cooling and heat dissipation.
  • the oil guide sleeve 225 is provided directly below the first liquid inlet hole 2211 to speed up the flow of the coolant into the oil guide sleeve 225, thereby speeding up the introduction of the coolant into the first bearing 51 and the second bearing 52, and further improving the cooling efficiency .
  • the oil guide sleeve 225 includes an inner limit sleeve 2251 sleeved on the main shaft 4 and abutted between the inner rings of the first bearing 51 and the second bearing 52, and an inner limit sleeve 2251 sleeved outside and abutted against the inner ring of the first bearing 51 and the second bearing 52. Abutting the outer limit sleeve 2252 between the outer rings of the first bearing 51 and the second bearing 52.
  • the oil guide sleeve 225 presses against the end surfaces of the first bearing 51 and the second bearing 52, thereby restricting the movement of the first bearing 51 and the second bearing 52 in the axial direction of the main shaft 4 , So that the first bearing 51 and the second bearing 52 are installed more firmly.
  • the coolant in the first liquid inlet 2211 enters the liquid guide gap 2253 through the liquid guide hole 2255, and guides the coolant from the liquid guide gap 2253 to the first bearing 51 and the second bearing 52.
  • the bearing clearances of the first bearing 51 and the second bearing 52 are both in communication with the liquid guide gap 2253, so that the coolant can directly flow into the first bearing 51 and the second bearing 52 and perform heat absorption and cooling.
  • the bearing clearance positions of the first bearing 51 and the second bearing 52 both correspond to the fluid-conducting clearance 2553. This structure can speed up the flow of coolant into the bearing clearance, thereby accelerating the cooling of the bearing.
  • the cooling liquid flows into the liquid guide gap 2253 slowly.
  • the outer limit sleeve 2252 is formed on the peripheral surface
  • the annular liquid storage tank 2254 communicates with the liquid guide hole 2255, and the annular liquid storage tank 2254 communicates with the first liquid inlet 2211.
  • the annular liquid storage tank 2254 can temporarily store the cooling liquid flowing out of the first liquid inlet hole 2211.
  • the annular liquid storage tank 2254 corresponds to the first liquid inlet 2211.
  • the annular liquid storage tank 2254 is provided directly below the first liquid inlet hole, so that the cooling liquid in the first liquid inlet hole 2211 can directly flow into the annular liquid storage tank 2254.
  • the first cooling cavity 22 is provided with a bearing fixing member 226 at the first liquid outlet 221, and the bearing fixing member 226 can fix the first bearing 51 and the second bearing 52 in the first cooling cavity 22.
  • the bearing fixing member 226 is sleeved on the main shaft, and the end surface of the bearing fixing member 226 abuts against the end surface of the inner ring of the second bearing 52, the installation structure is simple and easy to disassemble, and will not affect the rotation of the second bearing 52 .
  • liquid outlet gap 227 between the outer circumferential surface of the bearing holder 226 and the inner side wall of the first liquid outlet 2211, and the coolant in the first cooling cavity 22 absorbs heat and then flows back to the liquid reservoir from the liquid outlet gap 227.
  • it further includes a first bearing 51 and a second bearing 52 housed in the first cooling cavity 21.
  • the second cooling cavity 23 includes a third accommodating cavity 233 for accommodating the third bearing 53, and the third accommodating cavity 233 is used for fixing the third bearing 53.
  • the second cooling cavity 23 includes a third accommodating cavity 233 for accommodating the second gear 324, a fourth accommodating cavity 234 for accommodating the third gear 325, and a fifth accommodating cavity for accommodating the third bearing 53 235.
  • the fifth accommodating cavity 235 is in communication with the third accommodating cavity 233 and the fourth accommodating cavity 234.
  • the fifth accommodating cavity 235 is located between the third accommodating cavity 233 and the fourth accommodating cavity 234.
  • the second branch pipe 102 extends into the third accommodating cavity 233, and the cooling liquid flows from the After the two-division pipe 102 flows out, the second gear 324 is now cooled, and then it flows down into the fifth accommodating cavity 235 to cool the third bearing 53, and finally the coolant flows to the fourth accommodating cavity 234 to cool the third bearing 53. After the three gears 325 are cooled, they flow out from the second liquid outlet 232 and return to the liquid storage chamber 21.
  • the fifth accommodating cavity 235 has a mounting groove 2351 for positioning and mounting the third bearing 53, and the third bearing 53 is embedded in the mounting groove 2351, so that the third bearing 53 is installed more firmly.
  • the liquid storage cavity 21 has a liquid storage portion for storing cooling liquid and a gas containing portion for containing gas.
  • the inside of the liquid storage chamber 21 is in a state of coexistence of cooling liquid and gas, and the inside of the pump 12 is filled with cooling liquid in a vacuum state. This ensures that there is always a pressure difference between the inside of the liquid storage chamber 21 and the inside of the pump 12, so that the pump 12 can maintain normal work, and the cooling liquid is drawn more smoothly.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Mounting Of Bearings Or Others (AREA)

Abstract

本发明公开一种高效散热的切割机,包括切割机主体;其中,还包括通过流动冷却液对切割机主体的主轴轴承进行散热的散热装置。所述散热装置包括对切割机主体的发热部位输送冷却液的冷却液输送管道;所述冷却液输送管道包括两个以上一一对应两个以上的发热部位进行冷却的分流管道。所述分流管道配设有根据发热部位的发热量匹配冷却液流量的阀门。采用上述结构后,与现有技术相比,本发明,能够针对轴承和主轴进行充分冷却,散热速度快且散热效率高。同时冷却液具有循环油路,节约冷却液的用量,同时减少冷却液污染和消耗,大大节省了冷却成本。

Description

一种高效散热的切割机 技术领域
本发明涉及切割机领域,具体涉及的是一种高效散热的切割机。
背景技术
切割机主要用于在机械加工过程中,对板材进行切割分离。现有的切割机主要在主轴箱内设有转动连接的主轴,主轴上安装切割锯片,并且通过驱动装置驱动主轴转动,从而带动切割锯片进行切割。
然而在切割过程中,由于主轴高速转动,会使得主轴和轴承的温度过高,从而使主轴和轴承膨胀,影响切割精度。为此设计出使用冷却液对切割机内部有进行散热的方法,虽然采用冷却液能够有效降低主轴的工作温度,但却忽视了对轴承的冷却,由于轴承主要密封安装于主轴的前后两端,冷却液很难流经轴承并对其进行冷却散热,轴承在长期高温的环境下容易膨胀变形,更严重的甚至会使轴承抱死,导致主轴和电机损坏。
有鉴于此,本申请人针对上述问题进行深入研究,遂有本案产生。
发明内容
本发明的主要目的在于提供一种高效散热的切割机,能够对轴承和主轴进行充分冷却,散热速度快且散热效率高。
为了达成上述目的,本发明的解决方案是:
一种高效散热的切割机,包括切割机主体;其中,还包括通过流动冷却液对切割机主体的主轴轴承进行散热的散热装置。
进一步的,所述散热装置包括对切割机主体的发热部位输送冷却液的冷却液输送管道;所述冷却液输送管道包括两个以上一一对应两个以上的发热部位进行冷却的分流管道。
进一步的,所述分流管道配设有根据发热部位的发热量匹配冷却液流量的阀门。
进一步的,所述切割机主体包括主轴箱;所述分流管道设于所述主轴箱内,并朝向发热部位延伸设置。
进一步的,所述阀门设于所述主轴箱内。
进一步的,所述分流管道还包括分流阀,所述阀门设于所述分流阀内。
进一步的,所述分流阀安装在所述主轴箱的内侧壁。
进一步的,其特征在于:所述散热装置包括驱动冷却液流动的驱动装置。
进一步的,所述驱动装置包括泵,所述泵设于所述主轴箱内。
进一步的,所述切割机主体包括驱动主轴转动的动力装置。
进一步的,所述泵由所述动力装置提供动力。
进一步的,所述动力装置包括电机。
进一步的,所述泵的动力输入端与所述电机的动力输出端传动连接。
进一步的,所述动力装置还包括连接于所述电机的动力输出端和主轴之间的传动装置。
进一步的,所述传动装置包括与主轴传动连接的第一传动输出端,以及与所述泵的动力输入端传动连接的第二传动输出端。
进一步的,所述泵具有与所述第二传动输出端传动连接的动力输入轴。
进一步的,所述传动装置包括与所述动力输入轴传动连接的动力输出轴。
进一步的,所述动力输入轴和动力输出轴之间通过传动连杆连接在一起。
进一步的,所述动力输入轴和传动连杆通过联轴器连接在一起。
进一步的,所述动力输出轴和传动连杆通过法兰连接在一起。
进一步的,所述动力输入轴和联轴器通过平键连接。
进一步的,所述联轴器和所述传动连杆通过平键连接。
进一步的,所述法兰和所述传动连杆通过平键连接。
进一步的,所述传动装置还包括连接于电机和动力输出轴之间的第一传动部件,以及连接于动力输出轴和主轴之间的第二传动部件。
进一步的,所述第一传动部件包括设于电机的输出轴上的第一齿轮,和设于动力输出轴上并与第一齿轮相配合的第二齿轮。
进一步的,所述第二传动部件包括设于主轴上的第三齿轮,和形成于动力输出轴周面上并与第三齿轮相配合的外齿牙。
进一步的,所述泵的进液端设有抽冷却液的抽液管。
进一步的,所述抽液管的进液端处于所述主轴箱内。
进一步的,所述抽液管的进液端插入到主轴箱的冷却液中。
进一步的,所述散热装置还包括对冷却液进行过滤的过滤装置。
进一步的,所述过滤装置的进液端与所述泵的出液端连接。
进一步的,所述过滤装置的进液端与所述泵的出液端通过第一管道连接在一起。
进一步的,所述过滤装置连接在所述主轴箱的外侧。
进一步的,所述第一管道贯穿所述主轴箱的侧壁。
进一步的,所述第一管道与主轴箱的侧壁密封连接在一起。
进一步的,还包括对冷却液进行冷却的冷却装置。
进一步的,所述冷却装置连接于过滤装置的出液端和分流阀之间。
进一步的,所述冷却装置的进液端和过滤装置的出液端通过第二管道连接在一起。
进一步的,所述冷却装置的出液端和分流阀的进液端之间通过第三管道连接在一起。
进一步的,所述冷却装置连接在所述主轴箱的外侧。
进一步的,所述第三管道贯穿所述主轴箱的侧壁。
进一步的,所述第三管道与主轴箱的侧壁密封连接在一起。
进一步的,所述主轴箱包括储存冷却液的储液腔,对主轴一端的轴承进行冷却的第一冷却腔,以及对主轴另一端的轴承进行冷却第二冷却腔。
进一步的,所述储液腔处于第一冷却腔和第二冷却腔之间。
进一步的,所述储液腔的一端与第一冷却腔连通且另一端与第二冷却腔连通。
进一步的,所述储液腔的侧壁设有与第一冷却腔连通的第一连通口,以及与第二冷却腔连通的第二连通口。
进一步的,所述第一连通口包括供冷却液进入第一冷却腔的第一进液口,所述第二连通口包括供冷却液进入第二冷却腔的第二进液口。
进一步的,所述分流管道包括第一分流管道和第二分流管道,所述第一分流管道与所述第一进液口连通;所述第二分流管道与所述第二进液口连通。
进一步的,所述第一进液口包括第一进液孔和第二进液孔,所述第一分流管道包括第一分流支管和第二分流支管,所述第一进液孔和第一分流支管连接,所述第二进液孔和第二分流支管连接。
进一步的,所述主轴箱还设有连通于所述储液腔和所述第一冷却腔之间的过渡腔。
进一步的,所述过渡腔的侧壁设有连通所述储液腔的夹持孔,所述夹持孔固定第一分流支管与第二分流支管。
进一步的,所述第一连通口还具有供冷却液回流至储液腔的第一出液口,所述第二连通口还具有供冷却液回流至储液腔的第二出液口。
进一步的,所述第一冷却腔包括容置第一轴承的第一容置腔,和容置第二轴承的第二容置腔。
进一步的,所述第二容置腔对应所述第二进液孔设置。
进一步的,第二容置腔设在第二进液孔的正下方。
进一步的,所述第一冷却腔还包括将冷却液从第一进液口导向第一容置腔和第二容置腔的导油套。
进一步的,所述导油套对应所述第一进液孔设置。
进一步的,所述导油套设在第一进液孔的正下方。
进一步的,所述导油套包括套设在主轴上并抵顶于第一轴承和第二轴承内圈之间的内限位套,以及套设在内限位套外并抵顶于第一轴承和第二轴承外圈之间的外限位套。
进一步的,所述内限位套和外限位套之间具有导液间隙,所述外限位套形成有与所述间隙相连通的导液孔。
进一步的,所述第一轴承和第二轴承的轴承游隙均与所述导液间隙连通。
进一步的,所述第一轴承和第二轴承的轴承游隙均与所述导液间隙相对应。
进一步的,所述外限位套的周面形成有与所述导液孔连通的环形储液槽,所述环形储液槽与所述第一进液孔连通。
进一步的,所述环形储液槽与所述第一进液孔相对应。
进一步的,所述环形储液槽设在所述第一进液孔的正下方。
进一步的,所述第一冷却腔在第一出液口处设有轴承固定件。
进一步的,所述轴承固定件套设在主轴上,并且轴承固定件的端面与第二轴承的内圈端面抵顶。
进一步的,所述轴承固定件的外圆周面与第一出液口的内侧壁之间具有出液间隙。
进一步的,还包括容置于所述第一冷却腔内的第一轴承和第二轴承。
进一步的,所述第二冷却腔包括容置第三轴承的第三容置腔。
进一步的,所述第三容置腔内具有容置第三轴承的安装槽。
进一步的,所述第二冷却腔还包括容置二齿轮的第四容置腔,,容置第三齿轮的第五容置腔。
进一步的,所述第三容置腔与第四容置腔以及第五容置腔连通,并且所述第三容置腔处于第四容置腔和第五容置腔之间。
进一步的,还包括容置于所述第二冷却腔内的第三轴承。
进一步的,所述储液腔内具有储存冷却液的储液部,以及容置气体的容气部。
采用上述结构后,本发明切割机在工作时,阀门根据主轴两端轴承的发热量不同,匹配不同流量的冷却液并通过分流管道输送至轴承发热部位上。其中部分冷却液通过分流管道输送至第一进液口和第二进液口,并流入第一冷却腔内对设在主轴前端的第一轴承和第二轴承进行冷却。另一部分冷却液通过分流管道输送至第三进液口,并且流入第二冷却腔内,对第二冷却腔内设在主轴后端的第三轴承进行冷却。之后第一冷却腔内的冷却液通过第一出液口回流至储液腔内,第二冷却腔内的冷却液通过第二出液口回流至储液腔内,所述储液腔内的冷却液对主轴进行散热冷却。然后泵抽取储液腔内吸热升温后的冷却液并依次输送至过滤装置和冷却装置进行过滤以及冷却,最后将冷却后的冷却液输送至阀门,等待阀门下一次分配输送,从而实现对主轴和轴承循环冷却的功能。
与现有技术相比,有益效果在于:
其一,本发明通过阀门对主轴两端轴承的发热量不同,匹配冷却液的流量,并通过分流管道直接输送至发热的轴承部位,使得冷却更加高效。
其二,本发明使用单个电机通过传动装置同时驱动主轴和泵运行,降低了动力装置的成本,并且充分利用电机的动能,具有更好的节能效果。并且将泵设在主轴箱内,有利于保护泵,避免泵受到磕碰损坏。
其三,本发明通过泵、过滤装置、冷却装置以及阀门驱动冷却液流动,形成一个可持续循环的冷却管路,并且通过过滤装置过滤冷却液中的废渣,防止废渣随冷却液一同流入轴承内部从而损坏轴承,起到保护轴承和主轴的效果。并且通过冷却装置对冷却液进行冷却降温,提高冷却液的冷却和吸热效果,通过反复对冷却液进行冷却,可以延长冷却液的冷却时效,因此不用经常更换主轴箱内的冷却液,节省冷却液成本,并进一步增强本发明的散热效果。
其四,本发明的主轴箱内具有相连通的储液腔、第一冷却腔以及第二冷却腔,使得冷却液只在主轴箱内进行循环流动,避免冷却液受到污染,进一步延长冷却液的使用寿命。并且能够有效防止冷却液外漏,使得本发明切割机工作时更加环保洁净。
附图说明
图1为本发明切割主体的外形结构立体图。
图2为本发明切割主体的另一外形结构立体图。
图3为本发明切割主体的结构剖面侧视图。
图4为本发明切割主体的另一结构剖面侧视图。
图5为图3中A区域的局部放大图。
图6为图4中B区域的局部放大图。
图7为切割主体的结构局部剖视立体图。
图中:
分流管道-10;第一分流管道-101;第一分流支管-1011;
第二分流支管-1012;第二分流管道-102;分流阀-11;泵-12;
动力输入轴-121;抽液管-122;过滤装置-13;第一管道-131;
冷却装置-14;第二管道-141;第三管道-142;主轴箱-2;
储液腔-21;第一冷却腔-22;第一进液口-221;第一进液孔-2211;
第二进液孔-2212;第一出液口-222;第一容置腔-223;
第二容置腔-224;导油套-225;内限位套-2251;
外限位套-2252;导液间隙-2253;环形储液槽-2254;
导液孔-2255;轴承固定件-226;出液间隙-227;第二冷却腔-23;
第二进液口-231;第二出液口-232;第三容置腔-233;
第四容置腔-234;第五容置腔-235;安装槽-2351;过渡腔-24;
夹持孔-241;动力装置-3;电机-31;传动装置-32;
动力输出轴-321;传动连杆-322;第一齿轮-323;第二齿轮-324;
第三齿轮-325;外齿牙-326;主轴-4;第一轴承-51;
第二轴承-52;第三轴承-53。
具体实施方式
为了进一步解释本发明的技术方案,下面通过具体实施例来对本发明进行详细阐述。
如图1-7所示,一种高效散热的切割机,包括切割机主体;其中,还包括通过流动冷却液对切割机主体的主轴4轴承进行散热的散热装置。散热装置包括对切割机主体的发热部位输送冷却液的冷却液输送管道;冷却液输送管道包括两个以上一一对应两个以上的发热部位进行冷却的分流管道10。分流管道10配设有根据发热部位的发热量匹配冷却液流量的阀门(图未示),在本实施例中,阀门可选用可调电磁阀。
采用上述结构后,本发明切割机在工作时,阀门根据主轴4两端轴承的发热量不同,匹配不同流量的冷却液并通过分流管道10输送至轴承发热部位上。与现有技术相比,本发明可通过分流管道10将冷却液直接输送至轴承发热部位,能够对轴承进行充分冷却,避免轴承因高温而变形损坏。此外,本发明根据轴承发热部位不同的热量分配不同流量的冷却液,使得冷却更加精确高效。
优选的,切割机主体包括主轴箱2;分流管道10设于主轴箱2内,并朝向发热部位延伸设置。此结构可保护分流管道10,避免分流管道10磕碰损坏。
优选的,阀门设于主轴箱2内。采用上述结构,可避免阀门受到磕碰损坏。
优选的,分流管道10还包括分流阀11,阀门设于分流阀11内。采用此结构,先通过阀门对流量进行匹配计算,再通过分流阀11将计算出流量的冷却液输送至分流管道10。
优选的,分流阀11安装在主轴箱2的内侧壁,可保护分流阀11,避免分流阀11受到磕碰损坏。
优选的,散热装置包括驱动冷却液流动的驱动装置,驱动装置为冷却液流动提供驱动力,使得冷却液可在主轴箱2内循环流动。
优选的,驱动装置包括泵12,采用泵12价格较为低廉,可降低成本,并且泵12设于主轴箱2内,方便泵12抽取冷却液,同时可避免泵12体受到磕碰。
优选的,切割机主体包括驱动主轴4转动的动力装置3,并且泵12由动力装置3提供动力。此结构只需采用单个动力装置3便可同时驱动主轴4转动以及泵12的运行,降低了动力装置3的成本,并且充分利用了动力装置3的动能,具有更好的节能效果。
优选的,动力装置3包括电机31,采用电机31驱动成本较为低廉,方便维修,可有效降低成本。
优选的,泵12的动力输入端与电机31的动力输出端传动连接,电机31转动时带动泵12内的叶轮转动从而驱动冷却液流动,电机31的输出的机械能得到了充分的利用,同时提高了电机31机械能的传动效率。
优选的,动力装置3还包括连接于电机31的动力输出端和主轴4之间的传动装置32,传动装置32使得电机31在驱动泵12运行的同时,还能将机械能传动输出给主轴4,从而驱动主轴4转动,提高了电机31的机械能利用率。
更优选的,传动装置32包括与主轴4传动连接的第一传动输出端,以及与泵12的动力输入端传动连接的第二传动输出端。
优选的,泵12具有与第二传动输出端传动连接的动力输入轴121。动力输入轴121与泵12内的叶轮连接,工作时第二传动输出端将转动动能传递至动力输入轴121,再由动力输入轴121带动叶轮转动,从而实现泵12抽取冷却液并驱动冷却液流动。
优选的,传动装置32包括与动力输入轴121传动连接的动力输出轴321,动力输出轴321的一端与电机31的输出转轴连接,且另一端与动力输入轴121连接。
更优选的,动力输入轴121和动力输出轴321之间通过传动连杆322连接在一起,使得动力输入轴121与动力输出轴321之间拆装更加方便。
优选的,动力输入轴121和传动连杆322通过联轴器连接在一起,采用联轴器连接,可降低动力输入轴121和传动连接杆之间的安装精度和对重要求,缓和冲击,改变轴系的自振频率避免发生危害性振动。
优选的,动力输出轴321和传动连杆322通过法兰连接在一起,采用法盘连接,拆装更加方便,并且连接强度更高。
更优选的,动力输入轴121和联轴器通过平键连接,采用平键方便传递转矩,并且结构简单、拆装方便,定位精度高。
更优选的,联轴器和传动连杆322通过平键连接,采用平键方便传递转矩,并且结构简单、拆装方便,定位精度高。
优选的,传动装置32还包括连接于电机31和动力输出轴321之间的第一传动部件,以及连接于动力输出轴321和主轴4之间的第二传动部件。
更优选的,在本实施例中,第一传动部件包括设于电机31的输出轴上的第一齿轮323,和设于动力输出轴321上并与第一齿轮323相配合的第二齿轮324。采用齿轮传动连接,工作平稳性和传动效率更高,并且结构简单,方便维护。
更优选的,在本实施例中,第二传动部件包括设于主轴4上的第三齿轮325,和形成于动力输出轴321周面上并与第三齿轮325相配合的外齿牙326,采用齿轮和外齿牙326连接,工作平稳性和传动效率更高,并且结构简单,方便维护。
优选的,泵12的进液端设有抽冷却液的抽液管122,方便泵12抽取冷却液。
优选的,由于冷却液在主轴箱2内循环,因此抽液管122的进液端处于主轴箱2内,便于抽取冷却液。
更优选的,抽液管122的进液端插入到主轴箱2的冷却液中,使得泵12在抽取冷却液时保持抽液管122的进液端处于真空状态,便于快速抽取冷却液。
优选的,散热装置还包括对冷却液进行过滤的过滤装置13,过滤装置13可过滤冷却液中的废渣,防止废渣随冷却液一同流入轴承内部从而损坏轴承,起到保护轴承和主轴4的效果。
优选的,过滤装置13的进液端与泵12的出液端连接,泵12将主轴箱2内的冷却液抽取后,先输送至过滤装置13内对冷却液进行过滤。
更优选的,在本实施例中,过滤装置13的进液端与泵12的出液端通过第一管道131连接在一起,采用管道柔性连接泵12和过滤装置13,连接结构简单,并且拆装更加方便。
优选的,过滤装置13连接在主轴箱2的外侧,方便维护和更换过滤零件,并且方便对过滤后的滤渣进行收集和清理。
优选的,由于过滤装置13设在主轴箱2的外侧,因此第一管道131贯穿主轴箱2的侧壁。
更优选的,为了防止第一管道131与主轴箱2的连接处发生冷却液泄漏现象,第一管道131与主轴箱2的侧壁密封连接在一起。具体的,可采用密封圈和密封胶来增强主轴箱2与第一管道131之间的密封效果。
优选的,散热装置还包括对冷却液进行冷却的冷却装置14,冷却装置14可对冷却液进行冷却降温,提高冷却液的冷却和吸热效果,并且通过反复对冷却液进行冷却,可以延长冷却液的冷却时效,不用经常更换主轴箱2内的冷却液,因此节省冷却液成本,并进一步提高本发明的散热效果。
优选的,冷却装置14连接于过滤装置13的出液端和分流阀11之间。采用上述结构后,泵12、过滤装置13、冷却装置14以及分流阀11之间依次连接,泵12将主轴箱2内的冷却液抽取后输送至过滤装置13进行过滤,之后再将过滤后的冷却液输送至冷却装置14进行冷却,然后将冷却后的过滤液输送至分流阀11进行匹配分流,最后冷却液分流至各个发热部位进行散热冷却后,回流至主轴箱2内再由泵12抽取重复上述输送动作。使得散热装置在主轴箱2上形成一个冷却液循环输送回路,从而节约冷却液的用量,同时减少冷却液污染和消耗,大大节省了冷却成本。
优选的,冷却装置14的进液端和过滤装置13的出液端通过第二管道141连接在一起。采用管道柔性连接,连接结构简单,并且拆装更加方便。
优选的,冷却装置14的出液端和分流阀11的进液端之间通过第三管道142连接在一起。采用管道柔性连接,连接结构简单,并且拆装更加方便。
优选的,冷却装置14连接在主轴箱2的外侧,方便维修冷却装置14,以及坑换冷却零件。
优选的,由于冷却装置14连接在主轴箱2的外侧,因此第三管道142贯穿主轴箱2的侧壁。
更优选的,为了防止第三管道142与主轴箱2的连接处发生冷却液泄漏现象,第三管道142与主轴箱2的侧壁密封连接在一起。具体的,可采用密封圈和密封胶来增强主轴箱2与第三管道142之间的密封效果。
优选的,主轴箱2包括储存冷却液的储液腔21,对主轴4一端的轴承进行冷却的第一冷却腔22,以及对主轴4另一端的轴承进行冷却第二冷却腔23。在本实施例中,第一冷却腔22内安装第一轴承51和第二轴承52,第二冷却腔23内安装第三轴承53。
优选的,由于主轴4贯穿主轴箱2设置,在本实施例中,主轴4的一端设有第一轴承51和第二轴承52,主轴4的另一端设有第三轴承53,因此第一冷却腔22和第二冷却腔23对应轴承的安装位置分布在主轴箱2的两端,储液腔21处于第一冷却腔22和第二冷却腔23之间。
更优选的,储液腔21的一端与第一冷却腔22连通且另一端与第二冷却腔23连通,采用此结构,使得第一冷却腔22和第二冷却腔23内的冷却液在吸热冷却后可以向主轴箱2的中部回流至储液腔21内。
优选的,储液腔21的侧壁设有与第一冷却腔22连通的第一连通口,以及与第二冷却腔23连通的第二连通口,冷却液通过第一连通口流入和流出第一冷却腔22,冷却液通过第二连通口流入和连出第二冷却腔23。
更优选的,述第一连通口包括供冷却液进入第一冷却腔22的第一进液口221,第二连通口包括供冷却液进入第二冷却腔23的第二进液口231。
优选的,分流管道10包括第一分流管道101和第二分流管道102,第一分流管道101与第一进液口221连通;第二分流管道102与第二进液口231连通。采用上述结构后,冷却液通过阀门进行流量匹配后,分流阀11通过第一分流管道101和第二分流管道102分别输送至第一进液口221和第二进液口231,从而使冷却液进入第一冷却腔22和第二冷却腔23内。采用管道柔性连接,在管道内的冷却液能够在泵12的驱动下加快流入冷却液流入第一进液口221和第二进液口231。
优选的,由于第一冷却腔22内设有第一轴承51和第二轴承52,因此第一冷却腔22内需要较多的冷却液,所以第一进液口221包括设在第一冷却腔22上表面的第一进液孔2211和第二进液孔2212,第一分流管道101包括第一分流支管1011和第二分流支管1012,第一进液孔2211和第一分流支管1011连接,第二进液孔2212和第二分流支管1012连接,采用此结构,第一进液孔2211和第二进液孔2212可同时流入冷却液,可加速冷却液流入第一冷却腔22的流速同时增加冷却液的流量,使得对两个轴承的冷却更加高效。
优选的,为了防止第一分流支管1011和第二分流支管1012在主轴箱2内窜动而相互打结,主轴箱2还设有连通于储液腔21和第一冷却腔22之间的过渡腔24,过渡腔24用于容置第一分流支管1011和第二分流支管1012。
更优选的,为了进一步固定第一分流支管1011和第二分流支管1012,过渡腔24的侧壁设有连通储液腔21的夹持孔241,夹持孔241用于固定第一分流支管1011与第二分流支管1012。
优选的,第一连通口还具有供冷却液回流至储液腔21的第一出液口222,第二连通口具有供冷却液回流至储液腔21的第二出液口232;第一出液口222开设在第一冷却腔22的侧壁上,第一冷却腔22内的冷却液由第一出液口222流出回流至储液腔21;第二出液口232开设在第二冷却腔23的侧壁上第二冷却腔23内的冷却液由第二出液口232流出回流至储液腔21。
优选的,第一冷却腔22包括容置第一轴承51的第一容置腔223,容置第二轴承52的第二容置腔224,第一容置腔223用于固定第一轴承51,第二容置腔224用于固定第二轴承52。
优选的,第二容置腔224对应第二进液孔2212设置,第二进液孔2212内的冷却液可流入第二容置腔224内对第二轴承52进行冷却。
更优选的,第二容置腔224设在第二进液孔2212的正下方,此结构使得第二进液孔2212内的冷却液能够更快进入第二容置腔224,并快速与第二轴承52接触吸热,提高了散热效率。
优选的,第一冷却腔22还包括将冷却液从第一进液口221导向第一容置腔223和第二容置腔224的导油套225。导油套225的两个端面与第一轴承51和第二轴承52的端面抵顶,对第一轴承51和第二轴承52之间起到一定限位效果。同时,当冷却液进入导油套225后,导油套225可将冷却液直接分流至第一轴承51的端面和第二轴承52的端面,从第一轴承51的内部和第二轴承52的内部进行冷却,从而加速冷却,使得冷却更加高效。
优选的,导油套225对应第一进液孔2211设置。使得第一进液孔2211内的冷却液能够人流入导油套225并在导油套225的作用下导向第一轴承51和第二轴承52,从而进行冷却散热。
更优选的,导油套225设在第一进液孔2211的正下方,加快冷却液流入导油套225的速度,从而加快冷却液导入第一轴承51和第二轴承52,进一步提高冷却效率。
优选的,导油套225包括套设在主轴4上并抵顶于第一轴承51和第二轴承52内圈之间的内限位套2251,以及套设在内限位套2251外并抵顶于第一轴承51和第二轴承52外圈之间的外限位套2252。采用上述结构后,导油套225在主轴4转动时,对第一轴承51和第二轴承52的端面进行抵顶,从而限制第一轴承51和第二轴承52沿主轴4的轴线方向窜动,使第一轴承51和第二轴承52安装更加牢固。
优选的,内限位套2251和外限位套2252之间具有导液间隙2253,外限位套2252形成有与间隙相连通的导液孔2255。采用上述结构后,第一进液孔2211内的冷却液通过导液孔2255进入导液间隙2253,并将冷却液从导液间隙2253导向第一轴承51与第二轴承52。
优选的,第一轴承51和第二轴承52的轴承游隙均与导液间隙2253连通,使得冷却液能够直接流入第一轴承51和第二轴承52内部并进行吸热冷却。
更优选的,第一轴承51和第二轴承52的轴承游隙位置均与导液间隙2553相对应,此结构可加快冷却液流入轴承游隙,从而加速轴承冷却。
优选的,由于导液孔2255孔径较小,冷却液流入导液间隙2253的速度较慢,为了防止第一进液孔2211内的冷区液四处流动,外限位套2252的周面形成有与导液孔2255连通的环形储液槽2254,环形储液槽2254与第一进液孔2211连通。环形储液槽2254可将第一进液孔2211流出的冷却液暂时存储。
优选的,环形储液槽2254与第一进液孔2211相对应。
更优选的,环形储液槽2254设在第一进液孔的正下方,加快第一进液孔2211内的冷却液能够直接流入环形储液槽2254内。
优选的,第一冷却腔22在第一出液口221处设有轴承固定件226,轴承固定件226可将第一轴承51和第二轴承52固定在第一冷却腔22内。
更优选的,轴承固定件226套设在主轴上,并且轴承固定件226的端面与第二轴承52的内圈端面抵顶,安装结构简单且方便拆装,并且不会影响第二轴承52转动。
优选的,轴承固定件226的外圆周面与第一出液口2211的内侧壁之间具有出液间隙227,第一冷却腔22内的冷却液吸收热量后由出液间隙227回流至储液腔21。
优选的,还包括容置于第一冷却腔21内的第一轴承51和第二轴承52。
优选的,第二冷却腔23包括容置第三轴承53的第三容置腔233,第三容置腔233用于固定第三轴承53。
优选的,第二冷却腔23包括容置第二齿轮324的第三容置腔233,容置第三齿轮325的第四容置腔234,以及容置第三轴承53的第五容置腔235,第五容置腔235与第三容置腔233以及第四容置腔234连通,采用上述结构,冷却液进入第二冷却腔23后,可同时对第二冷却腔23内的传动装置32和第三轴承53进行冷却,从而降低主轴箱2内部的整体温度。
更优选的,第五容置腔235处于第三容置腔233和第四容置腔234之间,采用此结构,第二分流管道102伸入至第三容置腔233,冷却液由第二分流管道102流出后,现对第二齿轮324进行冷却,之后向下流入至第五容置腔235内对第三轴承53进行冷却,最后冷却液流至第四容置腔234内对第三齿轮325进行冷却后由第二出液口232流出并回流至储液腔21内。
优选的,第五容置腔235具有对第三轴承53进行定位和安装的安装槽2351,第三轴承53嵌入安装槽2351内部,使得第三轴承53安装更加牢固。
优选的,储液腔21内具有储存冷却液的储液部,以及容置气体的容气部。采用此结构,储液腔21内部处于冷却液和气体共存的状态,而泵12的内部充满冷却液处于真空状态,这样便保证储液腔21内部与泵12的内部始终存在压力差,使泵12能够维持正常工作,且抽取冷却液更加顺畅。
上述实施例和图式并非限定本发明的产品形态和式样,任何所属技术领域的普通技术人员对其所做的适当变化或修饰,皆应视为不脱离本发明的专利范畴。

Claims (75)

1、一种高效散热的切割机,包括切割机主体;其特征在于:还包括通过流动冷却液对切割机主体的主轴轴承进行散热的散热装置。
2、根据权利要求1所述的高效散热的切割机,其特征在于:所述散热装置包括对切割机主体的发热部位输送冷却液的冷却液输送管道;所述冷却液输送管道包括两个以上一一对应两个以上的发热部位进
行冷却的分流管道。
3、根据权利要求2所述的高效散热的切割机,其特征在于:所述分流管道配设有根据发热部位的发热量匹配冷却液流量的阀门。
4、根据权利要求3所述的高效散热的切割机,其特征在于:所述切割机主体包括主轴箱;所述分流管道设于所述主轴箱内,并朝向发热部位延伸设置。
5、根据权利要求4所述的高效散热的切割机,其特征在于:所述阀门设于所述主轴箱内。
6、根据权利要求5所述的高效散热的切割机,其特征在于:所述分流管道还包括分流阀,所述阀门设于所述分流阀内。
7、根据权利要求6所述的高效散热的切割机,其特征在于:所述分流阀安装在所述主轴箱的内侧壁。
8、根据权利要求1-7中任一项所述的高效散热的切割机,其特征在于:所述散热装置包括驱动冷却液流动的驱动装置。
9、根据权利要求8所述的高效散热的切割机,其特征在于:所述驱动装置包括泵,所述泵设于所述主轴箱内。
10、根据权利要求9所述的高效散热的切割机,其特征在于:所述切割机主体包括驱动主轴转动的动力装置。
11、根据权利要求10所述的高效散热的切割机,其特征在于:所述泵由所述动力装置提供动力。
12、根据权利要求11所述的高效散热的切割机,其特征在于:所述动力装置包括电机。
13、根据权利要求12所述的高效散热的切割机,其特征在于:所述泵的动力输入端与所述电机的动力输出端传动连接。
14、根据权利要求13所述的高效散热的切割机,其特征在于:所述动力装置还包括连接于所述电机的动力输出端和主轴之间的传动装置。
15、根据权利要求14所述的高效散热的切割机,其特征在于:所述传动装置包括与主轴传动连接的第一传动输出端,以及与所述泵的动力输入端传动连接的第二传动输出端。
16、根据权利要求15所述的高效散热的切割机,其特征在于:所述泵具有与所述第二传动输出端传动连接的动力输入轴。
17、根据权利要求16所述的高效散热的切割机,其特征在于:所述传动装置包括与所述动力输入轴传动连接的动力输出轴。
18、根据权利要求17所述的高效散热的切割机,其特征在于:所述动力输入轴和动力输出轴之间通过传动连杆连接在一起。
19、根据权利要求18所述的高效散热的切割机,其特征在于:所述动力输入轴和传动连杆通过联轴器连接在一起。
20、根据权利要求19所述的高效散热的切割机,其特征在于:所述动力输出轴和传动连杆通过法兰连接在一起。
21、根据权利要求19所述的高效散热的切割机,其特征在于:所述动力输入轴和联轴器通过平键连接。
22、根据权利要求19所述的高效散热的切割机,其特征在于:所述联轴器和所述传动连杆通过平键连接。
23、根据权利要求20所述的高效散热的切割机,其特征在于:所述法兰和所述传动连杆通过平键连接。
24、根据权利要求19所述的高效散热的切割机,其特征在于:所述传动装置还包括连接于电机和动力输出轴之间的第一传动部件,以及连接于动力输出轴和主轴之间的第二传动部件。
25、根据权利要求24所述的高效散热的切割机,其特征在于:所述第一传动部件包括设于电机的输出轴上的第一齿轮,和设于动力输出轴上并与第一齿轮相配合的第二齿轮。
26、根据权利要求25所述的高效散热的切割机,其特征在于:所述第二传动部件包括设于主轴上的第三齿轮,和形成于动力输出轴周面上并与第三齿轮相配合的外齿牙。
27、根据权利要求9所述的高效散热的切割机,其特征在于:所述泵的进液端设有抽冷却液的抽液管。
28、根据权利要求27所述的高效散热的切割机,其特征在于:所述抽液管的进液端处于所述主轴箱内。
29、根据权利要求28所述的高效散热的切割机,其特征在于:所述抽液管的进液端插入到主轴箱的冷却液中。
30、根据权利要求9所述的高效散热的切割机,其特征在于:所述散热装置还包括对冷却液进行过滤的过滤装置。
31、根据权利要求30所述的高效散热的切割机,其特征在于:所述过滤装置的进液端与所述泵的出液端连接。
32、根据权利要求31所述的高效散热的切割机,其特征在于:所述过滤装置的进液端与所述泵的出液端通过第一管道连接在一起。
33、根据权利要求32所述的高效散热的切割机,其特征在于:所述过滤装置连接在所述主轴箱的外侧。
34、根据权利要求33所述的高效散热的切割机,其特征在于:所述第一管道贯穿所述主轴箱的侧壁。
35、根据权利要求34所述的高效散热的切割机,其特征在于:所述第一管道与主轴箱的侧壁密封连接在一起。
36、根据权利要求30所述的高效散热的切割机,其特征在于:还包括对冷却液进行冷却的冷却装置。
37、根据权利要求36所述的高效散热的切割机,其特征在于:所述冷却装置连接于过滤装置的出液端和分流阀之间。
38、根据权利要求37所述的高效散热的切割机,其特征在于:所述冷却装置的进液端和过滤装置的出液端通过第二管道连接在一起。
39、根据权利要求38所述的高效散热的切割机,其特征在于:所述冷却装置的出液端和分流阀的进液端之间通过第三管道连接在一起。
40、根据权利要求39所述的高效散热的切割机,其特征在于:所述冷却装置连接在所述主轴箱的外侧。
41、根据权利要求40所述的高效散热的切割机,其特征在于:所述第三管道贯穿所述主轴箱的侧壁。
42、根据权利要求41所述的高效散热的切割机,其特征在于:所述第三管道与主轴箱的侧壁密封连接在一起。
43、根据权利要求9所述的高效散热的切割机,其特征在于:所述主轴箱包括储存冷却液的储液腔,对主轴一端的轴承进行冷却的第一冷却腔,以及对主轴另一端的轴承进行冷却第二冷却腔。
44、根据权利要求43所述的高效散热的切割机,其特征在于:所述储液腔处于第一冷却腔和第二冷却腔之间。
45、根据权利要求44所述的高效散热的切割机,其特征在于:所述储液腔的一端与第一冷却腔连通且另一端与第二冷却腔连通。
46、根据权利要求45所述的高效散热的切割机,其特征在于:所述储液腔的侧壁设有与第一冷却腔连通的第一连通口,以及与第二冷却腔连通的第二连通口。
47、根据权利要求46所述的高效散热的切割机,其特征在于:所述第一连通口包括供冷却液进入第一冷却腔的第一进液口,所述第二连通口包括供冷却液进入第二冷却腔的第二进液口。
48、根据权利要求47所述的高效散热的切割机,其特征在于:所述分流管道包括第一分流管道和第二分流管道,所述第一分流管道与所述第一进液口连通;所述第二分流管道与所述第二进液口连通。
49、根据权利要求48所述的高效散热的切割机,其特征在于:所述第一进液口包括第一进液孔和第二进液孔,所述第一分流管道包括第一分流支管和第二分流支管,所述第一进液孔和第一分流支管连接,所述第二进液孔和第二分流支管连接。
50、根据权利要求49所述的高效散热的切割机,其特征在于:所述主轴箱还设有连通于所述储液腔和所述第一冷却腔之间的过渡腔。
51、根据权利要求50所述的高效散热的切割机,其特征在于:所述过渡腔的侧壁设有连通所述储液腔的夹持孔,所述夹持孔固定第一分流支管与第二分流支管。
52、根据权利要求46所述的高效散热的切割机,其特征在于:所述第一连通口还具有供冷却液回流至储液腔的第一出液口,所述第二连通口还具有供冷却液回流至储液腔的第二出液口。
53、根据权利要求52所述的高效散热的切割机,其特征在于:所述第一冷却腔包括容置第一轴承的第一容置腔,和容置第二轴承的第二容置腔。
54、根据权利要求53所述的高效散热的切割机,其特征在于:所述第二容置腔对应所述第二进液孔设置。
55、根据权利要求54所述的高效散热的切割机,其特征在于:所述第二容置腔设在第二进液孔的正下方。
56、根据权利要求53所述的高效散热的切割机,其特征在于:所述第一冷却腔还包括将冷却液从第一进液口导向第一容置腔和第二容置腔的导油套。
57、根据权利要求56所述的高效散热的切割机,其特征在于:所述导油套对应所述第一进液孔设置。
58、根据权利要求57所述的高效散热的切割机,其特征在于:所述导油套设在第一进液孔的正下方。
59、根据权利要求56所述的高效散热的切割机,其特征在于:所述导油套包括套设在主轴上并抵顶于第一轴承和第二轴承内圈之间的内限位套,以及套设在内限位套外并抵顶于第一轴承和第二轴承外圈之间的外限位套。
60、根据权利要求59所述的高效散热的切割机,其特征在于:所述内限位套和外限位套之间具有导液间隙,所述外限位套形成有与所述间隙相连通的导液孔。
61、根据权利要求60所述的高效散热的切割机,其特征在于:所述第一轴承和第二轴承的轴承游隙均与所述导液间隙连通。
62、根据权利要求61所述的高效散热的切割机,其特征在于:所述第一轴承和第二轴承的轴承游隙均与所述导液间隙相对应。
63、根据权利要求60所述的高效散热的切割机,其特征在于:所述外限位套的周面形成有与所述导液孔连通的环形储液槽,所述环形储液槽与所述第一进液孔连通。
64、根据权利要求63所述的高效散热的切割机,其特征在于:所述环形储液槽与所述第一进液孔相对应。
65、根据权利要求64所述的高效散热的切割机,其特征在于:所述环形储液槽设在所述第一进液孔的正下方。
66、根据权利要求63所述的高效散热的切割机,其特征在于:所述第一冷却腔在第一出液口处设有轴承固定件。
67、根据权利要求66所述的高效散热的切割机,其特征在于:所述轴承固定件套设在主轴上,并且轴承固定件的端面与第二轴承的内圈端面抵顶。
68、根据权利要求67所述的高效散热的切割机,其特征在于:所述轴承固定件的外圆周面与第一出液口的内侧壁之间具有出液间隙。
69、根据权利要求68所述的高效散热的切割机,其特征在于:还包括容置于所述第一冷却腔内的第一轴承和第二轴承。
70、根据权利要求52所述的高效散热的切割机,其特征在于:所述第二冷却腔包括容置第三轴承的第三容置腔。
71、根据权利要求70所述的高效散热的切割机,其特征在于:所述第三容置腔内具有容置第三轴承的安装槽。
72、根据权利要求71所述的高效散热的切割机,其特征在于:所述第二冷却腔还包括容置二齿轮的第四容置腔,,容置第三齿轮的第五容置腔。
73、根据权利要求72所述的高效散热的切割机,其特征在于:所述第三容置腔与第四容置腔以及第五容置腔连通,并且所述第三容置腔处于第四容置腔和第五容置腔之间。
74、根据权利要求73所述的高效散热的切割机,其特征在于:还包括容置于所述第二冷却腔内的第三轴承。
75、 根据权利要求43所述的高效散热的切割机,其特征在于:所述储液腔内具有储存冷却液的储液部,以及容置气体的容气部。
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