CN111843044A - High-efficient radiating cutting machine - Google Patents
High-efficient radiating cutting machine Download PDFInfo
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- CN111843044A CN111843044A CN202010504234.5A CN202010504234A CN111843044A CN 111843044 A CN111843044 A CN 111843044A CN 202010504234 A CN202010504234 A CN 202010504234A CN 111843044 A CN111843044 A CN 111843044A
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- cooling
- liquid
- cutting machine
- bearing
- cooling liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D59/00—Accessories specially designed for sawing machines or sawing devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
- B23Q11/126—Arrangements for cooling or lubricating parts of the machine for cooling only
- B23Q11/127—Arrangements for cooling or lubricating parts of the machine for cooling only for cooling motors or spindles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C37/00—Cooling of bearings
Abstract
The invention discloses a cutting machine capable of efficiently dissipating heat, which comprises a cutting machine main body; the cutting machine further comprises a heat dissipation device for dissipating heat of the main shaft bearing of the cutting machine main body through flowing cooling liquid. The heat dissipation device comprises a cooling liquid conveying pipeline for conveying cooling liquid to a heating part of the cutting machine main body; the cooling liquid conveying pipeline comprises more than two shunting pipelines which are in one-to-one correspondence with more than two heating parts for cooling. The flow dividing pipeline is provided with a valve which is matched with the flow of the cooling liquid according to the heat productivity of the heating part. After the structure is adopted, compared with the prior art, the cooling device can fully cool the bearing and the main shaft, and is high in heat dissipation speed and heat dissipation efficiency. Meanwhile, the cooling liquid is provided with a circulating oil way, so that the consumption of the cooling liquid is saved, the pollution and consumption of the cooling liquid are reduced, and the cooling cost is greatly saved.
Description
Technical Field
The invention relates to the field of cutting machines, in particular to a cutting machine capable of efficiently dissipating heat.
Background
The cutting machine is mainly used for cutting and separating the plate in the machining process. The existing cutting machine is mainly provided with a main shaft which is rotatably connected in a main shaft box, a cutting saw blade is arranged on the main shaft, and the main shaft is driven to rotate by a driving device so as to drive the cutting saw blade to cut.
However, during the cutting process, the temperature of the main shaft and the bearing is too high due to the high-speed rotation of the main shaft, so that the main shaft and the bearing expand, and the cutting precision is affected. The cooling liquid is mainly and hermetically arranged at the front end and the rear end of the main shaft, the cooling liquid is difficult to flow through the bearing and cool and radiate the bearing, the bearing is easy to expand and deform under the environment with high temperature for a long time, and the bearing is more serious and even locked, so that the main shaft and the motor are damaged.
In view of the above, the applicant has made an intensive study to solve the above problems and has made the present invention.
Disclosure of Invention
The invention mainly aims to provide a cutting machine capable of efficiently dissipating heat, which can sufficiently cool a bearing and a main shaft, and is high in heat dissipation speed and heat dissipation efficiency.
In order to achieve the above purpose, the solution of the invention is:
a cutting machine capable of efficiently dissipating heat comprises a cutting machine main body; the cutting machine further comprises a heat dissipation device for dissipating heat of the main shaft bearing of the cutting machine main body through flowing cooling liquid.
Further, the heat dissipation device comprises a cooling liquid conveying pipeline for conveying cooling liquid to a heating part of the cutting machine main body; the cooling liquid conveying pipeline comprises more than two shunting pipelines which are in one-to-one correspondence with more than two heating parts for cooling.
Further, the bypass line is provided with a valve that matches the flow rate of the coolant with the amount of heat generated by the heat generating portion.
Further, the cutter body includes a spindle head; the flow distribution pipeline is arranged in the spindle box and extends towards the heating part.
Furthermore, the valve is arranged in the spindle box.
Furthermore, the shunt pipeline further comprises a shunt valve, and the valve is arranged in the shunt valve.
Further, the flow dividing valve is installed on the inner side wall of the spindle box.
Further, it is characterized in that: the heat dissipation device comprises a driving device for driving the cooling liquid to flow.
Further, the driving device comprises a pump, and the pump is arranged in the spindle box.
Further, the cutter main body comprises a power device for driving the main shaft to rotate.
Further, the pump is powered by the power device.
Further, the power device comprises a motor.
Furthermore, the power input end of the pump is in transmission connection with the power output end of the motor.
Furthermore, the power device also comprises a transmission device connected between the power output end of the motor and the main shaft.
Furthermore, the transmission device comprises a first transmission output end in transmission connection with the main shaft and a second transmission output end in transmission connection with the power input end of the pump.
Further, the pump has a power input shaft drivingly connected to the second drive output.
Further, the transmission device comprises a power output shaft in transmission connection with the power input shaft.
Further, the power input shaft and the power output shaft are connected together through a transmission connecting rod.
Further, the power input shaft and the transmission connecting rod are connected together through a coupler.
Further, the power output shaft and the transmission connecting rod are connected together through a flange.
Further, the power input shaft and the coupling are connected through a flat key.
Further, the coupler and the transmission connecting rod are connected through a flat key.
Further, the flange and the transmission connecting rod are connected through a flat key.
Further, the transmission device also comprises a first transmission part connected between the motor and the power output shaft, and a second transmission part connected between the power output shaft and the main shaft.
Furthermore, the first transmission part comprises a first gear arranged on an output shaft of the motor and a second gear arranged on the power output shaft and matched with the first gear.
Further, the second transmission component comprises a third gear arranged on the main shaft and external teeth which are formed on the circumferential surface of the power output shaft and matched with the third gear.
Furthermore, a liquid inlet end of the pump is provided with a liquid pumping pipe for pumping cooling liquid.
Furthermore, the liquid inlet end of the liquid pumping pipe is positioned in the spindle box.
Furthermore, the liquid inlet end of the liquid pumping pipe is inserted into the cooling liquid of the spindle box.
Furthermore, the heat dissipation device also comprises a filtering device for filtering the cooling liquid.
Further, the liquid inlet end of the filtering device is connected with the liquid outlet end of the pump.
Further, the liquid inlet end of the filtering device is connected with the liquid outlet end of the pump through a first pipeline.
Further, the filtering device is connected to the outer side of the spindle box.
Further, the first pipeline penetrates through the side wall of the spindle box.
Further, the first pipeline is connected with the side wall of the spindle box in a sealing mode.
Further, the cooling device is used for cooling the cooling liquid.
Further, the cooling device is connected between the liquid outlet end of the filtering device and the flow dividing valve.
Further, the liquid inlet end of the cooling device and the liquid outlet end of the filtering device are connected together through a second pipeline.
Furthermore, the liquid outlet end of the cooling device is connected with the liquid inlet end of the flow divider through a third pipeline.
Further, the cooling device is connected to the outer side of the spindle box.
Further, the third pipeline penetrates through the side wall of the spindle box.
Further, the third pipeline is connected with the side wall of the spindle box in a sealing mode.
Furthermore, the main shaft box comprises a liquid storage cavity for storing cooling liquid, a first cooling cavity for cooling the bearing at one end of the main shaft, and a second cooling cavity for cooling the bearing at the other end of the main shaft.
Further, the liquid storage cavity is arranged between the first cooling cavity and the second cooling cavity.
Furthermore, one end of the liquid storage cavity is communicated with the first cooling cavity, and the other end of the liquid storage cavity is communicated with the second cooling cavity.
Furthermore, the lateral wall of stock solution chamber is equipped with the first intercommunication mouth with first cooling chamber intercommunication to and the second intercommunication mouth with second cooling chamber intercommunication.
Further, first intercommunication mouth includes the first inlet that supplies the coolant liquid to get into first cooling chamber, second intercommunication mouth includes the second inlet that supplies the coolant liquid to get into second cooling chamber.
Further, the flow dividing pipeline comprises a first flow dividing pipeline and a second flow dividing pipeline, and the first flow dividing pipeline is communicated with the first liquid inlet; the second shunting pipeline is communicated with the second liquid inlet.
Further, first inlet includes first feed liquor hole and second feed liquor hole, first reposition of redundant personnel pipeline includes first reposition of redundant personnel branch pipe and second reposition of redundant personnel branch pipe, first feed liquor hole and first reposition of redundant personnel branch union coupling, second feed liquor hole and second reposition of redundant personnel branch union coupling.
Furthermore, the spindle box is also provided with a transition cavity communicated between the liquid storage cavity and the first cooling cavity.
Furthermore, the lateral wall of transition chamber is equipped with the intercommunication the centre gripping hole in stock solution chamber, first reposition of redundant personnel branch pipe and second reposition of redundant personnel branch pipe are fixed to the centre gripping hole.
Further, the first communicating port is provided with a first liquid outlet for the cooling liquid to flow back to the liquid storage cavity, and the second communicating port is provided with a second liquid outlet for the cooling liquid to flow back to the liquid storage cavity.
Further, the first cooling cavity comprises a first accommodating cavity for accommodating the first bearing and a second accommodating cavity for accommodating the second bearing.
Furthermore, the second accommodating cavity is arranged corresponding to the second liquid inlet hole.
Furthermore, the second accommodating cavity is arranged right below the second liquid inlet hole.
Furthermore, the first cooling cavity further comprises an oil guide sleeve guiding the cooling liquid from the first liquid inlet to the first accommodating cavity and the second accommodating cavity.
Furthermore, the oil guide sleeve is arranged corresponding to the first liquid inlet hole.
Further, the oil guide sleeve is arranged right below the first liquid inlet hole.
Furthermore, the oil guide sleeve comprises an inner limiting sleeve which is sleeved on the main shaft and abuts against between the first bearing and the second bearing inner ring, and an outer limiting sleeve which is sleeved outside the inner limiting sleeve and abuts against between the first bearing and the second bearing outer ring.
Furthermore, a liquid guide gap is formed between the inner limiting sleeve and the outer limiting sleeve, and a liquid guide hole communicated with the gap is formed in the outer limiting sleeve.
Further, the bearing play of the first bearing and the bearing play of the second bearing are both communicated with the liquid guide gap.
Further, bearing play of the first bearing and the second bearing corresponds to the liquid guide gap.
Furthermore, an annular liquid storage tank communicated with the liquid guide hole is formed on the peripheral surface of the outer limiting sleeve, and the annular liquid storage tank is communicated with the first liquid inlet hole.
Further, the annular liquid storage tank corresponds to the first liquid inlet hole.
Further, the annular liquid storage tank is arranged right below the first liquid inlet hole.
Further, a bearing fixing piece is arranged at the first liquid outlet of the first cooling cavity.
Furthermore, the bearing fixing piece is sleeved on the main shaft, and the end face of the bearing fixing piece is abutted against the end face of the inner ring of the second bearing.
Furthermore, a liquid outlet gap is formed between the outer circumferential surface of the bearing fixing piece and the inner side wall of the first liquid outlet.
Furthermore, the cooling device also comprises a first bearing and a second bearing which are accommodated in the first cooling cavity.
Further, the second cooling cavity includes a third accommodating cavity accommodating a third bearing.
Furthermore, the third accommodating cavity is provided with an installation groove for accommodating the third bearing.
Furthermore, the second cooling cavity further comprises a fourth accommodating cavity for accommodating the second gear and a fifth accommodating cavity for accommodating the third gear.
Furthermore, the third accommodating cavity is communicated with the fourth accommodating cavity and the fifth accommodating cavity, and the third accommodating cavity is positioned between the fourth accommodating cavity and the fifth accommodating cavity.
Further, the bearing assembly further comprises a third bearing accommodated in the second cooling cavity.
Further, the liquid storage cavity is provided with a liquid storage part for storing cooling liquid and a gas containing part for containing gas.
After the structure is adopted, when the cutting machine works, the valve is matched with cooling liquid with different flow rates according to different heat productivity of the bearings at two ends of the main shaft and is conveyed to a bearing heating part through the shunt pipeline. Wherein, part of cooling liquid is conveyed to the first liquid inlet and the second liquid inlet through the shunt pipeline and flows into the first cooling cavity to cool the first bearing and the second bearing which are arranged at the front end of the main shaft. And the other part of cooling liquid is conveyed to the third liquid inlet through a diversion pipeline and flows into the second cooling cavity to cool a third bearing arranged at the rear end of the main shaft in the second cooling cavity. Then the coolant liquid in the first cooling cavity flows back to the liquid storage cavity through the first liquid outlet, the coolant liquid in the second cooling cavity flows back to the liquid storage cavity through the second liquid outlet, and the coolant liquid in the liquid storage cavity carries out heat dissipation and cooling on the main shaft. And then, pumping the cooling liquid which absorbs heat and is heated in the liquid storage cavity by a pump, sequentially conveying the cooling liquid to a filtering device and a cooling device for filtering and cooling, finally conveying the cooled cooling liquid to a valve, and waiting for next distribution and conveying of the valve, thereby realizing the function of circularly cooling the main shaft and the bearing.
Compared with the prior art, beneficial effect lies in:
firstly, the heating values of the bearings at the two ends of the main shaft are different through the valve, the flow of the cooling liquid is matched, and the cooling liquid is directly conveyed to the heating bearing part through the shunt pipeline, so that the cooling is more efficient.
Secondly, the single motor is used for driving the main shaft and the pump to operate simultaneously through the transmission device, the cost of the power device is reduced, the kinetic energy of the motor is fully utilized, and the energy-saving effect is better. And the pump is arranged in the main spindle box, so that the pump is protected and prevented from being collided and damaged.
Thirdly, the cooling liquid is driven to flow by the pump, the filtering device, the cooling device and the valve to form a cooling pipeline capable of continuously circulating, and waste residues in the cooling liquid are filtered by the filtering device, so that the waste residues are prevented from flowing into the bearing along with the cooling liquid to damage the bearing, and the effect of protecting the bearing and the main shaft is achieved. And the cooling device is used for cooling the cooling liquid, so that the cooling and heat absorption effects of the cooling liquid are improved, and the cooling time efficiency of the cooling liquid can be prolonged by repeatedly cooling the cooling liquid, so that the cooling liquid in the spindle box does not need to be frequently replaced, the cost of the cooling liquid is saved, and the heat dissipation effect of the invention is further enhanced.
Fourthly, the spindle box is internally provided with the liquid storage cavity, the first cooling cavity and the second cooling cavity which are communicated, so that cooling liquid only circularly flows in the spindle box, the cooling liquid is prevented from being polluted, and the service life of the cooling liquid is further prolonged. And the cooling liquid can be effectively prevented from leaking, so that the cutting machine is more environment-friendly and cleaner during working.
Drawings
Fig. 1 is a perspective view of the external structure of the cutting body according to the present invention.
Fig. 2 is a perspective view of another external structure of the cutting body according to the present invention.
Fig. 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 embodiment of the cutting body of the present invention.
Fig. 5 is a partially enlarged view of the area a in fig. 3.
Fig. 6 is a partially enlarged view of the region B in fig. 4.
Fig. 7 is a perspective view, partially in section, of the structure of the cutting body.
In the figure:
a shunt conduit-10; a first shunt pipe-101; a first branch pipe-1011; a second branch-1012; a second shunt pipe-102; a flow divider valve-11; a pump-12; a power input shaft-121; a liquid withdrawal pipe-122; a filtration device-13; a first conduit-131; a cooling device-14; a second conduit-141; a third conduit-142; a main spindle box-2; a liquid storage cavity-21; a first cooling chamber-22; a first liquid inlet-221; a first liquid inlet hole-2211; a second liquid inlet hole-2212; a first outlet port-222; a first accommodating chamber-223; a second accommodating cavity-224; an oil guide sleeve-225; an inner spacing sleeve-2251; an outer spacing sleeve-2252; drainage gap-2253; annular reservoir-2254; drain hole-2255; bearing mount-226; a liquid outlet gap-227; a second cooling chamber-23; a second inlet port-231; a second outlet port-232; a third accommodating cavity-233; a fourth accommodating cavity-234; a fifth accommodating cavity-235; mounting groove-2351; a transition chamber-24; a clamping hole-241; a power plant-3; a motor-31; -32, a transmission; a power take-off shaft-321; a drive link-322; a first gear-323; a second gear-324; a third gear-325; external teeth-326; a main shaft-4; a first bearing-51; a second bearing-52; a third bearing-53.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
As shown in fig. 1 to 7, a cutting machine with high heat dissipation efficiency includes a cutting machine main body; the cutting machine further comprises a heat dissipation device for dissipating heat of the main shaft 4 bearing of the cutting machine main body through flowing cooling liquid. The heat dissipation device comprises a cooling liquid conveying pipeline for conveying cooling liquid to a heating part of the cutting machine main body; the coolant delivery duct includes more than two branch ducts 10 for cooling the heat generating portions one by one. The branch pipe 10 is provided with a valve (not shown) that matches the flow rate of the cooling liquid according to the heat generation amount of the heat generating portion, and in this embodiment, the valve may be an adjustable electromagnetic valve.
After the structure is adopted, when the cutting machine works, the valve matches cooling liquid with different flow rates according to different heat productivity of the bearings at two ends of the main shaft 4 and conveys the cooling liquid to a bearing heating part through the shunt pipeline 10. Compared with the prior art, the cooling device can directly convey the cooling liquid to the heating part of the bearing through the shunt pipeline 10, can fully cool the bearing, and avoids the bearing from being deformed and damaged due to high temperature. In addition, the invention distributes the cooling liquid with different flow rates according to different heat of the heat generating part of the bearing, so that the cooling is more accurate and efficient.
Preferably, the cutter body includes a headstock 2; the branch pipe 10 is provided in the spindle head 2 and extends toward a heat generating portion. The structure can protect the shunt pipeline 10 and avoid the collision and damage of the shunt pipeline 10.
Preferably, the valve is arranged in the main spindle box 2. By adopting the structure, the valve can be prevented from being damaged by collision.
Preferably, the flow distribution pipeline 10 further comprises a flow distribution valve 11, and the valve is arranged in the flow distribution valve 11. By adopting the structure, the flow is matched and calculated through the valve, and then the cooling liquid with the calculated flow is conveyed to the flow dividing pipeline 10 through the flow dividing valve 11.
Preferably, the flow divider 11 is installed on the inner side wall of the spindle box 2, so that the flow divider 11 can be protected, and the flow divider 11 is prevented from being damaged by collision.
Preferably, the heat sink includes a driving device for driving the cooling fluid to flow, and the driving device provides a driving force for the cooling fluid to flow, so that the cooling fluid can circulate in the main spindle box 2.
Preferably, the driving device comprises a pump 12, the pump 12 is low in price, the cost can be reduced, the pump 12 is arranged in the spindle box 2, the pump 12 can conveniently pump cooling liquid, and meanwhile, the pump 12 can be prevented from being collided.
Preferably, the cutter body includes a power unit 3 for driving the main shaft 4 to rotate, and the pump 12 is powered by the power unit 3. The structure can simultaneously drive the main shaft 4 to rotate and the pump 12 to run only by adopting a single power device 3, thereby reducing the cost of the power device 3, fully utilizing the kinetic energy of the power device 3 and having better energy-saving effect.
Preferably, the power device 3 comprises a motor 31, and the motor 31 is low in driving cost, convenient to maintain and capable of effectively reducing the cost.
Preferably, the power input end of the pump 12 is in transmission connection with the power output end of the motor 31, the motor 31 drives the impeller in the pump 12 to rotate when rotating, so as to drive the cooling liquid to flow, the mechanical energy output by the motor 31 is fully utilized, and meanwhile, the transmission efficiency of the mechanical energy of the motor 31 is improved.
Preferably, 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, and the transmission device 32 enables the motor 31 to drive the pump 12 to operate and simultaneously output mechanical energy to the main shaft 4, so as to drive the main shaft 4 to rotate, thereby improving the mechanical energy utilization rate of the motor 31.
More preferably, the transmission 32 comprises a first transmission output in driving connection with the main shaft 4, and a second transmission output in driving connection with a power input of the pump 12.
Preferably, the pump 12 has a power input shaft 121 drivingly connected to the second drive output. The power input shaft 121 is connected with an 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 the power input shaft 121 drives the impeller to rotate, so that the pump 12 extracts the cooling liquid and drives the cooling liquid to flow.
Preferably, the transmission device 32 includes a power output shaft 321 in transmission connection with the power input shaft 121, one end of the power output shaft 321 is connected with the output rotating shaft of the motor 31, and the other end is connected with the power input shaft 121.
More preferably, the power input shaft 121 and the power output shaft 321 are connected together through a transmission connecting rod 322, so that the power input shaft 121 and the power output shaft 321 are more conveniently assembled and disassembled.
Preferably, the power input shaft 121 and the transmission connecting rod 322 are connected together through a coupler, and the coupler is adopted for connection, so that the mounting precision and the counterweight requirement between the power input shaft 121 and the transmission connecting rod can be reduced, the impact is relieved, and the natural vibration frequency of a shaft system is changed to avoid harmful vibration.
Preferably, power take off shaft 321 and transmission connecting rod 322 pass through flange joint together, adopt the law dish to connect, and the dismouting is more convenient to joint strength is higher.
More preferably, the power input shaft 121 and the coupler are connected through a flat key, the flat key is adopted to facilitate torque transmission, and the power input shaft is simple in structure, convenient to disassemble and assemble and high in positioning accuracy.
More preferably, the coupler is connected with the transmission connecting rod 322 through a flat key, the flat key is adopted to facilitate torque transmission, and the coupler is simple in structure, convenient to disassemble and assemble and high in positioning precision.
Preferably, the transmission 32 further comprises a first transmission member connected between the motor 31 and the power take-off shaft 321, and a second transmission member connected between the power take-off shaft 321 and the main shaft 4.
More preferably, in the present embodiment, the first transmission member 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 engaged with the first gear 323. The gear transmission connection is adopted, so that the working stability and the transmission efficiency are higher, the structure is simple, and the maintenance is convenient.
More preferably, in this embodiment, the second transmission component includes a third gear 325 disposed on the main shaft 4 and an external tooth 326 formed on the circumferential surface of the power output shaft 321 and engaged with the third gear 325, and the gear and the external tooth 326 are used for connection, so that the work stability and transmission efficiency are higher, the structure is simple, and the maintenance is convenient.
Preferably, the liquid inlet end of the pump 12 is provided with a liquid pumping pipe 122 for pumping the cooling liquid, so as to facilitate the pumping of the cooling liquid by the pump 12.
Preferably, since the coolant circulates in the head stock 2, the liquid inlet end of the liquid suction pipe 122 is located in the head stock 2, facilitating the suction of the coolant.
More preferably, the liquid inlet end of the liquid suction pipe 122 is inserted into the coolant of the spindle box 2, so that the pump 12 keeps the liquid inlet end of the liquid suction pipe 122 in a vacuum state when the coolant is sucked, thereby facilitating the rapid suction of the coolant.
Preferably, the heat dissipation device further comprises a filtering device 13 for filtering the cooling liquid, and the filtering device 13 can filter the waste residues in the cooling liquid, so as to prevent the waste residues from flowing into the bearing along with the cooling liquid to damage the bearing, thereby achieving the effect of protecting the bearing and the main shaft 4.
Preferably, the liquid inlet end of the filtering device 13 is connected with the liquid outlet end of the pump 12, and the pump 12 pumps the cooling liquid in the spindle box 2 and then conveys the cooling liquid into the filtering device 13 to filter the cooling liquid.
More preferably, in this embodiment, the liquid inlet end of the filtering device 13 is connected with the liquid outlet end of the pump 12 through the first pipeline 131, the pump 12 and the filtering device 13 are flexibly connected through a pipeline, the connection structure is simple, and the assembly and disassembly are more convenient.
Preferably, the filtering device 13 is connected to the outer side of the spindle box 2, so that maintenance and replacement of filtering parts are facilitated, and filter residues after filtering are collected and cleaned conveniently.
Preferably, since the filter device 13 is provided outside the head stock 2, the first pipe 131 penetrates through the side wall of the head stock 2.
More preferably, in order to prevent the coolant from leaking from the joint of the first pipe 131 and the headstock 2, the first pipe 131 is hermetically connected to the side wall of the headstock 2. Specifically, a seal ring and a sealant may be used to enhance the sealing effect between the spindle head 2 and the first pipe 131.
Preferably, the heat dissipation device further comprises a cooling device 14 for cooling the cooling liquid, the cooling device 14 can cool the cooling liquid, the cooling and heat absorption effects of the cooling liquid are improved, the cooling time of the cooling liquid can be prolonged by repeatedly cooling the cooling liquid, the cooling liquid in the spindle box 2 is not required to be replaced frequently, the cost of the cooling liquid is saved, and the heat dissipation effect of the invention is further improved.
Preferably, the cooling device 14 is connected between the outlet end of the filtering device 13 and the diverter valve 11. After adopting the above structure, the pump 12, the filtering device 13, the cooling device 14 and the flow dividing valve 11 are connected in sequence, the pump 12 pumps the cooling liquid in the main spindle box 2 and then conveys the cooling liquid to the filtering device 13 for filtering, then conveys the filtered cooling liquid to the cooling device 14 for cooling, then conveys the cooled filtering liquid to the flow dividing valve 11 for matching and flow dividing, finally, after the cooling liquid is distributed to each heating part for heat dissipation and cooling, the cooling liquid flows back to the main spindle box 2 and is pumped by the pump 12 for repeating the above conveying action. The cooling device forms a cooling liquid circulating and conveying loop on the spindle box 2, so that the consumption of the cooling liquid is saved, the pollution and consumption of the cooling liquid are reduced, and the cooling cost is greatly saved.
Preferably, the inlet end of the cooling device 14 and the outlet end of the filtering device 13 are connected together by a second pipe 141. Adopt pipeline flexonics, connection structure is simple to the dismouting is more convenient.
Preferably, the liquid outlet end of the cooling device 14 and the liquid inlet end of the flow dividing valve 11 are connected together through a third pipeline 142. Adopt pipeline flexonics, connection structure is simple to the dismouting is more convenient.
Preferably, the cooling device 14 is connected to the outside of the headstock 2, which facilitates maintenance of the cooling device 14 and replacement of cooled parts.
Preferably, since the cooling device 14 is connected to the outside of the head stock 2, the third pipe 142 penetrates the side wall of the head stock 2.
More preferably, in order to prevent the coolant leakage from occurring at the joint of the third pipe 142 and the head stock 2, the third pipe 142 is hermetically connected to the side wall of the head stock 2. Specifically, a seal ring and a sealant may be used to enhance the sealing effect between the main spindle box 2 and the third pipe 142.
Preferably, the headstock 2 includes a reservoir chamber 21 for storing a cooling liquid, a first cooling chamber 22 for cooling a bearing at one end of the spindle 4, and a second cooling chamber 23 for cooling a bearing at the other end of the spindle 4. In the present embodiment, the first bearing 51 and the second bearing 52 are installed in the first cooling chamber 22, and the third bearing 53 is installed in the second cooling chamber 23.
Preferably, since the spindle 4 is disposed through the spindle head 2, in this embodiment, one end of the spindle 4 is provided with a first bearing 51 and a second bearing 52, and the other end of the spindle 4 is provided with a third bearing 53, so that the mounting positions of the first cooling chamber 22 and the second cooling chamber 23 corresponding to the bearings are distributed at the two ends of the spindle head 2, and the reservoir chamber 21 is located between the first cooling chamber 22 and the second cooling chamber 23.
More preferably, one end of the liquid storage cavity 21 is communicated with the first cooling cavity 22, and the other end of the liquid storage cavity 21 is communicated with the second cooling cavity 23, and by adopting the structure, the cooling liquid in the first cooling cavity 22 and the second cooling cavity 23 can flow back into the liquid storage cavity 21 towards the middle part of the spindle box 2 after absorbing heat and cooling.
Preferably, the side wall of the reservoir chamber 21 is provided with a first communication port communicating with the first cooling chamber 22 through which the cooling liquid flows into and out of the first cooling chamber 22, and a second communication port communicating with the second cooling chamber 23 through which the cooling liquid flows into and out of the second cooling chamber 23.
More preferably, the first communication port includes a first liquid inlet 221 for the cooling liquid to enter the first cooling chamber 22, and the second communication port includes a second liquid inlet 231 for the cooling liquid to enter the second cooling chamber 23.
Preferably, the diversion pipeline 10 comprises a first diversion pipeline 101 and a second diversion pipeline 102, and the first diversion pipeline 101 is communicated with the first liquid inlet 221; the second branch flow pipe 102 communicates with the second liquid inlet 231. After adopting above-mentioned structure, after the coolant liquid carries out the flow matching through the valve, flow divider 11 carries to first inlet 221 and second inlet 231 respectively through first reposition of redundant personnel pipeline 101 and second reposition of redundant personnel pipeline 102 to make the coolant liquid get into in first cooling chamber 22 and the second cooling chamber 23. By adopting the flexible connection of the pipes, the cooling liquid in the pipes can be driven by the pump 12 to flow into the first liquid inlet 221 and the second liquid inlet 231 in an accelerated manner.
Preferably, because the first bearing 51 and the second bearing 52 are arranged in the first cooling cavity 22, more cooling liquid is needed in the first cooling cavity 22, the first liquid inlet 221 comprises a first liquid inlet hole 2211 and a second liquid inlet hole 2212 which are arranged on the upper surface of the first cooling cavity 22, the first branch pipeline 101 comprises a first branch pipe 1011 and a second branch pipe 1012, the first liquid inlet hole 2211 is connected with the first branch pipe 1011, and the second liquid inlet hole 2212 is connected with the second branch pipe 1012.
Preferably, in order to prevent the first branch pipe 1011 and the second branch pipe 1012 from moving in the main head 2 and being knotted with each other, the main head 2 is further provided with a transition chamber 24 communicating between the liquid storage chamber 21 and the first cooling chamber 22, and the transition chamber 24 is used for accommodating the first branch pipe 1011 and the second branch pipe 1012.
More preferably, in order to further fix the first branch pipe 1011 and the second branch pipe 1012, the side wall of the transition chamber 24 is provided with a clamping hole 241 communicating with the liquid storage chamber 21, and the clamping hole 241 is used for fixing the first branch pipe 1011 and the second branch pipe 1012.
Preferably, the first communication port further has a first liquid outlet 222 for returning the cooling liquid to the liquid storage cavity 21, and the second communication port has a second liquid outlet 232 for returning the cooling liquid to the liquid storage cavity 21; the first liquid outlet 222 is formed in the side wall of the first cooling chamber 22, and the cooling liquid in the first cooling chamber 22 flows out from the first liquid outlet 222 and flows back to the liquid storage chamber 21; the second liquid outlet 232 is provided on the side wall of the second cooling chamber 23, and the cooling liquid in the second cooling chamber 23 flows out from the second liquid outlet 232 and flows back to the liquid storage chamber 21.
Preferably, the first cooling chamber 22 includes a first receiving chamber 223 for receiving the first bearing 51, and a second receiving chamber 224 for receiving the second bearing 52, wherein the first receiving chamber 223 is used for fixing the first bearing 51, and the second receiving chamber 224 is used for fixing the second bearing 52.
Preferably, the second receiving cavity 224 is disposed corresponding to the second liquid inlet hole 2212, and the cooling liquid in the second liquid inlet hole 2212 can flow into the second receiving cavity 224 to cool the second bearing 52.
More preferably, the second accommodating cavity 224 is arranged right below the second liquid inlet 2212, and this structure enables the cooling liquid in the second liquid inlet 2212 to enter the second accommodating cavity 224 more quickly and contact with the second bearing 52 quickly to absorb heat, so as to improve the heat dissipation efficiency.
Preferably, the first cooling chamber 22 further includes an oil guide sleeve 225 for guiding the cooling liquid from the first inlet port 221 to the first and second housing chambers 223 and 224. Two end faces of the oil guide sleeve 225 abut against the end faces of the first bearing 51 and the second bearing 52, and a certain limiting effect is achieved between the first bearing 51 and the second bearing 52. Meanwhile, after the cooling liquid enters the oil guide sleeve 225, the oil guide sleeve 225 can directly divide the cooling liquid into the end face of the first bearing 51 and the end face of the second bearing 52, and the cooling is performed from the inside of the first bearing 51 and the inside of the second bearing 52, so that the cooling is accelerated, and the cooling is more efficient.
Preferably, the oil guide sleeve 225 is disposed corresponding to the first liquid inlet hole 2211. So that 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 by the oil guide sleeve 225, thereby performing cooling and heat dissipation.
More preferably, the oil guide sleeve 225 is disposed just below the first liquid inlet hole 2211, and the cooling efficiency is further improved by increasing the speed of the cooling liquid flowing into the oil guide sleeve 225, thereby increasing the speed of the cooling liquid flowing into the first bearing 51 and the second bearing 52.
Preferably, the oil guide sleeve 225 includes an inner limit sleeve 2251 sleeved on the main shaft 4 and abutting between the inner rings of the first bearing 51 and the second bearing 52, and an outer limit sleeve 2252 sleeved outside the inner limit sleeve 2251 and abutting between the outer rings of the first bearing 51 and the second bearing 52. After the structure is adopted, when the main shaft 4 rotates, the oil guide sleeve 225 abuts against the end surfaces of the first bearing 51 and the second bearing 52, so that the first bearing 51 and the second bearing 52 are limited to move along the axial direction of the main shaft 4, and the first bearing 51 and the second bearing 52 are installed more firmly.
Preferably, a fluid guide gap 2253 is formed between the inner stopper 2251 and the outer stopper 2252, and the outer stopper 2252 is formed with a fluid guide hole 2255 communicating with the gap. With the above structure, the coolant in the first liquid inlet 2211 enters the liquid guiding gap 2253 through the liquid guiding hole 2255, and is guided to the first bearing 51 and the second bearing 52 from the liquid guiding gap 2253.
Preferably, the bearing play of the first bearing 51 and the second bearing 52 are both communicated with the fluid guide gap 2253, so that the coolant can directly flow into the first bearing 51 and the second bearing 52 and be subjected to heat absorption cooling.
More preferably, the bearing play positions of the first bearing 51 and the second bearing 52 correspond to the liquid guide gap 2553, and this structure can accelerate the flow of the cooling liquid into the bearing play, thereby accelerating the cooling of the bearing.
Preferably, since the diameter of the liquid guiding hole 2255 is small, the speed of the cooling liquid flowing into the liquid guiding gap 2253 is slow, and in order to prevent the cold area liquid in the first liquid inlet 2211 from flowing around, an annular liquid storage groove 2254 communicating with the liquid guiding hole 2255 is formed on the peripheral surface of the outer stopper 2252, and the annular liquid storage groove 2254 communicates with the first liquid inlet 2211. The annular reservoir 2254 may temporarily store the coolant flowing out of the first inlet 2211.
Preferably, the annular reservoir 2254 corresponds to the first inlet port 2211.
More preferably, the annular reservoir 2254 is disposed directly below the first inlet 2211, which facilitates the direct flow of the cooling fluid from the first inlet 2211 into the annular reservoir 2254.
Preferably, the first cooling chamber 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 chamber 22.
More preferably, the bearing fixing member 226 is sleeved on the main shaft, and an end surface of the bearing fixing member 226 abuts against an end surface of the inner ring of the second bearing 52, so that the mounting structure is simple, the dismounting is convenient, and the rotation of the second bearing 52 is not influenced.
Preferably, a liquid outlet gap 227 is formed between the outer circumferential surface of the bearing fixing member 226 and the inner side wall of the first liquid outlet 2211, and the cooling liquid in the first cooling cavity 22 absorbs heat and then flows back to the liquid storage cavity 21 through the liquid outlet gap 227.
Preferably, a first bearing 51 and a second bearing 52 are also included, which are housed in the first cooling chamber 21.
Preferably, the second cooling chamber 23 includes a third receiving chamber 233 for receiving the third bearing 53, and the third receiving chamber 233 is used for fixing the third bearing 53.
Preferably, the second cooling chamber 23 includes a third accommodating chamber 233 accommodating the second gear 324, a fourth accommodating chamber 234 accommodating the third gear 325, and a fifth accommodating chamber 235 accommodating the third bearing 53, and the fifth accommodating chamber 235 is communicated with the third accommodating chamber 233 and the fourth accommodating chamber 234, and with the above structure, after the cooling liquid enters the second cooling chamber 23, the transmission device 32 and the third bearing 53 in the second cooling chamber 23 can be cooled at the same time, so that the overall temperature inside the spindle box 2 is reduced.
More preferably, the fifth accommodating cavity 235 is located between the third accommodating cavity 233 and the fourth accommodating cavity 234, with this structure, the second branch flow pipe 102 extends into the third accommodating cavity 233, the second gear 324 is cooled after the cooling liquid flows out from the second branch flow pipe 102, then the cooling liquid flows downward into the fifth accommodating cavity 235 to cool the third bearing 53, and finally the cooling liquid flows into the fourth accommodating cavity 234 to cool the third gear 325, flows out from the second liquid outlet 232 and flows back into the liquid storage cavity 21.
Preferably, the fifth receiving cavity 235 has a mounting groove 2351 for positioning and mounting the third bearing 53, and the third bearing 53 is inserted into the mounting groove 2351, so that the third bearing 53 is more firmly mounted.
Preferably, the liquid storage cavity 21 has a liquid storage portion for storing the cooling liquid and a gas containing portion for containing the gas therein. Adopt this structure, stock solution chamber 21 is inside to be in the coexistent state of coolant liquid and gas, and pump 12's inside is full of the coolant liquid and is in vacuum state, just so guarantees that stock solution chamber 21 is inside to have the pressure differential with pump 12's inside all the time, makes pump 12 can maintain normal work, and it is more smooth and easy to extract the coolant liquid.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.
Claims (10)
1. A cutting machine capable of efficiently dissipating heat comprises a cutting machine main body; the method is characterized in that: the cooling device is used for cooling the main shaft bearing of the cutting machine main body through flowing cooling liquid.
2. The efficient heat dissipation cutting machine according to claim 1, wherein: the heat dissipation device comprises a cooling liquid conveying pipeline for conveying cooling liquid to a heating part of the cutting machine main body; the cooling liquid conveying pipeline comprises more than two shunting pipelines which are in one-to-one correspondence with more than two heating parts for cooling.
3. The efficient heat dissipation cutting machine according to claim 2, wherein: the flow dividing pipeline is provided with a valve which is matched with the flow of the cooling liquid according to the heat productivity of the heating part.
4. The efficient heat dissipation cutting machine according to claim 3, wherein: the cutting machine main body comprises a main spindle box; the flow distribution pipeline is arranged in the spindle box and extends towards the heating part.
5. The efficient heat dissipation cutting machine according to claim 4, wherein: the valve is arranged in the spindle box.
6. The efficient heat dissipation cutting machine according to claim 5, wherein: the shunt pipeline further comprises a shunt valve, and the valve is arranged in the shunt valve.
7. The efficient heat dissipation cutting machine according to claim 6, wherein: the flow divider is arranged on the inner side wall of the main spindle box.
8. A high efficiency heat dissipating cutting machine according to any one of claims 1-7, wherein: the heat dissipation device comprises a driving device for driving the cooling liquid to flow.
9. The efficient heat dissipation cutting machine according to claim 8, wherein: the driving device comprises a pump, and the pump is arranged in the spindle box.
10. The efficient heat dissipation cutting machine according to claim 9, wherein: the cutting machine main body comprises a power device for driving the main shaft to rotate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010504234.5A CN111843044A (en) | 2020-06-05 | 2020-06-05 | High-efficient radiating cutting machine |
| PCT/CN2020/119132 WO2021243911A1 (en) | 2020-06-05 | 2020-09-29 | Cutting machine having efficient heat dissipation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010504234.5A CN111843044A (en) | 2020-06-05 | 2020-06-05 | High-efficient radiating cutting machine |
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| Publication Number | Publication Date |
|---|---|
| CN111843044A true CN111843044A (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010504234.5A Pending CN111843044A (en) | 2020-06-05 | 2020-06-05 | High-efficient radiating cutting machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111843044A (en) |
| WO (1) | WO2021243911A1 (en) |
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| CN112476051A (en) * | 2020-11-20 | 2021-03-12 | 上海第二工业大学 | Electricity main shaft heat abstractor |
| CN113685445A (en) * | 2021-08-26 | 2021-11-23 | 浙江上风高科专风实业股份有限公司 | Novel air cooling bearing box |
| CN114433946A (en) * | 2022-02-28 | 2022-05-06 | 许昌学院 | Special reaming device of portable electromechanical device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115750751B (en) * | 2022-10-11 | 2023-09-12 | 南京传仕重工科技有限公司 | Stable heat dissipation type speed reducer and application method thereof |
| CN116441994B (en) * | 2023-04-21 | 2023-12-01 | 群志数控装备(苏州)有限公司 | Cooling liquid circulating device of vertical machining center |
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|---|---|
| WO2021243911A1 (en) | 2021-12-09 |
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