CN219945483U - Cooling device of sawing machine - Google Patents
Cooling device of sawing machine Download PDFInfo
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- CN219945483U CN219945483U CN202321466945.3U CN202321466945U CN219945483U CN 219945483 U CN219945483 U CN 219945483U CN 202321466945 U CN202321466945 U CN 202321466945U CN 219945483 U CN219945483 U CN 219945483U
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- 238000001816 cooling Methods 0.000 title claims abstract description 166
- 239000007788 liquid Substances 0.000 claims abstract description 127
- 238000007789 sealing Methods 0.000 claims abstract description 54
- 230000001050 lubricating effect Effects 0.000 claims abstract description 51
- 125000006850 spacer group Chemical group 0.000 claims description 32
- 238000005096 rolling process Methods 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 230000017525 heat dissipation Effects 0.000 abstract description 7
- 238000005461 lubrication Methods 0.000 abstract description 5
- 238000004891 communication Methods 0.000 description 12
- 238000005520 cutting process Methods 0.000 description 12
- 239000012530 fluid Substances 0.000 description 8
- 238000005086 pumping Methods 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000005068 cooling lubricant Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Auxiliary Devices For Machine Tools (AREA)
Abstract
The utility model discloses a cooling device of a sawing machine, wherein a cooling cavity is arranged in a spindle box, cooling lubricating liquid is supported in the cooling cavity, a driving spindle for driving a saw blade component to rotate is rotationally arranged in the spindle box, a supporting shaft sleeve is arranged in the spindle box, the driving spindle is rotationally arranged in the supporting shaft sleeve through a rotating bearing group, sealing devices are arranged at two ends of the supporting shaft sleeve, a cooling loop communicated with the cooling cavity is arranged in the supporting shaft sleeve, a circulating liquid inlet and a circulating liquid outlet are formed in the spindle box, a liquid inlet pipeline is connected to the circulating liquid inlet, a liquid outlet pipeline is connected to the circulating liquid outlet, a suction pump and a radiator are fixed on the spindle box, the liquid outlet pipeline is communicated with an inlet of the suction pump, an outlet of the suction pump is communicated with a cooling inlet of the radiator, and a cooling outlet of the radiator is communicated with the liquid inlet pipeline; the device can cool the rotating bearing on the driving main shaft in time when the driving main shaft rotates, thereby helping the heat dissipation and lubrication of the driving main shaft and the rotating bearing and improving the use effect.
Description
Technical Field
The utility model relates to the technical field of profile machining, in particular to a cooling device of a sawing machine.
Background
The saw cutting machine is a device for carrying out on-line cutting on a pipe by utilizing a rapidly rotating saw blade, and generally comprises a motor, a belt, a saw blade component, a machine body and other structures, when cutting is carried out, the rotating speed of the motor is adjusted so as to change the rotating speed of the saw blade component, thereby adapting to cutting of different materials, when cutting steel, the cutting speed is required to be reduced so as to cut the aluminum, and when cutting the aluminum, the lower cutting speed cannot be used for completing the cutting of the aluminum, so that the cutting speed is required to be improved, and because the higher rotating speed is required to be continuously maintained, the driving main shaft connected with the saw blade component continuously rotates to generate higher temperature, effective heat dissipation cannot be carried out, and the cutting effect and the use safety can be influenced when the saw cutting machine is continuously used.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: a cooling device of a sawing machine can timely cool a rotating bearing on a driving main shaft when the driving main shaft rotates, so that heat dissipation and lubrication of the driving main shaft and the rotating bearing are facilitated, and the using effect is improved.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a saw cut cooling device of machine, includes the headstock, be provided with the cooling chamber in the headstock, bear and have cooling lubrication liquid in the cooling chamber, the drive saw bit subassembly pivoted drive main shaft is installed to the headstock rotation, be equipped with the supporting shaft sleeve in the headstock, the drive main shaft passes through the rotation of rotating bearing group and installs in the supporting shaft sleeve, the supporting shaft sleeve both ends all are equipped with sealing device, be equipped with the cooling circuit with cooling chamber intercommunication in the supporting shaft sleeve, circulation inlet and circulation liquid outlet have been seted up on the headstock, be connected with the feed liquor pipeline on the circulation liquid inlet, be connected with the drain pipeline on the circulation liquid outlet, be fixed with suction pump and radiator on the headstock, the drain pipeline communicates with the suction pump's entry, the export of suction pump communicates with the cooling entry of radiator, the cooling export and the feed liquor pipeline intercommunication of radiator.
As a preferable scheme, a circulating flow inlet and a circulating flow outlet are formed in the supporting shaft sleeve, a flow gap is formed between the supporting shaft sleeve and the driving main shaft, the circulating flow inlet and the circulating flow outlet are communicated with the flow gap, and the circulating flow inlet, the circulating flow outlet, the flow gap and the gap of the rotating bearing group form the cooling loop together.
As a preferable scheme, the rotating bearing group comprises a plurality of rotating bearings arranged on the driving main shaft, the number of the circulating flow inlet holes and the circulating flow outlet holes is a plurality of pairs, and one rotating bearing is arranged between each pair of circulating flow inlet holes and circulating flow outlet holes.
As a preferred solution, the rolling bearing set further includes a first outboard bearing and a second outboard bearing located at both ends of the drive spindle, the circulating flow outlet or circulating flow inlet is provided between the first outboard bearing and the adjacent rolling bearing, the side plates of the headstock corresponding to the first outboard bearing and the second outboard bearing are respectively provided with a first plate-on-circulating passage and a second plate-on-circulating passage, the first plate-on-circulating passage communicates the cooling chamber with the flow gap outside the first outboard bearing, and the second plate-on-circulating passage communicates the cooling chamber with the flow gap outside the second outboard bearing.
As a preferable scheme, the sealing devices at two ends of the supporting shaft sleeve are identical in structure, the sealing device close to the first outer side bearing comprises a sealing ring, a sealing pressing plate is arranged at the outer side of the sealing ring, the sealing ring and the sealing pressing plate are fixed on the side face of the main shaft box through fasteners, a sealing piece is arranged between an inner hole of the sealing ring and the driving main shaft, a connecting channel is arranged on the sealing ring, and the connecting channel connects and communicates the circulating channel on the first plate with the flowing gap at the outer side of the first outer side bearing.
As a preferable scheme, a limit protrusion matched with the first outside bearing is arranged on the surface, close to the first outside bearing, of the sealing ring.
As a preferable scheme, an outer spacer bush and an inner spacer bush which are in contact with the end surfaces of the rotary bearings are arranged at intervals among the rotary bearings, the outer spacer bush is arranged on the inner wall of the supporting shaft sleeve, the inner spacer bush is arranged on the outer wall of the driving main shaft, and communication through holes which are in one-to-one correspondence with the circulating flow inlet holes and the circulating flow outlet holes are formed in the outer spacer bush.
As a preferable scheme, the outer spacer bush is externally provided with annular sinking grooves, and the number of the communication through holes is multiple and is positioned in the annular sinking grooves.
As a preferable scheme, a circulating flow inlet or a circulating flow outlet is formed in the supporting shaft sleeve, a flow gap is formed between the supporting shaft sleeve and the driving main shaft, the circulating flow inlet or the circulating flow outlet are communicated with the flow gap, a first plate-mounted circulating channel and a second plate-mounted circulating channel are respectively formed in side plates on two sides of the main shaft box, the first plate-mounted circulating channel is communicated with the cooling chamber and the flow gap, the second plate-mounted circulating channel is communicated with the cooling chamber and the flow gap, and the circulating flow inlet or the circulating flow outlet, the flow gap and the gap of the rotating bearing set are formed together with the first plate-mounted circulating channel and the second plate-mounted circulating channel to form the cooling loop.
As a preferable scheme, a liquid outlet for conveniently discharging cooling lubricating liquid and a liquid injection port for conveniently injecting the cooling lubricating liquid are arranged in the cooling cavity, and the liquid outlet and the liquid injection port are plugged through threads.
After the technical scheme is adopted, the utility model has the following effects: the cooling device of the sawing machine comprises a main shaft box, wherein a cooling cavity is formed in the main shaft box, cooling lubricating liquid is supported in the cooling cavity, a driving main shaft for driving the saw blade component to rotate is rotationally arranged in the main shaft box, a supporting shaft sleeve is arranged in the main shaft box, the driving main shaft is rotationally arranged in the supporting shaft sleeve through a rotating bearing group, sealing devices are arranged at two ends of the supporting shaft sleeve, a cooling loop communicated with the cooling cavity is arranged in the supporting shaft sleeve, a circulating liquid inlet and a circulating liquid outlet are formed in the main shaft box, a liquid inlet pipeline is connected to the circulating liquid inlet, a liquid outlet pipeline is connected to the circulating liquid outlet, a suction pump and a radiator are fixed on the main shaft box, the liquid outlet pipeline is communicated with an inlet of the suction pump, an outlet of the suction pump is communicated with a cooling inlet of the radiator, and a cooling outlet of the radiator is communicated with the liquid inlet pipeline; firstly, a suction pump sucks the cooling cavity through a liquid outlet pipeline, a cooling lubricating liquid suction pump enters a radiator, then the radiator radiates the entered cooling lubricating liquid, the cooling lubricating liquid enters a circulating liquid inlet from a cooling outlet through a liquid inlet pipeline after radiating, and then the cooling lubricating liquid in the cooling cavity enters a cooling loop through the pressure of the suction pump, so that the rotating bearing group can be lubricated and cooled, and the circulating cooling is performed; the device can cool the rotating bearing group on the driving main shaft in time when the driving main shaft rotates, thereby helping the heat dissipation and lubrication of the driving main shaft and the rotating bearing group and improving the use effect.
The circulating flow inlet and the circulating flow outlet are formed in the supporting shaft sleeve, a flow gap is formed between the supporting shaft sleeve and the driving main shaft, the circulating flow inlet and the circulating flow outlet are communicated with the flow gap, and the circulating flow inlet, the circulating flow outlet, the flow gap and the gap of the rotating bearing group form the cooling loop together; therefore, the cooling lubricating liquid can enter from the circulating flow hole and flow out from the circulating flow outlet hole through the rotating bearing group, and the accuracy of circulating flow cooling can be effectively ensured.
The rotary bearing group comprises a plurality of rotary bearings arranged on the driving main shaft, the number of the circulating flow holes and the circulating flow outlet holes is a plurality of pairs, and one rotary bearing is arranged between each pair of circulating flow holes and the circulating flow outlet holes; therefore, when the cooling lubricating liquid enters the circulating flow hole, the cooling lubricating liquid only passes through one rotating bearing, so that the flow resistance can be effectively reduced, the cooling effect is good, and the efficiency is improved.
The rotating bearing group further comprises a first outer bearing and a second outer bearing which are positioned at two ends of the driving main shaft, the circulating flow outlet holes or circulating flow inlet holes are formed between the first outer bearing and the adjacent rotating bearing and between the second outer bearing and the adjacent rotating bearing, a first plate upper circulating channel and a second plate upper circulating channel are respectively arranged on the side plates corresponding to the main shaft box and the first outer bearing and the second outer bearing, the first plate upper circulating channel is used for communicating the cooling chamber with the flow gap outside the first outer bearing, and the second plate upper circulating channel is used for communicating the cooling chamber with the flow gap outside the second outer bearing; therefore, after the cooling lubricating liquid enters the flow gap, the first outer bearing and the second outer bearing can be cooled and lubricated, and meanwhile, the first outer bearing and the second outer bearing are arranged at two ends of the driving main shaft, so that the driving main shaft can rotate more stably and reliably, and good cooling effect is ensured.
The sealing device at the two ends of the supporting shaft sleeve is identical in structure, the sealing device close to the first outer side bearing comprises a sealing ring, a sealing pressing plate is arranged at the outer side of the sealing ring, the sealing ring and the sealing pressing plate are fixed on the side face of the main shaft box through fasteners, a sealing piece is arranged between an inner hole of the sealing ring and the driving main shaft, a connecting channel is arranged on the sealing ring, the connecting channel is used for connecting and communicating the circulating channel on the first plate with the flowing clearance at the outer side of the first outer side bearing, and the first outer side bearing and the second outer side bearing are arranged at the two ends of the driving main shaft.
The limiting protrusion matched with the first outside bearing is arranged on the plate surface, close to the first outside bearing, of the sealing ring; this can help the first outboard bearing effectively support axially during rotation and facilitate installation of the structure.
The outer spacer bush and the inner spacer bush which are in contact with the end faces of the rotating bearings are arranged at intervals among the rotating bearings, the outer spacer bush is arranged on the inner wall of the supporting shaft sleeve, the inner spacer bush is arranged on the outer wall of the driving main shaft, and the outer spacer bush is provided with communication through holes which are in one-to-one correspondence with the circulating flow inlet holes and the circulating flow outlet holes, so that on one hand, the rotating bearings are effectively and axially positioned during installation and rotation, and on the other hand, the rotating bearings are prevented from axially shaking during rotation, thereby ensuring that the driving main shaft rotates stably and preventing cooling and lubricating liquid from entering.
The annular sinking grooves are arranged outside the outer spacer bush, and the plurality of the communication through holes are positioned in the annular sinking grooves, so that the pressure of cooling lubricating liquid entering the flowing gap can be effectively reduced, the cooling lubricating liquid entering from the circulating flow inlet can enter from different communication through holes, and the pressure of the cooling lubricating liquid can be effectively reduced when the cooling lubricating liquid is discharged from the flowing gap.
The circulating flow inlet or the circulating flow outlet are formed in the supporting shaft sleeve, a flow gap is formed between the supporting shaft sleeve and the driving main shaft, the circulating flow inlet or the circulating flow outlet are communicated with the flow gap, a first plate circulating channel and a second plate circulating channel are respectively formed in side plates on two sides of the main shaft box, the first plate circulating channel is used for communicating the cooling cavity with the flow gap, the second plate circulating channel is used for communicating the cooling cavity with the flow gap, and the circulating flow inlet or the circulating flow outlet, the flow gap, the gaps of the rotating bearing group, the first plate circulating channel and the second plate circulating channel jointly form the cooling loop; when the support shaft sleeve is provided with the circulating flow inlet, the circulating channel on the first plate and the circulating channel on the second plate are outflow channels of cooling lubricating liquid, otherwise, the support shaft sleeve is provided with the circulating flow outlet, and the circulating channel on the first plate and the circulating channel on the second plate are inflow channels of cooling lubricating liquid, so that the cooling lubricating liquid can flow through all the rotating bearings, and cooling lubricating is effectively carried out.
The cooling cavity is internally provided with a liquid outlet port for conveniently discharging cooling lubricating liquid and a liquid injection port for conveniently injecting the cooling lubricating liquid, and the liquid outlet port and the liquid injection port are plugged through threads; the screw thread shutoff is swift convenient, raises the efficiency, after liquid pipeline and feed liquor pipeline are connected, can follow other interfaces and annotate the liquid and can ensure that liquid pipeline and feed liquor pipeline are interior all to have cooling lubrication liquid to form the circulation, make it can circulate cold.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a perspective view of an embodiment of the present utility model;
FIG. 2 is a schematic view of the structure of a cooling chamber according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a cooling chamber according to an embodiment of the present utility model;
FIG. 4 is a partial enlarged view of an embodiment of the present utility model;
FIG. 5 is a schematic view of the construction of an outer spacer according to an embodiment of the present utility model;
in the accompanying drawings: 1. a cooling chamber; 2. driving a main shaft; 3. a support shaft sleeve; 4. a circulating liquid inlet; 5. a circulation liquid outlet; 6. a saw blade assembly; 7. a heat sink; 8. a spindle box; 9. a flow gap; 10. a base; 11. a circulation flow inlet; 12. a seal ring; 13. a limit protrusion; 14. a sealing pressing plate; 15. a seal; 16. a first on-board circulation channel; 17. a cooling inlet; 18. a cooling outlet; 19. a heat radiation fan; 20. a liquid pump; 21. a liquid pumping port; 22. an outer spacer; 23. an inner spacer; 24. a communication through hole; 25. an annular sink; 26. a first outboard bearing; 27. a second outboard bearing; 28. a first inboard bearing; 29. a second inboard bearing; 30. a liquid outlet; 31. a liquid injection port; 32. a support base; 33. a second plate circulation channel; 34. a circulating flow outlet; 35. and (5) connecting the channels.
Detailed Description
The present utility model will be described in further detail with reference to the following examples.
As shown in fig. 1 to 5, a cooling device of a sawing machine comprises a spindle box 8, wherein a cooling cavity 1 is arranged in the spindle box 8, cooling lubricating liquid is contained in the cooling cavity 1, a driving spindle 2 for driving a saw blade assembly 6 to rotate is rotatably arranged in the spindle box 8, a supporting shaft sleeve 3 is arranged in the spindle box 8, the driving spindle 2 is rotatably arranged in the supporting shaft sleeve 3 through a rotating bearing group, sealing devices are arranged at two ends of the supporting shaft sleeve 3, a cooling loop communicated with the cooling cavity 1 is arranged in the supporting shaft sleeve 3, a circulating liquid inlet 4 and a circulating liquid outlet 5 are formed in the spindle box 8, a liquid inlet pipeline is connected to the circulating liquid outlet 5, a liquid outlet pump and a radiator 7 are fixedly arranged on the spindle box 8, the liquid outlet pipeline is communicated with an inlet of a suction pump, an outlet of the suction pump is communicated with a cooling inlet 17 of the radiator 7, and a cooling outlet 18 of the radiator 7 is communicated with the liquid inlet pipeline; in this embodiment, the headstock 8 is fixedly mounted on the base 10, the base 10 is convenient to fix, a suction pump and a radiator 7 are fixed on the headstock 8, a supporting seat 32 is fixedly mounted on the headstock 8 by threads, a supporting plane is arranged on the supporting seat 32, the suction pump and the radiator 7 are both fixedly mounted on the supporting seat 32, a cooling inlet 17 and a cooling outlet 18 are arranged on the radiator 7, a cooling fan 19 which is convenient for heat dissipation is arranged on the radiator 7, and communication between the cooling outlet 18 and the circulating inlet 4 is completed through a liquid inlet pipeline; the radiator 7 is internally provided with a pipeline which is arranged corresponding to the radiating fins of the radiator 7, the radiating fins are made of materials convenient for heat conduction, the heat of cooling lubricating liquid in the pipeline can be better transferred to the radiating fins, the heat can reach the radiating fins by pumping the cooling lubricating liquid to be cooled into the pipeline, then the fan blows the heat on the fins, so that the effective heat dissipation is achieved, and the fan can better help the heat dissipation and improve the efficiency; the heat sink 7 is a commercially available structure and is therefore not described in detail herein.
In this embodiment, a circulation flow hole 11 and a circulation flow outlet hole 34 are formed in the support shaft sleeve 3, a flow gap 9 is formed between the support shaft sleeve 3 and the drive main shaft 2, the circulation flow hole 11 and the circulation flow outlet hole 34 are communicated with the flow gap 9, and the circulation flow hole 11, the circulation flow outlet hole 34, the flow gap 9 and the gap of the rotating bearing set form the cooling circuit together; this ensures that the cooling lubricant can enter from the circulation flow hole 11, pass through the rolling bearing set, and flow out from the circulation flow outlet hole 34, and effectively ensures the accuracy of circulation flow cooling.
Further, the rotating bearing group comprises a plurality of rotating bearings arranged on the driving main shaft 2, the number of the circulating flow inlet holes 11 and the circulating flow outlet holes 34 is a plurality of pairs, and one rotating bearing is arranged between each pair of circulating flow inlet holes 11 and circulating flow outlet holes 34; therefore, when the cooling lubricating liquid enters the circulating flow hole 11, the cooling lubricating liquid only passes through one rotating bearing, so that the flow resistance can be effectively reduced, the cooling effect is good, the efficiency is improved, the rotating bearings can be uniformly distributed, and the rotation of the driving main shaft 2 is stable.
As shown in fig. 2, the rolling bearing set further includes a first outboard bearing 26 and a second outboard bearing 27 at both ends of the drive main shaft 2, the circulating flow outlet 34 or the circulating flow inlet 11 is provided between the first outboard bearing 26 and the adjacent rolling bearing, and between the second outboard bearing 27 and the adjacent rolling bearing, the main shaft box 8 and the side plates corresponding to the first outboard bearing 26 and the second outboard bearing 27 are provided with a first on-plate circulating passage 16 and a second on-plate circulating passage 33, respectively, the first on-plate circulating passage 16 communicates the cooling chamber 1 with the flow gap 9 outside the first outboard bearing 26, and the second on-plate circulating passage 33 communicates the cooling chamber 1 with the flow gap 9 outside the second outboard bearing 27; since four rolling bearings are provided on the drive shaft 2 and are symmetrically installed near both ends of the drive shaft 2, such that a first inner bearing 28 is provided on one side of the first outer bearing 26 and a second inner bearing 29 is provided on one side of the second outer bearing 27, four circulating flow outlet holes 34 or circulating flow inlet holes 11 are provided on the support boss 3, the first inner bearing 28 is provided between the two circulating flow outlet holes 34 or circulating flow inlet holes 11, the second inner bearing 29 is provided between the two circulating flow outlet holes 34 or circulating flow inlet holes 11, and after communicating with the circulating passages 16 on the first plate and the circulating passages 33 on the second plate, the cooling lubricating fluid can flow through the first outer bearing 26, the first inner bearing 28, the second outer bearing 27 and the second inner bearing 29, and the middle of the adjacent support boss 3 is provided with the two circulating flow inlet holes 11, between the first outside bearing 26 and the first inside bearing 28, between the second outside bearing 27 and the second inside bearing 29 are circulation flow outlet holes 34, the circulation flow outlet holes 34 have a diameter larger than the circulation flow inlet holes 11 and the diameters of the first plate circulation passages 16 and the second plate circulation passages 33, so that when the cooling lubricating fluid enters the cooling chamber 1, the cooling lubricating fluid enters the first plate circulation passages 16 and the second plate circulation passages 33 and the two circulation flow inlet holes 11, respectively, and then passes through the first outside bearing 26 and the first inside bearing 28 from both sides, and finally flows out of the two circulation flow outlet holes 34, respectively, the flow of the cooling lubricating fluid is controlled by the pressure difference, so that the rolling bearing can be lubricated and cooled.
In this embodiment, the sealing devices at the two ends of the supporting shaft sleeve 3 are identical in structure, the sealing device near the first outer side bearing 26 comprises a sealing ring 12, a sealing pressing plate 14 is arranged at the outer side of the sealing ring 12, the sealing ring 12 and the sealing pressing plate 14 are fixed on the side surface of the spindle box 8 through fasteners, a sealing piece 15 is arranged between an inner hole of the sealing ring 12 and the driving spindle 2, an engagement channel 35 is arranged on the sealing ring 12, the engagement channel 35 is used for connecting and communicating the circulating channel 16 on the first plate and the flowing gap 9 at the outer side of the first outer side bearing 26, the circulating channel 33 on the second plate and the flowing gap 9 at the outer side of the second outer side bearing 27 are connected and communicated, and the circulating channel 16 on the first outer side bearing 26 and the second outer side bearing 27 cannot be directly communicated with the first outer side bearing 26 and the second outer side bearing 27 because the circulating channel 33 on the first plate cannot be connected with the first outer side bearing 26 and the second outer bearing 27, and the engagement channel 35 on the sealing ring 12 can be effectively connected, and the sealing pressing plate 14 and the sealing pressing plate 15 can be connected with each other in use, and the driving spindle can be guaranteed to rotate stably when the spindle 2 can be driven in a shaking state.
Further, a plate surface of the sealing ring 12, which is close to the first outboard bearing 26, is provided with a limiting protrusion 13 that is matched with the first outboard bearing 26, and a plate surface of the sealing ring 12, which is close to the second outboard bearing 27, is also provided with a limiting protrusion 13 that is matched with the first outboard bearing 26, so that when the rolling bearing is installed, effective positioning is performed, and when the rolling bearing is installed, the rolling bearing can be effectively supported by the rolling bearing, and stability is improved.
As shown in fig. 4 and 5, an outer spacer 22 and an inner spacer 23 which are in contact with the end surfaces of the rotary bearings are arranged at intervals between the rotary bearings, the outer spacer 22 is arranged on the inner wall of the supporting shaft sleeve 3, the inner spacer 23 is arranged on the outer wall of the driving main shaft 2, and the outer spacer 22 is provided with communication through holes 24 which are in one-to-one correspondence with the circulating flow inlet holes 11 and the circulating flow outlet holes 34; on the one hand, the axial positioning of the rotating bearing is effectively assisted when the rotating bearing is installed and rotated, on the other hand, the rotating bearing is matched with the limiting protrusion 13 in the rotating process, so that the rotating stability of the driving main shaft 2 is guaranteed, the cooling lubricating liquid is not prevented from entering, the widths of the outer spacer 22 and the inner spacer 23 between the first inner bearing 28 and the second inner bearing 29 are larger than those of the outer spacer 22 and the inner spacer 23 which are positioned on two sides, and the rotating bearing is effectively supported and the resistance of the cooling lubricating liquid entering the flowing gap 9 is reduced.
Further, the outer spacer 22 is provided with a plurality of annular sinking grooves 25, and the number of the communication through holes 24 is increased and the communication through holes are located in the annular sinking grooves 25, so that the pressure of the cooling lubricating fluid entering the flow gap 9 can be effectively reduced, the cooling lubricating fluid entering from the circulating flow holes can enter from different communication through holes 24, and simultaneously, the pressure of the cooling lubricating fluid can be effectively reduced when the cooling lubricating fluid is discharged from the flow gap 9, and two annular sinking grooves 25 are formed in the outer spacer 22 between the first inner bearing 28 and the second inner bearing 29.
Of course, it is also possible to adopt another scheme, a circulation flow hole 11 or a circulation flow outlet hole 34 is provided on the support shaft sleeve 3, a flow gap 9 is provided between the support shaft sleeve 3 and the driving spindle 2, the circulation flow hole 11 or the circulation flow outlet hole 34 are all communicated with the flow gap 9, a first plate circulation channel 16 and a second plate circulation channel 33 are respectively provided on the side plates on two sides of the spindle box 8, the first plate circulation channel 16 communicates the cooling chamber 1 with the flow gap 9, the second plate circulation channel 33 communicates the cooling chamber 1 with the flow gap 9, and the circulation flow hole 11 or the circulation flow outlet hole 34, the flow gap 9, and the gap of the rotating bearing set, the first plate circulation channel 16 and the second plate circulation channel 33 together form the cooling circuit; the circulation flow outlet holes 34 or the circulation flow inlet holes 11 are provided between the first inner bearing 28 and the second inner bearing 29, and the circulation flow outlet holes 34 are provided in two numbers, corresponding to the first plate circulation channel 16 and the second plate circulation channel 33, respectively, so that when the circulation flow outlet holes 34 are provided, the first plate circulation channel 16 and the second plate circulation channel 33 are inlet holes, whereas the first plate circulation channel 16 and the second plate circulation channel 33 are outlet holes, the cooling lubricating liquid in the cooling chamber 1 enters the flow gap 9 from the circulation flow inlet holes 11 or the first plate circulation channel 16 and the second plate circulation channel 33, passes through the first outer bearing 26, the first inner bearing 28, the second outer bearing 27 and the second inner bearing 29, respectively, and flows out from the first plate circulation channel 16, the second plate circulation channel 33 or the circulation flow outlet holes 34, so that the cooling lubricating liquid can flow through the respective rolling bearings, thereby effectively cooling and lubricating the cooling.
As shown in fig. 1, the suction pump comprises a liquid suction pump 20, a liquid suction port 21 is arranged at a liquid suction end of the liquid suction pump 20, one end of the liquid suction port 21 is connected with the liquid outlet pipeline, and the other end of the liquid suction port 21 is connected with the cooling inlet 17; because the cooling and lubricating liquid in the cooling cavity 1 needs to be circularly cooled, the pumping of the liquid pump 20 can provide flowing power, the cooling and lubricating liquid can also conveniently enter the circulating flow hole 11 after entering the cooling cavity 1, the radiator 7 and the liquid pump 20 are always in a connection state, and the cooling inlet 17 and the cooling outlet 18 on the radiator 7 can be replaced.
In this embodiment, a liquid outlet 30 for conveniently discharging the cooling lubricant and a liquid injection port 31 for conveniently injecting the cooling lubricant are provided in the cooling chamber 1, and the liquid outlet 30 and the liquid injection port 31 are plugged by threads; the screw plugging is quick and convenient, the efficiency is improved, after the connection of the liquid outlet pipeline and the liquid inlet pipeline is finished, the cooling lubricating liquid is injected, so that the cooling lubricating liquid can be ensured to be in the liquid outlet pipeline and the liquid inlet pipeline, circulation is formed, the circulating cooling can be realized, the liquid injection port 31 is positioned at the upper half part of the spindle box 8, and the liquid outlet is positioned at the lower half part of the spindle box 8.
The working principle of the embodiment is as follows: the liquid pump 20 is operated, the cooling fan 19 is turned on, the liquid outlet pipeline is used for pumping the cooling lubricating liquid in the cooling cavity 1, the cooling lubricating liquid enters the radiator 7 for air cooling, then the liquid enters the cooling cavity 1 from the liquid inlet pipeline, the liquid starts to enter the first on-board circulation channel 16 and the second on-board circulation channel 33 at the two sides of the cooling cavity 1, the circulating flow hole 11 also starts to enter the liquid, the cooling lubricating liquid enters the flow gap 9 through the connecting channel 35 and the communication through hole 24, flows from the outer side of the first outer side bearing 26 to the middle of the first inner side bearing 28, the second outer side bearing 27 to the second inner side bearing 29 are the same, and finally flows out from the circulating flow outlet 34 in a circulating way.
The above examples are merely illustrative of the preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, and various modifications and adaptations of the technical solution of the present utility model should and are intended to fall within the scope of the present utility model as defined in the claims.
Claims (10)
1. A cooling device of a sawing machine, which is characterized in that: the cooling device comprises a main shaft box, a cooling cavity is arranged in the main shaft box, cooling lubricating liquid is supported in the cooling cavity, a driving main shaft for driving a saw blade assembly to rotate is rotationally arranged in the main shaft box, a supporting shaft sleeve is arranged in the main shaft box, the driving main shaft is rotationally arranged in the supporting shaft sleeve through a rotating bearing group, sealing devices are arranged at two ends of the supporting shaft sleeve, a cooling loop communicated with the cooling cavity is arranged in the supporting shaft sleeve, a circulating liquid inlet and a circulating liquid outlet are formed in the main shaft box, a liquid inlet pipeline is connected to the circulating liquid inlet, a liquid outlet pipeline is connected to the circulating liquid outlet, a suction pump and a radiator are fixed on the main shaft box, the liquid outlet pipeline is communicated with an inlet of the suction pump, an outlet of the suction pump is communicated with a cooling inlet of the radiator, and a cooling outlet of the radiator is communicated with the liquid inlet pipeline.
2. A cooling device for a sawing machine as claimed in claim 1, characterized in that: the cooling device comprises a support shaft sleeve, and is characterized in that a circulating flow inlet hole and a circulating flow outlet hole are formed in the support shaft sleeve, a flow gap is formed between the support shaft sleeve and a driving main shaft, the circulating flow inlet hole and the circulating flow outlet hole are communicated with the flow gap, and the circulating flow inlet hole, the circulating flow outlet hole, the flow gap and the gap of a rotating bearing set form the cooling loop together.
3. A cooling device for a sawing machine as claimed in claim 2, characterized in that: the rotary bearing group comprises a plurality of rotary bearings arranged on the driving main shaft, the number of the circulating flow inlet holes and the circulating flow outlet holes is multiple, and one rotary bearing is arranged between each pair of circulating flow inlet holes and each pair of circulating flow outlet holes.
4. A cooling device for a sawing machine as claimed in claim 3, characterized in that: the rotating bearing group further comprises a first outer bearing and a second outer bearing which are positioned at two ends of the driving main shaft, the circulating flow outlet holes or circulating flow inlet holes are formed between the first outer bearing and the adjacent rotating bearing and between the second outer bearing and the adjacent rotating bearing, a first plate circulating channel and a second plate circulating channel are respectively arranged on side plates corresponding to the main shaft box and the first outer bearing and the second outer bearing, the first plate circulating channel is used for communicating the cooling chamber with the flow gap outside the first outer bearing, and the second plate circulating channel is used for communicating the cooling chamber with the flow gap outside the second outer bearing.
5. A cooling device for a sawing machine as claimed in claim 4, characterized in that: the sealing device at two ends of the supporting shaft sleeve is identical in structure, the sealing device close to the first outer side bearing comprises a sealing ring, a sealing pressing plate is arranged at the outer side of the sealing ring, the sealing ring and the sealing pressing plate are fixed on the side face of the main shaft box through fasteners, a sealing piece is arranged between an inner hole of the sealing ring and the driving main shaft, a connecting channel is arranged on the sealing ring, and the connecting channel is communicated with the circulating channel on the first plate and the flowing gap at the outer side of the first outer side bearing in a connecting mode.
6. A cooling device for a sawing machine as claimed in claim 5, characterized in that: and a limit protrusion matched with the first outside bearing is arranged on the surface, close to the first outside bearing, of the sealing ring.
7. A cooling device for a sawing machine as claimed in claim 6, characterized in that: the interval department between each rolling bearing all installs outer spacer and interior spacer with rolling bearing terminal surface contact, outer spacer is installed on the inner wall of support axle sleeve, interior spacer is installed on the outer wall of drive main shaft, outer spacer has seted up the intercommunication through-hole with circulation flow inlet and circulation flow outlet one-to-one.
8. A cooling device for a sawing machine as claimed in claim 7, characterized in that: the outside of outer spacer bush is provided with annular heavy groove, the quantity of intercommunication through-hole is a plurality of and is located annular heavy inslot.
9. A cooling device for a sawing machine as claimed in claim 1, characterized in that: the cooling device comprises a main shaft box, a support shaft sleeve, a cooling cavity, a cooling loop, a first plate upper circulating channel, a second plate upper circulating channel, a support shaft sleeve, a circulating flow hole or a circulating flow outlet arranged on the support shaft sleeve, a flowing gap arranged between the support shaft sleeve and the driving main shaft, wherein the circulating flow hole or the circulating flow outlet is communicated with the flowing gap, the side plates on two sides of the main shaft box are respectively provided with the first plate upper circulating channel and the second plate upper circulating channel, the cooling cavity is communicated with the flowing gap by the first plate upper circulating channel, the cooling cavity is communicated with the flowing gap by the second plate upper circulating channel, and the circulating loop is jointly formed by the circulating flow hole or the circulating flow outlet, the flowing gap and the gap of the rotating bearing group.
10. A cooling device for a sawing machine as claimed in claim 1, characterized in that: the cooling chamber is internally provided with a liquid outlet for conveniently discharging cooling lubricating liquid and a liquid injection port for conveniently injecting the cooling lubricating liquid, and the liquid outlet and the liquid injection port are plugged through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321466945.3U CN219945483U (en) | 2023-06-09 | 2023-06-09 | Cooling device of sawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321466945.3U CN219945483U (en) | 2023-06-09 | 2023-06-09 | Cooling device of sawing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219945483U true CN219945483U (en) | 2023-11-03 |
Family
ID=88554926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321466945.3U Active CN219945483U (en) | 2023-06-09 | 2023-06-09 | Cooling device of sawing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219945483U (en) |
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2023
- 2023-06-09 CN CN202321466945.3U patent/CN219945483U/en active Active
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