CN210937148U - BBT handle of a knife interface high-speed center play water electric main shaft - Google Patents
BBT handle of a knife interface high-speed center play water electric main shaft Download PDFInfo
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- CN210937148U CN210937148U CN201920798493.6U CN201920798493U CN210937148U CN 210937148 U CN210937148 U CN 210937148U CN 201920798493 U CN201920798493 U CN 201920798493U CN 210937148 U CN210937148 U CN 210937148U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 230000007246 mechanism Effects 0.000 claims abstract description 91
- 210000000078 claw Anatomy 0.000 claims abstract description 55
- 238000001816 cooling Methods 0.000 claims abstract description 46
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000003825 pressing Methods 0.000 claims abstract description 12
- 230000005611 electricity Effects 0.000 claims abstract description 8
- 239000000428 dust Substances 0.000 claims description 42
- 229910000831 Steel Inorganic materials 0.000 claims description 38
- 239000010959 steel Substances 0.000 claims description 38
- 125000006850 spacer group Chemical group 0.000 claims description 27
- 239000000498 cooling water Substances 0.000 claims description 25
- 238000003860 storage Methods 0.000 claims description 11
- 230000002265 prevention Effects 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 abstract description 2
- 239000004519 grease Substances 0.000 abstract description 2
- 230000001050 lubricating effect Effects 0.000 abstract description 2
- 238000005461 lubrication Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 64
- 238000012545 processing Methods 0.000 description 8
- 238000003754 machining Methods 0.000 description 5
- 239000010720 hydraulic oil Substances 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- -1 barium boron tin Chemical compound 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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Abstract
The utility model discloses a BBT handle of a knife interface high-speed center play water electricity main shaft, including rotor mechanism, terminal surface dust-proof mechanism, double-layered sword mechanism, central play water mechanism, cooling body, hydro-cylinder mechanism and atmoseal mechanism, this BBT handle of a knife interface high-speed center goes out the piston on the water electricity main shaft and whether move backward, the gas circuit of airtight and oil extraction of parallelly connected and main shaft front end is normally open state, make the compressed air pressure of rear end equal with the pressure of front end gas ring subassembly gas seal, the lubricating grease of effective protection bearing is not leaded to the lubrication inefficacy by convection air, and the draw claw seat forms the closing mechanism with the sealing washer of blind rivet hole, and the thin cylinder front end face that stretches into the blind rivet hole is equipped with the angle of inclination, when pressing from the sword, the blind rivet hole on the handle of a knife can reliably slide into the thin cylinder of draw claw seat, and install the fixed cover of draw claw on the draw claw seat, the, the boss position of the main shaft is matched with the groove of the pull claw, so that the rotary displacement of the pull claw is prevented, and the original dynamic balance of the main shaft is prevented from being influenced.
Description
Technical Field
The invention relates to the technical field of CNC (computer numerical control) main shafts, in particular to a BBT (BBT) knife handle interface high-speed center water outlet and electricity main shaft
Background
In the existing domestic numerical control machining center, a tool shank interface is mostly BT series, and rarely has the function of central effluent internal cooling, so that in the field of deep hole high-finish machining, the finish of a workpiece is difficult to guarantee, a tool is seriously worn, the cost of the tool is high, and the machining efficiency is seriously influenced.
Disclosure of Invention
The invention aims to provide a BBT (barium boron tin) shank interface high-speed center water outlet electric spindle which is compatible with BT and BBT shanks and has better rigidity so as to solve the problems of workpiece machining precision and serious cutter abrasion in the prior environment, which are proposed by the background art, and further reduce the machining cost of parts.
In order to achieve the purpose, the invention provides the following technical scheme: a BBT knife handle interface high-speed center water outlet electric spindle comprises a rotor mechanism, an end face dirt prevention mechanism, a knife clamping mechanism, a center water outlet mechanism, a cooling mechanism, an oil cylinder mechanism and an air sealing mechanism, wherein the end face dirt prevention mechanism is arranged at the bottom end of the outer side of the rotor mechanism, the knife clamping mechanism is arranged at the bottom end of the inner portion of the rotor mechanism, the center water outlet mechanism is arranged in the knife clamping mechanism, the cooling mechanism is arranged at the center position of the outer side of the rotor mechanism, the oil cylinder mechanism is arranged at the top end of the cooling mechanism, the air sealing mechanism is arranged in the oil cylinder mechanism, the cooling mechanism and the end face dirt prevention mechanism, the rotor mechanism comprises a rotor assembly, a front bearing, a rear bearing, a bearing spacer ring and an encoder gear disc, the coil assembly is arranged on the outer side of the center position of the rotor assembly, the front bearings are provided with two front bearings, and the, the bearing spacer ring is sleeved at a position between the two front bearings, the front bearing seat sleeve is arranged on the excircle of the front bearing, the number of the rear bearings is two, the two rear bearings are sleeved on the excircle of the top end of the rotor assembly, the rear bearing seat sleeve is arranged on the excircle of the rear bearing, the excircle of the rear bearing seat is sleeved with the rear bearing seat sleeve, the bearing nut is screwed on the rotor and sleeved at the top end of the rear bearing, the encoder gear disc is sleeved at the top end of the bearing nut, the top end of the encoder gear disc is provided with a fastening nut, the top end of the fastening nut is provided with a limit nut, the fastening nut and the limit nut are both in threaded connection with the rotor assembly, the end face dust-proof mechanism comprises a dust cover, a dust ring and a waterproof cover, the dust ring is arranged at the bottom end of the bearing pressing plate, and the dust ring is, the waterproof cover is arranged at the bottom end of the dustproof cover, the dustproof cover and the waterproof cover are both sleeved on the excircle of the rotor assembly, the cutter clamping mechanism comprises a pull rod, a disc, a pull rod connecting rod, a pull claw seat, a pull claw, a pull nail and a cutter handle, the pull rod is inserted at the top end inside the rotor assembly, the disc is sleeved on the outer ring of the corresponding position of the pull rod and the rotor assembly, a fixed block is arranged at the bottom end of the disc, the pull rod connecting rod is in threaded connection with the bottom end of the pull rod, the pull claw seat is in threaded connection with the bottom end of the pull rod, the pull claw is clamped at the bottom end of the pull claw seat, a pull claw seat fixing sleeve is sleeved on the end face of the pull claw seat close to the pull claw seat, the pull nail is clamped at the bottom end of the pull claw, the cutter handle is in threaded connection with the bottom end of the pull nail, the central water outlet mechanism comprises a, the rotary joint is sleeved on the top end of the connecting rod, the central water channel is respectively arranged in the rotary joint, the connecting rod, the pull rod connecting rod, the pull claw seat and the pull nail, the oil cylinder mechanism comprises a back cover, an oil cylinder cover, a piston, a cavity, an oil storage tank, an oil discharge tank, a gas seal joint, an oil discharge gas circuit, a cutter clamping joint and a cutter loosening joint, the back cover is arranged at the top end of a back bearing seat, the oil discharge gas circuit is arranged in the back cover, the oil cylinder cover is fixedly arranged at the central position of the top end of the back cover through screws, the cavity is arranged at the central position of the surface of the back cover, the piston is arranged in the cavity, the upper end and the lower end of the piston are sleeved on the rotary joint and the pull rod, the gas seal joint is arranged at the edge of the surface of the back cover, the oil discharge tank is arranged in the oil cylinder cover, the oil storage tank is arranged at, the cutter clamping joint and the cutter loosening joint are correspondingly inserted at the top end of the back cover respectively, the cooling mechanism comprises a steel cylinder, a water jacket, a cooling water path, a cooling inlet path and a cooling outlet path, the steel cylinder is correspondingly installed at the top end of the front bearing seat, the water jacket is inserted on the inner wall of the steel cylinder, the water jacket is correspondingly arranged relative to the coil assembly, the cooling water path is respectively arranged on the excircle of the water jacket and the excircle of the front bearing seat, the cooling inlet path and the cooling outlet path are respectively and correspondingly arranged inside the back cover, the front bearing seat and the steel cylinder, the cooling inlet path and the cooling outlet path are respectively connected with the cooling water path, the air sealing mechanism comprises an air sealing inlet, an air sealing air path, an air sealing cavity and an air sealing gap, the air sealing inlet is installed at the edge of the surface of the back cover, the air sealing air path is arranged inside the back cover, the steel cylinder, the front bearing seat and the bearing press plate, the air sealing gap is arranged on the side surface of the dust-, the gas seal inlet, the gas seal gas circuit correspond respectively with the gas seal clearance and are connected, signal joint, encoder joint and power connection are installed respectively to the top of back of the body lid, the curb plate mounting groove has been seted up on the outer wall of back of the body lid, eccentric sleeve mounting hole has been seted up to the inside of curb plate mounting groove, the internally mounted of eccentric sleeve mounting hole has sensor assembly, the back of the body lid curb plate is installed in the outside of eccentric sleeve mounting hole.
Preferably: the cooling water path 603 is spirally arranged on the outer circumferences of the water jacket 602 and the front bearing housing 104.
Preferably: the steel ball sleeve 15 is sleeved between the rear bearing seat 106 and the rear bearing seat sleeve, and the bottom end of the rear bearing seat 106 and the rear bearing seat sleeve form a main shaft pre-tightening structure through a pressure spring.
Preferably: the method is characterized in that: the corresponding surfaces of the cavity 504 and the piston 503 are both in a step structure, and an air inlet 5013 required by the return of the piston 503 is arranged on a second step 5012 of the cavity, and the second step 5012 is lower than the first step 5011.
Preferably: the inner end surface of the oil reservoir 505 is an inclined chamfer structure, and the end of the piston 503 is also an inclined chamfer structure.
Preferably: the second step on the end face of the pull claw seat 304 is of an outer hexagonal structure.
Preferably: the end face of the blind rivet 306 is provided with a blind rivet seat insertion groove, a sealing ring groove is formed in the blind rivet seat insertion groove, a sealing ring is installed in the sealing ring groove, and the middle of the sealing ring is of a hollow structure.
Preferably: the bearing spacer ring 107 comprises a bearing inner spacer ring and a bearing outer spacer ring, the bearing inner spacer ring is sleeved on the excircle of the rotor assembly 101, and the bearing outer spacer ring is sleeved on the excircle of the bearing inner spacer ring.
Preferably: gaps exist among the waterproof cover 203, the dustproof ring 201 and the dustproof cover 202 at the front end of the rotor assembly 101, and the dustproof ring 202 and the bearing pressing plate 108 are both of L-shaped structures.
Preferably: an air-seal air path 702 is formed in the back cover 501, the air-seal air path 702 is divided into two branches, one end of the air-seal air path is used for oil leakage and air blowing of a piston 503 in the oil cylinder mechanism, and the other branch is used for air sealing.
Compared with the prior BT shank spindle technology, the invention has the beneficial effects that:
1. this BBT handle of a knife interface high-speed center of terminal surface dustproof and dirty structure goes out device of water central play water on the electricity main shaft, rotary joint is connected to the rear end, the central water course has been seted up in the rotary joint, water passes through rotary joint, the connecting rod, the pull rod, the blind rivet, the handle of a knife, the cutter, and spray in workpiece surface, inside temperature when can effectively reducing the high-speed processing of cutter, the life and the machining precision of cutter are provided, the surface finish degree, reduce manufacturing cost, and directly pass inside the main shaft, the heat of rotor part when high-speed operation of main shaft can also effectually be reduced.
2. No matter the piston on this BBT handle of a knife interface high-speed center water outlet electricity main shaft of terminal surface dustproof and dirty structure moves back, parallelly connected all is normally open state with the gas circuit of the airtight of main shaft front end and oil extraction for the compressed air pressure of rear end equals with the pressure of front end gas ring subassembly atmoseal, makes the inside convection current that does not take place of main shaft, and the lubricating grease of the inside bearing of effective protection main shaft is not leaded to the lubrication inefficacy by the convection current air.
3. The BBT knife handle interface high-speed central water outlet spindle upper pulling claw seat with the end face dust-proof structure is fixedly provided with a through hole mechanism in the middle for central water path circulation, one end of the BBT knife handle interface high-speed central water outlet spindle upper pulling claw seat is a hollow thin cylindrical mechanism and penetrates into an inner hole of a pulling nail end face to form a sealing mechanism together with a sealing ring of a pulling nail inner hole, and the front end face of a thin cylindrical column extending into the pulling nail inner hole is provided with a small inclined angle, so that a knife handle pulling knife inner hole can reliably slide into the pulling claw seat thin cylindrical column when a knife is clamped, a second step of the end face is processed into an outer hexagonal mode, the hexagonal function of the hexagon is facilitated, meanwhile, the end face of the hexagon abuts against the pulling nail end face and is slightly larger than the pulling nail end face, the knife can be smoothly loosened by abutting against the pulling nail end face when the knife is loosened, but the function of the pulling claw cannot be influenced, meanwhile, a part is provided with, the rotary displacement of the pull claw is prevented, and the original dynamic balance of the main shaft is prevented from being influenced.
4. The dust cover on the BBT knife handle interface high-speed center water outlet electric spindle of the end face dust-proof structure is designed into an L-shaped structure, the dust cover and the bearing pressing plate form a labyrinth structure, meanwhile, the excircle of the dust cover is matched with the dust ring, the end face is connected with the waterproof cover, a gap is formed between the dust ring and the waterproof cover, the air-tight air flow is divided into two paths, one path enters the gap between the oil cylinder cover and the piston from the joint, the oil leakage generated by the work of the piston is discharged out of the spindle through the oil discharge channel, the other path passes through the back cover, the rear bearing seat, the steel cylinder and the front bearing seat and then enters the air-tight gap between the dust ring, the dust cover and the waterproof cover, the front end face of the spindle is blown, then the air flow is discharged out from the end face gap between the dust ring and the waterproof cover, the labyrinth gap design of the front end part can prevent the water from entering the interior of the spindle body through, the cleanness of the tool shank and the rotor assembly part at the front end of the main shaft is kept, and the service life and the precision of the main shaft are greatly improved.
5. This BBT handle of a knife interface high-speed center of terminal surface dust-proof structure goes out cooling device on water electric main shaft, the coolant liquid gets into from cooling water path joint, pass back of the body lid, back bearing seat cover and steel cylinder, then get into front bearing seat ring S type cooling water route, preferentially lower the temperature for front bearing seat subassembly, then through the steel cylinder, get into the loop type cooling water route of steel cylinder, lower the temperature for the inside heating element stator module of steel cylinder, flow by the export of the other end, pass the steel cylinder, back bearing seat subassembly, back of the body lid, and the cooling of back of the body lid is gone out the way and is connected to cooling system, preferentially lower the temperature for the main shaft front end like this, the front end is the direct contact end of handle of a knife, make the cooling more direct, it is effective.
6. The oil cylinder device of the BBT knife handle interface high-speed center water outlet electric spindle with the end face dust-proof structure is composed of an oil cylinder cover, a piston and a cavity which is formed by a back cover, and structurally, an independent oil cylinder cavity is not added, the cavity at the rear end of the back cover is directly used by the piston, the cavity of the back cover is divided into 2 parts by the piston, so that the functions of clamping and loosening the knife are realized, and meanwhile, oil ways of clamping and loosening the knife are also directly arranged in the back cover, so that the oil cylinder is compact in structure, and the processing of an oil cylinder body is reduced.
7. The pull rod of the BBT knife handle interface high-speed center water outlet spindle with the end face dust-proof structure is a multi-step mechanism, the end step is abutted to the end face of a piston, when a knife is loosened, the end face of the piston pushes the pull rod to move, the step end is provided with a sealing groove and is connected with the pull rod, water can be prevented from entering the rotor core, the step can serve as a supporting surface of a disc, the step is abutted to the disc, the other part of the step is provided with threads, the step is in threaded connection with a pull rod fixing block, the disc is fixed and prepressed according to actual disc, the disc and the pull rod are made to be integral, the pull rod is convenient to install and disassemble, the end part of the pull rod is of a threaded structure and is in threaded connection with a pull rod connecting rod, the center of the pull rod is a hollow.
8. This BBT handle of a knife interface high-speed center of terminal surface dust-proof structure goes out the mode that the second step processing of water electricity main shaft draw claw seat terminal surface is outer hexagonal, hexagonal effect is the installation and the dismantlement of convenient draw claw seat, hexagonal terminal surface offsets with the blind rivet terminal surface, and slightly be greater than the blind rivet terminal surface, can support the smooth pine sword of blind rivet terminal surface when ensureing to loosen the sword, but can not influence the function of drawing the claw, the part has the fixed cover of drawing the claw simultaneously, the fixed cover of drawing the claw is the stair structure, its boss position cooperatees with the recess of drawing the claw, prevent to draw the claw rotary displacement, influence the original dynamic balance of main shaft.
Drawings
FIG. 1 is a cross-sectional view of the spindle of the present invention;
FIG. 2 is a cross-sectional view of the spindle air seal of the present invention;
FIG. 3 is a top plan view of the spindle of the present invention;
FIG. 4 is a schematic view of the oil discharge path of the present invention;
FIG. 5 is a diagram illustrating the physical effects of the cylinder head of the present invention;
FIG. 6 is a perspective view of the piston of the present invention;
FIG. 7 is a detailed view of the back cover of the present invention;
FIG. 8 is a detailed view of the pull pawl seat of the present invention;
FIG. 9 is a detail view of the blind rivet of the present invention;
FIG. 10 is a detail view of the pull rod of the present invention;
FIG. 11 is an assembly view of the pull pawl assembly of the present invention;
FIG. 12 is an exploded view of the cylinder head and back cover of the present invention;
FIG. 13 is a schematic view of the spindle clamping and unclamping tool of the present invention;
FIG. 14 is a cross-sectional view of a front bearing of the present invention;
FIG. 15 is a diagram illustrating the physical effect of the cooling water circuit of the present invention.
In the figure: 101. the device comprises a rotor assembly, 102, a coil assembly, 103, a front bearing, 104, a front bearing seat, 105, a rear bearing, 106, a rear bearing seat, 107, a bearing spacer ring, 108, a bearing pressure plate, 109 and an encoder gear disc;
201. a dustproof ring 202, a dustproof cover 203 and a waterproof cover;
301. the pull rod comprises a pull rod body 302, a disc body 303, a pull rod connecting rod 304, a pull claw seat 305, a pull claw 306, a pull nail 307 and a knife handle;
401. connecting rod 402, rotary joint 403, central water channel;
501. a back cover 502, an oil cylinder cover 503, a piston 504, a cavity 505, an oil storage groove 506, an oil discharge groove 507, an oil discharge connector 508, an oil discharge gas path 509, a cutter clamping connector 5010, a cutter loosening connector 5011, a first step 5012, a second step 5013 and an air inlet;
601. a steel cylinder, 602, a water jacket, 603, a cooling water path, 604, a cooling inlet path, 605 and a cooling outlet path;
701. a gas seal inlet 702, a gas seal gas path 703, a gas seal cavity 704 and a gas seal gap;
8. signal connector, 9, encoder connector, 10, power connector, 11, curb plate mounting groove, 12, eccentric sleeve mounting hole, 13, sensor assembly, 14, back of the body lid curb plate, 15, steel ball cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-15, the present invention provides a technical solution: the utility model provides a BBT interface high-speed center play water electricity main shaft of terminal surface dirt prevention structure, including rotor mechanism, terminal surface dirt prevention mechanism, press from both sides sword mechanism, center play water mechanism, cooling body, hydro-cylinder mechanism and atmoseal mechanism, terminal surface dirt prevention mechanism installs the bottom in the rotor mechanism outside, press from both sides the bottom that sword mechanism installed in rotor mechanism inside, center play water mechanism sets up in the inside that presss from both sides sword mechanism, cooling body installs the central point department in the rotor mechanism outside, hydro-cylinder mechanism installs the top at cooling body, atmoseal mechanism sets up in hydro-cylinder mechanism, cooling body and terminal surface dirt prevention mechanism's inside.
The rotor mechanism comprises a rotor assembly 101, a front bearing 103, a front bearing seat 104, a rear bearing 105, a rear bearing seat 106, a bearing spacer ring 107 and an encoder gear disc 109, wherein the coil assembly 102 is sleeved outside the central position of the rotor assembly 101, the number of the front bearings 103 is two, the two front bearings 103 are sleeved on the excircle at the bottom end of the coil assembly 102, the bearing spacer ring 107 is sleeved between the two front bearings 103, the bearing spacer ring 107 comprises a bearing inner spacer ring and a bearing outer spacer ring, the bearing inner spacer ring is sleeved on the excircle of the rotor assembly 101, the bearing outer spacer ring is sleeved on the excircle of the bearing inner spacer ring, the rigidity of the bearing can be improved through the bearing inner spacer ring and the bearing outer spacer ring, so that the service life of the bearing is prolonged, the rigidity of the main shaft is correspondingly increased, the front bearing seat 104 is sleeved on the excircle of the front bearing 103, the number of the rear bearing 105 is two, and the two rear bearings 105, the rear bearing seat 106 is sleeved on the outer circle of the rear bearing 105, a rear bearing seat sleeve is sleeved on the outer circle of the rear bearing seat 106, a steel ball sleeve 15 is sleeved between the rear bearing seat 106 and the rear bearing seat sleeve, the bottom end of the rear bearing seat 106 and the rear bearing seat sleeve form a spindle pre-tightening structure through a pressure spring, the steel ball sleeve 15, the rear bearing seat 106 and the bearing seat sleeve are in gapless contact, the rear bearing seat 106 is enabled to move up and down flexibly, pre-pressure on the rear bearing 105 is lossless and uniform, the service life of the bearing can be effectively prolonged, the bearing pressure plate 108 is sleeved on the top end of the rear bearing 105, the encoder gear disc 109 is sleeved on the top end of the bearing nut 110, a fastening nut is arranged on the top end of the encoder gear disc 109, a limiting nut is arranged on the top end of the fastening nut, and.
The end face dust and dirt preventing mechanism comprises a dust cover 202, a dust ring 201 and a waterproof cover 203, the dust ring 201 is arranged at the bottom end of a bearing pressing plate 108, the dust ring 201 is sleeved outside the dust cover 202, the waterproof cover 203 is arranged at the bottom end of the dust cover 202, the dust cover 202 and the waterproof cover 203 are both sleeved on the excircle of a rotor assembly 101, the dust cover 202 and the bearing pressing plate 108 are both in an L-shaped structure, the dust cover 202 and the bearing pressing plate 108 form a labyrinth structure, meanwhile, the dust ring 201 is matched with the excircle of the dust cover 202, the waterproof cover 203 is connected to the end face, gaps are reserved among the dust cover 202, the waterproof cover 203 and the dust ring 201, air flow of an air seal is divided into two paths, one path of air flow enters the gap between an oil cylinder cover 502 and a piston 503 from a connector, oil leakage generated by working of the piston 503 is discharged out of a main shaft through an oil discharging channel, the other path of air, and then enters the air seal gap between the dustproof ring 201, the dustproof cover 202 and the waterproof cover 203, the front end face of the main shaft is blown, then airflow is discharged from the end face gap between the dustproof ring 201 and the waterproof cover 203, and the labyrinth gap design of the front end part can prevent water from entering the main shaft body through the front end, so that the cleanness of a tool shank and a rotor assembly part at the front end of the main shaft is kept, and the service life and the precision of the main shaft are greatly prolonged and improved.
The cutter clamping mechanism comprises a pull rod 301, a disc 302, a pull rod connecting rod 303, a pull claw seat 304, a pull claw 305, a pull nail 306 and a cutter handle 307, wherein the pull rod 301 is inserted at the top end inside the rotor assembly 101, the disc 302 is sleeved on an outer ring at the position, corresponding to the pull rod 301 and the rotor assembly 101, of the disc 302, a fixing sleeve is installed at the bottom end of the disc 302, the pull rod connecting rod 303 is in threaded connection with the bottom end of the pull rod 301, the pull claw seat 304 is in threaded connection with the bottom end of the pull rod connecting rod 303, a second step on the end surface of the pull claw seat 304 is in an outer hexagonal structure, the hexagonal function is convenient for installation and disassembly of the pull claw seat 304, the end surface of a hexagon abuts against the end surface of the pull nail 306 and is slightly larger than the end surface of the pull nail 306, smooth cutter loosening can be ensured to abut against the end surface of the pull nail 306 without influencing the function of the pull claw 305, meanwhile, a pull claw seat fixing sleeve is sleeved on the end face of the pull claw seat 304 close to the pull claw seat 304, a pull nail 306 is clamped at the bottom end of the pull claw 305, and a cutter handle 307 is in threaded connection with the bottom end of the pull nail 306.
The central water outlet mechanism comprises a connecting rod 401, a rotary joint 402 and a central water channel 403, the connecting rod 401 is inserted on the top end of a pull rod 301, the rotary joint 402 is sleeved on the top end of the connecting rod 401, the central water channel 403 is respectively arranged on the rotary joint 402, the connecting rod 401, the pull rod 301, the pull rod connecting rod 303, the interior of a pull claw seat 304 and a pull nail 306, water can pass through the rotary joint 402, the connecting rod 401, the pull rod 301, the pull nail 306 and the central water channel 403 in a cutter handle 307 and a cutter and is discharged outside the body, the internal temperature of the cutter during high-speed processing can be effectively lowered, the service life of the cutter and the processing precision are prolonged, the cutter directly penetrates through the interior of a spindle, the processing structure is simple, and the heat of a rotor part.
The oil cylinder mechanism comprises a back cover 501, an oil cylinder cover 502, a piston 503, a cavity 504, an oil storage tank 505, an oil discharge tank 506, an air seal joint 507, an oil discharge gas path 508, a cutter clamping joint 509 and a cutter loosening joint 5010, wherein the back cover 501 is arranged at the top end of a back bearing seat 106, the oil discharge gas path 508 is arranged in the back cover 501, the oil cylinder cover 502 is fixedly arranged at the central position of the top end of the back cover 501 through screws, the cavity 504 is arranged at the central position of the surface of the back cover 501, the piston 503 is arranged in the cavity 504, the upper end and the lower end of the piston 503 are both sleeved on a rotary joint 402 and a pull rod 301, the corresponding surfaces of the cavity 504 and the piston 503 are of a step structure, the end surface of the cavity 504 in the back cover 501, which is provided with two step surfaces, the inward inner end surface is higher than the outer end surface, a return air inlet hole required by the cavity 504 is arranged on the outer end surface, when the piston, the air seal joint is arranged at the edge of the surface of the back cover 501, the oil discharge groove 506 is arranged in the oil cylinder cover 502, the oil storage groove 505 is arranged at the position, close to the surface of the oil cylinder cover 502, of the oil discharge groove 506, the inner end face of the oil storage groove 505 is of an inclined chamfer structure, oil seepage at the end of the piston 503 can enter the oil discharge groove 506 smoothly, oil in the oil storage groove 505 can be prevented from flowing back to a gap between the piston 503 and the oil cylinder cover 502, the end of the piston 503 is also of an inclined chamfer structure, therefore, when the cutter is loosened, the small oil storage groove 505 is reserved with the inner hole of the oil cylinder cover 502 and can be used for storing oil, meanwhile, when the cutter is pushed out, the oil can be prevented from flowing back into the main shaft body of the cutter, the guide angle is formed, the piston 503 is relatively more convenient to install due to the fact that the guide angle is formed in the installation process.
The cooling mechanism comprises a steel cylinder 601, a water jacket 602, a cooling water channel 603, a cooling inlet channel 604 and a cooling outlet channel 605, the steel cylinder 601 is correspondingly installed at the top end of the front bearing seat 104, the water jacket 602 is inserted on the inner wall of the steel cylinder 601, the water jacket 602 is correspondingly arranged relative to the coil assembly 102, the cooling water channel 603 is respectively arranged on the outer circles of the water jacket 602 and the front bearing seat 104, the cooling water channel 603 is spirally arranged on the outer circles of the water jacket 602 and the front bearing seat 104, the cooling water channel 603 is of an S-shaped structure, a cooling water channel joint of the back cover 501 allows water to enter, pass through the back cover 501, the rear bearing seat 106 and the steel cylinder 601, then enter the S-shaped cooling water channel of the front bearing seat 104, preferentially cool the front bearing seat 104, then enter a spiral annular cooling water channel of the steel cylinder 601 through the steel cylinder 601, cool a heating stator assembly inside the steel cylinder 601, and flow out, the cooling outlet 605 which penetrates through the steel cylinder 601, the rear bearing seat 106, the back cover 501 and the back cover 501 is connected to a cooling system, so that the front section of the spindle is preferentially cooled, the front section is a direct contact end of the tool shank 307, the cooling is more direct and effective, the requirement of providing the precision and the service life of the spindle is met, the back cover 501, the front bearing seat 104 and the steel cylinder 601 are correspondingly provided with a cooling inlet 604 and a cooling outlet 605 inside respectively, and the cooling inlet 604 and the cooling outlet 605 are respectively connected with a cooling water path 603.
The air seal mechanism comprises an air seal inlet 701, an air seal air path 702, an air seal cavity 703 and an air seal gap 704, wherein the air seal inlet 701 is arranged at the edge of the surface of the back cover 501, the air seal air path 702 is arranged inside the back cover 501, the rear bearing seat 106, the steel cylinder 601, the front bearing seat 104 and the bearing press plate 108, the air seal gap 704 is arranged on the side surfaces of the dustproof cover 202 and the waterproof cover 203 corresponding to the dustproof ring 201 respectively, the air seal inlet 701 and the air seal air path 702 are correspondingly connected with the air seal gap 704 respectively, air enters from the air seal inlet 701 of the back cover 501, passes through the back cover 501, the rear bearing seat 106, the steel cylinder 601 and the front bearing seat 104, then enters the air seal gap 704, blows air to the front end of the spindle mechanism, blows away water and dust generated during the operation of the spindle body, then is discharged out of the spindle body through the gap between the waterproof cover and the dustproof ring, and meanwhile, water can be prevented from, keep the cleanness of main shaft anterior segment handle of a knife and rotor part, provide main shaft life-span and precision, and water can be through rotary joint 402, connecting rod 401, pull rod 301, blind rivet 306, central water course 403 and cutter in the handle of a knife 307, and the exclusion is external, can effectual lower cutter internal temperature when processing at a high speed, provide the life of cutter and the precision of processing, and directly pass inside the main shaft, can also effectual reduction main shaft rotor part's heat when high-speed operation.
Signal joint 8, encoder joint 9 and power connection 10 are installed respectively to the top of back of the body lid 501, have seted up curb plate mounting groove 11 on the outer wall of back of the body lid 501, and eccentric sleeve mounting hole 12 has been seted up to the inside of curb plate mounting groove 11, and the internally mounted of eccentric sleeve mounting hole 12 has sensor assembly 13, and back of the body lid curb plate 14 is installed in the outside of eccentric sleeve mounting hole 12.
The working principle is as follows: when the invention is used, hydraulic oil passes through a loop in the oil cylinder cover 502 through the cutter loosening joint 5010 and enters a cavity 504 at the bottom end of the oil cylinder cover 502, the piston 402 moves forwards under the action of the hydraulic oil, one end of the piston 402 is connected with the pull rod 301 to push the pull rod 301 to move, under the action of the pull claw 305 and the pull claw seat 304, the knife handle 307 is loosened, conversely, the hydraulic oil passes through loops in the oil cylinder cover 502 and the back cover 501 through the cutter clamping joint 509, the hydraulic oil enters the other cavity 504 of the piston 402 to push the piston 402 to move backwards, so that the piston 402 leaves the pull rod 301, the pull rod 301 moves backwards under the resilience of the disc 302 assembly, the knife handle 301 is pulled backwards, the dust cover 202 and the bearing pressing plate 108 are both in an L-shaped structure, the dust cover 202 and the bearing pressing plate 108 form a labyrinth structure, meanwhile, the outer circle of the dust cover 202 is matched with the dust ring 201, and the end face is connected with, gaps are reserved among the dustproof cover 202, the waterproof cover 203 and the dustproof ring 201, air flow of an air seal is divided into two paths, one path of air flow enters a gap between the oil cylinder cover 502 and the piston 503 from a connector, oil leakage generated by working of the piston 503 is caused, the oil is discharged out of a spindle through an oil discharge channel, the other path of air flow passes through the back cover 501, the rear bearing seat, the steel cylinder 601 and the front bearing seat 104 and then enters an air seal gap among the dustproof ring 201, the dustproof cover 202 and the waterproof cover 203 to blow air on the front end face of the spindle, then the air flow is discharged from a gap between the dustproof ring 201 and the end face of the waterproof cover 203, a labyrinth type gap design of a front end part can prevent water from entering the interior of a spindle body through the front end and keep the cleanness of the front end of the spindle and a rotor assembly part, service life and precision of the spindle are greatly improved, and the water can pass through a central water channel and a cutter in the rotary connector 402, the cooling water path 603 is a spiral structure, the cooling water path joint of the back cover 501 allows water to enter, pass through the back cover 501, the rear bearing seat sleeve 106 and the steel cylinder 601, then enter the S-shaped cooling water path of the front bearing seat 104, preferentially cool the front bearing seat 104, then enter the spiral cooling water path of the steel cylinder 601 through the steel cylinder 601, cool a heating part stator assembly in the steel cylinder 601, flow out from an outlet at the other end, pass through the steel cylinder 601, the rear bearing seat 106, the back cover 501 and a cooling outlet path 605 of the back cover 501 to be discharged outside, preferentially cool the front end of the main shaft, the front end of the main shaft is directly contacted with the contact end 307, the cooling is more direct and effective, so that the requirements of providing the precision and the service life of the main shaft are met, and the whole working process is finished. Those not described in detail in this specification are within the skill of the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a BBT handle of a knife interface high-speed center goes out water electricity main shaft, includes rotor mechanism, terminal surface dirt prevention mechanism, presss from both sides sword mechanism, central play water mechanism, cooling body, hydro-cylinder mechanism and atmoseal mechanism, its characterized in that: the end face dust and dirt preventing mechanism is arranged at the bottom end of the outer side of the rotor mechanism, the cutter clamping mechanism is arranged at the bottom end of the inner part of the rotor mechanism, the central water outlet mechanism is arranged in the cutter clamping mechanism, the cooling mechanism is arranged at the central position of the outer side of the rotor mechanism, the oil cylinder mechanism is arranged at the top end of the cooling mechanism, the air sealing mechanism is arranged in the oil cylinder mechanism, the cooling mechanism and the end face dust and dirt preventing mechanism,
the rotor mechanism comprises a rotor assembly (101), a coil assembly (102), a front bearing (103), a front bearing seat (104), a rear bearing (105), a rear bearing seat (106), a bearing spacer ring (107), a bearing pressing plate (108), an encoder gear disc (109) and a bearing nut (110), wherein the coil assembly (102) is sleeved on the outer side of the central position of the rotor assembly (101), the front bearing (103) is provided with two front bearings (103), the two front bearings (103) are sleeved on the outer circle of the bottom end of the coil assembly (102), the bearing spacer ring (107) is sleeved on the position between the two front bearings (103), the front bearing seat (104) is sleeved on the outer circle of the front bearing (103), the rear bearing (105) is provided with two rear bearings (105), the two rear bearings (105) are sleeved on the outer circle of the top end of the rotor assembly (101), the rear bearing seat (106) is sleeved on the outer circle of the rear bearing (105), a rear bearing seat sleeve is sleeved on the excircle of the rear bearing seat (106), the bearing nut (110) is sleeved at the top end of the rear bearing (105), the encoder gear disc (109) is sleeved at the top end of the bearing nut (110), a fastening nut (111) is arranged at the top end of the encoder gear disc (109), a limit nut (112) is arranged at the top end of the fastening nut (111), and the fastening nut (111) and the limit nut (112) are both in threaded connection with the rotor assembly (101);
the end face dust and dirt preventing mechanism comprises a dust cover (202), a dust ring (201) and a waterproof cover (203), wherein the dust ring (201) is arranged at the bottom end of the bearing pressing plate (108), the dust ring (201) is sleeved on the outer side of the dust cover (202), the waterproof cover (203) is arranged at the bottom end of the dust cover (202), the dust cover (202) and the waterproof cover (203) are sleeved on the outer circle of the rotor assembly (101), and a gap exists between the dust cover (202) and the waterproof cover (203);
the cutter clamping mechanism comprises a pull rod (301), a disc (302), a pull rod connecting rod (303), a pull claw seat (304), a pull claw (305), a pull nail (306) and a cutter handle (307), the pull rod (301) is inserted into the top end inside the rotor assembly (101), the disc (302) is sleeved on an outer ring of the pull rod (301) and the rotor assembly (101) at the corresponding position, a fixing block is installed at the bottom end of the disc (302), the pull rod connecting rod (303) is in threaded connection with the bottom end of the pull rod (301), the pull claw seat (304) is in threaded connection with the bottom end of the pull rod connecting rod (303), the pull claw (305) is clamped at the bottom end of the pull claw seat (304), and a pull claw seat fixing sleeve is sleeved on the end face, close to the pull claw seat (304), of the pull claw seat (304),
the oil cylinder mechanism comprises a back cover (501), an oil cylinder cover (502), a piston (503), a cavity (504), an oil storage tank (505), an oil discharge tank (506), an air seal joint (507), an oil discharge air circuit (508), a knife clamping joint (509) and a knife loosening joint (5010), wherein the back cover (501) is installed at the top end of a rear bearing seat (106), the oil discharge air circuit (508) is arranged in the back cover (501), the oil cylinder cover (502) is fixedly installed at the central position of the top end of the back cover (501) through screws, the cavity (504) is arranged at the central position of the surface of the back cover (501), the piston (503) is installed in the cavity (504), the upper end and the lower end of the piston (503) are both sleeved on a rotary joint (402) and a pull rod (301), the air seal joint is installed at the edge of the surface of the back cover (501), the oil discharge tank (506) is arranged in the oil cylinder cover (502), the oil storage tank (505) is arranged at the position, close to the surface of the oil cylinder cover (502), of the oil discharge tank (506), and the cutter clamping joint (509) and the cutter releasing joint are correspondingly inserted at the top end of the back cover (501) respectively;
the cooling mechanism comprises a steel cylinder (601), a water jacket (602), a cooling water channel (603), a cooling inlet channel (604) and a cooling outlet channel (605), the steel cylinder (601) is correspondingly mounted at the top end of the front bearing seat (104), the water jacket (602) is inserted into the inner wall of the steel cylinder (601), the water jacket (602) is correspondingly arranged relative to the coil assembly (102), the cooling water channel (603) is respectively arranged on the outer circles of the water jacket (602) and the front bearing seat (104), the back cover (501), the front bearing seat (104) and the steel cylinder (601) are respectively and correspondingly provided with a cooling inlet channel (604) and a cooling outlet channel (605), and the cooling inlet channel (604) and the cooling outlet channel (605) are respectively connected with the cooling water channel (603);
signal joint (8), encoder joint (9) and power connection (10) are installed respectively to the top of back of the body lid (501), curb plate mounting groove (11) have been seted up on the outer wall of back of the body lid (501), eccentric sleeve mounting hole (12) have been seted up to the inside of curb plate mounting groove (11), the internally mounted of eccentric sleeve mounting hole (12) has sensor assembly (13), back of the body lid curb plate (14) are installed in the outside of eccentric sleeve mounting hole (12).
2. The BBT knife handle interface high-speed center water outlet electric spindle of claim 1, characterized in that: the cooling water channels (603) are spirally arranged on the outer circles of the water jacket (602) and the front bearing seat (104).
3. The BBT knife handle interface high-speed center water outlet electric spindle of claim 1, characterized in that: a steel ball sleeve (15) is sleeved between the rear bearing seat (106) and the rear bearing seat sleeve, and the bottom end of the rear bearing seat (106) and the rear bearing seat sleeve form a main shaft pre-tightening structure through a pressure spring.
4. The BBT knife handle interface high-speed center water outlet electric spindle of claim 1, characterized in that: the bottom surface of the cavity (504) and the corresponding surface of the piston (503) are both in a step structure, an air inlet (5013) required by the piston to return is arranged on a second step (5012) of the cavity, and the second step (5012) is lower than the first step (5011).
5. The BBT knife handle interface high-speed center water outlet electric spindle of claim 1, characterized in that: the inner end face of the oil storage groove (505) is of an inclined chamfer structure, and the end part of the piston (503) is also of an inclined chamfer structure.
6. The BBT knife handle interface high-speed center water outlet electric spindle of claim 1, characterized in that: the second step on the end face of the pull claw seat (304) is of an outer hexagonal structure.
7. The BBT knife handle interface high-speed center water outlet electric spindle of claim 1, characterized in that: the end face of the blind rivet (306) is provided with a pull claw seat insertion groove, a seal ring groove is formed in the pull claw seat insertion groove, a seal ring is installed in the seal ring groove, and the middle of the seal ring is of a hollow structure.
8. The BBT knife handle interface high-speed center water outlet electric spindle of claim 1, characterized in that: the bearing spacer ring (107) comprises a bearing inner spacer ring and a bearing outer spacer ring, the bearing inner spacer ring is sleeved on the excircle of the rotor assembly (101), and the bearing outer spacer ring is sleeved on the excircle of the bearing inner spacer ring.
9. The BBT knife handle interface high-speed center water outlet electric spindle of claim 1, characterized in that: gaps exist among the waterproof cover (203), the dustproof ring (201) and the dustproof cover (202) at the front end of the rotor assembly 101, and the dustproof ring (201) and the bearing pressing plate (108) are both of L-shaped structures.
10. The BBT knife handle interface high-speed center water outlet electric spindle of claim 1, characterized in that: an air-seal air path (702) is formed in the back cover (501), the air-seal air path (702) is divided into two branches, one end of the air-seal air path is used for oil leakage and air blowing of a piston (503) in the oil cylinder mechanism, and the other branch is used for air sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920798493.6U CN210937148U (en) | 2019-05-30 | 2019-05-30 | BBT handle of a knife interface high-speed center play water electric main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920798493.6U CN210937148U (en) | 2019-05-30 | 2019-05-30 | BBT handle of a knife interface high-speed center play water electric main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210937148U true CN210937148U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920798493.6U Withdrawn - After Issue CN210937148U (en) | 2019-05-30 | 2019-05-30 | BBT handle of a knife interface high-speed center play water electric main shaft |
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| Country | Link |
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| CN (1) | CN210937148U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170666A (en) * | 2019-05-30 | 2019-08-27 | 深圳市爱贝科精密机械有限公司 | A kind of BBT knife handle interface high-speed central water outlet electro spindle |
| CN112809436A (en) * | 2021-01-22 | 2021-05-18 | 东莞市巨冈机械工业有限公司 | Horizontal main shaft unclamping structure |
| CN113118834A (en) * | 2021-03-25 | 2021-07-16 | 广州市昊志机电股份有限公司 | Machine tool spindle tool changing mechanism and machine tool |
| CN114433923A (en) * | 2022-03-10 | 2022-05-06 | 纽威数控装备(苏州)股份有限公司 | Full-automatic right angle milling head of central play water of disconnect-type rotary joint |
-
2019
- 2019-05-30 CN CN201920798493.6U patent/CN210937148U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170666A (en) * | 2019-05-30 | 2019-08-27 | 深圳市爱贝科精密机械有限公司 | A kind of BBT knife handle interface high-speed central water outlet electro spindle |
| CN110170666B (en) * | 2019-05-30 | 2024-06-04 | 深圳市爱贝科精密工业股份有限公司 | BBT knife handle interface high-speed center water outlet electric spindle |
| CN112809436A (en) * | 2021-01-22 | 2021-05-18 | 东莞市巨冈机械工业有限公司 | Horizontal main shaft unclamping structure |
| CN113118834A (en) * | 2021-03-25 | 2021-07-16 | 广州市昊志机电股份有限公司 | Machine tool spindle tool changing mechanism and machine tool |
| CN114433923A (en) * | 2022-03-10 | 2022-05-06 | 纽威数控装备(苏州)股份有限公司 | Full-automatic right angle milling head of central play water of disconnect-type rotary joint |
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Address after: 518111 1st and 2nd floors, building A6, silicon valley power intelligent terminal Industrial Park, No.20, Dafu Industrial Zone, Aobei community, Guanlan street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen aibeike Precision Industry Co.,Ltd. Address before: 518110 1st and 2nd floors, building A6, silicon valley power intelligent terminal Industrial Park, No. 20, Dafu Industrial Zone, Aobei community, Guanlan street, Longhua District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN ABIG PRECISION MACHINERY Co.,Ltd. |
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Granted publication date: 20200707 Effective date of abandoning: 20240604 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200707 Effective date of abandoning: 20240604 |