CN112355816B - Novel five-axis linkage grinding center - Google Patents
Novel five-axis linkage grinding center Download PDFInfo
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- CN112355816B CN112355816B CN202011348286.4A CN202011348286A CN112355816B CN 112355816 B CN112355816 B CN 112355816B CN 202011348286 A CN202011348286 A CN 202011348286A CN 112355816 B CN112355816 B CN 112355816B
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- grinding
- tool magazine
- driving device
- shaft
- grinding wheel
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- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims description 26
- 210000004907 gland Anatomy 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 9
- 210000000078 claw Anatomy 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 229910003460 diamond Inorganic materials 0.000 claims description 6
- 239000010432 diamond Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 5
- 239000000110 cooling liquid Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims 1
- 239000004576 sand Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000003754 machining Methods 0.000 description 5
- 241000357216 Oplegnathus woodwardi Species 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000001816 cooling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/14—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding turbine blades, propeller blades or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B45/00—Means for securing grinding wheels on rotary arbors
- B24B45/003—Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B51/00—Arrangements for automatic control of a series of individual steps in grinding a workpiece
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/04—Protective covers for the grinding wheel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention discloses a novel five-axis linkage grinding center which comprises a machine base, an upright post, a grinding device, a tool changing device, a tool magazine fixing plate and an X-axis driving device, wherein the machine base comprises a front machine base and a rear machine base, a workbench is arranged on the front machine base, the X-axis driving device drives the workbench to linearly move along the X direction, the tool magazine fixing plate is provided with a tool magazine, the tool magazine fixing plate is slidably arranged on a tool magazine support, the tool magazine support is provided with a first driving device capable of driving the tool magazine fixing plate to linearly slide, the upright post is arranged on the rear machine base, the upright post is provided with a mounting seat and a Y-axis driving device capable of driving the mounting seat to move along the Y direction, a grinding head is arranged on the mounting seat, a short cone main shaft and a second driving device are cooperatively arranged on the grinding head, the front end of the short cone main shaft is connected with the grinding device and the tool changing device, a nozzle mechanism is arranged on the grinding device, and a Z-axis driving device is arranged on the rear machine base. The invention has the advantages of movable tool magazine, improved blade grinding efficiency and the like.
Description
[ Field of technology ]
The invention belongs to the technical field of grinding centers, and particularly relates to a novel five-axis linkage grinding center.
[ Background Art ]
The grinding center is a multifunctional compound machine tool and generally comprises a grinding device, a cooling device, a machine tool, a tool magazine and the like, and the grinding processing of the parts of the outer circle, the inner circle, the end face, the conical surface, the non-circle, the curved surface and the like of a workpiece can be completed by one-time clamping. The grinding center has the characteristics of high machining precision, high machining efficiency and high machining flexibility, and is suitable for the precision machining field of the industries of military industry, aviation, cutters, measuring tools, machine tools, automobiles and the like. The grinding center is an important device for grinding engine blades.
The existing grinding center has the problems that the grinding space is small, the blade machining efficiency is high, the five-axis linkage control effect is poor and the like due to the fact that a tool magazine is fixed and not movable.
[ Invention ]
The invention aims to solve the problems in the prior art, and provides a novel five-axis linkage grinding center which can enable a tool magazine to be movable, improve the efficiency of grinding blades and has a good five-axis linkage control effect.
In order to achieve the above-mentioned object, the present invention provides a novel five-axis linkage grinding center, which comprises a machine base, a stand column, a grinding device, a tool changer, a tool magazine fixing plate, an X-axis driving device, a Y-axis driving device and a Z-axis driving device, wherein the machine base comprises a front machine base and a rear machine base, a workbench and the X-axis driving device are installed on the front machine base, the X-axis driving device is connected with the workbench and drives the workbench to linearly move along the X-direction, a turntable is installed on the workbench, the tool magazine fixing plate is provided with the tool magazine, the tool magazine driving device and the tool changer, the bottom of the tool magazine fixing plate is slidably installed on a tool magazine support, the side surface of the tool magazine support is connected with one side of the rear machine base, a first driving device which is connected with the tool magazine fixing plate and drives the tool magazine fixing plate to linearly slide is installed on the rear machine base, the stand column is provided with the Y-axis driving device and a mounting seat, the Y-axis driving device is connected with the mounting seat and drives the mounting seat to linearly move along the Y-direction, a grinding head is installed on the mounting seat, a spindle is provided with a grinding head in the spindle and a short cone and a second cone is connected with a spindle and a short cone arm is connected with the Z-axis driving device in the Z-direction, the spindle is connected with the spindle and the Z-axis driving device is slidably connected with the front spindle driving device in the Z-direction.
Preferably, the grinding device comprises a grinding wheel, a grinding wheel cover for shielding the grinding wheel, a grinding wheel cover plate connected with one side of the top of the grinding wheel in a rotating way, a lifting control module and a left control module, wherein the grinding wheel is matched and installed on a short cone spindle, the lifting control module and the left control module both comprise a supporting plate, a driving motor installed on the supporting plate, a screw rod sliding block transmission mechanism, and a synchronous belt transmission mechanism connected between the driving motor and the screw rod sliding block transmission mechanism.
Preferably, the connecting rod transmission mechanism comprises a first connecting rod, a second connecting rod and a rotating rod rotationally connected with the first connecting rod and the second connecting rod, the first connecting rod is connected with the connecting plate, the second connecting rod is connected with the cover plate of the grinding wheel cover, and the overturning opening and closing of the cover plate of the grinding wheel cover is controlled through the transmission function of the connecting rod.
Preferably, the nozzle mechanism comprises a nozzle mounting seat, a nozzle connected with the inner cavity of the nozzle mounting seat, a water pipe and an adjusting block, wherein the adjusting block is connected with the nozzle mounting seat in a threaded mode and controls the flow of the nozzle, a screw rod sliding block transmission mechanism on the lifting control module is connected with the water pipe through a pressing block, the flow of the nozzle is conveniently adjusted, and the nozzle mechanism can synchronously move with the lifting control module, so that the position adjustment in the horizontal direction and the vertical direction of the position of the nozzle is realized.
Preferably, the first driving device comprises a first driving motor, a first screw rod, and a nut seat connected with the first screw rod in a matched manner, the nut seat is connected with the bottom of the tool magazine fixing plate, the tool magazine support is provided with a motor seat and a screw rod seat, two ends of the first screw rod are respectively connected with the motor seat and the screw rod seat through bearing seats, a rolling bearing is connected between the first screw rod and the bearing seat and is tightly pressed by a locking nut and a bearing cover, and the first driving motor is arranged on the motor seat and is connected with the first screw rod through a coupler, so that the tool magazine fixing plate can be conveniently controlled to stably move forwards and backwards.
Preferably, the short cone main shaft comprises an inner cone main shaft, an automatic balancing device, a main shaft clamping device and a grinding wheel fastening device, wherein the inner cone main shaft comprises a shaft shell and a shaft core arranged in the shaft shell, the front end of the shaft core is provided with an inner conical surface, a connecting rod and a sliding block are arranged in the shaft core, at least one group of spring washers are sleeved outside the connecting rod, the rear end of the connecting rod is connected with the sliding block, the grinding wheel fastening device comprises a cutter handle, the outer edge of the rear end of the cutter handle is provided with an outer conical surface which is matched with the inner conical surface of the shaft core, the end surface of the cutter handle, the outer conical surface and the shaft core are mutually attached, and the cutter-pulling claw is connected with the front end of the connecting rod to complete the coaxiality installation among the grinding wheel fastening device, the shaft core and the connecting rod, the automatic balancing device is arranged at the outer edge of the front end of the shaft core, the main shaft clamping device comprises a hydraulic cylinder and a loose cutter sleeve, a piston on the hydraulic cylinder is connected with the loose cutter sleeve, the loose cutter sleeve is sleeved at the outer edge of the rear end of the shaft core and is connected with the sliding block, the hydraulic cylinder is connected with the shaft shell through a fastening piece, the rear end of the piston is connected with the short shaft, the end face and the inner conical surface of the shaft core are simultaneously contacted with the cutter handle, the coaxiality between the grinding wheel, the shaft core and the connecting rod is arranged, the cutter handle is further fixed by the tension cutter claw of the hydraulic cylinder and the spring washer, the integral structural rigidity and the connecting strength of the main shaft are improved, and the overall size of the main shaft can be effectively reduced; the automatic balancing device is arranged at the outer edge of the front end of the shaft core, so that the grinding efficiency is effectively improved, an operator does not need to detach a dynamic balancing instrument when disassembling and replacing the grinding wheel, and the main shaft fault is reduced.
Preferably, the rear end of the tool handle is provided with a broach claw mounting opening, the front end of the broach claw is fixedly arranged in the broach claw mounting opening, the automatic balancing device comprises a ring-type dynamic balancing instrument, a dynamic balancing instrument sensor and a compression sealing assembly, the ring-type dynamic balancing instrument is sleeved on the outer edge of the shaft core, the dynamic balancing sensor is arranged on the outer side of the ring-type dynamic balancing instrument, the compression sealing assembly comprises a front waterproof cover, a protective cover and a shaft housing gland, the front waterproof cover is fastened with the protective cover and then abuts against the front end of the ring-type dynamic balancing instrument and the dynamic balancing instrument sensor and is fixed by a fastener, the front waterproof cover is connected with the outer edge of the front end of the shaft core, the shaft housing gland is arranged between the dynamic balancing instrument sensor and the shaft housing, a dustproof ring is arranged between the shaft housing gland and the shaft core, the dustproof ring can be fastened with the bearing gland, the tool handle can be firmly connected with the broach claw, the installation of the grinding wheel is firm, the conical surface between the tool handle and the shaft core are mutually attached, and the sealing dustproof effect of the inner cone main shaft is improved.
Preferably, the taper of the inner conical surface of the shaft core is 1:10, so that the shaft core and the tool handle are effectively attached, the inner conical main shaft can bear very strong radial force without deformation, high-precision coaxiality installation between the inner conical main shaft and the grinding wheel is facilitated, and the gas circuit is arranged on the shaft core, so that the airtight performance effect of the inner conical main shaft is better, and the sealing is more uniform.
Preferably, six angular contact ball bearings are arranged between the shaft core and the shaft housing and distributed on the outer edge of the shaft core according to the front four, two spacer rings are arranged between every two angular contact ball bearings at the front and two angular contact ball bearings at the rear, the spacer rings at the rear and the two angular contact ball bearings are tightly pressed by a lock nut at the outer side of the shaft core, a front four-back two-structure is adopted, the front four angular contact ball bearings can bear grinding loads of grinding wheels, and the two angular contact ball bearings can play roles of positioning and auxiliary supporting.
Preferably, the workbench is provided with a diamond roller trimmer, so that the grinding wheel can be effectively trimmed.
The invention has the beneficial effects that: the invention has the advantages of good five-axis linkage control effect of the machine tool, high blade grinding efficiency, movable tool magazine, good grinding protection of the grinding wheel and large grinding space.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
[ Description of the drawings ]
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the installation of a stub shaft spindle and grinding wheel in accordance with an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along the A-A plane in FIG. 2 in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view of a grinding apparatus according to an embodiment of the invention;
FIG. 5 is a schematic view of a grinding apparatus according to an embodiment of the invention;
FIG. 6 is a side view of a grinding apparatus of an embodiment of the invention;
fig. 7 is a front view of a grinding apparatus of an embodiment of the invention;
FIG. 8 is a top view of a grinding apparatus according to an embodiment of the invention;
FIG. 9 is a partial schematic view of an embodiment of the present invention;
FIG. 10 is a partial schematic view of an embodiment of the present invention;
FIG. 11 is a cross-sectional view taken along the A-A plane in FIG. 10 in accordance with an embodiment of the present invention;
fig. 12 is a partial top view of an embodiment of the present invention.
In the figure: the grinding wheel comprises a 1-front machine seat, a 2-rear machine seat, a 3-tool magazine fixing plate, a 4-upright post, a 5-grinding head, a 6-short cone main shaft, a 7-tool changing arm, an 8-grinding device, a 9-tool handle, a 10-diamond roller trimmer, an 11-X shaft driving motor, a 12-X shaft coupler, a 13-X shaft screw, a 14-X shaft guide rail, a 15-workbench, a 16-turntable, a 21-Z shaft guide rail, a 30-nut seat, a 31-tool magazine, a 32-tool magazine support, a 33-first driving device, a 34-sliding block, a 35-sliding rail, a 36-first screw, a 37-screw seat, a 38-bearing seat, a 39-motor seat, a 41-Y shaft driving motor, a 42-, 43-Y shaft screw, a 44-Y shaft guide rail, a 45-Z shaft screw, a 60-connecting rod, a 61-shaft core, a 62-shaft housing, a 63-spring washer, a 64-hydraulic cylinder, a 65-loose tool sleeve, a 66-piston, a 67-sliding block, a 68-dynamic balance instrument sensor, a 69-ring-type dynamic balance instrument, a 71-first screw, a 71-supporting plate, a 80-supporting plate, a 82-die set, a left-rotating wheel cover, a 82-wheel cover plate, a grinding wheel control mechanism, a 81-87, a grinding wheel cover plate, a 81-81, a grinding wheel control mechanism, a 81-84-wheel cover plate, a control mechanism, a 81-84-and a cover plate.
[ Detailed description ] of the invention
Referring to fig. 1 to 12, the present embodiment provides a novel five-axis linkage grinding center, which comprises a frame, a column 4, a grinding device 8, a tool changing device, a tool magazine fixing plate 3, an X-axis driving device, a Y-axis driving device, and a Z-axis driving device, wherein the frame comprises a front frame 1 and a rear frame 2, a workbench 15 and an X-axis driving device are mounted on the front frame 1, the X-axis driving device is connected with the workbench 15 and drives the workbench 15 to linearly move along the X-direction, a turntable 16 is mounted on the workbench 15, a tool magazine 31, a tool magazine driving device 36 and a tool changing device are mounted on the tool magazine fixing plate 3, the bottom of the tool magazine fixing plate 3 is slidably mounted on a tool magazine bracket 32, the side surface of the tool magazine bracket 32 is fixedly connected with the left side of the rear frame 2, a first driving device 33 which is connected with the tool magazine fixing plate 3 and drives the tool magazine fixing plate 3 to linearly slide is mounted on the tool magazine bracket 32, the upright post 4 is arranged on the rear machine seat 2, the upright post 4 is provided with a Y-axis driving device and an installation seat, the Y-axis driving device is connected with the installation seat and drives the installation seat to linearly move along the Y direction, the installation seat is provided with a grinding head 5, the grinding head 5 is provided with a short cone main shaft 6 and a second driving device connected with the short cone main shaft 6 in a matching way, the front end of the short cone main shaft 6 is connected with a grinding device 8, the tool changing device comprises a supporting seat, a tool changing motor 71 and a tool changing arm 7 which are arranged on the supporting seat, the supporting seat is fixedly arranged on the right side surface of a tool magazine fixing plate 3, the tool changing motor 71 can drive and control the tool changing arm 7 to rotate, two ends of the tool changing arm 7 are respectively connected with the short cone main shaft 6 and the tool magazine 31, the grinding device 8 is provided with a nozzle mechanism 83 which can spray cooling liquid in a matching way, the rear machine seat 2 is provided with a Z-axis driving device, the Z-axis driving device is connected with the upright post 4 and drives the upright post 4 to linearly move along the Z direction, the novel five-axis linkage grinding center also comprises a numerical control system, and the numerical control system can control the working states of all electric parts in the grinding center;
The X-axis driving device comprises an X-axis driving motor 11 and an X-axis screw rod 13, the X-axis driving motor 11 and the X-axis screw rod 13 are connected through an X-axis shaft coupling 12, the Y-axis driving device comprises a Y-axis driving motor 41 and a Y-axis screw rod 43, the Y-axis driving motor 41 and the Y-axis screw rod 43 are connected through a speed reducer 42, the Z-axis driving device comprises a Z-axis driving motor and a Z-axis screw rod 45, the Z-axis driving motor and the Z-axis screw rod 45 are connected through a Z-axis shaft coupling, a clamp is mounted on a turntable 16, A shafts and C shafts in different directions are arranged on the turntable 16, Y-axis guide rails 44 which are slidably connected with two sides of a mounting seat are arranged on a stand column 4, an X-axis guide rail 14 which is slidably connected with the bottom of the workbench 15 is arranged on a front stand 1, a Z-axis guide rail 21 which is slidably connected with the bottom of two sides of the stand column 4 is arranged on a rear stand 2, two slide rails 35 are mounted on a cutter magazine support 32, the bottom of a cutter magazine fixing plate 3 is cooperatively connected with the slide blocks 34 and the slide rails 35, the cutter magazine 31 is a cutter magazine 31 is connected with the cutter magazine 31 and drives the cutter magazine 31 to rotate.
The grinding device 8 comprises a grinding wheel 91, a grinding wheel cover 84 for shielding the grinding wheel 91, a grinding wheel cover plate 85, a lifting control module 82 and a left control module 81, wherein the grinding wheel cover plate 85 is rotatably connected with one side of the top of the grinding wheel cover 84, the grinding wheel 91 is matched and installed on a short cone spindle 6, the lifting control module 82 and the left control module 81 respectively comprise a support plate 80, a driving motor installed on the support plate 80 and a screw rod slide block transmission mechanism, the support plate 80 is installed on a rear machine seat 2, the driving motor and the screw rod slide block transmission mechanism are connected through a synchronous belt transmission mechanism, the screw rod slide block transmission mechanism on the lifting control module 82 is connected with a nozzle mechanism 83 through a pressing block and drives the nozzle mechanism 83 to move in a lifting manner, the left control module 81 and the lifting control module 82 are connected through a connecting plate 87 and drive the left control module 82 to move in a left-right manner, the left control module 81 is connected with the side of the grinding wheel cover plate 84, the connecting plate 87 is connected with the top of the grinding wheel cover plate 85 through a connecting rod transmission mechanism 86 so as to realize opening and closing of the grinding wheel cover plate 85, a through hole for the short cone spindle to pass through the screw rod slide block transmission mechanism is arranged on the grinding wheel cover 84, the screw rod slide block transmission mechanism comprises a screw rod, the screw rod and a synchronous belt transmission mechanism installed on the synchronous belt and the synchronous belt transmission mechanism is connected with the driven wheel, the synchronous belt and the driven wheel;
The link transmission mechanism 86 includes a first link, a second link, and a rotating lever rotatably connected to the first link and the second link, the first link being connected to the connecting plate 87, and the second link being connected to the pulley cover plate 85.
The nozzle mechanism 83 comprises a nozzle mounting seat, a nozzle connected with the inner cavity of the nozzle mounting seat, a water pipe and an adjusting block, wherein the adjusting block is connected with the nozzle mounting seat in a threaded mode and controls the flow of the nozzle, and a screw rod sliding block transmission mechanism on the lifting control module 82 is connected with the water pipe through a pressing block.
The first driving device 33 comprises a first driving motor, a first screw rod 36 and a nut seat 30 matched and connected with the first screw rod 36, the nut seat 30 is connected with the bottom of the tool magazine fixing plate 3, a motor seat 39 and a screw rod seat 37 are mounted on the tool magazine support 32, two ends of the first screw rod 36 are respectively connected with the motor seat 39 and the screw rod seat 37 through a bearing seat 38, a rolling bearing is connected between the first screw rod 36 and the bearing seat 38 and is tightly pressed through a locking nut and a bearing cover, and the first driving motor is mounted on the motor seat 39 and is connected with the first screw rod 36 through a coupler.
The short cone spindle 6 comprises an inner cone spindle, an automatic balancing device, a spindle clamping device and a grinding wheel fastening device, wherein the inner cone spindle comprises a spindle shell 62 and a spindle core 61 arranged in the spindle shell 62, the front end of the spindle core 61 is provided with an inner conical surface, the inside of the spindle core 61 is provided with a connecting rod 60 and a sliding block 67, two groups of spring washers 63 are sleeved outside the connecting rod 60, the rear end of the connecting rod 60 is connected with the sliding block 67, the grinding wheel fastening device comprises a cutter handle 9 for mounting a grinding wheel 91, the outer edge of the rear end of the cutter handle 9 is provided with an outer conical surface which is matched with the inner conical surface of the spindle core 61, the end face of the cutter handle 9, the outer conical surface and the spindle core 61 are mutually attached and are connected with the front end of the connecting rod 60 by a cutter pulling claw 601 to complete the grinding wheel fastening device, the spindle core 61 and the connecting rod 60 are coaxially arranged, the automatic balancing device is arranged at the outer edge of the front end of the spindle core 61, the spindle clamping device comprises a hydraulic cylinder 64 and a cutter loosening sleeve 65, a piston 66 on the hydraulic cylinder 64 is connected with the cutter sleeve 65, the cutter sleeve 65 is arranged at the outer edge of the rear end of the spindle core 61 and is connected with the sliding block 67, the piston 64 is connected with the rear end of the spindle shell 62 by a bolt 66, and is connected with the rear end of the piston 66;
The outer edge of the shaft housing 62 is provided with a spiral channel, the tail end of the piston 66 is provided with an induction piece, the outer side of the connecting rod 60 is sleeved with a centering sleeve, two groups of spring washers 63 are separated by a spacer sleeve, the hydraulic cylinder comprises a hydraulic cylinder main body, a front hydraulic cylinder end cover and a rear hydraulic cylinder end cover which are arranged at the front end and the rear end of the hydraulic cylinder main body, a sealing ring gland is arranged in the hydraulic cylinder main body and props against the inner wall of the rear hydraulic cylinder end cover, the hydraulic cylinder is an oil cylinder, the spring washers 63 are belleville springs, the arrangement of the spring washers 63 can pull the cutter handle 9 through an elastic reset tensioning connecting rod after the hydraulic cylinder stops oil supply, the cutter handle is not easy to loose and fall off, the second driving device comprises a main shaft motor, the main shaft motor is connected with the main shaft motor by a shaft coupling, and the main shaft motor is arranged at the rear end of the grinding head 5.
The rear end of the knife handle 9 is provided with a knife jaw mounting opening, the front end of the knife jaw 601 is fixedly mounted in the knife jaw mounting opening, the automatic balancing device comprises a ring-type dynamic balancing instrument 69, a dynamic balancing instrument sensor 68 and a compression sealing assembly, the ring-type dynamic balancing instrument 69 is sleeved on the outer edge of the shaft core 61, the dynamic balancing instrument 68 is mounted on the outer side of the ring-type dynamic balancing instrument 69, the compression sealing assembly comprises a front waterproof cover, a protective cover and a shaft housing gland, the front waterproof cover is fastened with the protective cover and then abuts against the ring-type dynamic balancing instrument 69, the front end of the dynamic balancing instrument sensor 68 and is fixed by fastening bolts, the front waterproof cover is connected with the outer edge of the front end of the shaft core 61, the shaft housing gland is arranged between the dynamic balancing instrument sensor 68 and the shaft housing 62, and a dust ring is arranged between the shaft housing gland and the shaft core 61 and can be fastened with the bearing gland.
The taper of the inner conical surface of the shaft core 61 is 1:10, and the shaft core 61 is provided with an air passage.
Six angular contact ball bearings are arranged between the shaft core 61 and the shaft housing 62, the six angular contact ball bearings are distributed on the outer edge of the shaft core 61 according to the front four, the four angular contact ball bearings are arranged between every two angular contact ball bearings at the front, and the two angular contact ball bearings are arranged at the rear, and the spacer rings and the two angular contact ball bearings at the rear are tightly pressed by locking nuts at the outer side of the shaft core 61.
A diamond roller dresser 10 is mounted on the table.
The working process of the embodiment comprises the following steps:
In the working process of the embodiment, when an engine blade needs to be ground, the engine blade is clamped on a clamp of the turntable 16, the turntable 16 is rotated to enable the grinding wheel 91 to be aligned with the engine blade, a spindle motor is started, the spindle motor rotates to drive the short cone spindle 6 to rotate so as to drive the grinding wheel 91 to rotate, the grinding wheel cover plate 85 covers an opening at the upper end of the grinding wheel cover 84, a nozzle is aligned with a grinding position of the grinding wheel to spray cooling liquid, and the grinding wheel 91 rotates to grind the engine blade;
When the position of the spray nozzle needs to be adjusted, a driving motor on the lifting control module 82 is started, the driving motor drives a corresponding screw rod to rotate through a corresponding synchronous belt transmission mechanism after working, the screw rod rotates to drive a corresponding sliding block to slide, the sliding block can drive the spray nozzle mechanism 82 to move up and down so as to realize the height position adjustment of the spray nozzle, when the sand wheel cover 85 needs to be opened, the driving motor on the left and right control module 81 is started, the driving motor drives the corresponding screw rod to rotate through the corresponding synchronous belt transmission mechanism after working, the screw rod rotates to drive the corresponding sliding block to slide, the sliding block can drive the connecting plate 87, the lifting control module 82 and the spraying mechanism 83 to synchronously move left and right, the connecting plate 87 moves rightwards to drive a first connecting rod to move rightwards through a rotating rod, under the action of the pulling force, and the sand wheel cover 85 can be turned upwards around a hinge at the joint of the sand wheel cover 85, after the sand wheel cover 85 is opened, a worker can conveniently replace and maintain 91 in the sand wheel cover 84, when the sand wheel cover 85 is closed, the sand wheel cover 85 and the spray nozzle can be controlled to be opened, the horizontal position of the spray nozzle can be controlled to be separated from the grinding wheel cover 83, and the grinding wheel cover 81 can be controlled to be separated from the horizontal position of the spray nozzle 81, and the grinding wheel cover 81 can be controlled by the grinding wheel cover 81;
When the position of the tool magazine 31 needs to be adjusted, a first driving motor is started, the first driving motor rotates to drive a first screw rod 36 to rotate, the first screw rod 36 rotates to enable a nut seat 30 to move forwards and backwards along the first screw rod 36, the nut seat 30 moves to drive a tool magazine fixing plate 3 and the tool magazine 31 to synchronously move, and when the tool magazine 31 moves forwards to a tool changing position;
When the tool is required to be replaced, the tool magazine driving device drives the tool magazine 31 to rotate, after the required tool rotates to the tool changing arm position, the tool magazine 31 stops rotating, the tool changing device 71 drives the tool changing arm 7 to rotate, the required tool can be taken out, the required tool is installed on the short cone spindle 6 after being taken down, the tool magazine 31 moves backwards and can be far away from the grinding position, high-pressure water flow in the grinding process is prevented from rushing to the tool magazine 31, the tool magazine 31 moves forwards to realize tool changing, and the grinding space cannot be influenced;
The X-axis driving device can drive and control the workbench 15 and the turntable 16 on the workbench 15, the diamond roller trimmer 10 to synchronously move left and right along the X-axis guide rail 14, the Y-axis driving device can drive and control the mounting seat, the grinding head 5 and the short cone spindle 6 to synchronously move up and down along the Y-axis guide rail 44, the Z-axis driving device can drive and control the upright post 4, the grinding head 5 and the short cone spindle 6 to synchronously move back and forth along the Z-axis guide rail 21, and the numerical control system can control the working states of the X-axis driving device, the Y-axis driving device, the Z-axis driving device, the hydraulic cylinder, the first driving device, the tool changing device, the second driving device, the tool magazine driving device, the diamond roller trimmer 10, the lifting control module 82 and the left and right control module 81.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.
Claims (7)
1. The utility model provides a novel five-axis linkage grinding center, includes frame, stand, grinding device, tool changing device and tool magazine fixed plate, its characterized in that: the machine comprises a machine base, an X-axis driving device, a Y-axis driving device and a Z-axis driving device, wherein the machine base comprises a front machine base and a rear machine base, a workbench and the X-axis driving device are arranged on the front machine base, the X-axis driving device is connected with the workbench and drives the workbench to linearly move along the X direction, a turntable is arranged on the workbench, a tool magazine, the tool magazine driving device and a tool changing device are arranged on a tool magazine fixing plate, the bottom of the tool magazine fixing plate is slidably arranged on a tool magazine support, the side surface of the tool magazine support is connected with one side of the rear machine base, The tool magazine bracket is provided with a first driving device which is connected with a tool magazine fixing plate and drives the tool magazine fixing plate to linearly slide, the upright post is arranged on the rear machine seat, the upright post is provided with a Y-axis driving device and a mounting seat, the Y-axis driving device is connected with the mounting seat and drives the mounting seat to linearly move along the Y direction, the mounting seat is provided with a grinding head, the grinding head is provided with a short cone main shaft and a second driving device which is connected with the short cone main shaft in a matching way, the front end of the short cone main shaft is connected with a grinding device, the tool changing device comprises a tool changing arm, two ends of the tool changing arm are respectively connected with the short cone main shaft and the tool magazine, the grinding device is provided with a nozzle mechanism which can spray cooling liquid in a matching way, The rear machine seat is provided with a Z-axis driving device which is connected with the upright post and drives the upright post to linearly move along the Z direction, the rear end of the cutter handle is provided with a cutter jaw mounting opening, the front end of the cutter jaw is fixedly arranged in the cutter jaw mounting opening, the automatic balancing device comprises a ring-type dynamic balancing instrument, a dynamic balancing instrument sensor and a compression sealing assembly, the ring-type dynamic balancing instrument is sleeved on the outer edge of the shaft core, the dynamic balancing instrument sensor is arranged on the outer side of the ring-type dynamic balancing instrument, the compression sealing assembly comprises a front waterproof cover, a protective cover and a shaft housing gland, the front waterproof cover and the protective cover are buckled and then are propped against the front ends of the ring-type dynamic balancing instrument and the dynamic balancing instrument sensor and are fixed by a fastener, The front waterproof cover is connected with the outer edge of the front end of the shaft core, the shaft shell gland is arranged between the dynamic balance instrument sensor and the shaft shell, a dustproof ring is arranged between the shaft shell gland and the shaft core and can be mutually buckled with the bearing gland, the grinding device comprises a grinding wheel, a grinding wheel cover for shielding the grinding wheel, a grinding wheel cover plate rotationally connected with one side of the top of the grinding wheel cover, a lifting control module and a left control module, the grinding wheel is matched and installed on a short cone main shaft, the lifting control module and the left control module both comprise a supporting plate, a driving motor and a screw rod slide block transmission mechanism which are installed on the supporting plate, the driving motor and the screw rod slide block transmission mechanism are connected by a synchronous belt transmission mechanism, the screw rod slide block transmission mechanism on the lifting control module is connected with the nozzle mechanism through a pressing block and drives the nozzle mechanism to move in a lifting way, the left control module and the right control module are connected with the lifting control module through a connecting plate and drive the lifting control module to move left and right, the left control module and the right control module are connected with the side face of the grinding wheel cover, the connecting plate is connected with the top of the grinding wheel cover plate through a connecting rod transmission mechanism to realize the turnover opening and closing of the grinding wheel cover plate, the short cone spindle comprises an inner cone spindle, an automatic balancing device, a spindle clamping device and a grinding wheel fastening device, the inner cone spindle comprises a spindle housing and a spindle core arranged in the spindle housing, the front end of the spindle core is provided with an inner cone, the inside of the spindle core is provided with a connecting rod and a sliding block, The outer side of the connecting rod is sleeved with at least one group of spring washers, the rear end of the connecting rod is connected with the sliding block, the grinding wheel fastening device comprises a cutter handle, the outer edge of the rear end of the cutter handle is provided with an outer conical surface which is matched with the inner conical surface of the shaft core, the end surface of the cutter handle, the outer conical surface and the shaft core are mutually attached, the coaxiality installation among the grinding wheel fastening device, the shaft core and the connecting rod is completed by connecting a broach claw with the front end of the connecting rod, the automatic balancing device is installed at the outer edge of the front end of the shaft core, the main shaft clamping device comprises a hydraulic cylinder and a loose cutter sleeve, a piston on the hydraulic cylinder is connected with the loose cutter sleeve, the loose cutter sleeve is arranged at the outer edge of the rear end of the shaft core and is connected with the sliding block, the hydraulic cylinder is connected with the shaft shell by a fastener, the rear end of the piston is connected with the short shaft.
2. The novel five-axis linkage grinding center as set forth in claim 1, wherein: the connecting rod transmission mechanism comprises a first connecting rod, a second connecting rod and a rotating rod rotationally connected with the first connecting rod and the second connecting rod, wherein the first connecting rod is connected with the connecting plate, and the second connecting rod is connected with the cover plate of the grinding wheel cover.
3. The novel five-axis linkage grinding center as set forth in claim 1, wherein: the nozzle mechanism comprises a nozzle mounting seat, a nozzle connected with an inner cavity of the nozzle mounting seat, a water pipe and an adjusting block, wherein the adjusting block is connected with the nozzle mounting seat in a threaded mode and controls the flow of the nozzle, and a screw rod sliding block transmission mechanism on the lifting control module is connected with the water pipe through a pressing block.
4. The novel five-axis linkage grinding center as set forth in claim 1, wherein: the first driving device comprises a first driving motor, a first screw rod, and a nut seat connected with the first screw rod in a matched mode, wherein the nut seat is connected with the bottom of a tool magazine fixing plate, a motor seat and a screw rod seat are mounted on a tool magazine support, two ends of the first screw rod are connected with the motor seat and the screw rod seat through bearing seats respectively, a rolling bearing is connected between the first screw rod and the bearing seats and is tightly pressed through a locking nut and a bearing cover, and the first driving motor is mounted on the motor seat and is connected with the first screw rod through a coupler.
5. The novel five-axis linkage grinding center as set forth in claim 1, wherein: the taper of the inner conical surface of the shaft core is 1:10, and the shaft core is provided with an air passage.
6. The novel five-axis linkage grinding center as set forth in claim 1, wherein: six angular contact ball bearings are arranged between the shaft core and the shaft housing, the six angular contact ball bearings are distributed on the outer edge of the shaft core according to the front four-back two numbers, four angular contact ball bearings are arranged in the front, two angular contact ball bearings are arranged in the rear, spacer rings are arranged between the two angular contact ball bearings, and the spacer rings and the two angular contact ball bearings are pressed tightly by locking nuts on the outer side of the shaft core.
7. A novel five-axis linkage grinding center as set forth in any one of claims 1 to 6, wherein: and the workbench is provided with a diamond roller trimmer.
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| CN113500407A (en) * | 2021-08-17 | 2021-10-15 | 广东豪特曼智能机器有限公司 | Cell-phone center mills and grinds all-in-one with automatic positioning function |
| CN114559328B (en) * | 2021-12-20 | 2023-04-11 | 浙江杭机股份有限公司 | Multi-workbench grinding center |
| CN114310419B (en) * | 2022-01-17 | 2023-07-14 | 北京博鲁斯潘精密机床有限公司 | Sixteen-axis numerical control five-axis linkage precise milling and grinding machining center |
| CN114559337A (en) * | 2022-03-02 | 2022-05-31 | 杭州芝元机电有限公司 | Double-shaft continuous dressing type grinding center and control method thereof |
| CN114888651B (en) * | 2022-04-25 | 2023-03-21 | 长春理工大学 | Flywheel disc semi-product grinding and polishing repair device and repair method |
| CN116551482B (en) * | 2023-05-19 | 2024-02-20 | 山东广联智能制造有限公司 | Roll grinder compound curve grinding device and method |
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| CN1072541C (en) * | 1995-02-06 | 2001-10-10 | 邵文远 | Small integrated machining center |
| CN101513686B (en) * | 2009-03-28 | 2011-03-09 | 广州市敏嘉制造技术有限公司 | Five-axis multi-functional thread grinding machining center |
| CN202062264U (en) * | 2011-02-01 | 2011-12-07 | 大连科德数控有限公司 | Five-axis cutter grinder |
| CN202910661U (en) * | 2012-09-25 | 2013-05-01 | 台州赛诺克机械科技有限公司 | Numerical control milling cutter end tooth grinding machine |
| CN103846748A (en) * | 2012-12-05 | 2014-06-11 | 台州赛诺克机械科技有限公司 | Numerically-controlled milling cutter end tooth grinder |
| CN109834554B (en) * | 2019-03-14 | 2024-02-06 | 杭州莱格曼特科技有限公司 | Novel aeroengine blade grinding machine |
| CN210499774U (en) * | 2019-04-28 | 2020-05-12 | 广东省汉兴科技有限公司 | Five-axis linkage cutter grinding machine |
| CN110000699B (en) * | 2019-04-28 | 2024-06-25 | 广东省汉兴科技有限公司 | Five-axis linkage cutter grinder |
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