CN110293402B - Multifunctional gear machining numerical control machine tool - Google Patents

Multifunctional gear machining numerical control machine tool Download PDF

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Publication number
CN110293402B
CN110293402B CN201910596596.9A CN201910596596A CN110293402B CN 110293402 B CN110293402 B CN 110293402B CN 201910596596 A CN201910596596 A CN 201910596596A CN 110293402 B CN110293402 B CN 110293402B
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driving
gear
lifting
length direction
machining
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CN110293402A (en
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张习先
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DONGBEI SPECIAL STEEL GROUP SHANDONG YINGLUN MACHINCAL Co.,Ltd.
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Dongbei Special Steel Group Shandong Yinglun Machincal Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/02Machine tools for performing different machining operations

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear Processing (AREA)
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Abstract

The invention provides a multifunctional gear machining numerical control machine tool, which comprises a machine body, wherein one end of the top of the machine body along the length direction is provided with a workbench, the other end of the top of the machine body is movably provided with a vertical column which is vertically arranged, the top of the vertical column is fixedly provided with a horizontal rectangular mounting table, the length direction of the mounting table is parallel to the length direction of the machine body, the mounting table is positioned right above the workbench, a gear shaping machining part is arranged on the mounting table and used for performing gear shaping machining/chamfering machining/drilling machining on a gear blank workpiece, the gear shaping machining part comprises a plurality of tool bits and can simultaneously machine a plurality of gear blanks of the same model, a rotary driving part used for connecting the vertical column and the machine body is arranged between the vertical column and the machine body, the vertical column is used for transmitting the power of the rotary driving part to the gear shaping machining part and driving the gear shaping machining part to perform surrounding gear shaping machining/, the rotary driving component can adjust the integral rotation radius of the gear shaping processing component.

Description

Multifunctional gear machining numerical control machine tool
Technical Field
The invention relates to a machine tool, in particular to a multifunctional gear machining numerical control machine tool.
Background
A gear is a mechanical transmission part widely applied, mainly comprising a cylindrical gear, a bevel gear, a gear ring and the like, and can be divided into hobbing, gear shaping, gear shaving, gear honing, gear grinding, gear extruding, chamfering machine tools and the like according to different processing technologies, Chinese gear processing machines basically form a complete series, spiral bevel gear six-shaft numerical control grinding machines with international levels of technical content are developed, but the overall manufacturing level of the gear processing machines has larger difference compared with Europe and America in the aspects of precision, service life, stability, numerical control technical application and the like, at present, a gear shaping machine is one of the most common machine tools for processing gears, but the processing efficiency of the common gear shaping machine is low, only one gear blank can be subjected to gear shaping processing at a time, and after the gear processing is finished, chamfering of gear tooth crests and gear web holes can not be processed on the gear shaping machine, greatly reduced gear shaping machine tooling gear's efficiency, influence processing manufacturing enterprise's economic benefits, in order to solve the difficult problem that ordinary gear shaping machine tooling efficiency is low, the inventor designs a structure ingenious, the principle is simple, can carry out gear shaping processing, the convenient multi-functional gear machining digit control machine tool of operation use to a plurality of gear blank piece simultaneously.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the multifunctional gear machining numerical control machine tool which is ingenious in structure, simple in principle, capable of simultaneously performing gear shaping machining on a plurality of gear blank pieces and convenient and fast to operate and use.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
The utility model provides a multi-functional gear machining digit control machine tool, it includes the rectangle and falls to the ground the lathe bed, the one end of length direction is followed at the lathe bed top is provided with the horizontal workstation of rectangle, the workstation is used for from centering clamping fixed gear blank, the other end activity of length direction is followed at the lathe bed top is provided with the stand of vertical arrangement, stand top fixed mounting has the horizontal rectangle mount table, mount table length direction is on a parallel with the length direction of lathe bed and the mount table is located directly over the workstation, be provided with gear shaping processing part on the mount table, gear shaping processing part is used for carrying out gear shaping processing/chamfer processing/drilling processing to gear blank work piece, gear shaping processing part contains a plurality of tool bits and can process a plurality of gear blanks of the same model simultaneously, be provided with between stand and the lathe bed and be used for connecting rotary driving part between them, the stand is used for with rotary driving part's power transmission to gear shaping processing part and drive gear shaping processing The workpiece is subjected to encircling gear shaping processing/encircling chamfering processing, and the rotating driving part can adjust the integral rotating radius of the gear shaping processing part;
the gear shaping processing component comprises a rectangular lifting arm which is arranged on the mounting table in a penetrating way and can slide up and down, the length direction of the lifting arm is vertically arranged, the width direction of the lifting arm is arranged along the width direction of the bed body, the lifting arm and the mounting table form sliding guide fit along the vertical direction, the lifting arm can be mutually switched between a high position state and a low position state, the initial state is the high position state, one end of the lifting arm is positioned above the mounting table, the other end of the lifting arm is positioned below the mounting table, the lower end of the lifting arm is provided with a connecting mechanism extending outwards, the extending end of the connecting mechanism is provided with a plurality of tool rests, the tool rests are provided with three tool rests which are arranged in a three-point mode, one tool rest corresponds to one side surface of the lifting arm along the width direction, the other tool rest corresponds to the other side surface of the lifting arm along the width direction, the vertical drilling and milling motor is fixedly mounted on the tool rest, an output shaft of the drilling and milling motor is vertically arranged downwards, a cutter is detachably arranged on the output shaft, the cutter is a slotting cutter/milling cutter/drilling cutter, the cutter is positioned above a clamped gear blank by a lifting arm in a high position state, the cutter is positioned below the clamped gear blank by a lifting arm in a low position state, three self-centering clamping stations are arranged on the workbench and correspond to the cutters one by one, the cutters can rotate around the axial lead of the clamped gear blank, the rotating radius of the cutters is adjustable, and a lifting driving mechanism for driving the cutters to do vertical reciprocating motion is arranged at the upper end of the lifting arm and is fixedly mounted on the mounting platform.
As a further optimization or improvement of the present solution.
The lower end of the upright column is fixedly provided with a rectangular lead plate, the length direction of the lead plate is parallel to the length direction of the lathe bed, the width direction of the lead plate is parallel to the width direction of the lathe bed, a first guide rail and a second guide rail which are used for connecting the lead plate and the lathe bed are arranged between the lead plate and the lathe bed, the lead plate and the first guide rail form sliding guide fit along the length direction parallel to the lathe bed, the first guide rail and the second guide rail form sliding guide fit along the width direction parallel to the lathe bed, and the second guide rail is fixedly connected with the.
As a further optimization or improvement of the present solution.
The fixed rectangle guide cylinder that carries on that cup joints in the outside and upper and lower both ends opening arrangement of lifing arm that is provided with the activity of mount table up end, guide cylinder edge is corresponding with the edge of lifing arm, set up the mounting groove corresponding rather than edge on the inner wall of guide cylinder, the mounting groove runs through from top to bottom, the mounting groove internal rotation is provided with the axial of rubber guide pulley and this axis of rotation and is on a parallel with the groove width direction of mounting groove, the guide pulley is provided with two and arranges from top to bottom, one of them guide pulley is close to the upper end of guide cylinder, another guide pulley is close to the lower extreme of guide cylinder, the edge activity joint of lifing.
As a further optimization or improvement of the present solution.
The lifting driving mechanism comprises two supporting frames fixedly arranged on the upper end face of the mounting table, the two supporting frames are symmetrically arranged along the length direction of the mounting table, a crankshaft axially parallel to the width direction of the mounting table is rotatably arranged between the two supporting frames, the top of the lifting arm is provided with a horizontally extending sleeved hole, the central line direction of the sleeved hole is parallel to the axial line direction of the crankshaft, the sleeved hole is sleeved on the crankshaft along the axial middle position of the crankshaft, and the crankshaft is movably arranged in the sleeved hole along the length direction parallel to the mounting table;
the end part of the crankshaft parallel to the axial direction of the crankshaft is a driving end and is coaxially sleeved with a flywheel, the lifting driving mechanism also comprises a transmission shaft which is rotatably arranged on the upright post and is axially parallel to the axial direction of the crankshaft, and a lifting driving motor which is fixedly arranged on the upright post, wherein the lifting driving motor is a stepping motor, the axial direction of an output shaft of the lifting driving motor is parallel to the axial direction of the transmission shaft, a second belt transmission component which is used for connecting the lifting driving motor and the transmission shaft is arranged between the lifting driving motor and the driving end of the transmission shaft, the second belt transmission component comprises a second driving belt wheel which is coaxially and fixedly sleeved on the output shaft of the lifting driving gear, a second driven belt wheel which is coaxially and fixedly sleeved on the driving end of the transmission shaft, and a second, a first belt transmission assembly for connecting the output end of the transmission shaft and the driving end of the driving shaft is arranged between the output end of the transmission shaft and the driving end of the driving shaft;
the first belt transmission assembly is provided with two belt transmission assemblies which are symmetrically arranged along the length direction parallel to the mounting table, the first belt transmission assembly is located between the support frame and the flywheel, the first belt transmission assembly comprises a first driving belt wheel which is coaxially and fixedly sleeved on the output end of the transmission shaft, a first driven belt wheel which is coaxially and fixedly sleeved on the driving end of the crankshaft, and a first belt which is arranged between the first driving belt wheel and the first driven belt wheel and is used for connecting the first driving belt wheel and the first driven belt wheel.
As a further optimization or improvement of the present solution.
The rotary driving part is arranged between the lathe bed and the lower end face of the lead plate, the rotary driving part comprises two rotary main shafts which are rotatably arranged in the lathe bed and are vertically arranged, the rotary main shafts are symmetrically arranged along the width direction of the lathe bed, the top end of each rotary main shaft is provided with a horizontally arranged rectangular rotary frame, the middle position of each rotary frame along the length direction of the rotary frame is fixedly connected with the top end of each rotary main shaft, a driving block is movably arranged on each rotary frame, the driving block is located at the eccentric position of the rotary main shaft in the circumferential direction, the eccentric distance is equal to the radius of the circumference where the cutter moves around along the gear blank, the eccentric distance of the driving block in the circumferential direction of the rotary main shaft is adjustable, and the driving block is fixedly connected with the;
the synchronous transmission component is used for connecting the two rotating main shafts and is a belt transmission synchronous transmission component, the rotary driving component further comprises a power source, the power source comprises a rotary stepping motor fixedly installed in the lathe bed, the axial direction of an output shaft of the rotary stepping motor is parallel to the length direction of the lathe bed, a worm is coaxially and fixedly arranged on the output shaft of the rotary stepping motor, a turbine is coaxially and fixedly sleeved on one of the rotating main shafts, and the worm is meshed with the turbine.
As a further optimization or improvement of the present solution.
Offer the opening on the swivel mount and upwards just follow the spout that its length direction arranged, the drive block activity inlays locates in the spout and can slide along its length direction, the spout internal rotation is provided with the reducing accommodate the lead screw that is on a parallel with its length direction and arranges, the drive block activity cup joints in the outside of reducing accommodate the lead screw and both constitute the threaded connection cooperation, the end position fixed mounting of the one end of length direction is followed to the swivel mount has reducing accommodate the motor, reducing accommodate the motor's output shaft and the coaxial fixed connection of drive end of reducing accommodate the lead screw.
As a further optimization or improvement of the present solution.
One end of the rotating frame, which is far away from the reducing adjusting motor, is provided with a second balancing weight used for balancing the rotating potential energy of the reducing adjusting motor, and the rotating frame is also provided with a first balancing weight used for balancing the rotating potential energy of the driving block.
As a further optimization or improvement of the present solution.
The lifting arm is arranged in a hollow manner, the connecting mechanism is arranged in the lifting arm and extends to the outside of the lifting arm, the connecting mechanism comprises a double-connecting rod which is arranged between the lifting arm and the tool rest and is used for being hinged and connected with the lifting arm and the tool rest, the axial direction of the hinged shaft is vertical to the length direction of the lifting arm, the double-connecting rod is in a horizontal state in an initial state, the connecting mechanism also comprises a sliding block which is arranged in the lifting arm and can slide up and down along the vertical direction, the side surface of the sliding block is provided with a lug which extends to the outside of the lifting arm and can slide up and down along the lifting arm, a connecting rod which is used for being hinged and connected with the lug and the double-connecting rod is arranged between the lug and the double-connecting rod, the connecting rod is hinged and connected with the middle position of one connecting rod of the double-connecting rod along the length, the output shaft of lift adjustment motor is vertical to be arranged downwards and set up lift adjustment lead screw between this output shaft and the fixed block, lift adjustment lead screw one end and the coaxial fixed connection of lift adjustment motor output shaft, the other end and fixed block rotate to be connected the cooperation, the fixed block cup joints in lift adjustment lead screw's outside and both constitute threaded connection cooperation.
Compared with the prior art, the gear shaping machine has the advantages that the structure is ingenious, the principle is simple, gear shaping processing can be simultaneously carried out on a plurality of gear blank pieces, the gear shaping cutting processing is carried out on the corresponding gear blank pieces by driving a plurality of gear shaping cutters to reciprocate up and down, the motion is a main motion, the gear shaping cutters are driven to carry out surrounding motion along the corresponding gear blank pieces, the motion is a feeding motion, and the gear shaping cutters can be replaced by milling cutters/drilling cutters to carry out chamfering/drilling processing on gears, so that the gear processing efficiency is greatly improved, and the economic return rate of production and processing enterprises is increased.
Drawings
Fig. 1 is a schematic structural view of a gear shaping state of the present invention.
Fig. 2 is a schematic structural view of a gear shaping state of the present invention.
FIG. 3 is a schematic structural view of a chamfer machining state according to the present invention.
Fig. 4 is a schematic structural diagram of the lathe bed.
Fig. 5 is a schematic structural view of the work table.
Fig. 6 is a schematic structural view of the pillar.
Fig. 7 is a partial structural schematic view of the pillar.
FIG. 8 is a mating view of the post and the gear shaping processing component.
Fig. 9 is a schematic view of the structure of the gear shaping processing part.
Fig. 10 is a partial structural view of the lift arm.
Fig. 11 is a connection diagram of the lifting arm and the tool post.
Fig. 12 is a view showing the combination of the lift driving mechanism and the lift arm.
Fig. 13 is a view showing the combination of the lift driving mechanism and the lift arm.
Fig. 14 is a view showing the combination of the crankshaft and the lift arm.
Fig. 15 is a schematic structural view of the elevation driving mechanism.
Fig. 16 is a view showing the connection mechanism, the lift arm, and the tool post.
Fig. 17 is a partial structural view of the connection mechanism.
Fig. 18 is a view showing the fitting of the rotary drive member to the column.
Fig. 19 is a view showing the engagement of the rotary drive member with the column.
Fig. 20 is a view showing the fitting of the rotary drive member to the column.
Fig. 21 is a schematic structural view of the rotation driving part.
Fig. 22 is a schematic view of the power source.
Fig. 23 is a partial structural view of the rotation driving part.
Labeled as:
100. a bed body; 110. a work table; 120. a column; 121. a lead plate; 122. a first guide rail; 123. a second guide rail; 130. an installation table;
200. a gear shaping machining component; 210. a lifting arm; 211. a guide cylinder; 212. mounting grooves; 213. a guide wheel; 214. sleeving a hole; 220. a tool holder; 221. drilling and milling a motor; 222. a cutter; 230. a connecting mechanism; 231. a double link; 232. a slider; 233. a connecting rod; 234. a fixed block; 235. a lift adjustment motor; 236. a lifting adjusting screw rod; 240. a lifting drive mechanism; 241. a support frame; 242. a crankshaft; 243. a flywheel; 244. a drive shaft; 245. a first belt transmission assembly; 246. a lifting drive motor; 247. a belt transmission assembly II;
300. a rotation driving member; 301. rotating the main shaft; 302. a rotating frame; 303. a drive block; 304. a synchronous drive assembly; 305. a chute; 306. a reducing adjusting screw rod; 307. a variable-diameter adjusting motor; 308. a first balancing weight; 309. a second balancing weight; 310. a power source; 311. rotating the stepper motor; 312. a worm; 313. a turbine.
Detailed Description
A multifunctional numerical control machine tool for gear machining comprises a rectangular floor type machine tool body 100, one end of the top of the machine tool body 100 in the length direction is provided with a rectangular horizontal workbench 110, the workbench 110 is used for self-centering clamping and fixing gear blanks, the other end of the top of the machine tool body 100 in the length direction is movably provided with a vertical column 120 which is vertically arranged, the top of the vertical column 120 is fixedly provided with a horizontal rectangular installation table 130, the length direction of the installation table 130 is parallel to the length direction of the machine tool body 100, the installation table 130 is positioned right above the workbench 110, a gear shaping machining part 200 is arranged on the installation table 130, the gear shaping machining part 200 is used for gear shaping machining/chamfering machining/drilling machining of gear blank workpieces, the gear shaping machining part 200 comprises a plurality of tool bits and can simultaneously machine a plurality of gear blanks of the same type, a rotary driving part 300 for connecting the vertical column 120 and the machine tool body 100 is, the column 120 is used for transmitting the power of the rotary driving component 300 to the gear shaping processing component 200 and driving the gear shaping processing component 200 to perform the encircling gear shaping processing/the encircling chamfering processing on a plurality of gear blank pieces, and the rotary driving component 300 can adjust the integral turning radius of the gear shaping processing component 200.
The gear shaping processing component 200 comprises a rectangular lifting arm 210 which is arranged on the mounting table 130 in a penetrating way and can slide up and down, the lifting arm 210 is vertically arranged in the length direction and arranged in the width direction of the lathe bed 100 in the width direction, the lifting arm 210 and the mounting table 130 form sliding guide fit in the vertical direction, the lifting arm 210 can be switched between a high position state and a low position state, the initial state is the high position state, one end of the lifting arm 210 is positioned above the mounting table 130, the other end of the lifting arm 210 is positioned below the mounting table 130, a connecting mechanism 230 which extends outwards is arranged at the lower end of the lifting arm 210, a plurality of tool rests 220 are arranged at the extending end of the connecting mechanism 230, and the tool rests 220 are arranged in a three-point mode, so as to avoid collision between the tool rests 220 and the upright column 120, wherein one tool rest 220 corresponds to one side surface of the lifting arm 210 in the width direction, the other tool rest 220 corresponds to the side surface, The tool rest 220 corresponds to one end face, away from the upright column 120, of the lifting arm 210, a vertically-arranged drilling and milling motor 221 is fixedly mounted on the tool rest 220, an output shaft of the drilling and milling motor 221 is vertically arranged downwards, a tool 222 is detachably arranged on the output shaft, the tool 222 is a slotting cutter/a milling cutter/a drilling cutter, the lifting arm 210 in a high position enables the tool 222 to be located above a clamped gear blank, the lifting arm 210 in a low position enables the tool to be located below the clamped gear blank, three self-centering clamping stations are arranged on the workbench 110 and correspond to the tools 222 one by one, the tools 222 can rotate around the axis of the clamped gear blank, the rotating radius of the tools 222 can be adjusted, a lifting driving mechanism 240 for driving the lifting arm 210 to do vertical reciprocating motion is arranged at the upper end of the lifting arm 210, and the lifting driving mechanism 240 is fixedly mounted on the mounting platform.
In the gear processing process, the gear shaping processing is performed in the first stage, at this time, the cutter 222 is replaced by a gear shaping cutter, specifically, a user clamps a gear blank of the same type on the workbench 110 in a self-centering manner, the user adjusts the rotation radius of the gear shaping processing component 200 and sets the cutter and the gear blank in the horizontal direction according to the diameter of the gear blank, then, the lifting driving mechanism 240 starts to operate and drives the lifting arm 210 to reciprocate up and down in the high position state and the low position state, the lifting arm 210 drives the gear shaping cutter to move synchronously and perform the gear shaping processing on the gear blank, in the process, the rotation driving component 300 drives the gear shaping cutter to perform the surrounding stepwise motion around the gear blank, so that the gear shaping cutter performs the surrounding gear shaping processing on the gear blank, and the rotation driving component 300 gradually reduces the rotation radius of the gear shaping cutter, and gradually feeding the gear shaping cutter along the radial direction of the gear blank until the gear shaping processing is finished.
And chamfering is carried out at the second stage, the cutter 222 is replaced by a milling cutter, and the concrete expression is that firstly, the lifting driving mechanism 240 drives the lifting arm 210 in a high position state to move downwards, the lifting arm 210 drives the milling cutter to be aligned with the upper end face/lower end face of the gear tooth top in the vertical direction, so that the milling cutter is aligned with the edge of the upper end face/lower end face of the gear tooth top, the drilling and milling motor 221 is started, the drilling and milling motor 221 drives the milling cutter to rotate, the rotating radius of the milling cutter is gradually reduced by the rotating driving part 300, the milling cutter is fed along the radial direction of the gear, and meanwhile, the rotating driving part 300 drives the milling cutter to move around along the gear until the chamfering is finished.
And in the third stage, drilling is carried out, the cutter 222 is replaced by a drill, firstly, the rotation radius of the drill is adjusted by the rotation driving part 300, the drill is fed along the radial direction of the gear and is overlapped with the web plate position to be drilled in the horizontal direction, then, the drilling and milling motor 221 is started, the drill is driven to rotate by the drilling and milling motor 221, finally, the lifting driving mechanism 240 drives the lifting arm 210 to be slowly switched from the high position state to the low position state, and the lifting arm 210 drives the drill to vertically move downwards and feed downwards along the axial direction parallel to the gear until the drilling is finished.
In order to drive the upright column 120 to rotate around the vertical direction, a rectangular lead plate 121 is fixedly arranged at the lower end of the upright column 120, the length direction of the lead plate 121 is parallel to the length direction of the bed 100, the width direction of the lead plate is parallel to the width direction of the bed 100, a first guide rail 122 and a second guide rail 123 for connecting the lead plate 121 and the bed 100 are arranged between the lead plate 121 and the bed 100, the lead plate 121 and the first guide rail 122 form a sliding guide fit along the length direction parallel to the bed 100, the first guide rail 122 and the second guide rail 123 form a sliding guide fit along the width direction parallel to the bed 100, and the second guide rail 123 is fixedly connected with the bed 100.
In order to improve the reliability of the reciprocating motion of the lifting arm 210 along the vertical direction, the upper end surface of the mounting table 130 is fixedly provided with a rectangular guide cylinder 211 which is movably sleeved outside the lifting arm 210 and has openings at the upper end and the lower end, the corners of the guide cylinder 211 correspond to the corners of the lifting arm 210, the inner wall of the guide cylinder 211 is provided with a mounting groove 212 corresponding to the corners, the mounting groove 212 penetrates up and down, the mounting groove 212 is rotatably provided with a rubber guide wheel 213, the axial direction of the rotating shaft is parallel to the groove width direction of the mounting groove 212, the guide wheels 213 are arranged up and down, one guide wheel 213 is close to the upper end of the guide cylinder 211, the other guide wheel 123 is close to the lower end of the guide cylinder 211, and the corners of the lifting arm 210 are movably clamped on the guide wheel 213.
In order to drive the lifting arm 210 to reciprocate along the vertical direction, the lifting driving mechanism 240 includes two supporting frames 241 fixedly disposed on the upper end surface of the mounting platform 130, the two supporting frames 241 are symmetrically disposed along the length direction of the mounting platform 130, a crankshaft 242 axially parallel to the width direction of the mounting platform 130 is rotatably disposed between the two supporting frames 241, in order to convert the rotational potential energy of the crankshaft 242 into the power for the elevating movement of the elevating arm 210, the top of the lifting arm 210 is provided with a horizontally extending sleeve-joint hole 214, the central line direction of the sleeve-joint hole 214 is parallel to the axial direction of the crankshaft 242, the sleeve-joint hole 214 is sleeved on the crankshaft 242 along the axial middle position thereof and the crankshaft 242 is movably arranged in the sleeve-joint hole 214 along the length direction parallel to the mounting table 130, the reciprocating movement of the lifting arm 210 in the vertical direction is achieved by driving the rotation of the crankshaft 242 about its axis.
Specifically, in order to be able to drive the crankshaft 242 to rotate smoothly, the end of the crankshaft 242 parallel to the axial direction thereof is a driving end, and the end is coaxially and fixedly sleeved with a flywheel 243, in order to be able to drive the crankshaft 242 to rotate, the lifting driving mechanism 240 further includes a transmission shaft 244 rotatably disposed on the upright post 120 and axially parallel to the axial direction of the crankshaft 242, a lifting driving motor 246 fixedly disposed on the upright post 120, the lifting driving motor 246 is a step motor, an output shaft of the lifting driving motor 246 is axially parallel to the axial direction of the transmission shaft 244, a second belt transmission assembly 247 for connecting the lifting driving motor 246 and the driving end of the transmission shaft 244 is disposed between the lifting driving motor 246 and the driving end of the transmission shaft 244, the second belt transmission assembly 247 includes a second driving pulley coaxially and fixedly sleeved on the output shaft of the lifting driving gear 246, a second driven pulley coaxially and fixedly sleeved on the driving end of the, the power of the lifting driving motor 246 is transmitted to the transmission shaft 244 through the second belt transmission assembly 247, and in order to transmit the power of the transmission shaft 244 to the driving end of the crankshaft 242, the first belt transmission assembly 245 for connecting the output end of the transmission shaft 244 and the driving end of the driving shaft 242 is arranged between the output end of the transmission shaft and the driving end of the driving shaft 242.
More specifically, the first belt transmission assemblies 245 are provided with two belt transmission assemblies and are symmetrically arranged along the length direction parallel to the mounting table 130, the first belt transmission assemblies 245 are located between the support frame 241 and the flywheel 243, the first belt transmission assemblies 245 comprise a first driving pulley coaxially and fixedly sleeved on the output end of the transmission shaft 244, a first driven pulley coaxially and fixedly sleeved on the driving end of the crankshaft 242, and a first belt arranged between the first driving pulley and the first driven pulley and used for connecting the first driving pulley and the first driven pulley, and the first belt transmission assemblies 245 transmit the power of the transmission shaft 244 to the crankshaft 242 and drive the crankshaft 242 to rotate around the axis of the first belt transmission assemblies 245.
In the gear shaping process, the lifting driving mechanism 240 needs to drive the lifting arm 210 to reciprocate up and down along the vertical direction, so that the gear shaping cutter performs gear shaping on a gear blank; in the chamfering process, the lifting driving mechanism 240 drives the lifting arm in a high position state to slowly move downwards, so that the milling cutter and the gear tooth top are subjected to tool setting in the vertical direction; in the drilling process, the lifting driving mechanism 240 drives the lifting arm in the high position state to slowly move downwards, so that the drill bit feeds into the drill hole along the axial direction of the gear, in the working process of the lifting driving mechanism 240, specifically, the lifting driving motor 246 is started, the belt transmission assembly two 247 transmits the power of the lifting driving motor 246 to the transmission shaft 244 and drives the transmission shaft 244 to rotate, the belt transmission assembly one 245 transmits the power of the transmission shaft 246 to the crankshaft 242 and drives the crankshaft 242 to rotate, the crankshaft 242 drives the lifting arm 210 to vertically move upwards and downwards, the lifting driving motor 246 controls the movement form of the lifting arm 210, and the requirements of different processing stages of gear blanks are met.
In order to drive the lead plate 121 to rotate along the vertical direction as an axis and control the radius of rotation of the lead plate 121 so as to adapt to the processing of gear blanks of different models, the rotary driving component 300 is arranged between the machine body 100 and the lower end surface of the lead plate 121, the rotary driving component 300 comprises two vertically arranged rotary spindles 301 rotatably arranged in the machine body 100, the rotary spindles 301 are symmetrically arranged along the width direction of the machine body 100, a horizontally arranged rectangular rotary frame 302 is arranged at the top end of the rotary spindle 301, the middle position of the rotary frame 302 along the length direction thereof is fixedly connected with the top end of the rotary spindle 301, a driving block 303 is movably arranged on the rotary frame 302, the driving block 303 is located at the eccentric position of the rotary spindle 301 in the circumferential direction and the eccentric distance is equal to the radius of the circumference of the tool 222 in the circular motion along the gear blank, and the eccentric distance of the driving block 303 in the circumferential direction of the rotating main shaft 301 is adjustable, the driving block 303 is fixedly connected with the lead plate 121, and the two rotating main shafts 301 are driven to synchronously rotate, so that the lead plate 121 rotates around the vertical direction as an axis and the rotating radius is equal to the eccentric distance of the driving block 303 in the circumferential direction of the rotating main shaft 301, and the cutter 222 is driven to circularly move around the gear blank.
Specifically, in order to drive the rotating main shafts 301 to rotate, a synchronous transmission assembly 304 for connecting the two rotating main shafts 301 is arranged between the two rotating main shafts 301, the synchronous transmission assembly 304 is a belt transmission synchronous transmission assembly, in order to drive one of the rotating main shafts 301, the rotating driving part 300 further includes a power source 310, the power source 310 includes a rotating stepping motor 311 fixedly installed in the bed 100, an output shaft of the rotating stepping motor 311 is axially parallel to the length direction of the bed 100, an output shaft of the rotating stepping motor 311 is coaxially and fixedly provided with a worm 312, one of the rotating main shafts 301 is coaxially and fixedly sleeved with a worm wheel 313, the worm 312 is engaged with the worm wheel 313, and the rotating main shafts 301 are driven to rotate by the rotating stepping motor 311.
During the working process of the rotary driving component 300, the rotary stepping motor 311 is started, the rotary stepping motor 311 drives the worm 312 to synchronously rotate, the worm wheel 313 transmits the power of the worm 312 to one of the rotary main shafts 301 and drives the rotary main shafts 301 to rotate, the synchronous transmission component 304 enables the two rotary main shafts 301 to synchronously rotate, the rotary main shaft 301 drives the rotary frame 302 to rotate around the axis direction thereof, the rotary frame 302 drives the driving block 303 to rotate around the axial direction of the rotary main shafts 301, the driving block 303 drives the lead plate 121 to rotate around the vertical line of the midpoint of the connecting line of the two rotary main shafts 301 and the rotating radius is the distance of the driving block 303 deviating from the rotary main shafts 301, the lead plate 121 drives the upright post 120 to synchronously rotate, the upright post 120 drives the gear slotting component 200 to integrally rotate, the gear slotting cutter performs the compound motion of the motion around the gear blank and the reciprocating motion in the vertical direction, and performs the gear slotting machining/milling cutter on the gear blank And performing compound movement, and chamfering the gear tooth tops.
More specifically, in order to change the distance between the cutter 222 and the axial line of the corresponding gear blank, the meaning of the method is that the method is suitable for machining gear blanks with different diameters on one hand, and on the other hand, the cutter 222 can be fed along the radial direction of the gear blank (when the cutter is used for slotting, the slotting cutter is used for feeding and cutting along the radial direction of the gear blank, when the cutter is used for chamfering, the cutter is used for cutting along the radial direction of the gear, when the drill is used for drilling, the drill is fed along the radial direction of the gear and is used for drilling holes on a web plate), for this purpose, a sliding groove 305 with an upward opening and arranged along the length direction is arranged on the rotating frame 302, a driving block 305 is movably embedded in the sliding groove 305 and can slide along the length direction, the sliding groove 305 is provided with a reducing adjusting screw rod 306 arranged parallel to the length direction, the driving block 303 is movably sleeved outside the reducing, a reducing adjusting motor 307 is fixedly installed at the end position of one end of the rotating frame 302 in the length direction, an output shaft of the reducing adjusting motor 307 is coaxially and fixedly connected with a driving end of a reducing adjusting screw 306, and the reducing adjusting screw 306 is driven to rotate by the reducing adjusting motor 307, so that the distance of the driving block 303 deviating from the rotating main shaft 301 is changed, and further, the distance between the cutter 222 and the axial lead of the corresponding gear blank is changed.
More specifically, for promoting the swivel mount 302 around rotatory main shaft 301 pivoted stability, swivel mount 302 deviates from reducing accommodate motor 307 one end and is provided with two 309 of balancing weight block that are used for balancing reducing accommodate motor 307 to rotate potential energy, still be provided with a 308 of balancing weight block that is used for balancing drive block 303 to rotate potential energy on the swivel mount 302, the meaning of this scheme of adoption lies in, simple structure promotes swivel mount 302 pivoted stationarity.
In the process of adjusting the distance of the driving block 303 deviating from the rotating spindle 301, the specific expression is that when the distance of the driving block 303 deviating from the rotating spindle 301 needs to be increased, the reducing adjusting motor 307 is started, the reducing adjusting motor 307 drives the reducing adjusting screw rod 306 to rotate, the reducing adjusting screw rod 306 enables the driving block 303 to slide away from the rotating spindle 301 along the sliding groove 305, and the eccentric distance of the driving block 303 is increased; when the distance of the driving block 303 deviating from the rotating main shaft 301 needs to be reduced, the reducing adjusting motor 307 is started to rotate reversely, the reducing adjusting motor 307 drives the reducing adjusting screw rod 306 to rotate reversely, the reducing adjusting screw rod 306 enables the driving block 303 to slide close to the rotating main shaft 301 along the sliding groove 305, and the eccentric distance of the driving block 303 is reduced.
As a more preferable aspect of the present invention, in order to improve the functionality of the gear shaping processing component 200 and enable the milling cutter to mill an eccentric hole on a workpiece, the lifting arm 210 is arranged in a hollow manner, the connecting mechanism 230 is arranged in the lifting arm 210 and extends to the outside of the lifting arm 210, the connecting mechanism 230 includes a dual connecting rod 231 arranged between the lifting arm 210 and the tool rest 220 and used for hinge-connecting the two, the axial direction of the hinge shaft is perpendicular to the length direction of the lifting arm 210, the dual connecting rod 231 is in a horizontal state in an initial state, the connecting mechanism 230 further includes a slider 232 arranged in the lifting arm 210 and capable of sliding up and down in a vertical direction, a side surface of the slider 232 is provided with a lug extending to the outside of the lifting arm 210 and capable of sliding up and down along the lifting arm 210, a connecting rod 233 used for hinge-connecting the two is arranged between the lug and the dual connecting rod 231, the connecting rod 233 and one of the dual connecting rod, be provided with under the slider 232 with the fixed block 234 of lift arm 210 inner wall fixed connection, be provided with directly over the slider 232 with the inside fixed connection's of lift arm 210 lift adjustment motor 235, the vertical downward arrangement of output shaft of lift adjustment motor 235 and set up lift adjustment screw 236 between this output shaft and fixed block 234, lift adjustment screw 236 one end and the coaxial fixed connection of lift adjustment motor 235 output shaft, the other end and fixed block 234 swivelling joint cooperation, fixed block 234 cup joints in lift adjustment screw 236's outside and both constitute the threaded connection cooperation.
When eccentric holes need to be milled on a workpiece clamped on the workbench 110, the lifting adjusting motor 235 is started, the lifting adjusting motor 235 drives the lifting adjusting screw 236 to rotate, the lifting adjusting screw 236 drives the sliding block 232 to vertically slide downwards, the connecting rod 233 pushes the double connecting rod 231 to rotate downwards around the hinged shaft thereof, the tool rest 220 performs a combined motion of downward motion and mutual approaching motion (it is noted that, at this time, the distance between the tool 222 and the clamping axial line of the corresponding gear blank is unequal, and the processing situations of gear slotting, chamfering and drilling on a plurality of gears are no longer applicable), then, the milling and drilling motor 221 drives the milling cutter to rotate, the rotary driving part 300 drives the milling cutter to mill the eccentric holes on the workpiece, the lifting driving mechanism 240 drives the milling cutter to feed downwards or withdraw upwards along the vertical direction, after the milling of the eccentric holes is completed, the lifting adjusting motor 235 is started to rotate reversely, the lift adjustment motor 235 will drive lift adjustment screw 236 antiport, and lift adjustment screw 236 will drive the vertical upwards slip of fixed block 234 and reset, and connecting rod 233 will promote two connecting rods 231 and upwards rotate around its articulated shaft, makes two connecting rods 231 reset to the horizontality, and the meaning of this scheme of adoption lies in, simple structure promotes gear shaping processing part 200's functionality.

Claims (10)

1. The utility model provides a multi-functional gear machining digit control machine tool which characterized in that: the gear blank machining device comprises a rectangular floor lathe bed, a rectangular horizontal workbench is arranged at one end of the top of the lathe bed along the length direction, the workbench is used for self-centering clamping and fixing gear blank pieces, a vertical column which is vertically arranged is movably arranged at the other end of the top of the lathe bed along the length direction, a horizontal rectangular installation platform is fixedly installed at the top of the vertical column, the length direction of the installation platform is parallel to the length direction of the lathe bed, the installation platform is located right above the workbench, a gear shaping machining part is arranged on the installation platform and used for performing gear shaping machining/chamfering machining/drilling machining on the gear blank workpieces, the gear shaping machining part comprises a plurality of cutter heads and can machine a plurality of gear blank pieces of the same model at the same time, a rotary driving part used for connecting the vertical column and the lathe bed is arranged between the vertical column and used for transmitting the power of the rotary driving part to the gear shaping machining part and driving the gear shaping machining part to perform gear shaping machining And (4) chamfering, wherein the rotating driving part can adjust the integral rotating radius of the gear shaping processing part.
2. The numerical control machine tool for gear machining according to claim 1, wherein the gear shaping member includes a rectangular elevating arm which is inserted into the mounting table and is slidable up and down, the elevating arm is vertically arranged in a length direction and is arranged in a width direction of the machine bed, the elevating arm and the mounting table are slidably guided in a vertical direction, the elevating arm is switchable between a high position state and a low position state and is in a high position state in an initial state, one end of the elevating arm is located above the mounting table and the other end of the elevating arm is located below the mounting table, a lower end of the elevating arm is provided with a connecting mechanism which extends outward, an extending end of the connecting mechanism is provided with three tool rests which are arranged in three points, one of the tool rests corresponds to one side surface of the elevating arm in the width direction, the other tool rest corresponds to the other side surface of the elevating arm in the width direction, and the other tool rest corresponds to the other, The gear blank clamping device is characterized in that a tool rest corresponds to one end face of a lifting arm, which is far away from an upright column, a vertically-arranged drilling and milling motor is fixedly mounted on the tool rest, an output shaft of the drilling and milling motor is vertically and downwards arranged, a cutter is detachably arranged on the output shaft, the cutter is a slotting cutter/milling cutter/drilling cutter, the lifting arm in a high position enables the cutter to be positioned above a clamped gear blank, the lifting arm in a low position enables the cutter to be positioned below the clamped gear blank, three self-centering clamping stations are arranged on a workbench and correspond to the cutters one to one, the cutters can rotate around the axis of the clamped gear blank, the rotating radius of the cutters is adjustable, and a lifting driving mechanism for driving the lifting arms to reciprocate up and down is fixedly mounted on the mounting table.
3. The multifunctional numerical control gear machining machine tool according to claim 2, characterized in that: the lower end of the upright column is fixedly provided with a rectangular lead plate, the length direction of the lead plate is parallel to the length direction of the lathe bed, the width direction of the lead plate is parallel to the width direction of the lathe bed, a first guide rail and a second guide rail which are used for connecting the lead plate and the lathe bed are arranged between the lead plate and the lathe bed, the lead plate and the first guide rail form sliding guide fit along the length direction parallel to the lathe bed, the first guide rail and the second guide rail form sliding guide fit along the width direction parallel to the lathe bed, and the second guide rail is fixedly connected with the.
4. A multifunctional gear machining numerical control machine tool according to claim 3, characterized in that: the fixed rectangle guide cylinder that cup joints in the outside and upper and lower both ends opening of lifing arm and arrange that is provided with the activity of mount table up end, guide cylinder edge is corresponding with the edge of lifing arm, set up the mounting groove corresponding rather than edge on the inner wall of guide cylinder, the mounting groove runs through from top to bottom, the mounting groove internal rotation is provided with the axial of the axis of rotation that rubber guide pulley and mounting groove and rubber guide pulley rotation junction constitute and is on a parallel with the groove width direction of mounting groove, the guide pulley is provided with two and arranges from top to bottom, one of them guide pulley is close to the upper end of guide cylinder, another guide pulley is close to the lower extreme of guide cylinder, the edge activity joint of lif.
5. The multifunctional numerical control gear machining machine tool according to claim 4, characterized in that: the lifting driving mechanism comprises two supporting frames fixedly arranged on the upper end face of the mounting table, the two supporting frames are symmetrically arranged along the length direction of the mounting table, a crankshaft axially parallel to the width direction of the mounting table is rotatably arranged between the two supporting frames, the top of the lifting arm is provided with a horizontally extending sleeved hole, the central line direction of the sleeved hole is parallel to the axial line direction of the crankshaft, the sleeved hole is sleeved on the crankshaft along the axial middle position of the crankshaft, and the crankshaft is movably arranged in the sleeved hole along the length direction parallel to the mounting table;
the end part of the crankshaft parallel to the axial direction of the crankshaft is a driving end and is coaxially sleeved with a flywheel, the lifting driving mechanism also comprises a transmission shaft which is rotatably arranged on the upright post and is axially parallel to the axial direction of the crankshaft, and a lifting driving motor which is fixedly arranged on the upright post, wherein the lifting driving motor is a stepping motor, the axial direction of an output shaft of the lifting driving motor is parallel to the axial direction of the transmission shaft, a second belt transmission component which is used for connecting the lifting driving motor and the transmission shaft is arranged between the lifting driving motor and the driving end of the transmission shaft, the second belt transmission component comprises a second driving belt wheel which is coaxially and fixedly sleeved on the output shaft of the lifting driving gear, a second driven belt wheel which is coaxially and fixedly sleeved on the driving end of the transmission shaft, and a second, a first belt transmission assembly for connecting the output end of the transmission shaft and the driving end of the driving shaft is arranged between the output end of the transmission shaft and the driving end of the driving shaft;
the first belt transmission assembly is provided with two belt transmission assemblies which are symmetrically arranged along the length direction parallel to the mounting table, the first belt transmission assembly is located between the support frame and the flywheel, the first belt transmission assembly comprises a first driving belt wheel which is coaxially and fixedly sleeved on the output end of the transmission shaft, a first driven belt wheel which is coaxially and fixedly sleeved on the driving end of the crankshaft, and a first belt which is arranged between the first driving belt wheel and the first driven belt wheel and is used for connecting the first driving belt wheel and the first driven belt wheel.
6. The multifunctional numerical control gear machining machine tool according to claim 5, characterized in that: the rotary driving part is arranged between the lower end faces of the lathe bed and the lead plate, the rotary driving part comprises a rotary main shaft which is rotatably arranged in the lathe bed and is vertically arranged, the rotary main shaft is provided with two rotary main shafts which are symmetrically arranged along the width direction of the lathe bed, the top end of the rotary main shaft is provided with a rectangular rotary frame which is horizontally arranged, the rotary frame is fixedly connected with the top end of the rotary main shaft along the middle position of the length direction of the rotary frame, a driving block is movably arranged on the rotary frame, the driving block is located at the eccentric position of the rotary main shaft in the circumferential direction and the eccentric distance is equal to the radius of the circumference of the tool in which the cutter moves around along the gear blank, the eccentric distance of the driving block in the circumferential direction of the rotary.
7. The multifunctional numerical control machine tool for gear machining according to claim 6, wherein a synchronous transmission assembly for connecting the two rotating main shafts is arranged between the two rotating main shafts, the synchronous transmission assembly is a belt transmission synchronous transmission assembly, the rotating driving part further comprises a power source, the power source comprises a rotating stepping motor fixedly installed in the machine body, an output shaft of the rotating stepping motor is axially parallel to the length direction of the machine body, a worm is coaxially and fixedly arranged on the output shaft of the rotating stepping motor, and a turbine is coaxially and fixedly sleeved on one of the rotating main shafts and meshed with the worm.
8. The multifunctional numerical control gear machining machine tool according to claim 7, characterized in that: offer the opening on the swivel mount and upwards just follow the spout that its length direction arranged, the drive block activity inlays locates in the spout and can slide along its length direction, the spout internal rotation is provided with the reducing accommodate the lead screw that is on a parallel with its length direction and arranges, the drive block activity cup joints in the outside of reducing accommodate the lead screw and both constitute the threaded connection cooperation, the end position fixed mounting of the one end of length direction is followed to the swivel mount has reducing accommodate the motor, reducing accommodate the motor's output shaft and the coaxial fixed connection of drive end of reducing accommodate the lead screw.
9. The multifunctional numerical control gear machining machine tool according to claim 7, characterized in that: one end of the rotating frame, which is far away from the reducing adjusting motor, is provided with a second balancing weight used for balancing the rotating potential energy of the reducing adjusting motor, and the rotating frame is also provided with a first balancing weight used for balancing the rotating potential energy of the driving block.
10. A multifunctional gear machining numerical control machine tool according to claim 8 or 9, characterized in that: the lifting arm is arranged in a hollow manner, the connecting mechanism is arranged in the lifting arm and extends to the outside of the lifting arm, the connecting mechanism comprises a double-connecting rod which is arranged between the lifting arm and the tool rest and is used for being hinged with the lifting arm and the tool rest, the axial direction of a hinge shaft formed by the hinged positions of the double-connecting rod and the lifting arm is vertical to the length direction of the lifting arm, the axial direction of the hinge shaft formed by the hinged positions of the double-connecting rod and the tool rest is vertical to the length direction of the lifting arm, the double-connecting rod is in a horizontal state in an initial state, the connecting mechanism also comprises a sliding block which is arranged in the lifting arm and can slide up and down along the vertical direction, a lug which extends to the outside of the lifting arm is arranged on the side surface of the sliding block and can slide up and down along the lifting arm, a connecting rod which is used for being hinged with the lug and the double-connecting rod is arranged between the lug, the lifting adjusting motor is fixedly connected with the inside of the lifting arm and is arranged right above the sliding block, an output shaft of the lifting adjusting motor is vertically arranged downwards, a lifting adjusting screw rod is arranged between the output shaft and the fixing block, one end of the lifting adjusting screw rod is connected and matched with the lifting adjusting motor through the coaxial fixed connection of the output shaft and the other end of the lifting adjusting screw rod in a rotating mode, and the fixing block is sleeved outside the lifting adjusting screw rod and is in threaded connection and matched with the lifting adjusting screw rod.
CN201910596596.9A 2019-07-04 2019-07-04 Multifunctional gear machining numerical control machine tool Active CN110293402B (en)

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CN208467436U (en) * 2017-07-03 2019-02-05 河北科鑫螺旋齿轮有限公司 A kind of novel gear shapping machine

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CN86210181U (en) * 1986-12-13 1987-11-07 哈尔滨船舶工程学院 Multifunction machine tool for machining cycloid workpiece
CN202377618U (en) * 2011-12-30 2012-08-15 浙江浦江齿轮有限公司 Synchronous deburring device for gear shaping
CN104339175A (en) * 2013-08-08 2015-02-11 利勃海尔-齿轮技术有限责任公司 Machine tool and method for the machining of workpieces having at least two separate machining units
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