CN110497041A - Piece-holder component in gear-hobbing machine - Google Patents
Piece-holder component in gear-hobbing machine Download PDFInfo
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- CN110497041A CN110497041A CN201910860150.2A CN201910860150A CN110497041A CN 110497041 A CN110497041 A CN 110497041A CN 201910860150 A CN201910860150 A CN 201910860150A CN 110497041 A CN110497041 A CN 110497041A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/02—Loading, unloading or chucking arrangements for workpieces
- B23F23/06—Chucking arrangements
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Abstract
Piece-holder component in gear-hobbing machine, the piece-holder component, including the main clamp holder being oppositely arranged and sub-folder seat, the main clamp holder includes main clamp holder motor and main clamp holder main body, the main shaft rotated with motor shaft is equipped in the main clamp holder main body, the outer end of the main shaft is equipped with the clamping piece for clamping workpiece；The sub-folder seat includes sub-folder seat motor and sub-folder seat main body, and the auxiliary spindle rotated with motor shaft is equipped in the sub-folder seat main body, and the outer end of the auxiliary spindle is equipped with the arrived piece for resisting workpiece.Piece-holder component of the invention, to the firm grip of workpiece in process, stabilization of equipment performance is high, and machining accuracy is high；Piece-holder component uses independent double rotational structures, and clamping stability is high when processing, while the collet locking device structure in main clamp holder is novel, is integrated on main shaft, and small in size, concentricity is good, and control precision is high.
Description
Technical field
The invention belongs to gear-hobbing machine equipment technical fields, and in particular to the piece-holder component in a kind of gear-hobbing machine.
Background technique
Gear-hobbing machine is workpiece, a kind of lathe used in Gear Processing process, on gear-hobbing machine machinable straight-tooth, helical teeth,
Roller gear, also processable worm gear, sprocket wheel etc.；Gear-hobbing machine is widely used in automobile, tractor, lathe, engineering machinery, mining machine
In the various machinery manufacturing industry such as tool, metallurgical machinery, petroleum, instrument, aircraft spacecraft.
In the prior art, gear-hobbing machine is widely used in handware manufacture field, and function and structure is also varied.
Such as, notification number is to disclose a kind of gear-hobbing machine comprising rack, setting in the Chinese utility model patent of CN209256016U
In the driving mechanism in rack and the clamping device for clamping workpiece, the hob cutter mechanism that is set in driving mechanism, and lead to
It crosses control cutter horizontal sliding, rotation and locks, to regulate and control out optimal Working position, and be aided with brush unit and clean knife online
Tool, while taking into account efficient, can improve the processing quality to workpiece.For another example, the China that notification number is CN205798610U is real
With in new patent, disclosing a kind of high speed gear hobber, including motor, servo motor, press strip, bottom plate of turntable, planetary reduction gear
Machine and gear hobbing machine base, stability is good, and rigidity is high, is equipped with shaft coupling and gear-hobbing machine screw rod, and shaft coupling drives gear-hobbing machine screw rod to turn
Dynamic, so that press strip be driven to move back and forth on guide rail, low noise is easy to operate and control.For another example, notification number is
In the Chinese utility model patent of CN207171117U, a kind of gear-hobbing machine, including gear-hobbing machine ontology are disclosed, further includes: with institute
The first power head that the output end of gear-hobbing machine ontology is detachably connected is stated, the output end of the gear-hobbing machine ontology is able to drive described
The movement of first power head, and first power head movement can process external tooth；It is removable with the output end of the gear-hobbing machine ontology
Unload the transmission body of connection, the output end of the gear-hobbing machine ontology be able to drive the transmission body operate so that the transmission body it is defeated
Outlet movement；The second power head that can be fixedly connected with the output end of the transmission body, second power head can be processed
Internal tooth.The structure design of the gear-hobbing machine can efficiently solve the problem of existing equipment is only capable of processing internal tooth or external tooth.
Above as can be seen that the work holder in gear-hobbing machine is critically important structure, to gear hobbing operation it is smooth into
Capable and machining accuracy raising has substantial connection.Therefore, the application is studied on piece-holder component.
Summary of the invention
For the above deficiency in the prior art, the present invention provides the piece-holder component in a kind of gear-hobbing machine, processing
In the process to the firm grip of workpiece, stabilization of equipment performance is high, and machining accuracy is high.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals.
Piece-holder component in gear-hobbing machine, the piece-holder component, including the main clamp holder being oppositely arranged and sub-folder seat,
The main clamp holder includes main clamp holder motor and main clamp holder main body, is equipped in the main clamp holder main body and turns with the master that motor shaft rotates
Axis, the outer end of the main shaft are equipped with the clamping piece for clamping workpiece；The sub-folder seat includes sub-folder seat motor and sub-folder seat
Main body is equipped with auxiliary spindle rotate with motor shaft in the sub-folder seat main body, and the outer end of the auxiliary spindle is equipped with for resisting work
The arrived piece of part.In the structure, main clamp holder clamps one end of workpiece by clamping piece thereon, and sub-folder seat is against the other end of workpiece
On, by workpiece stable holding.Simultaneously in the application, main shaft and auxiliary spindle have independent motor control to rotate, work pieces process
When two motors rotate synchronously, guarantee that workpiece slow-roll stabilization precision is high.In many gear-hobbing machines in the prior art, main shaft rotation
And auxiliary spindle does not rotate actively, is only servo-actuated, and is easy to happen the phenomenon that blocking, and work pieces process is easily caused to fail, and disappears in the application
In addition to this problem.
In a kind of preferred embodiment, in main clamp holder, the clamping piece include set on main shaft outer end base of the carrier head and
Collet on the base of the carrier head, the collet are connected with collet locking device, and the collet locking device stretches the collet
Contracting, realizes the clamping and release of collet.In the structure, collet is preferably the collet of jack catchs type, and collet is to moving inside main shaft
When, collet clamps, and to when moving outside main shaft, collet unclamps collet, can be used for loading and unloading.
In a kind of preferred embodiment, in main clamp holder, the collet locking device includes being connected with the end of collet
Traction piece, the traction piece are set in the hollow cavity of main shaft；Oil pocket is equipped in the main clamp holder main body, main shaft is from the oil pocket
In pass through, piston is equipped in the oil pocket, the piston can move back and forth in oil pocket under hydraulic oil effect；The piston moves
Drive traction piece mobile when dynamic.In traditional gear-hobbing machine, collet locking device is generally external device, and structure is complicated, and volume is big,
It is driven cumbersome, is easy to be out of order.In the application, collet locking device is integrated into main shaft, small in size, integrated level is high, and
Coaxial with main shaft, transmission facilitates precision height.Hydraulic fluid port there are two setting on the outer wall of oil pocket, is connected with hydraulic oil system for supplying
Oil.Fuel feeding corresponds respectively to the reciprocating movement of piston in two hydraulic fluid ports: a hydraulic fluid port fuel feeding, another hydraulic fluid port is fuel-displaced, can make
Piston is mobile toward side, drives collet mobile by traction piece at this time, realizes the locking of collet；When fuel feeding and fuel-displaced hydraulic fluid port tune
After changing, piston can be made mobile toward the other side, collet reverse movement is driven by traction piece at this time, realizes the release of collet, is grasped
Facilitate.
In a kind of preferred embodiment, in main clamp holder, one end of the traction piece is connected on traction seat, the traction
Seat is equipped with the trussed shore for stretching out main shaft, and the length of the shaft side opening stretched out on main shaft for trussed shore >=piston reciprocating moves
Dynamic distance keeps piston movement unrestricted；The outer end of the trussed shore is fixed in trussed shore mounting base；The piston bush exists
On main shaft, and piston is equipped with assembly cavity towards the side of main shaft, and the trussed shore mounting base is placed in the assembly cavity.The knot
In structure, compact, ensuring smooth transmission is assembled, trussed shore mounting base synchronizing moving can be driven when piston moves left and right, and then drive and lead
Draw column, traction seat, traction piece to move together.
In a kind of preferred embodiment, in main clamp holder, the traction piece, traction seat, collet, trussed shore, trussed shore peace
Dress seat is rotated synchronously with main shaft, and piston bearing, lubricity are equipped between the trussed shore mounting base and the side wall of assembly cavity
It can be good.
In a kind of preferred embodiment, in sub-folder seat, the arrived piece includes the arrived piece mounting base set on auxiliary spindle outer end
With the support rod being set in the arrived piece mounting base, the end for resisting workpiece is stretched out in the outer end of the support rod；The arrived piece installation
Arrived piece spring is equipped in seat, one end of the arrived piece spring and the end of support rod offset, and the other end offsets with arrived piece nut, described
The rotatable progress of arrived piece nut is apart from adjustment.In the structure, support rod limit is set in arrived piece mounting base, it is not easy to be deviate from, and can
The relative movement for carrying out certain distance can be finely adjusted its distance, by rotating arrived piece nut so as to adjust arrived piece spring
Compressible amount, adjustment support rod be against the pressure on workpiece.
Compared with prior art, the invention has the following advantages: providing the piece-holder group in a kind of gear-hobbing machine
Part, to the firm grip of workpiece in process, stabilization of equipment performance is high, and machining accuracy is high；Piece-holder component uses independent
Double rotational structures, clamping stability is high when processing, while the collet locking device structure in main clamp holder is novel, is integrated in main turn
Small in size on axis, concentricity is good, and control precision is high.
Detailed description of the invention
Fig. 1 is the front view of the gear-hobbing machine system in the application.
Fig. 2 is the perspective view one of the gear-hobbing machine system in the application.
Fig. 3 is the perspective view two of the gear-hobbing machine system in the application.
Fig. 4 is the section view state diagram of the gear-hobbing machine system in the application.
Fig. 5 is part main clamp holder in the gear-hobbing machine system of the application, part sub-folder seat, the section view signal at cutter head structure
Figure.
Fig. 6 is the schematic cross-sectional view of the part main clamp holder in the gear-hobbing machine system of the application.
Fig. 7 is the schematic cross-sectional view of the part sub-folder seat in the gear-hobbing machine system of the application.
Fig. 8 is the perspective view of the main clamp holder in the gear-hobbing machine system of the application.
Fig. 9 is the perspective view of the main clamp holder of the omission shell in the gear-hobbing machine system of the application.
Figure 10 is the perspective view of the sub-folder seat in the gear-hobbing machine system of the application.
Figure 11 is the perspective view of the sub-folder seat of the omission shell in the gear-hobbing machine system of the application.
Figure 12 is the perspective view of the part-structure of the mobile holder assembly in the gear-hobbing machine system of the application.
Figure 13 is the perspective view one of the cutter head drive seat in the gear-hobbing machine system of the application.
Figure 14 is the perspective view two of the cutter head drive seat in the gear-hobbing machine system of the application.
Figure 15 is the perspective view of the cutter head drive seat of the omission shell in the gear-hobbing machine system of the application.
Figure 16 is the cross-sectional view one of the cutter head drive seat in the gear-hobbing machine system of the application.
Figure 17 is the cross-sectional view two of the cutter head drive seat in the gear-hobbing machine system of the application.
Figure 18 is the perspective view of the cutter head lifters in the gear-hobbing machine system of the application.
Figure 19 is the side view of the cutter head lifters in the gear-hobbing machine system of the application.
Figure 20 is the perspective view of the lifter plate in the gear-hobbing machine system of the application.
Figure 21 is the perspective view of cutter head in the gear-hobbing machine system of the application, tool tip and cutter head pedestal.
Figure 22 is the bottom view of cutter head in the gear-hobbing machine system of the application, tool tip and cutter head pedestal.
Figure 23 is the top view of the feed system and partial movement holder assembly in the application.
Figure 24 is the perspective view one of the feed system and partial movement holder assembly in the application.
Figure 25 is the perspective view two of the feed system and partial movement holder assembly in the application.
Figure 26 is the front view of the feed system in the application.
Figure 27 is the perspective view one of the feed system in the application.
Figure 28 is the perspective view two of the feed system in the application.
Figure 29 is the enlarged drawing of the a-quadrant in Figure 27.
Figure 30 is the enlarged drawing of the B area in Figure 28.
Figure 31 is the enlarged drawing in the region C in Figure 28.
Figure 32 is the perspective view of the loading bracket in the feed system of the application.
Figure 33 is the perspective view of the charging frame in the feed system of the application.
Figure 34 is the perspective view of the workpiece blanking frame in the feed system of the application.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing.
In following implementation, same or similar label indicates same or similar original part or has identical from beginning to end
Or the original part of similar functions, it is exemplary below by way of the embodiment being described with reference to the drawings, for explaining only the invention, and
It is not considered as limiting the invention.
In description of the invention, it is to be understood that term: center, longitudinally, laterally, length, width, thickness, it is upper and lower,
The indicating positions such as front, rear, left and right, vertical, level, top, bottom, inside and outside, clockwise, counterclockwise or positional relationship are based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of description of the present invention and simplification of the description, therefore should not be understood as to the present invention
Limitation.In addition, term: first, second etc. be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or
Implicitly indicate the quantity of shown technical characteristic.In description of the invention unless specifically defined or limited otherwise, term: installation,
Connected, connection etc. shall be understood in a broad sense, and those skilled in the art can understand above-mentioned term at this as the case may be
Concrete meaning in practicability.
Referring to figs. 1 to Figure 34, one of the application has the automatic hobbing machine of automatic feeding system, including gear-hobbing machine system
System and feed system, the gear-hobbing machine system include mobile holder assembly, piece-holder component, cutter head assembly；The feed system
Including feeding assembly, conveying assembly, loading and unloading component；Specific structure is as follows.
Mobile holder assembly 4, including clamp assemblies pedestal 45 and cutter head assembly pedestal 46, the clamp assemblies pedestal 45 and knife
Slide type rail system is equipped on head assembly pedestal 46；The piece-holder component is set on clamp assemblies pedestal 45, and passes through lead screw
Device realizes movement；The cutter head assembly is set on cutter head assembly pedestal 46, and is realized and moved by feed screw apparatus.The structure
In, mobile holder assembly 4 to thereon piece-holder component and cutter head assembly provide and continue well, stability is good, when work not
It can shake or shake.Slide type rail system and feed screw apparatus cooperation can guarantee that the movement of piece-holder component and cutter head assembly is suitable simultaneously
Sharp and stable, controllability is strong, and processing precision of products is high.
Specifically, the slide type rail system includes being set to clamp assemblies pedestal 45 and cutter head in the mobile holder assembly 4 of the application
Sliding rail installation position 431 on unitized substructure 46, the sliding rail installation position 431 are equipped with Mobile base sliding rail 43, the clamp assemblies
The bottom of pedestal 45 and cutter head assembly pedestal 46 is movably disposed on Mobile base sliding rail 43 by sliding rail, overall structure assembly side
Just, precision and high directivity when mobile, guarantee Workpiece Machining Accuracy.The feed screw apparatus includes being set in clamp assemblies pedestal 45
Clamp assemblies lead screw and driving motor；It further include the cutter head assembly lead screw and cutter head assembly silk in cutter head assembly pedestal 46
Thick stick driving motor 47, feed screw apparatus keep piece-holder component and cutter head assembly mobile accuracy high.The clamp assemblies lead screw includes
Main clamp holder lead screw 411 and sub-folder seat lead screw 421；The main clamp holder lead screw 411 is driven by main clamp holder spindle motor 41, the main folder
Seat main body 12 is assemblied on main clamp holder lead screw 411 by main swivel nut 412 and realizes transmission；The sub-folder seat lead screw 421 is by sub-folder seat
Spindle motor 42 drives, and the sub-folder seat main body 22 passes through secondary swivel nut 422 and is assemblied in realization biography function on sub-folder seat lead screw 421.It should
In structure, main clamp holder 1 and sub-folder seat 2 are controlled by independent feed screw apparatus and spindle motor respectively, can independently be moved
Dynamic, creative strong, position accommodative facility is high.
Piece-holder component, including the main clamp holder 1 being oppositely arranged and sub-folder seat 2, the main clamp holder 1 includes main clamp holder motor
11 and main clamp holder main body 12, the main shaft 15 rotated with the axle portion 16 of main clamp holder motor 11 is equipped in the main clamp holder main body 12,
The outer end of the main shaft 15 is equipped with the clamping piece for clamping workpiece；The sub-folder seat 2 includes sub-folder seat motor 21 and sub-folder
Seat main body 22, the auxiliary spindle 25 rotated with motor shaft is equipped in the sub-folder seat main body 22, the outer end of the auxiliary spindle 25 is equipped with
For resisting the arrived piece of workpiece, main clamp holder 1 is set on first movement seat 13, and sub-folder seat 2 is set on the second moving member 14.The structure
In, main clamp holder 1 clamps one end of workpiece by clamping piece thereon, and sub-folder seat 2 is against on the other end of workpiece, and workpiece is stablized
Clamping.Simultaneously in the application, main shaft 15 and auxiliary spindle 25 have independent motor control to rotate, two motors when work pieces process
It rotates synchronously, guarantees that workpiece slow-roll stabilization precision is high.In many gear-hobbing machines in the prior art, main shaft rotation and auxiliary spindle not
It actively rotates, is only servo-actuated, is easy to happen the phenomenon that blocking, work pieces process is easily caused to fail, this is eliminated in the application and is asked
Topic.
Main clamp holder 1 and sub-folder seat 2 from the point of view of in detail below in the application.
In main clamp holder 1, the clamping piece includes set on the base of the carrier head 152 of 15 outer end of main shaft and set on the base of the carrier head 152
On collet 151, the collet 151 is connected with collet locking device, and the collet locking device keeps the collet 151 flexible,
Realize the clamping and release of collet 151.In the structure, collet 151 is preferably the collet of jack catchs type, and collet 151 is to main shaft 15
When inside is mobile, collet is clamped, and to when moving outside main shaft 15, collet unclamps collet 151, can be used for loading and unloading.
Specifically, the collet locking device includes the traction piece 17 being connected with the end of collet 151, the traction piece 17
In the hollow cavity of main shaft 15；Oil pocket 192 is equipped in the main clamp holder main body 12, main shaft 15 is worn from the oil pocket 192
It crosses, piston 19 is equipped in the oil pocket 192, the piston 19 can move back and forth in oil pocket 192 under hydraulic oil effect；It is described
Drive traction piece 17 mobile when piston 19 is mobile.In traditional gear-hobbing machine, collet locking device is generally external device, and structure is multiple
Miscellaneous, volume is big, and transmission is cumbersome, is easy to be out of order.In the application, collet locking device is integrated into main shaft 15, it is small in size,
Integrated level is high, and coaxial with main shaft 15, and transmission facilitates precision height.Set on the outer wall of oil pocket 192 there are two hydraulic fluid port, with it is hydraulic
Oil system is connected for fuel feeding.Fuel feeding corresponds respectively to the reciprocating movement of piston 19: a hydraulic fluid port fuel feeding in two hydraulic fluid ports, another
A hydraulic fluid port is fuel-displaced, and piston 19 can be made mobile toward side, drives collet 151 mobile by traction piece 17 at this time, realizes collet
Locking；After fuel feeding and fuel-displaced hydraulic fluid port are exchanged, piston 19 can be made mobile toward the other side, folder is driven by traction piece 17 at this time
First 151 reverse movement, realizes the release of collet, easy to operate.
Specifically, one end of the traction piece 17 is connected on traction seat 18 in main clamp holder 1, set on the traction seat 18
Length >=the work for the shaft side opening 159 for having the trussed shore 191 for stretching out main shaft 15, and being stretched out on main shaft 15 for trussed shore 191
The distance that plug 19 moves back and forth keeps piston movement unrestricted；The outer end of the trussed shore 191 is fixed on trussed shore mounting base
On 194；19 sets of the piston is on main shaft 15, and piston 19 is equipped with assembly cavity, the traction towards the side of main shaft 15
Column mounting base 194 is placed in the assembly cavity.In the structure, compact, ensuring smooth transmission is assembled, can be driven when piston 19 moves left and right
194 synchronizing moving of trussed shore mounting base, and then trussed shore 191, traction seat 18, traction piece 17 is driven to move together.The traction
Part 17, traction seat 18, collet 151, trussed shore 191, trussed shore mounting base 194 are rotated synchronously with main shaft 15, the traction
Piston bearing 195 is equipped between column mounting base 194 and the side wall of assembly cavity, greasy property is good.
In sub-folder seat 2, the arrived piece includes installing set on the arrived piece mounting base 24 of 25 outer end of auxiliary spindle and set on the arrived piece
Support rod 23 in seat 24, the end for resisting workpiece is stretched out in the outer end of the support rod 23；It is equipped in the arrived piece mounting base 24
Arrived piece spring 231, one end of the arrived piece spring 231 and the end of support rod 23 offset, and the other end offsets with arrived piece nut 232,
The rotatable progress of the arrived piece nut 232 is apart from adjustment.In the structure, the limit of support rod 23 is set in arrived piece mounting base 24, is not allowed
Easily abjection, such as by limiting groove, limited step, and the relative movement of certain distance can be carried out, by rotating arrived piece nut
232, its distance can be finely adjusted, so as to adjust the compressible amount of arrived piece spring 231, adjust support rod 23 and be against on workpiece
Pressure.
Cutter head assembly, including cutter head drive seat 5 and cutter head lifters 3；The cutter head drive seat 5 includes that cutter head drives main body
52, the two sides of the cutter head driving main body 52 are equipped with flank section 521, for installing sliding block and assembling on the slide rail, the cutter head
It drives and is equipped with cutter head drive shaft 54 in main body 52, the cutter head drive shaft 54 cooperates with the transmission of cutter head driving motor 51, should
Cutter head driving motor 51 is rotated with dynamic cutter head drive shaft 54, and the outside of the cutter head drive shaft 54 is fixed by mounting disc 53
There are cutter head lifters 3；The cutter head lifters 3 include cutter head lifting body 37, and the cutter head lifting body 37 is equipped with lifting
Device, the lifting device band dynamic cutter head pair are gone up and down, and the cutter head pair includes lifter plate 36, is fixed with knife on the lifter plate 36
Head control piece, the cutter head control piece are equipped with cutter head 35；Sliding rail is equipped between the lifter plate 36 and cutter head lifting body 37
System.In the structure, cutter head drive seat 5 can be moved forward and backward, and cutter head drive shaft 54 therein is moved forward and backward, cutter head lifters 3
In cutter head 35 can move up and down, therefore cutter head has the freedom of motion in multiple directions, and process flexibility is high；And pass through cunning
Precision is high when rail system ensure that mobile.
Cutter head drive seat 5 and cutter head lifters 3 from the point of view of in detail below in the application.
Specifically, the cutter head driving main body 52 is removable to be set to cutter head assembly pedestal in the cutter head drive seat 5 of the application
On 46, such as pass through feed screw apparatus；The shaft driving transmission gear 512 of the cutter head driving motor 51 rotates, the cutter head driving
The periphery of shaft 54 is equipped with rack gear 542, the transmission gear 512 and 542 engaged transmission of rack gear, reaches control cutter head drive shaft
The purpose of 54 rotations.In addition, be equipped with moveable lock ring 551 in cutter head driving main body 52, the side of the lock ring 551 by
It can be mobile to the other side after to oil pressure；It is against on the step surface 541 of the cutter head drive shaft 54 after the lock ring 551 is mobile.
In the structure, the side of lock ring 551 is equipped with oil filler point 55, and after fuel feeding, oil pressure makes to be against on step surface 541 after lock ring is mobile, increases
Big frictional force achievees the purpose that locked cutter head drive shaft 54, prevents the slight biased in workpiece process, improves product and adds
Work precision.
In the cutter head drive seat 5 of the application, one end of the cutter head driving main body 52 is for assembling cutter head lifters 3, separately
One end is equipped with end cap 57, and the inside of the end cap 57 is equipped with disc spring 545 and thrust ring 546.In the structure, disc spring 545 and thrust
Ring 546 provides pressure and cutter head drive shaft 54 is pressed to side always, and the biased in axial direction improves processing precision of products.
In the cutter head lifters 3 of the application, the lifting device in the cutter head lifting body 37 is feed screw apparatus, the lead screw
Elevating screw 381 in device is driven by lifting motor 38, and the cutter head pair is fixed on the lifting swivel nut 382 in the feed screw apparatus
On, easy to control, lifting distance precision is high.Slide type rail system in cutter head lifters 3 includes being set on cutter head lifting body 37
Lifting sliding rail 371 and the lifting slider 361 on lifter plate 36, the lifting slider 361 are slided with the cooperation of lifting sliding rail 371
It is dynamic, guarantee that precision and directionality when lifting moving, controllability are high.
In addition, the lifting slider 361 is equipped with inlet nozzle 366, the inlet nozzle in the cutter head lifters 3 of the application
366 communicate with the oil pocket in lifting slider 361, moveable stops are equipped in the oil pocket, the stops is against after oil pocket oil inlet
Increase frictional force on lifting sliding rail 371.In the structure, after being elevated to the height of needs, 366 fuel feeding of inlet nozzle makes stops be pressed in liter
It drops on sliding rail 371, achievees the purpose that locked, prevent biased, improve processing precision of products.
Cutter head control piece in the cutter head lifters 3 of the application includes cutter head motor 31, cutter head control main body 32, the knife
The lower section of head control main body 32 is fixed with cutter head 35, and the lower end of the cutter head 35 is set in tool tip 34, and the tool tip 34 is set
In on cutter head pedestal 341, cutter head pedestal 341 is preferably the pedestal for being built-in with bearing, cooperates the rotation of cutter head in process.Tool
Body, the cutter head pedestal 341 is fixed on lifter plate 36, and the cutter head pedestal 341 is equipped with the briquetting of adjustable-tightness
342, which is pressed in tool tip 34 on cutter head pedestal 341, and contact of incline plane between briquetting 342 and tool tip 34.The knot
In structure, after unclamping briquetting 342, the distance up and down of tool tip 34 can be finely adjusted；Removing can more tool changing after briquetting 342
Head；When work, briquetting 342 assembles by screw and compresses tool tip 34, prevents vibration biased, improves processing precision of products.
Feeding assembly, including charging frame body 66, the charging frame body 66 is equipped with charging frame 63, discharging push piece 621, described
The workpiece fed in 63 top discharge mouth of frame is pushed on conveying assembly by discharging push piece 621 one by one；High degree of automation, workpiece is one by one
Push, is processed one by one, will not there is a phenomenon where block pause.
Specifically, the charging frame 63 includes stockpiling area 631 and feeding zone 633, the stockpiling area 631 in feeding assembly
It is separated between feeding zone 633 by partition 632, the workpiece in the feeding zone 633 falls one by one；Under the charging frame 63
Portion is equipped with charging cylinder 64, is lifted a workpiece simultaneously from stockpiling area 631 when the telescopic shaft of the charging cylinder 64 ejects upwards
Drop into it in feeding zone 633.In the structure, workpiece to be processed is first stacked on stockpiling area 631, and one piece of stockpiling area 631
Side plate is inclined plate, under it is small big, more workpiece can be accommodated.In order to enter workpiece in conveying assembly one by one, no
There is a phenomenon where blocking, in the application, the upper top by feeding cylinder 64 acts on lifts workpiece from stockpiling area 631 one by one
It rises and drops into it in feeding zone 633, enter back into conveying assembly.The discharging push piece 621 will be most lower in feeding zone 633
The workpiece on side is pushed on conveying assembly one by one；The discharging push piece 621 is fixed in discharging cylinder 62.Optoelectronic switch can be cooperated
Or draw operation is carried out by program automatically, workpiece is pushed on conveying assembly one by one.
Conveying assembly is used for travelling workpiece, and/or for walking for workpiece.Specifically, conveying assembly includes being set to charging
The first conveying section 61 between component and loading and unloading component and the second conveying section 71 after loading and unloading component, are respectively used to
The workpiece for conveying workpiece to be processed and processing.In the application, the workpiece in first conveying section 61 is by discharging push piece 621
Thrust move forward, be covered with cover board on first conveying section 61, the workpiece in transmission process made not stack tilting；Institute
Stating the second conveying section 71 includes conveyer belt and feeder motor 79, and the feeder motor 79 drives conveyer belt circulation conveying.
Loading and unloading component, including loading assemblies, blanking component, pusher part；The loading assemblies include moveable feeding
Bracket 751, the loading bracket 751 are equipped with workpiece and place position 755, place workpiece on position 755 when loading bracket 751 is mobile
Workpiece be sent to Working position；The blanking component includes moveable receiving hopper 761, and the receiving hopper 761, which is moved to, to be added
Station catches the workpiece processed when setting lower section；The pusher part includes telescopic charging ram 721, and the charging ram 721 is used
It is pushed on conveying assembly in by the workpiece in receiving hopper 761.In the structure, operation of feeding and discharging can be automatically performed, work pieces process
After the completion, blanking component first starts to act, and receiving hopper 761 is moved to below Working position, then the release pair of piece-holder component
The clamping of workpiece falls to workpiece in receiving hopper 761, then blanking component return, and charging ram 721 will be in receiving hopper 761
Workpiece is pushed on conveying assembly, and at the same time, loading assemblies start to act, and loading bracket 751 is mobile to place workpiece on position 755
Workpiece be sent to Working position, fix workpiece by piece-holder component, start gear hobbing operation, alternately with this.
Specifically, the loading bracket 751 is set in upper flitch 752, and the upper flitch 752 is by feeding gas in the application
Cylinder 75 pushes, and can realize automatic charging operation by optoelectronic switch and process control.In the application, the loading bracket 751
Rotation is set in upper flitch 752, and torsional spring is equipped between loading bracket 751 and upper flitch 752, which is specifically located at feeding
In torsional spring mounting hole 754 on bracket 751.In the structure, it is concave configuration that workpiece, which places position 755, and workpiece can stablize placement
Wherein.After workpiece, which places the workpiece on position 755, to be clamped by piece-holder component, loading bracket 751 is in fall back process, energy
Enough lower rotations (overcoming torsional spring elastic force) that certain angle occurs of workpiece interference, retracting loading bracket 751 can go on smoothly, no
It can block.Meanwhile the setting of torsional spring makes loading bracket 751 be able to maintain horizontality in normal state, and workpiece is made to place position
Workpiece in 755 is not fallen out.
In the application, the receiving hopper 761 is pushed by receiving cylinder 76, and the receiving hopper 761 is placed in loading bracket 751
Lower section, for catching the workpiece processed.Specifically, the charging ram 721 is pushed by pusher cylinder 72, the charging ram 721
Workpiece in receiving hopper 761 is pushed into workpiece blanking frame 74, the discharge port of the workpiece blanking frame 74 is set on conveying assembly
Side.In the structure, automatic stocking operation is realized by optoelectronic switch and process control.The workpiece blanking frame 74 include inclined plate and
Blanking chamber 741, the workpiece in the blanking chamber 741 fall one by one.In the structure, being provided with for inclined plate is conducive to increase receiving section
Domain does not fall out workpiece, and the workpiece in blanking chamber 741 is fallen on down one by one on the second conveying section 71, is delivered to external workpiece and receives
It receives in basket.
The workflow of the automatic hobbing machine in the application is described below.
(1) feed: workpiece enters in the stockpiling area 631 in charging frame 63, and the telescopic shaft for then feeding cylinder 64 is upward
It stretches out, so that a workpiece is crossed partition 632 and drop into feeding zone 633.The workpiece 9 is in feeding zone 633 under the effect of gravity
Bottom, then discharging cylinder 62 works, and drives discharging push piece 621 mobile, the pusher portion 622 to discharge on push piece 621 pushes work
Part 9 moves on the first conveying section 61, conveys one by one.
(2) feeding: a workpiece 9 of the front end on the first conveying section 61 is pushed into the workpiece in loading bracket 751
It places in position 755, feeding cylinder 75 drives loading bracket 751 to stretch out, and workpiece 9 is brought on Working position, main clamp holder 1 and pair
Holder 2 is mutually drawn close, and workpiece 9 is clamped positioning, and then loading bracket 751 is retracted, and in feeding operation, can cooperate optoelectronic switch
77 are carried out automatically by process control.
(3) process: main clamp holder 1 and sub-folder seat 2 clamp workpiece, and main shaft 15 and auxiliary spindle 25 rotate synchronously, and drive workpiece 9
Rotation, while cutter head 35 carries out gear hobbing operation on workpiece 9.During being somebody's turn to do, main clamp holder 1 and sub-folder seat 2 can be in respective lead screws
The lower movement of device driving carries out position adjustment, while cutter head 35 can also guarantee gear hobbing operation with oscilaltion, rotation, advance and retreat
It goes on smoothly.
(4) blanking: after processing is completed, receiving cylinder 76 works workpiece 9, pushes receiving hopper 761 to forward extend out, makes receiving hopper
761 are in the lower section of workpiece 9, and then main clamp holder 1 and sub-folder seat 2 unclamp, and workpiece 9 is fallen on receiving hopper 761, then receiving hopper
761 retract.
(5) discharge: after receiving hopper 761 is retracted, pusher cylinder 72 pushes charging ram 721 to stretch out, by the work in receiving hopper 761
Part 9 is pushed into workpiece blanking frame 74, and the workpiece in blanking chamber 741 is fallen one by one on the second conveying section 71, is delivered to external workpiece
In storage basket.
In the application, the structure settings such as the motor on the table, being directed to, cylinder are can be set in automatic hobbing machine
On corresponding frame, assembly is stablized.The electric connection mode of the electric appliance units such as motor, cylinder in the application, switch control side
Formula is the prior art, and automation control may be implemented.
Above as can be seen that the present invention provides a kind of automatic hobbing machine with automatic feeding system, workpiece can be certainly
Dynamic conveying, automatic loading/unloading, and to the firm grip of workpiece in process, stabilization of equipment performance is high, and machining accuracy is high；Workpiece clamp
Component is held using independent double rotational structures, clamping stability is high when processing, while the collet locking device knot in main clamp holder
Structure is novel, is integrated on main shaft, and small in size, concentricity is good, and control precision is high.In addition, in the application, it is each in cutter head assembly
The lock function of a motion structure is good, and locking securely, guarantees that the precision of product processing is high.
Protection scope of the present invention includes but is not limited to embodiment of above, and protection scope of the present invention is with claims
Subject to, replacement, deformation, the improvement that those skilled in the art that any pair of this technology is made is readily apparent that each fall within of the invention
Protection scope.
Claims (4)
1. the piece-holder component in gear-hobbing machine, it is characterised in that: the piece-holder component, including the main clamp holder being oppositely arranged
(1) and sub-folder seat (2), the main clamp holder (1) include main clamp holder motor (11) and main clamp holder main body (12), the main clamp holder main body
(12) main shaft (15) rotated with motor shaft is equipped in, the outer end of the main shaft (15) is equipped with the clamping for clamping workpiece
Part；The sub-folder seat (2) includes sub-folder seat motor (21) and sub-folder seat main body (22), be equipped in the sub-folder seat main body (22) with
The auxiliary spindle (25) of motor shaft rotation, the outer end of the auxiliary spindle (25) are equipped with the arrived piece for resisting workpiece；
In main clamp holder (1), the clamping piece includes set on the base of the carrier head (152) of main shaft (15) outer end and set on the base of the carrier head
(152) collet (151) on, the collet (151) are connected with collet locking device, and the collet locking device makes the collet
(151) it stretches, realizes the clamping and release of collet (151)；
In sub-folder seat (2), the arrived piece includes pacifying set on the arrived piece mounting base (24) of auxiliary spindle (25) outer end and set on the arrived piece
The support rod (23) in seat (24) is filled, the end for resisting workpiece is stretched out in the outer end of the support rod (23)；The arrived piece mounting base
(24) arrived piece spring (231) are equipped in, one end of the arrived piece spring (231) and the end of support rod (23) offset, the other end and
Arrived piece nut (232) offsets, and the rotatable progress of arrived piece nut (232) is apart from adjustment.
2. the piece-holder component in gear-hobbing machine according to claim 1, which is characterized in that in main clamp holder (1), the folder
Head locking device includes the traction piece (17) being connected with the end of collet (151), and the traction piece (17) is set to main shaft (15)
Hollow cavity in；Oil pocket (192) are equipped in the main clamp holder main body (12), main shaft (15) is passed through from the oil pocket (192), institute
It states in oil pocket (192) and is equipped with piston (19), the piston (19) can move back and forth in oil pocket (192) under hydraulic oil effect；
Drive traction piece (17) mobile when the piston (19) is mobile.
3. the piece-holder component in gear-hobbing machine according to claim 2, which is characterized in that described to lead in main clamp holder (1)
The one end for drawing part (17) is connected on traction seat (18), and the traction seat (18) is equipped with the trussed shore for stretching out main shaft (15)
(191), length >=piston (19) of the shaft side opening (159) and on main shaft (15) stretched out for trussed shore (191) moves back and forth
Distance；The outer end of the trussed shore (191) is fixed on trussed shore mounting base (194)；The piston (19) covers in main shaft
(15) on, and piston (19) is equipped with assembly cavity towards the side of main shaft (15), and the trussed shore mounting base (194) is placed in the dress
With in chamber.
4. the piece-holder component in gear-hobbing machine according to claim 3, which is characterized in that described to lead in main clamp holder (1)
It is synchronous with main shaft (15) to draw part (17), traction seat (18), collet (151), trussed shore (191), trussed shore mounting base (194)
Rotation is equipped with piston bearing (195) between the trussed shore mounting base (194) and the side wall of assembly cavity.
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| CN201910860150.2A CN110497041B (en) | 2019-09-11 | 2019-09-11 | Workpiece clamping assembly in gear hobbing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910860150.2A CN110497041B (en) | 2019-09-11 | 2019-09-11 | Workpiece clamping assembly in gear hobbing machine |
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| CN110497041B CN110497041B (en) | 2021-05-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114633177A (en) * | 2022-03-14 | 2022-06-17 | 宁波邦一机械科技有限公司 | a grinding equipment |
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| CN110497041B (en) | 2021-05-07 |
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