CN105598728B - A kind of boring cutter installation method for being conducive to eliminate gap - Google Patents
A kind of boring cutter installation method for being conducive to eliminate gap Download PDFInfo
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- CN105598728B CN105598728B CN201610197741.2A CN201610197741A CN105598728B CN 105598728 B CN105598728 B CN 105598728B CN 201610197741 A CN201610197741 A CN 201610197741A CN 105598728 B CN105598728 B CN 105598728B
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- cutter
- wedge
- installation
- driving rack
- cutting
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/157—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools
Abstract
The invention discloses a kind of boring cutter installation methods for being conducive to eliminate gap, the cutter of boring tool device is along handle of a knife radially installed in Cutting tool installation manner groove, driving rack is provided in the installation handle portion of cutter and is used for and is driven input gear engagement realization cutter radial feeding transmission, it is characterized in that, two that driving rack is designed as side by side and misplacing, and inclined-plane fit structure at the side setting one that connects side by side between two driving racks, again cutter and Cutting tool installation manner groove axially back and forth between position corresponding wedge is set to form inclined-plane fit structure at second, the dislocation for being linked during installation by oblique fit structure at the insertion promotion drive two of wedge and being converted into two driving racks is moved, until two driving racks are close with transmission input gear engagement simultaneously, wedge is completed at this time fixes i.e. completion assembling.The present invention has the advantages that assembly manipulation is smooth quick, while can improve assembly precision, and elimination gap is to improve machining accuracy.
Description
Technical field
The invention belongs to the boring manufacture fields of complicated shape of hole wall, and in particular to a kind of boring cutter peace for being conducive to eliminate gap
Dress method.
Background technology
Boring is a kind of with cutter expanded hole or the internal diameter Cutting Process of other circular contours, and application range is generally from half
To finishing, cutter for same is usually boring cutter or boring bar for roughing.Bore hole be to forging, cast out or drilling bore hole further plus
Work belongs to one kind of boring mode.Bore hole can expand aperture, improve precision, reduce surface roughness, can also preferably correct
The originally deflection of axially bored line.
Common boring cutter structure generally comprises handle of a knife and is arranged on the cutter of handle of a knife front end, and handle of a knife rear end is mounted on lathe
On, power, which is provided, by lathe during use carries out boring processing.But in the case of some are not suitable for realizing processing by lathe, such as
Situations such as technological transformation needs reaming boring to process is being carried out in some mounted larger equipment, then is being difficult to adopt existing processing
Equipment realizes processing.
In addition, existing boring cutter, boring processing performance is limited, and the deep hole boring that 6 times of diameter or more is more than for depth adds
Work and some more complicated structures are for example spirally broken separate slot, straight trough, skewed slot, arc groove, screw thread, helicoid, circular arc
Face, endoporus local wide when processing, it is also difficult to ensure precision and processing efficiency.
In order to solve the problems, such as that above-mentioned existing boring cutter is difficult to complex profile and is difficult to realize separately machined, applicant examines
Worry devises a kind of boring processing three-shaft linkage mechanical arm, and including whole cylindrical handle of a knife and cutter, Cutting tool installation manner is in knife
In the segment of cutting of handle front end, feature is, segment of cutting rear end sequentially forms backward on the handle of a knife is useful for control cutter diameter
Radial feed control section to feeding, the control section and for controlling knife of rotating in a circumferential direction for controlling that Tool in Cutting section rotates in a circumferential direction
Have the axial stretching control section of segment of cutting axial stretching, the cutter being used to implement being processed hole inner support is additionally provided on handle of a knife
Stable supporting device.In this way, the mechanical arm can lean on cutter stable supporting device to be supported on inside processed hole, it is then processed
Three-shaft linkage can be generated in journey, cutter can be controlled radially to feed while rotating boring by the control section control that rotates in a circumferential direction
Or stretching motion, and then realize boring it is separately machined while, the boring processing of labyrinth and deep-hole structures can be completed.
It is big with the boring range of work, the characteristics of applicability is wide.Meanwhile wherein the segment of cutting includes a segment of cutting cylinder, cutting
Section cylinder forward position is provided with Cutting tool installation manner groove and for installing boring cutter cutter, and boring cutter cutter considers the installation shank in cutter
Point upper setting driving rack is used for and be driven input gear engagement and realizes cutter radial feeding transmission, simple in structure and conducive to being driven
Than accurately controlling.
But wherein, rack and pinion is driven, if its accuracy of mesh is excessively high, assembly difficulty can be caused larger, if drop
Low assembly difficulty, then can cause the accuracy of mesh too low again and then there are back lashes, cause transmission fit precision poor, influence to add
Work precision；Can also there are assembling smooth degree and assembly precision phase lance in the cooperation for realizing cutter itself and Cutting tool installation manner groove simultaneously
The same problem of shield.
Invention content
In view of the above shortcomings of the prior art, the technical problems to be solved by the invention are：How a kind of assembling behaviour is provided
Make smooth quick, while assembly precision can be improved, eliminate gap and pacified with improving the boring cutter for being conducive to eliminate gap of machining accuracy
Dress method.
In order to solve the above-mentioned technical problem, present invention employs following technical solutions：
A kind of boring cutter installation method for being conducive to eliminate gap, the cutter of boring tool device is along handle of a knife radially installed in Cutting tool installation manner
In slot, driving rack is provided in the installation handle portion of cutter and is used for and is driven input gear engagement realization cutter radial feeding biography
It is dynamic, which is characterized in that be designed as side by side and misplacing by driving rack two, and the side that connects side by side between two driving racks
Inclined-plane fit structure at one is set, then cutter and Cutting tool installation manner groove axially back and forth between position corresponding wedge is set to form
Inclined-plane fit structure at second pushes during installation by the insertion of wedge and oblique fit structure at two is driven to be linked and be converted into
The dislocation movement of two driving racks until two driving racks are close with transmission input gear engagement simultaneously, is completed tiltedly at this time
Assembling is completed in ferropexy.
In this way, first wedge is inserted into, is matched by inclined-plane at two by after two driving racks and transmission input gear engagement during assembling
The linkage of conjunction structure drives two driving racks dislocation mobile and close with transmission input gear engagement, and transmission in this way inputs tooth
It respectively extends radially out or retracts by a driving rack forced belt cutter when taking turns rotating, therefore eliminate gear transmission clearance
Eliminate cutter axial direction clipping room gap simultaneously.Therefore facilitate installation, it improves and ensure that assembling cooperation essence while assembling smooth degree
Degree improves the reliability of following process precision.
As an optimization, this method is realized in the boring tool device with lower structure, and boring tool device front end is segment of cutting, described to cut
It cuts section and includes a segment of cutting cylinder, segment of cutting cylinder forward position is provided with Cutting tool installation manner groove and for installing cutter, cutter
Including being used to form the tool bit part of cutting edge and being used to implement the installation handle portion of installation and cutter radial feeding transmission, cutter head
Partial cutting-edge exposes outside Cutting tool installation manner groove；Driving rack, which is provided with, on the medial surface of installation handle portion is used to implement knife
Has radial feed transmission；
The driving rack includes the first driving rack and the second driving rack, the first driving rack and the second driving rack
It shifts to install side by side and feeds transmission gear engagement with the cutter radial for being used to implement cutter radial feeding transmission simultaneously；Cutter is pacified
Tankage front inner wall is obliquely installed and the end consistent with cutter radial direction of feed in front inner wall is toward close to the direction of cutter
It tilts, one piece of wedge, wedge and Cutting tool installation manner is equipped between outer wall on front side of the Cutting tool installation manner groove front inner wall and cutter
Slot front inner wall is affixed side as inclined-plane, and wedge is affixed side with cutter and is faced directly to be consistent with tool feeding direction；
First driving rack and the second driving rack are realized embedding by the concave-convex fit structure that the side that connects side by side is correspondingly arranged
Cooperation is connect, there is an oblique face that is slidably matched for favouring the side that connects in the concave-convex fit structure.
In this way, in assembling, it is first that the first driving rack and the second driving rack laid out in parallel is good, and the two is connected
The first diagonally face of being slidably matched of the concave-convex fit structure of side is affixed insertion and completes to be partially submerged into cooperation, and cutter radial is fed and is passed
Moving gear is installed in place, then chooses wedge block of the length more than wedge installation space length and form fit, by wedge block compared with
Small one end from larger one end of wedge installation space be inserted into, wedge block be inserted into when by with the tilt internal wall on front side of Cutting tool installation manner groove
Be slidably matched squeeze two pieces of driving racks mutually close up, dependence is concave-convex therebetween during two pieces of driving racks mutually close up
The cooperation in the oblique face that is slidably matched in fit structure drives two pieces of driving racks to be moved along the dislocation of itself transmission direction, until knife
The both sides for having radial feed one tooth socket of transmission gear are affixed abutting by a gear teeth of two pieces of driving racks simultaneously；Wedge at this time
Block can not go insertion again, and wedge block outer end is blocked composition wedge along wedge installation space inlet, wedge position is kept to fix
After complete assembling.Such assembling process directly eliminates the need for coordinating caused by gear drive by the insertion of wedge cooperation
Also the axial gap of Cutting tool installation manner is eliminated while gap together；And efficiency of assembling is greatly improved, ensure that assembling can
By property.
As an optimization, tool bit part is made using cemented carbide material, and installation handle portion is obtained using No. 45 steels.Such energy
Enough meet two parts respectively functional requirement, relatively low cost.
Further, the larger one end of wedge is fixed in the segment of cutting barrel outer surface close to Cutting tool installation manner groove front inner wall
Stop screw limiting fix；Limiting that is simple in structure in this way and facilitating wedge is fixed.
Still further, can be affixed side in wedge and cutter sets multiple rollings along perpendicular to cutter radial direction of feed
Column slot, the multiple roller slot are arranged along cutter radial direction of feed uniform intervals, and hollow rollers are equipped in the roller slot
And hollow rollers outer surface is exposed to roller slot and for fitting with cutter leading flank.In this way hollow rollers by assembling process and
Sliding friction during subsequent tool radial feed is converted into rolling friction, improves tool assembly and feeds the smooth of adjustment
Property, while by the elasticity of hollow rollers, can preferably eliminate gap and play damping effect.
Further hollow rollers use the spring steel material of 60Si2Mn, and damping effect is improved preferably to generate elasticity.
In conclusion the present invention has, assembly manipulation is smooth quick, while can improve assembly precision, eliminates gap to carry
The advantages that high manufacturing accuracy.
Description of the drawings
Fig. 1 be it is a kind of employ the boring that the method for the present invention installs and process the overall structure of three-shaft linkage mechanical arm show
It is intended to.
Fig. 2 is the A-A sectional views of tool position in Fig. 1.
Fig. 3 is that cutter position can show wedge and the partial schematic diagram of driving rack planar structure in Fig. 1.
Fig. 4 is that the C-C section view directions of rotating support shaft bearing structure position in Fig. 1 individually show rotating support shaft bearing structure
Schematic diagram.
Fig. 5 is the structure diagram of the outer support mechanism of Wedge-type of alternatively embodiment.
Fig. 6 is that can show that segment of cutting and radial feed control the close-up schematic view of segment structure in Fig. 1.
Fig. 7 is the close-up schematic view for being capable of display portion axial stretching control segment structure in Fig. 1.
Specific embodiment
With reference to a kind of optimal reality of boring processing three-shaft linkage mechanical arm for employing installation method of the present invention and obtaining
Applying mode and its attached drawing, the present invention is described in further detail.
As shown in figs. 1-7, a kind of boring processing three-shaft linkage mechanical arm, including whole cylindrical handle of a knife and cutter,
Cutting tool installation manner in the segment of cutting of handle of a knife front end, wherein, segment of cutting rear end sequentially forms backward on the handle of a knife is useful for controlling
The radial feed control section of cutter radial feeding control section and is used for for rotating in a circumferential direction of controlling that Tool in Cutting section rotates in a circumferential direction
The axial stretching control section of Tool in Cutting section axial stretching is controlled, is additionally provided with and is used to implement in processed hole inner support on handle of a knife
Cutter stable supporting device.
In this way, above-mentioned mechanical arm can lean on cutter stable supporting device to be supported on inside processed hole, then process
In can generate three-shaft linkage, by rotate in a circumferential direction control section control rotation boring while can control cutter radially feed or
Stretching motion, so realize boring it is separately machined while, the boring processing of labyrinth and deep-hole structures can be completed.Tool
There is the characteristics of boring range of work is big, and applicability is wide.
Wherein, the segment of cutting includes a segment of cutting cylinder 1, and 1 forward position of segment of cutting cylinder is provided with Cutting tool installation manner
Slot and for installing cutter, cutter include being used to form the tool bit part 2 of cutting edge and be used to implement installation and cutter radial into
To the installation handle portion 3 of transmission, the cutting-edge of tool bit part 2 exposes outside Cutting tool installation manner groove, tool bit part 3 and installation shank
Divide 3 split-type designs and be fixed by bolts and be connected as one, being provided with driving rack on the medial surface of installation handle portion 3 is used for
Realize cutter radial feeding transmission.
In this way, cutter is realized using cutter head and installing handle two-part structure, cutting edge is formed by tool bit part, in this way, can
To be directed to cutting and the different requirement of installation respectively using different materials, with improve reduced while cutting edge processing intensity into
This, specifically, tool bit part is made using cemented carbide material, installation handle portion is obtained using No. 45 steels.Simultaneously by cutter
It is divided into two parts, setting drive mechanism in installation handle portion is facilitated to realize cutter radial feeding transmission.The drive mechanism uses
Driving rack, can conveniently realize tool feeding feeding transmission with transmission input gear engagement, simple in structure and conducive to gearratio
Accurate control.
Wherein, the driving rack includes the first driving rack 4 and the second driving rack 5, the first driving rack 4 and second
Driving rack 5 shifts to install and feeds transmission gear 6 with the cutter radial for being used to implement cutter radial feeding transmission simultaneously side by side
Engagement.
In this way, two driving racks of setting engage simultaneously with cutter radial feeding transmission gear, two driving cogs can be leaned on
Item shifts to install, and two gear teeth for misplacing adjacent in two driving rack is made to fit to cutter radial feeding driving cog respectively
Take turns the front and rear sides of a tooth socket；Thus eliminating the need using the easy existing back lash of gear engaged transmission, nibbled smaller
The requirement to gear manufacture precision is significantly reduced caused by closing gap while driving error.
Wherein, Cutting tool installation manner groove front inner wall be obliquely installed and it is consistent with cutter radial direction of feed in front inner wall should
It holds toward close to the direction of cutter and tilts, one piece is equipped with tiltedly between outer wall on front side of the Cutting tool installation manner groove front inner wall and cutter
It is inclined-plane that iron 7, wedge 7 and Cutting tool installation manner groove front inner wall, which are affixed side, and wedge 7 and cutter are affixed side and are and tool feeding side
It is faced directly to consistent；The axial gap of Cutting tool installation manner generation can be preferably eliminated in this way and facilitates Cutting tool installation manner.Further,
The stop screw 8 that 7 larger one end of wedge is fixed in the segment of cutting barrel outer surface of close Cutting tool installation manner groove front inner wall limits
It is fixed；Limiting that is simple in structure in this way and facilitating wedge is fixed.Still further, the first driving rack 4 and the second driving rack 5
Interlocking cooperation is realized by the concave-convex fit structure 9 that the side that connects side by side is correspondingly arranged, and is had in the concave-convex fit structure 9 and is tilted
In an oblique face that is slidably matched of the side that connects.
Both in this way, when boring cutter assembles, it is first that the first driving rack and the second driving rack laid out in parallel is good, and cause
Connect side concave-convex fit structure first diagonally the face of being slidably matched be affixed insertion complete be partially submerged into cooperation, by cutter radial into
It is installed in place to transmission gear, then chooses length more than wedge installation space length and the wedge block of form fit, by wedge block
Smaller one end from larger one end of wedge installation space be inserted into, wedge block be inserted into when by with the inclination on front side of Cutting tool installation manner groove
The two pieces of driving racks of extruding that are slidably matched of inner wall mutually close up, and two pieces of driving racks rely on therebetween during mutually closing up
The cooperation in the oblique face that is slidably matched in concave-convex fit structure drives two pieces of driving racks to be moved along the dislocation of itself transmission direction, directly
To the both sides of cutter radial feeding one tooth socket of transmission gear abutting is affixed by a gear teeth of two pieces of driving racks simultaneously；At this time
Wedge block can not go insertion again, and wedge block outer end is blocked composition wedge along wedge installation space inlet, keeps wedge position
Assembling is completed after fixation.Caused by such assembling process directly eliminates the need for gear drive by the insertion of wedge cooperation
Also the axial gap of Cutting tool installation manner is eliminated while fit clearance together；And efficiency of assembling is greatly improved, ensure dress
With reliability.
Still further, it is multiple along being set perpendicular to cutter radial direction of feed to be affixed side in wedge 7 and cutter
Roller slot, the multiple roller slot are arranged along cutter radial direction of feed uniform intervals, and hollow rolling is equipped in the roller slot
Column 10 and 10 outer surface of hollow rollers are exposed to roller slot and for fitting with cutter leading flank.Hollow rollers will assemble in this way
Sliding friction during process and subsequent tool radial feed is converted into rolling friction, improves tool assembly and feeds adjustment
Smoothness, while by the elasticity of hollow rollers, can preferably eliminate gap and play damping effect, further hollow rolling
Column uses the spring steel material of 60Si2Mn, and damping effect is improved preferably to generate elasticity.
Wherein, the radial feed control section, including a coaxial arrangement in the radial feed control section of mechanical arm forepart
Cylinder 11,11 front end of radial feed control section cylinder are fixedly connected with segment of cutting cylinder, radial feed control section inner barrel peace
Motor 12 is controlled equipped with radial feed, radial feed control 12 output shaft of motor sets forward and is connected with deceleration forward and passes
Dynamic system, the deceleration transmission system include being used for the cutter radial feeding transmission gear 6 with the driving rack engagement on cutter.
In this way, in radial feed control section, after turning to deceleration transmission system slowdown by radial feed control motor output,
The translation for being transmitted to driving rack and being converted into cutter radial and stretching will be rotated, and then realize by cutter radial feeding transmission gear again
The control that cutter radial stretches, have it is simple in structure, control the advantages of reliable.
Wherein, the deceleration transmission system include harmonic reducing mechanism, harmonic reducing mechanism output terminal and a radial direction into
It is connected to transmission shaft 19,19 front end of radial feed transmission shaft extends in 1 internal cavities of segment of cutting cylinder and sets cutter radial
Feed transmission gear 6.In this way, gearratio can be greatly reduced as deceleration transmission system using harmonic reducing mechanism, it can
Preferably improve the control accuracy of cutter radial feeding output.
Wherein, the harmonic reducing mechanism includes the harmonic wave input tooth being coaxially disposed on radial feed control motor output shaft
Wheel 13, harmonic wave input gear 13 have been evenly arranged several harmonic wave intermediate gears 14, harmonic wave intermediate gear 14 and harmonic wave input tooth outside
13 engagements are taken turns, there are one the harmonic wave runner 15 with the coaxial arrangement of harmonic wave input gear, harmonic wave runners for tool outside for harmonic wave intermediate gear 14
15 there is ring gear and harmonic wave intermediate gear 14 to engage, and harmonic wave flexbile gear 16,15 appearance of harmonic wave runner are arranged with outside harmonic wave runner 15
The diametrically opposite both ends in face are also symmetrically installed there are two radially raised wave generation component 17, and wave occurs outside component 17
End and 15 inner surface of harmonic wave flexbile gear abut and so that harmonic wave deformation of flexible wheel is oval, and 15 outer surface of harmonic wave flexbile gear is formed with external tooth
It encloses and is engaged the both ends of oval long axis and one with the relatively-stationary internal gear 18 of radial feed control section cylinder, harmonic wave is soft
It takes turns the output terminal that 16 front ends are harmonic reducing mechanism and is connected with 19 rear end of radial feed transmission shaft.In this way, work when radially into
Harmonic wave intermediate gear is driven to rotate by harmonic wave input gear to control motor output shaft, drive the rotation of harmonic wave runner, then by wave
Component, which occurs, drives harmonic wave flexbile gear and the cooperation of fixed external toothing to generate differential reversion；Harmonic wave is leaned in this way in the harmonic reducing mechanism
Intermediate gear first realizes first order deceleration transmission, and radial feed transmission is driven after then realizing differential gearing by harmonic wave flexbile gear again
Axis rotation output, therefore deceleration transmission effect can be greatly improved, it ensure that the stability and controllability of cutter radial feeding,
Improve radial feed control accuracy.Still further, it is axially disposed roller that component 17, which occurs, for the wave.Such roller
Setting wave can be occurred to be formed between component and harmonic wave flexbile gear and roll cooperation, greatly reduce friction and reduce abrasion and improve and pass
Dynamic stationarity, and more importantly structure setting causes after cutter work is born to cut buffer brake and is transmitted to herein herein
Roller can be converted into the pressure along harmonic wave runner radially, and even if having part other directions component and also can by roller from
Body rotation is offset, and will not back be transmitted again, be generated good reversion self-locking effect, greatly improves the steady of cutter work
It is qualitative.Still further, the ladder that the radial feed transmission shaft 19 generally point diameter reduces is discoid, radial feed passes
The end positions for being located at cutter radial feeding transmission gear on moving axis are respectively mounted on 1 inner cavity of segment of cutting cylinder by a bearing
In.Stable drive can be better ensured that in this way, improve stability.Still further, 19 rear end of radial feed transmission shaft is circumferential
On be provided with grafting groove and 16 front end of harmonic wave flexbile gear circumferentially evagination setting grafting male cooperation realize connection.Such grafting
There are the spaces that the grafting protrusion for harmonic wave flexbile gear front end radially fluctuates in groove, can be disappeared using this flexible connection transmission
Except the vibration that harmonic wave flexbile gear radial deformation brings transmission process, ensure transmission stability.The further radial feed control
11 forward end seal of section cylinder processed is fixed by socket outside 1 rear end of segment of cutting cylinder, and the internal gear 18 is fixed at segment of cutting
On 1 rear end surface of internal cavity of cylinder, such structural integrity is more preferable and is more favorable for sealed set.Further harmonic reducing mechanism
Front position is additionally provided with whole harmonic wave wheel seat 20 in the form of annular discs, and 20 peripheral position of harmonic wave wheel seat is fixed on radial feed
On one step surface of 11 inner cavity forepart of control section cylinder, the rotary gear shaft inside the harmonic wave intermediate gear is fixed on humorous
On impeller seat.The installation settings of each component in this way in the more convenient harmonic reducing mechanism of setting of harmonic wave wheel seat.Further, institute
State one that the limit protrusion with evagination and cooperation on 15 rear end end face of harmonic wave runner are inserted into 20 front end surface of harmonic wave wheel seat
Realize that harmonic wave runner radially limits in limiting slot, 15 position of face harmonic wave runner on the 19 rear end end face of radial feed transmission shaft
It is used to implement with limit protrusion axially rearward to the positioning in 15 axial direction of harmonic wave runner.It can be preferably after assembling in this way
It realizes the positioning on radial and axial to harmonic wave runner, and causes radial feed transmission shaft rear end end face and harmonic wave center tooth
Installation space is reserved between wheel front end surface, which installs spacer pin for harmonic wave intermediate gear in its rotary gear shaft front end
Realize the assembling and limiting to harmonic wave intermediate gear.
Wherein, the control section that rotates in a circumferential direction, the control section that rotates in a circumferential direction being co-axially located in the middle part of mechanical arm including one
Cylinder 21 is equipped with the control motor 22 that rotates in a circumferential direction, the control motor that rotates in a circumferential direction inside the control section that rotates in a circumferential direction cylinder 21
22 output shafts are connected forward with 11 rear end of radial feed control section cylinder and are used to that radial feed control section cylinder 11 to be driven to rotate,
It is latter half of outer and therebetween that 21 first half of control section cylinder that rotates in a circumferential direction coaxially is disposed around radial feed control section cylinder
It is provided with slip-ring brush 23.
In this way, radial feed control section cylinder back-end is driven to rotate integrally by the control motor that rotates in a circumferential direction, realize to cutter
The control of processing is rotated, wherein the slip-ring brush guarantee used realizes the control of the motor of radial feed control section inner barrel
The conducting of electric current ensure that the reliability of Tool Control.
Wherein, it is described rotate in a circumferential direction control section cylinder first half and radial feed control section cylinder it is latter half of between also set up
There is rotating support shaft bearing structure, the rotating support shaft bearing structure includes being formed in rotate in a circumferential direction control section cylinder and radial feed
Ball assembly space between control section cylinder, the ball assembly space inner cavity are formed in the control that rotates in a circumferential direction relatively with inside and outside
Spherical crown surface on section cylinder inner surface and radial feed control section barrel outer surface processed and for and the cooperation assembling of ball 24, also have
There is the retainer chamber of the cuboid structure between two spherical crown surfaces, retainer intracavitary is equipped with circle end disconnection but entirety
The retainer 25 in circular ring shape is enclosed, ball pilot hole is circumferentially evenly arranged on the retainer 25 and supplies ball 24 rotatable
Ground insertion assembling.In such manner, it is possible to which the support of the rotation to radial feed control section cylinder is better achieved, rotary flat is greatlyd improve
Stability.Further, the control section barrel outer surface that rotates in a circumferential direction corresponds to ball assembly space and is provided with and communicated with ball entrance
Fluting, ball enters in fluting is fixed with a fluting sprue 26 by bolt 27, slot 26 inner surface of sprue and ball assembly space
Inner wall surface is consistent.The loading of ball more convenient in this way and retainer.
Wherein, rotary drive driving gear 27, rotary drive are provided on control 22 output shaft of motor that rotates in a circumferential direction
27 periphery of driving gear has been evenly arranged multiple rotary drive intermediate gears 28 and the engagement of rotary drive driving gear, rotary drive
Intermediate gear 28 engages simultaneously simultaneously with the rotary drive internal gear 29 for being arranged on radial feed control section cylinder back-end surface of internal cavity
Radial feed control section cylinder 11 is driven to rotate.The transmission of the setting conveniently regulating and controlling rotary drive of rotary drive intermediate gear in this way
Than, while the stability of transmission can be further improved, improve device overall stability.
Wherein, the middle part of the control section that rotates in a circumferential direction cylinder lumen in an axial direction extends inwardly to form a partition 30, after partition 30
Rectangular circumferentially rotation control motor mounting space, the control motor output shaft that rotates in a circumferential direction penetrate rotatably partition 30 and set
It puts, the rotary drive intermediate gear 28 is mounted in partition.Each component assembling setting more convenient in this way.
Wherein, the axial stretching control section is co-axially located at the post-brachial axial stretching control section of machinery including one
Cylinder 31 is equipped with axial stretching control motor 32, the axial stretching control in 31 rear end inner cavity of axial stretching control section cylinder
32 output shaft of motor processed sets forward and passes through steering gear and connected with 21 rear end of control section cylinder that rotates in a circumferential direction and can
Drive rotates in a circumferential direction the 21 elastic movement of control section cylinder.In this way, simple in structure and facilitate and realize to the axial stretching of cutter
Control.
Wherein, the steering gear includes the leading screw 33 of one and mechanical arm coaxial arrangement, 33 rear end of leading screw and axis
It is connected to 31 output shaft of extension and contraction control motor, 33 front end of leading screw is inserted into the nut cylinder 34 of a coaxial arrangement, nut cylinder
34 rear end inner cavity of body is provided with internal thread and leading screw 33 engages, 34 front end of nut cylinder and 21 rear end of control section cylinder that rotates in a circumferential direction
Connection, steering gear further include the guide frame for preventing from rotating in a circumferential direction control section cylinder 21 to rotate.In this way, by silk
The setting of thick stick nut transmission is realized using simple structure the rotation of axial stretching control motor output shaft exporting conversion
For the axial translation for the control section cylinder that rotates in a circumferential direction, simple in structure and control is reliably.
Wherein, the guide frame includes extending forwardly into the control that rotates in a circumferential direction positioned at 31 front end of axial stretching control section cylinder
The latter half of outer guide section of section cylinder 21 processed, including being axially arranged on, the control section barrel outer surface that rotates in a circumferential direction is latter half of to lead
To slot 35, the guide runner 36 that is fixed on guide section inner surface of the cooperation in guide groove 35 is further included.In this way, it will be oriented to
Structure setting is latter half of outer in the control section cylinder that rotates in a circumferential direction, and can preferably improve overall structure while convenient for assembly
Stability.
Wherein, it is provided with floating connection knot between 34 front end of nut cylinder and 21 rear end of control section cylinder that rotates in a circumferential direction
Structure, the floating connecting structure, which includes being arranged on 34 front end of nut cylinder, circumferentially the mounting disk 37 of evagination and is fixed on circumferential rotation
Turn one of 21 rear end of control section cylinder mounting ring 38, mounting 38 aft end interior surface of ring is inwardly protruding and after being articulated in mounting disk 37
On side；Floating connecting structure further includes one and is arranged in the middle part of nut barrel front end end face and rotates in a circumferential direction after control section cylinder
The cross link block 39 of position between holding in the middle part of end face, the leading flank of cross link block 39 and the control section cylinder back-end that rotates in a circumferential direction
The first concave-convex fit structure, 34 front end surface of trailing flank and nut cylinder of cross link block 39 have been radially formed between end face
Between be radially formed the second concave-convex fit structure, the first concave-convex fit structure and the second concave-convex fit structure setting direction phase
It is mutually vertical and cause after cooperation between the leading flank of cross link block 39 and the 21 rear end end face of control section cylinder that rotates in a circumferential direction and
There are flying heights between 34 front end surface of trailing flank and nut cylinder of cross link block 39.In this way, nut cylinder leans on ten
Word link block passing power pushes the control section cylinder advance that rotates in a circumferential direction, and mounting passing power by mounting ring and mounting disk drives week
It is retreated to rotation control section cylinder, during advance feed, the concave-convex fit structure of cross link block both sides can transmit torsion
Square and thrust, while cross link block can be allowed to generate the beat of certain angle without influencing thrust and torque by flying height
Transmission, and then eliminate the need for the shake generated during screw nut driven auxiliary driving, ensure that the stability of front end transmission.More preferably
To select be that the apical grafting face of respective groove and male cooperation is along recessed in the first concave-convex fit structure and the second concave-convex fit structure
The arc in slot length direction.Arc cooperation enables to touch without generating along arcuate rotation in cross link block swing process in this way
It hits, preferably improves transmission stability.
Wherein, cutter stable supporting device includes being formed in the outer support mechanism installation of one section of minor diameter of handle of a knife outer surface
Section, multigroup outer support mechanism is circumferentially uniformly installed, outer support mechanism includes to be controlled radially on outer support mechanism construction section
Outwardly directed support element.Facilitate in this way and realize to support of the handle of a knife certainly in processed hole.Preferably, outer support during implementation
Mechanism construction section can be arranged on axial stretching control section barrel outer surface and internally positioned leading screw position, which can
Play the effect of preferably supporting ＆ stablizing handle of a knife.
Wherein, the outer support mechanism can be the outer support mechanism of link-type, and the outer support mechanism of the link-type includes setting in an axial direction
40 and two link mechanism of hydraulic cylinder put, two link mechanisms include first connecting rod 41, second connecting rod 42 and support element 43, and first connects
One end of bar 41 is hinged on the outer support mechanism construction section in front of hydraulic cylinder extension arm, and one end of second connecting rod 42 is hinged on hydraulic pressure
It is same that the other end of 40 telescopic arm front end position of cylinder, first connecting rod 41 and second connecting rod 42 is hinged on 43 inside of support element jointly
First connecting rod 41 and second connecting rod 42 relatively distal end is driven to relatively move when enabling hydraulic cylinder extension arm protruding on hinge shaft
And support element 43 is radially jacked up.Have many advantages, such as in this way it is simple in structure, it is easy to control, while two link mechanisms can be with
It is further held out against so that support element is overhanged and holds out against to present close to radial direction as possible in processed hole inner wall back link, in this way
Self-locking effect is generated, hydraulic cylinder does not have to undertake larger abutting reaction force, ensures that support effect is reliable and stable.Further,
The hydraulic cylinder 40 is dual-rod hydraulic cylinder, before two link mechanism is symmetrically arranged in the telescopic arm at hydraulic cylinder both ends.It is in this way, real
Supporting point preferably improves stability of strutting system at existing front and rear two.As an optimization, there are one coaxial for the connection of hydraulic cylinder extension arm front end
The synchronization lantern ring 44 being set on outer support mechanism construction section, second connecting rod 42 are hinged on synchronous lantern ring.It in this way can be preferably
Ensure the outer support mechanism consistency of each group.Still further, the whole rectangular-blocklike of the support element 43 and outer surface is evagination
Arcwall face can preferably be conducive to support element outer surface in this way and support is realized in hole inner wall to be processed fitting.Further institute
43 outer surface of support element is stated with one layer of elastomeric layer.In this way, present age processing hole internal diameter variation leads to support element outer surface arc
Shape can lean on flexible deformation to realize fitting when inconsistent, improve support strength.
In addition, the outer support mechanism can also be the outer support mechanism of Wedge-type（Referring to Fig. 5）, the outer support mechanism packet of the Wedge-type
Axially disposed hydraulic cylinder 45 is included, the voussoir 46 and support element 47 being successively set in front of 45 telescopic arm of hydraulic cylinder, support element
One end of 47 whole arc-shaped block structures and arcuate directions, which is hinged on outer support mechanism construction section, forms inner end, and the other end is one
A resetting spring 48 is connected on voussoir under acting on and forms outer end, and the side surface that voussoir 46 and support element 47 contact is towards support
Inclined inclined-plane, voussoir 46 are connected far from 47 one end of support element with hydraulic cylinder extension arm front end radially inward in part direction.In this way,
Control hydraulic cylinder extension arm, which stretches out, protruding be connected in support element outer end to be driven to be added by the cooperation of its inclined-plane with dynamic voussoir
On the inner wall of work hole；It is easy to assembly therefore with simple in structure, the advantages that control is quick on the draw；The anti-work of support element when supporting simultaneously
It is firmly largely transferred to be formed along the radially inward component of voussoir and then be cancelled on voussoir, hydraulic cylinder does not have to undertake larger
Reaction force is pushed against, ensures that support effect is reliable and stable.Further, 47 outer end of support element is provided with back-up roller wheel 50 simultaneously
Support is realized by back-up roller wheel surface and voussoir and the contact of processed hole inner wall, is reduced frictional force by rolling in this way, is improved
Stability of strutting system.Further direct-axis is to sliding slot is provided on the inclined-plane of the voussoir 46, and the idler wheel cooperation limiting is in sliding slot
Interior rolling.Limiting is better achieved in this way, ensures the stationarity of outer support process.Further, the hydraulic cylinder 45 is double rod liquid
Cylinder pressure, and the voussoir and supporting piece structure of cooperation are arranged with before the telescopic arm at both ends.In this way, supporting point is more at two before and after realizing
Improve stability of strutting system well.As an optimization, corresponding voussoir 46 is circumferentially connected as cricoid entirety in the outer support mechanism of each group
Form synchronous slip ring 49.The outer support mechanism consistency of each group can be better ensured that in this way.Further, the resetting spring 48 can
Think the torsional spring for being arranged on support element inner end hinged place or the flexible bullet of a circle for being annularly connected to support element outer end for one
Spring.The former torsional spring compact structure is simple, and the adjustable spring of the latter can further improve support element action synchronism.
Claims (4)
1. a kind of boring cutter installation method for being conducive to eliminate gap, the cutter of boring tool device is along handle of a knife radially installed in Cutting tool installation manner groove
It is interior, driving rack is provided in the installation handle portion of cutter and is used for and is driven input gear engagement realization cutter radial feeding biography
It is dynamic, which is characterized in that be designed as side by side and misplacing by driving rack two, and the side that connects side by side between two driving racks
Inclined-plane fit structure at one is set, then cutter and Cutting tool installation manner groove axially back and forth between position corresponding wedge is set to form
Inclined-plane fit structure at second is first inserted into wedge, by wedge during installation by after two driving racks and transmission input gear engagement
Insertion push oblique fit structure at two driven to be linked and be converted into the dislocation movement of two driving racks, until two
Driving rack is close with transmission input gear engagement simultaneously, completes wedge fixation at this time and completes assembling；
This method realizes that boring tool device front end is segment of cutting in the boring tool device with lower structure, and the segment of cutting includes one
Segment of cutting cylinder, segment of cutting cylinder forward position are provided with Cutting tool installation manner groove and for installing cutter, and cutter includes being used to form
The tool bit part of cutting edge and the installation handle portion for being used to implement installation and cutter radial feeding transmission, the cutting edge of tool bit part
Position exposes outside Cutting tool installation manner groove；Driving rack is provided on the medial surface of installation handle portion and is used to implement cutter radial feeding biography
It is dynamic；
The driving rack includes the first driving rack and the second driving rack, and the first driving rack and the second driving rack are arranged side by side
It shifts to install and is engaged simultaneously with the cutter radial feeding transmission gear for being used to implement cutter radial feeding transmission；Cutting tool installation manner groove
Front inner wall is obliquely installed and that one end consistent with cutter radial direction of feed in front inner wall is inclined toward the direction close to cutter
Tiltedly, one piece of wedge, wedge and Cutting tool installation manner groove are equipped between the Cutting tool installation manner groove front inner wall and cutter front side outer wall
Front inner wall is affixed side as inclined-plane, and wedge is affixed side with cutter and is faced directly to be consistent with tool feeding direction；
First driving rack and the second driving rack realize that interlocking is matched by the concave-convex fit structure that the side that connects side by side is correspondingly arranged
It closes, there is an oblique face that is slidably matched for favouring the side that connects in the concave-convex fit structure.
2. the boring cutter installation method as described in claim 1 for being conducive to eliminate gap, which is characterized in that tool bit part uses hard
Alloy material is made, and installation handle portion is obtained using No. 45 steels.
3. the boring cutter installation method as described in claim 1 for being conducive to eliminate gap, which is characterized in that the larger one end of wedge is consolidated
Stop screw due to the segment of cutting barrel outer surface close to Cutting tool installation manner groove front inner wall limits fixation.
4. the boring cutter installation method as described in claim 1 for being conducive to eliminate gap, which is characterized in that be affixed in wedge and cutter
Side sets multiple roller slots along perpendicular to cutter radial direction of feed, and the multiple roller slot is equal along cutter radial direction of feed
It is even to be intervally arranged, hollow rollers in the roller slot are installed and hollow rollers outer surface is exposed to roller slot and is used for and cutter
Leading flank fits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610197741.2A CN105598728B (en) | 2016-03-31 | 2016-03-31 | A kind of boring cutter installation method for being conducive to eliminate gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610197741.2A CN105598728B (en) | 2016-03-31 | 2016-03-31 | A kind of boring cutter installation method for being conducive to eliminate gap |
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| Publication Number | Publication Date |
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| CN105598728A CN105598728A (en) | 2016-05-25 |
| CN105598728B true CN105598728B (en) | 2018-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610197741.2A Expired - Fee Related CN105598728B (en) | 2016-03-31 | 2016-03-31 | A kind of boring cutter installation method for being conducive to eliminate gap |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106491166B (en) * | 2016-11-30 | 2023-07-04 | 重庆西山科技股份有限公司 | Rotary cutting tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB1029675A (en) * | 1962-08-23 | 1966-05-18 | Richards & Co Ltd George | Vibration absorbing device for machine tools |
| CN1597203A (en) * | 2004-08-19 | 2005-03-23 | 陈硕 | Radial feeding slot boring cutter |
| CN2832367Y (en) * | 2005-11-11 | 2006-11-01 | 潍柴动力股份有限公司 | Boring knife capable of radially cutting |
| CN101961793A (en) * | 2009-08-18 | 2011-02-02 | 西安航空发动机（集团）有限公司 | Tip-extension type deep hole boring cutter rod |
| CN203272316U (en) * | 2013-06-13 | 2013-11-06 | 浙江日发精密机械股份有限公司 | Double-rack anti-backlash oscillating oil cylinder |
| CN203516702U (en) * | 2013-09-12 | 2014-04-02 | 常州信息职业技术学院 | High-speed long-distance gear and rack driving device and guide and anti-backlash mechanism thereof |
| CN204051991U (en) * | 2014-07-06 | 2014-12-31 | 温州职业技术学院 | For the straight-line motion mechanism of spraying operation |
| CN104819279A (en) * | 2015-05-08 | 2015-08-05 | 新乡艾迪威汽车科技有限公司 | Mechanism for adjusting meshing clearance between gear and rack of automobile steering device |
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2016
- 2016-03-31 CN CN201610197741.2A patent/CN105598728B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1029675A (en) * | 1962-08-23 | 1966-05-18 | Richards & Co Ltd George | Vibration absorbing device for machine tools |
| CN1597203A (en) * | 2004-08-19 | 2005-03-23 | 陈硕 | Radial feeding slot boring cutter |
| CN2832367Y (en) * | 2005-11-11 | 2006-11-01 | 潍柴动力股份有限公司 | Boring knife capable of radially cutting |
| CN101961793A (en) * | 2009-08-18 | 2011-02-02 | 西安航空发动机（集团）有限公司 | Tip-extension type deep hole boring cutter rod |
| CN203272316U (en) * | 2013-06-13 | 2013-11-06 | 浙江日发精密机械股份有限公司 | Double-rack anti-backlash oscillating oil cylinder |
| CN203516702U (en) * | 2013-09-12 | 2014-04-02 | 常州信息职业技术学院 | High-speed long-distance gear and rack driving device and guide and anti-backlash mechanism thereof |
| CN204051991U (en) * | 2014-07-06 | 2014-12-31 | 温州职业技术学院 | For the straight-line motion mechanism of spraying operation |
| CN104819279A (en) * | 2015-05-08 | 2015-08-05 | 新乡艾迪威汽车科技有限公司 | Mechanism for adjusting meshing clearance between gear and rack of automobile steering device |
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|---|---|
| CN105598728A (en) | 2016-05-25 |
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