CN105665763B - A kind of deep hole boring mechanical arm cutting segment structure - Google Patents
A kind of deep hole boring mechanical arm cutting segment structure Download PDFInfo
- Publication number
- CN105665763B CN105665763B CN201610197743.1A CN201610197743A CN105665763B CN 105665763 B CN105665763 B CN 105665763B CN 201610197743 A CN201610197743 A CN 201610197743A CN 105665763 B CN105665763 B CN 105665763B
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- Prior art keywords
- cutter
- cutting
- segment
- driving rack
- mechanical arm
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
- B23B29/03—Boring heads
- B23B29/034—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B41/02—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for boring deep holes; Trepanning, e.g. of gun or rifle barrels
-
- 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/225—Feeding members carrying tools or work not mechanically connected to the main drive, e.g. with separate motors
-
- 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
- B23Q2705/00—Driving working spindles or feeding members carrying tools or work
- B23Q2705/10—Feeding members carrying tools or work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a kind of deep hole boring mechanical arms to cut segment structure, it is characterized in that, the segment of cutting 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 includes the tool bit part for being used to form cutting edge and the installation handle portion for realizing installation and cutter radial feeding transmission, the cutting-edge of tool bit part exposes outside Cutting tool installation manner groove, tool bit part and installation handle portion split-type design and is fixed by bolts and is connected as one.The present invention have it is simple in structure, it is of low cost, be conducive to transmission control, and can further eliminate fit-up gap improve transmission control stability the advantages that.
Description
Technical field
The invention belongs to the boring manufacture fields of complicated shape of hole wall, and in particular to a kind of deep hole boring mechanical arm segment of cutting
Structure.
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 the cutter in handle of a knife front end is arranged, and handle of a knife rear end is mounted on lathe
On, power, which is provided, by lathe when use carries out boring processing.But the case where being not suitable for realizing processing by lathe for some, such as
Situations such as technological transformation needs reaming boring to process is being carried out in some mounted larger equipment, then is 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 the processing such as local wide when, 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, including whole cylindrical handle of a knife and cutter, and 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, is additionally provided on handle of a knife for realizing in the cutter for being processed hole inner support
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, can control cutter while rotating boring by the control section control that rotates in a circumferential direction radially feeds
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 wide feature of applicability.
But wherein, for cutting segment structure how should design, just have it is simple in structure, it is of low cost, be conducive to transmission control
System, and can further eliminate fit-up gap and improve transmission control stability, become and needs further to be considered the problems of.
Invention content
In view of the above shortcomings of the prior art, the technical problem to be solved by the present invention is to：How a kind of structure letter is provided
It is single, it is of low cost, it is conducive to transmission control, and can further eliminate the deep hole boring that transmission control stability is improved in fit-up gap
Mechanical arm cuts segment structure.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions：
A kind of deep hole boring mechanical arm cutting segment structure, which is characterized in that the segment of cutting includes a segment of cutting cylinder,
Segment of cutting cylinder forward position is provided with Cutting tool installation manner groove and for installing cutter, and cutter includes the cutter head for being used to form cutting edge
Part and the installation handle portion being driven for realizing installation and cutter radial feeding, the cutting-edge of tool bit part expose outside knife
Have mounting groove, tool bit part and installation handle portion split-type design and be fixed by bolts and is connected as one.
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
With for cut and install different requirements respectively use different materials, with improve cutting edge process intensity while reduce at
This.Cutter is divided into two parts simultaneously, setting drive mechanism in installation handle portion is facilitated to realize cutter radial feeding transmission.
As an optimization, it installs and is provided with driving rack on the medial surface of handle portion for realizing cutter radial feeding transmission.
Drive mechanism uses driving rack in this way, conveniently can engage with transmission input gear and realize tool feeding feeding transmission, structure
It accurately controls simply and conducive to transmission ratio.
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.
As an optimization, the driving rack includes the first driving rack and the second driving rack, the first driving rack and the
Two driving racks shift to install and feed transmission gear simultaneously and for realizing the cutter radial of cutter radial feeding transmission side by side
Engagement.
In this way, two driving racks of setting are engaged with cutter radial feeding transmission gear simultaneously, 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 existing back lash is easy using gear engaged transmission, nibbled smaller
The requirement to gear manufacture precision is significantly reduced while closing driving error caused by gap.
Further, Cutting tool installation manner groove front inner wall is obliquely installed and consistent with cutter radial direction of feed in front inner wall
The end tilted toward close to the direction of cutter, be equipped with one between outer wall on front side of the Cutting tool installation manner groove front inner wall and cutter
It is inclined-plane that block wedge, wedge and Cutting tool installation manner groove front inner wall, which are affixed side, and wedge and cutter are affixed side and are and tool feeding
Direction is consistent to be faced directly；The axial gap of Cutting tool installation manner generation can be preferably eliminated in this way and facilitates Cutting tool installation manner.
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 limit fix；It is simple in structure in this way and the limit of wedge is facilitated to fix.
Still further, the male-female engagement that the first driving rack and the second driving rack are correspondingly arranged by the side that connects side by side
Structure realizes interlocking cooperation, has an oblique face that is slidably matched for favouring the side that connects in the concave-convex fit structure；This
Sample, it is first that the first driving rack and the second driving rack laid out in parallel is good in assembly, and the bumps of side so that the two connects
The first diagonally face of being slidably matched of fit structure is affixed insertion and completes to be partially submerged into cooperation, by cutter radial feeding transmission gear installation
In place, then by smaller one end of wedge from larger one end of wedge installation space it is inserted into, wedge is relied on when being inserted into and Cutting tool installation manner
The two pieces of driving racks of extruding that are slidably matched of tilt internal wall on front side of slot mutually close up, during two pieces of driving racks mutually close up
Drive two pieces of driving racks along itself transmission side by the cooperation in the oblique face that is slidably matched in concave-convex fit structure between the two
It is moved to dislocation, until the both sides of cutter radial feeding one tooth socket of transmission gear are simultaneously by a gear teeth of two pieces of driving racks
It is affixed abutting；Wedge can not go insertion again at this time, will wedge holding position fix after complete assembly.Such assembling process
Also cutter peace is eliminated while directly eliminating the need for fit clearance caused by gear drive by the insertion of wedge cooperation together
The axial gap of dress；And efficiency of assembling is greatly improved, ensure assembly reliability.
Still further, can be affixed side in wedge and cutter is arranged 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 have it is simple in structure, it is of low cost, be conducive to transmission control, and can further eliminate dress
The advantages that transmission control stability being improved with gap.
Description of the drawings
Fig. 1 is a kind of overall structure diagram for the boring processing three-shaft linkage mechanical arm using the present invention.
Fig. 2 is the A-A sectional views of tool position in Fig. 1.
Fig. 3 is that cutter position can show the partial schematic diagram of wedge and 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 structural schematic 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 capableing of display portion axial stretching control segment structure in Fig. 1.
Specific implementation mode
The optimal embodiment of three-shaft linkage mechanical arm and its attached is processed with reference to a kind of boring using the present invention
The present invention is described in further detail for figure.
As shown in figs. 1-7, a kind of optimal embodiment of boring processing three-shaft linkage mechanical arm, including it is whole cylindrical
Handle of a knife and cutter, Cutting tool installation manner is in the segment of cutting of handle of a knife front end, wherein segment of cutting rear end shape successively backward on the handle of a knife
At being useful for the radial feed control section of control cutter radial feeding, rotate in a circumferential direction for control that Tool in Cutting section rotates in a circumferential direction
Control section and axial stretching control section for controlling Tool in Cutting section axial stretching are additionally provided with for realizing in quilt on handle of a knife
Process the cutter stable supporting device of hole inner support.
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 boring range of work big, the wide feature of applicability.
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 simultaneously for installing cutter, cutter include be used to form cutting edge tool bit part 2 and for realizing 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 2 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
With for cut and install different requirements respectively use different materials, with improve cutting edge process intensity while reduce at
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 with transmission input gear engagement realize tool feeding feeding transmission, it is simple in structure and be conducive to transmission ratio
It accurately controls.
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 simultaneously and for realizing the cutter radial of cutter radial feeding transmission side by side
Engagement.
In this way, two driving racks of setting are engaged with cutter radial feeding transmission gear simultaneously, 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 existing back lash is easy using gear engaged transmission, nibbled smaller
The requirement to gear manufacture precision is significantly reduced while closing driving error caused by gap.
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,
7 larger one end of wedge is fixed in the limit of stop screw 8 close to the segment of cutting barrel outer surface of Cutting tool installation manner groove front inner wall
It is fixed；It is simple in structure in this way and the limit of wedge is facilitated to fix.Still further, the first driving rack 4 and the second driving rack 5
The concave-convex fit structure 9 being correspondingly arranged by the side that connects side by side realizes interlocking cooperation, has in the concave-convex fit structure 9 and tilts
An oblique face that is slidably matched in the side that connects；In this way, in assembly, simultaneously by the first driving rack and the second driving rack first
Row arrange, and make both connect side concave-convex fit structure first diagonally the face of being slidably matched be affixed insertion completion part it is embedding
Enter cooperation, cutter radial feeding transmission gear is installed in place, then by smaller one end of wedge from the larger of wedge installation space
One end is inserted into, and two pieces of driving rack phases are squeezed by with being slidably matched for the tilt internal wall on front side of Cutting tool installation manner groove when wedge is inserted into
Mutually close up, two pieces of driving racks rely on the oblique face that is slidably matched in concave-convex fit structure between the two during mutually closing up
Cooperation drives two pieces of driving racks to be moved along the dislocation of itself transmission direction, until cutter radial feeding one tooth socket of transmission gear
Both sides are affixed abutting by a gear teeth of two pieces of driving racks simultaneously；Wedge can not go insertion again at this time, by wedge holding position
Assembly is completed after fixation.Such assembling process directly relies on the insertion cooperation of wedge to eliminate the need for caused by gear drive
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 arranged 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 is in the radial feed control section of mechanical arm front
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, which is arranged forward and is connected with deceleration forward, to be passed
Dynamic system, the deceleration transmission system include for feeding transmission gear 6 with the cutter radial of the driving rack engagement on cutter.
In this way, in radial feed control section, after radial feed control motor output turns to deceleration transmission system slowdown,
It leans on cutter radial feeding transmission gear that rotation is transmitted to driving rack again and is converted into the flexible translation of cutter radial, and then realize
The flexible control of cutter radial, has simple in structure, controls reliable advantage.
Wherein, the deceleration transmission system include harmonic reducing mechanism, harmonic reducing mechanism output end 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 cutter radial is arranged
Feed transmission gear 6.In this way, transmission ratio 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 outside, and harmonic wave intermediate gear 14 and harmonic wave input tooth
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 make harmonic wave deformation of flexible wheel oval, and 15 outer surface of harmonic wave flexbile gear is formed with external tooth
It circle and is engaged in the relatively-stationary internal gear of the both ends of oval long axis and one and radial feed control section cylinder 18, harmonic wave is soft
It takes turns the output end 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
The rotation of harmonic wave intermediate gear is driven by harmonic wave input gear to control motor output shaft, drives the rotation of harmonic wave runner, then lean on 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 leaning on harmonic wave flexbile gear to realize differential gearing 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 makes 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 can be by roller certainly having the component in other directions of part
Body rotation is offset, and will not back be transmitted again, be generated good reversion self-locking effect, and the steady of cutter work is greatly improved
It is qualitative.Still further, the ladder that the generally point diameter of the radial feed transmission shaft 19 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 front 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 19 rear end end face of the radial feed transmission shaft
With limit protrusion axially rearward for realizing 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 makes 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 assembly and limit to harmonic wave intermediate gear.
Wherein, the control section that rotates in a circumferential direction, including a control section that rotates in a circumferential direction being co-axially located in the middle part of mechanical arm
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 drive radial feed control section cylinder 11 to rotate,
It is latter half of outer and between the two 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, driving radial feed control section cylinder back-end 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 used ensures to realize 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
It includes being formed in rotate in a circumferential direction control section cylinder and radial feed to have rotating support shaft bearing structure, the rotating support shaft bearing structure
Ball assembly space between control section cylinder, 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 assembly of ball 24, also have
There are the retainer chamber of the cuboid structure between two spherical crown surfaces, retainer intracavitary that the disconnection of one circle end but entirety are installed
The retainer 25 in circular ring shape is enclosed, ball pilot hole and rotatable for ball 24 is circumferentially evenly arranged on the retainer 25
Ground insertion assembly.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 more convenient in this way ball 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 simultaneously and be arranged radial feed control section cylinder back-end surface of internal cavity rotary drive internal gear 29 engagement simultaneously
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 increased, 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 sets, the rotary drive intermediate gear 28 is mounted in partition.Each component assembly setting more convenient in this way.
Wherein, the axial stretching control section, including one be co-axially located at the post-brachial axial stretching control section of machinery
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 is arranged forward and is connected with 21 rear end of control section cylinder that rotates in a circumferential direction by steering gear 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 the rotation of control section cylinder 21 that prevents from rotating in a circumferential direction.In this way, by silk
The setting of thick stick nut transmission realizes the rotation output conversion that axial stretching is controlled to motor output shaft using simple structure
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 processed 21, including it is axially arranged on that the control section barrel outer surface that rotates in a circumferential direction is latter half of to lead
Further include coordinating one in guide groove 35 guide runner 36 for being fixed on guide section inner surface to slot 35.In this way, 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 include being arranged circumferentially the mounting disk 37 of evagination and to be fixed on circumferential rotation in 34 front end of nut cylinder
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 a setting in the middle part of nut barrel front end end face and after the control section cylinder that rotates in a circumferential direction
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 make after cooperation between the leading flank and the 21 rear end end face of control section cylinder that rotates in a circumferential direction of cross link block 39 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 when screw nut driven auxiliary driving, ensure that the stability of front end transmission.More preferably
Select to 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 the outer support mechanism installation for one section of minor diameter for being formed in handle of a knife outer surface
Section, multigroup outer support mechanism is circumferentially uniformly installed, outer support mechanism includes that can be controlled radially on outer support mechanism construction section
Outwardly directed support element.Facilitate the support realized to handle of a knife certainly in processed hole in this way.Preferably, outer support when implementation
Mechanism construction section can be arranged in 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
The hydraulic cylinder 40 and two link mechanisms set, 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 hinged 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.In this way, real
Supporting point preferably improves stability of strutting system at existing front and back 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
Stating 43 outer surface of support element has 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, constitutes inner end, and the other end is one
A resetting spring 48 is connected on voussoir under acting on and constitutes 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, to be added by its inclined-plane cooperation drive protruding be connected in support element outer end 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 simultaneously supporting
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 the 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 limit is in sliding slot
Interior rolling.Limit 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, realizing that supporting point is more at front and back two
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 and is arranged in the torsional spring of support element inner end hinged place or stretches bullet for an annular in shape circle for being connected to support element outer end
Spring.The former torsional spring compact structure is simple, and the adjustable spring of the latter can further increase support element action synchronism.
Claims (5)
1. a kind of deep hole boring mechanical arm cuts segment structure, which is characterized in that the segment of cutting includes a segment of cutting cylinder, is cut
It cuts a section cylinder forward position to be provided with Cutting tool installation manner groove and be used to that cutter to be installed, cutter includes the cutter head portion for being used to form cutting edge
Divide and for realizing the installation handle portion that installation and cutter radial feeding are driven, the cutting-edge of tool bit part exposes outside cutter
Mounting groove, tool bit part and installation handle portion split-type design and being fixed by bolts are connected as one；
It installs and is provided with driving rack on the medial surface of handle portion for realizing cutter radial feeding transmission；
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 engages simultaneously and for realizing the cutter radial feeding transmission gear of cutter radial feeding transmission, make two transmissions
Two gear teeth for misplacing adjacent in rack fit to the front and rear sides of cutter radial feeding one tooth socket of transmission gear respectively；
Cutting tool installation manner groove front inner wall, which is obliquely installed, and that one end consistent with cutter radial direction of feed in front inner wall is past leans on
The direction of nearly cutter tilts, and is equipped with one piece of wedge between outer wall on front side of the Cutting tool installation manner groove front inner wall and cutter, tiltedly
It is inclined-plane that iron and Cutting tool installation manner groove front inner wall, which are affixed side, and it is consistent with tool feeding direction that wedge is affixed side with cutter
It faces directly.
2. deep hole boring mechanical arm as described in claim 1 cuts segment structure, which is characterized in that tool bit part is closed using hard
Golden material is made, and installation handle portion is obtained using No. 45 steels.
3. deep hole boring mechanical arm as described in claim 1 cuts segment structure, which is characterized in that the larger one end of wedge is fixed
It limits and fixes in the stop screw of the segment of cutting barrel outer surface close to Cutting tool installation manner groove front inner wall.
4. deep hole boring mechanical arm as described in claim 1 cuts segment structure, which is characterized in that the first driving rack and second
The concave-convex fit structure that driving rack is correspondingly arranged by the side that connects side by side realizes interlocking cooperation, has in the concave-convex fit structure
There is one that favours the side that the connects oblique face that is slidably matched.
5. deep hole boring mechanical arm as described in claim 1 cuts segment structure, which is characterized in that be affixed one in wedge and cutter
Multiple roller slots are arranged along perpendicular to cutter radial direction of feed in side, and the multiple roller slot is uniform along cutter radial direction of feed
Be intervally arranged, hollow rollers are installed in the roller slot and hollow rollers outer surface be exposed to roller slot and for and cutter before
Side fits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610197743.1A CN105665763B (en) | 2016-03-31 | 2016-03-31 | A kind of deep hole boring mechanical arm cutting segment structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610197743.1A CN105665763B (en) | 2016-03-31 | 2016-03-31 | A kind of deep hole boring mechanical arm cutting segment structure |
Publications (2)
| Publication Number | Publication Date |
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| CN105665763A CN105665763A (en) | 2016-06-15 |
| CN105665763B true CN105665763B (en) | 2018-08-17 |
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| CN201610197743.1A Expired - Fee Related CN105665763B (en) | 2016-03-31 | 2016-03-31 | A kind of deep hole boring mechanical arm cutting segment structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106735352B (en) * | 2016-11-30 | 2018-08-03 | 重庆市成吉思机械制造有限公司 | Combined type boring cutter for motorcycle cylinder body |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188866A (en) * | 1996-12-31 | 1998-07-29 | 三星电子株式会社 | Double gear |
| CN202431885U (en) * | 2011-11-15 | 2012-09-12 | 王斌武 | Clearance-eliminating rack |
| CN104942609A (en) * | 2015-07-08 | 2015-09-30 | 湖北汽车工业学院 | Gear rack drive revolving worktable |
| CN104964022A (en) * | 2015-07-08 | 2015-10-07 | 湖北汽车工业学院 | Gear and rack transmission anti-backlash mechanism |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100356031C (en) * | 2004-10-20 | 2007-12-19 | 重庆大学 | Drilling robot for installing pipe |
| CN101961793B (en) * | 2009-08-18 | 2012-03-21 | 西安航空发动机（集团）有限公司 | Tip-extension type deep hole boring cutter rod |
| CN202621993U (en) * | 2011-11-30 | 2012-12-26 | 上海重型机床厂有限公司 | Numerical control heavy type deep hole drilling boring mill double rack feeding mechanism |
| CN102717118B (en) * | 2012-06-25 | 2015-12-30 | 中北大学 | A kind of cylinder deep hole boring device with supplemental support |
| JP5602218B2 (en) * | 2012-12-25 | 2014-10-08 | マキノジェイ株式会社 | Boring tools and machine tools |
| CN103072131B (en) * | 2013-01-07 | 2016-02-24 | 重庆工商职业学院 | Deep hole machining machinery hand |
| CN103495892A (en) * | 2013-09-29 | 2014-01-08 | 大连机床(数控)股份有限公司 | Double-staggered-teeth slider tool |
-
2016
- 2016-03-31 CN CN201610197743.1A patent/CN105665763B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188866A (en) * | 1996-12-31 | 1998-07-29 | 三星电子株式会社 | Double gear |
| CN202431885U (en) * | 2011-11-15 | 2012-09-12 | 王斌武 | Clearance-eliminating rack |
| CN104942609A (en) * | 2015-07-08 | 2015-09-30 | 湖北汽车工业学院 | Gear rack drive revolving worktable |
| CN104964022A (en) * | 2015-07-08 | 2015-10-07 | 湖北汽车工业学院 | Gear and rack transmission anti-backlash mechanism |
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| CN105665763A (en) | 2016-06-15 |
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