CN105618817B - A kind of boring machinery arm axle is to extension and contraction control segment structure - Google Patents
A kind of boring machinery arm axle is to extension and contraction control segment structure Download PDFInfo
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- CN105618817B CN105618817B CN201610197734.2A CN201610197734A CN105618817B CN 105618817 B CN105618817 B CN 105618817B CN 201610197734 A CN201610197734 A CN 201610197734A CN 105618817 B CN105618817 B CN 105618817B
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- control section
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- cylinder
- extension
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
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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
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
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Abstract
The invention discloses a kind of boring machinery arm axle to extension and contraction control segment structure, it is characterized in that, the axial stretching control section, the post-brachial axial stretching control section cylinder of machinery is co-axially located at including one, axial stretching controlled motor is installed, the axial stretching controlled motor output shaft sets forward and connected by steering gear with the control section rear end that rotates in a circumferential direction and can drive the elastic motion of the control section that rotates in a circumferential direction in axial stretching control section cylinder back-end inner chamber.The present invention has simple in construction, and control is reliable, the advantages that beneficial to control and high control accuracy.
Description
Technical field
The invention belongs to the boring manufacture field of complicated shape of hole wall, and in particular to a kind of boring machinery arm axle is to flexible control
Segment structure processed.
Background technology
Boring is a kind of useCutterThe internal diameter of expanded hole or other circular contoursCuttingTechnique, its application is typically from half
To finishing, cutter for same is usually for roughingBoring cutterOr boring bar.Bore hole be to forging, cast out or drilling bore hole further plus
Work, belong 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 comprise handle of a knife and be arranged on the cutter of handle of a knife front end, handle of a knife rear end is arranged 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 characteristics is limited, adds for depth deep hole boring of more than 6 times more than diameter
Work, and some more complicated structures for example spirally break 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 separately machined, applicant examines
Worry devises a kind of boring processing three-shaft linkage mechanical arm, including overall cylindrical handle of a knife and cutter, and Cutting tool installation manner is in knife
In the segment of cutting of handle front end, its feature is, segment of cutting rear end is sequentially formed with for controlling cutter footpath backward on the handle of a knife
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, be additionally provided with handle of a knife and be processed the cutter of hole inner support for realizing
Stable supporting device.So, the mechanical arm can lean on cutter stable supporting device to be supported on inside processed hole, then processed
Three-shaft linkage can be produced in journey, while rotating boring by the control section control that rotates in a circumferential direction cutter can be controlled radially to feed
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.
But wherein, how should design to extension and contraction control section and its front end connected structure for boring machinery arm axle, just have
Have simple in construction, control is reliable, turns into the problem of needing further to be considered beneficial to control and control accuracy height and other effects.
The content of the invention
For above-mentioned the deficiencies in the prior art, the technical problems to be solved by the invention are：How a kind of structure letter is provided
Single, control is reliable, beneficial to control and the high boring machinery arm axle of control accuracy to extension and contraction control segment structure.
In order to solve the above-mentioned technical problem, present invention employs following technical scheme：
A kind of boring machinery arm axle is to extension and contraction control segment structure, it is characterised in that the axial stretching control section, including one
Individual to be co-axially located at the post-brachial axial stretching control section cylinder of machinery, axial stretching control section cylinder back-end is provided with inner chamber
Axial stretching controlled motor, the axial stretching controlled motor output shaft set forward and by steering gears and circumferential rotation
Turn the connection of control section rear end and the elastic motion of the control section that rotates in a circumferential direction can be driven.
So, simple in construction and convenient realize is controlled the axial stretching of cutter.
As optimization, the steering gear includes a leading screw being coaxially disposed with mechanical arm, leading screw rear end and axle
It is connected to extension and contraction control motor output shaft, leading screw front end is inserted into the nut a being coaxially disposed cylinder, nut cylinder back-end
Inner chamber is provided with internal thread and leading screw engagement, and nut barrel front end connects with the control section rear end that rotates in a circumferential direction, steering gear
Also include being used to prevent the guide frame that control section rotates that rotates in a circumferential direction.So, by the secondary setting of screw nut driven, use
Simple structure realizes the axial direction that the rotation output of axial stretching controlled motor output shaft is converted into the control section that rotates in a circumferential direction
Translation, simple in construction and control are reliable.
Further, the guide frame includes extending forwardly into positioned at axial stretching control section barrel front end rotating in a circumferential direction
The latter half of outer guide section of control section, including the latter half of guide groove in control section outer surface that rotates in a circumferential direction is axially arranged on, also
Including coordinating a guide runner for being fixed on guide section inner surface in guide groove.So, structure setting is directed in week
It is latter half of outer to rotation control section, overall structure stability can be preferably improved convenient for assembly while.
Further, floating connecting structure is provided between the nut barrel front end and the control section rear end that rotates in a circumferential direction,
The floating connecting structure, which includes being arranged on nut barrel front end, circumferentially the mounting disk of evagination and is fixed on the control that rotates in a circumferential direction
A Duan Houduan mounting ring, mounting ring aft end interior surface is inwardly protruding and is articulated on mounting disk trailing flank；Floating connection knot
Position between structure is also included in the middle part of the control section rear end end face that is arranged in the middle part of nut barrel front end end face and rotates in a circumferential direction
Cross contiguous block, it is concavo-convex that first is radially formed between the leading flank of cross contiguous block and the control section rear end end face that rotates in a circumferential direction
Fit structure, the second male-female engagement knot is radially formed between the trailing flank and nut barrel front end end face of cross contiguous block
Structure, the first concave-convex fit structure and the second concave-convex fit structure setting direction are mutually perpendicular to and cause cross contiguous block after coordinating
Between leading flank and the control section rear end end face that the rotates in a circumferential direction and trailing flank of cross contiguous block and nut barrel front end end face it
Between leave flying height.
So, nut cylinder promotes the control section advance that rotates in a circumferential direction by cross contiguous block passing power, by mounting ring and extension
Connect disk mounting passing power and drive rotate in a circumferential direction control section retrogressing, during advance feed, the bumps of cross contiguous block both sides
Fit structure can transmit moment of torsion and thrust, while the beat of cross contiguous block generation certain angle can be allowed by flying height
Without influenceing the transmission of thrust and moment of torsion, and then eliminate the need for shaking caused by screw nut driven auxiliary driving, before ensure that
Hold the stability of transmission.
Preferably selection is respective groove and male cooperation in the first concave-convex fit structure and the second concave-convex fit structure
Apical grafting face is the arc along groove length direction.So arc, which coordinates, enables to along arc turn in cross contiguous block swing process
It is dynamic to be collided without producing, preferably improve transmission stability.
As optimization, cutter stable supporting device is additionally provided with axial stretching control section cylinder, including be formed at axial direction
The outer support mechanism construction section of one section of minor diameter of extension and contraction control section barrel outer surface, circumferentially uniform peace on outer support mechanism construction section
Equipped with multigroup outer support mechanism, outer support mechanism includes that the support member radially stretched out can be controlled.
It is so convenient to realize to support of the handle of a knife certainly in processed hole.Preferably, outer support mechanism is installed during implementation
Section can be arranged on axial stretching control section barrel outer surface and internally positioned leading screw position, and the position can play more preferably
The effect of ground supporting ＆ stablizing handle of a knife.
Further, the outer support mechanism can be the outer support mechanism of link-type, and the outer support mechanism of the link-type is included along axle
Hydraulic cylinder and two bar linkage structures to setting, two bar linkage structures include first connecting rod, second connecting rod and support member, first connecting rod
One end is hinged on the outer support mechanism construction section in front of hydraulic cylinder extension arm, and one end of second connecting rod is hinged on hydraulic cylinder extension arm
The other end of front position, first connecting rod and second connecting rod is hinged on the inside of support member jointly causes hydraulic cylinder on same hinge
Telescopic arm can be driven when protruding first connecting rod and second connecting rod more distally relatively move and by support member radially
Jack up.So there is the advantages that simple in construction, easy to control, while two bar linkage structures can further to support support member
Go out to hold out against to present close to radial direction as far as possible in processed hole inwall back link and hold out against, so produce self-locking effect, hydraulic cylinder is not
With larger abutting reaction force is undertaken, ensure that support effect is reliable and stable.Further, the hydraulic cylinder is double-rod hydraulic pressure
Cylinder, before two bar linkage structure is symmetrically arranged in the telescopic arm at hydraulic cylinder both ends.So, two before and after realization at the strong point preferably
Improve stability of strutting system.As optimization, hydraulic cylinder extension arm front end is connected with one and is coaxially set on outer support mechanism construction section
The synchronous collar, second connecting rod is hinged on the synchronous collar.The outer support mechanism uniformity of each group can so be better ensured that.
In addition, the outer support mechanism can also be the outer support mechanism of Wedge-type, the outer support mechanism of the Wedge-type is included vertically
The hydraulic cylinder of setting, the voussoir and support member being successively set in front of hydraulic cylinder extension arm, support member integrally tie by curved bulk
One end of structure and arcuate directions, which is hinged on outer support mechanism construction section, forms the inner, and the other end supports under an action of reset spring
It is connected on voussoir and forms outer end, the side surface of voussoir and support member contact is inclined oblique radially inward towards support member direction
Face, voussoir connect away from support member one end with hydraulic cylinder extension arm front end.So, controlling hydraulic cylinder extension arm to stretch out can drive
Voussoir coordinates by its inclined-plane drives support member outer end is protruding to be connected on processed hole inwall；Therefore with simple in construction, dress
With the advantages that convenient, control is quick on the draw；The reaction force of support member is largely transferred to form edge on voussoir when supporting simultaneously
The radially inner component of voussoir and then it is cancelled, hydraulic cylinder does not have to undertake larger abutting reaction force, ensures that support effect is steady
It is fixed reliable.Further, the support member outer end is provided with back-up roller wheel and leans on back-up roller wheel surface and voussoir and be processed
Support is realized in hole inwall contact, so reduces frictional force by rolling, improves stability of strutting system.Further, the hydraulic cylinder
For dual-rod hydraulic cylinder, and the voussoir and supporting piece structure of cooperation are arranged with before the telescopic arm at both ends.So, at two before and after realization
The strong point preferably improves stability of strutting system.As optimization, corresponding voussoir is circumferentially connected as ring-type in the outer support mechanism of each group
Synchronous slip ring is integrally formed.The outer support mechanism uniformity of each group can so be better ensured that.Further, the back-moving spring
Can be to be arranged on the torsion spring of support member the inner hinged place or be one it is annular in shape be connected to support member outer end a circle it is flexible
Spring.The former torsion spring compact structure is simple, and the adjustable spring of the latter can further improve support member action synchronism.
As optimization, the control section that rotates in a circumferential direction, including a control that rotates in a circumferential direction being co-axially located in the middle part of mechanical arm
Section cylinder processed, the control section that rotates in a circumferential direction cylinder back-end are connected with steering gear, and guide groove is arranged on the control section that rotates in a circumferential direction
Barrel outer surface is latter half of；The control section that rotates in a circumferential direction inner barrel is provided with the controlled motor that rotates in a circumferential direction, the control that rotates in a circumferential direction
Motor output shaft processed is connected forward with radial feed control section rear end and is used to drive radial feed control section to rotate, the circumference
Rotation control section cylinder first half coaxially encloses that to be located at radial feed control section latter half of outer and slip-ring brush is provided therebetween.
So, the setting of the control section that rotates in a circumferential direction cylinder conveniently rotates in a circumferential direction the installation of controlled motor, and convenient and axle
Linking to extension and contraction control section.Then radial feed control section rear end integral-rotation is driven by the controlled motor that rotates in a circumferential direction, realized
Control to cutter rotation processing, wherein the slip-ring brush used ensures to realize the motor of radial feed control section inner barrel
Control electric current conducting, ensure that the reliability of Tool Control.
In summary, the present invention has simple in construction, and control is reliable, the advantages that beneficial to control and high control accuracy.
Brief description of the drawings
Fig. 1 is the overall structure diagram that three-shaft linkage mechanical arm is processed in a kind of boring for employing 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 wedge and the partial schematic diagram of driving rack planar structure in Fig. 1.
Fig. 4 is the schematic diagram that rotating support shaft bearing structure position individually shows rotating support shaft bearing structure in Fig. 1.
Fig. 5 is the structural representation 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.
Embodiment
With reference to a kind of boring processing optimal embodiment of three-shaft linkage mechanical arm for employing the present invention and its attached
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 overall 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 shape successively backward on the handle of a knife
Into having for controlling radial feed control section that cutter radial feeds, for controlling what Tool in Cutting section rotated in a circumferential direction to rotate in a circumferential direction
Control section and the axial stretching control section for controlling Tool in Cutting section axial stretching, it is additionally provided with handle of a knife for realizing in quilt
Process the cutter stable supporting device of hole inner support.
So, above-mentioned mechanical arm can lean on cutter stable supporting device to be supported on inside processed hole, then process
In can produce 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 the forward position of segment of cutting cylinder 1 is provided with Cutting tool installation manner
Groove simultaneously is used to install cutter, and cutter includes the tool bit part 2 for forming cutting edge and entered for realizing to install with cutter radial
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 connected to one using bolt, being provided with driving rack on the medial surface of installation handle portion 3 is used for
Realize cutter radial feeding transmission.
So, cutter is realized using cutter head and installing handle two-part structure, and cutting edge is formed by tool bit part, so, can
Each to use different materials for cutting and installing different requirements, with improve cutting edge processing intensity while reduce into
This, specifically, tool bit part is made using Hardmetal materials, and installation handle portion is obtained using No. 45 steels.Simultaneously by cutter
It is divided into two parts, convenient install sets drive mechanism to realize cutter radial feeding transmission in handle portion.The drive mechanism uses
Driving rack, tool feeding feeding transmission can be conveniently realized with transmission input gear engagement, it is simple in construction and be beneficial 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 simultaneously and for realizing that the cutter radial of cutter radial feeding transmission feeds travelling gear 6 side by side
Engagement.
So, set two driving racks simultaneously and cutter radial feeding travelling gear engages, two driving cogs can be leaned on
Bar shifts to install, and two gear teeth for making to misplace adjacent in two driving rack fit to cutter radial feeding driving cog respectively
Take turns the front and rear sides of a teeth groove；Thus eliminating the need meshed transmission gear easily existing back lash is used, 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
Hold toward close to the direction of cutter and tilt, 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
Faced directly to consistent；It so can preferably eliminate axial gap caused by Cutting tool installation manner and facilitate 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 is spacing
It is fixed；Spacing fixation that is so simple in construction and facilitating wedge.Yet further, the first driving rack 4 and the second driving rack 5
Realize that interlocking coordinates by the concave-convex fit structure 9 that the side that connects side by side is correspondingly arranged, have in the concave-convex fit structure 9 and tilt
In an oblique face that is slidably matched of the side that connects；So, in assembling, by the first driving rack and the second driving rack simultaneously first
Row arrange, and cause the two connect side concave-convex fit structure first diagonally the face of being slidably matched be affixed insertion completion part it is embedding
Enter to coordinate, cutter radial feeding travelling gear is installed in place, then by smaller one end of wedge from the larger of wedge installing space
One end is inserted, by the two pieces of driving rack phases of extruding that are slidably matched with the tilt internal wall on front side of Cutting tool installation manner groove when wedge inserts
Mutually close up, two pieces of driving racks rely on the oblique face that is slidably matched in concave-convex fit structure therebetween during mutually closing up
Coordinate and drive two pieces of driving racks to be moved along the dislocation of itself transmission direction, until cutter radial feeding one teeth groove of travelling gear
Both sides are affixed abutting by a gear teeth of two pieces of driving racks simultaneously；Now wedge can not go insertion again, by wedge holding position
Assembling is completed after fixation.Such assembling process directly coordinates by the insertion of wedge eliminate the need for gear drive caused by
Also the axial gap of Cutting tool installation manner is eliminated while fit clearance together；And efficiency of assembling is drastically increased, ensure dress
With reliability.Yet further, can wedge 7 and cutter be affixed side along perpendicular to cutter radial direction of feed set it is multiple
Roller slot, the multiple roller slot are arranged along cutter radial direction of feed uniform intervals, and hollow rolling is provided with the roller slot
Post 10 and the outer surface of hollow rollers 10 are exposed to roller slot and for being fitted with cutter leading flank.So hollow rollers will assemble
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
Post uses 60Si2Mn spring steel material, and damping effect is improved preferably to produce elasticity.
Wherein, the radial feed control section, including one be coaxially disposed in the anterior radial feed control section of mechanical arm
Cylinder 11, the front end of radial feed control section cylinder 11 are fixedly connected with segment of cutting cylinder, radial feed control section inner barrel peace
Equipped with radial feed controlled motor 12, the output shaft of radial feed controlled motor 12 sets forward and is connected with deceleration forward and passes
Dynamic system, the deceleration transmission system include being used for the cutter radial feeding travelling gear 6 with the driving rack engagement on cutter.
So, in radial feed control section, after turning to deceleration transmission system slowdown by the output of radial feed controlled motor,
The translation for being delivered to driving rack and being converted into cutter radial and stretching will be rotated by cutter radial feeding travelling gear again, and then will be realized
The flexible control of cutter radial, has simple in construction, controls the advantages of reliable.
Wherein, the deceleration transmission system includes harmonic reducing mechanism, and harmonic reducing mechanism output end and a radial direction are entered
It is connected to power transmission shaft 19, the front end of radial feed power transmission shaft 19 extends in the internal cavities of segment of cutting cylinder 1 and sets cutter radial
Feed travelling gear 6.So, gearratio can be greatly reduced as deceleration transmission system using harmonic reducing mechanism, 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 controlled motor output shaft
Wheel 13, harmonic wave input gear 13 have been evenly arranged several harmonic wave idler gears 14, the harmonic of harmonic wave idler gear 14 input tooth outside
The engagement of wheel 13, harmonic wave idler gear 14 have the harmonic wave runner 15 that a harmonic input gear is coaxially disposed, harmonic wave runner outside
15 there is ring gear harmonic idler gear 14 to engage, and harmonic wave flexbile gear 16, the appearance of harmonic wave runner 15 are arranged with outside harmonic wave runner 15
The diametrically opposite both ends in face be also symmetrically installed with two radially raised ripple component 17 occurs, ripple occurs outside component 17
The inner surface of end harmonic flexbile gear 16 abuts and make it that harmonic wave deformation of flexible wheel is oval, and the outer surface of harmonic wave flexbile gear 16 is formed with outer
Gear ring and engaged the both ends of oval major axis and one with the relatively-stationary internal gear 18 of radial feed control section cylinder, harmonic wave
The front end of flexbile gear 16 is the output end of harmonic reducing mechanism and is connected with the rear end of radial feed power transmission shaft 19.So, during work radially
Feed controlled motor output shaft drives harmonic wave idler gear to rotate by harmonic wave input gear, drives the rotation of harmonic wave runner, then lean on
Ripple occurs component and drives harmonic wave flexbile gear and the cooperation of fixed external toothing to produce differential reversion；By humorous so in the harmonic reducing mechanism
Ripple idler gear first realizes first order deceleration transmission, drives radial feed to pass after then realizing differential gearing by harmonic wave flexbile gear again
Moving axis rotation output, therefore can drastically increase deceleration transmission effect, ensure that the stability of cutter radial feeding and controllable
Property, improve radial feed control accuracy.Yet further, it is axially disposed roller that component 17, which occurs, for the ripple.So
Ripple can occur to form rolling cooperation between component harmonic flexbile gear for the setting of roller, and greatly reduction friction reduces abrasion and carried
High transmission stability, and more importantly structure setting make it that bearing cutting buffer brake when cutter work is delivered to this herein
Roller can be converted into behind place in the pressure along harmonic wave runner radially, and can also be rolled even if the component for there are other directions of part
Post itself rotation is offset, and will not back be transmitted again, be produced good reversion self-locking effect, drastically increases cutter work
Stability.Yet further, the ladder that the radial feed power transmission shaft 19 generally point diameter reduces is discoid, radially enters
Respectively it is arranged on to the end positions for being located at cutter radial feeding travelling gear on power transmission shaft by a bearing in segment of cutting cylinder 1
In chamber.Stable drive can be so better ensured that, improves stability.Yet further, the rear end of radial feed power transmission shaft 19 week
Set up the front end of the grafting groove harmonic flexbile gear 16 grafting male cooperation that circumferentially evagination is set and realize connection.So insert
The space left in groove and radially fluctuated for the grafting projection of harmonic wave flexbile gear front end is connect, uses this flexible connection transmission can be with
The vibration that harmonic carcellation flexbile gear radial deformation is brought to transmission process, ensure transmission stability.The further radial feed
The forward end seal of control section cylinder 11 is fixed by socket outside the rear end of segment of cutting cylinder 1, and the internal gear 18 is fixedly installed on cutting
On the section rear end surface of internal cavity of cylinder 1, such structural integrity is more preferable and is more favorable for sealed set.Further harmonic wave speed reducing machine
Structure front position is additionally provided with overall harmonic wave wheel seat 20 in the form of annular discs, and the peripheral position of harmonic wave wheel seat 20, which is fixed on, radially to be entered
On a step surface anterior to the inner chamber of control section cylinder 11, the rotary gear shaft inside the harmonic wave idler gear is fixed on
On harmonic wave wheel seat.The setting of so harmonic wave wheel seat more facilitates the installation settings of each component in harmonic reducing mechanism.Further,
There is the spacing preiection of evagination on the rear end end face of harmonic wave runner 15 and cooperation is inserted into the one of the front end surface of harmonic wave wheel seat 20
Harmonic wave runner radially spacing, face harmonic wave runner 15 on the rear end end face of radial feed power transmission shaft 19 is realized in individual stopper slot
Put and be used to realize to the positioning on the axial direction of harmonic wave runner 15 with spacing preiection axially rearward.Can be more preferable after so assembling
The positioning on radial and axial to harmonic wave runner is realized on ground, and is caused among the harmonic of radial feed transmission shaft rear end end face
Installing space is reserved between gear front end surface, the installing space is installed spacing for harmonic wave idler gear in its rotary gear shaft front end
Pin realizes assembling to harmonic wave idler gear and spacing.
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, the control section that rotates in a circumferential direction inner barrel are provided with the controlled motor that rotates in a circumferential direction, the controlled motor output shaft that rotates in a circumferential direction
It is connected with the rear end of radial feed control section cylinder 11 forward and is used to drive radial feed control section cylinder 11 to rotate, the circumference
Rotation control section cylinder first half coaxially encloses that to be located at radial feed control section cylinder latter half of outer and slip ring is provided therebetween
Brush 23.
So, radial feed control section cylinder back-end integral-rotation is driven by the controlled motor that rotates in a circumferential direction, realized 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, it 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 at rotate in a circumferential direction control section cylinder and radial feed
Ball assembly space between control section cylinder, the ball assembly space inner chamber are formed at 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 ball 24 coordinate assembling, also have
There is the retainer chamber of the cuboid structure between two spherical crown surfaces, retainer intracavitary is provided with circle end disconnection but entirety
The retainer 25 in annular is enclosed, ball pilot hole is circumferentially evenly arranged with the retainer 25 and supplies ball 24 rotatable
Ground insertion assembling.In such manner, it is possible to which the rotation support to radial feed control section cylinder is better achieved, rotary flat is greatly enhanced
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 latch 27, the slot inner surface of sprue 26 and ball assembly space
Inner wall surface is consistent.So more facilitate the loading of ball and retainer.
Wherein, rotary drive driving gear is provided with the controlled motor output shaft that rotates in a circumferential direction, rotary drive is actively
Outer peripheral gear has been evenly arranged multiple rotary drive idler gear 28 and rotary drive driving gear engagements, rotary drive center tooth
Wheel 28 engages and with radius vector with the rotary drive internal gear 29 for being arranged on radial feed control section cylinder back-end surface of internal cavity simultaneously
Rotated to feeding control section cylinder 11.So gearratio of the setting conveniently regulating and controlling rotary drive of rotary drive idler gear, together
When can further improve the stability of transmission, improve device resistance to overturning.
Wherein, the middle part of the control section that rotates in a circumferential direction cylinder lumen vertically extends inwardly to form a cut-off 30, after separating 30
Square circumferentially to rotate controlled motor installing space, the controlled motor output shaft that rotates in a circumferential direction penetrates rotatably cut-off 30 and set
Put, the rotary drive idler gear 28 is mounted on cut-off.Each component assembling is so more facilitated to set.
Wherein, the axial stretching control section, including one be co-axially located at the post-brachial axial stretching control section of machinery
Cylinder 31, axial stretching controlled motor, the axial stretching control are installed in the rear end inner chamber of axial stretching control section cylinder 31
Motor output shaft sets forward and is connected by steering gear with the control section cylinder back-end that rotates in a circumferential direction and can drive week
To the rotation elastic motion of control section cylinder.So, simple in construction and convenient realize is controlled the axial stretching of cutter.
Wherein, the steering gear includes a leading screw 33 being coaxially disposed with mechanical arm, the rear end of leading screw 33 and axle
It is connected to the output shaft of extension and contraction control motor 31, the front end of leading screw 33 is inserted into the nut a being coaxially disposed cylinder 34, nut cylinder
The rear end inner chamber of body 34 is provided with internal thread and leading screw 33 engages, the front end of nut cylinder 34 and the control section cylinder back-end company that rotates in a circumferential direction
Connect, steering gear also includes being used to prevent the guide frame that control section cylinder rotates that rotates in a circumferential direction.So, by leading screw spiral shell
The setting of female transmission, realized using simple structure and the rotation output of axial stretching controlled motor output shaft is converted into week
To the axial translation of rotation control section cylinder, simple in construction and control is reliable.
Wherein, the guide frame includes extending forwardly into the control that rotates in a circumferential direction positioned at the front end of axial stretching control section cylinder 31
The latter half of outer guide section of section cylinder processed, including it is axially arranged on the latter half of guiding of control section barrel outer surface that rotates in a circumferential direction
Groove, in addition to coordinate a guide runner 36 for being fixed on guide section inner surface in guide groove.So, structure is directed to set
Put latter half of outer in the control section cylinder that rotates in a circumferential direction, can preferably improve overall structure stability convenient for assembly while.
Wherein, it is provided with floating connection knot between the front end of nut cylinder 34 and the control section cylinder back-end that rotates in a circumferential direction
Structure, the floating connecting structure, which includes being arranged on the front end of nut cylinder 34, circumferentially the mounting disk 37 of evagination and is fixed on circumferential rotation
Turn a mounting ring 38 of control section cylinder back-end, the mounting aft end interior surface of ring 38 is inwardly protruding and is articulated in the rear side of mounting disk 37
On face；Floating connecting structure is also arranged in the middle part of nut barrel front end end face and the control section cylinder back-end that rotates in a circumferential direction including one
The cross contiguous block 39 of position between in the middle part of end face, the leading flank of cross contiguous block 39 and the control section cylinder back-end end that rotates in a circumferential direction
Be radially formed the first concave-convex fit structure between face, the trailing flank of cross contiguous block 39 and the front end surface of nut cylinder 34 it
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 are mutual
It is vertical and cause after coordinating between the leading flank of cross contiguous block 39 and the control section cylinder back-end end face that rotates in a circumferential direction and cross
Flying height is left between the trailing flank of contiguous block 39 and the front end surface of nut cylinder 34.So, nut cylinder connects by cross
Connect block passing power and promote the control section cylinder advance that rotates in a circumferential direction, circumferential rotation is driven by mounting ring and mounting disk mounting passing power
Turn the retrogressing of control section cylinder, during advance feed, the concave-convex fit structures of cross contiguous block both sides can transmit moment of torsion and
Thrust, while by flying height cross contiguous block can be allowed to produce biography of the beat of certain angle without influenceing thrust and moment of torsion
Pass, and then eliminate the need for shaking caused by screw nut driven auxiliary driving, ensure that the stability of front end transmission.Preferably choosing
Select be respective groove and male cooperation in the first concave-convex fit structure and the second concave-convex fit structure apical grafting face be along groove grow
Spend the arc in direction.So arc, which coordinates, enables in cross contiguous block swing process along arcuate rotation without producing collision,
Preferably improve transmission stability.
Wherein, cutter stable supporting device includes being formed at 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 being controlled radially on outer support mechanism construction section
Outwardly directed support member.It is so convenient to 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, and the position 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 vertically
The hydraulic cylinder and two bar linkage structures put, two bar linkage structures include first connecting rod, second connecting rod and support member, one end of first connecting rod
It is hinged on the outer support mechanism construction section in front of hydraulic cylinder extension arm, one end of second connecting rod is hinged on hydraulic cylinder extension arm front end
The other end of position, first connecting rod and second connecting rod is hinged on the inside of support member jointly causes hydraulic cylinder extension on same hinge
Arm can drive first connecting rod and second connecting rod more distally to relatively move and radially jack up support member when protruding.
So there is the advantages that simple in construction, easy to control, while two bar linkage structures can further cause support member overhanging top
Tightly present close to radial direction and hold out against as far as possible in processed hole inwall back link, so produce self-locking effect, hydraulic cylinder does not have to hold
Larger abutting reaction force is carried on a shoulder pole, ensures that support effect is reliable and stable.Further, the hydraulic cylinder is dual-rod hydraulic cylinder, institute
State before two bar linkage structures are symmetrically arranged in the telescopic arm at hydraulic cylinder both ends.So, two before and after realization at the strong point preferably improve
Stability of strutting system.As optimization, hydraulic cylinder extension arm front end be connected with one be coaxially set in it is same on outer support mechanism construction section
The collar is walked, second connecting rod is hinged on the synchronous collar.The outer support mechanism uniformity of each group can so be better ensured that.Further
Ground, the support member entirety rectangular-blocklike and outer surface are the arcwall face of evagination, preferably can be so beneficial to outside support member
Support is realized in surface and hole inwall to be processed fitting.Further described support member outer surface has one layer of elastomeric layer.
So, present age processing hole internal diameter change causes elastic deformation can be leaned on to realize fitting when support member outer surface arc is inconsistent, carries
High 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 bag of the Wedge-type
Axially disposed hydraulic cylinder 45 is included, the voussoir 46 and support member 47 being successively set in front of the telescopic arm of hydraulic cylinder 45, support member
One end of 47 overall curved block structures and arcuate directions, which is hinged on outer support mechanism construction section, forms the inner, and the other end is one
Individual back-moving spring 48 is connected on voussoir under acting on and forms outer end, and the side surface that voussoir 46 and support member 47 contact is towards support
Inclined inclined-plane, voussoir 46 connect away from the one end of support member 47 with hydraulic cylinder extension arm front end radially inward in part direction.So,
Control hydraulic cylinder extension arm, which stretches out with dynamic voussoir by its inclined-plane to coordinate, drives protruding be connected in support member outer end to be added
On the inwall of work hole；Therefore with simple in construction, easy to assembly, the advantages that control is quick on the draw；The anti-work of support member when supporting simultaneously
Firmly it is largely transferred to be formed along the radially inner component of voussoir and then be cancelled on voussoir, hydraulic cylinder is larger without undertaking
Reaction force is pushed against, ensures that support effect is reliable and stable.Further, the outer end of support member 47 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 inwall, so frictional force is reduced by rolling, improves
Stability of strutting system.Further direct-axis coordinates spacing in chute to chute, the roller is provided with the inclined-plane of the voussoir 46
Interior rolling.Spacing, the stationarity of the outer support process of guarantee is so better achieved.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.So, two before and after realization at the strong point more
Improve stability of strutting system well.As optimization, corresponding voussoir 46 is circumferentially connected as the entirety of ring-type in the outer support mechanism of each group
Form synchronous slip ring 49.The outer support mechanism uniformity of each group can so be better ensured that.Further, the back-moving spring 48 can
Think the torsion spring for being arranged on support member the inner hinged place or be annularly connected to the one of support member outer end for one and enclose flexible bullet
Spring.The former torsion spring compact structure is simple, and the adjustable spring of the latter can further improve support member action synchronism.
Claims (8)
1. a kind of boring machinery arm axle is to extension and contraction control segment structure, it is characterised in that the axial stretching control section, including one
The post-brachial axial stretching control section cylinder of machinery is co-axially located at, axial stretching control section cylinder back-end is provided with axle in inner chamber
To extension and contraction control motor, the axial stretching controlled motor output shaft sets forward and by steering gear and rotating in a circumferential direction
Control section rear end connects and can drive the elastic motion of the control section that rotates in a circumferential direction；
The steering gear includes a leading screw being coaxially disposed with mechanical arm, leading screw rear end and axial stretching controlled motor
Output shaft is connected, and leading screw front end is inserted into the nut a being coaxially disposed cylinder, and nut cylinder back-end inner chamber is provided with interior spiral shell
Line and leading screw engagement, nut barrel front end connect with the control section rear end that rotates in a circumferential direction, and steering gear also includes being used to prevent
The guide frame of the control section that rotates in a circumferential direction rotation；
The guide frame is latter half of including extending forwardly into the control section that rotates in a circumferential direction positioned at axial stretching control section barrel front end
Outer guide section, including the latter half of guide groove in control section outer surface that rotates in a circumferential direction is axially arranged on, in addition to coordinate and leading
A guide runner for being fixed on guide section inner surface into groove.
2. boring machinery arm axle as claimed in claim 1 is to extension and contraction control segment structure, it is characterised in that before the nut cylinder
Hold and rotate in a circumferential direction and floating connecting structure is provided between control section rear end, the floating connecting structure includes being arranged on nut cylinder
Body front end circumferentially the mounting disk of evagination and is fixed on one of the control section rear end that rotates in a circumferential direction mounting ring, table in mounting ring rear end
Towards internal projection and it is articulated on mounting disk trailing flank；Floating connecting structure is also arranged on nut barrel front end end face including one
The cross contiguous block of position, the leading flank and circumference of cross contiguous block between in the middle part of middle part and the control section rear end end face that rotates in a circumferential direction
Rotation has been radially formed the first concave-convex fit structure, the trailing flank of cross contiguous block and nut cylinder between the end face of control section rear end
The second concave-convex fit structure, the first concave-convex fit structure and the second concave-convex fit structure have been radially formed between body front end surface
Setting direction be mutually perpendicular to and so that coordinate after cross contiguous block leading flank and the control section rear end end face that rotates in a circumferential direction between with
And leave flying height between the trailing flank and nut barrel front end end face of cross contiguous block.
3. boring machinery arm axle as claimed in claim 2 is to extension and contraction control segment structure, it is characterised in that the first male-female engagement knot
The apical grafting face of respective groove and male cooperation is the arc along groove length direction in structure and the second concave-convex fit structure.
4. boring machinery arm axle as claimed in claim 1 is to extension and contraction control segment structure, it is characterised in that axial stretching control section
Cutter stable supporting device is additionally provided with cylinder, including is formed at one section of minor diameter of axial stretching control section barrel outer surface
Outer support mechanism construction section, multigroup outer support mechanism is circumferentially uniformly installed on outer support mechanism construction section, outer support mechanism includes energy
It is enough to be controlled the support member radially stretched out.
5. boring machinery arm axle as claimed in claim 4 is to extension and contraction control segment structure, it is characterised in that the outer support mechanism is
The outer support mechanism of link-type, the outer support mechanism of the link-type include axially disposed hydraulic cylinder and two bar linkage structures, two connecting rod knots
Structure includes first connecting rod, second connecting rod and support member, and one end of first connecting rod is hinged on the outer support machine in front of hydraulic cylinder extension arm
On structure construction section, one end of second connecting rod is hinged on hydraulic cylinder extension arm front position, first connecting rod and second connecting rod it is another
End is hinged on when enabling hydraulic cylinder extension arm protruding on same hinge on the inside of support member and drives first connecting rod jointly
More distally relatively moved with second connecting rod and radially jack up support member.
6. boring machinery arm axle as claimed in claim 5 is to extension and contraction control segment structure, it is characterised in that the hydraulic cylinder is double
Bar hydraulic cylinder, before two bar linkage structure is symmetrically arranged in the telescopic arm at hydraulic cylinder both ends.
7. boring machinery arm axle as claimed in claim 5 is to extension and contraction control segment structure, it is characterised in that before hydraulic cylinder extension arm
End is connected with the synchronous collar being coaxially set on outer support mechanism construction section, and second connecting rod is hinged on the synchronous collar.
8. boring machinery arm axle as claimed in claim 1 is to extension and contraction control segment structure, it is characterised in that the control that rotates in a circumferential direction
Section processed, including a control section cylinder that rotates in a circumferential direction being co-axially located in the middle part of mechanical arm, the control section that rotates in a circumferential direction cylinder back-end
It is connected with steering gear, it is latter half of that guide groove is arranged on the control section barrel outer surface that rotates in a circumferential direction；Rotate in a circumferential direction control section
Inner barrel is provided with the controlled motor that rotates in a circumferential direction, it is described rotate in a circumferential direction controlled motor output shaft forward with radial feed control section
Rear end is connected and is used to drive radial feed control section to rotate, and the control section cylinder first half that rotates in a circumferential direction, which coaxially encloses, is located at footpath
It is latter half of outer to feeding control section and slip-ring brush is provided therebetween.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610197734.2A CN105618817B (en) | 2016-03-31 | 2016-03-31 | A kind of boring machinery arm axle is to extension and contraction control segment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610197734.2A CN105618817B (en) | 2016-03-31 | 2016-03-31 | A kind of boring machinery arm axle is to extension and contraction control segment structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105618817A CN105618817A (en) | 2016-06-01 |
| CN105618817B true CN105618817B (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610197734.2A Expired - Fee Related CN105618817B (en) | 2016-03-31 | 2016-03-31 | A kind of boring machinery arm axle is to extension and contraction control segment structure |
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| Country | Link |
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| CN (1) | CN105618817B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109967775B (en) * | 2019-04-02 | 2020-11-24 | 肇庆市高讯数控设备有限公司 | Annular boring device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH417228A (en) * | 1962-08-23 | 1967-01-31 | George Richards & Company Limi | Apparatus for damping the vibrations of a body |
| 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 |
| 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 |
| CN103480916B (en) * | 2013-09-24 | 2015-07-15 | 南京奥特电气股份有限公司 | Two-shaft numerically-controlled beveling machine |
| 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 |
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2016
- 2016-03-31 CN CN201610197734.2A patent/CN105618817B/en not_active Expired - Fee Related
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| CN105618817A (en) | 2016-06-01 |
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