CN105618817A - Axial telescoping control section structure of boring mechanical arm - Google Patents
Axial telescoping control section structure of boring mechanical arm Download PDFInfo
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- CN105618817A CN105618817A CN201610197734.2A CN201610197734A CN105618817A CN 105618817 A CN105618817 A CN 105618817A CN 201610197734 A CN201610197734 A CN 201610197734A CN 105618817 A CN105618817 A CN 105618817A
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- control section
- circumferential direction
- rotates
- axial stretching
- cylinder
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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
Abstract
The invention discloses an axial telescoping control section structure of a boring mechanical arm. The axial telescoping control section structure is characterized in that the axial telescoping control section comprises an axial telescoping control section barrel which is coaxially arranged on the rear part of the mechanical arm, wherein an axial telescoping control motor is mounted in an inner cavity at the rear end of the axial telescoping control section barrel; and the output shaft of the axial telescoping control motor is forwards arranged, is connected to the rear end of a peripheral rotation control section through a steering transmission mechanism, and is capable of driving the peripheral rotation control section to carry out telescoping motion front and back. The axial telescoping control section structure has the advantages of being simple in structure, reliable in control, beneficial for controlling, high in control precision and the like.
Description
Technical field
The invention belongs to the boring processing field of complicated shape of hole wall, it is specifically related to a kind of boring machine mechanical arm axial stretching control section structure.
Background technology
Boring is the internal diameter Cutting Process of a kind of cutter expanded hole or other circular contour, and its range of application is generally from half roughing to precision work, and cutter for same is generally boring cutter or boring bar. Bore hole is to forging, and casts out or the further processing of drilling bore hole, belongs to the one of boring mode. Bore hole can expand aperture, it is to increase precision, reduces surfaceness, it is also possible to correct the deflection of original axially bored line preferably.
Common boring cutter structure, generally comprises handle of a knife and is arranged on the cutter of handle of a knife front end, and handle of a knife rear end is arranged on lathe, it may also be useful to time provide power to carry out boring processing by lathe. Such as, but when being not suitable for realizing processing by lathe for some, carrying out technological transformation on some relatively large equipments installed needs the situations such as reaming boring processing, then it is difficult to adopt existing processing units to realize processing.
In addition, existing boring cutter, boring processing limited capacity, the degree of depth is greater than to the deep hole boring processing of diameter more than 6 times, and the structure example of some more complicated adds man-hour such as the local expansion etc. in spiral disconnected separate slot, straight trough, skewed slot, circular arc groove, screw thread, helicoidal surface, circular arc face, interior hole, also it is difficult to ensure precision and working (machining) efficiency.
In order to solve the problem that above-mentioned existing boring cutter is difficult to processed complex profile and is difficult to realize independent processing, applicant considers to devise a kind of boring processing three-shaft linkage mechanical arm, comprise overall cylindrical handle of a knife and cutter, tool setting is in the segment of cutting of handle of a knife front end, its feature is, on described handle of a knife, segment of cutting rear end is formed with the radial feeding control section for controlling cutter radial feeding backward successively, for controlling rotate in a circumferential direction control section and the axial stretching control section for controlling Tool in Cutting section axial stretching that Tool in Cutting section rotates in a circumferential direction, handle of a knife is also provided with for realizing the cutter stable supporting device in processed hole inner support. like this, it is inner that this mechanical arm can lean on cutter stable supporting device to be supported on processed hole, then the course of processing can produce three-shaft linkage, cutter radially feeding or flexible motion can be controlled while rotating boring by the control section control that rotates in a circumferential direction, and then achieve while boring independently processes, it is possible to complete the boring processing of complex construction and deep-hole structures. there is boring processing scope big, the feature that suitability is wide.
But wherein, for how boring machine mechanical arm axial stretching control section and front end connected structure thereof should design, just having structure simple, control is reliable, being beneficial to the effects such as control and control accuracy height becomes the problem needing to be considered further.
Summary of the invention
For above-mentioned the deficiencies in the prior art, technical problem to be solved by this invention is: how providing a kind of structure simple, control is reliable, is beneficial to control and the high boring machine mechanical arm axial stretching control section structure of control accuracy.
In order to solve the problems of the technologies described above, present invention employs following technical scheme:
A kind of boring machine mechanical arm axial stretching control section structure, it is characterized in that, described axial stretching control section, comprise the axial stretching control section cylinder that is coaxially arranged on mechanical arm rear portion, axial stretching control section cylinder back-end inner chamber is provided with axial stretching control motor, described axial stretching control motor output shaft arrange forward and by turn to transmission rig and rotate in a circumferential direction control section rear end connect and the elastic motion of the control section that rotates in a circumferential direction can be driven.
Like this, structure simply and facilitates realization to be controlled by the axial stretching of cutter.
As optimization, described turn to the leading screw that transmission rig comprises one and mechanical arm is coaxially arranged, leading screw rear end controls motor output shaft with axial stretching and is connected, leading screw front end is inserted in the nut cylinder that is coaxially arranged, nut cylinder back-end inner chamber is provided with internal thread and leading screw engagement, nut barrel front end and the control section rear end that rotates in a circumferential direction connect, and turn to transmission rig also to comprise the guiding structure for the control section that prevents from rotating in a circumferential direction rotates. Like this, relying on the setting of screw nut driven pair, adopt simple structure to achieve the rotation that axial stretching controls motor output shaft and export the axial translation being converted into the control section that rotates in a circumferential direction, structure is simple and control is reliable.
Further, described guiding structure comprises and is positioned at axial stretching control section barrel front end and extends to forward the latter half of outer guide section of the control section that rotates in a circumferential direction, comprise and it is arranged on the latter half of guide path of the control section outside surface that rotates in a circumferential direction vertically, also comprise the guide runner being fixed on guide section internal surface being engaged in guide path. Like this, by guiding vibrational power flow outside the control section that rotates in a circumferential direction is latter half of, it is possible to while convenient for assembly, one-piece construction stability is improved better.
Further, described nut barrel front end and rotate in a circumferential direction and be provided with floating connecting structure between control section rear end, described floating connecting structure comprises the mounting ring being arranged on the circumferentially convex mounting dish of nut barrel front end outward with being fixed on the control section rear end that rotates in a circumferential direction, after mounting ring aft end interior surface inwardly protruding and being articulated in mounting dish on side, floating connecting structure also comprise one be arranged in the middle part of nut barrel front end end face and in the middle part of the control section rear end end face that rotates in a circumferential direction between position cross connect block, cross connects the face, front side of block and rotates in a circumferential direction and is radially formed with the first concave-convex fit structure between the end face of control section rear end, the 2nd concave-convex fit structure radially it is formed between the rear side of cross connection block and nut barrel front end end face, first concave-convex fit structure and the 2nd concave-convex fit structure setting direction are mutually vertical and make to coordinate rear cross to connect the face, front side of block and rotate in a circumferential direction between the end face of control section rear end and cross connects and all leaves flying height between the rear side of block and nut barrel front end end face.
Like this, nut cylinder by cross connect block transmit powered rotate in a circumferential direction control section advance, transmitting power by mounting ring and the mounting of mounting dish drives the control section that rotates in a circumferential direction to retreat, in advance feed process, the concave-convex fit structure that cross connects block both sides can transmit moment of torsion and thrust, can allow that cross connects block and produces the inclined pendulum of certain angle and do not affect the transmission of thrust and moment of torsion by flying height simultaneously, and then the shake produced when just eliminating screw nut driven auxiliary driving, ensure that the stability of front end transmission.
Better selecting to be the top junction of groove and male cooperation separately in the first concave-convex fit structure and the 2nd concave-convex fit structure is the arc along groove length direction. The cooperation of such arc can make cross connect in block swing process and not produce collision along arc rotation, improves transmission stability better.
As optimization, axial stretching control section cylinder is also provided with cutter stable supporting device, comprise the outer support mechanism construction section of the one section of minor diameter being formed at axial stretching control section barrel outer surface, circumferentially evenly being provided with the outer support mechanism of many groups on outer support mechanism construction section, outer support mechanism comprises the strut member that can controlled radially to stretch out.
Convenient like this realize the support of handle of a knife self in processed hole. As preferably, outer support mechanism construction section can be arranged on axial stretching control section barrel outer surface and be positioned at inboard leadscrews position, and the effect of supporting & stablizing handle of a knife better can be played in this position during enforcement.
Further, described outer support mechanism can be the outer support mechanism of link-type, the outer support mechanism of described link-type comprises the hydro-cylinder arranged vertically and two bar linkage structures, two bar linkage structures comprise first connecting rod, second connecting rod and strut member, one end of first connecting rod is hinged on the outer support mechanism construction section in hydraulic cylinder extension arm front, one end of second connecting rod is hinged on end position before hydraulic cylinder extension arm, the other end of first connecting rod and second connecting rod be all jointly hinged on can drive when same hinge making inside strut member hydraulic cylinder extension arm outwards stretch out first connecting rod and second connecting rod relatively far-end relative movement and by strut member radially jack-up. there is structure so simple, the advantage such as easy to control, simultaneously two bar linkage structures can make further to overhang strut member and hold out against connecting rod after the inwall of processed hole and present as far as possible and hold out against close to radial direction, produce self-locking effect like this, hydro-cylinder need not undertake and bigger push against reactive force, ensures that support effect is reliable and stable. further, described hydro-cylinder is dual-rod hydraulic cylinder, before described two bar linkage structures are symmetrically arranged in the telescopic boom at hydro-cylinder two ends. like this, it is achieved front and back two place point of suppon improves stability of strutting system better. as optimization, hydraulic cylinder extension arm front end is connected with the synchronous collar that a coaxial sleeve is located on outer support mechanism construction section, and second connecting rod is hinged on the synchronous collar. each group of outer support mechanism consistence can be ensured so better.
In addition, described outer support mechanism can also be the outer support mechanism of Wedge-type, the outer support mechanism of described Wedge-type comprises the hydro-cylinder arranged vertically, it is successively set on voussoir and the strut member in hydraulic cylinder extension arm front, one end of the overall curved lumphy structure of strut member and arcuate directions is hinged on outer support mechanism construction section to form the inner, the other end is connected on voussoir to form outer end under an action of reset spring, this surface, side that voussoir contacts with strut member is the inclined-plane radially tilted inwards towards strut member direction, voussoir connects away from strut member one end and hydraulic cylinder extension arm front end. like this, hydraulic control cylinder telescopic boom stretches out and voussoir can be driven to lean on its inclined-plane to coordinate drive strut member outer end outwards to stretch out and be connected on the inwall of processed hole, therefore it is simple to have structure, easy to assembly, the advantages such as control reaction is sensitive, when supporting, the reactive force major part of strut member is delivered on voussoir formed along the radially inner component of voussoir and then be cancelled simultaneously, and hydro-cylinder need not undertake and bigger push against reactive force, ensures that support effect is reliable and stable. further, described strut member outer end is provided with support roller and realizes supporting by support roller surface and voussoir and processed hole contact internal walls, reduces frictional force by rolling like this, it is to increase stability of strutting system. further, described hydro-cylinder is dual-rod hydraulic cylinder, and is all furnished with voussoir and the supporting piece structure of cooperation before the telescopic boom at two ends. like this, it is achieved front and back two place point of suppon improves stability of strutting system better. as optimization, in the outer support mechanism of each group, corresponding voussoir circumferentially connects the synchronous slip ring of overall formation for ring-type. each group of outer support mechanism consistence can be ensured so better. further, described return spring can for being arranged on the torsion spring of the inner hinged place of strut member or be a circle coil tension spring being connected to strut member outer end in the form of a ring. the former torsion spring compact structure is simple, and the coil tension spring of the latter can improve strut member action synchronism further.
As optimization, the described control section that rotates in a circumferential direction, comprising one and be coaxially arranged on the control section cylinder that rotates in a circumferential direction in the middle part of mechanical arm, transmission rig is connected the control section that rotates in a circumferential direction cylinder back-end with turning to, and it is latter half of that guide path is arranged on the control section barrel outer surface that rotates in a circumferential direction; The control section that rotates in a circumferential direction inner barrel is provided with the control motor that rotates in a circumferential direction, the described control motor output shaft that rotates in a circumferential direction be connected with radial feeding control section rear end forward and for driving radial feeding control section to rotate, described in rotate in a circumferential direction control section cylinder forebody be coaxially around in radial feeding control section latter half of outside and slip ring brush is provided therebetween.
Like this, the installation that the control motor that conveniently rotates in a circumferential direction is set of the control section that rotates in a circumferential direction cylinder, and linking that is convenient and axial stretching control section. Then rotate by the control driven by motor radial feeding control section rear end entirety that rotates in a circumferential direction, realize the control to cutter rotary processing, the slip ring brush wherein adopted ensures to achieve the conducting of the control electric current of the motor of radial feeding control section inner barrel, ensure that the reliability of Tool Control.
In sum, it is simple that the present invention has structure, and control is reliable, is beneficial to control and control accuracy advantages of higher.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of a kind of boring processing three-shaft linkage mechanical arm that have employed the present invention.
Fig. 2 is the A-A sectional view of cutter position in Fig. 1.
Fig. 3 is that in Fig. 1, cutter position can show oblique iron and the partial schematic diagram of driving rack two dimensional structure.
Fig. 4 is the schematic diagram that the C-C of rotating support shaft bearing structure position in Fig. 1 analyses and observe direction and shows separately rotating support shaft bearing structure.
Fig. 5 is the structural representation of the outer support mechanism of Wedge-type alternatively implementing mode.
Fig. 6 is the partial enlargement schematic diagram that can show segment of cutting and radial feeding control section structure in Fig. 1.
Fig. 7 is can the partial enlargement schematic diagram of display section axial stretching control section structure in Fig. 1.
Embodiment
Below in conjunction with the optimum enforcement mode of a kind of boring processing three-shaft linkage mechanical arm that have employed the present invention and accompanying drawing thereof, the present invention is described in further detail.
As shown in figs. 1-7, the optimum enforcement mode of a kind of boring processing three-shaft linkage mechanical arm, comprise overall cylindrical handle of a knife and cutter, tool setting is in the segment of cutting of handle of a knife front end, wherein, on described handle of a knife, segment of cutting rear end is formed with the radial feeding control section for controlling cutter radial feeding backward successively, for controlling rotate in a circumferential direction control section and the axial stretching control section for controlling Tool in Cutting section axial stretching that Tool in Cutting section rotates in a circumferential direction, handle of a knife is also provided with for realizing the cutter stable supporting device in processed hole inner support.
Like this, it is inner that above-mentioned mechanical arm can lean on cutter stable supporting device to be supported on processed hole, then the course of processing can produce three-shaft linkage, cutter radially feeding or flexible motion can be controlled while rotating boring by the control section control that rotates in a circumferential direction, and then achieve while boring independently processes, it is possible to complete the boring processing of complex construction and deep-hole structures. There is boring processing scope big, the feature that suitability is wide.
Wherein, described segment of cutting comprises a segment of cutting cylinder 1, segment of cutting cylinder 1 forward position be provided with tool setting groove and for mounting cutter, cutter comprises for the formation of the tool bit part 2 of cutting edge and installs the installing handle part 3 with cutter radial feeding transmission for realizing, the cutting-edge of tool bit part 2 exposes outside tool setting groove, tool bit part 3 and installing handle part 3 split-type design and adopt bolt to be connected to one, the interior side of installing handle part 3 is provided with driving rack for realizing cutter radial feeding transmission.
Like this, cutter adopts cutter head and installing handle two-part structure to realize, cutting edge is formed by tool bit part, like this, different materials can be adopted separately, to improve reducing costs of cutting edge processing intensity simultaneously, specifically for cutting and install different requirements, tool bit part adopts Hardmetal materials to obtain, and installing handle part adopts No. 45 steels to obtain. Cutter is divided into two parts simultaneously, facilitates and installing handle part arranges drive mechanism realize cutter radial feeding transmission. This drive mechanism adopts driving rack, it is possible to convenient and transmission input gear engagement realizes tool feeding feeding transmission, and structure is simple and is beneficial to transmitting ratio and accurately controls.
Wherein, described driving rack comprises the first driving rack 4 and the 2nd driving rack 5, first driving rack 4 and the 2nd driving rack 5 shifts to install side by side and simultaneously and engage for realizing the cutter radial feeding transmitting gear 6 of cutter radial feeding transmission.
Like this, arrange two driving racks to engage with cutter radial feeding transmitting gear simultaneously, shifting to install of two driving racks can be leaned on so that it is adjacent two gear teeth that misplace in two driving racks fit to the both sides, front and back of a cutter radial feeding transmitting gear teeth groove respectively; Thus eliminating the need and adopt the back lash that easily exists of meshed transmission gear, the transmission error caused in less back lash significantly reduce the requirement to gear manufacture precision simultaneously.
Wherein, tool setting groove front inner wall is obliquely installed and this end consistent with cutter radial feeding direction in front inner wall is past tilts near the direction of cutter, it is equipped with one block of oblique iron 7 between outer wall on front side of this tool setting groove front inner wall and cutter, it is inclined-plane that oblique iron 7 and tool setting groove front inner wall are affixed side, and it is face consistent with tool feeding direction that oblique iron 7 is affixed side with cutter, the end play of tool setting generation can be eliminated so better and facilitate tool setting. further, to be fixed in the spacing screw 8 of segment of cutting barrel outer surface near tool setting groove front inner wall spacing fixing in oblique bigger one end of iron 7, this spline structure is simple and facilitates the spacing fixing of oblique iron. again further, the first driving rack 4 and the 2nd driving rack 5 realize interlocking by the concave-convex fit structure 9 that the side correspondence that connects side by side is arranged and coordinate, and have one that favours the side that the connects oblique face that is slidably matched in described concave-convex fit structure 9, like this, when assembling, first the first driving rack and the 2nd driving rack are arranged side by side, and the concave-convex fit structure making the two side that connects first diagonally the face of being slidably matched be affixed insertion and complete to be partially submerged into cooperation, cutter radial feeding transmitting gear is in place, less one end of oblique iron is installed from oblique iron bigger one end insertion in space again, oblique iron insert time rely on and tool setting groove on front side of tilt internal wall be slidably matched extruding two pieces of driving racks mutually close up, two pieces of driving racks mutually close up in process and rely on the cooperation in the oblique face that is slidably matched in concave-convex fit structure therebetween to drive two pieces of driving racks mobile along the dislocation of self transmission direction, push against until the both sides of a cutter radial feeding transmitting gear teeth groove are affixed by gear teeth of two pieces of driving racks simultaneously, now tiltedly iron cannot go insertion again, completes to assemble after keeping position to fix oblique iron. such assembling process directly rely on the insertion of oblique iron coordinate just eliminate tolerance clearance that geartransmission causes while also eliminate the end play of tool setting together, and drastically increase efficiency of assembling, ensure assembling reliability. again further, side can be affixed at oblique iron 7 and cutter and multiple roller slot is set along being perpendicular to cutter radial feeding direction, described multiple roller slot is evenly intervally arranged along cutter radial feeding direction, hollow roller 10 is installed in described roller slot and hollow roller 10 outside surface be exposed to roller slot and for cutter on front side of face fit. sliding friction in assembling process and follow-up cutter radial feeding process is converted into rolling resistance by hollow like this roller, improve tool assembly and the smoothness of feeding adjustment, rely on the elasticity of hollow roller simultaneously, gap can be eliminated better and play damping effect, hollow roller adopts the spring steel material of 60Si2Mn further, improves damping effect to produce elasticity better.
Wherein, described radial feeding control section, comprise the radial feeding control section cylinder 11 that is coaxially arranged at mechanical arm front portion, radial feeding control section cylinder 11 front end is fixedly connected with segment of cutting cylinder, radial feeding control section inner barrel is provided with radial feeding control motor 12, described radial feeding control motor 12 output shaft arranges forward and is connected with forward gearing-down system, and described gearing-down system comprises for the cutter radial feeding transmitting gear 6 with the driving rack engagement on cutter.
Like this, in radial feeding control section, export after turning to the deceleration of gearing-down system by radial feeding control motor, it is delivered to driving rack by cutter radial feeding transmitting gear by rotating again and it is converted into the flexible translation of cutter radial, and then realize the flexible control of cutter radial, there is structure simple, control reliable advantage.
Wherein, described gearing-down system comprises harmonic reducing mechanism, and harmonic reducing mechanism output terminal feeding transmission shaft 19 radial with is connected, and radial feeding transmission shaft 19 front end extends in segment of cutting cylinder 1 internal cavities and arranges cutter radial feeding transmitting gear 6. Like this, adopt harmonic reducing mechanism as gearing-down system, it is possible to greatly to reduce transmitting ratio, it is possible to improve the control accuracy that cutter radial feeding exports better.
Wherein, described harmonic reducing mechanism comprises the coaxial harmonic wave input gear 13 arranged on radial feeding control motor output shaft, several harmonic wave neutral gears 14 it have been evenly arranged outside harmonic wave input gear 13, harmonic wave neutral gear 14 and harmonic wave input gear 13 engage, there is outside harmonic wave neutral gear 14 a harmonic wave runner 15 coaxially arranged with harmonic wave input gear, harmonic wave runner 15 has ring gear and harmonic wave neutral gear 14 engages, harmonic wave flexbile gear 16 it is arranged with outside harmonic wave runner 15, harmonic wave runner 15 outside surface two ends diametrically are also symmetrically installed with two radially protruding ripple generation components 17, ripple generation component 17 outer end and harmonic wave flexbile gear 15 internal surface to connecing and make harmonic wave deformation of flexible wheel ovalize, harmonic wave flexbile gear 15 outside surface is formed with external toothing and the internal wheel 18 fixed relative to radial feeding control section cylinder engages at the two ends of oval major axis, harmonic wave flexbile gear 16 front end is the output terminal of harmonic reducing mechanism and is connected with radial feeding transmission shaft 19 rear end. like this, during work, radial feeding control motor output shaft passes through the drive harmonic wave neutral gear rotation of harmonic wave input gear, drives harmonic wave runner to rotate, then leans on ripple generation component drive harmonic wave flexbile gear and fixing external toothing to coordinate generation differential to reverse, like this this harmonic reducing mechanism first realizes first step gearing-down by harmonic wave neutral gear, and then drive radial feeding transmission shaft to rotate output after realizing differential gear by harmonic wave flexbile gear, therefore gearing-down effect can be drastically increased, ensure that the stability of cutter radial feeding and controllability, it is to increase radial feeding control accuracy. again further, described ripple generation component 17 is the roller arranged vertically. the setting of such roller can coordinate being formed between ripple generation component and harmonic wave flexbile gear to roll, greatly reduce friction and reduce abrasion raising transmission stability, and the more important thing is that vibrational power flow makes to cut uplift pressure and be delivered to when cutter work is born and can be converted into roller after herein along the pressure in harmonic wave runner radial direction herein, even if the component having other directions of part also can be rotated by roller self offset, can not again back transmit, produce good reversion self-locking effect, drastically increase the stability of cutter work. again further, the described overall ladder disk shape for point diameter reduction of radial feeding transmission shaft 19, the end positions that radial feeding transmission shaft is arranged in cutter radial feeding transmitting gear is respectively arranged on segment of cutting cylinder 1 inner chamber by a bearing. stable drive can be ensured so better, it is to increase stability. again further, the grafting male cooperation radial feeding transmission shaft 19 rear end circumference being provided with grafting groove and the circumference evagination setting of harmonic wave flexbile gear 16 front end edge realizes connecting. leaving the space that the grafting projection for harmonic wave flexbile gear front end radially fluctuates in such grafting groove, adopting this kind to be flexibly connected transmission harmonic carcellation flexbile gear radial direction can be out of shape the vibration brought by transmission process, ensures transmission stability. described radial feeding control section cylinder 11 forward end seal is fixed by socket outside in segment of cutting cylinder 1 rear end further, and described internal wheel 18 is fixedly installed on the surface of internal cavity of segment of cutting cylinder 1 rear end, and such structural integrity better and is more beneficial to sealing and arranges. before harmonic reducing mechanism, end position is also provided with the overall harmonic wave wheel seat 20 in disk shape further, described harmonic wave wheel seat 20 peripheral position is fixed on a step surface of radial feeding control section cylinder 11 inner chamber front portion, and the rotary gear shaft of described harmonic wave neutral gear inside is fixed on harmonic wave wheel seat.The installation arranging each component in convenient harmonic reducing mechanism of such harmonic wave wheel seat is arranged. Further, having outer convex spacing preiection on the end face of described harmonic wave runner 15 rear end and coordinating is inserted in a spacing groove of harmonic wave wheel seat 20 front end surface to realize harmonic wave runner radial direction spacing, harmonic wave runner 15 position is just had by described radial feeding transmission shaft 19 rear end end face spacing preiection backward vertically for realizing harmonic wave runner 15 location axially. Can realize the location of harmonic wave runner on radial and axial like this after assembling better, and make to reserve between radial feeding transmission shaft rear end end face and harmonic wave neutral gear front end surface space is installed, this installation space is installed spacing pin for harmonic wave neutral gear and is realized the assembling to harmonic wave neutral gear and spacing in its rotary gear shaft front end.
Wherein, the described control section that rotates in a circumferential direction, comprise one and coaxially it is arranged on the control section cylinder 21 that rotates in a circumferential direction in the middle part of mechanical arm, the control section that rotates in a circumferential direction cylinder 21 inside is provided with the control motor 22 that rotates in a circumferential direction, described control motor 22 output shaft that rotates in a circumferential direction be connected with radial feeding control section cylinder 11 rear end forward and for driving radial feeding control section cylinder 11 to rotate, described in rotate in a circumferential direction control section cylinder 21 forebody be coaxially around in radial feeding control section cylinder latter half of outside and slip ring brush 23 is provided therebetween.
Like this, rotate by the radial feeding control section cylinder back-end entirety of the control driven by motor that rotates in a circumferential direction, realize the control to cutter rotary processing, the slip ring brush wherein adopted ensures to achieve the conducting of the control electric current of the motor of radial feeding control section inner barrel, ensure that the reliability of Tool Control.
Wherein, described rotate in a circumferential direction control section cylinder forebody and radial feeding control section cylinder latter half of between be also provided with rotating support shaft bearing structure, described rotating support shaft bearing structure comprises the ball assembling space being formed at and rotating in a circumferential direction between control section cylinder and radial feeding control section cylinder, described ball assembling space inner chamber is formed at the control section cylinder inner surface that rotates in a circumferential direction relatively with the spherical crown surface on radial feeding control section barrel outer surface and for coordinating assembling with ball 24 inside and outside having, also there is the maintenance frame chamber of the cuboid structure between two spherical crown surfaces, keep being provided with in frame chamber a circle end to disconnect but entirety encloses the maintenance frame 25 in annular, described maintenance frame 25 is circumferentially evenly provided with ball assembling hole and embeds assembling rotationally for ball 24. like this, it is possible to realize the rotary support to radial feeding control section cylinder better, greatly improve smooth rotation. further, the corresponding ball assembling space connection of the described control section barrel outer surface that rotates in a circumferential direction is provided with ball and enters fluting, ball enters in fluting and is fixed with a fluting sprue 26 by latch 27, and it is consistent that fluting sprue 26 internal surface assembles space inner wall surface with ball. the loading of convenient like this ball and maintenance frame.
Wherein, described control motor 22 output shaft that rotates in a circumferential direction is provided with and rotates transmission gear 27, rotating transmission gear 27 periphery be evenly arranged multiple rotation transmission neutral gear 28 and rotated transmission gear engagement, rotation transmission neutral gear 28 engages with the rotation transmission internal wheel 29 being arranged on radial feeding control section cylinder back-end surface of internal cavity simultaneously and drives radial feeding control section cylinder 11 to rotate. What rotate transmission neutral gear like this arranges the transmitting ratio that conveniently regulating and controlling rotates transmission, can improve the stability of transmission further, it is to increase device resistance to overturning simultaneously.
Wherein, the control section that rotates in a circumferential direction cylinder lumen middle part vertically extends internally and forms a partition 30, cut off 30 rears and form the control motor mounting space that rotates in a circumferential direction, the described control motor output shaft that rotates in a circumferential direction penetrates rotatably and cuts off 30 settings, and described rotation transmission neutral gear 28 is mounted on partition. The assembling of convenient so each component is arranged.
Wherein, described axial stretching control section, comprise the axial stretching control section cylinder 31 that is coaxially arranged on mechanical arm rear portion, axial stretching control section cylinder 31 rear end inner chamber is provided with axial stretching control motor 32, described axial stretching control motor 32 output shaft arrange forward and by turn to transmission rig and rotate in a circumferential direction control section cylinder 21 rear end connect and the elastic motion of control section cylinder 21 that rotates in a circumferential direction can be driven. Like this, structure simply and facilitates realization to be controlled by the axial stretching of cutter.
Wherein, described turn to the leading screw 33 that transmission rig comprises one and mechanical arm is coaxially arranged, leading screw 33 rear end controls motor 31 output shaft with axial stretching and is connected, leading screw 33 front end is inserted in the nut cylinder 34 that is coaxially arranged, nut cylinder 34 rear end inner chamber is provided with internal thread and leading screw 33 engages, nut cylinder 34 front end and control section cylinder 21 rear end that rotates in a circumferential direction connect, and turn to transmission rig also to comprise the guiding structure for the control section cylinder 21 that prevents from rotating in a circumferential direction rotates. Like this, relying on the setting of screw nut driven pair, adopt simple structure to achieve the rotation that axial stretching controls motor output shaft and export the axial translation being converted into the control section cylinder that rotates in a circumferential direction, structure is simple and control is reliable.
Wherein, described guiding structure comprises and is positioned at axial stretching control section cylinder 31 front end and extends to forward the latter half of outer guide section of the control section cylinder 21 that rotates in a circumferential direction, comprise and it is arranged on the latter half of guide path 35 of the control section barrel outer surface that rotates in a circumferential direction vertically, also comprise the guide runner 36 that be engaged in guide path 35 is fixed on guide section internal surface. Like this, by guiding vibrational power flow outside the control section cylinder that rotates in a circumferential direction is latter half of, it is possible to while convenient for assembly, one-piece construction stability is improved better.
Wherein, described nut cylinder 34 front end and rotate in a circumferential direction and be provided with floating connecting structure between control section cylinder 21 rear end, described floating connecting structure comprises the mounting dish 37 being arranged on nut cylinder 34 front end edge week convex and is fixed on a mounting ring 38 of control section cylinder 21 rear end that rotates in a circumferential direction, and mounting ring 38 aft end interior surface inwardly protruding is also articulated on the rear side of mounting dish 37, floating connecting structure also comprise one be arranged in the middle part of nut barrel front end end face and in the middle part of the control section cylinder back-end end face that rotates in a circumferential direction between position cross connect block 39, cross connects the face, front side of block 39 and rotates in a circumferential direction and is radially formed with the first concave-convex fit structure between control section cylinder back-end end face, the 2nd concave-convex fit structure radially it is formed between the rear side of cross connection block 39 and nut cylinder 34 front end surface, first concave-convex fit structure and the 2nd concave-convex fit structure setting direction are mutually vertical and make to coordinate rear cross to connect the face, front side of block 39 and rotate in a circumferential direction between the end face of control section cylinder 21 rear end and cross connects and all leaves flying height between the rear side of block 39 and nut cylinder 34 front end surface. like this, nut cylinder by cross connect block transmit powered rotate in a circumferential direction control section cylinder advance, transmitting power by mounting ring and the mounting of mounting dish drives the control section cylinder that rotates in a circumferential direction to retreat, in advance feed process, the concave-convex fit structure that cross connects block both sides can transmit moment of torsion and thrust, can allow that cross connects block and produces the inclined pendulum of certain angle and do not affect the transmission of thrust and moment of torsion by flying height simultaneously, and then the shake produced when just eliminating screw nut driven auxiliary driving, ensure that the stability of front end transmission. better selecting to be the top junction of groove and male cooperation separately in the first concave-convex fit structure and the 2nd concave-convex fit structure is the arc along groove length direction. the cooperation of such arc can make cross connect in block swing process and not produce collision along arc rotation, improves transmission stability better.
Wherein, cutter stable supporting device comprises the outer support mechanism construction section of the one section of minor diameter being formed at handle of a knife outside surface, circumferentially evenly being provided with the outer support mechanism of many groups on outer support mechanism construction section, outer support mechanism comprises the strut member that can controlled radially to stretch out. Convenient like this realize the support of handle of a knife self in processed hole. As preferably, outer support mechanism construction section can be arranged on axial stretching control section barrel outer surface and be positioned at inboard leadscrews position, and the effect of supporting & stablizing handle of a knife better can be played in this position during enforcement.
Wherein, described outer support mechanism can be the outer support mechanism of link-type, the outer support mechanism of described link-type comprises the hydro-cylinder 40 and two bar linkage structures that arrange vertically, two bar linkage structures comprise first connecting rod 41, second connecting rod 42 and strut member 43, one end of first connecting rod 41 is hinged on the outer support mechanism construction section in hydraulic cylinder extension arm front, one end of second connecting rod 42 is hinged on end position before hydro-cylinder 40 telescopic boom, the other end of first connecting rod 41 and second connecting rod 42 be all jointly hinged on can drive when same hinge making inside strut member 43 hydraulic cylinder extension arm outwards stretch out first connecting rod 41 and second connecting rod 42 relatively far-end relative movement and by strut member 43 radially jack-up. there is structure so simple, the advantage such as easy to control, simultaneously two bar linkage structures can make further to overhang strut member and hold out against connecting rod after the inwall of processed hole and present as far as possible and hold out against close to radial direction, produce self-locking effect like this, hydro-cylinder need not undertake and bigger push against reactive force, ensures that support effect is reliable and stable. further, described hydro-cylinder 40 is dual-rod hydraulic cylinder, before described two bar linkage structures are symmetrically arranged in the telescopic boom at hydro-cylinder two ends. like this, it is achieved front and back two place point of suppon improves stability of strutting system better. as optimization, hydraulic cylinder extension arm front end is connected with the synchronous collar 44 that a coaxial sleeve is located on outer support mechanism construction section, and second connecting rod 42 is hinged on the synchronous collar. each group of outer support mechanism consistence can be ensured so better. again further, the overall rectangular bulk of described strut member 43 and outside surface are outer convex arc, can be beneficial to strut member outside surface and the laminating realization support of hole to be processed inwall so better. further described strut member 43 outside surface has one layer of elastomeric layer. like this, elasticity distortion can be leaned on when the change of machining hole internal diameter in the present age causes strut member outside surface arc inconsistent to realize laminating, it is to increase support strength.
In addition, described outer support mechanism can also be the outer support mechanism (see Fig. 5) of Wedge-type, the outer support mechanism of described Wedge-type comprises the hydro-cylinder 45 arranged vertically, it is successively set on voussoir 46 and the strut member 47 in hydro-cylinder 45 telescopic boom front, one end of the overall curved lumphy structure of strut member 47 and arcuate directions is hinged on outer support mechanism construction section to form the inner, the other end is connected on voussoir to form outer end under a return spring 48 acts on, this surface, side that voussoir 46 contacts with strut member 47 is the inclined-plane radially tilted inwards towards strut member direction, voussoir 46 connects away from strut member 47 one end and hydraulic cylinder extension arm front end. like this, hydraulic control cylinder telescopic boom stretches out and voussoir can be driven to lean on its inclined-plane to coordinate drive strut member outer end outwards to stretch out and be connected on the inwall of processed hole, therefore it is simple to have structure, easy to assembly, the advantages such as control reaction is sensitive, when supporting, the reactive force major part of strut member is delivered on voussoir formed along the radially inner component of voussoir and then be cancelled simultaneously, and hydro-cylinder need not undertake and bigger push against reactive force, ensures that support effect is reliable and stable. further, described strut member 47 outer end is provided with support roller 50 and realizes supporting by support roller surface and voussoir and processed hole contact internal walls, reduces frictional force by rolling like this, it is to increase stability of strutting system. further along being axially provided with chute on the inclined-plane of described voussoir 46, described roller coordinates spacing rolling in chute. realize spacing so better, ensure the stationarity of outer support process. further, described hydro-cylinder 45 is dual-rod hydraulic cylinder, and is all furnished with voussoir and the supporting piece structure of cooperation before the telescopic boom at two ends. like this, it is achieved front and back two place point of suppon improves stability of strutting system better. as optimization, voussoir 46 corresponding in the outer support mechanism of each group circumferentially connects the synchronous slip ring 49 of overall formation for ring-type. each group of outer support mechanism consistence can be ensured so better. further, described return spring 48 can for being arranged on the torsion spring of the inner hinged place of strut member or be a circle coil tension spring being connected to strut member outer end in the form of a ring. the former torsion spring compact structure is simple, and the coil tension spring of the latter can improve strut member action synchronism further.
Claims (10)
1. a boring machine mechanical arm axial stretching control section structure, it is characterized in that, described axial stretching control section, comprise the axial stretching control section cylinder that is coaxially arranged on mechanical arm rear portion, axial stretching control section cylinder back-end inner chamber is provided with axial stretching control motor, described axial stretching control motor output shaft arrange forward and by turn to transmission rig and rotate in a circumferential direction control section rear end connect and the elastic motion of the control section that rotates in a circumferential direction can be driven.
2. boring machine mechanical arm axial stretching control section structure as claimed in claim 1, it is characterized in that, described turn to the leading screw that transmission rig comprises one and mechanical arm is coaxially arranged, leading screw rear end controls motor output shaft with axial stretching and is connected, leading screw front end is inserted in the nut cylinder that is coaxially arranged, nut cylinder back-end inner chamber is provided with internal thread and leading screw engagement, nut barrel front end and the control section rear end that rotates in a circumferential direction connect, and turn to transmission rig also to comprise the guiding structure for the control section that prevents from rotating in a circumferential direction rotates.
3. boring machine mechanical arm axial stretching control section structure as claimed in claim 2, it is characterized in that, described guiding structure comprises and is positioned at axial stretching control section barrel front end and extends to forward the latter half of outer guide section of the control section that rotates in a circumferential direction, comprise and it is arranged on the latter half of guide path of the control section outside surface that rotates in a circumferential direction vertically, also comprise the guide runner being fixed on guide section internal surface being engaged in guide path.
4. boring machine mechanical arm axial stretching control section structure as claimed in claim 2, it is characterized in that, described nut barrel front end and rotate in a circumferential direction and be provided with floating connecting structure between control section rear end, described floating connecting structure comprises the mounting ring being arranged on the circumferentially convex mounting dish of nut barrel front end outward with being fixed on the control section rear end that rotates in a circumferential direction, after mounting ring aft end interior surface inwardly protruding and being articulated in mounting dish on side, floating connecting structure also comprise one be arranged in the middle part of nut barrel front end end face and in the middle part of the control section rear end end face that rotates in a circumferential direction between position cross connect block, cross connects the face, front side of block and rotates in a circumferential direction and is radially formed with the first concave-convex fit structure between the end face of control section rear end, the 2nd concave-convex fit structure radially it is formed between the rear side of cross connection block and nut barrel front end end face, first concave-convex fit structure and the 2nd concave-convex fit structure setting direction are mutually vertical and make to coordinate rear cross to connect the face, front side of block and rotate in a circumferential direction between the end face of control section rear end and cross connects and all leaves flying height between the rear side of block and nut barrel front end end face.
5. boring machine mechanical arm axial stretching control section structure as claimed in claim 4, it is characterised in that, in the first concave-convex fit structure and the 2nd concave-convex fit structure, the top junction of groove and male cooperation is the arc along groove length direction separately.
6. boring machine mechanical arm axial stretching control section structure as claimed in claim 1, it is characterized in that, axial stretching control section cylinder is also provided with cutter stable supporting device, comprise the outer support mechanism construction section of the one section of minor diameter being formed at axial stretching control section barrel outer surface, circumferentially evenly being provided with the outer support mechanism of many groups on outer support mechanism construction section, outer support mechanism comprises the strut member that can controlled radially to stretch out.
7. boring machine mechanical arm axial stretching control section structure as claimed in claim 6, it is characterized in that, described outer support mechanism is the outer support mechanism of link-type, the outer support mechanism of described link-type comprises the hydro-cylinder arranged vertically and two bar linkage structures, two bar linkage structures comprise first connecting rod, second connecting rod and strut member, one end of first connecting rod is hinged on the outer support mechanism construction section in hydraulic cylinder extension arm front, one end of second connecting rod is hinged on end position before hydraulic cylinder extension arm, the other end of first connecting rod and second connecting rod be all jointly hinged on can drive when same hinge making inside strut member hydraulic cylinder extension arm outwards stretch out first connecting rod and second connecting rod relatively far-end relative movement and by strut member radially jack-up.
8. boring machine mechanical arm axial stretching control section structure as claimed in claim 7, it is characterised in that, described hydro-cylinder is dual-rod hydraulic cylinder, before described two bar linkage structures are symmetrically arranged in the telescopic boom at hydro-cylinder two ends.
9. boring machine mechanical arm axial stretching control section structure as claimed in claim 7, it is characterised in that, hydraulic cylinder extension arm front end is connected with the synchronous collar that a coaxial sleeve is located on outer support mechanism construction section, and second connecting rod is hinged on the synchronous collar.
10. boring machine mechanical arm axial stretching control section structure as claimed in claim 1, it is characterized in that, the described control section that rotates in a circumferential direction, comprise one and coaxially it is arranged on the control section cylinder that rotates in a circumferential direction in the middle part of mechanical arm, transmission rig is connected the control section that rotates in a circumferential direction cylinder back-end with turning to, and it is latter half of that guide path is arranged on the control section barrel outer surface that rotates in a circumferential direction; The control section that rotates in a circumferential direction inner barrel is provided with the control motor that rotates in a circumferential direction, the described control motor output shaft that rotates in a circumferential direction be connected with radial feeding control section rear end forward and for driving radial feeding control section to rotate, described in rotate in a circumferential direction control section cylinder forebody be coaxially around in radial feeding control section latter half of outside 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 |
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| Publication Number | Publication Date |
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| CN105618817A true CN105618817A (en) | 2016-06-01 |
| CN105618817B 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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| CN (1) | CN105618817B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109967775A (en) * | 2019-04-02 | 2019-07-05 | 嘉兴劲境电子商务有限公司 | A kind of annular borer |
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| JP5602218B2 (en) * | 2012-12-25 | 2014-10-08 | マキノジェイ株式会社 | Boring tools and machine tools |
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| GB1029675A (en) * | 1962-08-23 | 1966-05-18 | Richards & Co Ltd George | Vibration absorbing device for machine tools |
| CN101961793A (en) * | 2009-08-18 | 2011-02-02 | 西安航空发动机（集团）有限公司 | Tip-extension type deep hole boring cutter rod |
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| JP5602218B2 (en) * | 2012-12-25 | 2014-10-08 | マキノジェイ株式会社 | Boring tools and machine tools |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109967775A (en) * | 2019-04-02 | 2019-07-05 | 嘉兴劲境电子商务有限公司 | A kind of annular borer |
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| Publication number | Publication date |
|---|---|
| CN105618817B (en) | 2017-12-15 |
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