CN103317163A - Processing device for vertical hole in inner wall of small-diameter hole - Google Patents

Processing device for vertical hole in inner wall of small-diameter hole Download PDF

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Publication number
CN103317163A
CN103317163A CN2013103030447A CN201310303044A CN103317163A CN 103317163 A CN103317163 A CN 103317163A CN 2013103030447 A CN2013103030447 A CN 2013103030447A CN 201310303044 A CN201310303044 A CN 201310303044A CN 103317163 A CN103317163 A CN 103317163A
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China
Prior art keywords
retainer
fixed
cutter
decide
boring
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CN2013103030447A
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CN103317163B (en
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高航
雷建华
郭东明
鲍永杰
张松鹏
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Dalian University of Technology
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Dalian University of Technology
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Publication of CN103317163A publication Critical patent/CN103317163A/en
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Abstract

The invention discloses a processing device for a vertical hole in the inner wall of a small-diameter hole. The processing device comprises a base, a workpiece fixing base fixed at the upper end surface of the base and used for fixing a workpiece, a drilling executing device used for drilling, and a locating device fixed on the upper end surface of the base and used for moving and locating the drilling executing device. According to the processing device adopting the technical scheme, the vertical hole in the inner wall of the small-diameter hole is processed by adopting a small-size drilling executing system; the size of the executing system is minimized by a step-shaped tool; the angle change from the horizontal direction to the vertical direction is realized by adopting a synchronizing wheel and synchronizing belt structure; the drilling executing device is processed and located by a multi-freedom-degree locating device.

Description

Small diameter bore inwall vertical aperture processing unit (plant)
Technical field
The present invention relates to the mechanical hole manufacture field, particularly a kind of high-precision working apparatus of small diameter bore inwall vertical aperture.
Background technology
For satisfying some truncated cone-shaped or conical thin-wall barrel end frame is connected and matching requirements with the special of other members, need to process another perpendicular to the hole of this axially bored line at the prefabricated hole inwall in the thin-wall barrel end frame outside.When the pre-manufactured hole diameter hour, there is greatly difficulty in the processing of upright opening.
Similar with the hole processing of inclined hole inside, the processing of bend pipe inside is usually also comparatively difficult, similarly processes mainly for pipeline processing at present.Application number is 201110137311.9 patent of invention " a kind of milling equipment of bend pipe inner surface and method ", for be the Milling Process of pipe interior; Application number is 201010265769.8 patent of invention " a kind of technique of Circular Pipe inner surface process equipment ", for be the honing processing of pipe interior; Application number is that 201210057031.1 patent of invention " is processed the unsteady boring head of crooked internal surface of bloom ", for be the boring processing of pipe interior.Similarly, existing processing (such as milling, grinding etc.) all is the processing for surface, inside, hole, all without position accuracy demand and do not relate to the processing of upright opening.
Because the diameter of pre-manufactured hole is less, so the inner space, hole is less, the size of processing unit (plant) commonly used is larger, is difficult to realize that the processing common process method of aperture on the inwall of hole or device are difficult to the satisfied requirement that adds.The processing that how to realize hole on the small diameter bore inwall is the existing insoluble problem of method.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of high-precision working apparatus of small diameter bore inwall vertical aperture.
For reaching above purpose, be achieved through the following technical solutions:
Small diameter bore inwall vertical aperture processing unit (plant), comprise: support, be fixed in the support upper surface and be used for the workpiece fixing seat of fixation workpiece, be used for the boring actuating unit of Drilling operation and be fixed in the positioner that the support upper surface is used for the running fix of boring actuating unit;
The motion operation of said structure is: at first workpiece is fixed on the workpiece fixing seat on the support, then by positioner adjust boring actuating unit cutter stretch in the workpiece pre-manufactured hole, then carry out aperture processing by the boring actuating unit, can finely tune by positioner in the process;
The boring actuating unit comprises: be fixed in the retainer of deciding on the positioner, be arranged at the removable retainer of deciding the retainer front end, be fixed in and decide on the retainer and clutch end stretches into the motor of deciding retainer inside, be fixed in the aperture knife tool of removable retainer front end; The motor output shaft end is fixed with motor drum in-phase; Deciding retainer inside is processed with and can be communicated with the cavity that motor stretches into output shaft end; Removable retainer can intercommunicating pore process tool position and is decided the connecting hole of retainer internal cavities, and connecting hole is coaxial with cavity center; Aperture knife tool is to arrange perpendicular to the connecting hole central axis, and the cutter head of aperture knife tool extends radially out in removable retainer outer wall end face; Deciding retainer is fixed on the positioner;
Workpiece pre-manufactured hole place is provided with positioning seat and runs through the workpiece pre-manufactured hole and the fixing positioning sleeve that is threaded with positioning seat, and positioning sleeve inwall axial direction is processed with guide key groove; The retainer outer wall is provided with feather key;
Above-mentioned auxiliary locator operation principle is: at first positioning sleeve is stretched into from workpiece pre-manufactured hole one end, then positioning sleeve and positioning seat are fixed, then cooperate the guiding that realizes that cutter stretches into the guide key groove of positioning sleeve inwall by the feather key of deciding on the retainer;
Aperture knife tool is the stairstepping cutter, and namely the tool-holder part is different from the cutting tip tool diameter, and the cutter holding section diameter is less than or equal to the cutting tip diameter; Aperture knife tool stretches into removable retainer and partly is equipped with the cutter synchronizing wheel; The cutter synchronizing wheel is connected and fixed by miniature elastic thread conical cover of wedge and aperture knife tool; Cutter synchronizing wheel two ends are connected with removable retainer inwall by bearing, pass through the Timing Belt transmitting torque between motor drum in-phase and the cutter synchronizing wheel;
This structure is by adopting the stairstepping cutter, and namely cutter handle of a knife place size is less, thereby has avoided the excessive problem of cutter holding mechanism size, adopts miniature elastic thread conical cover of wedge that cutter and belt wheel are linked and packed, and realizes the reliability clamping of cutter;
Positioner comprises: be fixed in the support bar of support upper surface, be fixed in the elevating mechanism that post upper is used for driving boring actuating unit vertical lift, be used for driving the transverse feed mechanism of boring actuating unit cutter transverse shifting; Decide retainer and be fixed in the transverse feed mechanism front end;
Elevating mechanism comprises: vertically be inserted into support bar inner and with the screw thread elevating lever of support bar threaded engagement be fixed in the crane of screw thread elevating lever upper end;
Transverse feed mechanism comprises: be arranged at the cross slide way of crane inside, cover is as for the slide block on the cross slide way and the threaded rod hand wheel structure that extends transversely into crane inside; Threaded rod hand wheel structure threaded shank portion and slide block threaded engagement; Be provided with on the slide block stroke vertical with ram travel vertically move piece; Vertically move piece and drive ball screw arrangement by handwheel and drive and vertically move, namely vertically move piece be placed on the fixing ball-screw of handwheel on, and with ball-screw be threaded engagement; Decide retainer and be fixed in the longitudinal sliding block front end;
This structure realizes screw thread elevating lever stretching with respect to support bar by the integral-rotation crane, and then finish whole lifting, then the rotary actuation slide block by the threaded rod hand wheel structure transversely guide rail think very much the mobile traverse feed that realizes cutter, the fine setting of cutter lengthwise position drives the ball-screw rotating drive by handwheel and vertically moves slide block and vertically move in the process, the guiding that vertically moves can be finished or feather key cooperates with gathering sill and finishes by guide rod, vertically move vertically moving of slide block and drive and to decide retainer and move, namely cutter moves.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above and other purpose of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and the cooperation accompanying drawing, be described in detail as follows.
Description of drawings
The present invention is totally 5 width of cloth accompanying drawings, wherein:
Fig. 1 is structural representation of the present invention.
Fig. 2 is positioning device structure schematic diagram of the present invention.
Fig. 3 is boring actuating unit structural representation of the present invention.
Fig. 4 is Cutting tool installation manner of the present invention place structural representation.
Fig. 5 is auxiliary location structure structural representation of the present invention.
Among the figure: 1, support, 2, workpiece fixing seat, 2.1, holder, 2.2, positioning sleeve, 3, the boring actuating unit, 3.1, decide retainer, 3.2, removable retainer, 3.3, motor, 3.4, aperture knife tool, 3.5, motor drum in-phase, 3.6, cavity, 3.7, connecting hole, 3.8, the cutter synchronizing wheel, 3.9, miniature elastic thread conical cover of wedge, 3.10, Timing Belt, 3.11, feather key, 4, positioner, 4.1, support bar, 4.2, elevating mechanism, 4.3, transverse feed mechanism, 4.4, the screw thread elevating lever, 4.5, crane, 4.6, cross slide way, 4.7, slide block, 4.8, the rasp bar hand wheel structure, 4.9, vertically move piece, 4.10, handwheel.
The specific embodiment
Small diameter bore inwall vertical aperture processing unit (plant) as shown in Figure 1, comprise: support 1, be fixed in support 1 upper surface and be used for the workpiece fixing seat 2 of fixation workpiece, be used for the boring actuating unit 3 of Drilling operation and be fixed in the positioner 4 that support 1 upper surface is used for 3 running fixes of boring actuating unit;
The motion operation of said structure is: at first workpiece is fixed on the workpiece fixing seat 2 on the support 1, then by positioner 4 devices adjust boring actuating unit 3 cutter stretch in the workpiece pre-manufactured hole, then carry out aperture processing by boring actuating unit 3, can finely tune by positioner 4 in the process;
Boring actuating unit 3 comprises: be fixed in and decide retainer 3.1 on the positioner 4, be arranged at the removable retainer 3.2 of deciding retainer 3.1 front ends, be fixed in and decide on the retainer 3.1 and clutch end stretches into the motor 3.3 of deciding retainer 3.1 inside, be fixed in the aperture knife tool 3.4 of removable retainer 3.2 front ends; Motor 3.3 output shaft ends are fixed with motor drum in-phase 3.5; Deciding retainer 3.1 inside is processed with and can be communicated with the cavity 3.6 that motor 3.3 stretches into output shaft end; Removable retainer 3.2 can intercommunicating pore process tool 3.4 position and is decided the connecting hole 3.7 of retainer 3.1 internal cavities, and connecting hole 3.7 is coaxial with cavity 3.6 centers; Aperture knife tool 3.4 is perpendicular to connecting hole 3.7 central axis settings, and the cutter head of aperture knife tool 3.4 extends radially out in removable retainer 3.2 outer wall end faces; Deciding retainer 3.1 is fixed on the positioner 4;
Workpiece pre-manufactured hole place is provided with positioning seat 2.1 and runs through the workpiece pre-manufactured hole and the fixing positioning sleeve 2.2 that is threaded with positioning seat 2.1 as shown in Figure 5, and positioning sleeve 2.2 inwall axial directions are processed with guide key groove; Retainer 3.1 outer walls are provided with feather key 3.11;
Above-mentioned auxiliary locator operation principle is: at first positioning sleeve 2.2 is stretched into from workpiece pre-manufactured hole one end, then positioning sleeve 2.2 is fixing with positioning seat 2.1, then cooperate the guiding that realizes that cutter stretches into the guide key groove of positioning sleeve 2.2 inwalls by the feather key 3.11 of deciding on the retainer 3.1;
Aperture knife tool 3.4 is the stairstepping cutter, and namely the tool-holder part is different from the cutting tip tool diameter, and the cutter holding section diameter is less than or equal to the cutting tip diameter; Aperture knife tool 3.4 stretches into removable retainer 3.2 parts and is equipped with cutter synchronizing wheel 3.8; Cutter synchronizing wheel 3.8 is connected and fixed by miniature elastic thread conical cover of wedge 3.9 and aperture knife tool 3.4; Cutter synchronizing wheel 3.8 two ends are connected with removable retainer 3.2 inwalls by bearing, pass through Timing Belt 3.10 transmitting torques between motor drum in-phase 3.5 and the cutter synchronizing wheel 3.8;
This structure is by adopting the stairstepping cutter, and namely cutter handle of a knife place size is less, thereby has avoided the excessive problem of cutter holding mechanism size, adopts miniature elastic thread conical cover of wedge 3.9 that cutter and belt wheel are linked and packed, and realizes the reliability clamping of cutter;
Positioner as shown in Figure 2 comprises: be fixed in the support bar of support upper surface, be fixed in the elevating mechanism that post upper is used for driving boring actuating unit vertical lift, be used for driving the transverse feed mechanism of boring actuating unit cutter transverse shifting; Decide retainer and be fixed in the transverse feed mechanism front end;
Elevating mechanism 4.2 as shown in Figure 2 comprises: vertically be inserted into support bar 4.1 inner and with the screw thread elevating lever 4.4 of support bar 4.1 threaded engagement be fixed in the crane 4.5 of screw thread elevating lever 4.4 upper ends;
Transverse feed mechanism 4.3 as shown in Figure 2 comprises: be arranged at the cross slide way 4.6 of crane 4.5 inside, cover is as for the slide block 4.7 on the cross slide way 4.6 and the threaded rod hand wheel structure 4.8 that extends transversely into crane 4.5 inside; Threaded rod hand wheel structure 4.8 threaded shank portion and slide block 4.7 threaded engagement; Be provided with on the slide block 4.7 stroke vertical with slide block 4.7 strokes vertically move piece 4.9; Vertically move piece 4.9 and drive ball screw arrangement by handwheel 4.10 and drive and vertically move, namely vertically move piece 4.9 be placed on the fixing ball-screw of handwheel 4.10 on, and with ball-screw be threaded engagement; Decide retainer 3.1 and be fixed in longitudinal sliding block 4.9 front ends;
This structure realizes screw thread elevating lever 4.4 stretching with respect to support bar 4.1 by integral-rotation crane 4.5, and then finish whole lifting, then pass through the transversely traverse feed of guide rail 4.6 transverse shiftings realization cutter of rotary actuation slide block 4.7 of threaded rod hand wheel structure 4.8, the fine setting of cutter lengthwise position drives the ball-screw rotating drive by handwheel 4.10 and vertically moves slide block 4.9 and vertically move in the process, the guiding that vertically moves can be finished or feather key cooperates with gathering sill and finishes by guide rod, vertically move vertically moving of slide block 4.9 and drive and to decide retainer 3.1 and move, namely cutter moves.
Above-mentioned support bar 4.1 cooperates lifting structure to replace by controllable extensible mechanisms such as hydraulic cylinders with screw thread elevating lever 4.4.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet be not to limit the present invention, any those skilled in the art are not within breaking away from the technical solution of the present invention scope, appeal the equivalent embodiment that the technology contents that discloses is made a little change or is modified to equivalent variations when utilizing, in every case be the content that does not break away from technical solution of the present invention, any simple modification that foundation technical spirit of the present invention is done above embodiment, equivalent variations and modification all still belong in the scope of technical solution of the present invention.

Claims (6)

1. small diameter bore inwall vertical aperture processing unit (plant), it is characterized in that: comprise support (1), be fixed in support (1) upper surface and be used for the workpiece fixing seat (2) of fixation workpiece, be used for the boring actuating unit (3) of Drilling operation and be fixed in support (1) upper surface be used for the holing positioner (4) of actuating unit (3) running fix;
Described boring actuating unit (3) comprising: be fixed in and decide retainer (3.1) on the positioner (4), be arranged at the removable retainer (3.2) of deciding retainer (3.1) front end, be fixed in and decide the upper and clutch end of retainer (3.1) and stretch into and decide the inner motor (3.3) of retainer (3.1), be fixed in the aperture knife tool (3.4) of removable retainer (3.2) front end; Described motor (3.3) output shaft end is fixed with motor drum in-phase (3.5); Describedly decide retainer (3.1) inside and be processed with and be communicated with the cavity (3.6) that motor (3.3) stretches into output shaft end; Described removable retainer (3.2) can intercommunicating pore process tool (3.4) position and is decided the connecting hole (3.7) of retainer (3.1) internal cavities, and described connecting hole (3.7) is coaxial with cavity (3.6) center; Described aperture knife tool (3.4) is perpendicular to connecting hole (3.7) central axis setting, and the cutter head of aperture knife tool (3.4) extends radially out in removable retainer (3.2) outer wall end face; Describedly decide retainer (3.1) and be fixed on the positioner (4);
Described aperture knife tool (3.4) is the stairstepping cutter, and namely the cutter holding part is different from the cutting tip tool diameter, and the cutter holding section diameter is less than or equal to the cutting tip diameter; Described aperture knife tool (3.4) stretches into removable retainer (3.2) part and is equipped with cutter synchronizing wheel (3.8); Described cutter synchronizing wheel (3.8) is connected and fixed by miniature elastic thread conical cover of wedge (3.9) and aperture knife tool (3.4); Described cutter synchronizing wheel (3.8) two ends are connected with removable retainer (3.2) inwall by bearing;
Pass through Timing Belt (3.10) transmitting torque between described motor drum in-phase (3.5) and the cutter synchronizing wheel (3.8).
2. small diameter bore inwall vertical aperture processing unit (plant) according to claim 1 is characterized in that: described workpiece pre-manufactured hole place is provided with positioning seat (2.1) and runs through the workpiece pre-manufactured hole and the fixing positioning sleeve (2.2) that is threaded with positioning seat (2.1).
According to claim 1 with small diameter bore inwall vertical aperture processing unit (plant) claimed in claim 2, it is characterized in that: described positioning sleeve (2.2) inwall axial direction is processed with guide key groove; Describedly decide retainer (3.1) outer wall and be provided with feather key (3.11).
4. small diameter bore inwall vertical aperture processing unit (plant) according to claim 1, it is characterized in that: described positioner (4) comprising: the support bar (4.1) that is fixed in support (1) upper surface, be fixed in the elevating mechanism (4.2) that support bar (4.1) upper end is used for driving boring actuating unit (3) vertical lift, be used for driving the transverse feed mechanism (4.3) of boring actuating unit (3) cutter transverse shifting; Describedly decide retainer (3.1) and be fixed in transverse feed mechanism (4.3) front end.
5. small diameter bore inwall vertical aperture processing unit (plant) according to claim 4, it is characterized in that: described elevating mechanism (4.2) comprising: vertically be inserted into support bar (4.1) inner and with the screw thread elevating lever (4.4) of support bar (4.1) threaded engagement be fixed in crane (4.5) on the screw thread elevating lever (4.4).
6. small diameter bore inwall vertical aperture processing unit (plant) according to claim 5, it is characterized in that: described transverse feed mechanism (4.3) comprising: be arranged at the inner cross slide way (4.6) of crane (4.5), cover is as for the slide block (4.7) on the cross slide way (4.6) and extend transversely into the inner threaded rod hand wheel structure (4.8) of crane (4.5); Described threaded rod hand wheel structure (4.8) threaded shank portion and slide block (4.7) threaded engagement; Be provided with on the described slide block (4.7) stroke vertical with slide block (4.7) stroke vertically move piece (4.9); The described piece (4.9) that vertically moves drives ball screw arrangement by handwheel (4.10) and drives and vertically move, namely vertically move piece (4.9) be placed on the fixing ball-screw of handwheel (4.10) on, and with ball-screw be threaded engagement; Describedly decide retainer (3.1) and be fixed in longitudinal sliding block (4.9) front end.
CN201310303044.7A 2013-07-17 2013-07-17 Vertical hole in inner wall of small-diameter hole processing unit (plant) Active CN103317163B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104400914A (en) * 2014-09-26 2015-03-11 重庆大学 Method and device for realizing lateral drilling of blind hole in small-diameter deep hole
CN104786105A (en) * 2015-04-03 2015-07-22 大连理工大学 Multi-station device for machining rectangular deep cavity component side wall non-rotation groove and machining method
CN107971511A (en) * 2017-11-07 2018-05-01 航天材料及工艺研究所 A kind of grooved bit component, perforating device and drilling method
CN113510258A (en) * 2021-08-12 2021-10-19 天津华建天恒传动有限责任公司 Continuous positioning drilling method for inner wall radial hole

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3489040A (en) * 1967-08-23 1970-01-13 Donald R Westhoff Method of deep bore drilling
JPH1110421A (en) * 1997-06-20 1999-01-19 Osaka Bosui Constr Co Ltd Boring device for branch-pipe opening blocking membrane
CN201455339U (en) * 2009-04-15 2010-05-12 无锡大力起重机械有限公司 Hole boring machine
CN201940642U (en) * 2011-01-29 2011-08-24 安徽皖南电机股份有限公司 Boring system with transverse feed
CN102303147A (en) * 2011-08-25 2012-01-04 广州中船黄埔造船有限公司 Vertical hole boring machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3489040A (en) * 1967-08-23 1970-01-13 Donald R Westhoff Method of deep bore drilling
JPH1110421A (en) * 1997-06-20 1999-01-19 Osaka Bosui Constr Co Ltd Boring device for branch-pipe opening blocking membrane
CN201455339U (en) * 2009-04-15 2010-05-12 无锡大力起重机械有限公司 Hole boring machine
CN201940642U (en) * 2011-01-29 2011-08-24 安徽皖南电机股份有限公司 Boring system with transverse feed
CN102303147A (en) * 2011-08-25 2012-01-04 广州中船黄埔造船有限公司 Vertical hole boring machine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104400914A (en) * 2014-09-26 2015-03-11 重庆大学 Method and device for realizing lateral drilling of blind hole in small-diameter deep hole
CN104400914B (en) * 2014-09-26 2016-09-28 重庆大学 A kind of device realizing lateral drilling blind hole in Small-deep Hole
CN104786105A (en) * 2015-04-03 2015-07-22 大连理工大学 Multi-station device for machining rectangular deep cavity component side wall non-rotation groove and machining method
CN107971511A (en) * 2017-11-07 2018-05-01 航天材料及工艺研究所 A kind of grooved bit component, perforating device and drilling method
CN113510258A (en) * 2021-08-12 2021-10-19 天津华建天恒传动有限责任公司 Continuous positioning drilling method for inner wall radial hole
CN113510258B (en) * 2021-08-12 2022-03-15 天津华建天恒传动有限责任公司 Continuous positioning drilling method for inner wall radial hole

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