CN102699377B - A kind of lean auto-feed of replacing is bored - Google Patents

A kind of lean auto-feed of replacing is bored Download PDF

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Publication number
CN102699377B
CN102699377B CN201210199677.3A CN201210199677A CN102699377B CN 102699377 B CN102699377 B CN 102699377B CN 201210199677 A CN201210199677 A CN 201210199677A CN 102699377 B CN102699377 B CN 102699377B
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China
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feed
auto
feeding
fixed
drill
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CN201210199677.3A
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Chinese (zh)
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CN102699377A (en
Inventor
袁培江
余蕾斌
公茂震
沈立恒
薛雷
马福存
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上海飞机制造有限公司
北京航空航天大学
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Publication of CN102699377A publication Critical patent/CN102699377A/en
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Abstract

A kind of lean auto-feed of replacing is bored, and it bores main body by auto-feed and workbench forms, and this invention can select different workbenches according to different environments for use or condition, realizes the boring to processing work, fraising, the operations such as spot-facing.Workbench comprises: (1) X-Y flexible rail platform, and it can adapt to and be adsorbed in the surface of different curvature; (2) double-sided suction cup platform, it can realize carrying out adsorption operation to the fixation workpiece of small space; (3) C type jaw platform, can equally carry out routine boring by entablement brill.Feature of the present invention is lean, light, can realize changing the outfit fast, for the drilling process that various different workpieces can carry out accurately and fast.

Description

A kind of lean auto-feed of replacing is bored
Technical field
The lean auto-feed that the present invention relates to a kind of replacing is bored.More particularly, the present invention relates to the lean auto-feed drilling system of replacing at X-Y flexible rail, double-sided suction cup and C type jaw platform.
Background technology
Assembling is the key link of aircraft manufacturing process.Current transporation by plane work amount accounts for 30% ~ 45% of whole aircraft manufacturing operations amount, and its connected mode is manually to bore riveting (boring).But traditional artificial boring exists many deficiencies, be mainly manifested in workload large, the efficiency of boring is low, the difficult quality guarantee in hole, and in mass production, man power and material's cost is high.Therefore automation hole fabrication techniques be present generation aircraft assembling in an important application and research direction.Robot automation's drilling flexibility is good, high to the adaptability of workpiece, ensure that drilling quality, improves drilling efficiency and precision.
Robot automation's hole fabrication techniques has obtained investigation and application widely abroad.Automatic punching rate in current external military, civilian Aircraft Production process reaches more than 17% and 75% respectively.The U.S. is the country of the hole fabrication techniques of investigation and application automation the earliest, and in addition, the countries such as Germany, France, Russia (former Soviet Union) are also studied automatic punching technology and apply.In recent years, domestic air mail enterprise have accumulated certain technical foundation at transporation by plane technical elements, and the technology such as robot hole have had larger progress.But on the whole, Domestic Aircraft assembling also rests on the hand assembled stage adopting traditional type frame mostly, digitlization boring and the not yet through overall aircraft assembling process of assembling, parts docking automatic setup system also belongs to blank, and the mobile production line technology based on Lean Manufacturing theory is also in the exploratory stage.
End effector is as one of the highest essential elements module of content in whole robot hole systems technology, realize modularization, multi-functional machinery and control system during try one's best little structure at one and there is huge challenge, in order to realize the high efficiency of present generation aircraft, high accuracy, automation and greenization drilling, the end effector of automatic punching system becomes the previous important research object of order.
The design studies for the fuselage aircraft thin-walled sandwich one-way compression automation drill process in the development of airliner fuselage needed for Automated assembly, under capturing one-way compression condition, automation drilling thrust is analyzed and test, perpendicularity, amount of interference are to the impact analysis of quality of connection and experiment, fuselage docking Automated assembly Joining Technology optimization etc., substantially increase drilling precision and efficiency.Feature of the present invention is lean, light, can realize changing the outfit fast, for the drilling process that various different workpieces can carry out accurately and fast.
By the research and development of the design, by the effective engineer applied of the light-duty automatic assembly system of promotion in airframe docking operation, promote the universal further of aviation automation hole fabrication techniques, promote the development of China's aircraft Automated assembly technology, promote aero-manufacturing technology level and international competitiveness.
Summary of the invention
For above-mentioned technical problem of the prior art, the lean auto-feed that the object of this invention is to provide a kind of replacing is bored, and shape, size and the working space different according to workpiece can select different processing platforms.This invention changes the outfit soon, processing is flexible, it is light to use, and improves working (machining) efficiency and quality, and achieves the multi-function of auto-feed brill.
The present invention is achieved through the following technical solutions.
A kind of lean auto-feed of replacing is bored, it is characterized in that this auto-feed is bored to comprise: main body and processing platform two parts are bored in auto-feed, shape, size and the working space different according to workpiece select X-Y flexible rail platform, double-sided suction cup platform or C type jaw processing platform, reach the object that workpiece is accurately processed smoothly.
Preferably, described auto-feed brill main body comprises: feeding drill spindle drive part, feeding drill spindle drilling part and leading screw feeding part.
Feeding drill spindle drive part comprises: Panasonic's servo principal axis motor, keyset, drill sleeve, shaft coupling, bearing baffle ring, rolling bearing, power transmission shaft, lower back-up ring, oil sealing, locking nut.
Feeding drill spindle drilling part comprises: drilling tool fixed cover, guide pin bushing, slip ring, retainer ring, drilling tool outer cover, potsherd, drill chuck head, drill bit.
Leading screw feeding part comprises: Panasonic's servo feed motor, belt wheel, rolling bearing, guide wheel axle, end cap, leading screw drive fixed mount, feed screw nut, ball-screw, leading screw holder, change the outfit plate.
During work, feeding drill spindle drive part provides rotates and is passed to feeding drill spindle drilling part, drives bit.Now, leading screw feeding part, as required with suitable feed speed feeding, realizes auto-feed boring.
Preferably, described X-Y flexible rail platform comprises: X track and Y track two parts.
X track comprises: commutator, filter, 90 degree of sucker tracheae connectors, sucker, conversion column, flexible rails.
Y track comprises: pulley connecting plate, roller seat driven end, roller, roller eccentric shaft, slide rail installing plate, line slide rail, slide block, slide block block.
X-Y flexible rail can be adaptive to the curved surface of various different curvature, by sucker suction at surface of the work.X track provides the track of an X-direction, drives Y track along the positive negative direction movement arbitrarily of X by roller.Y track provides the track of a Y-direction, is realized the movement of Y-direction by line slide rail, and auto-feed is bored main body and is fixed on two slide blocks on line slide rail, makes it can along Y-direction movement arbitrarily.During boring, main body is bored in manual mobile auto-feed makes it reach bore position, and the then movement of locked X and Y-direction, realizes boring.The drill bit of auto-feed brill main body is the working space of auto-feed brill along the place that X and Y-direction can arrive.
Preferably, described double-sided suction cup platform comprises: sucker connecting rod and vacuum cup.
To the processing of the hole of fuselage interior (such as in the docking of wing body) during the boring of the fixation workpiece of small space, double-sided suction cup just shows its huge advantage, the auto-feed of workman's portable lean drills into narrow and small working region, and double-sided suction cup is adsorbed on surface of the work can start drilling operation.Greatly save the muscle power of workman, improve drilling efficiency.
Preferably, described C type jaw processing platform comprises: C type jaw fixed mount.
C type jaw fixed mount, can be fixed on bench drill base and just can equally carry out routine boring by entablement brill.
Bore relative to existing auto-feed, the invention has the advantages that:
(1) lean.Volume of the present invention is little, and in order to improve its lightweight, auto-feed is bored main body and adopted thin wall complex structure, to replace traditional build-up member structure.
(2) replacing.Replacing, on X-Y flexible rail, double-sided suction cup and C type jaw processing platform, realizes carrying out rapid drilling to the workpiece of different shapes, size and working space.
(3) practicality.Can be used for, in various borehole environment, having semi-automatic function, a staff just can complete highly difficult boring, saves the muscle power of workman, improves drilling efficiency.
Accompanying drawing explanation
Fig. 1 is the overall structure figure that X-Y flexible rail auto-feed of the present invention is bored.
Fig. 2 is the overall structure figure that double-sided suction cup auto-feed of the present invention is bored.
Fig. 3 is the overall structure figure that C type jaw auto-feed of the present invention is bored.
Fig. 4 is the overall structure figure that main body is bored in auto-feed of the present invention.
Fig. 5 is the STRUCTURE DECOMPOSITION figure that feeding drill spindle drive part and feeding drill spindle drilling part in main body are bored in auto-feed of the present invention.
Fig. 6 is the structure chart that leading screw feeding part in main body is bored in auto-feed of the present invention.
Fig. 7 is the structure chart of X-Y flexible rail platform of the present invention.
In figure:
Main body is bored in 1 auto-feed:
11 feeding drill spindle drive part 110 Panasonic servo principal axis drive motors
111 keyset 112 drill sleeve 113 shaft coupling 114 bearing baffle rings
115 rolling bearing 116 power transmission shaft 117 times back-up ring 118 oil sealings
119 locking nuts
12 feeding drill spindle drilling part 120 drilling tool fixed cover 121 guide pin bushings
122 slip ring 123 retainer ring 124 drilling tool outer cover 125 potsherds
126 drill chuck head 127 drill bits
13 leading screw feeding part 130 Panasonic servo feed drive motors 131 belt wheels
132 rolling bearing 133 guide wheel axle 134 end cap 135 leading screws drive fixed mount
136 feed screw nut 137 ball-screw 138 leading screw holders 139 change the outfit plate
2 flexible guide rails:
21X track 210 commutator 211 filter 213 vacuum cup
21290 degree of sucker tracheae connectors 214 change column 215 flexible rail
220 pulley connecting plate 221 roller seat driven ends
222 roller 223 roller eccentric shaft 224 slide rail installing plate 225 line slide rails
226 slide block 227 slide block blocks
3 double-sided suction cup: 31 sucker connecting rod 32 vacuum cups
4C type jaw processing platform
5 associate members:
The spacing proximity transducer 54 zero-bit proximity transducer of 51 Timing Belt 52 proximity transducer installing plate 53
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Shown in Fig. 1, Fig. 2 and Fig. 3, the present invention bores main body 1 by auto-feed and workbench forms.Workbench has X-Y flexible rail platform 2, double-sided suction cup platform 3 or C type jaw processing platform 4 three kinds of platforms.Auto-feed brill main body 1 can be arranged on fast as the case may be on any one platform wherein and hole.
(1) main body is bored in auto-feed
Shown in Fig. 4, Fig. 5 and Fig. 6, auto-feed is bored main body and is comprised: feeding drill spindle drive part 11, feeding drill spindle drilling part 12 and leading screw feeding part 13.
1, feeding drill spindle drive part
Shown in Figure 5, feeding drill spindle drive part 11 comprises: Panasonic's servo principal axis drive motors 110, keyset 111, drill sleeve 112, shaft coupling 113, bearing baffle ring 114, rolling bearing 115, power transmission shaft 116, lower back-up ring 117, oil sealing 118, locking nut 119.
Panasonic's servo principal axis drive motors 110 of feeding drill spindle drive part 11 is fixed on keyset 111, be connected with power transmission shaft 116 by shaft coupling 113, supporting drive shaft 116 is carried out by rolling bearing 115, rolling bearing prevents rolling bearing play by bearing baffle ring 114 and lower back-up ring 117, the fixing of position is realized by locking nut 119 in the bottom of lower back-up ring 117, oil sealing 118 is equipped with in the outside of lower back-up ring 117, its act as prevent silt, dust, aqueous vapor etc. in outer intrusion bearing and restriction bearing in lubricating oil spill.Have drill sleeve 112 in oil sealing 118 outer cover, drill sleeve 112 is also fixed on keyset 111.Thering is provided power when holing by servomotor of holing, driving the drill chuck head that drill bit is housed to rotate by power transmission shaft, under the cooperation of feed motion, realizing the boring to aircraft skin.
In feeding drill spindle drive part, Panasonic's servo principal axis drive motors 110 selects the model of PANASONIC to be the AC servo motor of Panasonic-A5-MADHT1505, its rated power is 750W, rotating speed is 6000r/min, and under rated speed, moment of torsion reaches the torque of 3Nm; Shaft coupling employing model is the clamping screw fixed shaft coupling of LK8-C14S; The rolling bearing S7024 of Selection of Bearings standard component GB292-94, it is of a size of overall diameter 47mm interior diameter 20mm thickness 14mm.
2, feeding drill spindle drilling part
Shown in Figure 5, feeding drill spindle drilling part 12 comprises: drilling tool fixed cover 120, guide pin bushing 121, slip ring 122, retainer ring 123, drilling tool outer cover 124, potsherd 125, drill chuck head 126, drill bit 127.
Drill chuck head 126 in feeding drill spindle drilling part 12 is connected with one end of the power transmission shaft 116 of feeding drill spindle drive part 11, and the end of drill chuck head 126 is fixed wtih drill bit 127.The outer cover of drill chuck head 126 has two potsherds 125, and drill chuck head 126 is fixed by retainer ring 123 with the junction of power transmission shaft 116.There is drilling tool outer cover 124 in drill chuck head 126 outer cover, shield.The top of drilling tool outer cover 124 is provided with slip ring 122 and guide pin bushing 121 successively, and is connected and fixed by drilling tool fixed cover 120 and feeding drill spindle drive part 11.
Drill chuck head 126 selects model to be HSK32-WTE08; Drill bit is determined according to boring requirement.
3, leading screw feeding part
Shown in Figure 6, leading screw feeding part 13 comprises: Panasonic's servo feed drive motors 130, belt wheel 131, rolling bearing 132, guide wheel axle 133, end cap 134, leading screw drive fixed mount 135, feed screw nut 136, ball-screw 137, leading screw holder 138, change the outfit plate 139.
Panasonic's servo feed drive motors 130 is fixed on leading screw and drives on fixed mount 135, and the output shaft of Panasonic's servo feed drive motors 130 is connected with belt wheel 131.Rolling bearing 132 is arranged in guide wheel axle 133, so has the assembly of six groups of identical guide wheel axles and rolling bearing, is arranged on leading screw and drives on fixed mount 135 after these guide wheel axles and rolling bearing combine.The upper end of 2 identical ball-screws 137 is fixed on leading screw and drives on fixed mount 135 and to be connected with two belt wheels 131 respectively.Timing Belt 51 walks around belt wheel 131 and rolling bearing 132, realizes gearing, and ensures the synchronous axial system of two ball-screws 137.Two feed screw nuts 136 respectively with two parallel cooperations of ball-screw 137, rotary motion is converted to rectilinear motion.Feed screw nut is also fixed with keyset 111, makes it drive auto-feed to bore spindle drilling.The lower end of ball-screw is connected with the plate 139 that changes the outfit by leading screw holder 138, realizes the Quick universal of workbench.
In boring procedure, Panasonic's servo feed drive motors 130 works, and by Timing Belt 51, two ball-screws 137 is rotated simultaneously.The converting rotary motion of ball-screw is feed screw nut rectilinear motion by feed screw nut 136, drives the keyset 111 being fixed with auto-feed brill main shaft to move up and down.
In leading screw feeding part 13, Panasonic's servo feed drive motors 130 adopts the model of PANASONIC to be the AC servo motor of Panasonic-A5-MADHT1505, its rated power is 440W, and rotating speed is 2200r/min, and under rated speed, moment of torsion reaches the torque of 1.5Nm; The rolling bearing 628 of rolling bearing 132 selection standard part GB276-94, it is of a size of overall diameter 24mm interior diameter 8mm thickness 8mm; Ball-screw 112A ~ B adopts the model of Taiwan HIWIN to be the ball screw of R20-5T3-FSI-393-0.05, and external diameter is 20mm, and helical pitch is 5mm, and total length is 200mm, and precision is 0.05mm; Be R20-5T3-FSI-0.05 with feed screw nut 111A ~ Type B number that ball-screw is supporting.
(2) workbench
See Fig. 1, Fig. 2 and Fig. 3, workbench has X-Y flexible rail platform 2, double-sided suction cup platform 3 or C type jaw processing platform 4 three kinds of platforms.
1, X-Y flexible rail platform
Shown in Figure 7, X-Y flexible rail platform 2 comprises; X track, commutator 210, filter 211,90 degree of sucker tracheae connectors 212, vacuum cup 213, conversion column 214, flexible rail 215, Y track, pulley connecting plate 220, roller seat driven end 221, roller 222, roller eccentric shaft 223, slide rail installing plate 224, line slide rail 225, slide block 226, slide block block 227.
X track 21 comprises two flexible rails 215, and its radius change scope is 3m to 7m, and the bottom of two flexible rails is respectively provided with 5 vacuum cups 213, is connected between vacuum cup 213 with flexible rail 215 by changing column 214.When making air blowing commutate as air-breathing through commutator 210 after external air source ventilation, then after filter 211 filters, by 90 degree of sucker tracheae connectors 212, vacuum cup 213 is worked.When after ventilation, each vacuum cup is adsorbed on workpiece to be machined surface, and two flexible rails 215 will be adaptive to processed curved surface.Flexible rail can be adapted to the curved surface of different curvature.
Y track is connected with flexible rail by 8 rollers 222, and slides along flexible rail.Roller 222 is fixed on roller seat driven end 221 by roller eccentric shaft 223, each flexible rail has between two roller seat driven end 221, two roller seat driven ends 221 being installed with roller 222 and is connected with pulley connecting plate 220.Between two slide rail installing plate 224 crossbearers pulley connecting plate 220 on two flexible rails 215.Line slide rail 225 is arranged on slide rail installing plate 224, what match with line slide rail 225 is slide block 226, slide block 226 can linearly slide by slide rail 225, realize the movement of Y-direction, have two slide block blocks 227 to be arranged on slide rail installing plate 224 at the two ends of line slide rail 225, anti-limited slip block 226 skids off when sliding.
2, double-sided suction cup platform
Shown in Figure 2, double-sided suction cup platform 3 comprises: sucker connecting rod 31, vacuum cup 32.Design is very simple, but also very practical.As long as when in use two circular vacuum cups 32 are adsorbed on processing work surface just can hole, substantially increase difficulty and the efficiency of boring, particularly to some at the fixing workpiece of small space.
3, C type jaw processing platform
Shown in Figure 3, C type jaw fixed mount, can be fixed on bench drill base and just can equally carry out routine boring by entablement brill, flexibly and easily.
(3) associate member
Shown in Figure 4, associate member comprises: Timing Belt 51, proximity transducer installing plate 52, spacing proximity transducer 53, zero-bit proximity transducer 54.
Timing Belt 51 effect is that the rotation of Panasonic's servo feed drive motors 130 is passed to ball-screw 137.Spacing proximity transducer 53 and zero-bit proximity transducer 54 are all arranged on proximity transducer installing plate 52, and proximity transducer installing plate 52 is arranged on leading screw and drives on fixed mount 135.Zero-bit proximity transducer 54 as zero position switch, when holing as the zero-bit of leading screw feeding part 13.And spacing proximity transducer 53 is as limit switch, it works the motion limiting leading screw feeding part 13, avoids colliding.
The model that spacing proximity transducer 53 and zero-bit proximity transducer 54 select Otto Buddhist nun gram (Autonics) Electronics Co., Ltd. to produce is the high frequency oscillation type proimity sensor of PRL18-5DN, and distance sensing is 2mm.
When concrete field operation, workman shape, size and the working space different according to workpiece can select X-Y flexible rail platform 2, double-sided suction cup platform 3 or C type jaw processing platform 4, realize changing the outfit fast, shown in Fig. 1, Fig. 2 and Fig. 3, to reach the object that workpiece is accurately processed smoothly.
The foregoing is only several specific embodiment of the present invention, above embodiment is only for explaining and unrestricted right of the present invention technical scheme of the present invention and inventive concept.All technical staff in the art in conjunction with prior art, by the available other technologies scheme of logic analysis, reasoning or limited experimentation, also should be considered to drop within claims of the present invention on the inventive concept basis of this patent.

Claims (8)

1. can the lean auto feed system of Quick universal processing platform, it comprises auto-feed and bores main body and work pieces process platform, and auto-feed is bored main body and is fixed on work pieces process platform by rectangular guideway, realizes the drilling operation to processing work;
Auto-feed is bored main body and is comprised: feeding drill spindle drive part (11), feeding drill spindle drilling part (12) and leading screw feeding part (13); Feeding drill spindle drive part (11) provides and transmits the power of drilling, feeding drill spindle drilling part (12) realizes the boring of system to workpiece, described leading screw feeding part (13), as required with suitable feed speed feeding, realizes auto-feed boring; Feeding drill spindle drive part (11) is directly connected with feeding drill spindle drilling part (12), and leading screw feeding part (13) is connected by lock nut with feeding drill spindle drilling part (12);
Work pieces process platform comprises: X-Y flexible rail processing platform (2), double-sided suction cup processing platform (3) or C type jaw processing platform (4), and auto-feed is bored main body and holed by any one platform of being arranged on rapidly wherein as the case may be, X-Y flexible rail processing platform (2) comprising: X track (21), commutator (210), filter (211), 90 degree of sucker tracheae connectors (212), vacuum cup (213), conversion column (214), flexible rail (215), Y track, pulley connecting plate (220), roller seat driven end (221), roller (222), roller eccentric shaft (223), slide rail installing plate (224), line slide rail (225), slide block (226), slide block block (227), double-sided suction cup processing platform (3) comprising: sucker connecting rod (31) and vacuum cup (32), C type jaw processing platform (4) comprises C type jaw fixed mount,
The plate that changes the outfit (139) that main body (1) is bored in auto-feed is fixed on the Y track of X-Y flexible rail processing platform (2), X-Y flexible rail processing platform (2) can be adapted to different curvature processing work surface, and carry auto-feed bore main body (1) hole in any position of its X-Y working region; Two sucker connecting rods (31) of double-sided suction cup processing platform (3) are fixed on auto-feed and bore on the plate that changes the outfit (139) of main body (1), and during work, two circular vacuum cups (32) are adsorbed on processing work surface and can hole; The C type jaw fixed mount of C type jaw processing platform (4) is fixed on bench drill base, carries out routine boring.
2. lean auto feed system according to claim 1, it is characterized in that, described feeding drill spindle drive part (11) comprising: Panasonic's servo principal axis drive motors (110), keyset (111), drill sleeve (112), shaft coupling (113), bearing baffle ring (114), rolling bearing (115), power transmission shaft (116), lower back-up ring (117), oil sealing (118), locking nut (119), Panasonic's servo principal axis drive motors (110) of feeding drill spindle drive part (11) is fixed on keyset (111), be connected with power transmission shaft (116) by shaft coupling (113), supporting drive shaft (116) is carried out by rolling bearing (115), rolling bearing prevents rolling bearing play by bearing baffle ring (114) and lower back-up ring (117), the fixing of position is realized by locking nut (119) in the bottom of lower back-up ring (117), oil sealing (118) is equipped with in the outside of lower back-up ring (117), drill sleeve (112) is had in lower back-up ring (117) outer cover, described shaft coupling (113), bearing baffle ring (114) and rolling bearing (115) are positioned at described drill sleeve (112), drill sleeve (112) is also fixed on keyset (111), power is provided by servomotor of holing when holing, the drill chuck head that drill bit is housed is driven to rotate by power transmission shaft, the boring to aircraft skin is realized under the cooperation of feed motion.
3. lean auto feed system according to claim 1, it is characterized in that, described feeding drill spindle drilling part (12) comprising: drilling tool fixed cover (120), guide pin bushing (121), slip ring (122), retainer ring (123), drilling tool outer cover (124), potsherd (125), drill chuck head (126), drill bit (127), drill chuck head (126) in feeding drill spindle drilling part (12) is connected with one end of the power transmission shaft (116) of feeding drill spindle drive part (11), the end of drill chuck head (126) is fixed wtih drill bit (127), the outer cover of drill chuck head (126) has two potsherds (125), drill chuck head (126) is fixed by retainer ring (123) with the junction of power transmission shaft (116), drilling tool outer cover (124) is had in drill chuck head (126) outer cover, shield, the top of drilling tool outer cover (124) is provided with slip ring (122) and guide pin bushing (121) successively, and be connected and fixed by drilling tool fixed cover (120) and feeding drill spindle drive part (11).
4. lean auto feed system according to claim 1, it is characterized in that, described leading screw feeding part (13) comprising: Panasonic's servo feed drive motors (130), belt wheel (131), rolling bearing (132), guide wheel axle (133), end cap (134), leading screw drive fixed mount (135), feed screw nut (136), ball-screw (137), leading screw holder (138), the plate that changes the outfit (139), Panasonic's servo feed drive motors (130) is fixed on leading screw and drives on fixed mount (135), the output shaft of Panasonic's servo feed drive motors (130) is connected with belt wheel (131), rolling bearing (132) is arranged in guide wheel axle (133), so there is the assembly of six groups of identical guide wheel axles and rolling bearing, being arranged on leading screw after described guide wheel axle and rolling bearing combine drives on fixed mount (135), the upper end of two identical ball-screws (137) is fixed on leading screw and drives fixed mount (135) upper and be connected with two belt wheels (131) respectively, Timing Belt (51) walks around belt wheel (131) and rolling bearing (132), realize gearing, and ensure the synchronous axial system of two ball-screws (137), two feed screw nuts (136) respectively with the parallel cooperation of two ball-screws (137), rotary motion is converted to rectilinear motion, feed screw nut is also fixed with keyset (111), it is made to drive auto-feed to bore spindle drilling, the lower end of ball-screw is connected with the plate that changes the outfit (139) by leading screw holder (138), realize the Quick universal of workbench.
5. lean auto feed system according to claim 4, it is characterized in that, in boring procedure, Panasonic's servo feed drive motors (130) works, by Timing Belt (51), two ball-screws (137) are rotated simultaneously, the converting rotary motion of ball-screw is feed screw nut rectilinear motion by feed screw nut (136), drives the keyset (111) being fixed with auto-feed brill main shaft to move up and down.
6. lean auto feed system according to claim 1, it is characterized in that, described X track (21) comprises two flexible rails (215), its radius change scope is 3m to 7m, the bottom of two flexible rails is respectively provided with 5 vacuum cups (213), be connected by changing column (214) between vacuum cup (213) with flexible rail (215), when making air blowing commutate as air-breathing through commutator (210) after external air source ventilation, again after filter (211) filters, by 90 degree of sucker tracheae connectors (212), vacuum cup (213) is worked, when after ventilation, each vacuum cup is adsorbed on workpiece to be machined surface, two flexible rails (215) will be adaptive to processed curved surface.
7. lean auto feed system according to claim 1, it is characterized in that, described Y track is connected with flexible rail by 8 rollers (222), and slide along flexible rail, roller (222) is fixed on roller seat driven end (221) by roller eccentric shaft (223), each flexible rail there are two roller seat driven ends (221) being installed with roller (222), pulley connecting plate (220) is connected with between two roller seat driven ends (221), between two slide rail installing plate (224) crossbearers pulley connecting plate (220) on two flexible rails (215), line slide rail (225) is arranged on slide rail installing plate (224), what match with line slide rail (225) is slide block (226), slide block (226) can linearly slide by slide rail (225), realize the movement of Y-direction, there are two slide block blocks (227) to be arranged on slide rail installing plate (224) at the two ends of line slide rail (225), anti-limited slip block (226) skids off when sliding.
8. lean auto feed system according to claim 4, it is characterized in that, described Timing Belt (51) effect is that the rotation of Panasonic's servo feed drive motors (130) is passed to ball-screw (137), spacing proximity transducer (53) and zero-bit proximity transducer (54) are all arranged on proximity transducer installing plate (52), proximity transducer installing plate (52) is arranged on leading screw and drives on fixed mount (135), zero-bit proximity transducer (54) is as zero position switch, when holing as the zero-bit of leading screw feeding part (13), and spacing proximity transducer (53) is as limit switch, it works the motion limiting leading screw feeding part (13), avoid colliding.
CN201210199677.3A 2012-06-15 2012-06-15 A kind of lean auto-feed of replacing is bored CN102699377B (en)

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