CN103521854A - Full-automatic floating tapping machine for pipe joint tapping and tapping method thereof - Google Patents
Full-automatic floating tapping machine for pipe joint tapping and tapping method thereof Download PDFInfo
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- CN103521854A CN103521854A CN201310474683.XA CN201310474683A CN103521854A CN 103521854 A CN103521854 A CN 103521854A CN 201310474683 A CN201310474683 A CN 201310474683A CN 103521854 A CN103521854 A CN 103521854A
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Abstract
The invention discloses a full-automatic floating tapping machine for pipe joint tapping and a tapping method of the full-automatic floating tapping machine. The tapping machine comprises a bottom frame, a panel, a rack, a floating clamping mould in siding connection with the panel, a tapping power machine, a vibrating feeding device, an automatic feeding device, an air cylinder and a PLC controller. The PLC controller is in electrical control connection with the tapping power machine, the automatic feeding device, the floating clamping mould and the air cylinder. A discharge opening is formed in the panel, the piston of the air cylinder is connected with the floating clamping mould, the floating clamping mould comprises a base with a discharge through hole and a hollow chuck, and the base is connected with the hollow chuck through a pressure spring arranged between the base and the hollow chuck. Limit rods are further arranged between the base and the hollow chuck. Supporting rods are further arranged at the bottom of the hollow chuck. The base and the hollow chuck are in elastic floating connection, and therefore when a circle center is automatically found faster and more flexibly, and machining efficiency and machining quality are greatly improved.
Description
Technical field
The present invention relates to a kind of full automatic tapping machine and tapping method thereof, relate in particular to a kind of for combing full-automatic floating tapping machine and the tapping method thereof of outstanding tapping.
Background technology
Before combing outstanding factory, need it to attack interior tooth.The factor of considering aspects such as saving material and environmental protection, generally combing outstanding person is all thin-wall part, while adopting tooth machining unit to its tapping, behind the center of circle of the center of circle alignment pieces of the screw tap that tapping need to be used, just can carry out tapping, the workpiece quality that guarantee processes like this.But be subject to Working Environments as vibration, the impacts such as tapping head and fixture tolerance, the center of circle that usually causes the center of circle misalignment workpiece of screw tap, thus there is serious eccentric mass problem in the workpiece processing; If adopt, manually adjust, waste time and energy, and working (machining) efficiency is extremely low.
Application publication number is CN103111692A, the Shen Qing Publication date is that the Chinese invention patent (hereinafter to be referred as documents) on May 22nd, 2013 discloses a kind of automatic floating tapping device, includes tooth machining unit, hydraulic means, floating clamping mechanism mould, vibrations feeder and controller, tooth machining unit includes support, main motor and tapping power head, and main motor and tapping power head are fixedly connected with support, hydraulic means includes magnetic valve and oil cylinder, and oil cylinder is provided with flexible pipe and is connected with magnetic valve, floating clamping mechanism mould includes mold base, geometrical clamp, live splint, guide holder and the axis of guide, geometrical clamp, oil cylinder and guide holder are fixedly connected with mold base, mold base and support are moving to be connected, one end of the axis of guide is fixedly connected with the piston rod of oil cylinder, and the other end of the axis of guide is fixedly connected with live splint, tapping power head is provided with upper stroke switch and lower stroke switch, mold base is provided with magnetic force locking device, magnetic force locking device includes magnetic conductor, rotary magnetic core, rotary magnetic core includes the N utmost point and the S utmost point, between the N utmost point and the S utmost point, be provided with non-magnetizer, rotary magnetic core is provided with rotating shaft, and mold base is provided with bearing, moving being connected of bearing of rotating shaft and mold base, mold base is provided with adjusting motor, and rotating shaft is connected with regulating the motor shaft of motor, vibrations feeder includes charging basket and vibrations pay-off, and the vibrations discharging opening of pay-off and the workpiece entrance of geometrical clamp are connected, and the workpiece outlet of geometrical clamp is connected with blow tank, geometrical clamp is provided with tapping approach switch, for controlling the automatic screw work of automatic floating tapping device, controller is provided with control line and is connected with main motor, magnetic valve, upper stroke switch, lower stroke switch, adjusting motor, tapping approach switch and vibrations pay-off, the operation principle of described automatic floating tapping device is: during work, the threeway workpiece for the treatment of tapping is put into the charging basket of vibrations feeder, automatic change-over startup automatic floating tapping device by controller enters automatic control workflow, controller is controlled vibrations pay-off and first threeway workpiece is delivered to the tapping station of geometrical clamp by discharging opening, threeway workpiece enters after the tapping station of geometrical clamp, tapping approach switch is transferred to controller by its signal, controller is controlled the electromagnetic valve work of hydraulic means, the live splint that piston rod by solenoid control oil cylinder promotes floating clamping mechanism mould by threeway Workpiece clamping on the tapping station of geometrical clamp, after threeway workpiece is clamped, controller control and regulation electric machine rotation, utilize the rotary magnetic core that regulates electric machine rotation to drive magnetic force locking device to rotate, make the N utmost point of rotary magnetic core be positioned at the left side of rotary magnetic core, make the S utmost point of rotary magnetic core be positioned at the right of rotary magnetic core, make the magnetic line of force by the N utmost point, after threeway workpiece, be got back to the S utmost point, make rotary magnetic core produce magnetic attraction to threeway workpiece, increase the stability of threeway workpiece, improve the quality of tapping, after threeway workpiece is rotated magnetic core and sucks, it is descending that controller is controlled the tapping power head rotation of tooth machining unit, tapping knife touch threeway workpiece until tapping hole time, because mold base and support are moving, be connected, floating clamping mechanism mould is fixed on mold base, therefore tapping knife rotation promotes floating clamping mechanism mold movement, the center of the middle mind-set tapping knife for the treatment of tapping hole of threeway workpiece is moved, the center that makes the tapping Kong center of the treating aligning tapping knife of threeway workpiece, utilizes tapping knife automatic Proofreading threeway workpiece to treat the object at center, tapping hole to reach, tapping knife automatic Proofreading threeway workpiece behind center, tapping hole, the rotary chuck of tapping power head drives that tapping knife rotation is descending treats the tapping of tapping hole in threeway workpiece, after tapping power head tapping puts in place, lower stroke switch is transferred to controller by signal, and controller is controlled tapping power head rising and resetted, and tapping power head rises to after upper stroke switch, upper stroke switch is transferred to controller by its signal, and controller is controlled tapping power head and stopped rising, meanwhile, controller is controlled the magnetic valve commutation of hydraulic means, and solenoid control oil cylinder drives live splint reset pine folder, simultaneously, the rotary magnetic core of controller control and regulation driven by motor magnetic force locking device rotates and resets, make the N utmost point of rotary magnetic core be positioned at the top of rotary magnetic core, make the S utmost point of rotary magnetic core be positioned at the following of rotary magnetic core, make the magnetic line of force through magnetic conductor, get back to the S utmost point by the N utmost point, make rotary magnetic core lose magnetic attraction to threeway workpiece, regulate driven by motor rotary magnetic core to rotate after reset, controller is controlled vibrations pay-off and the threeway workpiece of second is delivered to the tapping station of geometrical clamp by discharging opening, the workpiece outlet of geometrical clamp shifted first threeway workpiece that is positioned at tapping station onto by the threeway workpiece of second, and first threeway workpiece of tapping is exported by workpiece and blow tank flows in the hopper of blow tank below, second threeway workpiece enters after the tapping station of geometrical clamp, repeats said process, and so constantly circulation, utilizes automatic floating tapping device to carry out automatic screw to threeway workpiece.
Automatic floating tapping device in above-mentioned documents is the center that utilizes floating clamping mechanism mould check and correction threeway workpiece and tapping knife, contacting between its mold base and support is face and the contacting of face, when automatic alignment center, thereby mold base need to move the center of threeway workpiece is adjusted on the position consistent with the center of tapping knife on support, but because contacting between its mold base and support is face and the contacting of face, the frictional force that mold base is subject to while moving on support is very large, this impacts while understanding its automatic alignment center, thereby its working (machining) efficiency and crudy have been reduced.
Summary of the invention
Technical problem to be solved by this invention is the defect existing for prior art, provide a kind of for combing full-automatic floating tapping machine and the tapping method thereof of outstanding tapping, its screw tap can quick and precisely find the center of circle with alignment pieces in tapping, thereby has improved working (machining) efficiency and crudy.
For solving above technical problem, the technical solution adopted in the present invention is: a kind of for combing the full-automatic floating tapping machine of outstanding tapping, comprise underframe, be arranged on the panel on described underframe, be arranged on the frame on described panel, the floating clamping mechanism mould being slidably connected with described panel, be arranged on the tapping engine of described upper rack, be arranged on the vibrating material feeding device of described frame sidepiece and for workpiece is transported to the automatic feeding described floating clamping mechanism mould from described vibrating material feeding device, be arranged on the cylinder on described panel, PLC controller; Described PLC controller and described tapping engine, automatic feeding, electrical control is connected floating clamping mechanism mould with cylinder; On described panel, have discharge openings, the piston of described cylinder is connected with described floating clamping mechanism mould, described floating clamping mechanism mould is positioned at described panel discharge openings top and its reciprocating motion of the pistons by described cylinder can move back and forth above described panel discharge openings, described floating clamping mechanism mould comprises and has out the base of material through hole and for the hollow chuck of clamping work pieces, described base is connected by the stage clip being arranged between it with hollow chuck; Between described base and hollow chuck, be also provided with for limiting the gag lever post of hollow chuck position; In described hollow chuck bottom, be also provided with support bar, described support bar is when not tapping, and it does not contact base, and when tapping, it contacts with base, is used for withstanding hollow chuck.
Preferably, what described hollow chuck adopted is three-jaw fluid-pressure formula hollow chuck, comprise chuck base plate and chuck body, on the susceptor surface of described floating clamping mechanism mould and chuck base plate bottom, be provided with projection, the two ends of described stage clip are connected with described projection respectively.
Preferably, described gag lever post is bolt, on described base, be provided with screwed hole, on described chuck base plate, have through hole, the screw rod of described bolt twists in the screwed hole on described base through the through hole on described chuck base plate, and the nut of described bolt contacts with described chuck base plate, with nut, bolt-locking is fixed on base.
Preferably, the through-hole diameter on described chuck base plate is than the screw diameter of described bolt large 300 to 500 microns.
Preferably, described automatic feeding comprises the cross slide way plate that is arranged on described frame sidepiece, on cross slide way plate, be provided with cross slide way, T-shaped plate, described T-shaped plate comprises transverse slat and riser, in bottom, described transverse slat one end, be provided with horizontal guide groove, the horizontal guide groove of described T-shaped plate by its transverse slat bottom and the cross slide way on cross slide way plate match and are slidably connected with cross slide way plate, on described frame sidepiece and the position being positioned at below cross slide way plate be also provided with lateral cylinder, the piston of described lateral cylinder is connected with the riser of described T-shaped plate; On the other one end of described transverse slat, be provided with vertical cylinder, the piston end of described vertical cylinder is provided with vertical movable plate, in described vertical movable plate one side, be provided with finger cylinder, on described finger cylinder, be provided with the chuck for clamping work pieces, in the other side of described vertical movable plate, be provided with vertical guide groove, on described riser and a side that is positioned at vertical cylinder be provided with vertical guide, described vertical movable plate is matched and is slidably connected with described T-shaped plate by its vertical guide groove and described vertical guide; At described lateral cylinder, on vertical cylinder, be provided with for spacing sensor, described sensor is connected with the electrical control of PLC control cabinet.
Preferably, on the both sides of described panel blanking opening, be provided with track base, between described track base, be provided with guide rail, the base bottom of described floating clamping mechanism mould is provided with the guide groove coordinating with described guide rail, described floating clamping mechanism mould is coordinated and is slidably connected by the guide groove of its base and the guide rail of described track base, the piston that is arranged on the cylinder on described panel is connected with the base of described floating clamping mechanism mould, described floating clamping mechanism mould can move back and forth along described guide rail under the drive of cylinder piston above described panel blanking opening, on described cylinder, be provided with for spacing sensor, described sensor is connected with the electrical control of PLC controller.
Preferably, be also provided with adjustable limiting screw rod on described track base, on described track base, be provided with screwed hole, described adjustable limiting screw rod, through described screwed hole, is fixed on described track base with nut.
Preferably, on described underframe and be positioned at described panel discharge openings below be also provided with drawing mechanism, described drawing mechanism comprises at the discharging slideway of described panel discharge openings both sides and the dividing plate between the discharging slideway in described both sides.
Preferably, be also provided with fueling injection equipment in described frame, it comprises atomizer and oil pipe.
The present invention also provides a kind of tapping method of full-automatic floating tapping machine as above, comprises the following steps:
(1), PLC controller is controlled automatic feeding and workpiece is transported to from described vibrating material feeding device to the described floating clamping mechanism mould that is arranged in the turnover location of workpiece;
(2), the fixture controlled on described floating clamping mechanism mould of PLC controller steps up workpiece, controls described floating clamping mechanism mold movement to the processing work position of the tapping head below of described tapping engine; Meanwhile, control automatic feeding and take out next workpiece from vibrating material feeding device, then enter wait state;
(3), control the downward tapping of described tapping engine, when screw tap touches workpiece downwards, described floating clamping mechanism mould is under the downward contact action of screw tap, by the elastic floating effect of the stage clip that arranges between its base and hollow chuck, automatically the center of circle of workpiece is aimed to the center of circle of screw tap, when finding the center of circle accurately, screw tap continues downward tapping; Complete after tapping, PLC controller is controlled in screw tap reversion and is moved;
(4), after screw tap is removed, PLC controller is controlled described floating clamping mechanism mold movement to the turnover location of workpiece, unclamp the fixture of described floating clamping mechanism mould, the discharge openings that go out material through hole and panel on of workpiece from floating clamping mechanism mould come off naturally, complete this Workpiece tapping process; When unclamping the fixture of described floating clamping mechanism mould, control waiting automatic feeding workpiece is transported in floating clamping mechanism mould;
Wherein, after (4) step completes, forward to and carry out (2) step, until production task completes.
Beneficial effect of the present invention is: by stage clip being set between the base at described floating clamping mechanism mould and hollow chuck, making the annexation between it is that elastic floating connects, like this in tapping process, during the automatic alignment center of circle, fast and flexible, has improved working (machining) efficiency and crudy greatly more; Between hollow chuck of the present invention and base, because adopted stage clip, the wearing and tearing between hollow chuck and base have been eliminated, so its long service life; The position that main abrading section during the automatic alignment of the present invention center of circle contacts with chuck base plate at bolt, while needing to change after wearing and tearing, only need unload bolt to change, and easy and simple to handle, replacement cost is low.
Accompanying drawing explanation
Fig. 1 be in the present invention tooth machining unit face structural representation;
Fig. 2 is the left TV structure schematic diagram of tooth machining unit in the present invention;
Fig. 3 is the right TV structure schematic diagram of tooth machining unit in the present invention;
Fig. 4 is the local enlarged diagram in the floating clamping mechanism mould place in tooth machining unit of the present invention;
Fig. 5 is the floating clamping mechanism mould place stereochemical structure partial schematic diagram one in tooth machining unit of the present invention;
Fig. 6 is the floating clamping mechanism mould place stereochemical structure partial schematic diagram two in tooth machining unit of the present invention;
Fig. 7 is the automatic feeding place stereochemical structure partial schematic diagram in tooth machining unit of the present invention;
In figure: 1. underframe, 2. panel, 3. frame, 4. tapping engine, 5. vibrating material feeding device, 6. workpiece, 7. floating clamping mechanism mould, 8. automatic feeding, 9. cylinder, 10. PLC controller, 11. discharge openings, 12. bases, 13. hollow chucks, 14. stage clips, 15. gag lever posts, 16. support bars, 17. chuck base plates, 18. chuck body, 19. projections, 20. screwed holes, 21. through holes, 22. nuts, 23. cross slide way plates, 24. cross slide waies, 25. transverse slats, 26. risers, 27. horizontal guide grooves, 28. lateral cylinders, 29. vertical cylinders, 30. vertical movable plates, 31. finger cylinders, 32. chucks, 33. vertical guide grooves, 34. vertical guide, 35. track bases, 36. guide rails, 37. adjustable limiting screw rods, 38. discharging slideways, 39. dividing plates, 40. atomizers, 41. oil pipes.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is done to further detailed elaboration.
Embodiment: as shown in Figures 1 to 4, a kind of for combing the full-automatic floating tapping machine of outstanding tapping, comprise underframe 1, be arranged on the panel 2 on described underframe 1, be arranged on the frame 3 on described panel 2, the floating clamping mechanism mould 7 being slidably connected with described panel 2, be arranged on the tapping engine 4 on described frame 3 tops, be arranged on the vibrating material feeding device 5 of described frame 3 sidepieces and for workpiece 6 is transported to the automatic feeding 8 described floating clamping mechanism mould 7 from described vibrating material feeding device 5, be arranged on the cylinder 9 on described panel 2, PLC controller 10; Described PLC controller 10 and described tapping engine 4, automatic feeding 8,9 electrical controls are connected floating clamping mechanism mould 7 with cylinder; On described panel 2, have discharge openings 11, the piston of described cylinder 9 is connected with described floating clamping mechanism mould 7, described floating clamping mechanism mould 7 is positioned at described panel discharge openings 11 tops and its reciprocating motion of the pistons by described cylinder 9 can move back and forth above described panel discharge openings 11, described floating clamping mechanism mould 7 comprises and has out the base 12 of material through hole and for the hollow chuck 13 of clamping work pieces, described base 12 is connected by the stage clip 14 being arranged between it with hollow chuck 13; Between described base 12 and hollow chuck 13, be also provided with for limiting the gag lever post 15 of hollow chuck position; In described hollow chuck bottom, be also provided with support bar 16, described support bar 16 is when not tapping, and it does not contact base 12, and when tapping, it contacts with base 12, is used for withstanding hollow chuck 13.
A plurality of workpiece 7 are placed on described vibrating material feeding device 5 successively, and after being positioned at the unit one 7 of the material feeding end of vibrating material feeding device 5 and being walked by folder, a rear workpiece 7 is delivered to the material feeding end of vibrating material feeding device 5 automatically, successively circulation;
As shown in Figures 4 to 6, what described hollow chuck 13 adopted is three-jaw fluid-pressure formula hollow chuck, comprise chuck base plate 17 and chuck body 18, on base 12 surface of described floating clamping mechanism mould and chuck base plate 17 bottoms, be provided with protruding 19, the two ends of described stage clip 14 are connected with described protruding 19 respectively, between chuck base plate 17 and base 12, be provided with altogether 4 stage clips 14, at this moment hollow chuck 13 is in a kind of elastic floating state, under its stressed effect, can in certain scope, move, during tapping, be convenient to automatically be alignd with the center of circle of screw tap in the center of circle of workpiece.
Excessive for preventing hollow chuck moving range, on base 12, be also provided with 4 gag lever posts 15, described gag lever post 15 is bolt, on described base 12, be provided with screwed hole 20, on described chuck base plate 17, have through hole 21, the screw rod of described bolt twists in the screwed hole 20 on described base through the through hole 21 on described chuck base plate, and the nut of described bolt contacts with described chuck base plate 17, with nut 22, bolt-locking is fixed on base 12, prevents that bolt from being collided rear reversed screwed hole.Large 300 microns than the screw diameter of described bolt of through hole 21 diameters on described chuck base plate, also can be arranged to large 400 microns or 500 microns.Herein, gag lever post 15 also has another one effect, is exactly the distance between adjustable hollow chuck 13 and base 12.Mold base in documents is to be directly placed on support, and the distance between it is fixed, and like this, it can only process the workpiece of a certain length; And distance between hollow chuck 13 of the present invention and base 12 can regulate, because be provided with stage clip 14 between it, in the time need to processing the workpiece 6 of another length, as long as first unclamp nut 22, bolt is adjusted to suitable position, then tightening nut 22, one end of bolt is fixed on base like this, its other one end is fastened on chuck base plate by nut, thereby the distance adjustment between hollow chuck 13 and base 12 is arrived to suitable position.Adjustable like this function, can, so that the present invention can process the workpiece of different lengths, improve versatility of the present invention.
Contacting between the mold base in documents and support is face and the contacting of face, and frictional resistance is large; And be that elastic floating is connected between hollow chuck in the present invention and base, like this in tapping process, during the automatic alignment center of circle, fast and flexible more.In addition, contacting between the mold base of documents and support is face and the contacting of face, and frictional resistance is large, use after a period of time, and serious wear, service life is short; And between hollow chuck of the present invention and base because adopted stage clip, eliminated the wearing and tearing between hollow chuck and base, so its long service life.The contact-making surface of main abrading section in documents during the automatic alignment center of circle between mold base and support, needs repairing after a period of time while changing when using, and whole mold base and support need to be changed, and changes trouble and easily replacement cost is high; And the position that main abrading section during the automatic alignment of the present invention center of circle contacts with chuck base plate at bolt, while needing to change after wearing and tearing, only need be unloaded bolt and change, easy and simple to handle, replacement cost is low.
As shown in Figure 7, described automatic feeding 8 comprises the cross slide way plate 23 that is arranged on described frame 3 sidepieces, on cross slide way plate 23, be provided with cross slide way 24, T-shaped plate, described T-shaped plate comprises transverse slat 25 and riser 26, in described transverse slat 25 bottoms, one end, be provided with horizontal guide groove 27, the horizontal guide groove 27 of described T-shaped plate by its transverse slat bottom and the cross slide way 24 on cross slide way plate match and are slidably connected with cross slide way plate 23, on described frame 3 sidepieces and the position being positioned at below cross slide way plate 23 be also provided with lateral cylinder 28, the piston of described lateral cylinder 28 is connected with the riser of described T-shaped plate 26, on the other one end of described transverse slat 25, be provided with vertical cylinder 29, the piston end of described vertical cylinder 29 is provided with vertical movable plate 30, in described vertical movable plate 30 1 sides, be provided with finger cylinder 31, on described finger cylinder 31, be provided with the chuck 32 for clamping work pieces, in the other side of described vertical movable plate 30, be provided with vertical guide groove 33, on described riser 26 and a side that is positioned at vertical cylinder be provided with vertical guide 34, described vertical movable plate 30 is matched and is slidably connected with described T-shaped plate by its vertical guide groove 33 and described vertical guide 34, at described lateral cylinder, on vertical cylinder, be provided with for spacing sensor, described sensor is connected with the electrical control of PLC control cabinet.Described automatic feeding is clamped workpiece 6 by the chuck 32 of finger cylinder, by vertical reciprocating motion and traverse motion, workpiece 6 is pressed from both sides out from vibrating material feeding device 5 and workpiece 6 is placed in floating clamping mechanism mould 7.General automatic tapping machine adds man-hour by piece-holder to screw tap below, its method of clamping is from laterally clamping most of side surface of workpiece, but due to when combing outstanding tapping, comb is outstanding after zinc-plated processing, and also out-of-flatness on its side surface often remains zinc stream in the above, like this from the method for clamping of horizontal clamping, when the zinc on being clamped to the outstanding side surface of comb flows, can make workpiece eccentric, thereby occur eccentric mass problem; And the present invention adopts the chuck 32 of finger cylinder from vertically workpiece 6 being clamped of workpiece, thereby effectively avoided the appearance of eccentric mass problem.
As shown in Figure 5, on the both sides of described panel discharge openings 11, be provided with track base 35, between described track base 35, be provided with guide rail 36, base 12 bottoms of described floating clamping mechanism mould are provided with the guide groove coordinating with described guide rail 36, described floating clamping mechanism mould 7 is coordinated and is slidably connected by the guide groove of its base and the guide rail of described track base 36, be arranged on the piston of the cylinder 9 on described panel and the base 12 of described floating clamping mechanism mould is connected, described floating clamping mechanism mould 7 can move back and forth along described guide rail 36 under the drive of cylinder 9 pistons above described panel blanking opening 11, on described cylinder 9, be provided with for spacing sensor, described sensor is connected with 10 electrical controls of PLC controller.Described floating clamping mechanism mould 7, under the drive of cylinder piston, can move back and forth between the turnover location of workpiece and processing work position.The described turnover location of workpiece is positioned near the material feeding end of described vibrating material feeding device, and described processing work position is positioned at the tapping head below of described tapping engine.
On described track base 35, be also provided with adjustable limiting screw rod 37, on described track base 35, be provided with screwed hole, described adjustable limiting screw rod, through described screwed hole, is locked on described track base 35 with nut 22.Adjustable limiting screw rod is arranged on the track base 35 of both sides, before processing.First nut 22 is unclamped, adjustable limiting screw rod 37 is adjusted to correct position, then be locked with nut 22.When floating clamping mechanism mould 7 moves back and forth between the turnover location of workpiece and processing work position, utilize the adjustable limiting screw rod on the track base of both sides that the base of floating clamping mechanism mould 12 is withstood, thereby play accurate limiting effect.
As shown in Figure 1 to Figure 3, on described underframe 1 and be positioned at described panel discharge openings 11 below be also provided with drawing mechanism, described drawing mechanism comprises at the discharging slideway 38 of described panel discharge openings both sides and the dividing plate 39 between the discharging slideway 38 in described both sides.The discharging slideway 38 of both sides lays respectively at the below of the turnover location of workpiece and processing work position, when tapping, described floating clamping mechanism mould, under the effect of cylinder piston, is sent to processing work position, and the bits silk producing during tapping is discharged through the discharging slideway 38 of a side from described panel discharge openings; When tapping completes, described floating clamping mechanism mould is under the effect of cylinder piston, be sent to the turnover location of workpiece, when described floating clamping mechanism mould unclamps after the workpiece that tapping completes, the workpiece that tapping completes is discharged through the discharging slideway 38 of an other side from described panel discharge openings.Arrange like this and can rationally separate waste material and workpiece, thereby reduce quality and safe risk.
As shown in Figure 2 and Figure 5, in described frame 3, be also provided with fueling injection equipment, it comprises atomizer 40 and oil pipe 41, described fueling injection equipment will be connected with electric will the control of PLC controller, when screw tap carries out tapping, described fueling injection equipment is ejected into grease on screw tap, to strengthen the cutting power of screw tap, improves tapping efficiency and tapping quality.
It is a kind of according to the tapping method of full-automatic floating tapping machine as above that the present invention also provides, and comprises the following steps:
(1), PLC controller is controlled automatic feeding 8 and workpiece 6 is transported to from described vibrating material feeding device 5 to the described floating clamping mechanism mould 7 that is arranged in the turnover location of workpiece;
(2), the fixture controlled on described floating clamping mechanism mould 7 of PLC controller steps up workpiece, controls the processing work position that described floating clamping mechanism mould 7 moves to the tapping head below of described tapping engine 4; Meanwhile, control automatic feeding 8 and take out next workpiece 6 from vibrating material feeding device 5, then enter wait state;
(3), control the downward tapping of described tapping engine 4, when screw tap touches workpiece downwards, described floating clamping mechanism mould 7 is under the downward contact action of screw tap, by the elastic floating effect of the stage clip 14 of setting between its base 12 and hollow chuck 13, automatically the center of circle of workpiece 6 is aimed to the center of circle of screw tap, when finding the center of circle accurately, screw tap continues downward tapping; Complete after tapping, PLC controller is controlled in screw tap reversion and is moved;
(4), after screw tap is removed, PLC controller is controlled described floating clamping mechanism mould 7 and is moved to the turnover location of workpiece, unclamp the fixture of described floating clamping mechanism mould 7, workpiece is come off naturally from the hollow chuck 13 of floating clamping mechanism mould and the discharge openings 11 going out on material through hole and panel base 12, complete this Workpiece tapping process; When unclamping the fixture of described floating clamping mechanism mould 7, control waiting automatic feeding 8 workpiece 6 is transported in floating clamping mechanism mould 7;
Wherein, after (4) step completes, forward to and carry out (2) step, until production task completes.
In sum, the present invention is by arranging stage clip between the base at described floating clamping mechanism mould and hollow chuck, and making the annexation between it is that elastic floating connects, like this in tapping process, during the automatic alignment center of circle, fast and flexible, has improved working (machining) efficiency and crudy greatly more; Between hollow chuck of the present invention and base, because adopted stage clip, the wearing and tearing between hollow chuck and base have been eliminated, so its long service life; The position that main abrading section during the automatic alignment of the present invention center of circle contacts with chuck base plate at bolt, while needing to change after wearing and tearing, only need unload bolt to change, and easy and simple to handle, replacement cost is low.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique without departing from the spirit and scope of the present invention, can also make a variety of changes or convert.Therefore, all technical schemes that are equal to also should belong to protection scope of the present invention.Protection scope of the present invention should be limited by each claim.
Claims (10)
1. one kind for combing the full-automatic floating tapping machine of outstanding tapping, comprise underframe, be arranged on the panel on described underframe, be arranged on the frame on described panel, with the floating clamping mechanism mould that described panel is slidably connected, be arranged on the tapping engine of described upper rack, be arranged on the vibrating material feeding device of described frame sidepiece and for workpiece is transported to the automatic feeding described floating clamping mechanism mould from described vibrating material feeding device, be arranged on the cylinder on described panel, PLC controller; Described PLC controller and described tapping engine, automatic feeding, electrical control is connected floating clamping mechanism mould with cylinder; On described panel, have discharge openings, the piston of described cylinder is connected with described floating clamping mechanism mould, described floating clamping mechanism mould is positioned at described panel discharge openings top and its reciprocating motion of the pistons by described cylinder can move back and forth above described panel discharge openings, it is characterized in that: described floating clamping mechanism mould comprises and has out the base of material through hole and for the hollow chuck of clamping work pieces, described base is connected by the stage clip being arranged between it with hollow chuck; Between described base and hollow chuck, be also provided with for limiting the gag lever post of hollow chuck position; In described hollow chuck bottom, be also provided with support bar, described support bar is when not tapping, and it does not contact base, and when tapping, it contacts with base, is used for withstanding hollow chuck.
2. full-automatic floating tapping machine according to claim 1, it is characterized in that: what described hollow chuck adopted is three-jaw fluid-pressure formula hollow chuck, comprise chuck base plate and chuck body, on the susceptor surface of described floating clamping mechanism mould and chuck base plate bottom, be provided with projection, the two ends of described stage clip are connected with described projection respectively.
3. full-automatic floating tapping machine according to claim 2, it is characterized in that: described gag lever post is bolt, on described base, be provided with screwed hole, on described chuck base plate, have through hole, the screw rod of described bolt twists in the screwed hole on described base through the through hole on described chuck base plate, and the nut of described bolt contacts with described chuck base plate, with nut, bolt-locking is fixed on base.
4. full-automatic floating tapping machine according to claim 3, is characterized in that: large 300 to 500 microns than the screw diameter of described bolt of the through-hole diameters on described chuck base plate.
5. according to claim 1, 2, full-automatic floating tapping machine described in 3 or 4, it is characterized in that: described automatic feeding comprises the cross slide way plate that is arranged on described frame sidepiece, on cross slide way plate, be provided with cross slide way, T-shaped plate, described T-shaped plate comprises transverse slat and riser, in bottom, described transverse slat one end, be provided with horizontal guide groove, the horizontal guide groove of described T-shaped plate by its transverse slat bottom and the cross slide way on cross slide way plate match and are slidably connected with cross slide way plate, on described frame sidepiece and the position being positioned at below cross slide way plate be also provided with lateral cylinder, the piston of described lateral cylinder is connected with the riser of described T-shaped plate, on the other one end of described transverse slat, be provided with vertical cylinder, the piston end of described vertical cylinder is provided with vertical movable plate, in described vertical movable plate one side, be provided with finger cylinder, on described finger cylinder, be provided with the chuck for clamping work pieces, in the other side of described vertical movable plate, be provided with vertical guide groove, on described riser and a side that is positioned at vertical cylinder be provided with vertical guide, described vertical movable plate is matched and is slidably connected with described T-shaped plate by its vertical guide groove and described vertical guide, at described lateral cylinder, on vertical cylinder, be provided with for spacing sensor, described sensor is connected with the electrical control of PLC control cabinet.
6. full-automatic floating tapping machine according to claim 5, it is characterized in that: on the both sides of described panel blanking opening, be provided with track base, between described track base, be provided with guide rail, the base bottom of described floating clamping mechanism mould is provided with the guide groove coordinating with described guide rail, described floating clamping mechanism mould is coordinated and is slidably connected by the guide groove of its base and the guide rail of described track base, the piston that is arranged on the cylinder on described panel is connected with the base of described floating clamping mechanism mould, described floating clamping mechanism mould can move back and forth along described guide rail under the drive of cylinder piston above described panel blanking opening, on described cylinder, be provided with for spacing sensor, described sensor is connected with the electrical control of PLC controller.
7. full-automatic floating tapping machine according to claim 6, it is characterized in that: on described track base, be also provided with adjustable limiting screw rod, on described track base, be provided with screwed hole, described adjustable limiting screw rod, through described screwed hole, is fixed on described track base with nut.
8. full-automatic floating tapping machine according to claim 7, it is characterized in that: on described underframe and be positioned at described panel discharge openings below be also provided with drawing mechanism, described drawing mechanism comprises at the discharging slideway of described panel discharge openings both sides and the dividing plate between the discharging slideway in described both sides.
9. full-automatic floating tapping machine according to claim 8, is characterized in that: in described frame, be also provided with fueling injection equipment, it comprises atomizer and oil pipe.
10. according to a tapping method for the full-automatic floating tapping machine described in any one claim in the claims 1 to 9, it is characterized in that: comprise the following steps:
(1), PLC controller is controlled automatic feeding and workpiece is transported to from described vibrating material feeding device to the described floating clamping mechanism mould that is arranged in the turnover location of workpiece;
(2), the fixture controlled on described floating clamping mechanism mould of PLC controller steps up workpiece, controls described floating clamping mechanism mold movement to the processing work position of the tapping head below of described tapping engine; Meanwhile, control automatic feeding and take out next workpiece from vibrating material feeding device, then enter wait state;
(3), control the downward tapping of described tapping engine, when screw tap touches workpiece downwards, described floating clamping mechanism mould is under the downward contact action of screw tap, by the elastic floating effect of the stage clip that arranges between its base and hollow chuck, automatically the center of circle of workpiece is aimed to the center of circle of screw tap, when finding the center of circle accurately, screw tap continues downward tapping; Complete after tapping, PLC controller is controlled in screw tap reversion and is moved;
(4), after screw tap is removed, PLC controller is controlled described floating clamping mechanism mold movement to the turnover location of workpiece, unclamp the fixture of described floating clamping mechanism mould, the discharge openings that go out material through hole and panel on of workpiece from floating clamping mechanism mould come off naturally, complete this Workpiece tapping process; When unclamping the fixture of described floating clamping mechanism mould, control waiting automatic feeding workpiece is transported in floating clamping mechanism mould;
Wherein, after (4) step completes, forward to and carry out (2) step, until production task completes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310474683.XA CN103521854B (en) | 2013-10-12 | 2013-10-12 | A kind of full-automatic floating tapping machine for combing outstanding tapping and tapping method thereof |
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| CN201310474683.XA CN103521854B (en) | 2013-10-12 | 2013-10-12 | A kind of full-automatic floating tapping machine for combing outstanding tapping and tapping method thereof |
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| CN103521854B CN103521854B (en) | 2015-09-23 |
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| WO2016138672A1 (en) * | 2015-03-05 | 2016-09-09 | 深圳市京田精密科技有限公司 | Tapping machine control system and control method |
| CN106112535A (en) * | 2016-08-19 | 2016-11-16 | 浙江荣亿精密机械有限公司 | A kind of full-automatic nut tapping machine |
| CN107552901A (en) * | 2017-09-28 | 2018-01-09 | 台山市江口电器制造有限公司 | A kind of tooth machining unit automatic feeding |
| CN109175979A (en) * | 2018-09-07 | 2019-01-11 | 青岛杰瑞工控技术有限公司 | A kind of floating assembly system for robotized plant's automation |
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Also Published As
| Publication number | Publication date |
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| CN103521854B (en) | 2015-09-23 |
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