Automatic pipe cutting and chamfering device
Technical field
The present invention relates to a kind of field of machining, specifically is a kind of tubing processing unit (plant).
Background technology
At publication number is in the patent of CN2673592, disclose a kind of tubing cutting beveler, it is characterized in that chamfering device and cutting machine on same frame, translation mechanism is fixed on the tubing fixed mount, translation mechanism is made of gear and tooth bar cooperation, and gear is connected with hand wheel.Drive translation mechanism by the rack-and-pinion transmission and move, can carry out chamfering to an end of tubing after making the tubing cutting.
At publication number is in the patent of CN201361786, discloses cutting of a kind of tubing and chamfering special equipment, it is characterized in that the horizontal end face of frame is provided with two groups of orthogonal guide rails, i.e. A set of rails and B set of rails, and the B set of rails is positioned at a side of A set of rails.The guide rail of B set of rails is provided with clamping workpiece mechanism.The guide rail of A set of rails is provided with cutting and facing attachment, and the A set of rails is connected with rack-mounted screw mandrel, realizes that by lead screw transmission the relative position of cutting and facing attachment and work piece changes, and then an end of tubing is realized cutting and chamfering.
In sum, in the prior art, the one, existing pipe cutting machine is to the cutting and the chamfering separate machined of tubing, or can not carry out two chamfers simultaneously, and the 2nd, manual chamfering speed is slow, efficient is low, and chamfering is inhomogeneous.The 3rd, the rack-and-pinion transmission is adopted in feeding, and efficient is low, and wearing and tearing need compensation, need add locking device; Or adopt lead screw transmission to realize feeding, and the load of leading screw can not be too big, the manufacturing process complexity, and cost is higher.The 4th, when carrying out the cutting of tubing and chamfering, all need move cutting and facing attachment at every turn, easily reduce the machining accuracy of equipment.
Summary of the invention
For overcome exist in the prior art or to the cutting and the chamfering separate machined of tubing, perhaps can not carry out two chamfers simultaneously, perhaps complex process, cost are higher, and perhaps low the and uneven deficiency of chamfering of efficient the invention provides a kind of automatic pipe cutting and chamfering device.
The present invention includes frame, straightening mechanism, handwheel slipping mechanism, handwheel, cutting mechanism, delivery device and chamfer mechanism.Straightening mechanism, handwheel slipping mechanism, handwheel and cutting mechanism are installed on the frame successively, and delivery device is positioned at cutting mechanism one end, and the center line of the tubing clamping slot on the binding clasp in the delivery device overlaps with the center of the tubing that places cutting mechanism; Chamfer mechanism is positioned at cutting mechanism one side, be parallel to each other between the cutting mechanism with delivery device between mutually vertical.
Delivery device comprises binding clasp, conduit saddle, propelling movement cylinder locking nut, pushes cylinder, a pair of propelling movement guide rod, support fixation seat, propelling movement guide rod stopper ring and pushes the guide rod retainer nut.The two ends of two propelling movement guide rods are fixedly connected on the top of support fixation seat respectively.Binding clasp is between two support fixation seats, and the connecting plate at binding clasp two ends cooperates with the propelling movement guide rod by linear bearing.Push cylinder and be positioned at a support fixation seat outer side center place, and be fixedly connected on the connecting plate by pushing the cylinder locking nut.The axis that pushes cylinder and two propelling movement guide rods is positioned at same horizontal plane.Conduit saddle be positioned at binding clasp under, and be fixed on the frame.Binding clasp pushes guide rod in the effect lower edge that pushes cylinder and moves; Push the center line and the central lines that clamps cylinder of cylinder.
Chamfer mechanism comprises chamfering cylinder, chamfering cylinder locking nut, two guide rails, slide block, chamfering cylinder connecting plate, transition connecting plate, chamfering motor mobile pallet, chamfering motor, shaft coupling, four shaft gears, four chamfering devices and chamfering cylinder holder.One end of each shaft gear all is connected with the chamfering motor output shaft by shaft coupling, and the other end of shaft gear all is connected with chamfering device; Be meshing with each other between four shaft gears.Two guide rails are fixed on the both sides of frame upper surface.Chamfering cylinder connecting plate and transition connecting plate are installed on two guide rails by slide block.Fixedly connected with transition connecting plate with chamfering cylinder connecting plate respectively in chamfering motor mobile pallet two ends; The chamfering motor is fixed on the chamfering motor mobile pallet.The chamfering cylinder is fixedly connected on the chamfering cylinder connecting plate by chamfering cylinder locking nut, and is fixed on the frame by chamfering cylinder holder.
Described binding clasp comprises clamp, clamps cylinder, clamping head, support base plate, connecting plate, clamp slippage guide rod, linear bearing, wear-resisting copper sheathing, clamp slippage guide rod stopper ring and clamp slippage guide rod retainer nut.Clamp and clamping cylinder all are positioned at the middle part of supporting plate upper surface, and the central lines of clamp and clamping cylinder; The cylinder rod that clamps cylinder is fixed on clamp one end end face middle part; The clamping plate of clamp passes the through slot that supports on the base plate.The vertical panel of clamping head passes the through slot that supports on the base plate, cooperates with the clamping plate of clamp respectively, and makes the tubing clamping slot on the vertical panel of tubing clamping slot on the clamping plate that lays respectively at clamp and clamping head involutory; The level board of clamping head is fixed on the upper surface that supports base plate.Two connecting plates are separately fixed at the two ends of supporting base plate.Two clamp slippage guide rods are installed in the clamp slippage guide rod installing hole that is positioned on the clamp and wear-resisting copper sheathing is housed respectively.The two ends of clamp slippage guide rod are fixedly connected on respectively on two connecting plates by clamp slippage guide rod stopper ring and clamp slippage guide rod retainer nut.The endoporus of linear bearing is passed at the two ends that push guide rod, and is installed in the installing hole on the support fixation seat by pushing the guide rod stopper ring and pushing the guide rod retainer nut.
Described conduit saddle comprises conduit saddle track base, two conduit saddle guide rails, two conduit saddle slide blocks, conduit saddle base supports plate and two conduit saddle pedestals; Two conduit saddle pedestals are fixed on the upper surface of conduit saddle base supports plate two side; Conduit saddle base supports plate is fixedlyed connected with the conduit saddle slide block, and the conduit saddle guide rail is fixed on conduit saddle track base upper surface both sides, and the conduit saddle guide rail is parallel with tubing; Be slidingly connected between conduit saddle guide rail and the conduit saddle slide block.
Have a loss of weight groove at described clamp upper surface center, have the fixing hole of the clamping cylinder of perforation at the cell wall center of this loss of weight groove one end, have the installing hole of clamp slippage guide rod in the bilateral symmetry of this clamping cylinder fixing hole; The center line that clamps the cylinder fixing hole is parallel with the center line of clamp slippage guide rod installing hole; At uniform four clamping plates in the lower surface of clamp middle part, and vertical mutually between each clamping plate and the clamp; Each clamping plate one distolateral surface has level to run through the semicircular tubing clamping slot on this surface.
There is level to run through the semicircular tubing clamping slot on this surface on the vertical panel one distolateral surface of clamping head, after the tubing clamping slot on the clamp and the tubing clamping slot on the clamping head are involutory, tubing can be clamped.
Support base plate center one side and have the groove that connects the support base plate, be used to pass the clamping plate of clamp and the vertical panel of clamping head.
Upper surface width at the conduit saddle pedestal equidistantly has four semi-circular groove, is used to place tubing; There is connecting hole the both sides of the upper surface of conduit saddle pedestal, are used for fixedlying connected conduit saddle pedestal and conduit saddle base supports plate.
The present invention has increased chamfer mechanism on existing cutting machine, tubing after cutting, directly by chamfer mechanism with its chamfering, automaticity and working (machining) efficiency height.
Binding clasp moves at the effect lower edge clamp slippage guide rod that clamps cylinder, tubing can be clamped with clamping head.Delivery device can push to predetermined chamfer machining position with tubing under the effect that pushes cylinder.
Chamfer mechanism is symmetrically distributed, and the direction that can be parallel to tubing in the effect lower edge of two chamfering cylinders moves to adapt to the chamfering of different length tubing; And can carry out two chamfers of tubing simultaneously; By gear drive, the chamfering motor can drive four chamfering devices, can carry out the chamfering of four tubing simultaneously.
The present invention adopts Pneumatic Transmission, and speed is fast, the efficient height.
In sum, the invention has the advantages that simple in structure, directly chamfering, automaticity and working (machining) efficiency height after the tubing cutting.
Description of drawings
Accompanying drawing 1 is a general structure schematic diagram of the present invention
Accompanying drawing 2 is delivery device front views
Accompanying drawing 3 is front views of binding clasp
Accompanying drawing 4 is vertical views of binding clasp
Accompanying drawing 5 is right views of binding clasp
Accompanying drawing 6 is front views of clamp
Accompanying drawing 7 is A-A cutaway views of clamp
Accompanying drawing 8 is the front views that support base plate
Accompanying drawing 9 is front views of conduit saddle
Accompanying drawing 10 is vertical views of conduit saddle
Accompanying drawing 11 is front views of chamfer mechanism
Accompanying drawing 12 is vertical views of chamfer mechanism
Accompanying drawing 13 is left views of chamfer mechanism.Wherein:
1. frame 2. straightening mechanisms 3. handwheel slipping mechanisms 4. handwheels 5. cutting mechanisms
6. clamp 7. clamps cylinder 8. clamping heads 9. and supports base plate 10. conduit saddles
11. connecting plate 12. clamp slippage guide rods 13. linear bearings 14. wear-resisting copper sheathings
15. clamp slippage guide rod stopper ring 16. clamp slippage guide rod retainer nuts 17. push the cylinder locking nut
Push guide rod 20. support fixation seats 21. propelling movement guide rod stopper rings 18. push cylinder 19.
22. push guide rod retainer nut 23. conduit saddle track bases 24. conduit saddle guide rails 25. conduit saddle slide blocks
26. conduit saddle base supports plate 27. conduit saddle pedestals 28. chamfering cylinders 29. chamfering cylinder locking nuts
30. guide rail 31. slide blocks 32. chamfering cylinder connecting plates 33. transition connecting plate 34. chamfering motor mobile pallets
35. chamfering motor 36. shaft couplings 37. end rings 38. bearing blocks 39. shaft gears
40. chamfering device 41. chamfering cylinder holders 42. tubing
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in detail
As shown in Figure 1, a kind of tubing automation cutting facing attachment comprises frame 1, straightening mechanism 2, handwheel slipping mechanism 3, handwheel 4, cutting mechanism 5, delivery device and chamfer mechanism.Wherein straightening mechanism 2, handwheel slipping mechanism 3, handwheel 4 and cutting mechanism 5 all adopt prior art, are installed in successively on the frame 1; Delivery device is positioned at cutting mechanism 5 one ends, and the center line of the tubing clamping slot on the binding clasp in the delivery device and the central lines that places the tubing 42 of cutting mechanism 5.Chamfer mechanism is positioned at cutting mechanism 5 one sides, be parallel to each other between the cutting mechanism 5 with delivery device between mutually vertical.
As shown in Figure 2, delivery device comprises binding clasp, conduit saddle 10, propelling movement cylinder locking nut 17, pushes cylinder 18, a pair of propelling movement guide rod 19, support fixation seat 20, pushes guide rod stopper ring 21 and push guide rod retainer nut 22.The two ends of two propelling movement guide rods 19 are fixedly connected on the top of support fixation seat 20 respectively.Binding clasp is between two support fixation seats 20; The connecting plate 11 at binding clasp two ends cooperates with propelling movement guide rod 19 by linear bearing 13.Push cylinder 18 and be positioned at a support fixation seat 20 outer side center places, and be fixedly connected on the connecting plate 11 by pushing cylinder locking nut 17.The axis that pushes cylinder 18 and two propelling movement guide rods 19 is positioned at same horizontal plane.Conduit saddle 10 be positioned at binding clasp under, and be fixed on the frame 1.Binding clasp pushes guide rod 19 in the effect lower edge that pushes cylinder 18 and moves.Push the center line and the central lines that clamps cylinder 7 of cylinder 18.
Shown in Fig. 3,4,5, binding clasp comprises clamp 6, clamping cylinder 7, clamping head 8, supports base plate 9, connecting plate 11, clamp slippage guide rod 12, linear bearing 13, wear-resisting copper sheathing 14, clamp slippage guide rod stopper ring 15 and clamp slippage guide rod retainer nut 16.
Shown in Fig. 6,7, clamp 6 is a rectangular-shaped piece.Have a loss of weight groove at clamp 6 upper surface centers, have the fixing hole of the clamping cylinder 7 of perforation at the cell wall center of this loss of weight groove one end, have the installing hole of clamp slippage guide rod 12 in the bilateral symmetry of this clamping cylinder fixing hole; The center line that clamps cylinder 7 fixing holes is parallel with the center line of clamp slippage guide rod 12 installing holes.At uniform four rectangular blocks that structure is identical in the lower surface middle part of clamp 6, formed the clamping plate of clamp 6 respectively; Vertical mutually between each clamping plate and the clamp 6.Each clamping plate one distolateral surface has level to run through the semicircular tubing clamping slot on this surface.The installing hole of ring clamp slippage guide rod 12 is evenly equipped with four screwed holes, is used for fixedlying connected of clamp 6 and wear-resisting copper sheathing 14.
Clamping head 8 has four, is T shape plate.The level board of clamping head 8 is used for and supports fixedlying connected of base plate 9; The vertical panel of clamping head 8 cooperates with the clamping plate of clamp 6, there is level to run through the semicircular tubing clamping slot on this surface on this vertical panel one distolateral surface, after the tubing clamping slot on the clamp 6 and the tubing clamping slot on the clamping head 8 are involutory, tubing 42 can be clamped.Four tapped through holes of clamping head 8 level board upper surfaces symmetrical distribution are used for clamping head 8 and support fixedlying connected of base plate 9.
As shown in Figure 8, supporting base plate 9 is the wide thick rectangular plates such as grade in narrow two ends, a centre.Support base plate center one side and have the rectangular channel that connects the support base plate, be used to pass the clamping plate of clamp 6 bottoms and the vertical panel of clamping head 8, groove width equates with the width of clamping head 8 vertical panels, and is slightly larger than the bottom rectangular block width of clamp 6.Uniform 16 tapped through holes along the both sides of rectangular channel length direction are used to support fixedlying connected of base plate 9 and four clamping heads 8.Support base plate 9 upper surface both sides and respectively have four through holes, be used to support fixedlying connected of base plate 9 and two connecting plates 11.
Connecting plate 11 has two, is the rectangle plate.Linear bearing 13 installing holes that pair of parallel is arranged on the top of two connecting plates 11; The installing hole that the clamp slippage guide rod 12 of pair of parallel is arranged in the bottom of two connecting plates 11.Between linear bearing 13 installing holes of a connecting plate 11, the via hole of the cylinder rod that pushes cylinder 18 is arranged therein.
Clamp slippage guide rod 12 and propelling movement guide rod 19 are circular rod member.
Support fixation seat 20 has two, is the rectangle plate.The installing hole that the propelling movement guide rod 19 of pair of parallel is arranged on support fixation seat 20 tops.Between propelling movement guide rod 19 installing holes of a support fixation seat 20, the via hole of the cylinder rod that pushes cylinder 18 is arranged therein.
During assembling, clamp 6 and clamping cylinder 7 all are positioned at the middle part of supporting base plate 9 upper surfaces, and the central lines of clamp 6 and clamping cylinder 7; The cylinder rod that clamps cylinder 7 is fixed on clamp 6 one end end faces middle part; The clamping plate of clamp 6 passes the through slot that supports on the base plate 9.The vertical panel of clamping head 8 passes the through slot that supports on the base plate 9, and the clamping plate with clamp 6 cooperates respectively, and makes the tubing clamping slot on the vertical panel of tubing clamping slot on the clamping plate that lays respectively at clamp 6 and clamping head 8 involutory; The level board of clamping head 8 is fixed on the upper surface that supports base plate 9.Two connecting plates 11 are separately fixed at the two ends of supporting base plate 9; Two clamp slippage guide rods 12 are installed in the clamp slippage guide rod installing hole that is positioned on the clamp 6 and wear-resisting copper sheathing 14 is housed respectively; The two ends of clamp slippage guide rod 12 are fixedly connected on respectively on two connecting plates 11 by clamp slippage guide rod stopper ring 15 and clamp slippage guide rod retainer nut 16.The endoporus of linear bearing 13 is passed at the two ends that push guide rod 19, and by pushing guide rod stopper ring 21 and pushing in the installing hole that guide rod retainer nut 22 is installed on the support fixation seat 20.
Shown in Fig. 9,10, conduit saddle comprises conduit saddle track base 23, two conduit saddle guide rails 24, two conduit saddle slide blocks 25, conduit saddle base supports plate 26 and two conduit saddle pedestals 27.Conduit saddle base supports plate 26 is the U-shaped plate, and the two side is contour wide.Two conduit saddle pedestals 27 such as are at thick rectangular plate, equidistantly have four semi-circular groove at the upper surface width of conduit saddle pedestal 27, are used to place tubing 42; There is connecting hole the both sides of the upper surface of conduit saddle pedestal 27, are used for fixedlying connected conduit saddle pedestal 27 and conduit saddle base supports plate 26.
During assembling, two conduit saddle pedestals 27 are fixed on the upper surface of conduit saddle base supports plate 26 two sides.Conduit saddle base supports plate 26 is fixedlyed connected with conduit saddle slide block 25, and conduit saddle guide rail 24 is fixed on conduit saddle track base 23 upper surface both sides, and conduit saddle guide rail 24 is parallel with tubing 42.Be slidingly connected between conduit saddle guide rail 24 and the conduit saddle slide block 25.
Shown in Figure 11,12,13, chamfer mechanism comprises chamfering cylinder 28, chamfering cylinder locking nut 29, two guide rails 30, slide block 31, chamfering cylinder connecting plate 32, transition connecting plate 33, chamfering motor mobile pallet 34, chamfering motor 35, shaft coupling 36, end ring 37, bearing block 38, four shaft gears 39, four chamfering devices 40 and chamfering cylinder holders 41.
One end of each shaft gear 39 all is connected with chamfering motor 35 output shafts by shaft coupling 36, and the other end of shaft gear 39 all is connected with chamfering device 40; Be meshing with each other between four shaft gears 39, by the transmission of four shaft gears, chamfering motor 35 can drive four chamfering devices 40 simultaneously.
Two guide rails 30 are fixed on the both sides of frame 1 upper surface.Chamfering cylinder connecting plate 32 and transition connecting plate 33 are installed on two guide rails 30 by slide block 31.Fixedly connected with transition connecting plate 33 with chamfering cylinder connecting plate 32 respectively in chamfering motor mobile pallet 34 two ends.Chamfering motor 35 is fixed on the chamfering motor mobile pallet 34.Chamfering cylinder 28 is fixedly connected on the chamfering cylinder connecting plate 32 by chamfering cylinder locking nut 29, and is fixed on the frame 1 by chamfering cylinder holder 41.
Chamfering cylinder connecting plate 32 is the rectangle plate, and at the lower surface middle part of chamfering cylinder connecting plate 32 projection of rectangle is arranged, and has the fixing hole of chamfering cylinder 28 on this projection; The fixing hole of chamfering cylinder 28 is parallel with guide rail 30.Have the fixing hole of four chamfering motor mobile pallets 34 in the middle of the upper surface of chamfering cylinder connecting plate 32, the upper surface two ends of chamfering cylinder connecting plate 32 respectively have the fixing hole of slide block 31.
The course of work of present embodiment is: tubing 42 is through straightening mechanism 2 alignings; The clamp mechanism of cutting mechanism 5 is unclamped, and the clamp mechanism of handwheel slipping mechanism 3 clamps tubing 42, pushes a segment distance of the pipe length of required cutting along tubing 42 axis directions; The clamp mechanism of cutting mechanism 5 clamps tubing 42, and the clamp mechanism of handwheel slipping mechanism 3 is unclamped tubing 42 and returned, and carries out the propelling movement of incising pipes next time; Cutting mechanism 5 incising pipes, cutting finishes, and the clamp mechanism of cutting mechanism 5 is unclamped; Under the promotion that clamps cylinder 7, binding clasp is fixedly clamped tubing 42; Under the promotion that pushes cylinder 18, delivery device pushes to the chamfering station together with binding clasp and tubing 42; Tubing 42 enters chamfering device 40, starts chamfering motor 35, and chamfering device 40 is started working, and chamfering finishes, and closes chamfering motor 35, and tubing 42 withdraws from chamfering device 40; Binding clasp unclamps tubing 42.Conduit saddle 10 wherein supports tubing all the time in process.