CN204980496U - Pull rolling machine - Google Patents

Abstract

The utility model discloses a pull rolling machine is provided with draw gear, cutting device rolling tension adjusting device and coiling mechanism in the frame, the coiling mechanism include the wind -up roll, the wind -up roll passes through the supporting of third bearing frame and sets up in the frame, the wind -up roll is driven by inverter motor, the rolling is on the wind -up roll after being looped through draw gear, rolling tension adjusting device, cutting device, coiling mechanism by the rolling thing, be provided with the rubber roller between cutting device and coiling mechanism, the rubber roller is passed through the fourth bearing frame and is set up in the frame, from the cutting device output twined the wind -up roll in the coiling mechanism by the rolling thing behind the rear side of the top late arrival rubber roller of rubber roller front side pile warp rubber roller on. The utility model has the advantages that: draw effectually, can guarantee that rolling tension remains stable among the winding process, the fold phenomenon can not appear in the rolling thing, and need not operate the workman and stretch into the cutter below and will be pulled out by the rolling thing, use ten fens safe and reliable.

Description

Traction winder

Technical field

The utility model relate to traction winding device field, particularly relate to a kind of by extrude from plasticator extrudate traction, rolling traction winder.

Background technology

Plastic heating makes it in glutinous stream mode by plastic extrusion function, then make it by the effigurate mouth mould of tool when pressurizeing, final Formation cross-section shape and the similar continuum of Oral incision, and then continuum being fixed to have the extrudate of certain geometrical shape and size by cooling, the extrusion boards such as PP extrusion board common in the market, PVC extrusion board are by plasticator extrusion molding.Traction winder is the Important Auxiliary equipment of plasticator, traction winder conventional at present comprises draw gear, cutter sweep and wrap-up three chief components, by the draw gear in traction winder by extrudate as PP sheet material pulls out equably from the mouth mould of plastic extruders, then by the cutter sweep in traction winder and the extrudate rolling and storage that will export from draw gear of wrap-up.Here preparation being delivered to the extrudate carrying out rolling operation in wrap-up is called by rolling thing, the extrudate of rolling on wind-up roll is called rolling thing, draw gear is passed through successively by rolling thing, cutter sweep, after wrap-up on the wind-up roll of rolling in wrap-up, wind-up roll is driven by variable-frequency motor and rotates, in operational process, the diameter of the rolling thing that wind-up roll reels can become large along with increasing of rolling thing, if the rotating speed of wind-up roll remains unchanged, winding tension in wrapup procedure will be caused also to become large along with increasing of rolling thing, and can winding tension keep the stable quality that will be directly connected to rolling thing in wrapup procedure, also can affect the stability that traction winder runs simultaneously, thus need to ensure that in wrapup procedure, winding tension remains stable, and current traction winder also cannot ensure that in wrapup procedure, winding tension keeps stable well.In addition, from draw gear to easily being occurred buckling phenomena by rolling thing between the wind-up roll of wrap-up, thus cause cannot being smoothly wound on wind-up roll by rolling thing.

Utility model content

The required technical matters solved of the utility model is: provide a kind of and can ensure that winding tension in wrapup procedure keeps stable and rolling thing there will not be the traction winder of buckling phenomena.

For solving the problem, the technical solution adopted in the utility model is: described traction winder, comprise: frame, frame is provided with draw gear, cutter sweep and wrap-up, described wrap-up comprises wind-up roll, wind-up roll is arranged in frame by the 3rd bearing block support, and wind-up roll is driven by variable-frequency motor; Frame is also provided with winding tension control apparatus, and after being passed through draw gear, winding tension control apparatus, cutter sweep, wrap-up successively by rolling thing, rolling is on wind-up roll; Bending rubber is provided with between cutter sweep and wrap-up, bending rubber is arranged in frame by the 4th bearing seat, export from cutter sweep by the wind-up roll that is wound in the rear side of bending rubber behind the top of rolling thing pile warp bending rubber on front side of bending rubber in wrap-up.

Further, aforesaid traction winder, wherein, the structure of described draw gear is: the drive motor being provided with nip rolls group and the action of driving nip rolls group in frame, frame below nip rolls group is provided with strut bar, traction carrying roller is arranged on strut bar by bearings, traction carrying roller can rotate on strut bar, strut bar two ends are articulated with in frame respectively by a connecting panel, the front end of two connecting panels is fixedly connected with strut bar two ends respectively, the rear end of two connecting panels is hinged respectively and is connected in frame, frame is provided with the first actuating device being hinged spot wobble driving traction relative two connecting panels of carrying roller and frame, under the driving of the first actuating device, traction carrying roller can relative two connecting panels and frame be hinged spot wobble extremely by be wound in nip rolls group by rolling thing backing pressure in nip rolls group.

Further, aforesaid traction winder, wherein, the structure of the first described actuating device is: the frame below two connecting panels is respectively arranged with two and drives cylinder, two drive the bottom of cylinder to be hinged respectively in frame, two drive the extension bar top of cylinder to be hinged respectively on two connecting panels, two when driving the extension bar of cylinders protruding, traction carrying roller can the hinge contact of relative two connecting panels and frame be upwards rocked to by be wound in nip rolls group by rolling thing backing pressure in nip rolls group.

Further, aforesaid traction winder, wherein, the structure of described winding tension control apparatus is: in frame, be provided with base, base is fixedly installed at least three pressure sensors, and each pressure sensor is all connected with control circuit, and control circuit is connected with variable-frequency motor, control circuit can receive and process the induced signal the rotating speed of controlled reset variable-frequency motor that each pressure sensor transmits, thus controls the rolling speed of wind-up roll; Dancer is shelved on each pressure sensor by floating bearing bracket; The first pressure roller and the second pressure roller is respectively arranged with in dancer both sides, first pressure roller is arranged in frame by clutch shaft bearing seat, and the first pressure roller is positioned at below the front side of dancer, the second pressure roller is arranged in frame by the second bearing seat, and the second pressure roller is positioned at below the rear side of dancer; From draw gear export by rolling thing rear side to the first pressure roller behind the bottom of front side pile warp first pressure roller of the first pressure roller, then through the rear side of the first pressure roller around to the front side of dancer, to the rear side of dancer behind the top of the then front side pile warp dancer of self-relocation roller, then through the rear side of dancer around to the front side of the second pressure roller, then export to the rear side of the second pressure roller behind the bottom of front side pile warp second pressure roller of the second pressure roller.

Further, aforesaid traction winder, wherein, the first guiding mechanism guiding floating bearing bracket up-and-down movement is provided with between floating bearing bracket and base, the structure of the first described guiding mechanism is: be fixedly installed bottom floating bearing bracket and shelve plate, floating bearing bracket is shelved on each pressure sensor by shelving plate, shelving the first through hole plate being provided with up/down perforation, base below the first through hole is provided with tapped bore, screw with tapped bore after bolt stretches into the first through hole, plate of shelving bottom floating bearing bracket can along bolt up-and-down movement, shelving bottom bolt and floating bearing bracket to be provided with the lockout mechanism preventing from shelving plate and depart from bolt between plate.

Further, aforesaid traction winder, wherein, described lockout mechanism comprises: axle sleeve, axle sleeve interts in the first through hole of being arranged on and shelving on plate, be pressed on base after the bottom of the first through hole is stretched out in the bottom of axle sleeve, the top outer of the first through hole is stretched out at the top of axle sleeve, axle sleeve top is provided with the shaft shoulder, the diameter of the shaft shoulder is greater than the diameter shelving through hole on plate, bolt is arranged with pad, bolt screws with tapped bore through after the through hole on pad and axle sleeve, thus axle sleeve is locked on base, shelving plate can relative axle sleeve up-and-down movement.

Further, aforesaid traction winder, wherein, described cutter sweep comprises: the cutting knife that chopping block, down-bite jaw are arranged and the second actuating device be connected with cutting knife, second actuating device is fixedly installed in frame, cutting knife can under the driving of the second actuating device up-and-down movement, chopping block is fixedly installed in frame and chopping block is positioned at the below of cutting knife, the cutting edge of described cutting knife is serrated cutting edge, chopping block is provided with the cutting knife groove parallel with cutting knife, when cutting knife moves downward under the driving of the second actuating device, serrated cutting edge can extend in cutting knife groove, below the front side of cutting knife be respectively arranged with a depression bar parallel with cutting knife below rear side, and the baseplane of two depression bars is positioned in same level, two depression bars overhang the both sides of cutting knife by least one erecting frame be arranged on cutting knife, erecting frame is provided with the extending arm stretched to both sides, erecting frame two extending arms be respectively arranged with one between corresponding two depression bars and make two depression bars can the elastic telescopic mechanism of relative cutting knife up-and-down movements, cutting knife moves downward and makes two depression bars first will be pressed on chopping block by rolling thing, then cutting knife continues to move downward cutting by rolling thing by relative two depression bars of elastic telescopic mechanism, can make during cutting knife upward movement two depression bars away from unclamp be positioned on chopping block by rolling thing.

Further, aforesaid traction winder, wherein, the structure of described elastic telescopic mechanism is: the second through hole being provided with up/down perforation on extending arm, pipe link is interspersed to be arranged in the second through hole, and pipe link can in the second through hole up-and-down movement, pipe link lower end is connected with depression bar after stretching out the second through hole, pipe link top is provided with the shaft shoulder, the diameter of the shaft shoulder is greater than the aperture of the second through hole, pipe link is arranged with extension spring, the two ends of extension spring are pressed on extending arm bottom surface and depression bar respectively, under the elastic force of extension spring, the shaft shoulder is close on extending arm end face.

Further, aforesaid traction winder, wherein, is also provided with the second guiding mechanism guiding cutting knife up-and-down movement between frame and cutting knife; The structure of the second described guiding mechanism is: in frame, be provided with adapter plate, vertically be provided with guide bush on a mounting board, pilot bar intert is arranged in guide bush, and pilot bar can in orienting sleeve up-and-down movement, pilot bar lower end is fixedly connected with cutting knife after stretching out guide bush.

Further, aforesaid traction winder, wherein, described wind-up roll is gas expansion shaft.

The beneficial effects of the utility model are: (1) bending rubber by being launched to bending rubber both sides by the middle of bending rubber by rolling thing on pile warp bending rubber, can ensure smoothly to be wound on wind-up roll by rolling thing, thus play wrinkle resistant effect; (2) draw carrying roller can well by by rolling thing backing pressure in nip rolls group, thus make closely to be wound in nip rolls group by rolling thing, ensure the smooth operation of plasticator extrusion, simultaneously for the rolling operation of wrap-up in follow-up traction winder lays the foundation; (3) in traction winder, winding tension control apparatus is set, by shelving the oppressive force that plate oppresses each pressure sensor and can real-time monitor by the winding tension of rolling thing bottom floating bearing bracket, and regulate and control the rotating speed of variable-frequency motor thus, ensure that in wrapup procedure, winding tension keeps stable, thus the stability that the quality of guarantee rolling thing and traction winder run; (4) zig-zag cutting knife cutting by during rolling thing can incomplete cut-off by rolling thing, like this, cut and complete still can be crossed cutting knife under the rolling power effect of wrap-up by rolling thing, so just do not need operator to stretch into below cutting knife and will be pulled out by rolling thing, and use reliably fool proof.

Accompanying drawing explanation

Fig. 1 is the structural representation of traction winder described in the utility model.

Fig. 2 is the structural representation of draw gear in Fig. 1.

Fig. 3 is the sectional structure schematic diagram of the left apparent direction of Fig. 2.

Fig. 4 is that the protruding traction carrying roller that makes of the extension bar of driving cylinder in draw gear is by by the working state schematic representation of rolling thing backing pressure in the bottom of the second nip rolls.

Fig. 5 is the structural representation of winding tension control apparatus.

Fig. 6 is the structural representation of dancer part in Fig. 5.

Fig. 7 is the decomposition texture schematic diagram of dancer part in Fig. 6.

Fig. 8 is the structural representation of cutter sweep in Fig. 1.

Fig. 9 is the structural representation of the left apparent direction of Fig. 8.

Figure 10 is the structural representation of the second guiding mechanism in Fig. 9.

Figure 11 is the connection structure schematic diagram in Fig. 9 between erecting frame and depression bar.

Figure 12 is the structural representation of the left apparent direction of Figure 11.

Detailed description of the invention

Below in conjunction with accompanying drawing and preferred embodiment, technical scheme described in the utility model is described in further detail.

Here preparation is delivered to the extrudate carrying out rolling operation in wrap-up and is called by rolling thing 10, by rolling on wind-up roll 21 extrudate be called rolling thing.As shown in Figure 1, traction winder described in the utility model, comprise: frame 1, frame 1 is provided with draw gear 11, winding tension control apparatus 12, cutter sweep 13 and wrap-up 14, described wrap-up 14 comprises wind-up roll 21, wind-up roll 21 is arranged in frame 1 by the 3rd bearing seat 211 supporting, wind-up roll 21 is driven by variable-frequency motor 22, wind-up roll 21 can adopt gas expansion shaft, wind-up roll 21 described in the present embodiment adopts tile type gas expansion shaft, before rolling, usual meeting is sheathed rolling sleeve on tile type gas expansion shaft, to be wound in rolling sleeve by rolling thing 10, the rolling sleeve being wound with rolling thing can be taken off from tile type gas expansion shaft very like a cork by tile type gas expansion shaft after rolling.After being passed through draw gear 11, winding tension control apparatus 12, cutter sweep 13, wrap-up 14 successively by rolling thing 10, rolling is on wind-up roll 21.Bending rubber 9 is provided with between cutter sweep 13 and wrap-up 14, bending rubber 9 is arranged in frame 1 by the 4th bearing seat 91, on the wind-up roll 21 being wound in wrap-up 14 by rolling thing 10 behind the top of the front side pile warp bending rubber 9 of bending rubber 9 to the rear side of bending rubber 9 exported from cutter sweep 13.Described bending rubber 9 has certain degree of disturbing, when exporting through bending rubber 9 under by the effect of rolling thing 10 in external force, bending rubber 9 can by being launched to bending rubber 9 both sides by the middle of bending rubber 9 by rolling thing 10 on pile warp bending rubber 9, ensure smoothly to be wound on wind-up roll 21 by rolling thing 10, thus play wrinkle resistant effect.

As Fig. 1, shown in Fig. 2 and Fig. 3, the structure of the draw gear 11 described in the present embodiment is: the drive motor 13 being provided with nip rolls group and the action of driving nip rolls group in frame 1, frame 1 below nip rolls group is provided with strut bar 30, traction carrying roller 3 is arranged on strut bar 30 by bearings, traction carrying roller 3 can rotate on strut bar 30, strut bar 30 two ends are articulated with in frame 1 respectively by a connecting panel 15, the front end of two connecting panels 15 is fixedly connected with strut bar 30 two ends respectively, the rear end of two connecting panels 15 is hinged respectively and is connected in frame 1, frame 1 is provided with the first actuating device being hinged spot wobble driving relative two connecting panels 15 of traction carrying roller 3 and frame 1, under the driving of the first actuating device, traction carrying roller 30 can relative two connecting panels 14 and frame 1 be hinged spot wobble to by be wound in nip rolls group by rolling thing 10 backing pressure in nip rolls group.In the present embodiment, the structure of the first described actuating device is: the frame 1 below two connecting panels 15 is respectively arranged with two and drives cylinder 14, two drive the bottom of cylinder 14 to be hinged respectively in frame 1, two drive extension bar 141 top of cylinder 14 to be hinged respectively on two connecting panels 15, as shown in Figure 4, two when driving the extension bar 141 of cylinders 14 protruding, traction carrying roller 3 can relative two connecting panels 15 and the hinge contact of frame 1 be upwards rocked to by be wound in nip rolls group by rolling thing 10 backing pressure in nip rolls group.In the present embodiment, as shown in Figure 2 and Figure 4, described nip rolls group comprises: input nip rolls 33, first nip rolls 31, second nip rolls 32 and output nip rolls 34, first nip rolls 31 are positioned at the top of the second nip rolls 32, input nip rolls 33 are positioned at the front side of the first nip rolls 31 and the second nip rolls 32, export the rear side that nip rolls 34 are positioned at the first nip rolls 31 and the second nip rolls 32, the first nip rolls 31 and the second nip rolls 32 are driven by drive motor 13, extremely inputted the rear side of nip rolls 33 afterwards from the bottom of the front side pile warp input nip rolls 33 of input nip rolls 33 by rolling thing 10, then through inputting the front side of rear side around to the first nip rolls 31 of nip rolls 33, then behind the top of front side pile warp first nip rolls 31 of the first nip rolls 31 to the rear side of the first nip rolls 31, then through the rear side of the first nip rolls 31 around to the front side of the second nip rolls 32, then behind the bottom of front side pile warp second nip rolls 32 of the second nip rolls 32 to the rear side of the second nip rolls 32, then from the rear side of the second nip rolls 32 around to the front side exporting nip rolls 34, then export to the rear side of output nip rolls 34 after the front side pile warp exporting nip rolls 34 exports the top of nip rolls 34, described traction carrying roller 3 is positioned at below the second nip rolls 32, two when driving the extension bar 141 of cylinders 14 protruding, and traction carrying roller 3 can by by the bottom of rolling thing 10 backing pressure at the second nip rolls 32.Traction carrying roller 3 can well by by the bottom of rolling thing 10 backing pressure at the second nip rolls 32, avoids being wound in being occurred by rolling thing 10 bottom second nip rolls 32 to hang down and swing phenomenon, ensures closely to be wound on the second nip rolls 32 by rolling thing 10.

As shown in Fig. 1, Fig. 5, Fig. 6 and Fig. 7, the structure of the winding tension control apparatus 12 described in embodiment is: in frame 1, be provided with base 17, base 17 is fixedly installed at least three pressure sensors 73, be described to be fixedly installed four pressure sensors 73 on base 17 in the present embodiment, each pressure sensor 73 is all connected with control circuit.Control circuit is connected with variable-frequency motor 22, and control circuit can receive and process the induced signal controlled reset variable-frequency motor 22 that each pressure sensor 73 transmits, thus controls the rolling speed of wind-up roll 21.Dancer 62 is shelved on each pressure sensor 73 by floating bearing bracket 621, the first pressure roller 61 and the second pressure roller 63 is respectively arranged with in the both sides, front and back of dancer 62, first pressure roller 61 is arranged in frame 1 by clutch shaft bearing seat 611, and the first pressure roller 611 is positioned at below the front side of dancer 62; Second pressure roller 63 is arranged in frame 1 by the second bearing seat 631, and the second pressure roller 63 is positioned at below the rear side of dancer 62; On rear side of the output nip rolls 34 draw gear 11 export by rolling thing 10 rear side to the first pressure roller 61 behind the bottom of front side pile warp first pressure roller 61 of the first pressure roller 61, then through the rear side of the first pressure roller 61 around to the front side of dancer 62, to the rear side of dancer 62 behind the top of the then front side pile warp dancer 62 of self-relocation roller 62, then through the rear side of dancer 62 around to the front side of the second pressure roller 63, then export to the rear side of the second pressure roller 63 behind the bottom of front side pile warp second pressure roller 63 of the second pressure roller 63.As shown in Figure 6 and Figure 7, the first guiding mechanism guiding floating bearing bracket 621 up-and-down movement is provided with between floating bearing bracket 621 and base 17, the structure of the first described guiding mechanism is: be fixedly installed in the bottom of floating bearing bracket 621 and shelve plate 622, floating bearing bracket 621 is shelved on each pressure sensor 73 by shelving plate 622, shelving the first through hole 623 plate 622 being provided with up/down perforation, base 7 below the first through hole 623 is provided with tapped bore 18, bolt 72 stretches into after the first through hole 623 and tapped bore 18 screws, plate 622 of shelving bottom floating bearing bracket 621 can along bolt 72 up-and-down movement.In the present embodiment, shelving bottom bolt 72 and floating bearing bracket 621 to be provided with the lockout mechanism preventing from shelving plate 622 and depart from bolt 72 between plate 622, described lockout mechanism comprises: axle sleeve 7, axle sleeve 7 interts to be arranged on to be shelved in the first through hole 623 of plate 622, be pressed on base 17 after the bottom of the first through hole 623 is stretched out in the bottom of axle sleeve 7, the top outer of the first through hole 623 is stretched out at the top of axle sleeve 7, the top of axle sleeve 7 is provided with the shaft shoulder 71, the diameter of the shaft shoulder 71 is greater than the diameter shelving the first through hole 623 on plate 622, bolt 72 is arranged with pad 721, bolt 72 screws with the tapped bore 18 on base 17 through after the through hole on pad 721 and axle sleeve 7, thus axle sleeve 7 is locked on base 17, shelving plate 622 can relative axle sleeve 7 up-and-down movement.

As Fig. 8, Fig. 9, Figure 10, shown in Figure 11 and Figure 12, cutter sweep 13 described in the present embodiment, comprise: chopping block 53, the cutting knife 5 that down-bite jaw is arranged and the second actuating device be connected with cutting knife 5, second actuating device is fixedly installed in frame 1, cutting knife 5 can under the driving of the second actuating device up-and-down movement, the cutting edge of described cutting knife 5 is serrated cutting edge 50, chopping block 53 is fixedly installed in frame 1 and chopping block 53 is positioned at the below of cutting knife 5, chopping block 53 is provided with the cutting knife groove 531 parallel with cutting knife 5, when cutting knife 5 moves downward under the driving of the second actuating device, serrated cutting edge 50 can extend in cutting knife groove 531, the second actuating device described in the present embodiment is that two of being fixedly installed in frame 1 drive 8, two, cylinder to drive cylinder 8 to lay respectively at two ends above cutting knife 5, and two drive the extension bar lower end of cylinder 8 to be fixedly connected with the two ends of cutting knife 5 respectively.Below the front side of cutting knife 5 be respectively arranged with a depression bar 52 parallel with cutting knife 5 below rear side, the baseplane of two depression bars 52 is positioned in same level, two depression bars 52 overhang the both sides of cutting knife 5 by least one erecting frame 4 be arranged on cutting knife 5, on cutting knife 5, two erecting frames, 4, two depression bars 52 overhang cutting knife 5 both sides by two erecting frames 4 be arranged on cutting knife 5 are provided with in the present embodiment.In the present embodiment, as shown in figure 12, a draw-in groove be inwardly recessed 42 is provided with bottom each erecting frame 4, cutting knife 5 top can snap in each draw-in groove 42, each erecting frame 4 is fastened on the top of cutting knife 5 by the draw-in groove 42 on it, and being anchored on cutting knife 5 by fastener 43, fastener 43 can adopt the fasteners such as lock bolt.Each erecting frame 4 is provided with the extending arm 41 stretched to both sides, each erecting frame 4 two extending arms 41 be respectively arranged with one between corresponding two depression bars 52 and make two depression bars 52 can the elastic telescopic mechanism of relative cutting knife 5 up-and-down movements, cutting knife 5 moves downward and makes two depression bars 52 first will be pressed on chopping block 53 by rolling thing 10, and then cutting knife 5 continues to move downward cutting by rolling thing 10 by relative two depression bars 52 of elastic telescopic mechanism; Can make during cutting knife 5 upward movement two depression bars 52 away from unclamp be positioned on chopping block 53 by rolling thing 10.In the present embodiment, as Fig. 9, shown in Figure 11 and Figure 12, the structure of described elastic telescopic mechanism is: the second through hole 411 being provided with up/down perforation on extending arm 41, pipe link is interspersed to be arranged in the second through hole 411, and pipe link can in the second through hole 411 up-and-down movement, pipe link lower end is connected with depression bar 52 after stretching out the second through hole 411, pipe link top is provided with the shaft shoulder, the diameter of the shaft shoulder is greater than the aperture of the second through hole 411, pipe link is arranged with extension spring 45, on the bottom surface that the two ends of extension spring 45 are pressed on extending arm 41 respectively and depression bar 52, under the elastic force of extension spring 45, the shaft shoulder is close on the end face of extending arm 41.The pipe link of the band shaft shoulder described in the present embodiment is the second bolt 44, depression bar 52 is provided with the tapped bore matched with the second bolt 44, the lower end of the second bolt 44 is connected with depression bar 52 by jam nut 46 and tapped bore, on the bottom surface that the two ends of extension spring 45 are pressed on extending arm 41 respectively and jam nut 46, under the elastic force of extension spring 45, the second bolt head is close on the end face of extending arm 41.In the present embodiment, as shown in Figure 9 and Figure 10, the second guiding mechanism guiding cutting knife 5 up-and-down movement is also provided with between frame 1 and cutting knife 5, the structure of the second described guiding mechanism is: in frame 1, be provided with adapter plate 80, adapter plate 80 is vertically provided with guide bush 82, pilot bar 81 interts and is arranged in guide bush 82, and pilot bar 81 can in orienting sleeve 82 up-and-down movement, pilot bar 81 lower end is fixedly connected with cutting knife 5 after stretching out guide bush 82.In the present embodiment, above cutting knife 5, two ends are respectively arranged with second guiding mechanism, pilot bar 81 lower end in two the second guiding mechanisms is fixedly connected with the two ends of cutting knife 5 respectively, and the setting of two guiding mechanisms can make cutting knife 5 up-and-down movement more steadily reliable.

During work, after being passed through draw gear 11, winding tension control apparatus 12, cutter sweep 13, wrap-up 14 successively by rolling thing 10, rolling is on wind-up roll 21.Starting variable-frequency motor 22 drives wind-up roll 21 to rotate rolling by rolling thing 10, winding tension increases along with the increasing of rolling thing on wind-up roll 21, now, dancer 62 is by the winding tension moved downward of rolling thing 10, make to shelve plate 622 and oppress each pressure sensor 73, each pressure sensor 73 sends induced signal to control circuit, control circuit receives process induced signal by induced signal controlled reset variable-frequency motor 22, make variable-frequency motor 22 reduce rotating speed, thus the rolling speed of wind-up roll 21 is reduced.Now winding tension can reduce along with the reduction of variable-frequency motor 22 rotating speed, so just by shelving the rotating speed that the oppressive force real-time monitoring variable-frequency motor 22 on each pressure sensor 73 oppressed by plate 622 bottom floating bearing bracket 621, maintain the stable of winding tension, thus nip rolls group is drawn reposefully by rolling thing 10.When on the wind-up roll 21 in wrap-up 14 be near completion by rolling thing 10 volume winding and need to be disconnected by rolling thing 10 time, drive two cylinders 8 that the extension bar of two cylinders 8 is stretched out simultaneously downwards, cutting knife 5 and two depression bars 52 move downward under the driving of two cylinders 8, when two depression bars 52 be tightly pressed on be positioned on chopping block 53 rolling thing 10 is no longer continued to move downward time, two cylinders 8 continue to drive cutting knifes 5 and erecting frame 4 moves downward until serrated cutting edge 50 cuts by rolling thing 10, do not continue to move downward and cutting knife 5 continues in the process moved downward at two depression bars 52, two depression bars 52 and each second bolt 44 are positioned on chopping block 53 is failure to actuate, each erecting frame 4 compression stretching spring 45 also moves downward along the second corresponding bolt 44.Cutting knife 5 with serrated cutting edge 50 moves downward cutting by after rolling thing 10, rolling thing 10 is being left the dotted line shape line of cut do not cut off completely together, then drive two cylinders 8 that the extension bar of two cylinders 8 is inwardly retracted simultaneously, cutting knife 5 and erecting frame 4 upward movement under the driving of two cylinders 8, do not depart from by the process of rolling thing 10 at the serration cutting edge 50 of cutting knife 5, each erecting frame 4 is along the second corresponding bolt 44 upward movement, and two depression bars 52 still will be pressed on chopping block 53 by rolling thing 10 under the elastic force of extension spring 45, when the top that each erecting frame 4 moves up to each erecting frame 4 is pressed on the head of the second corresponding bolt 44 again, each erecting frame 4 of upward movement pulls the second corresponding bolt 44 upward movement, drive two depression bars 52 together upward movement, now the serrated cutting edge 50 of cutting knife 5 has departed from completely by rolling thing 10, so just can prevent from being with race by rolling thing 10 by cutting knife 5.Cutter sweep 13 makes the wind-up roll 21 in wrap-up 14 be rotated further after cutting, be positioned at and can be crossed cutting knife 5 under the effect of rolling power by rolling thing 10 on front side of cutting knife 5, when be positioned on front side of cutting knife 5 crossed cutting knife 5 by rolling thing 10 after, the line of cut do not cut off completely just can disconnect by operator easily and safely, and then can carry out next volume winding operation by being wound in by rolling thing 10 on the wind-up roll after discharging 21.

The utility model has the advantages that: (1) bending rubber 9 by being launched to bending rubber 9 both sides by the middle of bending rubber 9 by rolling thing 10 on pile warp bending rubber 9, can ensure smoothly to be wound on wind-up roll 21 by rolling thing 10, thus play wrinkle resistant effect; (2) draw carrying roller 3 can well by by rolling thing 10 backing pressure in nip rolls group, thus make closely to be wound in nip rolls group by rolling thing 10, ensure the smooth operation of plasticator extrusion, simultaneously for the rolling operation of the wrap-up 14 in follow-up traction winder lays the foundation; (3) in traction winder, winding tension control apparatus 12 is set, by shelving the oppressive force that plate 622 oppresses each pressure sensor 73 and can real-time monitor by the winding tension of rolling thing 10 bottom floating bearing bracket 621, and regulate and control the rotating speed of variable-frequency motor 22 thus, ensure that in wrapup procedure, winding tension keeps stable, thus the stability that the quality of guarantee rolling thing and traction winder run; (4) zig-zag cutting knife 5 cutting by during rolling thing 10 can incomplete cut-off by rolling thing 10, like this, cut and complete still can be crossed cutting knife 5 under the rolling power effect of wrap-up 14 by rolling thing 10, so just do not need operator to stretch into below cutting knife 5 to be pulled out by rolling thing 10, and use reliably fool proof.

Claims (10)

1. draw winder, comprise: frame, frame is provided with draw gear, cutter sweep and wrap-up, it is characterized in that: described wrap-up comprises wind-up roll, wind-up roll is arranged in frame by the 3rd bearing block support, and wind-up roll is driven by variable-frequency motor; Frame is also provided with winding tension control apparatus, and after being passed through draw gear, winding tension control apparatus, cutter sweep, wrap-up successively by rolling thing, rolling is on wind-up roll; Bending rubber is provided with between cutter sweep and wrap-up, bending rubber is arranged in frame by the 4th bearing seat, export from cutter sweep by the wind-up roll that is wound in the rear side of bending rubber behind the top of rolling thing pile warp bending rubber on front side of bending rubber in wrap-up.

2. according to traction winder according to claim 1, it is characterized in that: the structure of described draw gear is: the drive motor being provided with nip rolls group and the action of driving nip rolls group in frame, frame below nip rolls group is provided with strut bar, traction carrying roller is arranged on strut bar by bearings, traction carrying roller can rotate on strut bar, strut bar two ends are articulated with in frame respectively by a connecting panel, the front end of two connecting panels is fixedly connected with strut bar two ends respectively, the rear end of two connecting panels is hinged respectively and is connected in frame, frame is provided with the first actuating device being hinged spot wobble driving traction relative two connecting panels of carrying roller and frame, under the driving of the first actuating device, traction carrying roller can relative two connecting panels and frame be hinged spot wobble extremely by be wound in nip rolls group by rolling thing backing pressure in nip rolls group.

3. according to traction winder according to claim 2, it is characterized in that: the structure of the first described actuating device is: the frame below two connecting panels is respectively arranged with two and drives cylinder, two drive the bottom of cylinder to be hinged respectively in frame, two drive the extension bar top of cylinder to be hinged respectively on two connecting panels, two when driving the extension bar of cylinders protruding, traction carrying roller can the hinge contact of relative two connecting panels and frame be upwards rocked to by be wound in nip rolls group by rolling thing backing pressure in nip rolls group.

4. according to traction winder according to claim 1, it is characterized in that: the structure of described winding tension control apparatus is: in frame, be provided with base, base is fixedly installed at least three pressure sensors, each pressure sensor is all connected with control circuit, control circuit is connected with variable-frequency motor, control circuit can receive and process the induced signal the rotating speed of controlled reset variable-frequency motor that each pressure sensor transmits, thus controls the rolling speed of wind-up roll; Dancer is shelved on each pressure sensor by floating bearing bracket; The first pressure roller and the second pressure roller is respectively arranged with in dancer both sides, first pressure roller is arranged in frame by clutch shaft bearing seat, and the first pressure roller is positioned at below the front side of dancer, the second pressure roller is arranged in frame by the second bearing seat, and the second pressure roller is positioned at below the rear side of dancer; From draw gear export by rolling thing rear side to the first pressure roller behind the bottom of front side pile warp first pressure roller of the first pressure roller, then through the rear side of the first pressure roller around to the front side of dancer, to the rear side of dancer behind the top of the then front side pile warp dancer of self-relocation roller, then through the rear side of dancer around to the front side of the second pressure roller, then export to the rear side of the second pressure roller behind the bottom of front side pile warp second pressure roller of the second pressure roller.

5. according to traction winder according to claim 4, it is characterized in that: between floating bearing bracket and base, be provided with the first guiding mechanism guiding floating bearing bracket up-and-down movement, the structure of the first described guiding mechanism is: be fixedly installed bottom floating bearing bracket and shelve plate, floating bearing bracket is shelved on each pressure sensor by shelving plate, shelving the first through hole plate being provided with up/down perforation, base below the first through hole is provided with tapped bore, screw with tapped bore after bolt stretches into the first through hole, plate of shelving bottom floating bearing bracket can along bolt up-and-down movement, shelving bottom bolt and floating bearing bracket to be provided with the lockout mechanism preventing from shelving plate and depart from bolt between plate.

6. according to traction winder according to claim 5, it is characterized in that: described lockout mechanism comprises: axle sleeve, axle sleeve interts in the first through hole of being arranged on and shelving on plate, be pressed on base after the bottom of the first through hole is stretched out in the bottom of axle sleeve, the top outer of the first through hole is stretched out at the top of axle sleeve, axle sleeve top is provided with the shaft shoulder, the diameter of the shaft shoulder is greater than the diameter shelving through hole on plate, bolt is arranged with pad, bolt screws with tapped bore through after the through hole on pad and axle sleeve, thus axle sleeve is locked on base, shelving plate can relative axle sleeve up-and-down movement.

7. according to claim 1, traction winder described in 2 or 4, it is characterized in that: described cutter sweep comprises: chopping block, the cutting knife that down-bite jaw is arranged and the second actuating device be connected with cutting knife, second actuating device is fixedly installed in frame, cutting knife can under the driving of the second actuating device up-and-down movement, chopping block is fixedly installed in frame and chopping block is positioned at the below of cutting knife, the cutting edge of described cutting knife is serrated cutting edge, chopping block is provided with the cutting knife groove parallel with cutting knife, when cutting knife moves downward under the driving of the second actuating device, serrated cutting edge can extend in cutting knife groove, below the front side of cutting knife be respectively arranged with a depression bar parallel with cutting knife below rear side, and the baseplane of two depression bars is positioned in same level, two depression bars overhang the both sides of cutting knife by least one erecting frame be arranged on cutting knife, erecting frame is provided with the extending arm stretched to both sides, erecting frame two extending arms be respectively arranged with one between corresponding two depression bars and make two depression bars can the elastic telescopic mechanism of relative cutting knife up-and-down movements, cutting knife moves downward and makes two depression bars first will be pressed on chopping block by rolling thing, then cutting knife continues to move downward cutting by rolling thing by relative two depression bars of elastic telescopic mechanism, can make during cutting knife upward movement two depression bars away from unclamp be positioned on chopping block by rolling thing.

8. according to traction winder according to claim 7, it is characterized in that: the structure of described elastic telescopic mechanism is: the second through hole being provided with up/down perforation on extending arm, pipe link is interspersed to be arranged in the second through hole, and pipe link can in the second through hole up-and-down movement, pipe link lower end is connected with depression bar after stretching out the second through hole, pipe link top is provided with the shaft shoulder, the diameter of the shaft shoulder is greater than the aperture of the second through hole, pipe link is arranged with extension spring, the two ends of extension spring are pressed on extending arm bottom surface and depression bar respectively, under the elastic force of extension spring, the shaft shoulder is close on extending arm end face.

9. according to traction winder according to claim 8, it is characterized in that: between frame and cutting knife, be also provided with the second guiding mechanism guiding cutting knife up-and-down movement; The structure of the second described guiding mechanism is: in frame, be provided with adapter plate, vertically be provided with guide bush on a mounting board, pilot bar intert is arranged in guide bush, and pilot bar can in orienting sleeve up-and-down movement, pilot bar lower end is fixedly connected with cutting knife after stretching out guide bush.

10. according to traction winder according to claim 1, it is characterized in that: described wind-up roll is gas expansion shaft.