CN104520196B - Drawing end for modularity Machine for packing steel band - Google Patents

Abstract

For the self-action drawing end of baling press, including: limit the main body in strapping tape path；Driving wheel；The distance of take-up pulley, driving wheel and pinch wheels is fixing.Strapping tape path extends between described take-up pulley and pinch wheels.First connector is operably connected driving wheel and take-up pulley limit the first pivotal arm, and the first pivotal arm can pivot around the pivot center of driving wheel.Second connector is operably connected described take-up pulley and pinch wheels and limit the second pivotal arm, and the second pivotal arm can pivot around the pivot center of pinch wheels and can move along the second pivotal arm so that take-up pulley moves to engage with this pinch wheels and depart from engage with this pinch wheels.Limiting reinforcement angle at described first and second pivotal arms, this reinforcement angle reduces when take-up pulley is moved into and engages with pinch wheels and moves at take-up pulley and increases to when departing from and engage with pinch wheels.

Description

Drawing end for modularity Machine for packing steel band

Background technology

Self-action baling press and the most known goods that is used around of manual type baling press bind band.

Tie up steel band can be used for bind goods such as structural steel elements, pipe, coil of strip, metallic plate etc. be similar to Over-burden or gives a discount for thing, its integrity that otherwise can make plastic banding material and/or intensity.One As, hand-held encircling instrument is positioned on goods and strapping tape is seated in this instrument and is tightened.Subsequently, Sealing is applied to strapping tape to be fixed about the band that goods is tightened.

Sealing can be crimp type, and here, sealed piece is in place and quilt around the lamination of strapping tape material It is crimped onto on strapping tape.Or, it is possible to use the crimpless of the utilization one group of interlocking cuts in strapping tape Type seals.Also or, spot welding can be used to engage strapping tape two ends.Hand-held tool can be full hands Move, or can be motor-driven, such as, driven by hydraulic motor, motor etc..

It is also known that steel band is tied up in welding, but currently only utilizes spot welding and Inert gas welding (i.e. TIG) work Skill completes.In the fabrication process, tie up that steel band is spot welded, butt welding or Inert gas welding be with will supply Band cigarette maintains continuous print manufacture process together.

Typically, tie up steel band and there is coating for preventing rust or erosion from accumulating in strapping tape.In order to Utilize spot-welding technology effectively self welding strapping tape, must first remove coating with by naked metal solder one Rise.The preparation of material and welding are probably time-consuming and are labor intensive work.While it is true, be coated with Paint strapping tape is still spot welded, but cannot remain strength of joint.

Thus, what people needed automatization ties up steel belt welding machine.Meet it is desirable that, such machine Can apply around goods, tighten up and steel band is tied up in sealing-in.More meet it is desirable that, such machine Can be used in conjunction with the steel band of tying up of coating, and do not use crimp type sealing and coating need not be removed. The most more meet it is desirable that, such machine includes that modular member is to allow the quick-replaceable of parts to use up Amount shortens downtime.

Summary of the invention

A kind of self-action drawing end is configured to baling press, and this baling press feeds around goods and ties up steel band Material, tighten up this and tie up band and this is tied up band be packaged on self.

One embodiment of this drawing end includes: limit the main body in strapping tape path therethrough；Limit Make the driving wheel of pivot center；With the take-up pulley limiting pivot center.The pivot center of driving wheel with The distance of the pivot center of take-up pulley is fixing.Described driving wheel and take-up pulley operationally phase mutual connection Close.

Pinch wheels limits pivot center.Strapping tape path extends between described take-up pulley and pinch wheels.

First connector is operably connected described driving wheel and take-up pulley.First connector limits first Pivotal arm.First connector can pivot around the pivot center of driving wheel.Second connector is operably connected Described take-up pulley and pinch wheels also limit the second pivotal arm.Second connector can be around the rotary shaft of pinch wheels Line pivots and can move along the second pivotal arm, so that this take-up pulley moves to engage with this pinch wheels and depart from Engage with this pinch wheels.Reinforcement angle is limited between the first and second pivotal arms.Reinforcement angle is at this Reduce when take-up pulley moves to engage with this pinch wheels.

Second connector can include the long slot bore being positioned at the junction with pinch wheels, to help the second connection Part moves along the second pivotal arm and makes take-up pulley move to pinch wheels to engage and depart to connect with this pinch wheels Close.

Drive mechanism is operably connected to this driving wheel.Described tension drive mechanism and main body can be passed through Dissoluble lock bolt is connected with each other.

In one embodiment, this driving wheel is to drive gear, and this take-up pulley assembly includes installing to being somebody's turn to do The take-up pulley component gear of take-up pulley.This take-up pulley component gear engages to drive this to draw with this driving gear Bearing up pulley.This take-up pulley can include high rubbing surface.

In one embodiment, the first connector is offsettingly installed to this main body with by inclined for this take-up pulley It is placed in and engages with this pinch wheels.This take-up pulley can be mounted to this main body by one-way clutch.This is single This take-up pulley is allowed to rotate on a direction (i.e. tightening up direction) and stop this take-up pulley in phase to clutch Opposite direction (i.e. ribbon supply direction) is upper to be rotated.

In such embodiment, upper rotation forces to make this take-up pulley (i.e. tighten up direction) in a first direction This take-up pulley engages with this pinch wheels, thus reduces reinforcement angle and increase and put on this folder by this take-up pulley Normal force on bearing up pulley.On the contrary, drive and rotate increase on this take-up pulley in the opposite direction (i.e. ribbon supply direction) Reinforcement angle also opens the gap between described take-up pulley and pinch wheels, with allow Strapping Material be supplied to into Enter this machine.

This drawing end can include for determine this take-up pulley when passive movement to engaging with pinch wheels and/or Depart from the low coverage sensor engaged with pinch wheels.Engage with this pinch wheels when detecting that this take-up pulley departs from Time, this low coverage sensor produces signal to this controller to stop the rotation of this driving wheel.

In one embodiment, this self-action tightening system includes: limits therethrough tying up and leads the way The main body in footpath；Limit the driving wheel of pivot center；With the take-up pulley limiting pivot center.Driving wheel The distance of pivot center of pivot center and take-up pulley be fixing, and described driving wheel and take-up pulley Operationally it is bonded with each other.

Pinch wheels limits pivot center and strapping tape path is prolonged between described take-up pulley and pinch wheels Stretch.First connector is operably connected described driving wheel and take-up pulley.First connector limits first Pivotal axis and the first connector can pivot around the pivot center of driving wheel.

Cam is operably mounted into this take-up pulley.This cam is configured to connect with cam-follower Close so that the first pivot axis and this take-up pulley mobile engage with pinch wheels to departing from.

In such embodiment, this take-up pulley can be installed to this main body by one-way clutch.Should One-way clutch allows this take-up pulley to rotate in one direction and stops this take-up pulley to turn in the opposite direction Dynamic.Make this take-up pulley (i.e. tighten up direction) in a first direction on rotation force described take-up pulley and pinch wheels Engage, and drive on this take-up pulley in the opposite direction (i.e. ribbon supply direction) take-up pulley described in rotating opening and Gap between pinch wheels.Low coverage sensor can be used for determining when this take-up pulley is moved into and clamps Wheel engages and/or departs from and engages with pinch wheels.

These and other features and advantages of the present invention are by from combining appending claims in detailed below It is perfectly clear to become in description.

Accompanying drawing explanation

Fig. 1 is the perspective view of the total arrangement illustrating the example modular baling press for tying up steel band.

Fig. 2 is the front view of baling press.

Fig. 3 is the side view of this machine.

Fig. 4 is drawing end or the perspective view tightening up module.

Fig. 5 is the front view of this drawing end.

Fig. 6 is the fragmentary, perspective view of this drawing end, and this is removed up to the drawing end assembly of pinch wheels connector Go to clearly show that.

Fig. 7 is the front view of this drawing end, and now cover plate is removed for clearly showing that.

Fig. 8 is the schematic front view similar to Fig. 5, but cover plate and connecting plate are removed for clearly showing Show.

Fig. 9 is to illustrate that driving wheel is to the perspective view of the take-up pulley component connecting piece (plate) being installed on take-up pulley.

Figure 10 is the schematic diagram of the drawing end worked within the cycle of tightening up.

Figure 11 is the schematic diagram of drawing end, it is shown that drawing end is opened to allow strapping tape to pass.

Figure 12 shows the drawing end and drive mechanism being separated from each other.

Figure 12 A is (three-dimensional) view before the drawing end substituted.

Figure 13 is the front view of machine, it is shown that forward (FWD) head, drawing end and sealing joint.

Figure 14 is the perspective view of the forward (FWD) head, sealing joint and the drawing end that are mounted to machine.

Figure 15 is the perspective view of forward (FWD) limiting mechanism.

Figure 16 is office's sectional view of forward (FWD) limiting mechanism.

Figure 17 is the perspective view of sealing joint.

Figure 18 is office's sectional view of sealing joint, it is shown that end pawl.

Figure 19 a and Figure 19 b is an innings sectional view, it is shown that pawl folder/sickle reciprocating mechanism.

Figure 20 a-20e is the different views of pawl folder/sickle reciprocating mechanism.

Figure 21 is the perspective view maintaining static part of sickle anvil block.

Figure 22 a and Figure 22 b is perspective view and the side view of pawl folder.

Figure 23 is to illustrate ring pawl and the sectional view of ring pawl carrier.

Figure 24 is the sectional view of sealing joint, it is shown that for the cam drive mechanism of sealing joint.

Figure 25 a-25d is the different views of ring pawl and carrier.

Figure 26 a and 26b is perspective view and the side view of ring pawl pincers.

Figure 27 is the sectional view of ring pawl carrier, it is shown that tilt wedge surface.

Figure 28 illustrates ring pawl and interval pincers.

Figure 29 is the sectional view of interval pincers.

Figure 30 is proximate to the sectional view of pawl folder/sickle reciprocating mechanism, it is shown that for pawl folder side electricity The electric conductor of pole.

Figure 31 is another perspective view of the electric conductor for pawl folder lateral electrode.

Figure 32 shows the perspective view of the conductor for ring pawl lateral electrode.

Figure 33 shows the sharp separation part of conductor and conductor.

Figure 34 shows the sharp separation component in frame.

Figure 35 is the perspective view of strapping tape straightener.

Figure 36 is another perspective view of strapping tape straightener.

Figure 37 is the front view of strapping tape straightener.

Figure 38 is the side view of strapping tape straightener.

Detailed description of the invention

Although this device allows various forms of embodiment, but is considered as device herein understanding of Example and in the case of being not intended to be confined to shown specific embodiment, accompanying drawing shows and will retouch below State currently preferred embodiments.

See these accompanying drawings, referring particularly to Fig. 1, it is shown that exemplary baling press 10.Baling press 10 Be designed to and tie up steel band S and be used in conjunction, this tie up steel band can be tightened and self welding with formed around The ring of goods.Baling press 10 generally includes frame 12, forward (FWD) head 14, drawing end 16, strapping tape straightening Device 17, sealing joint or plumb joint 18 and tape transport rail groove 20, strapping tape S through described tape transport rail groove around Goods feeds.From ribbon supply source, such as strapping tape allotter (not shown) is sent strapping tape S.Baling press 10 Operation controlled by controller 22.

In short, in typical work process, strapping tape S is taken out from allotter by forward (FWD) head 14 Go out and be admitted to machine 10.Forward (FWD) head 14 and is tied through drawing end 16 at forward direction conveying strapping tape S Band straightener 17 and sealing joint 18, send into and feed along tape transport rail groove 20, and returning to sealing joint 18.Then, the reverse start of forward (FWD) head 14 is to pull out strapping tape S to goods from tape transport rail groove 20.

Drawing end 16 be configured to strapping tape around goods in place time tighten up strapping tape S and in sealing-in The tension of strapping tape S is kept when cycle starts.As described below and as depicted in figs. 1 and 2, bundle Band S passes through between drawing end 16 and sealing joint 18 according to crooked route or curved path.As a result, In the cycle of tightening up, tandem array may be caused to distort in strapping tape S.Strapping tape straightener 17 quilt It is configured to resist this distortion straightening this strapping tape S to help conveying this strapping tape S through sealing joint 18 and tape transport rail groove 20.

Along with strapping tape S is tightened around goods, sealing joint 18 works to cut one section from ribbon supply source Are furthered in the two ends of strapping tape by strapping tape S, and by the seam end-to-end of the two ends of strapping tape to be formed Ring.Subsequently, goods can be drawn off from machine 10 and next goods is ready for bundling.

It will be recognized by those skilled in the art, strapping tape two ends are welded with docking mode.Therefore, tie up Band two ends (being cut off) the most do not have any typical coating material.Thus, it is different from known Strapping tape solder technology, it is not necessary to before welding prepare or otherwise process strapping tape end face.

Forward (FWD) head 14 includes drive mechanism 24, follower 26 and idle pulley or pinch wheels 28.As above institute Stating, forward (FWD) head 14 operates to feed in machine 10 by strapping tape S in forward direction, phase negative side Upwards pull out strapping tape S to goods from tape transport rail groove 20, subsequently, tighten up any lax tying up Band S.

Shown forward (FWD) head 14 is in place away from drawing end 16 and sealing joint 18.This collocation form allows Outside forward (FWD) head 14 is seated in any housing 30 being generally used for drawing end 16 and/or sealing joint 18 and It is seated on or near the frame 12 of supporting machine 10 parts.It allows also to forward (FWD) head 14 and is located in Such height (such as height near the ground), i.e. this highly allow to provide easy access to forward (FWD) head 14 so as to safeguard, Repair.

Seeing Fig. 4-9, drawing end 16 is automatic type and includes electric section 32 and independent (mechanical) Tighten up section 34.Electrically section 32 includes the as directed motor of drive mechanism 36, sensor 38 Deng.Unique mechanical parts is coupled to tighten up the output shaft 40 of section 34.Electrically section and tighten up section 32,34 spring-loaded lock bolt 42 or similar fastener system is utilized to connect.This installation or connection cloth Put allow easily separated electric section and tighten up section 32,34 so as to safeguard, repairing etc..

Tighten up the strapping tape path (totally illustrating at 44) that section 34 includes that strapping tape S moves through. Tighten up section 34 and include driving wheel 46, take-up pulley assembly 48 and pinch wheels 50.Cover plate 51 is closed and is tightened up Section 34.Driving wheel 46 is such as operably connected to drive mechanism by motor output shaft 40 36.In the present embodiment, driving wheel 46 be drive gear rotating clockwise tighten up strapping tape (as See Figure 10).Take-up pulley assembly 48 includes take-up pulley 52, and this take-up pulley has in the present embodiment Rubbing surface 54.Rubbing surface 54 can be roughened surface such as diamond shaped surface, is used for ensureing within the cycle of tightening up Produce big frictional force.

Take-up pulley assembly 48 includes gear 56, this gear with drive gear 46 engage with by power from driving Mechanism 36 is delivered to take-up pulley assembly 48.Take-up pulley 52 and gear 56 are interfixed installation also can quilt It is installed to a common axle 58.In this way, power is passed to tension from drive mechanism 36 Wheel 52.Take-up pulley 52 and gear 56 are installed on axle 58 by one-way clutch 60, this unidirectional from Clutch permission as described below take-up pulley 52 is tightening up rotation (counterclockwise) on direction, but stops and reversely turn Dynamic.

Gear 46 and take-up pulley assembly 48 is driven to be mounted together by the first connector 62, first Connector can be constituted with the form of the plate as shown in 63 or carrier.First connector 62 limits first Pivotal arm A62, it extends past the axis of take-up pulley assembly 48 from the axis driving gear 46.

Pinch wheels 50 is installed on axle 64 and sets to contact take-up pulley with driving gear 46 opposed 52.Within the cycle of tightening up, strapping tape S is booked between take-up pulley 52 and pinch wheels 50 and provides Strapping tape S contacts and tightens up the surface of strapping tape S.

Take-up pulley assembly axle 58 and clamping wheel shaft 64 are mutually installed together by the second connector 66. Second connector 66 has long slot bore 68, and long slot bore accommodates clamping wheel shaft 64 at this, and this long slot bore allows Take-up pulley 52 moves to contact with pinch wheels 50 and depart from contact with pinch wheels 50.Second connector 66 Limiting the second pivotal arm A66, it forms an angle [alpha] i.e. reinforcement angle relative to the first pivotal arm A62 Degree.

Driving wheel 46 (gear) and pinch wheels 50 are fixing on the direction transverse to its respective pivot center , but take-up pulley assembly 48 (axle 58) is being to float on the direction of its pivot center.Pass through This mode, as shown in FIG. 10 and 11, reinforcement angle [alpha] is according to " floating " of take-up pulley assembly 48 And change.Take-up pulley 52 is biased into and contacts with pinch wheels 50 by spring 70.

When working within the cycle of tightening up as shown in Figure 10, drive mechanism 36 works, and it makes driving gear 46 rotate, and this driving gear engages with take-up pulley component gear 56 again.As shown in Figure 10, drive mechanism 36 then rotate clockwise with driving gear 46, and this makes take-up pulley 52 rotate counterclockwise.Along with strapping tape S is located between take-up pulley 52 and pinch wheels 50, and strapping tape S is strained as indicated by arrow 72 to the left.

Along with take-up pulley 52 catches strapping tape S (between take-up pulley 52 and pinch wheels 50), take-up pulley 52 rotate counterclockwise, but this take-up pulley will tend to up time to driving wheel connector (the first connector 62) Pin rotates, and therefore take-up pulley 52 will attempt slowly close to pinch wheels 50.This is because take-up pulley assembly 48 Floating mount, the first connector 62 floating mount and to pinch wheels connector (the second connector 66) Long slot bore in take-up pulley assembly.When the first connector 62 rotates clockwise, reinforcement angle [alpha] subtracts Little, this increases take-up pulley 52 and acts on the normal force (with the pressure applied by it) of pinch wheels 50, then Strengthen the clamping to the strapping tape S being booked.

As shown in figure 11, when because drive mechanism 36 and drive gear 46 to rotate counterclockwise and at forward (FWD) During the start of direction, the one-way clutch 60 being installed on axle 58 by take-up pulley assembly 48 prevents take-up pulley 52 rotate.The power driving gear 46 to be applied causes the second connector 66 to overcome power (its general of spring 70 Take-up pulley 52 is offset to contact with pinch wheels 50) rotate counterclockwise.Due to pinch wheels connector ( A connection piece 62) take-up pulley in elongated slot 68, take-up pulley 52 move or rotate disengaging with pinch wheels 50 Contact and Zhang Qiyong in make within the forward (FWD) cycle strapping tape S between pinch wheels and take-up pulley 50,52 from By one gap moved forward or space (substantially illustrating 74).It is positioned at the low coverage sensing of drawing end 16 When device 71 (see Figure 12) detection take-up pulley 52 (installing to the first connector 62) is rotated away from pinch wheels 50 And stop drive mechanism 36 to continue to drive this driving gear 46.Connector 62 (with take-up pulley 52) is at forward (FWD) It is held in place in cycle.

Figure 12 A shows the alternate embodiments of drawing end 16'.In this embodiment, drawing end The internals of 16' and drive member and the phase in the embodiment of the drawing end 16 shown in Fig. 6-12 With.But replacing connector 66, in alternate embodiment 16', cam 67' installs to axle 58', cam Follower 69' installs to cover plate 5 to help take-up pulley 52' and the pivoting action of the first connector 62'.

See Fig. 2 and Figure 35-38, strapping tape straightener 17 be positioned at drawing end 16 and sealing joint 18 it Between.Strapping tape straightener 17 be configured to straightening strapping tape S with resist because such as tighten up the cycle and can Any tandem array distortion that can cause in strapping tape.As seen from Fig. 1 and Fig. 2, drawing Take the lead the path between 16 and sealing joint 18 be bending, by strapping tape from the water from forward (FWD) head 14 Level road footpath is re-arranged to the vertical path at sealing joint 18 and tape transport rail groove 20.As a result, tightening up In cycle, tensile stress on strapping tape endogenous cause of ill crooked route and strapping tape S and cause tandem array to turn round Bent.The distortion of this tandem array may cause mistake supply strapping tape and strapping tape to block.

Strapping tape straightener 17 is arranged for by the side contrary with caused tandem array distortion Be bent upwards this tie up bring resistance tandem array distortion.Strapping tape straightener 17 includes main body 194, defeated Enter the straightening part 200 of guide 196, export orientation part 198 and activity.In this collocation form, defeated Entering guide 196 and include a pair interval roller 202a, 202b, equally, export orientation part 198 includes one To interval roller 204a and 204b.Roller 202a, 202b and 204a of each component 196,198, The mutual spacing of 204b is fixing and is fixing relative to main body 194.Roller axis A202 and A204 is fixing, thus is solid through each axis to plane P202 of A202 and A204 and P204 Fixed, this plane P202 and P204 are fixed relative to one another motionless.

Movable straightening part 200 also includes paired roller 206a, 206b.Roller 206a, 206b pacify Being contained on carrier 208, this carrier can move relative to input and export orientation part 196,198.At this In collocation form, carrier 208 can be relative to input and export orientation part as shown in double-headed arrow 200 196,198 rotate.In this way, through the axis of movable part roller 206a, 206b to A206 Plane P206 can move relative to fixture roller plane P202 and P204.

In order to realize motion or the pivot of carrier 208, carrier 208 includes the short axle 212 stretched out from it. Hinge connector 214 is installed on short axle 212, thus rotates or pivot this hinge connector 214 and make Carrier 208 and and then the straightening part 200 of activity rotate.Hinge connector 214 can include multiple tooth 216, these teeth can engage, with driving gear 218, the described hinge connector 214 that moves.Drive gear 218 can drive or by manual actuation by driven-mechanism.The as directed shoulder bolt of securing member 220 example can quilt For movable part 200 is fixed to desired locations.

As shown in figures 13-16, forward (FWD) limiting mechanism 74 is positioned on strapping tape path, substantially at tape transport rail Groove 20 end, in order to receive this front end when strapping tape S front end is admitted to sealing joint 18.Forward (FWD) limits Mechanism 74 can be in place near strapping tape straightener 17.Forward (FWD) limiting mechanism 74 includes drive mechanism 76, driving wheel 78, biasing carrier 80 and roller 82 and sensor 84.In the present embodiment, drive Driving wheel 78 has fluting edge or V-arrangement edge or groove 86, and roller 82 is opposed with groove 86 just Position.V-shaped groove 86 and roller 82 limit the strapping tape path being totally illustrated at 88.Roller 82 Being mounted to bias carrier 80, roller 82 is biased towards taking turns 78 by this biasing carrier.The biasing of carrier 80 Such as can be by spring 90.Strapping tape path 88 has predetermined width W88, its carrier 80 (with Roller 82) it is slightly less than strapping tape S width when being in initial position.Or, although not shown, this forward (FWD) Limiting mechanism can also include the driving wheel with one-way clutch supporting, replaces driving motor.

In the present embodiment, sensor 84 is positioned near carrier 80, thus carrier 80 is pivoted into With depart from and the contacting of sensor 84 (make electrical contact with, electrical contact and/or Mechanical Contact).As strapping tape S When entering strapping tape path 88, strapping tape is mobile and contact roller 82 in groove 86, and this roller makes again load Frame 80 is rotated away from sensor 84.In one embodiment, sensor 84 is low coverage sensor.

As shown in Figure 35-38, strapping tape backhaul sensor 84' can be seated in strapping tape straightener 17 In main body 194.In this collocation form, when strapping tape S returns to sealing joint 18, strapping tape S Contact is operably mounted the limit markers 222 to sensor contact 224, and it moves to sensing contact Device 84'.Limit markers 222 is biased in strapping tape path by spring 226.Strapping tape sensor 84' And this collocation form of parts can be used to replace the pivot carrier 80 of the embodiment of Figure 15-16.

Will be described in further detail as following, forward (FWD) limiting mechanism 74 provides many functions.First, inspection is worked as Measure strapping tape S when having been enter into strapping tape path 88, sensor 84 provide signals to controller 22 and/ Or forward (FWD) head 14 is to show that strapping tape S is just being back to sealing joint 18.Secondly, forward (FWD) limiting mechanism drives Mechanism 76 and wheel 78 provide sufficiently large motoricity to be forced with guarantee strapping tape S front end on strapping tape S Enter sealing joint 18 and by the most in place so that sealing joint 18 operates.

Figure 17-34 illustrates sealing joint 18.Sealing joint 18 plays following effect within the whole sealing-in cycle, Receive strapping tape S when it is through sealing joint 18 and entrance tape transport rail groove 20, receive strapping tape S front end And return from tape transport rail groove 20, catch or catch the two ends of strapping tape S, go out to tie up from the disjunction of ribbon supply source Band is to form ring end, and uses the form of end-to-end welding or sealing-in to be welded together at strapping tape two ends. People will be from understanding herein and as it has been described above, welding is automatically to perform, now strapping tape S is in It is welded end-on-end around the goods state of tightening up rather than stacked welding.For realizing end-to-end welding, make For the part in sealing-in cycle, sealing joint 18 makes the cut-out two ends of strapping tape close when performing welding.

Sealing joint 18 limits overall strapping tape path as shown in 92 therethrough.Many assembly edges Strapping tape path 92 comes into line.Cam that is that be positioned at sealing joint 18 and that be cam-driven mechanism 93 driving 94 include various nose of cam, and this nose of cam coordinates with the cam-follower in sealing joint 18 so that institute State component movement through its respective cycle, as will be described below.

Seeing Figure 18, end pawl is positioned at the import 98 of sealing joint 18.This end pawl includes limiting strapping tape A pair pincers 100 of the upper guiding mechanism 102 in path 92.End pawl pincers 100 are at pincers 100 receiving strapping tape S Open position and pincers 100 are fallen and strapping tape S front end is booked between pincers 100 and anvil block 102 Move between make position.Anvil block 102 is as between the open and the closed positions with end pawl pincers 100 A part for the connector 104 of motion is formed.

End pawl pincers 100 and anvil block 102 (with anvil block connector 104) pass through double action cam 106 in institute Stating and move between open position and make position, this double action cam has pair of cams follower 108a、108b.The first cam-follower 108a on connector 104 is by anvil block 102 and end pawl pincers Move to make position, at the second cam-follower 108b of opposite side of connector 104 by anvil block 102 move to open position with end pawl pincers 100.

Pincers 100 are around the as directed pivot pin of pivot fitting 110.Linking arm 112 is from anvil block connector 104 extend to clamp 100 so that pincers 100 pivot.When anvil block connector 104 move up (follow cam with Moving part 108a) so that anvil block 102 moves when strapping tape path 92, linking arm 112 makes end pawl pincers 100 Bottom be outwards turned out, this makes again the grip portions 114 of pincers 100 be turned inwards on strapping tape S. On the contrary, when cam 94 is rotated further and opposed cam-follower 108b contacts connector 104, It moves down anvil block connector 104 (and then anvil block 102) and makes pincers 100 pivot to open end pawl.

Pawl folder/sickle reciprocating mechanism 116 is near end pawl, and it includes pawl folder 118 and sickle 120.Figure 19-20 totally illustrates reciprocating mechanism, and Fig. 2 illustrates sickle fixed part or anvil block 122, Figure 22 a and 22b illustrates pawl folder 118.Reciprocating mechanism 116 can be transported transverse to strapping tape path 92 It is dynamic, so that sickle 120 moves into cuts off strapping tape S in strapping tape path 92 (from the cut-out of ribbon supply source With formed circle end) and make within welding interval pawl folder 118 move in place.This reciprocating mechanism 116 has There are three lateral attitudes being positioned on strapping tape path 92: off-position (Figure 19 a), welding position (is schemed Initial position 19b) and between off-position and welding position or centre position.Reciprocating mechanism 116 include that the as directed screw drive mechanism of drive mechanism 126 is to perform transverse movement.

Sickle 120 includes fixed sickle anvil block 122 and movable blade 128, activity Blade moves between initial position or withdrawing position and off-position, this blade in off-position 128 (upwards) shifted to anvil block 122 to cut off strapping tape S.Blade 128 is by joining with the cam 94 rotated The cam-follower 130 closed is actuated to shift to strapping tape path 92.By the as directed spring of biasing member 132 (see Figure 20 c) make blade 128 return to initial position.

Pawl folder 118 is fixedly installed to reciprocating mechanism 116, and pawl folder anvil block 134 is at initial position and folder Move between tight position to pawl folder 118 to catch bundle in welding interval between pawl folder 118 and anvil block 134 Band S.Anvil block 134 is arranged on reciprocating mechanism 116 by spring 136 with being biased towards withdrawing position In.Anvil block 134 includes that conductive surface or electrode thereon 138 are for conducting electric current within welding interval.

Pawl folder 118 as best shown in Figure 22 a and 22b includes bottom 140, and it passes through securing member 142 (see Figure 20 d and 20e) are installed on reciprocating mechanism 116, also include extending across to tie up leading the way The folder portion 144 of the overhanging in footpath 92.Pawl folder 118 is for being fastened to anvil block by strapping tape S within welding interval On 134.As best shown in Figure 22 b, pawl folder 118 is constructed having contact surface 146, this contact surface Slightly biased in a relaxed state or tilted (as shown in angle, θ) to anvil block 134.People in the art Member is it will be appreciated that must apply sizable power to guarantee strapping tape S to pawl folder 118 within welding interval And the maximum contact between electrode 138.Therefore, preferably by the biggest pawl folder 118 surfaces district are positioned on strapping tape S.Assuming that such part (especially overhang part) will be along with executing Being added to the increase of the pressure of projecting end 146 and bend, this end 146 is biased at free end 148 or slightly It is tilted towards electrode 138 (anvil block 134).Which ensure that pawl folder 118 is in contact when projecting end 148 bends Keep straight in the case of strapping tape S.

End stop 150 is formed as a part for reciprocating mechanism 116.End stop 150 with Reciprocating mechanism 116 transverse movement and include stop surface 152, the front end of strapping tape S is returned at it (after passing across tape transport rail groove 20), this stop surface is contacted when backing towards sealing joint 18.

Ring pawl 154 is near stop surface 152.The strapping tape that ring pawl 154 cuts from ribbon supply source for clamping End (ring end), and within welding interval, this circle end is moved to strapping tape front end and conductor surface or electricity are provided Pole 156 is used for performing strapping tape welding.Ring pawl 154 is arranged on carrier 158 and includes a pair ring pawl Pincers 160, this ring pawl pincers also limit the upper guiding mechanism in strapping tape path 92.Ring pawl pincers 160 are being tied up The open position moving through sealing joint 18 with S moves to contacting strapping tape and reclining with ring pawl pincers 160 Anvil is made to move between 162 make positions clamping strapping tape S.Ring pawl pincers 160 can be equipped with many teeth Strapping tape S is clamped on anvil block 162 by 161.Ring pawl anvil block 162 is as a part for carrier 158 Forming and include electrode 156, strapping tape S is clamped on this electrode to pass within welding interval Electrical conduction current.Ring pawl 154 includes connector 164, and it is along with ring pawl pincers 160 are in open position and Guan Bi position Move between putting.

Ring pawl carrier 158 including ring pawl pincers 160 and anvil block 162 (with ring ZHUANLIAN fitting 164) passes through double Moving between the open and the closed positions to actuating cam 166, this double action cam has a pair Cam-follower 168a, 168b.The first cam-follower 168a on ring ZHUANLIAN fitting 164 is by anvil Seat 162 and ring pawl pincers 160 move to make position, at the second cam of the opposite side of connector 164 Anvil block 162 and ring pawl are clamped 160 and move to open position by follower 168b.

Ring pawl pincers 160 rotate around the as directed trunnion of pivot fitting 170.Linking arm 172 connects from anvil block Part 164 extends to these pincers 160 so that described pincers 160 rotate.(follow when moving on anvil block connector 164 Cam-follower 168a) so that anvil block 162 shifts to strapping tape path 92 time, linking arm 172 makes pincers 160 Bottom be turned out, this makes again the top of pincers 160 inwardly rotate strapping tape S is clamped in anvil block On 162.On the contrary, it is rotated further when cam 166 and opposed cam-follower 168b contacts connector When 164, it anvil block connector 164 (and then anvil block 162) is moved down and mobile link arm 172 with Ring pawl pincers 160 are made to open.

In order to perform the close in opposite directions motion at strapping tape two ends, ring pawl carrier 158 is along longitudinally i.e. tying up Belt path 92 side move upward.Thus, carrier 158 includes inclined plane or wedge surface 174, its with by cam The start wedge 176 of 94 operations coordinates.When start wedge surface 176 is moved into contact with carrier wedge surface 174, Carrier 158 is forced toward end pawl, in order to make the circle end of strapping tape S shift to this front end as will be described in detail below So as sealing-in.Start wedge 176 is also configured to have double action cam 178 to provide and engaging position Put the forward passive exercise between separation point position, thus actively drive between jaw positions and welding position This ring pawl carrier 158 dynamic.

A pair interval pincers 180 is near ring pawl pincers 160, as shown in Figure 24 and 29.Interval pincers 180 exist For the guiding function of strapping tape of looping when strapping tape crosses sealing joint 18.Therefore, interval pincers 180 do not have There is dropping place on strapping tape S, but clamp between anvil block 162 at pincers 180 in the close position and ring pawl Limit a gap 182.Interval pincers 180 have and clamp 160 similar pivot configuration forms to ring pawl. Interval pincers 180 rotate around the as directed trunnion of pivot fitting 184.Linking arm 186 is from cam-follower Jacking part 188 on 190 extends so that these pincers 180 rotate.When on jacking part 188 move (follow cam with Moving part 190) when (but being introduced into) strapping tape path 92, linking arm 186 makes the bottom of pincers 180 outside Rotating, this makes again described pincers 180 inwardly pivot to strapping tape path 92.

In order to be welded together at strapping tape two ends as mentioned above, it is provided with two electrodes 138,156.One Electrode 138 is arranged on pawl folder anvil block 134, and another electrode 156 is arranged on ring pawl anvil block 162. Electrode 156 and sealing joint 18 structure electrical isolation, thus only electrode 156 carries electric current (conduction warp Cross).Thus, on ring pawl electrode 156 by insulating part 302,304,306,308,310, 312,314,316 and 318 electrical isolation is produced.

In order to strengthen sealing joint 18 and the modular capability of machine 10, with sealing joint electrode 138,156 Connect and be typically quick-action connection type.In such arrangement form, this sealing joint has two Electric contact 320,322.They are made up to reduce resistance and surface area requirements of high conductance material as far as possible. They are the most in place, i.e. when sealing joint 18 is arranged on machine 10, and they touch with the biasing coordinated Point 324,326 fits.Contact 324,326 can be biased by spring 328 as shown in the figure.Contact 324,326 it is connected to welding transformer 330 by diverter 332 and cable 334.Electric contact 320 leads to Cross cable 338 and be connected to ring pawl anvil block 162.Electric contact 322 is connected to pawl by cable 336 and presss from both sides 118。

At work, strapping tape S front end is entered forward (FWD) head 14 from allotter and is sent by forward (FWD) head 14 To drawing end 16.Transition guide 192 extends to sealing joint 18 from drawing end 16 and provides from drawstring 16 to the arc for strapping tape S of sealing joint 18 or the guiding of arch.

When the front end of strapping tape S is admitted to sealing joint 18, end pawl pincers 100 are opened, sickle Reciprocating mechanism 116 is in an intermediate position or initial position, and ring pawl pincers 160 are opened and are spaced Pincers 160 are opened.End pawl anvil block and ring pawl anvil block 102,162 are in its withdrawing position.

Strapping tape S front end is through sealing joint 18 and passes across tape transport rail groove 20, forward (FWD) limiting mechanism 74 also Return to sealing joint 18.The front end of strapping tape S is detected by forward (FWD) limiting mechanism sensor 74, should Forward (FWD) limiting mechanism sensor sends signal (by controller 22), and to feed the 14 expression forward (FWD) cycles of taking the lead fast Terminate.Forward (FWD) limiting mechanism drive mechanism 76 is activated (or it is previously possible and operates) tying Band front end compels to move in sealing joint 18.This front end is blocked by stop surface 152, and end pawl pincers 100 are front Close on end, be spaced the pincers 180 ring portion (but not tightening thereon) closed above at strapping tape S to be formed Guiding for ring portion.

Subsequently, forward (FWD) head 14 in winding cycle reverse operation with from tape transport rail groove 20 extract out strapping tape S is on goods.Once strapping tape S is detected on goods (such as by stopping in the opposite direction Forward (FWD) head drive mechanism 24), drawing end 16 works to strain strapping tape S.When reaching desired tension During power, drawing end 16 tightens up with holding strapping tape S according to braking mode work.Ring pawl pincers 160 are in bundle On band S, Guan Bi is to catch strapping tape S and drawing end drive mechanism 36 to close.Interval pincers 180 with After open.

Pawl folder/sickle reciprocating mechanism 116 moves to off-position and bundle of looping from initial position Band is cut off, and leaves small-gap suture (such as from about 1/2mm) between strapping tape front end and cut-out circle end.Tie up Band S is now ready for welding, and reciprocating mechanism 116 moves to welding position.Pawl presss from both sides 124 slide at binding ring end and move strapping tape S is clamped in pawl folder on pawl folder anvil block 134 118 and pawl folder anvil block 134 on electrode 138 between.

Welding transformer is connected and wedge 176 starts upper shifting to engage (on carrier 158) wedge surface 174 and make ring pawl carrier 158 vertically move to end pawl and strapping tape front end.Longitudinal direction for substantially half Motion, carrier 158 slowly moves and strapping tape S is heated.For substantially second half longitudinal direction fortune Dynamic, transformator cuts out, and heated binding ring cuts off end and is moved rapidly into this front end with by strapping tape two End seam is together.The whole motion of this ring pawl carrier was passed by about 6mm within about 2 second cycle.It is welded on Terminate at the end of the motion of ring pawl carrier 158.

After welding interval, after a predetermined time, end pawl 102 anvil block moves downward away from end Pawl pincers 100, and hold pawl pincers 100 to open, pawl folder anvil block 134 returns to withdrawing position and (passes through spring , and pawl folder/sickle reciprocating mechanism 116 returns to initial position 136).Ring pawl anvil block 162 Move downward away from ring pawl pincers 160, and ring pawl pincers 160 are opened, and remove or take out from baling press Bale cargo.Subsequently, this machine prepare with later tie up the cycle.

It will be recognized by those skilled in the art, relative directional terminology is the most upper and lower, forward and backward etc. only Be exemplary purpose rather than want limit this context.

All patents mentioned in this article are hereby cited to be included in herein, regardless of whether special in word herein Mention.

In this article, word " " or " one " are considered to comprise odd number and plural number.Otherwise, appoint What mentions complex item will comprise odd number in the appropriate case.

It is to note that can be in the true spirit of the novel conception without departing from the present invention from above content Realize many in the case of conjunction scope to change and change.It should be understood that and be not intended to or should not infer And know the limitation relevant to shown specific embodiment.Herein intend contain all such fall in right Change in the range of claim.

Claims (32)

1. a self-action drawing end for baling press, described baling press is tied up for feeding around goods Steel band, tighten up described in tie up steel band and described steel band of tying up be packaged on self, described drawing end Including:

Main body, described main body limits strapping tape path therethrough；

Limit the driving wheel of pivot center；

Limiting the take-up pulley of pivot center, the pivot center of described driving wheel turns with described take-up pulley The distance of moving axis line is fixing, and described driving wheel and described take-up pulley are operationally bonded with each other；

Limiting the pinch wheels of pivot center, described strapping tape path is in described take-up pulley and described clamping Extend between wheel；

Be operably connected the first connector of described driving wheel and described take-up pulley, and described first connects Part limits the first pivotal arm, and described first connector can be around the pivot axis of described driving wheel Turn；With

Second connector of described take-up pulley and the described pinch wheels of being operably connected, described second connects Part limits the second pivotal arm, and described second connector can pivot around the pivot center of described pinch wheels, institute State the second connector to move along described second pivotal arm so that described take-up pulley moves to and described pinch wheels Engaging and depart from and engage with described pinch wheels, described first pivotal arm and described second pivotal arm are described the Reinforcement angle is limited between one pivotal arm and described second pivotal arm,

Wherein, when described take-up pulley is moved into and engages with described pinch wheels, described reinforcement angle subtracts Little, when opening clearance between described take-up pulley and described pinch wheels, described reinforcement angle increases.

Drawing end the most according to claim 1, wherein, described second connector includes being positioned at The long slot bore of the junction of two connectors and described pinch wheels.

Drawing end the most according to claim 1, described drawing end includes drive mechanism, described in drive Motivation structure may be operably coupled to described driving wheel.

Drawing end the most according to claim 3, wherein, described drive mechanism and described main body are led to Cross dissoluble lock bolt to be connected with each other.

Drawing end the most according to claim 1, wherein, described driving wheel is to drive gear.

Drawing end the most according to claim 5, described drawing end includes take-up pulley assembly, described Take-up pulley assembly includes installing the take-up pulley component gear to described take-up pulley, described take-up pulley component gear Engage with described driving gear to drive described take-up pulley.

Drawing end the most according to claim 1, wherein, described take-up pulley includes high rubbing surface.

Drawing end the most according to claim 1, wherein, described first connector is offsettingly pacified Install to described main body to be biased to described take-up pulley engage with described pinch wheels.

Drawing end the most according to claim 1, wherein, described take-up pulley by first unidirectional from Clutch is installed to described main body, and described one-way clutch allows described take-up pulley to rotate in a first direction also Described take-up pulley is stoped to rotate in the opposite direction.

Drawing end the most according to claim 9, wherein, makes described take-up pulley described first Side be rotated up forcing described take-up pulley to engage with described pinch wheels, thus reduce reinforcement angle and increase by Described take-up pulley puts on the normal force in described pinch wheels, and drives described take-up pulley in the opposite direction Upper rotate increase reinforcement angle and between described take-up pulley and described pinch wheels opening clearance.

11. drawing ends according to claim 1, described drawing end includes drawing described in determining When bearing up pulley is moved into engages and/or departs from the low coverage biography engaged with described pinch wheels with described pinch wheels Sensor.

12. drawing ends according to claim 11, wherein, when detecting that described take-up pulley departs from When engaging with described pinch wheels, described low coverage sensor produces signal to controller to stop described driving wheel Rotate.

The self-action drawing end of 13. 1 kinds of baling presses, described baling press is tied up for feeding around goods Steel band, tighten up described in tie up steel band and described steel band of tying up be packaged on self, described drawstring Head includes:

Main body, described main body limits strapping tape path therethrough；

Limit the driving wheel of pivot center；

Limiting the take-up pulley of pivot center, the pivot center of described driving wheel turns with described take-up pulley The distance of moving axis line is fixing, and described driving wheel and described take-up pulley are operationally bonded with each other；

Limiting the pinch wheels of pivot center, described strapping tape path is in described take-up pulley and described clamping Extend between wheel；

Be operably connected the first connector of described driving wheel and described take-up pulley, and described first connects Part limits the first pivotal axis, and described first connector can pivot around the pivot center of described driving wheel；With

Be operatively mounted to the cam of described take-up pulley, described cam be configured to cam with Moving part engage so that the first pivot axis and make described take-up pulley move to depart from connect with described pinch wheels Close,

Wherein, make described take-up pulley rotate in a first direction and force described take-up pulley and described pinch wheels Engage, and drive described take-up pulley rotate in the opposite direction described take-up pulley and described pinch wheels it Between opening clearance.

14. drawing ends according to claim 13, wherein, described take-up pulley passes through one-way clutch Device is installed to described main body, and described one-way clutch allows described take-up pulley rotate in a first direction and hinder Only described take-up pulley rotates in the opposite direction.

15. drawing ends according to claim 13, described drawing end includes drawing described in determining When bearing up pulley is moved into engages and/or departs from the low coverage biography engaged with described pinch wheels with described pinch wheels Sensor.

16. 1 kinds of self-action drawing ends for baling press, described baling press is for feeding around goods Tie up steel band, tighten up described in tie up steel band and described steel band of tying up be packaged on self, described in draw Take the lead to include:

Main body, described main body limits strapping tape path therethrough；

Limit the driving wheel of pivot center；

Limiting the take-up pulley of pivot center, the pivot center of described driving wheel turns with described take-up pulley The distance of moving axis line is fixing, and described driving wheel and described take-up pulley are operationally bonded with each other；

Limiting the pinch wheels of pivot center, described strapping tape path is in described take-up pulley and described clamping Extend between wheel；

Be operably connected the first connector of described driving wheel and described take-up pulley, and described first connects Part limits the first pivotal arm, and described first connector can be around the pivot axis of described driving wheel Turn；With

Second connector of described take-up pulley and the described pinch wheels of being operably connected, described second connects Part limits the second pivotal arm, and described second connector can pivot around the pivot center of described pinch wheels, institute State the second connector to move along described second pivotal arm so that described take-up pulley moves to and described pinch wheels Engage and depart from and engage with described pinch wheels, limit between described first pivotal arm and described second pivotal arm Make reinforcement angle.

17. drawing ends according to claim 16, wherein, when described take-up pulley be moved into When described pinch wheels engages, described reinforcement angle reduces.

18. drawing ends according to claim 17, wherein, described second connector includes being positioned at The long slot bore of the junction of the second connector and described pinch wheels.

19. drawing ends according to claim 16, described drawing end includes drive mechanism, described Drive mechanism may be operably coupled to described driving wheel.

20. drawing ends according to claim 19, wherein, described drive mechanism and described main body It is connected with each other by dissoluble lock bolt.

21. drawing ends according to claim 16, wherein, described driving wheel is to drive gear.

22. drawing ends according to claim 21, described drawing end includes take-up pulley assembly, institute State take-up pulley assembly to include the take-up pulley component gear to described take-up pulley, described take-up pulley assembly tooth are installed Wheel engages to drive described take-up pulley with described driving gear.

23. drawing ends according to claim 16, wherein, described take-up pulley includes high friction Face.

24. drawing ends according to claim 16, wherein, described first connector is by offsettingly It is installed to described main body to be biased to described take-up pulley engage with described pinch wheels.

25. drawing ends according to claim 16, wherein, described take-up pulley passes through one-way clutch Device is installed to described main body, and described one-way clutch allows described take-up pulley rotate in a first direction and hinder Only described take-up pulley rotates in the opposite direction.

26. drawing ends according to claim 25, wherein, make described take-up pulley described first Side be rotated up forcing described take-up pulley to engage with described pinch wheels, thus reduce reinforcement angle and increase by Described take-up pulley puts on the normal force in described pinch wheels, and drives described take-up pulley in the opposite direction Upper rotate increase reinforcement angle and between described take-up pulley and described pinch wheels opening clearance.

27. drawing ends according to claim 16, described drawing end includes drawing described in determining When bearing up pulley is moved into engages and/or departs from the low coverage biography engaged with described pinch wheels with described pinch wheels Sensor.

28. drawing ends according to claim 27, wherein, when detecting that described take-up pulley departs from When engaging with described pinch wheels, described low coverage sensor produces signal to controller to stop described driving wheel Rotate.

29. 1 kinds of self-action drawing ends for baling press, described baling press is for feeding around goods Tie up steel band, tighten up described in tie up steel band and described steel band of tying up be packaged on self, described Drawing end includes:

Main body, described main body limits strapping tape path therethrough；

Limit the driving wheel of pivot center；

Limiting the take-up pulley of pivot center, the pivot center of described driving wheel turns with described take-up pulley The distance of moving axis line is fixing, and described driving wheel and described take-up pulley are operationally bonded with each other；

Limiting the pinch wheels of pivot center, described strapping tape path is in described take-up pulley and described clamping Extend between wheel；

Be operably connected the first connector of described driving wheel and described take-up pulley, and described first connects Part limits the first pivotal axis, and described first connector can pivot around the pivot center of described driving wheel；With

Be operatively mounted to the cam of described take-up pulley, described cam be configured to cam with Moving part engage so that the first pivot axis and make described take-up pulley move to depart from connect with described pinch wheels Close.

30. drawing ends according to claim 29, wherein, described take-up pulley passes through one-way clutch Device is installed to described main body, and described one-way clutch allows described take-up pulley rotate in a first direction and hinder Only described take-up pulley rotates in the opposite direction.

31. drawing ends according to claim 30, wherein, make described take-up pulley described first Side is rotated up forcing described take-up pulley to engage with described pinch wheels, and drives described take-up pulley on the contrary Side is rotated up opening clearance between described take-up pulley and described pinch wheels.

32. drawing ends according to claim 29, described drawing end includes drawing described in determining When bearing up pulley is moved into engages and/or departs from the low coverage biography engaged with described pinch wheels with described pinch wheels Sensor.