JPH0123926Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Objective of the Invention] (Industrial Application Field) The present invention relates to a device for wrapping and bundling a band-like material around objects to be bound that have been transferred to a bundling section.

(Prior Art) A device of this kind that has been provided in the past includes, for example, a bundler in which a pair of endless belts are arranged opposite each other, and objects to be bound are fed between the endless belts arranged in this bundler. An example of such a structure is that the belt-like material is held under clamping pressure, and the band-like material is wound around the object to be bound by the rotation of the bundler. By the way, in order to wind a strip material around an object by the rotation of a bundler, a strip material holding member is required that holds the end of the rolled-out strip material and rotates together with the bundler. Therefore, it is necessary to pull out the band-like material holding member from the band-like material so that the bundle can be discharged from the bundler.

(Problem to be solved by the invention) However, in the past, there was a drive unit for opening and closing the band-shaped material holding member to hold the band-shaped material, and a drive unit for pulling out the band-shaped material holding member from the band-shaped material. are provided separately, and there are also two drive sources, which poses a problem of complicating the device and increasing its size.

The present invention was developed in view of the above circumstances, and aims to simplify the binding section by opening and closing the band-like material holding member and pulling out the band-like material holding member from the band-like material using one drive unit. The purpose is to provide a binding device that can.

[Structure of the invention] (Means for solving the problems) In order to solve the above-mentioned problems, the present invention provides an apparatus for winding and binding a band-like material around objects to be bound that have been transferred to a binding section. A moving member supported to be rotatable along the outer periphery of the body and linearly movable in a direction intersecting the direction of rotation, a pair of clamping members provided on the moving member and clamping the band-shaped material, and the clamping members. a strip material holding member having a locking member for opening and closing; and a strip material holding member that is supported movably in the same direction as the linear movement direction of the moving member and that engages the strip material holding member at a first rotation stop position of the moving member. an engaging member that engages with a stop member to open and close a clamping member of a band-like material holding member and engages with the movable member at a second rotation stop position of the movable member to move the movable member linearly; and a drive section that drives the mating member at a first rotation stop position and a second rotation stop position of the moving member.

(Function) With the above configuration, a single drive unit can perform the opening/closing operation of the holding member that holds the band-like material and the operation of pulling out (separating) the holding member from the band-like material after binding.

(Example) The binding device of the present invention will be described below with reference to the drawings.

Fig. 1 is a front view showing one embodiment of the binding device of the present invention, Fig. 2 is a plan view of the same embodiment, Fig. 3 is a right side view of the same embodiment, and Figs. 4 a and b are windings. 5 is a right side view of the part, a cross-sectional view of the band-shaped material holding member, and a back view of the winding part and the band-shaped material holding member opening/closing pulling drive part,
FIG. 6 is a schematic front view showing the locking means for the member to be bound, and FIG. 7 is a schematic left side view of the drive section for opening/closing the band-shaped material holding member.

The bundling device shown in the drawings is for bundling a stack of paper sheets, for example, a plurality of paper sheets as objects to be bound, and is roughly divided into a transfer section 1 and a bundling section 2.

In FIG. 1, reference numeral 3 denotes a backup board which is moved up and down on which a predetermined number of sheets are stacked by a stacking device (not shown). The transfer section 1 receives a group of paper sheets placed on the backup board 3 and descending, and transfers them to the bundling section 2.

First, the configuration of the transfer section 1 will be explained. In FIGS. 2 and 3, 4A and 4B are side frames, which are erected on a base (not shown). The transfer section 1 is connected to both side frames 4.
A, 4B are provided. That is, a guide rod 6 is attached to the side of the side frame 4A via a bracket 5, and a guide rail 7 is attached to the side frame 4B opposite to the guide rod 6. A bound object transporting member (hereinafter also simply referred to as a carrier) 8 is movably provided on the guide rail 7 and the guide rod 6. This carrier 8 has a guide roller 10 that is rotatably attached to one side of a substantially U-shaped frame 9 that engages with the guide rail, and a clamp that clamps the guide rod 6 on the other side. A side bracket 12 provided with rollers 11 is attached, and this side bracket 12
A first mounting table 13A having a notch is attached to the frame, and second and third mounting tables 13B and 13C are attached to the frame via an intermediate bracket 14 at a predetermined distance from the first mounting table 13A. 9 is maintained and configured. Note that the interval formed between the first mounting table 13A and the second mounting table 13B is wider than the width of the strip material, and the distance between the first mounting table 13A and the second mounting table 13B is larger than the width of the strip material, and the distance between the first mounting table 13A and the second mounting table 13B is larger than the width of the strip material, and the distance between the first mounting table 13A and the second mounting table 13B is larger than the width of the strip material. A positioned gap 13D is formed. Further, each of the mounting tables 13A to 13C of this carrier 8 is nested with the backup plate 3, so that the backup plate 3 is inserted into the mounting tables 13A to 13C as shown in FIG.
It is designed to be able to descend to the bottom of C. Further, in order to move the carrier 8 along the guide rod 6, a bound object transfer member drive section (hereinafter also simply referred to as a carrier driver) 15 is provided. In this case, a motor 18 with a drive sprocket 17A attached is attached to a stay 19, and an idle sprocket 17B is rotatably attached to the side frame 4A.
An endless chain 20 is stretched across both sprockets 17A and 17B. A detection piece 21 and an engagement roller 22 are attached to an arbitrary link (not shown) in the middle of the chain via a link holder 23. Further, a transmission member 2 provided with a notch 24A that fits with this engagement roller 22.
4 is attached to the side bracket 12. The carrier 8 configured in this way can move by following the movement of the chain 20 via the engagement rollers 22 and the transmission member 24, and is able to move to the position indicated by the solid line in FIGS. 1 and 2. (hereinafter referred to as carrier home position) CRHP
It is adapted to receive a group of paper sheets from the backup board 3. Then, at the position indicated by the chain line on the right side (hereinafter referred to as the carrier seal position) shown in FIGS. is moved to the position indicated by the chain line on the left in FIGS. 1 and 2 (hereinafter referred to as the carrier back position) CRBP. Then, one cycle of movement is completed by returning to the carrier home position CRHP.

Note that between the carrier home position CRHP and the carrier back position CRBP, there is a bundle having a shape nested with the mounting tables 13A to 13C provided on the carrier 8, and placed on the carrier 8. Bundle removing means (hereinafter also simply referred to as a scraper) 26 that comes into contact with the bundled sheet group (hereinafter also simply referred to as a bundle) is attached to the base (not shown). While the carrier 8 is moving from the carrier seal position CRSP to the carrier back position CRBP, the movement of the bundle placed on the carrier is restricted by the scraper 26 and falls from the carrier 8.
It is designed to be sent to the next process (not explained) via a chute 27 provided below.
Especially if such a bundle removing means 26 is provided,
The bundle can be reliably removed from the carrier 8 with an extremely simple structure.

Further, the carrier 8 includes mounting tables 13A to 13.
An auxiliary clamp section 29 is provided to prevent the group of paper sheets placed on C from collapsing during movement. The auxiliary clamp section 29 is configured to also function as an alignment means for aligning the group of sheets transferred from the backup plate 3 to the carrier 8 in the longitudinal direction. That is, as shown in FIGS. 2 and 3, one end of a clamp bracket 30 is attached to the frame 9, and a rod 31 is fitted into the other end of the clamp bracket 30.
1, a clamp holder 32 having a substantially U-shaped cross section is rotatably supported. This clamp holder 32
A clamp plate 33 is provided at the upper part of the third figure in the figure so as to be rotatable in the vertical direction via a hinge 32A. A first cam follower 35 is attached to the proximal end of the clamp plate 33 via a stud 34, and a curved alignment rod 3 is attached to the free end.
6 is installed. Note that when the clamp holder 32 is rotated clockwise in FIG.
Both mounting tables 13B and 13 are located between B and 13C.
It is designed not to come into contact with C. A second cam follower 37 is attached to the third lower end of the clamp holder 32 in the figure, and a fixed cam block 38 with which the second cam follower 37 and the first cam follower 35 engage is attached to the side frame 4B. installed on. This fixed cam block 38 is a processed molded product of L-shaped channel material, and the upper surface portion shown in the third figure is attached to the clamp plate 33.
A first cam face 38A for vertical movement,
The third illustrated side surface is configured as a second cam face 38B for horizontal rotation of the clamp holder 32. The clamp holder 32 is biased to rotate clockwise in FIG. 2 by a biasing member (not shown). For this reason, Carrier 8
is between the carrier home position CRHP and the carrier back position CRBP, then
The second cam follower 37 is pushed by the second cam face 38B, and the clamp plate 3
3 takes the position shown by the solid line in FIG. Further, in this state, the first cam follower 35 is located on the first cam face 38A, and the clamp plate 33 is maintained in a substantially horizontal state as shown by the solid line in the third figure. Then, when the carrier 8 is gradually moved to the right in FIG.
38B, the clamp plate 33 is biased by the biasing member (not shown) and gradually rotates clockwise in the top of FIG. 2 and gradually rotates downward in FIG. 3. At this time, the alignment rod 36 comes into contact with the longitudinal side of the paper sheets placed on the placement tables 13A to 13C, and moves the paper sheets onto the back surface 13a of the placement tables 13A to 13C.
It is designed to align by pushing up to ~13c.
Further, after the alignment is completed, the free end portion of the clamp plate 33 presses the upper surface of the aligned sheet group to prevent the sheet group from collapsing during transportation. In particular, since this auxiliary clamp section 29 is equipped with a function as an alignment means, there is no problem even if an error occurs in the stop position of the carrier at the carrier home position CRHP, and moreover, the mounting tables 13A~
Even if the width of the paper sheets to be placed on 13C is different, there is no need to change the position of the carrier home position CRHP and the stacking device (not shown) consisting of the backup board 3, etc. Versatility can be improved. Furthermore, since the sheet group is aligned while the carrier 8 is moving, it is possible to speed up the processing.

Next, the configuration of the binding section 2 will be explained. This bundling part 2 supplies a heat-adhesive tape supply for supplying a band-like material, such as a heat-adhesive tape (in Fig. 1, the bottom surface is the coated surface CF coated with a heat-melt material) MT whose one side is coated with a heat-melt material. a winding unit (hereinafter also simply referred to as a winder) that winds the thermal adhesive tape MT supplied from the feeder 40 around a group of paper sheets transferred by the carrier 8;
41, consists of a main clamp section 42 that presses and compresses and holds the group of paper sheets wound by this winder 41, and a thermal bonding section 43 that thermally welds the thermal adhesive tape MT wound around the group of paper sheets. ing. Note that the winding portion 41 is an example of a folding means for folding back one end of the wound strip material.

The feeder 40 includes both side frames 4A,
4B, and when the carrier 8 moves as shown in FIG. 2, it is located between the first mounting table 13A and the second mounting table 13B. installed to do so. That is, as shown in FIG.
A feeder bracket 46 is attached to the feeder bracket 46, and a pinch roller holder 47 having one end pivotally supported is rotatably disposed on the feeder bracket 46, and a pinch roller 48 is attached to the free end of the pinch roller holder 47. Rotatably supported. Further, a feed roller 49 is attached via a drive shaft 50 at a position in contact with the pinch roller 48 . A biasing member such as a leaf spring 51 is attached to the base end of the pinch roller holder 47, and the free end of this leaf spring 51 is attached to the tip of an adjustment screw 52 rotatably attached to the feeder bracket 46. By inserting and removing this adjusting screw 52, the feed roller 4 is engaged.
The contact pressure of the pinch roller 48 against the pinch roller 9 can be finely adjusted. Also feed roller 4
9 and the pinch roller 48 have a fixed blade 53A.
A movable blade 53B that reciprocates along the fixed blade 53A based on the operation of the cutter rotary solenoid 54 is also provided. Furthermore, a guide plate 55 and a guide roller 56 for guiding the thermal adhesive tape MT are arranged ahead of the double-edged blades 53A, 53B. As shown in FIG. 3, the drive system for the feed roller 49 includes an electromagnetic clutch and brake 57 attached to the middle part of the drive shaft 50 and an idle gear 58 attached to the other end. A feed motor 60 including a drive gear 59 that meshes with the feed motor 60 is arranged and configured. This feed motor 60 is a reversible motor, and after the thermal adhesive tape MT is wound around a group of paper sheets by a winder 41 (described later), the feed motor 60 rotates in the reverse direction and pulls the wound thermal adhesive tape back through the guide roller 56. Things are getting tighter and tighter.

The configuration of the winding portion 41 will be explained. First, as shown in FIG. 2, a bearing block 65 containing a built-in radial bearing (not shown) is attached to the side frame 4A, and a drive shaft 66 is rotatably inserted and held in this bearing block 65. has been done. A stop collar 67 and a stop plate 68 are attached to the base and end of the drive shaft 66 protruding inside the side frame 4A so as to be rotatable together with the drive shaft 66. Between the guide shaft 69 and the drive shaft 66
A narrow guide 70 is formed by being attached in parallel with the guide 70, and a moving member such as a sliding block 71 is slidably fitted into the narrow guide 70. This sliding block 71 is provided with a strip holding member (hereinafter also simply referred to as a catcher) 72 that holds the thermal adhesive tape MT supplied from the feeder 40. A detailed example of this catcher 72 is shown in FIGS. 4 and 5. That is, a first strip-shaped material holding piece (holding member) such as a plate-shaped fixed catcher 72A is screwed to the sliding block 71, and a second strip-shaped material holding piece (sandwiching member) such as a plate-shaped rotary catcher 72B is screwed to the sliding block 71. It is rotatably attached to the sliding block 71,
A rotating hook (locking member) 72C is formed at the base end of the rotating catcher 72B. As shown in FIG. 5 when this catcher 72 is viewed from the back, the fixed catcher 72A and the rotary catcher 72B are arranged to overlap, and the tip of the rotary catcher 72B and the hook portion 7
2C is formed at a predetermined separation angle with the drive shaft 66 as the center. As shown in FIG. 5, a hook lever 73 is formed on the sliding block 71 at a position that is about 90 degrees from the hook portion 72C with the drive shaft 66 as the center, and this hook lever 73 is connected to the catcher 72 and the hook portion 72C. It can rotate around the drive shaft 66 while maintaining the relative positional relationship shown in FIG. 5 with the hook portion 72C. In addition, the contact surface between the fixed catcher 72C and the movable catcher 72B, that is, the heat-adhesive tape holding surface has linear irregularities in a direction perpendicular to the winding direction of the heat-adhesive tape (also the direction in which the heat-adhesive tape is pulled). A portion 72D (see FIG. 4b) is formed. Therefore, when the catcher 72 holding the heat-adhesive tape is rotated, it is possible to completely prevent the heat-adhesive tape from falling off from the catcher 72. Then, the catcher 72 configured in this way is attached to the drive shaft 66.
A belt-like material holding member driving section (hereinafter also simply referred to as a catch driver) 75 is provided to rotate the belt-shaped material holding member together with the belt-shaped material holding member. As shown in FIG. 1, this catcher driver 75 includes a first gear 75 that rotates integrally with a power transmission member such as the idle sprocket 17B that transmits the power of the carrier driver.
A, a second gear 75B that meshes with the first gear 75A, a third gear 75C that rotates integrally with the second gear 75B, and a timing belt 75D from the third gear 75C. A fourth gear 75E, through which rotational force is transmitted, rotates together with the drive shaft 66. In this way, since the catcher driver 75 is driven by the same drive source (motor) 18 as the carrier driver 15, the movement of the carrier 8 and the rotation of the catcher 72 are linked. Become. Therefore, as shown in FIG. 1, the carrier 8 is in the carrier home position.
While moving from CRHP to carrier seal position CRSP, the catcher 72 holding the thermal adhesive tape MT gradually rotates counterclockwise in the first diagram.
Since the paper sheets placed on the carrier 8 are wound gradually, the rotation radius of the catcher 72 can be made smaller than the width of the paper sheets.
Moreover, even if the width of the sheet group differs, there is no need to change the rotation radius of the catcher 72. Therefore, it is possible to reduce the size of the winding portion 41 and improve versatility regarding the width of the sheet group. Further, as described above, the catcher 72 is connected to the sliding block 71.
Since the heat adhesive tape MT held in the catcher 72 is configured to rotate revolving around the drive shaft 66 together with the sliding block 71 without rotating relative to the When it is wound around the sheet group, the thermal adhesive tape MT protruding from the tip of the catcher 72 is folded back with the coated surface CF coated with the heat-melting material on the inside. (hereinafter simply referred to as the folded part), the heat-melting material does not adhere to the sheet set even if this part is heated. For this reason, the heat bonding part 43, which will be described later,
It is configured to heat the heat-adhesive tape MT layered on this folded portion. In particular, since the movement of the carrier and the rotation of the catcher are physically linked by the mechanical structure, it is possible to completely prevent timing differences between the two and interference between the two carriers due to electrical noise. be able to.

Here, the interlocking timing of both will be explained based on FIG. When the carrier 8 is at the carrier home position CRHP, the catcher 72 is at the position shown by the solid line in FIG. The roller 22 takes the position RHP shown by the solid line in FIG. 1 (hereinafter simply referred to as the roller home position). Also, the carrier 8 has a carrier seal position CRSP.
When the engagement roller 22 reaches the position indicated by the chain line on the idle sprocket 17B (hereinafter also simply referred to as the roller through-out position)
Take RTOP. When the engagement roller 22 reaches the first reverse position 1stRP, the catcher 72 assumes the position CTSP shown by the chain line in FIG. 1 (hereinafter simply referred to as the catch seal position). Note that when the engagement roller 22 moves between the roller through-out position RTOP and the first reverse position 1stRP, the engagement roller 22 separates from the transmission member 24, so only the catcher 72 overruns. That will happen. Then, the motor 18 is reversed to move the engagement roller 22 to the second reverse position 2ndRP, and here the motor 18 is reversed again to move the engagement roller 22 to the roller home position.
By being moved to RHP, the carrier 8 returns to the carrier home position CRHP. As shown in FIG. 5, the position of the movable member (sliding block) 71 when the catcher 72 is at the catcher home position CTHP is the first rotational stop position 1stSP, and Tsuchiya seal position
The position of the moving member 71 when it is at CTSP is the second rotation stop position 2ndSP.

In order to reliably maintain such interlocking timing, a carrier locking means is provided for locking the position carrier 8 when the catcher 72 is overrun. As this carrier locking means, for example, as shown in FIG. 1, a magnetic block 78 is provided which attracts and holds the carrier 8 in the carrier seal position CRSP. Furthermore, as another carrier locking means, for example, a locking lever portion 79 shown in FIGS. 2 and 6 is disposed near the idle sprocket 17B. That is, a stud 80 is attached to the inner surface of the side frame 4A, and a lock lever 81 is rotatably provided on the stud 80 so as to be able to engage with an engagement roller that moves together with the chain 20. This locking lever 81 is biased counterclockwise in FIG. 6 via a biasing member (not shown), so that it is maintained in an inclined state as shown by the solid line in FIG. A bent hook portion 81A is formed at the second and sixth right end portions of the locking lever 81 in the drawing. This hook part 8
1A is adapted to fit into a groove 82A of a stopper 82 attached to the side of the carrier 8 when the carrier 8 is moved to the carrier seal position CRSP. i.e. chain 20
As the engaging roller 22 that moves together comes into contact with and engages the tip of the locking lever 81,
This locking lever 81 is gradually rotated clockwise in FIG. 6 against the biasing force of the biasing member (not shown). Then, as the carrier 8 reaches the carrier seal position CRSP, the engagement roller 22
Immediately after the engagement roller 22 is disengaged from the transmission member 24, the engagement roller 22 reaches the notch 81B provided at the intermediate portion of the locking lever 81. As a result, the locking lever 81 rotates counterclockwise in FIG. 6, and the hook portion 81A fits into the stopper 82 of the carrier 8 to position and hold the carrier 8. If such a carrier locking means is provided, even if the thermal adhesive tape MT is pulled back to tighten the thermal adhesive tape after being wound around the paper sheet, the carrier 8
The interlocking timing between the carrier 8 and the catcher 72 can be reliably maintained without shifting the position of the carrier 8 and the catcher 72.

The catcher 72 is opened and closed at the catcher home position CTHP to sandwich the thermal adhesive tape, and is pulled out downward in FIG. 2 to separate from the bundle at the catcher seal position CTSP. In order to cause the catcher 72 to perform these operations, a belt-like material holding member opening/closing/pulling drive unit (hereinafter simply referred to as an open pull driver) 85 is provided on the side frame 4A as shown in FIG. 2. FIG. 5 shows the back side of the open-pull driver, and FIG. 7 shows a part of the left side surface. As shown in Figure 2, this
type lever holder 86 is attached to the side frame 4A.
This lever holder 86 has two guide rollers 87 arranged in parallel (only one is shown in FIG. 2). The open lever 88 and the pull lever 89 are connected to the elongated holes 88A and 89.
The guide rollers 87 are respectively fitted to the guide rollers 87 via A so as to be movable back and forth. Open lever 8
8 and the pull lever 89 constitute an engaging member. At one end of this pull lever 89 is a hook lever 7 attached to the sliding block 71.
A pull lever hook portion 89B that can be engaged with the pull lever 89 is formed, and a guide roller 90 is rotatably attached to the other end of the pull lever 89. Further, an open lever hook portion 88B is formed at one end of the open lever 88 and can be engaged with a hook portion 72C formed on the rotary catcher 72B, and an intermediate portion of the open lever 88 is provided with the pull lever hook portion 88B. An open lever abutting portion 88C is formed which abuts on 89B. A rotary solenoid (drive section) 92 is attached to the side frame 4A via a solenoid holder 91.
One end of a swing lever 93 that swings together with the solenoid shaft 92A is attached to. A notch 93A that engages with the guide roller 90 is formed at the other end of the swing lever 93, and the pull lever 8 follows the swing of the swing lever 93.
9 reciprocates, and this pull lever hook portion 89
B is moved by coming into contact with the open lever abutting portion 88C of the open lever 88. The open lever 88 is biased by a biasing member (not shown) to return to its original position. Further, the open lever hook portion 88B and the pull lever hook portion 89B are spaced apart from each other by a predetermined angle with the drive shaft 66 as the center, as shown in FIG. Therefore, as shown by the chain line in FIG. 5, when the catcher 72 is at the catcher home position CTHP, the hook portion 72C formed on the catcher 72 comes into contact with the open lever hook portion 88B. Therefore, the catcher 72 can only be opened by operating the rotary solenoid 92. Also, as shown by the solid line in FIG. 5, the catcher 72 is in the catcher seal position.
When in CTSP, the hook lever 73 attached to the sliding block 71 comes into contact with the pull lever hook portion 89B, so when the rotary solenoid 92 is actuated, the sliding block 71 is moved from the drive shaft 66. Be able to move along. In addition, as shown in FIGS. 2 and 7, the lever holder 8
A sensor for checking the operation of the open-pull driver, such as a photo sensor (hereinafter also simply referred to as an open-pull drive sensor) 95, is provided in the middle of the open-pull drive sensor 9.
A detection plate 96 to be detected by reference numeral 5 is attached to the swing lever 93. When the open lever contact portion 88C of the open lever 88 moves in contact with the pull lever hook portion 89B of the pull lever 89, the detected plate 9
6 is detached from the open-pull drive sensor 95, so that the open-pull drive sensor 95 checks the operation of the open-pull driver 85. As a result of this configuration, the action of inserting the heat-adhesive tape by the catcher and the action of removing the catcher from the bundle can be performed with one rotary solenoid, and furthermore, the operation can be checked with one sensor.

The main clamp section 42 is designed as shown in FIGS. 1 and 2. That is, a clamp bracket 100 is attached to the side frame 4A, and at the other end of the clamp bracket 100, two guide plates 101, 101 are provided with a guide hole 101A as shown in FIG. It is attached through. Two clamp levers 104 each having two guide rollers 103 that fit into the guide holes of the guide plates 101, 101 are provided so as to sandwich both the guide plates 101, 101. , 104 are movable along the guide hole 101A.
Note that since both clamp levers 104, 104 are connected via the shaft 105, they can move as one. Also, both clamp levers 104, 10
4 is placed at a position where it does not come into contact with the thermal adhesive tape wound around the paper sheets on the carrier 8 and the clamp plate 33. A clamp lever driver 106 for moving the clamp levers 104, 104 is provided. this is,
a bearing 107 provided at an intermediate portion of the clamp bracket 100; a drive shaft 108 rotatably supported by the bearing 107;
is fixed to one end of this drive shaft 108,
and the shaft 105 via the notch 109A.
and a cam follower lever 110 fixed to the other end of the drive shaft 108 and provided with a cam follower 110A.
and the cam 1 that engages with this cam follower 110A.
11A, and a biasing member (not shown) that brings the cam follower 110A into close contact with the outer peripheral surface of the cam 111A, and a cam lever that swings following the rotation of the cam 111A. 109 allows the clamp levers 104, 104 to reciprocate along the guide hole 101A. Further, a stamp device (hereinafter also simply referred to as a stamp) 113 is provided at the intermediate portion of the clamp levers 104, 104 and is movable in the vertical direction via appropriate means.
This stamp 113 is used to stamp the date of bundling, the identification number of the bundled paper sheets, etc. on the thermal adhesive tape, and the thermal adhesive tape wound around the paper sheets is tightened via the feeder 40. It is designed to be activated during the period from when it is heated until it is thermally bonded by a thermal bonding section 43, which will be described later. in this way,
Since the stamp 113 can be operated and stamped while the sheet group is stopped for thermal adhesion, processing efficiency can be improved.

The heat bonding portion 43 is designed as shown in FIGS. 1 and 2. That is, the side frame 4
A heat bonding portion bracket 115 is attached to B, and a guide base 117 is attached to this heat bonding portion bracket 115 via a prop 116. Two pairs of guide rollers 118 are disposed opposite to each other on this guide base 117.
A slide base 119 is held between the slide bases 18 so as to be movable back and forth. A heater block 121 is provided on this slide base 119 via a holder 120. This heater block 1
21 is rotatably provided in the holder 120, and is biased clockwise in FIG. 1 via a biasing member (not shown), and the first
The state shown by the solid line in the figure is maintained. As the slide base 119 moves upward in FIG.
21 comes into contact with the heater block 121, the heater block 121 rotates counterclockwise in FIG. 1 against the biasing force of the biasing member (not shown), and assumes the position shown by the chain line in FIG. There is. Further, the guide roller 1 provided at the middle part of the slide base 119
22, and a swinging lever 1 which engages the guide roller 122 in a notch provided at one end and rotatably pivots the other end to the heat bonding bracket 115.
23, a crank lever 124 equipped with a slider 124A that engages with an elongated hole provided in the middle part of this swing lever 123, and a drive motor 125 that rotates this crank lever 124. The drive motor 1
By operating the heater block 25, the heater block 121 can be moved back and forth. In addition, as shown in FIG.
01, a tape stopper 126 made of, for example, a spring steel plate is rotatably provided, and a rubber plate 127 for preventing slippage is attached to the upper surface of the tape stopper 126. This tape stopper 126 is designed to rotate in conjunction with the movement of the heater block 121, and presses and holds the heat-adhesive tape against the sheet group before the heat-adhering by the heater block 121.
This prevents the heat-adhesive tape from loosening when it is cut by the cutters 53A, 53B of the feeder 40.

Next, the operation of the binding device constructed in this way will be explained in the eighth section.
The explanation will be centered on figures a to f.

First, when the carrier 8 is in the carrier home position CRHP as shown in FIG.
will be moved to Also, at this time, the catcher 72
is in the catcher home position CTHP.
At this time, as shown in FIG. 5, the hook portion 72C of the catcher 72 is in a position where it engages with the open lever hook portion 88B.
is in an open state (the state shown in FIG. 8a). At this time, the heat-adhesive tape MT is inserted between the catchers 72 via the feeder 40, and then the rotary solenoid 92 is demagnetized, so that the heat-adhesive tape MT is caught in the catchers 72.

Thereafter, by driving the motor 18 shown in FIG. 1 clockwise, the carrier 8 and the catcher 72 are
and move in conjunction. The moving states of both at this time are as shown in FIGS. 8b and 8c. That is, as the carrier 8 moves, the catcher 72 rotates and the sheets are gradually wound. In particular, since the two are interlocked, the radius of rotation of the catcher 72 can be smaller than the width of the sheet group in the moving direction, making it possible to downsize the winder 41 and increase its versatility regarding the width of the sheet group. In addition, the catcher 72 is rotated to form a folded part BP at the tip of the heat-adhesive tape with the coated surface CF coated with the heat-melting agent facing inside, so that the heat-bonded part is placed on top of this folded part BP. Even if the tapes are overlapped and heat welded, the heat melting agent will not adhere to the paper sheets. Furthermore, the paper leaf group is placed on the first and second mounting tables 13A and 13B.
Since the paper sheets are wound on the carrier 8 through the space formed between them, it is possible to eliminate wasteful transfer operations of the paper sheets, which may cause misalignment or deformation of the paper sheets. Note that before the carrier 8 reaches the carrier seal position CRSP shown in FIG. 8c, the auxiliary clamp part 29 shown in FIG. are pushed by the alignment rod 36 and aligned, and the aligned sheet group is held by the bottom surface of the clamp plate 33. Therefore, even if winding is performed while the sheet group is being moved, the sheet group is prevented from shifting or deforming.

Carrier 8 is carrier seal position CRSP
When reaching , the engagement roller 22 that moves together with the chain 20 separates from the transmission member 24 attached to the carrier 8, as shown in FIG. At this time, the locking lever 81 of the locking lever portion 79 is operated, and the hook portion 81A formed on the locking lever 81 fits into the groove 82A of the stopper 82 provided on the carrier, and the carrier 81A is fitted into the groove 82A of the stopper 82 provided on the carrier.
is held in carrier seal position CRSP. The chain 20 is continuously driven to rotate the catcher 72 to the catch seal position CTSP shown in FIG. 8d. At this time, as shown in FIG. 8e, the main clamp part 42
The clamp lever 104 of the carrier 8 is lowered, and the carrier 8
Compress and hold the upper sheet group. When the main clamp section 42 operates, the auxiliary clamp section 29 also presses the sheet group, so that the sheet group is double clamped by the main clamp section 42 and the auxiliary clamp section 29. Therefore, it is possible to completely prevent the sheet from becoming unclamped until it is clamped by the main clamp section, and it is possible to reliably hold the sheet group. In this state, the feeder 40 pulls back the thermal adhesive tape MT and tightens it, thereby bringing the thermal adhesive tape MT and the sheet group into close contact with each other. In addition, as shown in Figure 8 a to e, heat adhesive tape
Since the thermal adhesive tape is guided by the guide roller 56 even if the feeding direction and the pulling back direction of the MT are different, a mechanism for changing the position of the feeder 40 according to the feeding and pulling back direction of the thermal adhesive tape is provided. The inconvenience of installing one is eliminated.

Thereafter, when the heater block 121 of the heat bonding section 43 is moved in the direction of the arrow X shown in FIG. 8f,
In conjunction with this, the tape stopper 126 rotates clockwise, and the rubber plate 127 provided thereon presses and holds the thermal adhesive tape against the sheet group. After that, the cutters 53A, 5 of the feeder 40
3B cuts the end of the thermal adhesive tape. Heater block 1 moves in the direction of arrow X.
21 overlaps the end portion of the heat-adhesive tape with the folded portion BP and heats the top thereof to thermally weld the heat-adhesive tape. The thermally welded state is shown in FIG. 9. In other words, since the top of the heat-adhesive tape layered on the folded part BP is heated, the melted heat-melting agent does not adhere to the sheet group P, and the heat-melting agent is melted between the folded part BP and the end of the heat-adhesive tape. Welding of the thermal adhesive tape is performed through the agent. This eliminates the need for a heater pedestal, which was conventionally inserted between the heat-adhesive tape in the heated part and the sheet group when heat welding is performed without forming a folded part. This also eliminates the disadvantage of doing so.

When the heat bonding is completed, the catcher 72 is pulled out from the bundle in order to move the carrier together with the bundle to the carrier back position CRBP. At this time, that is, when the catcher 72 is in the catcher seal position CTSP, the hook lever 73 provided on the sliding block 71 is moved toward the open pull driver 8 as shown in FIG.
5, the pull lever 89 is moved downward in the second figure by actuating the rotary solenoid 92, and the catcher 72 is pulled out from the bundle. . After the main clamp part 42 is returned to the position shown in FIG. 1, the carrier 8 is moved, and during the movement, the auxiliary clamp part 29 is returned to the position shown by the solid line in FIG. 2. Then, while the carrier 8 passes through the scraper 26 which is nested with the carrier 8, only the bundle placed on the carrier 8 comes into contact with the scraper 26 to restrict its movement, and the lower chute It was dropped on the 27th. The carrier 8 is then moved from the carrier back position CRBP to the carrier home position CRHP, completing one cycle of operation.

In the above embodiment, the case where a group of paper sheets is bound as the object to be bound has been described, but the present invention is not limited to this, and can be applied to various things such as a group of stacked package packages.

Furthermore, the folded state of the strip material folded back by the folding means is not limited to that shown in FIG. 9 explained in the above embodiment, but for example, as shown in FIG. It is also possible to wind the thermal adhesive tape MT with the CF facing outside and form a folded portion BP at the end of the thermal adhesive tape.

Further, in the above embodiment, a case has been described in which the auxiliary clamp part also serves as a positioning means, but the invention is not limited to this. When transferring a group of paper sheets to the carrier 8, first, the sheet group placement position _A0 of the backup board 3 is shown in FIG.
By lowering the carrier 8 to the A ₁ position and moving the carrier 8 to the right in the first drawing, the group of paper sheets placed on the backup plate 3 is brought into contact with the rear plates 13a, 13b, and 13c of the carrier. Immediately after that, the back up board 3
It is also possible to lower the paper sheet stacking position to the _A2 position and completely transfer the paper sheets to the carrier 8.

Further, in the above embodiment, the movement of the carrier and the rotation of the catcher are physically linked by a mechanical structure, but the invention is not limited to this. It is also possible to interlock the timing by electrical control.

The above description is an example, and it goes without saying that each member may be replaced with another member having the same function.

[Effect of idea]

As is clear from the above description, in the bundling device of the present invention, one drive unit can open and close the strip material holding member and pull out the strip material holding member from the strip material. This has excellent effects such as being able to simplify the process.

[Brief explanation of the drawing]

Fig. 1 is a front view showing one embodiment of the binding device of the present invention, Fig. 2 is a plan view of the same embodiment, Fig. 3 is a right side view of the same embodiment, and Figs. 4 a and b are windings. 5 is a right side view of the part, a cross-sectional view of the band-shaped material holding member, and a back view of the winding part and the band-shaped material holding member opening/closing pulling drive part,
FIG. 6 is a schematic front view showing the locking means for the member to be bound, FIG. The figure is an explanatory diagram showing the folded state of the bundle, No. 10.
The figure is an explanatory view showing another folded state of the bundle. 2... Binding part, 71... Moving member, 72... Band-shaped material holding member, 85... Band-shaped material holding member opening/closing pulling drive unit, 1stSP... First rotation stop position, 2
ndSP...Second rotation stop position, MT...Strip material.

Claims (1)

[Scope of utility model registration request] In a device for winding and tying strip materials around objects to be bound that have been transferred to a binding section, a moving member supported to be rotatable along the outer periphery of the objects to be bound and linearly movable in a direction intersecting the direction of rotation. a band-shaped material holding member provided on the movable member and having a pair of clamping members for clamping the strip-shaped material and a locking member for opening and closing the clamping members; The movable member is movably supported and engages with the locking member of the strip-shaped material holding member at a first rotation stop position to open and close the clamping member of the strip-shaped material holding member, and at the same time, a second rotational stop of the movable member is made. an engaging member that engages with the moving member at a position to linearly move the moving member; and a drive unit that drives the engaging member at a first rotation stop position and a second rotation stop position of the moving member. A binding device characterized by comprising: