JPH0654506U - Binding machine - Google Patents

Abstract

(57) [Abstract] [Purpose] To avoid a situation in which the band is disengaged from the projecting position of the projecting member and the band and the binding regulation plate are not locked. [Structure] A projecting member holder 12a and a base holder 22a are arranged on a binding machine with a band guide passage interposed therebetween.
The base holder 22a holds the projecting member 15a that can move back and forth toward the projecting member holder 12a. Then, when the bands are bound together, the protruding member 15a is advanced so that the tip end thereof is inserted into the insertion hole 30a of the protruding member holder 12a. As a result, when the band is locked to the protruding member 15a, the holders 12a and 22a are positioned on both sides of the band, and the band does not come off from the protruding member 15a.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a binding machine, and more particularly, to an improvement of a binding machine that binds a flexible object, such as newspaper, which is easily bent by a band.

[0002]

[Prior art]

 BACKGROUND ART Conventionally, flexible objects such as newspapers that are folded and stacked are easily bound by a band as a bound object to facilitate handling during transportation. However, when the number of such bundled objects is small, the bundled force of the band causes the bundled objects to bend. In order to improve this point, for example, as disclosed in Japanese Utility Model Laid-Open No. 63-134901, a binding machine is provided with a binding control plate, and the binding control plates are provided close to both sides of the binding object. In some cases, the binding regulation plate and the object to be bound are bound together by a band in this state to prevent the object to be bound from bending. That is, in this publication, as shown in FIG. 7, the binding regulation plate a is inserted into a holder b, the base end portion of the binding regulation plate a is connected to an air cylinder c, and the air cylinder c is driven. The bundling control plate a is allowed to move back and forth (see the arrow in FIG. 7), and the bundling control plate a is advanced by the air cylinder c only when the band d is bound to project from the boulder b (as shown in FIG. 7). As a result, the band d is locked to the binding regulation plate a when the band is bound. Further, in this configuration, after the binding work of the band d, the binding regulation plate a is retracted to release the locked state between the band d and the binding regulation plate a so that the object to be bound can be taken out from the device. There is.

[0003]

[Problems to be solved by the device]

 However, in the configuration described in the above-mentioned publication, when the band d is located at the projecting portion of the binding regulation plate a and is wound around the binding regulation plate a (as shown by the solid line in FIG. 7), the band d d will be bound well, but in this type of binding machine, the band d accommodated in the band guide passage arranged around the bound object moves in the air toward the bound object. Since the object to be bound is bound, when the band is bound, the band d largely shakes left and right when moving in the air, and is not necessarily located at the projecting portion of the binding regulating plate a. It is not always wrapped around. That is, when the swing of the band d is large, the band d is located out of the projecting portion of the bundling regulation plate a as shown by the phantom line in FIG. It cannot be exhibited, and the binding force of the band d directly acts on the object to be bound, and the object to be bound is bent.

The present invention has been made in view of this point, and as described above, in a situation where the band is disengaged from the projecting position of the binding regulation plate and the band and the binding regulation plate are not locked. The purpose is to obtain a configuration that can avoid the occurrence.

[0005]

[Means for Solving the Problems]

 In order to achieve the above object, the present invention is designed such that both ends of the bundling regulating plate are held by the holders when the bands are bound, and the holders perform the function of preventing the band from coming off. Specifically, the invention according to claim 1 sends the band into the arch-shaped band guide passage, pulls out the band from the band guide passage in a state where the band to be bound is conveyed into the arch, and the band to be bound. It is premised on a binding machine in which a band is wound around the outer surface to bind the band. Then, first and second projecting member holders that are horizontally opposed to each other with the band guide passage interposed are provided at positions close to both sides of the bundled object in the band guide passage extension direction. Further, the first projecting member holder is made to hold a projecting member that can move back and forth toward the second projecting member holder, and when the projecting member is in the retracted position, the tip end of the projecting member serves as the first projecting member. In addition, the base end of the projecting member is set so that the band that is pulled out from the band guide passage and bound together is locked to the projecting member when the projecting member is in the forward position. The portion is held by the first protruding member holder and the tip portion is locked by the second protruding member holder.

According to a second aspect of the invention, in the binding machine according to the first aspect, the first and second projecting member holders have a guide surface for guiding the band toward the projecting member in the forward position. The structure is such that a part is formed.

[0007]

[Action]

 With the above structure, the present invention provides the following effects. In the invention according to claim 1, the projecting member is moved to the forward position in a state where the object to be bound is transported into the arch, the base end portion of the projecting member is held by the first projecting member holder, and the tip end portion is set to the second position. Lock the protrusion holder. In this state, the band is pulled out from the band passage to bind the objects to be bound. During this binding operation, the band binds the projecting member and the bound object together, and the projecting member prevents bending of the bound object due to the binding force. Further, since the first and second holders are located at both ends of the band, it is possible to prevent the band from coming off the protruding member.

According to the second aspect of the invention, when the band is bound, the band contacts the first or second protruding member holder, and the band is a guide surface of the blade portion formed on the holder. Is guided toward the projecting member and locked by the projecting member.

[0009]

【Example】

 Next, an embodiment of the present invention will be described with reference to the drawings. 1 to 3 show a binding machine according to this example, FIG. 1 is a front view of the binding machine, FIG. 2 is a plan view seen from a position along line II-II in FIG. 1, and FIG. The cross-sectional views along the line III-III in FIG. 1 are shown. As shown in each drawing, the present binding machine 1 includes an arch portion 2 having an arch-shaped band guide passage 2 a. Reference numeral 3 is a band welding cutting device which is provided below the arch portion 2 and which welds and cuts the bound bands. Reference numeral 4 is a band for binding the objects to be bound (for example, stacked newspapers) A and A ', and 5 is a band feeding device that rotates forward and backward to move the band 4. Further, 6a, 6b, 6c, 6d and 7a, 7b, 7c, 7d are conveyors which are intermittently driven to convey the objects A, A'to be bound into the arch portion 2.

Reference numerals 8a, 8b and 8c denote projecting movement devices for driving the projecting members 15a, 15b and 15c located on both sides of the objects A and A'to be bound when the band 4 is bound, and in FIG. The projecting moving device 8b located on the left side has the same structure as the projecting moving device 8a located on the left side, and the projecting moving device 8c located on the right side has the same structure. Further, 9 is a base plate supporting the above-mentioned members.

Reference numeral 10 a (see FIG. 3) is a bracket attached to the base plate 9, and a vertical wall portion 10 a ′ thereof is erected at a position spaced apart from the base plate 9 by a predetermined distance. A rotating shaft 11a extending horizontally is rotatably installed between the vertical wall portion 10a 'of the bracket 10a and the base plate 9. Further, a protruding member holder 12a as a second protruding member holder in the present invention, into which the protruding member 15a can be inserted, is bolted to the tip of the rotary shaft 11a (the right end in FIG. 3). A lever 13a is fixed to the base end (the left side end in FIG. 3) of the rotary shaft 11a, and a sliding body 14a is provided in the middle of the rotary shaft 11a so as to be horizontal to the rotary shaft 11a. It is fitted so that it can slide in any direction.

Reference numeral 16 a denotes a bracket which is arranged on the side opposite to the position where the bracket 10 a is arranged with respect to the base plate 9 with a predetermined space therebetween, and a vertical direction between the base plate 9 and the base plate 9. It also supports an air cylinder 17a having a rod that can move back and forth, and the rod of the air cylinder 17a is connected to the lever 13a. Therefore, the lever 13a is rotated by the forward / backward movement of the rod accompanying the driving of the air cylinder 17a, and the turning force is transmitted to the projecting member holder 12a and the projecting member 15a via the rotating shaft 11a. Has become. On the contrary, when the projecting member holder 12a and the projecting member 15a are forcibly rotated by the binding force of the band 4 or the like, the rotational force is generated by the air cylinder 17a via the rotary shaft 11a and the lever 13a. It is designed to be transmitted to the rod.

Reference numeral 18a is an air cylinder having a rod that can move back and forth in the horizontal direction, and is supported by a mounting plate 19a fixed to the bracket 16a. The rod of the air cylinder 18a has a reciprocating member at the tip thereof. 20a is attached. A roller 21a is provided on the upper side of the tip of the reciprocating member 20a, and the roller 21a is engaged with the sliding body 14a. Therefore, the sliding body 14a is reciprocated through the reciprocating member 20a and the roller 21a by the forward / backward movement of the rod accompanying the driving of the air cylinder 18a, whereby the protruding member 15a is inserted into the protruding member holder 12a. It is adapted to be detached from the protruding member holder 12a.

A stopper 32a is attached to the base plate 9 so that its position can be adjusted, and the protruding portion of the lever 13a comes into contact with the stopper to regulate the rotational position of the lever 13a.

On the other hand, the protrusion moving device 8b located on the left side in FIG. 1 has a symmetrical structure to the above-mentioned protrusion moving device 8a in the central portion, and in each drawing, a corresponding member has a suffix a. B is attached instead of. In addition, the protrusion moving device 8c located on the right side in FIG. 1 has the same configuration as the above-described central protrusion moving device 8a, and in each drawing, the corresponding member is replaced by the subscript a. Is attached to c.

The size of the object to be bound A can be recognized in the binding machine 1 by a detector (not shown). That is, in the case of the newspaper A '(see FIG. 1) in which the bound object is folded in four, the protrusion moving devices of the left and right sides 8b and 8c are activated, and the bound object is folded in eight. In the case of newspaper A, the protrusion moving device is configured so that the central member 8a and the left member 8b operate.

Next, the characteristic configuration of this example will be described. The feature of this example is in the configuration of the peripheral portion of the protruding member 15a and the protruding member holder 12a. As shown in FIG. 4, a base holder 22a as a first protruding member holder according to the present invention is arranged around the protruding member 15a. The base holder 22a includes a holder body 23a and a blade 24a. A projecting member insertion hole 25a extending in the horizontal direction is formed at the center of the holder main body 23a, and the projecting member 15a is inserted into the projecting member insertion hole 25a so as to be movable back and forth. Then, when the protruding member 15a is in the most retracted position (the condition shown in FIG. 4), the tip of the protruding member 15a is substantially flush with the inner side surface 26a of the holder body 23a. There is. That is, in this state, the tip of the protruding member 15a is not projected. The blade portion 24a is integrally formed on the side surface of the holder main body portion 23a, that is, on the side on which the band 4 moves (right side in FIG. 4). 27a is shaped so as to incline in a direction away from the protruding member holder 12a as it goes to the outside (right side in FIG. 4).

On the other hand, the protruding member holder 12a has a configuration symmetrical to the base holder 22a. That is, the protruding member holder 12a includes the holder main body portion 28a and the blade portion 29a. A protrusion member insertion hole 30a extending horizontally is formed in the center of the holder main body portion 28a, and the protrusion member 15a is moved forward and backward through the protrusion member insertion hole 30a. Can be inserted and removed. That is, when the projecting member 15a is in the most advanced position (the state shown in FIG. 5), the tip portion of the projecting member 15a is locked to the holder main body portion 28a. The blade portion 29a is integrally formed on the side surface of the holder main body portion 28a, that is, on the side where the band 4 moves. As its plan view shape, as the inner side surface 31a faces outward. It is shaped so as to incline in a direction away from the base holder 22a.

Therefore, according to the present invention, the inner surfaces 27a and 31a of the blade portions 24a and 29a of the holders 12a and 22a, which are horizontally opposed to each other with the band guide passage 2a interposed therebetween, have the guide surfaces according to the present invention. Thus, a diverging guide passage B for guiding the moving band 4 toward the protruding member 15a is formed between the guide surfaces.

Next, a binding operation of the binding machine 1 configured as described above will be described. Here, a case will be described in which the newspaper A folded in eight as a bundle is bound. First, when the objects to be bound A are conveyed into the arch portion 2 by the conveyors 6a and 6b, the protruding moving devices 8a, 8b and 8c to be driven are selected according to the size of the objects to be bound A. Then, in the selected protrusion moving devices 8a and 8b, the air cylinder 18a is driven to move the rod forward, and the slide body 14a moves rightward in FIG. 3 along the rotary shaft 11a in accordance with the forward movement. As a result, the protruding member 15a advances toward the protruding member holder 12a, and at its most advanced position, the protruding member 15a is inserted into the protruding member insertion hole 30a of the protruding member holder 12a. As a result, as shown in FIG. 5, the protruding member 15a is provided between the pair of holders 12a and 22a. In this state, both holders 12a and 22a can rotate together with the protruding member 15a around the rotary shaft 11a.

In such a state, the band feeding device 5 is driven, and the band 4 accommodated in the band proposal passage 2a of the arch portion 2 is separated from the arch portion 2 and moves toward the object A to be bound in the air. (See the phantom line in FIG. 1). At this time, the band 4 moves toward the object to be bound A while swinging in the air in the direction perpendicular to the paper surface in FIG. 1, and a part of the band 4 is placed around the protruding member 15a. Move toward. If the band 4 does not move to the projecting position of the projecting member 15a and comes into contact with any one of the holders 12a and 22a, the band 4 is provided on the inclined inner side surfaces 27a and 31a of the holders 12a and 22a. Is guided so as to smoothly contact the protruding position of the protruding member 15a. That is, the band 4 is guided so as to wind around the projecting member 15a through the guide passage B formed between the holders 12a and 22a. When the band 4 is wrapped around the projecting member 15a in this manner, the holders 12a and 22a are rotated by the binding force thereof so as to come close to the bundled object A together with the projecting member 15a, as shown in FIG. It As a result, the band 4 is bound without the object A to be bound being bent. Such an operation is performed in each of the protrusion moving device 8a located in the center and the protrusion moving device 8b located on the left side.

After the band 4 is bound in this way, both ends of the band 4 are welded in the band welding / cutting device 3 and positions close to the welded part are cut, so that the bound object A The binding work is completed. After that, the air cylinder 18a is driven to move the rod backward, whereby the protruding member 15a is detached from the protruding member holder 12a, and the engagement state between the protruding member 15a and the band 4 is released. The object A to be bound which has been bound is taken out.

As described above, according to the configuration of this example, when the band 4 is bound, when the band 4 moves so as to come into contact with any one of the holders 12a and 22a holding the protruding member 15a. However, the band 4 can be guided toward the protruding member 15a, and when the band 4 is locked to the protruding member 15a, the holders 12a and 22a are located on both sides of the band 4. By this, it is possible to prevent the band 4 from coming off from the projecting member 15a, and unlike the conventional case, the band 4 comes off from the projecting member 15a and the function of the projecting member 15a is not exerted. It is possible to avoid a situation in which the binding object A is bent due to the binding force of the band 4.

The air cylinder 17a arranged in the vertical direction is adapted to be driven as necessary. In other words, the band 4 is driven along the upper left and right corners of the object to be bound A to drive the band 4, and the rod is retracted to rotate the rotary shaft 11a to rotate the left and right holders 12a, It is used when the 22a and the protruding member 15a are forcibly rotated outward (the side away from the object to be bound).

[0025]

[Effect of device]

 As described above, according to the present invention, the following effects are exhibited. . According to the first aspect of the invention, the first and second protrusions that are horizontally opposed to each other with the band guide passage interposed therebetween are provided at positions close to both sides of the bound object in the band guide passage extension direction. Each of the member holders is provided, and the first projecting member holder is caused to hold a projecting member that can move back and forth toward the second projecting member holder. When the projecting member is in the retracted position, the tip of the projecting member is The first protruding member is set in a retracted state, and when the protruding member is in the forward position, the band pulled out from the band guide passage and bound is locked to the protruding member. Since the base end of the protruding member is held by the first protruding member holder and the tip end is locked by the second protruding member holder, both sides of the band are locked when the band is locked by the protruding member. The holder is located This prevents the band from coming off the protruding member. As in the conventional case, the band comes off the protruding member, the function of the protruding member is not exerted, and the band is bound by the binding force of the band. It is possible to avoid a situation where an object is bent, and it is possible to improve the reliability of the binding machine.

According to the second aspect of the present invention, the first and second projecting member holders are formed with the blade portions having the guide surface for guiding the band toward the projecting member in the forward movement position. , In a situation where the band contacts the first or second protruding member holder, the band is guided toward the protruding member by the guide surface of the blade portion formed on the holder and locked to the protruding member. With this configuration, even when the band swings during bundling, the band can be securely locked to the projecting member, and the reliability of the bundling machine can be further improved.

[Brief description of drawings]

FIG. 1 is a front view in which a part of a binding machine is cut away.

FIG. 2 is a plan view seen from the position of line II-II in FIG.

FIG. 3 is a sectional view taken along line III-III in FIG.

FIG. 4 is an enlarged view of an essential part showing a state in which the protruding member is in the retracted position.

FIG. 5 is a view corresponding to FIG. 4, showing a state in which the protruding member is in the forward movement position.

FIG. 6 is a diagram showing a bundling operation.

FIG. 7 is a view showing a peripheral portion of a conventional protruding member.

[Explanation of symbols]

1 Bundling machine 2 Arch part 2a Band guide passage 4 Bands 12a, 12b, 12c Projection member holder (2nd projection member holder) 15a, 15b, 15c Projection member 22a, 22b, 22c Base holder (1st projection member holder) 24a, 29a Blade part 27a, 31a Inner side surface (guide surface) A Bundled object

Claims (2)

[Scope of utility model registration request] 1. A band is fed into an arch-shaped band guide passage, the band is pulled out from the band guide passage while the object to be bound is conveyed into the arch, and the band is wound around the outer surface of the object to be bound. In the binding machine configured as described above, first and second projecting members that are horizontally opposed to each other with the band guide passage interposed therebetween at positions close to both sides of the bundled object in the band guide passage extension direction. Holders are provided respectively, and the first projecting member holder holds a projecting member that can move back and forth toward the second projecting member holder. When the projecting member is in the retracted position, the projecting member is retained. The front end of the projection is retracted into the first projecting member, and at the forward position of the projecting member, the band that is pulled out from the band guide passage and bound is locked to the projecting member. The way, binding machine, characterized by being configured to the base end portion of the projecting member and the distal end portion is held by the first projecting member holder is engaged with the second projection member holder. 2. The first and second projecting member holders are provided with vanes having a guide surface for guiding the band toward the projecting member in the forward movement position. Binding machine.