JPH0443447Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) The present invention is used in an automatic binding device for wrapping bundles of soft and easily damaged leafy vegetables such as spinach with binding tape. By automatically pulling out the binding tape from the tape reel and wrapping it around the bundle of leafy vegetables without touching it, it is possible to easily wrap the binding tape around easily damaged items. This relates to a winding device.

(Prior Art) Conventionally, as a device for automatically binding objects to be bound with a binding tape, there is a technique disclosed in Japanese Patent Application Laid-Open No. 175515/1982 (Japanese Patent Application No. 61804/1982). This device will be explained with reference to FIGS. 13 to 15. Buckets 100, 101, 10 on which objects to be bound A are placed
2 has moved to the center of the machine stand 103, the switch 104 detects and the buckets 100, 101,
The movement of 102 is stopped. At this time, the upper part of the object A to be bound is held down by the upper holding plates 105, 106, and 107. Next, the piston rod 108a of the cylinder device 108 is extended to rotate the arm 109, and the band 110 stretched on the arm 109 tightens and shapes the objects A on the bucket bags 100, 101, and 102. Next, the cylinder device 111 is actuated and the upper head 112 is pushed downward. At this time, the pinion gear 113 is rotated by the rack 114, and the cam plate 115 pushes the pin 116 to move the lower end of the lever 117 to the right in FIG. 15 of the upper head 112. Further, the rotation of the horizontal shaft 118 is transmitted to the cam 119, and as the cam 119 rotates, the lower table 120
is pushed upward. For this reason, the upper head 1
12 and the lower stand 120, the tape reel 122 rotates clockwise in FIG. 15 as the horizontal shaft 118 rotates and rewinds the tape 121, so the slack is prevented. Ru.

When the upper head 112 and the lower table 120 approach each other, the ends of the tape 121 wound around the object A are overlapped and crimped between the crimping table 123 and the first pressing rod 124, and are pressed against the cutting blade. Therefore, the upper tape is cut near the winding end. At this time, the tape 121 is cut using the first and second tape holding rods 12.
5,126. And tape 121
Since the tape is cut at a position closer to the crimping table 123 than the clamping position, a positional shift occurs between the cut end of the tape and the clamping end, and the adhesive surface 121a on the clamping end side is exposed. Therefore, this adhesive surface 121a can be attached to the object A side to be bound.

Conventionally, as an automatic pasting device that performs this pasting, there is one shown in FIG. 16.

A brush 130 is attached to a lever 129 that is pivotally connected to the tip of a sticking arm 128 that can swing freely by a cylinder device 127, and the brush 130 is exposed on the adhesive surface when the sticking arm 128 moves. Adhesive surface 121a from the back of 121a
The adhesive surface 121a is moved to the side and the adhesive surface 121a is attached to the object A side. Furthermore, after the lever 129 comes into contact with the lower surface 131a of the guide plate 131, it is rotated counterclockwise in the figure about the pin 132 against the spring force of the spring 133, and is moved to the upper surface of the object to be bound A. Even if the tape ends are long and reach the top surface of the object A, the attachment process can be performed smoothly.

When the tape 121 is cut and the binding is completed,
The upper head 112 is pulled upward by the cylinder device 111. Along with this, the lower stand 12
0 is lowered, and the lever 117 moves to the left side of the lower stand 120 and returns to its original position. Meanwhile, the arm 109 returns to the position indicated by the two-dot chain line in FIG.
The buckets 100, 101, and 102 start moving again, and the next buckets 100, 101, and 102 move to the center of the machine base 103, and the above-described binding operation is repeated.

(Problems to be Solved by the Invention) Conventionally, as a means for winding a binding tape around objects to be bound that have been transported, a method of winding a binding tape 121 from a tape reel 122 to a lower stand 120 of a binding device is used. A lever 117 supports the intermediate portion, and the object A is wound around the object A by swinging the lever 117. At this time, the tape reel 122 rotates in the tape winding direction to prevent the binding tape 121 from sagging. Therefore, the binding tape 12
1 is constantly under tension when the lever 117 is rotated, and if the lever 117 is rotated in this state, a large force will be applied to the object to be bound A when the binding tape 121 is wrapped around it. With soft leafy vegetables, problems arose in that they were bent or damaged. Furthermore, there is a problem in that even items that are intended to be flatly bound are wrapped roundly by the binding tape, resulting in a loss of commercial value in terms of appearance.

The present invention was devised in view of the above-mentioned problems, and its purpose is to pull out the binding tape to a position where it can be wound before the items to be bound are transported to the binding section. To provide an automatic binding device capable of binding objects to a desired shape without damaging them by minimizing the force applied when wrapping a binding tape around the objects.

(Means for Solving the Problems) As a means for solving the above problems, the present invention provides a transport means for placing and transporting objects to be bound, and a means for wrapping binding tape around objects to be bound during transportation. An automatic binding device comprising: a binding device that overlays a winding end portion on a binding tape and press-cuts the binding tape; a guide roller that supports the binding tape stretched from a tape reel to a tape holding device of the binding device; A required number of tape winding devices are disposed along the binding tape, and are further provided with moving means for moving the guide rollers forward and backward in the conveying direction of the objects to be bound.

(Function) Since the present invention has the above configuration, it functions as follows.

Before the objects to be bound are conveyed to a position where they are bound with the binding tape, the guide roller supports the binding tape that has been stretched from the tape reel to the binding device and moves in the front direction of conveyance. This causes the binding tape to be pulled out from the tape reel.

Next, when the objects to be bound are conveyed between the pulled out binding tapes, the guide roller moves in the direction after conveyance and returns to its initial position, causing the binding tape to separate from the guide rollers and move the objects to be bound. It will be wrapped around something.

In this way, since the binding tape is applied to the objects to be bound and the objects are pulled out in advance without being pulled out, the binding tape can be wound without damaging even soft leafy vegetables such as spinach.

Further, by changing the arrangement position of the guide roller and the amount of movement in the forward direction of conveyance, it is possible to deal with objects of various shapes.

Subsequently, the binding device overlaps both winding ends of the binding tape wound around the object and press-cuts them to perform binding.

(Example) Hereinafter, an example of the present invention will be described based on the drawings.

As shown in Fig. 3, the machine base 1 has spindles 2, 3,
4 and 5 are arranged, and on these support shafts 2, 3, 4, 5,
Two driven sprockets 6, 7, 8, and 9 are provided in parallel to each shaft direction. Then, connect chain 1 to this sprocket 6, 7, 8, and 9.
0 and 11 are crossed respectively. A motor 12 is provided inside the machine base 1, and the power of this motor 12 is transmitted through a reducer 13 and an index 1.
4, and a transmission chain 16 via a transmission sprocket 15 to a transmission sprocket 17 provided on the support shaft 2. Thereby, chain 10,1
1 is starting to move.

Buckets 18, 18, . . . for placing objects to be bound, such as spinach, are attached to the chain 10 at equal intervals. Also, chain 11 also has bucket 19,1.
9... are attached at equal intervals so as to be lined up horizontally with the buckets 18, 18.... Bucket 18 is
It is composed of a placement surface section 18a on which objects to be bound A are placed, and a front wall 18b and a rear wall 18c extending upward from the front and rear ends of the placement surface section 18a in the moving direction. Similarly, the bucket 19 has a placement surface portion 19a and a front wall 19b.
and a rear wall 19c, and further includes a vertical wall 2 in a vertical plane perpendicular to the front wall 19b and the rear wall 19c.
0 is set.

At the top of the machine stand 1, there is a part where the buckets 18 and 19 are exposed so that multiple workers can load a predetermined amount of objects A onto the buckets 18 and 19. is provided with an automatic binding section 21 for objects A to be bound.

This automatic bundling section 21 attaches the objects A to be bound which are placed on both the buckets 18 and 19.
19, the tape winding device 22, a positioning device 23 for positioning the objects to be bound A on the buckets 18, 19 and preventing them from shifting, and the objects to be bound. It is generally composed of a bundling device 24 for adjusting the shape of the tapes A, a bundling device 25 for pressing and cutting the tapes, and a sticking roller device 26 for sticking the cut ends of the tapes to the objects A after bundling.

The tape winding device 22 pulls out a binding tape (self-adhesive tape, pressure-sensitive adhesive tape, heat-sensitive tape, etc.) 27 by approximately the circumferential length of the object A before bundling, and wraps it around the object A. The structure is explained with reference to FIGS. 1 and 2. A cylinder device 28 is provided so that the piston rod 28a expands and contracts in the direction in which the bucket carts 18 and 19 are transported. A support member 30 that slides on the guide rail 29 is connected to the tip, and a pair of guide rollers 3 are attached to rod-shaped members 30a and 30b attached in the vertical direction of this support member 30.
1 and 32 are rotatably provided. These guide rollers 31 and 32 are provided vertically and in parallel, and when the piston rod 28a is shortened, they move in the transport direction of the bucket, support the binding tape 27, and push it forward through between the buckets 18 and 19. In this way, the binding tape 27 is pulled out from the tape reel 33. Further, a motor 35 is connected to the tape reel 33 via a clutch 34.
is connected, and after the binding tape 27 is pulled out from the tape reel 33, the clutch 34 is turned on and off as appropriate to rotate the tape reel 33 with a predetermined torque so that the pulled out part of the tape does not become slack. The binding tape 27 is given tension.

Next, the positioning device 23 is a device that positions the objects A to be bound and prevents them from shifting during binding in order to perform binding accurately and with good appearance. The worker places the objects A to be bound onto the vertical wall 2 of the bucket 19.
This can be done by pressing the paper against the paper and placing it there, but this device is provided because there is no positioning means in the transfer direction. The configuration of this positioning device will be explained using FIGS. 6 to 8. A cylinder device 36 is provided vertically, and a piston rod 36a is vertically extendable and retractable.A work stopper 37 is also provided to this piston rod 36a via a connecting member 36b, and its tip 37a is connected to a bucket 1.
It appears between 8 and Bucket 19. A silicone rubber 38 is fixed to this tip 37a to prevent the object A from coming into contact with it and damaging it. Further, a cylinder device 40 is also provided on the front side of the holding member 39 provided with this cylinder device 36. This cylinder device 40 also has a work stopper 41 provided with silicone rubber 38 at its tip, and its tip 41a is connected to the bucket 18 and bucket 1 by the expansion and contraction of the piston rod 40a.
It has been appearing since the age of 9. This is mainly to prevent slippage when the cut end of the tape is attached to the object A by an attachment roller 42, which will be described later.

A holding member 39 provided with these cylinder devices 36 and 40 is slidably attached to guide rods 43 provided on both sides of the machine base 1, and by turning an adjustment screw 44, the bucket ports 18 and 19 are moved.
Move in the forward and backward direction to move each workpiece stopper 3.
The protruding positions of 7 and 41 can be adjusted.

Next, the configuration of the bundling device 24 is shown in FIGS. 6 to 8.
This will be explained using figures. Pressing members 45, 46 are provided above the buckets 18, 19, respectively, and the pressing members 45, 46 are provided in sliding contact with bearings 47a provided on the support member 47 so as to be movable up and down. It is urged downward by springs 48 and 49. Note that a cushioning material 50 such as sponge is fixed to the lower end to prevent damage to the objects A to be bound. The cushioning material 50 may be made of a spring or the like in addition to a soft porous material such as a sponge, and further, a spring may be interposed between the sponge and the pressing members 45 and 46 to provide softer pressing. Also,
Pressing members 51 and 52 are also provided on the support member 47 on the front side of the transport of the buckets 18 and 19, and these pressing members 51 and 52 also slide into bearings 47b provided on the support member 47, and are pressed by springs 53 and 54. It is biased downward. Furthermore, a cushioning material 55 is fixed to the lower end.

The center portion of the support member 47 is fixed to a piston rod 57 of a cylinder device 56 provided vertically on the machine base 1, and as the piston rod 57 expands and contracts, the support member 47 moves up and down. Note that the support member 47 has a guide rod 58,
58 is provided vertically, and this guide rod 58 slides on the machine base 1 and guides the support member 47 so that it can move up and down reliably.

Next, the configuration of the binding device 25 that presses and cuts the rear end of the binding tape 27 wound around the object A will be described with reference to FIGS. 11 and 12. This binding device 25 consists of an upper head 59 and a lower stand 60, and the upper head 59 and the lower stand 60 are provided facing each other in the vertical direction, and cylinder devices 61 and 62 are connected to each of them to move them up and down. I am free to do so. In the upper head 59,
A cutting blade 63 for cutting the binding tape 27, a pressure bonding member 64, and a pressure bonding roller 65 are provided. This crimping member 64 presses the crimping table 66 fixed to the lower table 60 and crimps the binding tape 27 with the adhesive surfaces on the crimping table 66 aligned. It is pressed and biased. Further, the pressure roller 65 engages with a rotating body 69 of a tape holding device 68 provided on the lower stand 60, rotates the tape holding device 68, and furthermore, the pressure roller 65 engages with a rotary body 69 of a tape holding device 68 provided on the lower table 60, rotates the tape holding device 68, and furthermore, presses the binding tape on the tape reel 33 side after cutting the tape. The end portion 27a of 27 is attached to the rotating body 69. Here, the lower table 60 is provided with the above-mentioned crimping table 66 and tape holding device 68, and this configuration will be explained. The crimping table 66 is fixed to the side plate 70. Furthermore, a clamping member 71 that clamps the binding tape 27 to the rotating body 69 described above is also fixed to the side plate 70. moreover,
A support shaft 72 is provided on this side plate to rotatably hold the tape holding device 68 described above. This tape holding device 68 is provided with a rotatable rotating body 69 at the upper part, and further has a coil spring 73.
The tape holding device 68 is urged to rotate so that the rotating body 69 comes into contact with the clamping member 71. Further, a locking pawl 74 that is pivoted to the tape holding device 68 is engaged with the side surface of the rotary body 69 so that the rotary body 69
Engagement portions 75, 75, . . . for regulating the rotation of are provided. These engaging portions 75, 75... are provided at the same distance from the center of rotation of the rotary body 69 at predetermined angle intervals, and when the upper head 59 descends, the pressure roller 65 engages with the rotary body 69 to hold the tape. When the member 68 is rotated in the direction away from the clamping member 71 and the rotating body 69 is rotated at the same time,
It engages with the engaging claw 74 to restrict the rotation of the rotating body 69 so that it rotates only by the predetermined angle described above.

In addition, when automatically crimping and cutting tape with a device configured in this way, when binding spinach as the object to be bound A, for example, the machine is constantly operated during binding to prevent small leaves of spinach, mud, etc. from getting on the tape. Compressed air is blown out from a nozzle 76 provided on the stand 1.

When the binding tape 27 is crimped and cut with this binding device 25, the cutting is done at a position close to the crimping table 66, so the cut tape end 27b is the tape end held between the rotating body 69 and the holding member 71. 27c
This causes a positional shift and the adhesive surface on the end 27c side is exposed.

Next, the pasting roller device 26 uses the pasting roller 42 to move the end portion 27c of the binding tape 27, which has been wound around the object A to be bound and cut by pressure by the tape pressure cutting device 25 described above, onto the object A side. It is for adhesion. The configuration will be explained using FIG. 9 and FIG. 10. A cylinder device 78 is attached to the support member 47 of the bundling device 24 described above by a connecting member 77. This cylinder device 78 is attached so that a piston rod 79 can be extended and contracted in the forward and backward directions of transport of the buckets 18 and 19. A link device 80 is provided at the tip of the piston rod 79, and a sticking roller 42 is rotatably attached to the tip of the link device 80. This link device 80 is
It is held so as to return to a predetermined position by a spring (not shown), and since the tape end 27c is attached to the object to be bound A, when it climbs onto the object to be bound A, the force of trying to return to the original position Appropriate pressing force is applied to the tape end 27c so that the tape can be stuck. The machine base 1 is provided with a nozzle 81 as a direction changing device, and compressed air is blown from this nozzle 81 toward the back surface of the adhesive surface 27d of the tape end 27c. The adhesive surface 27d faces the object to be bound, and the sticking roller 42 binds the object to be bound A.
to ensure that it can be pasted securely.

The operation of the automatic binding machine configured as described above will be explained below.

First, a predetermined amount of the material A to be bound, such as spinach, etc.
Place it so that it is in contact with the And Bucket 1
8 and 19 are intermittently transferred by chains 10 and 11 into the automatic binding section 21. Then, the sensor 83 installed near the entrance detects the buckets 18 and 19.
It is confirmed whether or not there is an object A on top, and if there is, the tape winding device 22 is activated. This operation is performed by the piston rod 28 of the cylinder device 28.
a is shortened and the guide rollers 31 and 32 are moved to push the binding tape 27 forward. In this way, the binding tape 27 is attached to the object A.
Since it can be rolled without touching, even soft leafy vegetables such as spinach will not be damaged. Next, the bucket 18 on which the objects to be bound A were placed,
Move 19. At that time, the cylinder device 36 of the positioning device 23 has already been activated, and the piston rod 36a is extended to move the work stopper 37.
is made to protrude from between the bucket 18 and the bucket 19. Then, before the buckets 18, 19 move to predetermined positions, the objects A to be bound come into contact with the work stopper 37 and are pushed toward the rear walls 18c, 19c of the buckets 18, 19. Then, it is positioned between the workpiece topper 37 and the rear walls 18c and 19c. Furthermore, the pressing member 4 of the bundling device 24
5 and 46 descend, the object to be bound A becomes
Placement surface parts 18a, 19a of buckets 18, 19,
The sheets are held from all sides by the rear walls 18c and 19c, the workpiece stopper 37, and the pressing members 45 and 46, so that they are flattened. In addition, the work stopper 37 is
It also functions to prevent the objects A to be bound from shifting during binding. Next, the piston rod 28 of the cylinder device 28
a and return the guide rollers 31 and 32 to their original positions. Then, the binding tape 27 is separated from the guide rollers 31 and 32, and the motor 35 is activated to rotate the tape reel 33 and pull the binding tape 27 in the unwinding direction. As a result, the binding tape 27 is wound around the object A to be bound. The ends of the thus wound binding tape 27 are crimped and cut by the binding device 25 to bind the objects A to be bound. This binding device 25 connects an upper head 59 and a lower table 60 to a cylinder device 6.
1 and 62 to press and cut the binding tape 27 at the binding position by moving it from above and below. First, the upper head 59 and the lower stand 60 first come into contact with the crimping member 64 and the crimping table 66 to press the wound binding tape 27. Subsequently, the pressure roller 65 engages with the rotating body 67, and the tape holding device 68
is rotated to release the tape end portion 27c held between the rotating body 67 and the holding member 71, and at the same time, the binding tape 27 is cut by the cutting blade 63. At this time, the tape end 27c that was being held is longer than the cut tape end 27b, so the tape end 27c
The adhesive side of the will be exposed. When the crimping and cutting is completed, the upper head 59 and the lower stand 60 move in the direction of separation, and at the same time, the tape holding device 68 also rotates, and the tape reel of the cut binding tape 27 is held by the rotating body 69 and the clamping member. 33 side end 27a is held.

When this crimp cutting is completed, the work stopper 3
7 is lowered, the pressing members 45 and 46 are raised, and the buckets 18 and 19 on which the objects to be bound A are placed are moved forward. At that time, the cylinder device 40 is already in operation, the piston rod 40a is extended, and the work stopper 41 is projected so as to be located between the bucket belts 18 and 19.
Then, when the buckets 18 and 19 move to the predetermined positions, the objects to be bound A are separated from the work stops 41 and the rear wall 1.
8c and 19c, and the pressing member 5
1 and 52 are lowered and pressed from above, positioning and displacement prevention are achieved. Then, at the same time as the pressing members 51 and 52 descend, the sticking roller device 2
The cylinder device 78 of No. 6 will also be lowered,
At this time, the piston rod 79 of the cylinder device 78 is extended. When the cylinder device 79 is lowered, the piston rod 79 is shortened, and the sticking roller 42 rides on the object A, and at the same time, the end 2 of the binding tape 27 that is binding the object A.
The adhesive surface 27d of 7c is pressed against the object A side.
Then, the adhesive surface 27d will stick to the end 27c.
will be attached. In addition, before the sticking roller 42 moves, compressed air is blown from the nozzle 82 onto the back side of the adhesive surface 27d of the end 27c of the binding tape 27 so that it faces toward the object to be bound, so that it can be stuck securely. I have to.

When the end of the binding tape 27 is pasted by the pasting roller 42, the cylinder device 56 is activated to raise the pressing members 51, 52 and the pasting roller device 26, and the cylinder device 40 is further activated to move the work stopper 41 up. descend. Then, the buckets 18 and 19 are moved to carry out the bound objects A.

(Effects of the invention) The present invention is an automatic binding device that transports a predetermined bundle of soft vegetables such as spinach by a transport means and sequentially binds them using a binding tape. By pulling out the binding tape from the cord reel by the length that can be wound around the object to be bound in advance before the cord reaches the binding position, the force applied from the binding tape to the object to be bound during winding can be minimized. Therefore, the binding tape can be wound around even soft vegetables such as spinach to be bound without damaging them.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing an embodiment of the present invention, FIG. 2 is a perspective view showing the operation of the embodiment shown in FIG. 1, and FIG. 3 is an automatic The front view of the binding device, Figure 4 is the left side view of Figure 3,
Figure 5 is a sectional view taken along the - line in Figure 3, and Figure 6 is a
3 is a cross-sectional view taken along the line 3, FIG. 7 is a perspective view showing the positioning device and bundling device provided in the automatic bundling device shown in FIG. 3, and FIG. 8 is a perspective view showing the operation of the device shown in FIG. 7. 9 is a perspective view showing the sticking roller device provided in the automatic bundling device shown in FIG. 3. FIG. 10 is a perspective view showing the operation of the device shown in FIG. 9, and FIG. is an enlarged view showing one embodiment of the binding device, an enlarged view showing the operation of FIGS. 12 and 11,
Fig. 13 is a front view of a conventional automatic bundling device;
Figure 4 is the left side view of Figure 13, and Figure 15 is the left side view of Figure 1.
FIG. 3 is an enlarged view of the main part, and FIG. 16 is a front view of a conventional pasting device for pasting ends of tape windings. 18, 19...Bucket, 27...Binding tape, 28...Cylinder device (transfer means), 28a
... Piston rod, 31, 32 ... Guide roller, 68 ... Tape holding device.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) Conveying means for placing and transporting objects to be bound, and winding a binding tape around objects to be bound during transportation, overlapping the winding ends with the binding tape, and crimping and cutting. an automatic binding device comprising: a required number of guide rollers that support a binding tape stretched from a tape reel to a tape holding device of the binding device;
An automatic binding device further comprising a tape winding device provided with a moving means for moving the guide roller forward and backward in the conveyance direction of the objects to be bound. (2) The automatic bundling device according to claim 1, wherein the moving means is a cylinder device in which a piston rod expands and contracts in the direction of conveying the objects to be bound.