JPH10119920A - Tying device for vegetables, etc. - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely catch and fix the rear end of a tape, and also, make the joining of the tape a more perfect configuration by keeping the fixed state while resisting the tension by providing a pushing-in means which guides the leading end of the tape after a cutting to a gap between pressing pieces of a tape leading end fixing means. SOLUTION: A tape is placed under a state wherein the tape is spanned between two vertically movable bodies A, B, and a bucket in which vegetables, etc., are loaded, is transferred in a manner to go across the tape T to wind the tape T around a bundle of the vegetables, etc., in the bucket, and the leading ends of the top and the bottom tapes T are firmly pinched, pressed and fixed at a tape joining part 40. Then, by operating a cutting blade 63 of a tape cutting means, the tape T on the upper side is cut, and at the same time, the fixation of the leading end of the tape T is released, and the bucket is transferred. With slight delay from this motion, the leading end of the cut tape T is guided to a gap between the pressing pieces of a tape leading end fixing means of the vertically movable body B by a pushing-in piece 72 of a pushing-in means 70, and the leading end of the tape T is surely fixed again.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for automatically tying agricultural products such as vegetables, and more particularly to an apparatus for automatically tying several vegetables or the like one by one with a tape. Device that can be used.

[0002]

2. Description of the Related Art Conventionally, as this type of apparatus, there is, for example, Japanese Utility Model Application Laid-Open No. 55205/1989. The outline of the apparatus is as follows. A pair of elevating members provided so as to be reciprocally elevated by the elevating means above and below the transfer path, and upper and lower tape holding members and tape bonding members attached to the front and rear portions of these elevating members, respectively. And a cutting blade provided on one of the middles, opened and closed by opening and closing means, and holding the end of the tape, and a cutting blade provided on the other side and raised and lowered by the elevating means to cut the bonding tape, and a cut tape. And a pushing member for pushing the end between the holding means.

However, in such a conventional apparatus, (1) once the binding operation is completed and the rear end of the tape is cut, the apparatus cannot capture the leading end of the tape for the next binding operation. , Because the tape is not fixed,
Continuous work is interrupted. (2) The force for fixing the end of the tape is weak, and when the tape is pulled to be wound around vegetables or the like, the fixing state is released by the force, and the bundling operation does not work well. (3) When a tape wound with a bundle of vegetables or the like is joined, the joining tends to be incomplete, and the binding state tends to be unstable.

[0004]

SUMMARY OF THE INVENTION The present invention has been made based on such circumstances, and (1) reliably captures and fixes the rear end of the tape, and (2) resists tension. It is an object of the present invention to develop a bundling device that can maintain the fixed state and (3) can form the tape more completely.

[0005]

According to the present invention, a binding device is provided with a turning device for a bucket on which vegetables and the like are placed, a portal is erected on the rotating device, and two vertically movable members are raised and lowered on the portal. Arrange freely. (A) a tape feeding means for feeding a binding tape having a rotating drum;
(B) a tape clamping means for clamping the intermediate portion of the tape between the upper holding member and the pressing member biased by the tension of the lower spring; and (c) a tip of a link which linearly approximates upward. A holding plate is arranged, and an abutment plate which is pressed downward by the urging force of a spring with a tape interposed between the holding plate and the holding plate following the link,
A tape joining means for joining the upper and lower tapes between the holding plate and the contact plate, (d) a fixed pressing piece facing the middle upper portion of the lower elevating body, and a movable member which always receives a pressing force. (E) tape cutting means for cutting the tape tensioned between the tape holding means and the bucket; (f) tape cutting means for cutting the tape tensioned between the tape holding means and the bucket; Pushing means for guiding the tape tip between the pressing pieces of the tape tip fixing means.

In the above-mentioned binding device, there is provided a tape contact preventing means for preventing a contact between the upper and lower tapes by inserting a cover plate made of a material having good releasability between the two pressing pieces of the tape fixing means. Is desirable.

In order to operate the binding device, the two lifting members are initially separated vertically, and the ends thereof are fixed by the tape tip fixing means of the lower lifting member, and the tape feeding means of the lifting member is located on the upper side. And the tape is passed between the two lifting members.

When the bucket rotating device is operated to transfer the bucket on which the vegetables and the like are placed across the tape, the tape is wound around a bundle of vegetables and the like in the bucket having a gap. At this time, the binding tape wound around the rotating drum of the tape feeding means is pulled out to feed out a necessary tape.

When the upper and lower lifting members are raised and lowered to bring the upper and lower tails into contact with the head, a tape is provided between the upper holding member and the pressing member biased by the tension of the lower spring. Of the tape is fixed, and a part of the rear part of the tape is fixed. On the other hand, the tape tip fixing means of the lower elevating body strongly fixes the tape in a pressed state with the tip of the tape interposed between the fixed pressing piece and the movable pressing piece.

When the link of the upper elevating body is actuated, the operating rod moves approximately linearly, and the lower receiving plate follows, so that the upper and lower tapes are sandwiched between the holding plate and the contact plate. The two are completely joined by pressing as if they were narrowed down.

[0011] Next, the cutting blade of the tape cutting means is operated to cut the upper tape and release the tip of the tape, transfer the bucket, and feed the tape wound and joined bundle. At this time, if the upper and lower tapes come into contact with each other, there is a risk of sticking them. However, if a cover plate made of a material having high releasability is inserted by the contact preventing means, the contact between them can be prevented.

A little later than this, the leading end of the cut tape is guided between the pressing pieces of the tape leading end fixing means by the pushing means, and the leading end fixing means is operated to securely fix the leading end of the tape again.

When the elevating body is raised and lowered so as to be separated vertically, it returns to the initial state, and by repeating this operation, the continuous operation of binding is automatically performed.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The apparatus according to the present invention is provided with a swivel device 1 for swiveling a bucket on which vegetables such as leek, leek, spinach, and asparagus are mounted.
The elevating bodies A and B, which move up and down, are suspended from the gate pillars standing upright. The lifting / lowering bodies A and B include a tape feeding section 20, a tape holding section 30, a tape joining section 40, a tape tip fixing section 50, a tape cutting section 60, a tape tip pushing section 70, a tape A contact prevention unit 80 is provided.

First, as shown in FIG. 1, a bucket turning device 1 has three intermediate sprockets 2c disposed between a front sprocket 2a and a rear sprocket 2b, and a chain 3 is stretched between the sprockets. Along with
A reduction gear motor is connected to one of the sprockets, and the bucket 4 is attached to the chain 3 at an appropriate interval, so that the bucket 4 turns as the chain 3 rotates. Then, two gate posts 5, 6 are erected on the turning device 1 of the bucket, a beam is bridged therebetween, and the elevating bodies A, B are suspended from the beam. A gap is formed in the bucket 4 so that the tape is directly wound around vegetables or the like.

The elevating members A and B are vertically divided so that they can move up and down with respect to each other.
As shown in FIG. 1 and FIG. 2, a sprocket 11 connected to a speed reducer motor
And a single chain 13 is hung on the sprocket 11. And, at one end of the chain 13, the gate posts 5, 6
Is connected to the horizontal rod 14 connected to the guide member 15 along
The other end is connected with a horizontal rod 16 connected to a guide member 17 similarly along the gate post, and an elevating body A is disposed on the upper horizontal rod 14 and an elevating body B is disposed on the lower horizontal rod 16. . The elevating body A and the elevating body B move the chain 13 by rotating the reduction gear motor 12 in the normal and reverse directions, and move the elevating body A connected to the upper and lower ends of the chain 13 and the elevating body B connected to the lower end. Let me
The upper and lower positions are set at predetermined positions by sensors 18 and 19.
And the sensors 18 and 19 and the speed reducer motor 12 are electrically connected and automatically controlled.

Next, the tape feeding section 20 is shown in FIGS.
And a rotary drum 22 for winding the tape T around a holding member 21 protruding from a part of the horizontal rod 14 of the lifting / lowering body A. 2
3 and an intermediate roll 24, and an end roll 25 at the lower end of the elevating body A. An interlocking rod 26 is disposed between the holding member 21 and the step roll 23, and
Is moved downward about the shaft 21a, a part of which pushes the brake shoe 22a abutted on the rotary drum 22, thereby making it possible to adjust the feeding amount of the tape T. The tape T used for the binding is generally made of synthetic resin and coated with an adhesive on the inner side.
In the case where a heating device is added to a bonding portion described later, the bonding may be performed using a hot-melt resin without using an adhesive.

As shown in FIGS. 3 and 4, the holding portion 30 of the tape is provided with a holding member 31 at the lower rear end of the elevating body A, and a supporting body 32 having a vertical hole 32a formed in the elevating body B at the opposite position. And a pressing member 34 urged upward by a spring 33 is attached to the vertical hole 32a. That is, the tape T can be prevented from being fed out by the upward urging force of the spring 33 with the tape T interposed between the upper pressing member 31 and the lower pressing member 34.

As shown in FIGS. 3 and 5, the tape connecting portion 40 has a link 41 disposed at the front portion on the side of the elevating body A, and the link 41 has an input rod 43 connected to a solenoid 42 at the upper portion.
And the tip of the input rod 43 is fitted into the oblique groove 44a formed in the guide piece 44, the working rod 45 is connected to the tip of the input rod 43, and the intermediate rod 46 is disposed in the middle. The tip of the working rod 45, which is slightly tapered, is configured to make an approximately linear motion. Two links 41 are arranged side by side as a pair of left and right,
A holding plate 47 is provided between the two working rods 45. on the other hand,
The elevating body B has a working rod 4 tapered from the link 41.
5, a concave portion 48a to be fitted is formed, and the lower end is
A receiving plate 48 is mounted on the receiving plate 48. Further, a compressing spring 48c is built in the receiving plate 48, and an abutting plate 49 which is urged upward to come into contact with the holding plate 47 in a pressed state is provided. .
The tape joint 40 sandwiches the upper and lower tapes T between the holding plate 47 and the contact plate 49 between the operation rods 45, and
When the front end of the head moves in a linear approximation, the receiving plate 48 fitted thereto is driven, and a kind of squeezing action on the upper and lower tapes acts between the holding plate 47 and the contact plate 49 to completely join the two. .

The tape tip fixing section 50 is used to fix the tape tip when the tape T is joined by the tape joining section 40 as shown in FIGS. It belongs to the body B and comprises a pair of opposing pressing pieces 51 and 52, and one pressing piece 51 is fixedly disposed on the upper part of the elevating body B. The other pressing piece 52 faces the fixed pressing piece 51, and presses the shaft 5 so as to press it.
3, a horizontal arm rod 55 is disposed in a direction perpendicular to the vertical arm rod 54, and a head 56a of a solenoid 56 is disposed below the horizontal arm rod 55. The mechanism is such that the pressing force always acts on the pressing piece 52 while the electromagnetic force is acting on 56. Further, on the opposite side of the horizontal arm rod 55, a horizontal arm rod 57 for pushing back the pressing piece 52 is provided, and a solenoid 58 is provided below.

The tape cutting section 60 is shown in FIGS.
The movable arm 61 is axially attached to a part of the shaft 62 of the tape holding member 31 so as to face the lower middle of the elevating body A, and the leading end thereof has the leading end of the tape holding means 30 and the tape joining means 40. And a cutting blade 63 capable of cutting the tape T stretched therebetween. The movable arm 61 is connected to a solenoid 64 disposed on a portion of the elevating body A above the movable arm 61, and a connecting rod 65 that can move up and down is continuously provided. It is configured to be rotatable.

FIG. 9 and FIG.
Push arm 7 positioned below the movable arm 61
1 and bends into a U-shape, and a push-in piece 72 to be inserted in front of the fixed pressing piece 51 when the push-in arm 71 is moved downward. The pushing arm 71
As shown in FIG. 7, a connecting rod 73 fitted to a guide cylinder 74 is connected to the opposite side of the connecting rod 65 of the solenoid 64, and a spring 75 is built in the cylinder. The lower connecting rod 76 is inserted into the movable arm 61, and the lower connecting rod 76 goes through a hole 61 a formed in a part of the movable arm 61 and pushes a part of the connecting piece 77 with the pushing arm 71. Press and push arm 7
1 is configured to rotate about a shaft 62. Incidentally, 78
Is a return member for returning the pushing arm 71, a compression spring 78 a is interposed between the distal end and the pushing arm 71, and one end is attached to the movable arm 61.

Further, it is desirable to provide a tape contact preventing means 80 in front of the tape tip fixing portion 50. The tape contact preventing means that after cutting the tape, the upper tape and the tip fixing portion 50 behind the cut are pinched. This is to prevent the lower tape from contacting and sticking. As shown in FIGS. 11 and 12, the tape contact preventing means is mounted on the solenoid 56 on a shaft 82 at a bending point, the base end of which is connected to the upper part 56a of the solenoid 56, and the tip end is the fixed part. Bent cover plate 8 for covering the front part of the pressing piece 51
1 and 81 are formed of a material having high releasability such as a fluororesin, and when the solenoid 56 moves down, the cover plate 82 covers the front part of the pressing piece 51 to prevent the tape T from being joined. .

Next, the operation of the present embodiment will be described. Initially, the elevating bodies A and B are in an open state separated vertically, and a tape T for bundling vegetables or the like is fed out from the tape feeding section 20 attached to the elevating body A, and the end roll of the elevating body A is rolled. After 25, the leading end of the tape T is fixed in a pressed state by the pressing pieces 51 and 52 of the tape leading end fixing portion 50 of the elevating body B. Therefore, when the turning device 1 for the bucket is started, the bucket 4 turns with the turning of the chain 3 attached to the sprockets 2a, 2b, and 2c, and the tape T that has been longitudinally cut between the elevating bodies A and B is applied to the bucket T. 4 is wound around the gap.

At this time, the tape T is pulled in the lateral direction by the rotation of the bucket 4, but at the same time, the tape feeding section 20
Operates. That is, the tape T wound around the rotating drum 22 is pulled through the step roll 23 and the intermediate roll 24, and the rotating drum 22 rotates to draw out the tape T by the pulling force. At this time, if the withdrawal becomes excessive,
When the step roll 23 is lowered, the interlocking rod 26 moves the holding member 21 to the shaft 21.
The tape T is moved downward about the center a, and the brake shoe 22a abutting on the rotating drum 22 is pressed to suppress the tape T from being pulled out and adjust the tape T to an appropriate amount.

Next, the operation proceeds to the elevating movement of the elevating bodies A and B, the reduction gear motor 12 is started, the sprocket 11 is rotated, the chain 13 is moved, the upper elevating body A is lowered, and the lower elevating body is lowered. The body B is lifted, and the lifting motion is stopped at a position where the lower end of the lifting body A and the upper end of the lifting body B finally come into contact with each other. The setting of the upper and lower positions is performed by the sensors 15 and 16.
Is done automatically by

Next, when the elevating bodies A and B come into contact with each other,
The pressing member 34 attached to the vertical hole 32 a of the supporting member 32 of the elevating body B has a spring 33 against the holding member 31 at the lower end of the elevating body A.
The pulling force is applied to the upper side, and the tape T is sandwiched between the pressing member 31 and the pressing member 34, and serves to fix one end of the tape T at the time of joining the upper and lower tapes described later (see FIG. 3). ).

Next, the tape joining means 40 in front of the elevating bodies A and B is operated, and the solenoid 42 of the elevating body A is operated to move the input rod 43 downward.
When it moves along the oblique groove 44a formed in the middle, the working rod 45 ahead of it moves forward by being supported by the intermediate rod 46 that supports the middle, and this moves in a linear approximation. Then, the receiving plate 48 on the side of the elevating body B fitted to the operating rod 45 is driven, and the contact plate 49 mounted in the concave portion 48a of the receiving plate 48 is pressed by the built-in spring 48a, and Board 4
The tape T, which is provided with an adhesive on the inner side and sandwiched between the contact plate 7 and the contact plate 49, is pressed from above and below, and is narrowed down.
Thereby, a bundle of vegetables and the like is wound by the tape T and bound in a loop.

Next, the operation proceeds to the cutting of the tape, and when the solenoid 64 disposed in the middle of the elevating body A is operated, the connecting rod 6 is moved.
5, the movable arm 61 rotates about the shaft 62, and the movable arm 6
The first cutting blade 63 moves downward, and cuts the tape T that is stretched between the tape holding portion 30 and the bucket 4 (see FIGS. 7 and 8).

After the tape is cut, the tape tip fixing section 50, which has fixed the tip, operates to release the fixing of the tape T. That is, the solenoid 56 disposed on the elevating body B is turned off to release the pressing force of the pressing piece 52, and on the contrary, the solenoid 58 on the opposite side is turned off.
And the side arm rod 57 is rotated around the shaft 53,
The pressing piece 52 at the tip of the vertical arm rod 54 is separated from the pressing piece 51, and the tape is released (see FIG. 8). At the same time, the transport of the bucket 4 is started, the turning device 1 of the bucket 4 is started again, and the wound bucket 4 is transferred forward.

Next, with the transfer of the bucket 4, the cut upper tape T and the lower tape T pinched by the tape tip fixing portion 50 may come into contact with each other and stick to each other. The contact prevention unit 80 is operated. That is, when the solenoid 56 that has pressed the pressing piece 52 descends, the cover plates 81, 81 connected to the solenoid 56
2 and is inserted between the upper tape T and the lower tape T to prevent contact between the upper tape T and the lower tape T with a material having high releasability (see FIG. 12).

Next, the operation proceeds to the guide of the leading end of the tape, and when the solenoid 64 is operated at the time of cutting the tape, the connecting rod 73 on the opposite side is moved downward, pressing the spring 75, and the lower connecting rod ahead. 76 is moved down. At this time, the lower connecting rod 76 is slightly delayed by the action of the spring 75 from the rotation of the tape cutting blade 63.
When the connecting piece 77 is pushed down, the pushing arm 71 is moved down about the shaft 62, and the V-shaped pushing piece 72 of the pushing arm 71 moves the tip of the cut tape T downward. Of the tape into the fixing portion 5.
0 (see FIGS. 7 and 8).

When the solenoid 56 of the elevating body B is raised, first, the cover plates 81, 81 of the contact preventing portion 80 are moved.
Is turned to the opposite side and comes off. Then, the horizontal arm rod 55 connected to the solenoid 56 is lifted, and the vertical arm rod 54 is
3, the pressing piece 52 sandwiches the tape T guided by the tape tip pressing section 70 between the tape T and the pressing piece 51 on the fixed side, and fixes this in a pressed state.

Finally, when the lifting / lowering body A is raised and the lifting / lowering body B is lowered by operating the lifting / lowering mechanism 10 of the lifting / lowering body, the lifting / lowering bodies A and B are separated from each other to be in an open state and return to the initial state. By repeating this, continuous work is automatically performed.

In addition, when the tape of vegetables or the like is joined by the above-described apparatus, a protruding portion is naturally generated at the end (see FIG. 13).
It may complete the tying by hand or it may be mechanized with some device. Also, the object to be tied has been described mainly as a vegetable, but the present invention can be applied to other objects.

Based on the above configuration and operation, the present invention provides
After the binding operation is completed, the rear end of the tape can be guided to the tape fixing portion and can be reliably fixed, so that the continuity of the operation can be ensured and the efficiency is greatly improved. In addition, since one end of the pressing piece constantly presses the tape end, the fixing force is strong, and the fixing state can be maintained even if the tape is pulled, so that the binding operation is smooth and reliable. Further, the present invention is a very advantageous invention in which the joining portion of the binding is completed by the joining means using the link, and the binding is not released even in the subsequent operation.

[Brief description of the drawings]

FIG. 1 is a side view showing the entirety of the apparatus of the present invention.

FIG. 2 is a front view of a main part of the same.

FIG. 3 is a side view showing the whole of the elevating body.

FIG. 4 is a rear view showing the tape feeding section and the tape holding section;

FIG. 5 is a front view showing the same tape joining portion.

FIG. 6 is a front view showing a tape tip fixing portion and a tape cutting portion of the same.

FIG. 7 is a side view showing a tape tip fixing section, a tape cutting section, and a tape tip pushing section of the same.

FIG. 8 is a side view showing the cutting and pushing operation of the tape tip fixing section, the tape cutting section, and the tape tip pushing section of the same.

FIG. 9 is a plan view showing the same tape pushing unit.

FIG. 10 is a side view showing the tape pushing unit.

FIG. 11 is a plan view showing the tape contact preventing unit according to the third embodiment;

FIG. 12 is a front view showing the same tape contact preventing unit.

FIG. 13 is a side view showing a binding state of vegetables and the like.

[Explanation of symbols]

 Reference Signs List A lifting body B lifting body T tape 1 bucket turning device 2 sprocket 3 chain 4 bucket 5, 6 gate post 10 lifting mechanism 11 sprocket 12 reduction gear motor 13 chain 14 guide member 15, 16 sensor 20 tape feeding portion 21 holding member 22 rotating drum Reference Signs List 23 Step Roll 24 Intermediate Roll 25 End Roll 30 Tape Holder 31 Holding Member 32 Support 32a Vertical Hole 33 Spring 34 Pressing Member 40 Tape Joint 41 Link 42 Solenoid 43 Input Rod 44 Guide Piece 45 Working Rod 46 Intermediate Rod 47 Pressing Plate 48 Receiving plate 49 Abutment plate 50 Tape tip fixing part 51, 52 Pressing piece 53 Shaft 54, 55 Arm rod 56 Solenoid 57 Arm rod 58 Solenoid 60 Tape cutting part 61 Movable arm 62 Shaft 63 Cutting blade 64 Solenoid 65 Connecting rod 70 The Tip push portion 71 pushing arm 72 pushing piece 73 connecting rod 74 the guide tube 75 the spring 76 lower connecting rod 77 connecting piece 78 back member 80 tape contact preventive portion 81 cover plate 82 axis

Claims (2)

[Claims] 1. A turning device for a bucket on which vegetables and the like are placed is provided, and a gate post is erected on the turning device, and two upper and lower elevating members are disposed on the gate post so as to be movable up and down. (A) a tape feeding means for feeding a binding tape having a rotating drum, and (b) an intermediate portion of the tape between a pressing member biased by the tension of an upper holding member and a lower spring. (C) a pressing plate is disposed at the end of a link that linearly moves approximately linearly on the upper side, and a tape is interposed between the pressing plate and the lower side by following the link to form a spring. Arranging a contact plate pressed by the urging force, tape joining means to join the upper and lower tape between the holding plate and the contact plate,
(D) a tape tip fixing means for fixing the tip of the tape between a fixed pressing piece facing the middle upper portion of the lower elevating body and a movable pressing piece which always receives a pressing force; e)
Tape cutting means for cutting the tape tensioned between the tape holding means and the bucket, and (f) pushing means for guiding the cut end of the tape between the pressing pieces of the tape end fixing means. A binding device for vegetables and the like. 2. A vegetable or the like according to claim 1, further comprising a tape contact preventing means for preventing the upper and lower tapes from contacting each other by inserting a cover plate made of a material having high releasability between the two pressing pieces of the tape fixing means. Binding device.