JPS6151860B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a bag-removal stalk-cutting device for fruits with wrapped stalks that cuts off the stalks of fruits with wrapped stalks and removes the bag. .

When cultivating fruits such as pears and apples, in order to prevent the fruit from being attacked by pests and disease bacteria, or from wind, rain, and sunburn, the fruit is covered with a paper bag during cultivation, and the opening of the bag is secured with a fastener such as wire. It is tightened and fixed and supported on the peduncle.

When harvesting fruit, the fruit is separated from the fruit tree along with the bag as a fruit with a wrapped stalk, and then the stalk part of the fruit with a wrapped stalk is cut off again using a bag removal stalk cutting device. was being removed.

Conventionally, this type of de-wrapping and stalk cutting device for fruits with enveloped stalks places the fruit with enveloped stalks on a fruit conveying device with its stalk facing down, and disposes the fruit with its stalks below the fruit conveying device. Grasp the fruit stalk using a conveyor with a chuck.
The bag is moved while being pulled downward, and a rotary cutter rotating between a fruit conveying device and a conveyor with a chuck cuts off the fruit stalk, and then a blower device separates the bag from the fruit. It is configured.

Then, the conveyor with a chuck grips the stalk of the wrapped fruit with stalk and pulls the bag downward by a distance such that the bag does not sag against the peeled stalk side of the fruit. It is desirable to set it as follows. By pulling down the bag in this manner, the stopper can be pulled down to the lower position;
This prevents the rotary cutter from coming into contact with the stopper.

However, in the case of wrapped fruits with stalks, the bag has a size relative to the fruit, or the fruit has a size relative to the bag, and the distance that the bag can be pulled down is not constant depending on the size of the bag or the size of the fruit. First, in the conventional bag removing fruit stalk cutting device, there were problems such as the bag being pulled down too much more than necessary, causing damage to the fruit.

This invention was devised in view of the above-mentioned problems, and its purpose is to provide a bag removing fruit stalk cutting device that prevents the bag from being pulled down too much and does not damage the fruit. be.

In order to achieve the above-mentioned object, the present invention provides a fruit conveying device 5 for conveying the wrapped fruit 1 with the stalk 3 thereof protruding downward, and the fruit conveying device A chuck-equipped conveyor 9 is provided below the chuck 5 and moves in synchronization with the fruit conveying device 5 while grasping the fruit stem 3 with a chuck 7 and pulling it downward. The fruit conveying device 5
a sensing device 11 configured to be movable relative to the chuck 7 and configured to sense the tension on the stem 3 caused by the chuck 7;
and an adjusting device 13 for adjusting the relative movement of the chuck 7 with respect to the fruit conveying device 5 in order to adjust the distance by which the chuck 7 pulls down the fruit stem 3 based on the sensing by the sensing device 11. It is something.

Hereinafter, one embodiment of the present invention will be described in detail using the drawings.

FIG. 1 shows a harvested fruit 1 with a wrapped and stalked fruit, 15 is the fruit, 17 is a bag made of paper or the like that covers the fruit 15, 3 is the stalk part of the fruit 15, and 19 is the fruit 15. This is a fastening fitting such as a wire for fixing the bag opening portion of the covering bag 17 to the fruit stalk portion 3.

FIG. 2 shows an overall side sectional view of a bag removing and stem cutting device for cutting off the stem part 3 of the fruit 1 with a wrapped stem and removing the bag 17 from the fruit 15.
In FIG. 2, reference numeral 5 denotes a fruit conveying device, which conveys the wrapped fruit 1 with the stalk 3 thereof protruding downward. The fruit conveying device 5
is structured as follows. That is, 21
is a pair of two-thread endless chains, which are suspended from sprockets 25, 25, etc., which are rotatably supported at upper and lower positions on both sides of the machine frame 23, and rotate in the direction of arrow a in Fig. 2. . 27 is fixed to the endless chain 21 so as to have an appropriate interval between the two endless chains 21 (usually about 15 m/m).
The belt 21 is a strip belt, and the belt 21 is provided with a placing part 29 for placing the wrapped fruit 1 in a single section.

Reference numeral 9 denotes a chuck-equipped conveyor, which is disposed below the fruit conveying device 5.
It moves in synchronization with the fruit conveying device 5 while grasping the fruit stalk part 3 with a chuck 7 and pulling it downward. The chucked conveyor 9 is constructed as follows. That is, in FIGS. 4 and 5, 31 indicates the front and rear sprockets 33,
A chuck 7 is attached to the chain 31 via an elastic member 37 such as a leaf spring. The chuck 7 is provided below each placing section 29 of the fruit conveying device 5. The front sprocket 33 (on the right side in FIGS. 4 and 5) has a bearing member 41 fixed to the machine frame 23 with a fastener 39 such as a bolt.
The rotary shaft 43 is fixedly attached to the inner end of a rotary shaft 43, which is rotatably supported by the rotary shaft 43. Further, a drive pulley 47 is fixed to the outer end of the rotating shaft 43 and is rotationally driven via a transmission mechanism 45 such as a belt.
The rear sprocket 35 (left side in FIGS. 4 and 5) is rotatably supported by a shaft 51 fixed to the rear end of the support frame 49. The support frame 49 includes a fixed frame 55 whose front end is fixed to a support member 53 rotatably attached to the rotating shaft 43 and extends rearward, and a tension adjustment device 57 at the rear end of the fixed frame 55. It is composed of a movable frame 59 that is connected to the movable frame 59 so as to be movable and fixed in the front-rear direction through the movable frame 59. The tension adjustment device 57
This tensions the chain 31 by adjusting the distance between the sprockets 33 and 35.

The adjustment device 13 is configured as follows. That is, 61 is a vertical adjustment lever, which is pivotally connected via a shaft 65 to a support member 63 provided on the machine frame 23, with its tip end engaged with a support 67 provided on the fixed frame 55, and its rear end portion engaged with a support member 67 provided on the fixed frame 55. It is made to protrude from a vertical guide hole 69 bored in the machine frame 23.
By swinging the vertical adjustment lever 61 up and down about the shaft 65, the chuck conveyor 9 can be adjusted to move relative to the fruit conveying device 5 via the support frame 49.
The guide hole 69 is provided with a plurality of locking portions 71 for locking the vertical adjustment lever 61.
Each locking portion 71 is provided with a scale indicating the distance by which the chuck 7 of the chuck conveyor 9 pulls down the fruit stem 3.

Reference numeral 73 denotes guide rails provided on both sides of the chuck 7, which are provided so that the width becomes narrower in the direction of movement of the chain 31, and are configured so that the chuck 7 closes as the chain 31 moves forward. has been done.

A plurality of sensing devices 11, such as sensing switches, are mounted on the guide rail 73. The sensing device 11 detects an elastic member 37 that occurs when the chuck 7 pulls down the stem 3 by more than a predetermined amount.
The sensor is configured to sense the deflection of the sensor and generate a signal, and this signal activates an alarm device (not shown) such as a buzzer or lamp to alert the operator.

Reference numeral 75 denotes a rotary cutter, which is disposed at the terminal end of the chuck conveyor 9, rotates between the fruit conveying device 5 and the chuck 7 of the chuck conveyor 9, and is moved while being grabbed by the chuck 7. This is to cut off the fruit stalk part 3. The rotary cutter 75 is rotationally driven by a prime mover 77 such as a motor via a transmission mechanism 79 such as a belt.

Reference numeral 81 denotes a blowing device, which is arranged behind the rotary cutter 75, and is used to cut off the wrapped fruit 1 while moving on the fruit conveying device 5, cutting off the stem 3.
5 and 17, the bag 17 is blown away by wind pressure to separate the bag 17 from the fruit 15. 83
is a blower for blowing pressurized air to the blower device 81.

85 is a fruit pressing device, and the fruit conveying device 5
It is arranged above the fruit conveying device 5 to appropriately press down the wrapped fruit 1 with stem from above. The fruit holding device 85 is constructed by hanging a flat belt 91 around front and rear rotating bodies 87 and 89 which are rotatably supported on the machine frame 23, and the flat belt 91 is oriented in the same direction as the fruit conveying device 5. It is configured to rotate.

Reference numeral 93 is a fruit stem receiving box, which is disposed below the rotating cutter 75 and receives the fruit stem 3 cut off by the rotating cutter 75.

Reference numeral 95 denotes a prime mover such as a motor, which rotates the fruit conveying device 5, the blower device 81, and the chuck conveyor 9 through transmission mechanisms 97, 99, and 45 such as belts.

In the above configuration, each rotating part is driven by the prime movers 77 and 95, and the fruit 1 with the wrapped stalk is placed on the placing part 29 of the fruit conveying device 5 with the stalk part 3 facing down, and placed in the gap between the belts 27. When you insert it and put it on,
As the belt 27 advances, the wrapped fruit 1 moves with the stalk part 3 coming out under the belt 27. When the chuck 7 comes above the chuck conveyor 9, the chuck 7, which advances in synchronization with the fruit conveying device 5,
It is forcibly closed by the guide rail 73, grabs the stem part 3, and moves while being pulled downward. At the same time, the wrapped fruit 1 with stem is pressed downward by the flat belt 91 of the fruit holding device 85 that moves in the same direction as the fruit conveying device 5, and the fruit stem 3 is securely placed under the belt 27. It moves when pushed out. When the bag reaches the end of the chuck conveyor 9, the rotary cutter 75 cuts off the stem 3 together with the bag opening. Cut off stem part 3
falls into the lower peduncle receiving box 93. Next, the wrapped fruits 15 and 17 with the stem part 3 cut off
The fruit moves while riding on the fruit conveying device 5 and reaches the top of the blowing device 81, and the bag 17 and the fruit 1 are pushed away by the pressure air.
5 are separated, the fruit 15 remains on the fruit transport device 5 and the bag 17 is blown upwards.

In the unpacking and stem cutting work of the wrapped fruit 1 with a stem carried out in this way, when the chuck 7 of the conveyor 9 with a chuck pulls down the stem 3 gripped by a predetermined amount or more, the chuck 7 is removed. Deflection occurs in the supporting elastic member 37, and the sensing device 11 senses the deflection of the elastic member 37 and issues a signal, which activates an alarm device (not shown) such as a buzzer or lamp. Alerts the worker.

This alarm allows the operator to detect that the chuck 7 of the chuck conveyor 9 is pulling down the peduncle 3 too much. Therefore, the operator manually operates the vertical adjustment lever 61 of the adjustment device 13 to adjust the relative movement of the chuck conveyor 9 with respect to the fruit conveying device 5 via the support frame 49, so that the chuck 7 can lower the fruit stem 3. Adjust distance.

In addition, in the above-mentioned embodiment, the sensing device 11
An alarm device (not shown) is used to manually operate the adjustment device 13 to adjust the relative movement of the chucked conveyor 9 with respect to the fruit conveying device 5 in response to the alarm issued by the alarm device. However, the sensing device 11 is connected to a suitable control device, and this control device operates a prime mover such as a heater to automatically adjust the relative movement of the chucked conveyor 9 with respect to the fruit conveying device 5. It can also be configured as

FIG. 6 is a circuit diagram for operating lamp L ₁ or lamp L ₂ or buzzer B when sensing device 11 is operating. One sensing device 1
When 1 is activated, relay R ₁ or R ₂ is activated and the contact is activated.
When r ₁ and r ₂ are connected, lamp L ₁ or L ₂ lights up, and both sensing devices 11 are activated, a buzzer B sounds in addition to lamp L ₁ and lamp L ₂ .

The present invention is provided with a fruit conveying device for conveying a fruit with a wrapped stalk in a state in which its stalk protrudes downward, and the said fruit stalk is placed below the fruit conveying device by a chuck. A conveyor with a chuck is provided which moves in synchronization with the fruit conveying device while grasping and pulling the fruit downward, and at least the chuck of the conveyor with chuck is provided so as to be adjustable in relative movement with respect to the fruit conveying device. A sensing device is provided for sensing the tension of the fruit, and an adjusting device is provided for adjusting the relative movement of the chuck with respect to the fruit conveying device in order to adjust the distance in which the chuck is pulled down by the chuck based on the sensing by the sensing device. Because of this, it is possible to quickly detect if the chuck is pulling down the stalk part too much, and the distance the chuck is pulling the stalk part down can be adjusted to a predetermined distance. Damage to the fruit due to overspending can be prevented.

Note that this invention is not limited to the above-mentioned embodiments, and the invention can be implemented in modes other than the above-mentioned embodiments.

Further, although reference numerals are written in the claims section for convenient comparison with the drawings, the reference numerals do not limit the technical scope of the present invention.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, in which Fig. 1 is a front explanatory view of a fruit with a capsule and stem;
The figure is an overall side view of the bag removing fruit stalk cutting device according to the present invention, and FIGS. 3, 4, and 5 are front sectional views of main parts.
A side view and a plan sectional view, and FIG. 6 is a circuit diagram. (Explanation of symbols representing main parts of drawings), 1
. . . Fruit with wrapped bag and stem, 3 .

Claims (1)

[Claims] 1 A fruit conveying device 5 is provided for conveying the wrapped fruit 1 with the stalk 3 thereof protruding downward, and below the fruit conveying device 5, the fruit stalk 3 is transferred to the chuck 7. A chuck-equipped conveyor 9 is provided which moves in synchronization with the fruit conveying device 5 while grasping and pulling downward by the fruit conveying device 5.
a sensing device 11 configured to be movable relative to the chuck 7 and configured to sense the tension on the stem 3 caused by the chuck 7;
and an adjusting device 13 for adjusting the relative movement of the chuck 7 with respect to the fruit conveying device 5 in order to adjust the distance by which the chuck 7 pulls down the fruit stem 3 based on the sensing by the sensing device 11. A bag removing fruit stem cutting device characterized by the following.