JPH0466551B2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a bag placed over the outer periphery of a fruit, which is grasped by a clamp installed on the top side of a conveyor that conveys the fruit with the bag, and is removed from the fruit. The present invention relates to an improvement in a fruit bag removal device that removes bags from the outer periphery of the fruit by picking them up.

[Prior Art] In the above-mentioned fruit bag removal device, a clamp installed on the upper surface of the conveyor closes its clamping portions, and the bag with the bag placed on the upper surface of the conveyor is conveyed. When the paper bag covering the fruit is grasped from the outside of the fruit, if the paper bag is in close contact with the surface of the fruit, a mistake will occur in the operation of the clamp to grasp the top of the paper bag. Then, on the lower surface side of the conveyor, a pressure air is blown onto the paper bag covering the outer surface of the fruit being conveyed, at a position before the operating position in the conveyor direction in which the clamping part of the clamp grips the paper bag. A blower device is provided to lift the paper bag from the outer surface of the fruit, and the paper bag covering the fruit is lifted from the outer surface of the fruit before being subjected to the action of the clamp.
Measures are taken to allow the clamp to act on this floating paper bag.

[Problems to be Solved by the Invention] However, this method requires a process in which a paper bag is lifted from the outer surface of the fruit by an air blower and a process in which the clamp lifts the paper bag from the outer surface of the fruit during the conveyance process of the conveyor that conveys the fruit with the bag. Since the process of grabbing paper bags and the process of picking up paper bags are lined up in series in the conveyance direction, the entire conveyance process of the conveyor is lengthened to make the machine longer, and the external surface of the fruit is A paper bag that floats up from the top loses its posture while being conveyed to the position where it is held by the holding part of the clamp, and when it is held by the holding part of the clamp, it deviates from the holding position by the holding part, resulting in a pinching error. There is a problem that arises.

The present invention has been made to solve these problems that have arisen with the conventional means, and is characterized in that a blower device provided on the underside of the conveyor in order to lift the paper bag covering the fruit is provided with a clamp in the conveying direction of the conveyor. To provide a new means for wrapping the paper bag with the paper bag and causing the paper bag floating from the surface of the fruit to be blown up by the pressure of an air blower when the clamp is about to clamp the paper bag.

In the present invention, as a means for achieving this object, a paper bag that covers the fruit being conveyed by the conveyor is gripped by a pair of clamping parts that open and close on the upper surface side of the conveyor that conveys the fruit with the bag. A clamp is mounted on a rotary support that rotates in the conveying direction of the conveyor while moving upwardly from the upper surface of the conveyor, and a clamp is installed on the lower surface of the conveyor to apply pressure against the paper bag covering the fruit. A fruit bag removal device is proposed, characterized in that a blower device for blowing air is arranged and installed below the operating position where the clamp closes its clamping portion and grips the paper bag. It is.

[Example] Next, an embodiment of the present invention will be described in detail with reference to the drawings, in which the device of the present invention is combined with a stalk cutting device that cuts the stalk of a fruit into short lengths to create a stalk cutting and bag removing device. .

FIGS. 1 and 2 show an overall outline of a fruit stalk cutting and bag removal apparatus A in which the present invention can be carried out.

In the figure, a is a conveyor mounted on the machine frame 1, and a large number of sprockets 10 are installed at the upper and lower parts of both the front and rear ends of the machine frame 1 (the left and right ends in Figure 1). A pair of chains 11 are arranged in parallel on the left and right and mounted on shafts, and chains 11 are stretched endlessly between the sprockets 10, which are arranged in front and behind each other, so that the chains 11 are arranged in pairs on the left and right. , 11 (see Fig. 2), a large number of conveyor plates 12 are connected across the racks at intervals in the longitudinal direction, and each conveyor plate 12 has a fruit 2 to be placed on it. 20 stems of
A perforated fruit receiving seat 13 for exposing the fruit stems and the surrounding fruit stems to the lower surface side of the conveying plate 12
However, they are arranged in two rows on the left and right. The conveyor a is driven by a motor M mounted on the machine frame 1, and rotates in the direction of arrow A in FIG.

The fruit 2 is supplied to each conveyor plate 12 of the conveyor a on the rear end side of the machine frame 1 (the right end side in FIG. 1), which is the starting end of the conveyance stroke of the conveyor a.
In the process, a worker manually places each fruit 2 covered with a paper bag 3 in such a manner that its fruit stem 20 is located at the center of the perforated fruit receiving seat 13 provided on the conveyance plate 12. This is done by leaving it behind.

b is a paper bag 3 whose mouth part 30 is tied to the fruit 2 placed on the conveying plate 12 as a pretreatment when peeling the paper bag 3 from the fruit 2. It is a paper bag cutting device disposed on the lower surface side of the conveyance plate 12 so as to cut out the fruit 30, and the paper bag cutting device is arranged in pairs on the left and right to correct the posture of the fruit 2 by holding the opening 30 of the paper bag 3 together with the fruit stem 20 from the left and right sides. Opposing correction belts 40, 4
0, a paper bag gripping chuck 41 that grasps the mouth part 30 of the paper bag 3 corrected by the correction belts 40, 40 and pulls it downward while conveying it in synchronization with the conveyance operation of the conveyance plate 12, and the chuck 4.
a paper bag cutting knife 42 that acts on the mouth part 30 of the paper bag 3 moved in step 1 and cuts only the mouth part 30 of the paper bag 3, leaving the pericarp 20; and the mouth part 3 of the paper bag 3.
A pair of left and right conveyor belts 43, 4 convey the fruit stalk 20 exposed by the cutting of the fruit stem 20 in synchronization with the conveyor plate 12 while correcting it to a predetermined posture.
3, and a stalk cutting blade 44 that cuts off the protruding end of the stalk 20 while being conveyed by the conveyor belts 43, 43.

c is the above-mentioned paper bag cutting device b, which cuts the mouth part 3 of the paper bag 3.
This is a fruit stalk cutting device that cuts the fruit stalk 20 of the fruit 2 that has been subjected to the cutting process of 0 to short lengths. A nipper-shaped stalk cutting blade 50 provided to act on the stalk 20 of the fruit 2 exposed on the lower surface side through the cutter;
A moving device 51 that supports the stalk cutting blade 50 and moves it in synchronization with the moving direction of the conveyance plate 12; A rising guide 52 that can push the stem cutting knife 50 toward the center of the fruit receiving seat 13 of the conveying plate 12
and an opening/closing guide 53 for performing a cutting operation on the stem cutting blade 50.

d is a paper bag 3 whose opening part 30 has been cut and opened.
This is a blower device that blows pressurized air to separate the paper bag 3 from the outer surface of the fruit 2 before removing it from the outer periphery of the fruit 2.The clamp e, which will be described later, is used to remove the paper bag 3 from the outer surface of the fruit 2. 3
It is arranged on the lower surface side of the conveyor a corresponding to the position where the gripping operation is performed. The blower device d
In this embodiment, is a nozzle that communicates with a pressure source or compressor 61 via a pipe 60,
The pipe 60 has a fruit receiving seat 1 provided on the conveyor plate 12 of the conveyor a above the blower d.
A valve mechanism 62 is provided which opens at the timing when 3 is positioned.

Reference numeral e denotes a clamp disposed on the upper surface side of the conveyor a mentioned above, and is provided on the upper surface side of the conveyor a so as to rotate along the conveyance direction of the conveyor a while moving upwardly from the upper surface of the conveyor a. It is supported by a rotating support f.

The rotation support f is on the upper surface side of the conveyor a,
As shown in FIG. 3, the three rotating shafts 70, 71, 72 are arranged vertically on the front side of the conveyor a in the conveying direction, and one rotating shaft 72 is arranged vertically. A lower rotating shaft 71 of the two rotating shafts 70 and 71 at the front in the conveying direction
The machine frame 1 is arranged in a position slightly higher than that of the machine frame 1.
As shown in FIG. 3, sprockets 73 are mounted on the rotating shafts 70, 71, 72, respectively, and an endless chain 74 is attached to the sprockets 73, as shown in FIG. The three rotating shafts 70, 71, are stretched in a triangular shape so that the bottom side facing the upper surface of a faces toward the conveyance direction of the conveyor a and gradually moves away upward, and the base side thereof rotates in the conveyance direction. It is configured by driving one of the rotating shafts among the rotating shafts 72.

The clamp e, which is supported by the rotation support f, is attached to the aforementioned chain 74 by attaching a pair of opposing clamping arms 80, 80, respectively, to a link plate 74a of the chain 74. 7
5 so as to be freely rotatable left and right via a support shaft 81, and a spring 83 is applied to the pair of clamping arms 80, 80 in the direction in which the clamping parts 82, 82 at the tips thereof widen, and A roller 84 is pivotally supported at the base end extending beyond the support shaft 81, and the clamping arms 80, 80 are in contact with the roller 84.
Guide rails 85, 85 for closing the chain against the bias of the spring 83 are arranged inside the chain 74 and supported on the machine frame 1 by a support member 86. 74, the rollers 84 at the proximal ends of the clamping arms 80, 80 move toward the guide rails 85, 80 at the position where they have descended toward the fruit 2 on the conveyor a as indicated by the symbol in FIG. 85 and is pressed by the rails 85, 85,
The gripping parts 82, 82 on the tip side are closed together and act to grip the paper bag 3.

In addition, g indicated by a chain line in Figs. 3 and 4 indicates that the clamp e is closed by the pressure air blown from the above-mentioned blower d from the outer surface of the fruit 2 being conveyed by the conveyor a. The top of the paper bag 3 that is being blown up is held down within the gap between the clamping parts 82, 82 that are being brought together, and the top of the paper bag 3 is positioned within the interval between the clamping parts 82, 82 of the clamp e that is being closed together. A paper bag stopper is disposed on the upper surface side of the conveyor a so as to stop the conveyor a, and is located on the distal end side of the pair of clamping arms 80, 80 on the left and right sides of the above-mentioned clamp e, slightly closer to the proximal end than the clamping parts 82, 82. Plates 91, 91 which can be freely rotated up and down in FIG.
A pair of plates 91 are pivoted to face each other, and the protruding ends of the pair of plates 91 are abutted against each other and connected in a hinge-like manner by a connecting shaft 92. The paper bag stopper g may be constituted by a flexible band made of cloth or rubber, suspended between the left and right holding arms 80, 80 of the clamp e, or may be omitted.

In FIG. 1 again, h indicates that the fruit 2 placed on the conveyance plate 12 and conveyed is cut by the paper bag cutting device b.
A pressing conveyor is disposed on the upper surface of the conveyor a so as to press the fruit 2 against the upper surface of the conveyor plate 12 while the fruit 2 is being acted on by the stem cutting device c. At times, a pressing drum, j
is a paper bag discharge guide plate disposed at the position where the clamp e discharges the paper bag 3, and k is a guide gutter for guiding the discharged paper bag 3.

[Effects of the Invention] The fruit removing bag according to the present invention configured as described above is arranged on the upper surface side of the conveyor a for the bagged fruit 2 placed on the upper surface of the conveyor a and conveyed. When the provided clamp e acts to grasp the paper bag 3 covering the outer surface of the fruit 2 by closing the clamping parts 82, 82 of the clamp e, the paper bag 3 covering the outer surface of the fruit 2 paper bag 3
is floated toward the space between the clamping parts 82, 82 of the clamp e, which are being closed together, by the pressure air blown from the blower d disposed on the lower surface side of the conveyor a, and the clamping parts 82, 82 of the clamp e, 82 grabs the floating paper bag 3, so that the bag can be reliably removed from the fruit 2 by the clamp e.
The process of lifting the paper bag 3 by the blower d is now carried out smoothly, and the process of lifting the paper bag 3 by the clamp e and the process of lifting the paper bag 3 by the conveyor a
Since it will wrap in the conveyance direction,
The conveyor a can be shortened by the distance that the paper bag 3 is floated by the blower d, and the length of the machine frame can be shortened.

[Brief explanation of the drawing]

FIG. 1 is an overall schematic side view of an embodiment of the device of the present invention, FIG. 2 is an overall schematic plan view of the same device, FIG. 3 is a partially cutaway vertical sectional side view of the main parts of the same device, and FIG. FIG. 5 is a longitudinal sectional front view of the essential parts of the same device as above, and FIG. 5 is a sectional view taken along the line -- in FIG. 3. Explanation of drawing symbols, A... Bag removal device, a... Conveyor, b... Paper bag cutting device, c... Fruit stem cutting device, d...
Air blower (nozzle), e...clamp, f...rotating support, g...paper bag stopper, h...pressing conveyor,
i...Press drum, j...Paper bag discharge guide plate, k...Guidance gutter, M...Motor, 1...Machine frame, 10...Sprocket, 11...Chain, 12...Transport plate, 13...
Fruit receiver, 2... Fruit, 20... Fruit stem, 3... Paper bag, 3
0... Mouth portion, 40... Correction belt, 41... Paper bag gripping chuck, 42... Paper bag cutting knife, 43... Conveyance belt, 44... Fruit stem cutting blade, 50... Fruit stem cutting blade, 51... Moving device, 52... Rising guide , 53...
Opening/closing guide, 60...pipe, 61...compressor, 62...valve mechanism, 70, 71, 72...rotating shaft,
73... Sprocket, 74... Chain, 74a... Ring plate, 75... Mounting bracket, 80... Clamping arm, 81... Support shaft, 82... Clamping part, 83... Spring, 8
4... Roller, 85... Guide rail, 86... Support member, 90... Hinge, 91... Plate, 92... Connection shaft.

Claims (1)

[Claims] 1 A paper bag 3 is placed on the upper surface side of the conveyor a that conveys the fruit 2 with a bag, and is placed over the fruit 2 conveyed by the conveyor by a pair of clamping parts 82, 82 that open and close.
A clamp e for gripping the conveyor a is mounted on a rotating support f that rotates in the transport direction of the conveyor a while moving upwardly from the upper surface of the conveyor a. Paper bag 3 covering fruit 2
The present invention is characterized in that a blowing device d for blowing pressure air against the paper bag 3 is installed below the operating position where the clamp e closes its clamping portions 82, 82 and grips the paper bag 3. Fruit unbagging device.