JPH0811565B2 - Automatic packaging structure for vegetables and fruits - Google Patents

Description

Detailed Description of the Invention

[0001]

[Industrial applications]

The present invention relates to an automatic packaging structure for headed vegetables, fruits and the like, and more specifically, a headed vegetables, fruits configured to be twisted by twisting the open end of a packaging sheet wrapped with headed vegetables, fruits, etc. Etc. regarding the automatic packaging structure.

[0002]

[Prior art and its problems]

It is well known that lettuce, which is one of the headed vegetables, is packaged in cellophane or the like when it is put on the market.
It is the actual situation in the production farmer to sort out a large amount of lettuce at the time of shipment and at the same time package each one by hand, but this requires a great deal of manpower and many packaging It is difficult and uneconomical to secure the necessary personnel. Especially, lettuce, which is a fresh vegetable, requires a long time because many workers manually package each lettuce, although early shipment is desired.
Not only was it inefficient, but it was also a factor in increasing costs.

[0003]

[Means for solving problems]

Thus, in view of the problems in the present invention, the packaging material such as heading vegetables, fruits, etc. is placed in the central portion of the packaging sheet placed on the open shutter, and the interior of the chuck located below is placed. The chuck that is inserted together with the seat and is intended to hug the envelope with the seat intervening by closing the seat, and descends after the hug is completed, is that the shutter is located approximately above the top edge of the envelope. It is configured to stop when the above-mentioned check is stopped, and the shutter is closed at the time when the above-mentioned check is stopped, so that the sheet should be held at a position substantially above the top edge of the envelope, and then the chuck is rotated appropriately to hold the sheet. Twist the sheet below the part, and when the shutter is opened after twisting, the chuck further descends to a predetermined position, and after the chair is opened, it is tumbled sideways and wrapped in a sheet. Configured comprising heading vegetables to eject to a predetermined position, it exhibited automatic packaging structure of the fruit or the like, and the Mona's cost reduction with measuring the effort reduction growers.

[0004]

【Example】

Embodiments of the present invention will be described below in detail with reference to the drawings. Explaining the configuration of the chuck operating device A shown in FIG. 1, the chuck operating device A is mainly composed of a chuck 1, an operating portion 2, a twisting electric motor 3, an elevating cylinder 4, and the like. The chuck 1 is composed of a large number of chuck pieces 10, 10 ..., The chuck piece 10 is formed by a thin plate made of an appropriate elastic material (spring steel in this embodiment), but its shape is outside in side view. The base 11 has a pivot hole 12 formed in a curved shape in a bulged state. The support 15 has a large number of support grooves 16, 16 ...
Moreover, a ring groove 17 is provided along the peripheral surface, and the support groove 1
6 and 16 are fitted with the respective base portions 11 of the respective chuck pieces 10, 10 ..., and a proper ring 14 is inserted into the pivot hole 12 of the chuck piece base portion 11 fitted in the support groove 16 in a continuous state. The chuck piece 10 is pivotally attached at the ring groove 17 portion, and the chuck piece 10 is slidable inward and outward, that is, the chuck 1 can be opened and closed via an actuating body 26 described later. The supporting body 15 is connected to an operating cylinder 21 arranged in an operating portion 2 which will be described later, and is rotatably attached to the tip of an operating rod 22 which is vertically movable.

The operating portion 2 is mainly composed of an operating cylinder 21, an operating rod 22, an operating cylinder 23, a torsion gear shaft 24, and the like. A torsion gear shaft 24 having a hollow hole 25 formed in the axial direction is rotatably supported above the operating cylinder 23 via a bearing. The operating cylinder 21 is mounted on a mounting plate disposed in the operating cylinder 23, the rod of the cylinder 21 is connected to the lower end of the operating rod 22, and the operating rod 22 is loosely fitted in the hollow hole 25 to operate. With the movement of the cylinder 21, the hollow hole 25 is configured to slide in the vertical direction. The operating cylinder 23 is loosely fitted in an elevating cylinder 41, which will be described later, and is configured to be slidable inside the elevating cylinder 41.

An elevating cylinder configured to mount the elevating cylinder 4
As described above, the reference numeral 41 is slidably fitted in the operating cylinder 23 as described above, but a mounting plate 42 for mounting the lifting cylinder 4 is fixed to the upper part of the lifting cylinder 41. The rod of the lifting cylinder 4 mounted on the 42 is the operating cylinder.
It is connected to an elevating plate 43 arranged above 23. That is,
The operating cylinder 23 is configured to slide in the lifting cylinder 41 and move in the vertical direction by the operation of the lifting cylinder 4. Similarly, the twisting electric motor 3 is mounted at an appropriate position on the lifting plate 43, and the twisting gear meshes with the drive gear 31 wedged on the shaft of the electric motor 3.
32 is fixed to the twisting gear shaft 24, and is driven by the twisting electric motor 3 via the drive gear 31 and the twisting gear 32.
24 is configured to rotate. That is, the operating electric motor 3 and the like are configured to move simultaneously with the vertical movement of the operating cylinder 23.

An actuator 26 is mounted on the upper surface of the torsion gear shaft 24. The actuating body 26 has a tubular shape surrounding the chuck 1, and at least its upper half is made of an elastic material. With respect to the height and inner diameter of the operating body 26, when the operating cylinder 21 is operated and the chuck 1 is positioned upward through the operating rod 22 and is in the open state, the operating body 26 is located below the chuck pieces 10, 10 ,. So as to abut against the inner side of the upper edge of the chuck 1, and the chuck pieces 10, 10 ...
It is configured so that it is narrowed down by the inside of the and the chuck 1 is closed. At this time, at least the upper half of the actuating body 26 is made of an elastic material so that the chuck 1 is not overloaded even if the object to be wrapped is somewhat large. In this embodiment, a rubber material is used as the elastic material. However, a cylinder made of spring steel or the like having an arbitrary number of slits in the axial direction can be used, and the present invention is not limited to this embodiment. At a suitable position of the elevating cylinder 41, there is provided a tumbling drive shaft 50 protruding laterally, and the tumbling drive shaft 50 is rotatably supported by bearings 51, 51 attached to a frame. Further, the overturning drive shaft 50 constitutes a no-chamber overturning portion so that the overturning drive shaft 50 can be rotated by the overturning cylinder 55 through the arm 52 wedged to the shaft 50. That is, as shown in FIG. 3, when the tumbling cylinder 55 is operated, the tumbling drive shaft 50 is rotated via the arm 52 so that the chuck operating device A is tumbled laterally.

Next, the shutter 6 shown in FIG. 5 will be described.
The shutter 6 does not employ a special mechanism, but basically adopts the principle of a 5-blade shutter used in a camera or the like, but has a different application from that of a camera or the like. The purpose of the present invention is to converge the open end portion of the sheet, which spreads over the insertion opening of the package, to the central portion and hold it by each shutter piece 60. The shutter pieces 60, 60, which constitute the shutter 6, are composed of a base portion 61 and an arc-shaped portion 62, a long hole 63 is formed near the end of the base portion 61, and a circular hole 64 is formed inside the long hole 63 as appropriate. are doing. Further, the base portion of the arcuate portion 62 is pivotally attached near the inside of the circular hole 64 portion, and a compression spring is further provided between the back portion of the arcuate portion 62 and the base portion 61.
It is equipped with 65. That is, the inner surface of the shutter piece 60 is formed so as to follow the edge of the insertion opening 7 when the shutter 6 is in the open state, and when closed, an appropriate opening is left in the central portion. The arcuate portion 62, which is a main part of the shutter piece 60, is configured to have elasticity so as not to grip the seat more than necessary. The shutter 6 in this embodiment is composed of six shutter pieces 60,6.
A pin 67 projecting from a fixing plate 66 is fitted into a circular hole 64 formed in the base 61 and pivotally mounted rotatably, and a pin 69 projecting from a sector ring 68. Is a long hole 63
When the sector ring 68 is driven by the cylinder 70, the rotation of the sector ring 68 causes the pin 67 to be a shaft and the shutter 69 to be inserted through the pin 69 inserted in the long hole 63.
.. are operated to open and close the shutter 6. Incidentally, the sector ring 68 has a groove 71 formed on the circumferential surface,
By engaging a plurality of rollers 72 arranged on the fixed plate 66 with the recessed grooves 71, the rollers 72 can be received and rotated. In the present invention, a sheet feeding device (not shown)
Is arranged on the table, and the sheets stacked on the table are also configured to be supplied onto the shutter 6 or the envelope insertion opening 7. However, the sheet supply device is not special, It is a normal device that is usually used for this type of sheet supply.

[0009]

[Action]

Next, the operation of this embodiment will be described. A sheet feeding device (not shown) is driven to feed a cellophane sheet onto the insertion opening 7 on the shutter 6. Next, the object to be encapsulated 8 (lettuce in this embodiment) is inserted together with the sheet into the chuck 1 which is open from the insertion port 7, and the lettuce 8 presses the support 15 to activate the operating cylinder 21 and the operating rod. By lowering the support 15 through 22, the chuck pieces 10,1
When the outer surface of 0 ... Abuts against the inner side of the actuating body 26, the narrowing is performed and the chuck 1 is closed. At this time, the chuck 1 is located at the uppermost part, but when the chuck 1 is closed, the elevating cylinder 4 is activated after an appropriate time-up, and the chuck 1 starts to descend. The descending chuck 1 detects that the upper part of the top of the lettuce 8 held by it reaches the seat twisting position, that is, the position of the shutter 6 with any sensor and stops the chuck 1. When the chuck 1 stops, the cylinder 70 is activated to close the shutter 6, and the shutter 6 holds the open end of the sheet holding the lettuce 8 at the center. When the shutter 6 is closed, the twisting electric motor 3 is activated to rotate the actuating body 26 via the twisting gear shaft 24, and the chuck 1 in contact with the actuating body 26 is rotated for a predetermined time so that the lettuce 8 has an upper portion on its top side. Twist the seat. After the time of the twisting time is up, the shutter 6 is opened, and accordingly, the lift cylinder 4 is activated again and the chuck 1 is lowered again.
The falling cylinder 55 is activated by the opening of the chuck 1 that has descended to a predetermined position, and the chuck device A itself is laterally inverted via the arm 52, and the lettuce 8 is discharged to a predetermined position. After the discharge time is up, the tumbling cylinder 55 is activated again, the chuck device A is erected, and the elevating cylinder 4 is activated to ascend to the uppermost end. The above operation is repeated. At this time, when the shutter 6 is opened, a sheet feeding device (not shown) is operated to feed the sheet onto the opened shutter 6.

[0010]

【The invention's effect】

INDUSTRIAL APPLICABILITY As described above, according to the present invention, the encapsulated objects (lettuce 8) such as headed vegetables and fruits are placed in the central portion of the packaging sheet placed on the opened shutter 6 and the inside of the tier 1 located below is placed. The lettuce 8 should be held while the seat is inserted by inserting the seat together with the seat 1 by closing the seat 1, and the chuck 1 descending after the end of the holding is such that the shutter 6 is located substantially above the top of the lettuce 8. It is configured to stop when it is positioned, and when the chuck 1 is stopped, the shutter 6 is closed to hold the sheet at a position substantially above the top side of the lettuce 8, and then the chuck 1 is appropriately rotated. The seat is twisted below the gripping portion, and when the shutter 6 is opened after the twisting, the chuck 1 is further lowered to a predetermined position, and after the chuck 1 is opened, the seat 1 is tumbled sideways. Since it has an automatic packaging structure for heading vegetables, fruits, etc. configured to discharge the lettuce 8 packaged in a predetermined position, a conventional production farmer can manually select a large amount of lettuce at the same time as shipping. They were packaged one by one, but it was difficult and uneconomical to secure a large number of personnel for packaging. In particular, lettuce, which is a fresh vegetable, requires a lot of workers to wrap it one by one even though early shipment is desired, so it takes a long time, which is not only inefficient but also a factor of cost increase. However, by adopting the automatic wrapping machine according to the structure of the present invention, the operator only needs to insert the lettuce with the root upward so that the lettuce can be inserted into the chuck 1, and the rest is automatically performed from the wrapping to the discharging, thus improving the efficiency. Has a marked effect. Further, the packaging personnel need only be those who operate the machine, and it is not necessary to centrally secure a large number of packaging personnel, so that a significant cost reduction can be achieved. Moreover, since a large amount of lettuce can be packaged in a short time, more fresh lettuce can be shipped to the market. Moreover, the device of the present invention can be used not only for lettuce packaging but also for other headed vegetables and fruits. It has an extremely remarkable effect such that it can be used for packaging such as.

[Brief description of drawings]

FIG. 1 is a partially sectional side view of a device of the present invention.

FIG. 2 is a side view with a partial cross section for explaining a chuck.

FIG. 3 is a side view for explaining a chuck falling portion.

FIG. 4 is a side view with a partial cross section for explaining the timing of the shutter.

FIG. 5 is a partial cross-sectional plan view for explaining the shutter device.

[Explanation of symbols]

 A: Chuck actuating device 1 ... Chuck 2 ... Actuating part 3 ... Torsion motor 4 ... Lifting cylinder 6 ... Shutter 7 ... Inserting port 8 ... Encapsulation (lettuce) 10 ... Chuck piece 11 …… Base 12 …… Pivot hole 14 …… Ring 15 …… Support 16 …… Support groove 17 …… Ring groove 21 …… Working cylinder 22 …… Working rod 23 …… Working cylinder 24 …… Twisting gear shaft 25 …… Hollow hole 26 …… Actuator 31 …… Drive gear 32 …… Torsion gear 41 …… Lifting cylinder 42 …… Mounting plate 43 …… Lifting plate 50 …… Falling drive shaft 51 …… Bearing 52 …… Arm 55 …… Overturning cylinder 60 …… Shutter piece 61 …… Shutter piece base 62 …… Shatter piece arcuate portion 63 …… Oval hole 64 …… Round hole 65 …… Compression spring 66 …… Fixing plate 67 …… Pin 68… … Sector ring 69 …… Pin 70 …… Cylinder 71 …… Groove 72 …… Roller

Claims (1)

[Claims] 1. An object to be encapsulated such as heading vegetables and fruits is placed in the central portion of a packaging sheet placed on an open shutter and is inserted together with the sheet into a chuck located below.
The chuck is designed to hold the object to be encased with the seat intervening by closing the chair, and descends after the hugging.The chuck stops when the shutter is located substantially above the top edge of the object. In addition to the above structure, the sheet is to be grasped at a position substantially above the top side of the envelope by closing the shutter when the chuck is stopped, and then the sheet is rotated below the grasping portion by rotating the chuck appropriately. Twist, and after twisting, when the shutter is opened, the chuck further drops to a predetermined position, and the chair is opened and then tumbled sideways to discharge the wrapped object wrapped in a sheet to a predetermined position. Automatic packaging structure for vegetables and fruits.