JPH0840414A - Vegetable packing apparatus - Google Patents

Abstract

PURPOSE:To reliably separate an unnecessary film part from a heater of a film binding mechanism to reliably discharge it to a side, prevent the unnecessary film part from interfering with a binding seal of a next film and prevent the unnecessary film part from scattering around the binding seal. CONSTITUTION:A film supply mechanism 52 for supplying a film F for wrapping is provided on a side of a supporting body 4. A vegetable receiver 47 for receiving a head-like vegetable A dropping while drawing the film F from a guide hole 6 is provided below the guide hole 6 of the supporting body 4. A film binding mechanism 38 for gathering the film F on the vegetable receiver 47, bind-sealing a gathered part of the film F wrapping the vegetable A and melt- cutting the unnecessary film part is provided so that it can be freely opened/ closed. The unnecessary film discharging means 65 for discharging the unnecessary film part f3 melt-cut by the film binding mechanism 38 to a side is provided facing a bind-sealing part of the film binding mechanism 38.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vegetable wrapping apparatus, and more particularly, to a vegetable wrapping apparatus for automatically wrapping a headed vegetable such as lettuce or cabbage with a film.

[0002]

2. Description of the Related Art Conventionally, as a vegetable packing device of this type,
For example, a vegetable receiver for receiving headed vegetables from the guide hole is provided in the lower part of a support plate having a guide hole, and a film bundling mechanism for bundling a packaging film is provided in the upper part of the vegetable receiver to support the support. A synthetic resin film is stretched on the plate, and the heading vegetables are dropped and supplied from the guide hole through the film onto the vegetable receiver, and the films are collected by the film binding mechanism to package the heading vegetables. There has been proposed a structure in which a film condensing unit that collects films is united and sealed.

[0003]

In the above-mentioned conventional vegetable packaging apparatus, since it is necessary to manually stretch the film on the support plate every time the heading vegetables are packaged with the film, it is troublesome, and The film bundling mechanism retracts this film bundling mechanism from the bundling seal part of the film after bundling and sealing the bundling part of the film in which the vegetables are wrapped, but at this time, it is unnecessary to separate it from this bundling seal part. While the film part is easily retracted from the film bundling seal part while being attached to the heater of the film bundling mechanism, the unnecessary film part and the unnecessary film part fused by the heater are easily scattered around the film bundling seal part, Therefore, if the unnecessary film part moves backward while attached to the heater, this unnecessary film part will bind the next film. Becomes an obstacle to Le, not preferable working environment in a case where unnecessary film portion is scattered around the bundling seal portion of the film, requires labor to the scattered unnecessary film portion of the cleanup, there is a problem that.

Therefore, the present invention has been made in view of the above problems, and ensures that the unnecessary film portion melted and cut by binding and sealing the narrowed portion of the film in which the bulb vegetables are packaged is securely fed from the heater of the film binding mechanism. It can be separated, and this unnecessary film part can be reliably excluded on one side,
This unnecessary film portion can be surely prevented from becoming an obstacle to the binding seal of the next film, and the unnecessary film portion can be surely prevented from being scattered around the binding seal portion of the film, and therefore preferable in working environment. An object of the present invention is to provide a vegetable packaging device in which the unnecessary film portion can be easily cleaned up.

[0005]

According to another aspect of the present invention, there is provided a vegetable packing apparatus, wherein a support body having a guide hole for guiding the fall of headed vegetables and a guide hole provided on one side of the support body to close the guide hole. A film supply mechanism for supplying a film for packaging on the support, a vegetable receiver provided at the lower part of the guide hole of the support and receiving heading vegetables descending while pulling out the film from the guide hole; A film bundling which is provided between the vegetable receiver and the support so as to be openable and closable, and which squeezes the film on the vegetable receiver to bind and seal the narrowed portion of the film packaged with the bulb vegetables to melt and cut the unnecessary film portion. And a means for removing unnecessary film on one side, which is provided so as to face the binding seal portion of the film binding mechanism and removes the unnecessary film portion melted by the film binding mechanism. The unnecessary film portion which is blown by the film cohesion mechanism at main film removing means toward one side is obtained so as to eliminate intensively.

A vegetable packing apparatus according to a second aspect is the vegetable packing apparatus according to the first aspect, wherein the unnecessary film removing means is an air nozzle for ejecting air toward the binding seal portion of the film binding mechanism. Air is ejected toward the unnecessary film portion melted and cut by the film binding mechanism, and the unnecessary film portion is forcibly removed by this air.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the accompanying drawings.

[0008] 1 is a vegetable packaging device, this vegetable packaging device 1
The main pillars 2 are erected at predetermined intervals in the front, rear, left and right,
Posts 3 are horizontally fixed between the upper ends of the front and rear main columns 2, between the lower ends, and between the upper end portions, and between the upper ends of the left and right columns 3, a support top plate 4 as a support is provided. Are horizontally fixed, and the support substrate 5 is horizontally fixed between the upper end vicinity portions of the left and right columns 3.

The support top plate 4 is made of synthetic resin and has a large number of concave portions and a large number of protrusions on its upper surface for developing and supporting a film F, which will be described later, so as to reduce the contact surface with the film F. A mesh-shaped support surface is formed by
A circular guide hole 6 for lowering vegetables is formed at a substantially central portion of the support top plate 4 so as to vertically penetrate therethrough.

A pair of guide rails 7 are fixed in parallel in the front-rear direction through the guide holes 6 at the intermediate portions on the lower left and right sides of the support top plate 4, and the front-rear and left-right guide rails 7 are attached to the guide rails 7. One plate-like slide body 9 is inserted through the guide 8 of
It is attached so that it can move back and forth in the front-back direction.

This one slide body 9 is formed of a plate-like member in a substantially rectangular shape in a plan view, and a converging recess 10 is formed in an intermediate portion of an inner end portion of the guide hole 6 toward the lower portion. The converging concave portion 10 is formed by a widening inclined portion 11 at the opening end and a V-shaped portion 12 continuous inside the widening inclined portion 11.

A pair of guide rails 13 are fixed to the upper left and right sides of the support substrate 5 in parallel with the front-rear direction, and the other plate-shaped guide rails 13 are provided on the left and right guide rails 13 via front-rear and left-right guides 14. The slide body 15 is attached to the guide hole 6 at the other side portion in the front-rear direction so as to be movable back and forth in the front-rear direction.

The other slide body 15 is formed of a plate-like member in a substantially rectangular shape in a plan view, and left and right side plates 16 continuously provided at the lower left and right ends of the slide body 15 support the left and right guides 14. A focusing recess 18 is formed in an intermediate portion of an inner end portion of the other slide body 15 which is fixed to the frame 17 and faces the lower portion of the focusing recess 10 of the one slide body 9, and the focusing recess 18 has an opening end. It is formed by a widening inclined portion 19 of the portion and a V-shaped portion 20 continuous inside the widening inclined portion 19.

The inner portion of the other slide body 15 and the inner lower portion of the one slide body 9 overlap each other.

Further, the focusing concave portion of the one slide body 9
A narrowing portion of the film F is sandwiched from both sides via brackets 21 at the lower inner end of the V-shaped portion 12 and the lower inner end of the V-shaped portion 20 of the converging recess 18 of the other slide body 15, respectively. A heater 22 is attached which binds or heat seals.

Further, a rack 23 is formed in the front-rear direction at the lower part of one end of the one slide body 9 in the left-right direction, and the rack 23 is formed on the support frame 17 at the one end of the other slide body 15 in the left-right direction. A rack 24 facing the rack 23 at a predetermined interval is formed in the front-rear direction. A pinion 25 is rotatably engaged between the upper and lower racks 23, 24, and the pinion 25 is rotatably attached to a boss 26 projecting from the lower portion of the support top plate 4 via a pinion shaft. It is supported.

Further, a cylinder device 27 is fixed to one upper part in the left-right direction of the support substrate 5, and one end of an interlocking piece 29 is fixed to a tip end portion of a piston rod 28 of the cylinder device 27. A support frame 17 having the rack 24 is connected to the other end of 29.

When the piston rod 28 is expanded and contracted by the operation of the cylinder device 27, the front and rear slide bodies 9, 15 are passed through the pinion 25 and the racks 23, 24.
Are relatively moved forward and backward in the front-rear direction, and the converging concave portions 10 and 18 at the inner ends facing each other are opened and closed immediately below the guide hole 6.

Next, a mounting base 30 is fixed to the upper middle portion of the outer end of the supporting substrate 5 on one side in the front-rear direction.
The right and left rotation center shafts 31 projecting from the left and right upper portions of the base 30 are provided with a base of an opening / closing rod 32 which is located below the other slide body 15 and above the heater 22 for opening and closing. The ends are pivotally attached so that they can be opened and closed in the left-right direction.

In addition, cams 33 that bulge inward are formed on the inner sides of the base ends of the left and right opening / closing rods 32 that face each other, and the insides of the tip ends of the left and right opening and closing rods 32 that face each other. Converging protrusions 34 are formed on the portion so as to bulge toward the front end side. The left and right focusing protrusions 34 are joined to the lower portions of the front and rear slide bodies 9 and 15 just below the guide holes 6 when closed. Has become.

The left and right opening / closing rods 32 are opened and closed on the left and right portions of the lower middle portion of the outer end of the one slide body 9.
Operating pin 35, second operating pin 36 and third operating pin 37
And the first to third actuation pins 3 on the left and right
The left and right opening / closing rods 32 are opened / closed by 5, 36, 37. When the left / right opening / closing rods 32 are opened, the base thereof is the first to third operating pins 3
It is supported by three points: 5, 36 and 37.

The front and rear slide bodies 9 and 15, the front and rear heaters 22 and the left and right opening and closing rods 32 are used to form the film F.
The film bundling mechanism 38 is configured to squeeze the squeezed to wrap the heading vegetables and tie the squeezed portion of the film F to a tie seal to melt and cut the unnecessary film portion.

Next, bearing members 39 are fixed to the upper and lower portions on one side in the left-right direction of the supporting substrate 5 and a mounting substrate (not shown) at the lower end portion disposed below the supporting substrate 5. A vertical screw rod 40 is rotatably erected and supported between the upper and lower bearing bodies 39.

The lower end of the screw rod 40 has the screw rod 40.
An electric motor (not shown) that rotates in the forward and reverse directions is interlockingly connected. Further, bearing bodies are fixed to the upper and lower portions of the front and rear of the upper and lower bearing bodies 39, and guide struts (not shown) are erected between the front and rear and upper and lower bearing bodies. It is arranged parallel to the screw rod 40.

A series of screw grooves 41 are formed in the screw rod 40 in the vertical direction, and a nut body 42 is screwed and supported in the screw groove 41 so as to be vertically movable. The body 43 is integrally fixed, and the connecting frame 44 of the lifting body 43
Guides projecting from the front and rear portions of the guide are vertically movably inserted into the guide support rods.

An insertion hole 46 is vertically penetrated through a horizontal elevating support plate 45 projecting from the inside of the elevating body 43. Then, the lifting body 43 having the lifting support plate 45
Is rotated by the rotation of the screw rod 40 through the nut body 42, and is guided and supported by the front and rear guide support rods to be moved up and down with respect to the guide hole 6.

A vegetable receiving body 47 is attached to the elevating and lowering support plate 45 of the elevating body 43, the vegetable receiving body 47 is formed in a cylindrical shape, and an annular supporting portion 48 is formed at the upper edge of the opening. A tapered hollow insertion portion 49 inserted into the insertion hole 46 of the elevating and lowering support plate 45 is projected at the bottom portion thereof, and the upper edge of the insertion portion 49 has the upper edge of the opening of the insertion hole 46 at the outer peripheral portion. The locking portion 50 locked to the portion is formed horizontally.

The vegetable receiving body 47 is moved up and down with respect to the guide hole 6 by the raising and lowering operation of the raising and lowering body 43.
The support substrate 5 has a guide port for guiding the lifting and lowering of the vegetable receiver 47.
51 is opened.

Next, a film supply mechanism 52 for supplying a packaging film F onto the support top plate 4 so as to close the guide hole 6 is provided at an upper part of one side of the support top plate 4. . In the film supply mechanism 52, a bracket 53 is vertically erected and fixed on the upper end of one end of the support top plate 4 in the front-rear direction, and the film F is drawn out between the upper ends of the left and right brackets 53. A payout shaft 54 is rotatably supported by a bearing body 55, and a film roll 56, which is obtained by winding the film F in a roll shape, is rotatably supported on the payout shaft 54.

A perforation roller 57 is horizontally rotatably supported by a support shaft 57a in the vicinity of the inner lower ends of the left and right brackets 53, and a predetermined space is provided on the outer peripheral portion of the perforation roller 57 in the axial direction. A large number of needle-shaped perforation protrusions 58 for perforating small holes are radially provided on the film F.

Guide rollers 59 and 60 are horizontally rotatably supported by a support shaft in the vicinity of the inside of the perforation roller 57 so as to be vertically opposed to each other.
The film F is inserted and held between 59 and 60, and the upper and lower guide rollers 59 and 60 guide the feeding of the film F.

Further, a film pressing body 61 is fixed on the supporting top plate 4 near the inside of the upper and lower guide rollers 59, 60, and a cutter 62 for cutting the film F is moved up and down on the film pressing body 61. It is movably installed. The cutter 62 is operated by an operating mechanism (not shown).

Further, a film pull-out mechanism 64 having clamps 63 for detachably supporting the left and right side portions of the film F is provided on the left and right upper portions of the support top plate 4 so as to be movable back and forth in the front-rear direction. A drive mechanism (not shown) is operated via a guide (not shown).

Next, an unnecessary film portion, which has been blown by the heater 22 of the film binding mechanism 38, is exposed above the one slide body 9 of the film binding mechanism 38 so as to face the focusing recess 10 of the slide body 9. An air nozzle 65 is provided as an unnecessary film removing means for removing the film on one side. Thus, the focusing concave portion 10 of the one slide body 9 is
Is a binding seal portion for narrowing and binding the film F together with the focusing concave portion 18 of the other slide body 15 and the focusing projections 34 of the left and right opening and closing rods 32.

Next, the operation of the above embodiment will be described.

When the screw 40 is rotated by operating the electric motor,
The elevating / lowering body 43 suspended by the screw rod 40 is raised, and the vegetable receiver 47 on the elevating / lowering body 43 is arranged immediately below the guide hole 6 of the support top plate 4, and the vegetable receiver 47 is attached to the headed vegetable A. Prepare for receipt.

Then, the film supply mechanism 52 is operated,
The left and right clamps 63 of the film drawing mechanism 64 support the left and right parts of the film F which are projected inwardly from the upper and lower guide rollers 59 and 60, and the film drawing mechanism 64 moves to the other side along the guide. When it is moved toward, the film F of the film roll 56 supported by the left and right brackets 53 via the feeding shaft 54 is pulled out via the perforation roller 57 and the upper and lower guide rollers 59 and 60.

In this case, the film F is pulled out in the lateral direction from the upper side through the perforating roller 57 and the guide rollers 59 and 60 in the lower portion, so that the film F is perforated by the perforating roller 57.
Is rotated through each of the perforation protrusions 58, and the perforation protrusions 58 form a large number of needle holes in the vertical and horizontal directions on the substantially entire surface of the film F at predetermined intervals.
Is automatically perforated, and is therefore drawn out from between the guide rollers 59 and 60 as a film F having a large number of ventilation holes 66.

Then, the film pull-out mechanism 64 is moved to a predetermined position and stopped, and the cutter 62 is operated. The cutter 62 lowers the film F onto the film pressing body 61 and pulls out the film F at a predetermined position. Was cut by, and
The support of the film F by the left and right clamps 63 is released, and the pulled-out film F is expanded and supported on the support top plate 4 with the guide holes 6 of the support top plate 4 closed. In this case, the film F is placed on the supporting top plate 4.
It is supported without being in close contact with the supporting surface portion having a small contact surface with.

Next, when heading vegetables A such as cabbage, Chinese cabbage, lettuce are supplied to the guide holes 6 of the supporting top plate 4 which are closed by the film F, the heading vegetables A are fed into the film. While pulling out the film F from the supporting surface portion together with F, the film F is lowered from the guide hole 6 and received on the annular supporting portion 48 of the vegetable receiver 47 standing by under the guide hole 6.

The heading vegetable A is stably received on the support portion 48 through the film F as shown by the chain line in FIG. In this case, since the film F is not in close contact with the supporting surface portion, the film F is smoothly pulled out from the supporting surface portion as the heading vegetables A fall.

Then, when the electric motor is operated, the screw rod 40 is interlockedly rotated, and is guided along the screw rod 40 via the nut body 42 and to the front and rear guide support rods, and the lifting body 43 and this lifting body. The vegetable receiver 47 on 43 is lowered, the headed vegetable A is lowered below the guide hole 6, and the film F between the annular support portion 48 of the vegetable receiver 47 and the headed vegetable A is the headed vegetable A. As it is lowered, it is supported by the heading vegetable A and smoothly drawn out from the support surface portion and the guide hole 6.

Then, as shown in FIG. 4, when the upper part of the headed vegetable A is lowered to a predetermined position of the film binding mechanism 38,
The operation of the electric motor is stopped, and the descending operation of the headed vegetable A by the elevating body 43 is stopped.

When the operation of the electric motor is stopped, the cylinder device 27 is actuated, the piston rod 28 is extended, and the piston rod 28 causes the interlocking piece.
The other slide body 15 having the rack 24 is interlocked via 29, and the other slide body 15 is moved rearward along the guide rail 13 via the plurality of guides 14.

When the other slide body 15 is moved by the cylinder device 27, the other slide body 15 is moved.
The pinion 25 meshed with the rack 24 of 15 is rotated, one slide body 9 is interlocked via the rack 23 meshed with this pinion 25, and the one slide body 9 is guided by the guide rails 7 through the plurality of guides 8. Is moved forward along.

Then, the front and rear slide bodies 9 and 15 are moved toward each other directly below the guide hole 6 in the mutually close directions, and the converging concave portions 10 and 18 on the inner side of the front and rear slide bodies 9 and 15 are opposed to each other. The front and rear portions of the film F that wraps the heading vegetable A on the head of the heading vegetable A are moved forward and backward by the diverging inclined portions 11 and 19 and the V-shaped portions 12 and 20 of the front and rear focusing concave portions 10 and 18 which are superposed on each other. It is narrowed down sequentially from the direction.

Further, as described above, one slide body 9
Is moved forward, the first to third actuating pins 35, 36, 37 of the one slide body 9 cause the left and right opening / closing rods 32 to gradually close inward about the rotation center shaft 31. Direction, the focusing projections 34 on the inner side of the left and right opening and closing rods 32 are gradually brought closer to each other, and the focusing projections 34 on the left and right make the heading vegetables A above the heading vegetables A.
The right and left portions of the film F that wraps the film are squeezed sequentially from the left and right direction.

Therefore, as shown in FIG. 5, the peripheral side portion of the film F for packaging the headed vegetable A is the support portion of the vegetable receiver 47.
The focusing concave portions 10 and 18 of the front and rear slide bodies 9 and 15 and the focusing protrusions 34 of the left and right opening and closing rods 32 are used to narrow down substantially at the same time from the front and rear and the left and right directions via the heading vegetables A on the 48 side of the film F. The portion is squeezed into a rod shape on the top of the headed vegetable A.

Further, the upper portion of the film F is narrowed down into a rod shape, and the heaters 22 of the front and rear slide bodies 9 and 15 contact the rod-shaped narrowing portion f ₁ from the front and rear direction, and the front and rear heaters. The stick-shaped narrowed portion f ₁ is flatly heat-sealed and bound and sealed by pressing and holding by 22 and an unnecessary film including the stick-shaped narrowed portion f ₁ above the flat sealed portion f ₂ The part f ₃ is blown.

As a result, the heading vegetable A has a large number of ventilation pores.
The film F having 66 is wrapped so as to cover the whole.

Next, when the film F is heat-sealed, the piston rod 28 of the cylinder device 27 is contracted,
The one slide body 9 and the other slide body 15 are slid outward in the directions away from each other in the direction opposite to the case where the film F is bound and sealed, and the respective focusing recesses 10 and 18 are opened, The holding of the unnecessary film portion f ₃ is released.

[0052] Further, the release of the unnecessary film portion f _3, the unnecessary film portion air from the air nozzle 65 with respect to f ₃ is ejected, one side from the bundling seal portion of the unwanted film portions f ₃ at the air film F Forcibly eliminate towards.

Therefore, the unnecessary film portion f ₃ is reliably separated from the heater 22, and the unnecessary film portion f ₃ is removed at a predetermined position, and the unnecessary film portion f ₃ surrounds the binding seal portion of the film F. Is prevented from being scattered.

When one slide body 9 is slid outward, the first to third slide bodies 9 of the one slide body 9 are slid outward.
The operating pins 35, 36, 37 pivot the left and right opening / closing rods 32 outwardly in the direction away from each other about the pivot center shaft 31, and the respective focusing projections 34 are opened. Therefore, the front and rear slide bodies 9 and 15 and the left and right opening and closing rods 32
Is returned to its start position in preparation for the next binding of the film F.

Further, the piston rod of the cylinder device 27
When 28 is contracted, the electric motor is operated, and the screw 40 is interlockedly rotated by this power, and the lifting body 43 is lowered along the screw 40 and the guide supporting rods in front of and behind this, and the film F on the lifting body 43 is lowered. The heading vegetable A wrapped by is lowered,
When the headed vegetable A is lowered to a predetermined position, the operation of the electric motor is stopped. Then, the packed headed vegetables A on the vegetable receiver 47 are put on the vegetable receiver 47 by a pusher or the like not shown.
It is discharged from the top to the outside.

[0056]

According to the first aspect of the present invention, there is provided an unnecessary film removing means for exposing one side of the unnecessary film portion melted and cut by the film binding mechanism by facing the film binding seal portion of the film binding mechanism. Therefore, the unnecessary film removing means can bind and seal the narrowed-down portion of the film in which the bulb-shaped vegetables are packaged to surely separate the melted unnecessary film portion from the heater of the film binding mechanism. It can be reliably removed to the side, and it is possible to reliably prevent this unnecessary film part from interfering with the binding seal of the next film, and also to ensure that the unnecessary film part is scattered around the binding seal part of the film. Therefore, it is possible to provide a vegetable wrapping device which is preferable in terms of working environment and which can easily dispose of the unnecessary film portion.

Further, since the film supply mechanism for supplying the film on the support is provided on one side of the support so as to close the guide hole of the support, the film supply mechanism is used to package the headed vegetables. As a pretreatment, the film for packaging can be automatically supplied to the receiving portion of the headed vegetables, and the automation of the headed vegetables packaging can be improved.

According to the second aspect of the present invention, since the unnecessary film removing means is composed of the air nozzle, air for removing the unnecessary film portion is intensively ejected toward the binding seal portion of the film to surely remove the unnecessary film portion. Can be eliminated,
Its configuration is simple and has great cost merit.

[Brief description of drawings]

FIG. 1 is a front view of a vegetable packaging device showing an embodiment of the present invention.

FIG. 2 is a plan view of a line portion a to a of the above.

FIG. 3 is a cross-sectional view taken along line 1b-b of FIG.

FIG. 4 is an operation explanatory view showing a packaging state of heading vegetables according to the same as above.

FIG. 5 is a perspective view showing a headed vegetable packaged as above.

[Explanation of symbols]

4 Support 6 Guide hole 22 Heater 38 Film bundling mechanism 47 Vegetable receiver 52 Film supply mechanism 65 Unnecessary film removing means A Ballooned vegetables F Film f ₁ Film narrowing area f ₃ Unnecessary film area

Claims (2)

[Claims] 1. A support having a guide hole for guiding the fall of headed vegetables, and a film for packaging provided on one side of the support so as to close the guide hole. A film supply mechanism, a vegetable receiver provided at a lower portion of the guide hole of the support and receiving a heading vegetable falling while pulling out the film from the guide hole, and opening and closing between the vegetable receiver and the support A film tying mechanism that freely squeezes the film on the vegetable receiver to bind and squeeze the unnecessary film portion by tying and sealing the squeezed portion of the film in which the vegetables are packaged is attached to the film tying mechanism. A vegetable wrapping device, comprising: an unnecessary film removing means provided on one side to remove an unnecessary film portion provided by the film binding mechanism and fused. 2. The vegetable wrapping apparatus according to claim 1, wherein the unnecessary film removing means is composed of an air nozzle for ejecting air toward the binding seal portion of the film binding mechanism.