JP2717074B2 - Vegetable packaging equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

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

[0002]

2. Description of the Related Art Conventionally, this type of vegetable packaging apparatus has
For example, a vegetable receiver for receiving head vegetables from the guide hole is provided at a lower portion of a support plate having a guide hole, and a film binding mechanism for binding a film for packaging is provided at an upper portion of the vegetable receiver. A synthetic resin film is stretched on a board, and head vegetables are lowered and supplied from a guide hole to a vegetable receiver through the film, and the film is collected by a film binding mechanism, and the head vegetables are packaged. There has been proposed a configuration in which a film converging portion for collecting films is bound and sealed.

[0003]

In the conventional vegetable packing apparatus, the film must be manually stretched on the support plate every time the head vegetables are packaged by the film. After bundling and sealing the bundling portion of the film in which the head vegetables are wrapped by the bundling mechanism, the bundling mechanism is retracted from the bundling seal portion of the film. The film portion is easily retracted from the bundling seal portion of the film while attached to the heater of the film bundling mechanism, and the unnecessary film portion blown by the unnecessary film portion and the heater is easily scattered around the bundling seal portion of the film, Therefore, when the unnecessary film portion is retracted while being attached to the heater, the unnecessary film portion binds to 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.

In view of the above, the present invention has been made in view of the above-mentioned problems, and a narrowed-down portion of a film wrapped with a head vegetable is bound and sealed, so that an unnecessary film portion which has been blown out can be reliably supplied from a heater of a film binding mechanism. It can be separated and this unnecessary film part can be reliably eliminated on one side,
It is possible to reliably prevent the unnecessary film portion from obstructing the bundling seal of the next film, and to prevent the unnecessary film portion from being scattered around the bundling seal portion of the film. It is another object of the present invention to provide a vegetable packaging device in which the unnecessary film portion can be easily cleaned.

[0005]

SUMMARY OF THE INVENTION Claim 1 vegetable packaging apparatus described, draft a guide hole for guiding the descent of heading vegetable Yes Chico of
Supports a packaging film supplied in a state where the inner hole is closed.
A support for lifting, the formation provided on one side of the support
Film wound with packaging film for packaging ball vegetables
A film supply mechanism that unfolds and supplies the packaging film unwound from the roll onto the support in a state where the guide holes are closed, and is provided below the guide holes of the support. The film that has closed the guide hole
And vegetables receptacle for receiving a heading vegetables descending while out-out Ra引, a peripheral side portion rear direction and the left and right film on openably provided positioned above the vegetable receptacle the vegetable receptacle
It is packaged the heading vegetables narrow down from the direction above the heading vegetables
A film bundling mechanism having a heater for bundling and sealing an unnecessary film portion by bundling and sealing the narrowed portion of the film narrowed down at the bundling portion of the film,
The film bundling mechanism is provided so as to face the bundling seal portion of the film, and air is blown toward the unnecessary film portion blown by the heater of the film bundling mechanism to separate the unnecessary film portion from the heater. And the unity seal
And an air nozzle that is removed from the portion to one side.

[0006] Then, a film row of a film supply mechanism is provided.
The film for packaging is fed out of the
The film for packaging closes the guide hole on the support
Expanded and supported. Also, for packaging with closed guide holes
When the head vegetables are supplied on the film, the head vegetables
Descends from guide hole while pulling out film from guide hole
The head vegetables are received on the vegetable receiver through this film.
Is torn off. Also, the focusing part of the film binding mechanism closes.
As a result, the filling on the vegetable receiver
The upper part of the head is from the front and rear direction and the left and right direction
And the head vegetables are wrapped with this film,
A squeezed peripheral part of the film above the head vegetables
A film narrowing portion is formed, and the film narrowing portion is formed by a heat sink.
And the unnecessary filter
Is blown. By air toward the unnecessary film portion which is blown by the heater of the film cohesion mechanisms from the air nozzle is ejected, the bundling seal unnecessary film portion is separated from the heater by the air
It is forcibly removed toward one side from the part.

[0007]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

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

The support top plate 4 is formed of a synthetic resin, and has a plurality of recesses and a large number of ridges on its upper surface for developing and supporting a film F to be described later so as to reduce the contact surface with the film F. With this, a mesh-like supporting surface portion is formed,
At a substantially central portion of the support top plate 4, a circular guide hole 6 for lowering vegetables is formed so as to penetrate vertically.

A pair of guide rails 7 are fixed in parallel in the front-rear direction via the guide holes 6 at the intermediate portions at the lower left and right sides of the support top plate 4. One of the plate-like slide bodies 9 is provided on one side in the front-rear direction through the guide 8 through the guide hole 6.
Is attached so as to be able to move back and forth in the front-rear direction.

The one slide body 9 is formed in a substantially rectangular shape in a plan view by a plate-like member, and a focusing recess 10 is formed at an intermediate portion at an inner end thereof toward the lower portion of the guide hole 6. The converging concave portion 10 is formed by a widened inclined portion 11 at the opening end and a V-shaped portion 12 continuous inside the widened 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 in the front-rear direction. A slide body 15 is attached to the guide hole 6 at the other side in the front-rear direction so as to be able to advance and retreat in the front-rear direction.

The other slide body 15 is formed in a substantially rectangular shape in plan view by a plate-like member, and left and right side plates 16 provided continuously below the left and right ends are provided with left and right supports having the front, rear, left and right guides 14. A focusing recess 18 is formed at an intermediate portion of the other slide body 15 at an inner end toward the lower portion of the focusing recess 10 of the one slide body 9 of the other slide body 15, and the focusing recess 18 has an opening end. It is formed by a widened inclined portion 19 of the portion and a V-shaped portion 20 continuous inside the widened inclined portion 19.

The inner part of the other slide body 15 overlaps with the inner lower part of the one slide body 9 mutually.

Further, the focusing recess of the one slide body 9
Slide body inner end lower及beauty other side of the V-shaped portion 12 at 10
At the lower portion of the V-shaped portion 20 in the 15 focusing concave portion 18, the narrowed portion of the film F is sandwiched from both sides via the bracket 21 via the brackets 21 to be bound and sealed , that is, heat sealed.
At the same time, a heater 22 for fusing the unnecessary film portion is attached.

A rack 23 is formed in the front-rear direction below one end of the one slide body 9 in the left-right direction, and the rack 23 is provided on a support frame 17 at 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 meshed between the upper and lower racks 23 and 24, and the pinion 25 is rotatably connected to a boss 26 protruding from the lower portion of the support top plate 4 via a pinion shaft. Supported.

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

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

Next, a mounting table 30 is fixed to the upper part of the outer end of the supporting substrate 5 on one side in the front-rear direction.
A left and right rotation center shaft 31 protruding from the left and right upper portions of the base 30 has a base 32 of an opening / closing rod 32 which is located below the other slide body 15 and is located above the heater 22 and opens and closes. The end is pivotally mounted to be openable and closable in the left-right direction.

An inwardly bulging cam 33 is formed on the inside of the base of the left and right opening / closing rods 32 opposite to each other. A converging projection 34 is formed in the portion so as to gradually bulge the front end side. The left and right converging projections 34 are joined so as to be joined immediately below the guide holes 6 at the lower portions of the front and rear slide bodies 9 and 15 when closed. Has become.

A first opening / closing lever 32 for opening / closing the left / right opening / closing rods 32 is provided at the left and right portions at the lower middle part of the outer end of the one slide body 9.
Operating pin 35, second operating pin 36 and third operating pin 37
The first to third operating pins 3 on the left and right portions are provided.
5, 36 and 37 are used to open and close the left and right opening / closing rods 32. When the left and right opening / closing rods 32 are opened, their bases are first to third operating pins 3
It is supported by three points: 5, 36 and 37.

The front and rear slide members 9 and 15, the front and rear heaters 22, and the left and right opening / closing rods 32 form a film F.
And a film binding mechanism 38 that binds and seals the narrowed-down portion of the film F and blows off the unnecessary film portion.

Next, bearing members 39 are fixed to the upper and lower portions in the left-right direction of the support substrate 5 and the lower end mounting substrate (not shown) disposed below the support substrate 5. A vertical screw 40 is rotatably supported between the upper and lower bearings 39 so as to be rotatable.

The lower end of the screw rod 40 is
And an electric motor (not shown) that rotates in the forward and reverse directions. Bearings are fixed to the upper and lower portions of the upper and lower bearings 39, and guide rods (not shown) are erected between the front and rear and upper and lower bearings. The screw 40 is arranged in parallel.

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 movable up and down. The body 43 is integrally fixed, and the connecting frame 44 of the
The guides protruding from the front and rear portions are vertically movably inserted into the guide support rods.

An insertion hole 46 is formed in the horizontal lifting support plate 45 protruding from the inside of the lifting body 43 so as to penetrate vertically. The lifting body 43 having the lifting support plate 45
Is raised and lowered with respect to the guide hole 6 through the nut body 42 by the rotation of the screw rod 40 and guided by the front and rear guide support rods.

A vegetable receiver 47 is attached to a lifting support plate 45 of the lifting body 43. The vegetable receiver 47 is formed in a cylindrical shape, and an annular support 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 lifting / lowering support plate 45 projects from the bottom thereof, and the upper edge of the upper end of the insertion portion 49 has the upper edge of the opening of the insertion hole 46. The locking portion 50 locked to the portion is formed horizontally.

Then, the vegetable receiver 47 is moved up and down with respect to the guide hole 6 by the elevating operation of the elevating body 43.
A guide port for guiding the ascending and descending of the vegetable receiver 47 to the support substrate 5
51 is open.

Next, a film supply mechanism 52 for supplying a film F for packaging onto the support top plate 4 so as to close the guide hole 6 is provided at an upper portion of one side of the support top plate 4. . In the film supply mechanism 52, brackets 53 are fixed to the left and right sides of the upper end of the support top plate 4 in the front-rear direction, and the film F is fed between the upper ends of the left and right brackets 53. A feeding shaft 54 is rotatably supported by a bearing 55, and a film roll 56 obtained by winding the film F into a roll is supported on the feeding shaft 54 so as to be able to be fed.

A perforation roller 57 is rotatably supported by a support shaft 57a horizontally around a lower end inside the lower ends of the left and right brackets 53. A predetermined distance is provided around the perimeter of the perforation roller 57 in the axial direction. At this time, a large number of needle-shaped perforations 58 for perforating small holes in the film F are radially projected.

In the vicinity of the inside of the perforation roller 57, guide rollers 59 and 60 are horizontally supported by respective support shafts so as to be rotatable vertically.
The film F is inserted and clamped between 59 and 60, and the feeding of the film F is guided by upper and lower guide rollers 59 and 60.

Further, a film pressing body 61 is fixed on the support top plate 4 in the vicinity of the inside of the upper and lower guide rollers 59 and 60, and a cutter 62 for cutting the film F is mounted on the film pressing body 61 in the vertical direction. It is provided movably. The cutter 62 is operated by an operation mechanism (not shown).

Further, a film pull-out mechanism 64 having clamps 63 for detachably supporting the left and right sides of the film F is provided on the left and right upper portions of the support top plate 4 so as to be able to advance and retreat in the front-rear direction. It is configured to be operated by a drive mechanism (not shown) via a guide (not shown).

Next, on the upper part of one of the slide members 9 of the film binding mechanism 38, the unnecessary film portion blown by the heater 22 of the film binding mechanism 38 so as to face the focusing recess 10 of the slide member 9 An air nozzle 65 is provided as an unnecessary film eliminating means for eliminating the image on one side. Then, from the air nozzle 65 to the unnecessary film portion.
Once the air is blown out, the unnecessary film is
And is removed from one side.
Thus, a focusing recess 10 of the one sliding member 9 by a focusing projection 34 of the focusing recess 18 and the left and right of the opening and closing lever 32 of the other slide member 15, a peripheral side portion of the film F before and after
Squeezed from above and from above and below the head
A bunching unit for a film F for wrapping vegetables is formed.
The narrowed portion of the film F is bound by the bundle portion and the heater 22.
United seal portion for sealing has been configured.

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

When the screw 40 is rotated by operating the electric motor,
The elevating body 43 suspended by the screw rod 40 is lifted, and the vegetable receiver 47 on the elevating body 43 is disposed immediately below the guide hole 6 of the support top plate 4. Prepare to receive.

Next, the film supply mechanism 52 is operated,
The right and left portions of the film F protruding inward from the upper and lower guide rollers 59 and 60 are supported by the clamps 63 on the left and right portions of the film pulling mechanism 64, and the film pulling mechanism 64 is moved along the guide to the other side. When it is moved toward, the film F of the film roll 56 supported on the left and right brackets 53 via the feeding shaft 54 is pulled out through the punching roller 57 and the upper and lower guide rollers 59 and 60.

In this case, the film F is pulled out from the upper side through the perforation roller 57 and the guide rollers 59 and 60 at the lower portion in the horizontal direction.
Are rotated through the perforated projections 58, and the perforated projections 58 form a large number of vertical and horizontal vent holes 66 as needle-shaped vent holes at a predetermined interval on substantially the entire surface of the film F.
Is automatically perforated and is therefore drawn out between the guide rollers 59 and 60 as a film F having a large number of ventilation pores 66.

The film withdrawing 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 pusher 61 and pulls the film F at the predetermined position. Is cut off, and
The support of the film F by the right and left clamps 63 is released, and the pulled-out film F is developed and supported on the support top plate 4 with the guide hole 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 close contact by the support surface portion having a small contact surface with the support member.

Next, when the head vegetables V such as cabbage, Chinese cabbage, and lettuce are supplied from above the film F to the guide holes 6 closed by the film F of the support top plate 4, the head vegetables V become the film V. While pulling out the film F from the support surface with F, the film F is lowered from the guide hole 6 onto the annular support portion 48 of the vegetable receiver 47 waiting at the lower portion of the guide hole 6 and received.

This head vegetable A is stably received on the supporting portion 48 via 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 support surface portion, the film F is smoothly pulled out from the support surface portion with the fall of the head vegetable A.

Next, when the electric motor is operated, the screw 40 is rotated in conjunction therewith, and is guided along the screw 40 via the nut body 42 and by the front and rear guide support rods, and the elevating body 43 and the elevating body The vegetable receptacle 47 on 43 is lowered, the head 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 head vegetable A is the head vegetable A. As it is lowered, it is supported by this head vegetable A and smoothly pulled out from the support surface and the guide hole 6.

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

When the operation of the electric motor is stopped, the cylinder device 27 is operated, the piston rod 28 is extended, and the piston rod 28 is operated by the interlocking member.
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 15 racks 24 is rotated, and one of the slide bodies 9 is interlocked via the rack 23 meshed with the pinion 25. The one slide body 9 is connected to the guide rail 7 via the plurality of guides 8. Is moved forward along.

Then, the front and rear slides 9 and 15 are moved toward each other just below the guide hole 6 in the mutually approaching direction, and the converging concave portions 10 and 18 of the inner portions of the front and rear slides 9 and 15 are formed. The front and rear portions of the film F for wrapping the head vegetables A at the upper part of the head vegetables A by the expanding inclined parts 11 and 19 and the V-shaped parts 12 and 20 of the converging concave parts 10 and 18 before and after the polymerization. Narrowed down sequentially from the direction.

As described above, one of the slides 9
Is moved forward, the first and third operating 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 axis 31. And the focusing projections 34 on the inner side of the left and right opening / closing rods 32 gradually approach each other.
Are narrowed down sequentially from the left and right directions.

Therefore, as shown in FIG. 5, the peripheral portion of the film F for wrapping the head vegetables A is a support portion of the vegetable receiver 47 as shown in FIG.
The film F is narrowed down substantially simultaneously from the front and rear and left and right directions by the converging concave portions 10 and 18 of the front and rear slide bodies 9 and 15 and the converging projections 34 of the left and right opening and closing rods 32 via the head vegetables A on 48. The part is squeezed into a stick shape at the top of the head vegetable A.

[0049] Further, the upper portion of the film F is narrowed in a rod shape, the heater 22 of the slide body 9, 15 of the front and rear with respect to the narrowing part f ₁ of the rod-like contacts the longitudinal direction and the front and rear heater unnecessary film together with the narrowing part f ₁ of the rod-like are bundled sealed are heat sealed into a flat shape by pressing, clamping by 22, the narrowing part f ₁ of the rod-shaped upper portion than the flat sealing portion f ₂ part f ₃ is blown.

Thus, the head vegetable A has a large number of aeration pores.
It is packaged in a state where it is entirely covered with a film F having 66.

Next, when the film F is heat-sealed, the piston rod 28 of the cylinder device 27 contracts,
One of the slide bodies 9 and the other slide body 15 are slid outward in a direction away from each other in a direction opposite to the direction in which the film F is bound and sealed, and the respective focusing concave portions 10 and 18 are opened, clamping the unnecessary film portion f ₃ is released.

[0052] Further, the release of the unnecessary film portion f _3, the required relative to the film portion f ₃ air from the air nozzle 65 is ejected, heat is unnecessary film portion f ₃ at the air
Ta separated from bundling seal portion of the film F from 22 Ru be forced off toward one side.

[0053] Therefore, the unnecessary film portion f ₃ is reliably separated from the heater 22, these unwanted film portion f ₃ is eliminated in place around the bundling seal portion of the undesired film portion f ₃ is the film F Is prevented from being scattered.

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

The piston rod of the cylinder device 27
When the motor 28 is contracted, the electric motor is operated, and the screw 40 is interlocked and rotated by this power, and the lifting / lowering body 43 is lowered along the screw 40 and the front and rear guide supporting rods. Headed vegetables A wrapped by are lowered,
When the head vegetable A is lowered to a predetermined position, the operation of the electric motor is stopped. Then, the packaged head vegetables A on the vegetable receiver 47 is pushed by a pusher (not shown) or the like.
It is discharged outward from above.

[0056]

According to the first aspect of the present invention, the unnecessary film portion blown by the heater of the film binding mechanism is directed toward the film binding seal portion of the film binding mechanism.
And blow off the air to separate this unnecessary film from the heater.
An air nozzle is provided on one side of the bundling seal , so that the air blown out from this air nozzle binds and seals the narrowed part of the film that wraps the head vegetables and binds the unnecessary film part that has been blown out. it is possible <br/> et reliably separated or heaters mechanism, binding the unnecessary film portion
It is possible to reliably remove the unnecessary film portion from the bundle seal portion toward one side, and it is possible to reliably prevent the unnecessary film portion from obstructing the binding seal of the next film, and to remove the unnecessary film portion from the bundle seal portion of the film. A structure that can reliably prevent scattering to the surroundings and eliminate unnecessary film parts
It is simple and therefore preferable in the working environment , and it is possible to provide a vegetable packaging device which is easy to clean up the unnecessary film portion and has a great cost advantage .

In addition, head vegetables are packaged on one side of the support .
Unwound from a film roll on which a film is wound
Put the packaging film on the support with the guide hole closed.
Since the film supply mechanism for developing and supplying is provided, a film for packaging can be automatically supplied to the receiving part of the head vegetable as a pre-process for packing the head vegetable with the film supply mechanism, and Automation of packaging can be improved.

Also, the film bundling mechanism of the film bundling mechanism
Squeeze the peripheral side of the film from front to back and left and right
And wrap the head vegetables together,
Bind and seal the narrowed part of the film that has been squeezed upward.
And ensure that the head vegetables are completely covered and packaged.
Can prevent damage to the outer leaves of the head vegetables,
The freshness of ball vegetables can be maintained.

[Brief description of the 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 an a-a line portion of the same.

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

FIG. 4 is an operation explanatory view showing a packaged state of the above-mentioned head vegetable;

FIG. 5 is a perspective view showing the packaged head vegetable;

[Explanation of symbols]

4 support 6 guide hole 10,18,34 focusing unit 22 heater 38 film bundling mechanism 47 Vegetable receptacle 52 film supply mechanism 56 film roll 65 air nozzles A head-forming narrowing part of the vegetable F film f ₁ Film f ₃ unnecessary film portion

Claims (1)

(57) [Claims] [Claim 1] have a guide hole for guiding the descent of heading vegetables
Packing filler supplied to close this guide hole
A support for supporting the arm, packaging the heading vegetables provided on one side of the support
Unwinding from a film roll wound film for packaging
The guide hole is formed on the support by placing the packaging film on the support.
And occluding film supply mechanism for supplying to expand to the state, the positioned below the guide hole of the support it provided the guide
And vegetables receptacle for receiving a heading vegetables the occluded film hole descends gradually raise-out this guide hole or Ra引, circumference of the film on the vegetable receptacle provided to openably positioned above the vegetable receptacle Lateral and lateral directions
Squeezing the head vegetables from above to pack the head vegetables
Focusing unit of Irumu and a film binding mechanism, each having a heater for fusing the unnecessary film portion narrowing part of the Fi <br/> Lum narrowed by the focusing unit and bundling seal, said in the film bundling mechanism Air is blown toward the unnecessary film portion blown by the heater of the film bundling mechanism and provided to face the bundling seal portion of the film . The unnecessary film portion is separated from the heater and the bundling seal is removed.
And an air nozzle which is removed from one side to the other side.