JPH0755686B2 - Automatic container packaging machine that cuts the tubular film covering the container and attaches it to the bottom of the container - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a container in which a container filled with food or the like is fully automatically concealed with a thin transparent film. The present invention relates to an automatic container packaging machine.

[Problems to be Solved by Prior Art and Invention]

Conventionally, there are various automatic packaging machines of this type. The inventor has improved the drawbacks of these conventional machines and, in particular, completed an automatic container packaging machine suitable for automatic packaging of packed mushrooms.
-313105 was filed.

As shown in FIGS. 1 to 10, this automatic container packaging machine holds a container covered with a transparent film in a tubular shape by an inner transfer part of a two endless belt transfer belt. While continuously transferring at intervals, the tubular film strip between the containers is cut by a cutting device, and at the same time, the tubular film strip at the cutting part is pushed down to fix the adhesive to the bottom of the container. However, there is a drawback that the size of the container can only be packed according to a certain standard.

The Applicant improved this point and aimed at developing an automatic container packaging machine that can adapt to large, medium and small containers, and make it possible to adjust the spacing of the guide frames freely and at the same time. The width of the blade plate and film pressing plate can also be expanded according to the size of the container,
Therefore, both the cutting blade plate and the film push-down plate were designed to overlap the left and right, but in that case the guide plate becomes thick and the insertion between the sandwiching roll and the elastic sandwiching roll becomes poor, and the tubular film It was confirmed that the insertion of the cut piece also causes a defect that it becomes defective.

The present invention provides an automatic container wrapping machine that solves this problem and cuts a tubular film coated on a container and sticks the film on the bottom surface of the container.

[Means for Solving the Problems]

It will be described in detail with reference to the attached FIGS. 11 to 16.

Inner transfer part 32 '/ 3 of two feed endless belts 32/33 that rotate outside the two guide bodies 78/79 provided in parallel
At 3 ', the container 16 in which the transparent film 2 is covered in a tubular shape is held by clinging and continuously transferred at intervals, and the tubular film 2'between the containers 16 is cut. In the automatic container packaging machine for fixing the cut pieces 2 ″ to the bottom of the container 16, the columns 80 and 81 are erected on the two guide bodies 78 and 79,
A slide guide mechanism 84 for varying the width of the support plates 82, 83 between the left and right support plates 82, 83 provided on the upper portions of the columns 80, 81.
A film push-down plate 89/90 is hung vertically in front of and behind the left and right support plates 82/83 with the inner edge portions 89 ′ / 90 ′ being overlapped, and a cutting plate is placed in the middle of the front and rear film push-down plates 89/90. 87
The cutting device d is provided by vertically arranging 88 by superposing inner edge portions 87 'and 88', and is vertically movable with respect to the guide bodies 78 and 79, and the sandwiching roll 60 that holds the front and rear film pressing plates 89 and 90 is held. Guide body 78 with 61 and opposition crawling rolls 62 and 63 facing each other
It is laid horizontally in the lower width direction of 79, and the set heights of the respective sandwiching rolls 60 and 61 are provided at positions where they abut on the bottom surface of the container 16, and the respective elastically sandwiching rolls 62 and 63 resist the resilient pressure. It is slidable in the front-back direction, and one clasp roll 60 and a pressure clasp roll 62
Left and right support cases 64, 64 supporting both ends of each of them are fixed below the guide bodies 78, 79, and left and right support cases 64 supporting both sides of the other holding roller 61 and the pressure holding roller 63.・
64 is attached to the slide horizontal rod 116, and the slide horizontal rod 116 is provided so as to be slidable back and forth with respect to the two left and right guide rods 103 and 104 that are fixed in parallel to the outer sides of the guide bodies 78 and 79.・ Installed between 104 'and slides 103' ・ 104 '
When moving to the cutting device d side, the pushing claw plate 105.1 that pushes the oppression crawling roll 62 and separates it slightly from the crawling roll 60.
06 is projected on the slides 103 ′ and 104 ′, and at the same time, pushing claws 109 and 110 for pushing the pressure-adhering roller 63 to separate it slightly from the roller 61 are provided on the lower left and right sides of the guide bodies 78 and 79. A supporting case 64 for the protruding rolls 61 and the compression rolls 63.
A cam device g for sliding the 64 in the front-rear direction with respect to the guide bodies 78, 79 is provided, and the four front-rear and left-right slide bodies 74. A width adjusting mechanism h is provided for adjusting the width of the container 16 while keeping the distance between the guide bodies 78 and 79 parallel to each other by providing 75.76.77. Corresponding to the width adjusting mechanism h, right and left columns 80.81 The slide guide mechanism 84 provided in between is also provided so as to adjust the slide, and relates to an automatic container packaging machine for cutting a cylindrical film covering a container and sticking the film on the bottom surface of the container.

[Action]

When the cutting device d descends, the cutting blade plates 87, 88 formed by overlapping the inner inner edges 87 ', 88' cut the tubular film 2 ', and at the same time, the film pressing plates 89, 90 formed by overlapping the inner inner edges 89', 90 '.
Between the clasp roll 60 and the oppression clasp roll 62, the clasp roll
The cut piece 2 ″ of the tubular film 2 ′ which is press-fitted between the 61 and the pressure-bonding roll 63 and cut together is pushed in.

In the state of FIG. 15, slide by the operation of the cam device g.
103 ′ ・ 104 ′ slides against the guide rods 103 ・ 104,
The support case 64 attached to the slide horizontal rod 116 erected on the slides 103 ′ and 104 ′ slides to the left side in the figure and folds back at a fixed position, but in this state, the pushing claw plates 105 and 106 press the opposition sandwiching roll 62. Since it is pushed to be slightly separated from the clinging roll 60, the cutting blade 2 ″ of the tubular film 2 ′ can be smoothly inserted by the film pushing plates 89/90.

At this time, at the same time, the pushing claws 109 and 110 engage with the oppressing and holding roll 63 and slightly separate from the holding roll 61. Therefore, on the opposite side as described above, the blade for cutting the tubular film 2'by the film pushing plates 89 and 90 is also used. Facilitates 2 "insertion.

Even if the cutting device d moves up, the cutting piece 2 ″ of the tubular film 2 ′
Retaining roll 60, oppression replenishing roll 62, and relieving roll 61, respectively.
And is clamped and held by the oppression clamp roll 63.

In this state, the clamping roll 61 is moved to the right by the cam device g, so that the cut piece 2 ″ of the tubular film 2 ′ of the container 16 on the right side of the drawing is stroked by the clamping roll 61 on the film 2 at the bottom of the container 16. , It is fixed in the adhesive state due to the film characteristics.

Then, the container 16 on the left side moves forward, and the cutting piece 2 ″ on the left side is also stroked by the sandwiching roll 60 to the bottom of the container and fixed in an adhesive state.

Next, when packaging containers 16 of different sizes, the width adjusting mechanism h causes the front and rear two sets of slide bodies 74, 75, 76, and 77 to synchronize with each other to change the facing gaps.
Adjust the interval according to the size of the container 16 and, at the same time, synchronize the slide guide mechanism 84 and press down the film 89.
Even if the width of the container 16 and the width of the tubular film 2'change by adjusting the width of 90 and the width of the cutting blade plates 87 and 88, the container moves, the tubular film 2'is cut, and the cut piece 2 "is sandwiched. Allows insertion between the dressing rolls 60 and 61 and the pressure-clamping rolls 62 and 63.

〔Example〕

Figures 1 to 10 are Japanese Patent Application No. 61-61 related to a prior application developed by the applicant.
No. 313105 (Japanese Patent Laid-Open No. 63-178903), which is an automatic packaging machine for containers and has a base structure of the automatic packaging machine of the present invention,
A bobbin 3 around which a thin transparent film 2 is wound is installed above the front side of the machine frame 1.

The drawing illustrates a structure in which the bobbin 3 rolls on the two bobbin receiving and moving rolls 3'and the film 2 is pulled out.

A film holding device a for holding both edges of the film 2 pulled out from the bobbin 3 via the guide rollers 4 is provided symmetrically on the left and right wall portions 1'of the machine frame 1 diagonally below and in front of the bobbin 3.

As shown in FIG. 2, the film holding device a shown in the drawing has a drive shaft 5, a floating shaft 6, a floating shaft 7 and a floating shaft 8 which are vertically opposed to each other, and V pulleys 9 and 10 are provided on each of them. The V-belts 13 and 14 are suspended between 9 and 10, and the inner transfer portions of the V-belts 13 and 14 are brought into contact with each other in a superposition pressure contact state.

FIG. 3 shows a case where an endless belt 13 ′ · 14 ′ having internal teeth 11 · 12 provided on the inner surface instead of the V belt 13 · 14 and a pinion gear 9 ′ · 10 ′ provided instead of the V pulley 9/10. Illustrated.

Further, a film support roller 15 is attached in a cantilever state inside the drive shaft 5 and the floating shaft 7 located on the upper side.

A loading table 17 for the dish-shaped container 16 is provided in the front part of the left and right film holding devices a.

A device 16 for feeding the container 16 is provided below the machine frame 1.

In the feeding device b shown in the drawing, a guide long window 18 is provided on the mounting table 17, and a container is provided by a pushing plate 19 protruding from the guide long window 18.
16 is provided so as to push.

In the drawing, a transfer cylinder 20 is provided in the horizontal front-rear direction on the lower rear side of the machine frame 1, and a rack rod 22 is attached to the tip of a piston rod 21 protruding from the transfer cylinder 20 in an extended state. The support arm 23 is erected at the tip, and this support arm
A case where a pushing plate 19 is attached to 23 and the container 16 is fed to the film 2 side by the retracting action of the piston rod 21 is illustrated.

A transfer device c for transferring the container 16 to the rear of the machine frame 1 is provided behind the film holding device a of the film 2.

The transfer device c shown in the drawing is provided with drive vertical axes 24 and 25 on the left and right sides of the rear side of the film support roller 15, and friction wheels 26 and 27 provided on the drive vertical axes 24 and 25, and are vertically installed at the rear of the machine frame 1. Floating vertical axis 28
The endless belts 32, 33 are provided between the friction wheels 30, 31 provided on the 29 so as to sandwich the side edges of the container 16 so that the facing gap l of the inner transfer portions 32 ', 33' is adjusted to the width of the container 16.

A support bar 36 having film winding guide rods 34 and 35 mounted on the machine frame 1 near the drive shaft 5 of the film holding device a immediately before the front ends of the feeding endless belts 32 and 33 of the transfer device c.
Further, it is erected in a more symmetrical manner, and is bent a little below the position of the mounting table 17 in a horizontal state to the rear and in a state in which the distance becomes narrower toward the rear to form horizontal extension rod portions 34 'and 35'.

The film winding guide bars 34 and 35 are stationary.

The drawing shows that the endless belts 37 and 38 are wound slightly above the film winding guide rods 34 and 35 and the endless belts 37 and 38 are bent in the folding direction of the film winding guide rods 34 and 35, that is, the horizontal extension rod portions 34 'and 3'.
Drive pulley 39.40 and idle pulley 41.4 along with 5 '
The figure shows a case in which the two are installed obliquely.

The mounting table 17 for the container 16 described above is extended to a position between the transfer devices c.

The above is the description of the part where the film 2 is hidden in the container 16,
The drive system is such that a main gear 43 that rotates by meshing with the rack rod 22 is provided, and a main drive shaft 44 to which the main gear 43 is fixed, a sprocket gear 99 provided on the drive shaft 5 and a sub-drive shaft 45 are chained. Suspend 46 to drive each.

Bevel gears 47 and 48 are provided on the driven shaft 45.
Bevel gears 49 and 50 that mesh with 47 and 48 are provided on the drive vertical axis 24 and 25 to drive the feed endless belts 32 and 33, and at the same time also drive the drive pulleys 39 and 40 to drive the endless belts 37 and 38 that are rolled up. .

Next, the cutting device d will be described.

Since the containers 16 are fed one after another, as shown in FIG. 5, between the containers 16 there is a tubular film 2'which has been deformed into a flat tubular shape conforming to the container shape.

This container interval is determined by the immersion timing of the transfer cylinder 20.

The stop position of the container 16 is determined by the stroke of the piston rod 21.

A cutting device d for cutting the intermediate portion of the tubular film 2'between the containers 16 is provided above the machine frame 1.

In the cutting device d shown in the drawing, a cutting cylinder 53 is vertically provided on a side portion of the machine frame 1, a support arm 56 is provided at a top end 55 of the piston rod 54, and a guide plate 57 having a vertical cross section is provided on the support arm 56. The width holding guide 58 and the cutting blade 59 are vertically provided at the intermediate portion of the guide plate 57.

The lower end of each is vertically extended downward by a guide plate 57, a cutting blade 59, and a width holding guide 58.

Clamping rolls for pressing the cut pieces 2 ″ of the tubular film 2 ′ directly below the lower edges 57 ′ and 57 ″ of the guide plate 57, respectively.
The 60/61 and the pressure-clamping rolls 62/63 are installed in contact with each other.

Further, an auxiliary cylinder in which a supporting case 64 for the rear crawler roll 61 and the oppressive crawler roll 63 is provided horizontally in the rear part of the machine frame 1.
Attach to the tip of piston rod 66 of 65.

In FIG. 10, the operations of the guide plate 57, the width holding guide 58 and the cutting blade 59 are separated, and the guide plate 57 and the cutting blade 59 are separated by the cutting cylinder 53.
And the cutting assist cylinder 67 provided on the guide plate 57 is operated immediately before that to lower only the width holding guide 58 first, and a holding device e is provided at the rear of the cutting device d. Cushion board pressed by cylinder 68
69 is lowered onto the container 16 to press down the container 16 and prevent the container 16 not held by the feeding endless belts 32 and 33 from being turned over at the time of cutting.

Further, a needle bar 70 is hung vertically behind the guide plate 57, and when the rear cutting piece 2 ″ of the tubular film 2 ′ is stroked to the bottom surface of the container 16 by the pressure-bonding roll 63, the needle bar 70 is guided. By lowering together with 57 and forming an air escape hole in the rear cutting piece 2 ″, it is possible to prevent the air trapped inside from escaping from the hole punched by the needle bar 70 and disabling the stroke. FIG.

In addition, the guide plate 57 is subjected to surface slip processing, and the clinging roll 60
When 61 is a metal rough surface roller and the oppression pressing rollers 62 and 63 are plastic smooth surface rollers, the rear cutting piece 2 ″ of the tubular film 2 ′ can be pulled up together when the guide plate 57 returns. Prevents and then makes the stroke good.

In the drawings, reference numeral 51 is a curved plate which is designed not to break the film 2 when returning, and 52 is a leg portion.

Next, the operation will be described as follows.

The container 16 is placed on the placing table 17.

When the switch of the transfer cylinder 20 (it is convenient for work when a foot pedal switch is used) is turned on, the piston rod
21, the rack rod 22 moves rearward, and the pushing plate 19 pushes the container 16 to the entrance of the endless belts 32 and 33.

At this time, the container 16 strikes the film 2 whose both edges are pressed by the film holding device a and pushes the intermediate part of the film 2 a little further to push it further, but the film 2 is also fixed to the film winding guide bars 34 and 35. bump into.

Horizontal extension rod part 3 of this film winding guide rod 34/35
Since 4'and 35 'are arranged opposite to each other in a flat C-shape at the rear, when the container 16 is transported backward by being held by the endless belts 32 and 33, the horizontal extension bar 34' having the V-shape is provided.・ Because of the presence of 35 ', both edges of the film 2 are pushed down to the side of the container 16,
It will move further to the rear, and the horizontal extension bar 34 '・ 3
Since the film 5'is located below the container 16, the film 2 is necessarily wound up on the lower side of the container.

Since this film 2 is thin and adherent such as the brand name Saran Wrap, the container 16 is pushed up so as to raise the center of the film 2 in a tension state, and then the container is wound by the above-mentioned winding action. When the film 2 is wound under the lower side of the container 16, the film 2 adheres from the side surface to the bottom surface of the container 16 to wrap the container 16.

Next, the cutting action will be described.

When the piston rod 21 of the cutting cylinder 53 is retracted, the width holding guide 58 hung vertically in the middle of the guide plate 57 first hits the tubular film 2 ', and the width of the tubular film 2'is held down slightly.

At that time, the cutting blade 59 hits and cuts the tubular film 2 ', and the cutting edges of this tubular film 2'are pushed down by the lower edge portions 57' at the front and rear of the guide plate 57, and together the clinging roll 60. It will be pushed between the 61 and the oppression attachment rolls 62 and 63, respectively.

The part where the cutting device d moves up and down is designed so that a part of the extension of the mounting table 17 is cut.

Subsequently, when the guide plate 57 rises and the container 16 moves, the cutting edge of the container 16 on the front side is stroked to the lower side of the container by the elastic clamping roller 62 as shown in FIG. .

Further, the cutting piece 2 ″ hanging down on the rear side container 16 is moved by the retraction operation of the piston rod 66 of the auxiliary cylinder 65 so that the elastic clamping roller 62 is rapidly moved together with the supporting case 64 as shown in FIG. Apply 2 "to the bottom of the volume and apply.

Transfer cylinder 20, cutting cylinder 53, auxiliary cylinder 65,
The cutting assist cylinder 67 is equipped with a compressor in this machine and adjusts the operation timing by air.

In the automatic container packaging machine shown in FIGS.
An example of a preferred embodiment of the automatic container packaging machine of the present invention adapted for automatic packaging even if 16 is changed to a small size is shown in FIGS. 11 to 16, and is provided in parallel. In addition, the container 16 in which the transparent film 2 is cylindrically covered by the inner transfer portions 32 'and 33' of the two feed endless belts 32 and 33 that rotate outside the two guide bodies 78 and 79, respectively. An automatic container that holds the pieces in close contact with each other and sequentially transfers them at intervals to cut the tubular film 2'between the containers 16 to fix the cut pieces 2 "to the bottom surface of the container 16. In the packaging machine, columns 80 and 81 are erected on the two guide bodies 78 and 79, and support plates 82 and 83 are provided between the left and right support plates 82 and 83 provided above the columns 80 and 81. A slide guide mechanism 84 for varying the width is provided, and film push-down plates 89 and 90 are hung vertically on the front and rear of the left and right support plates 82 and 83 by overlapping the inner edge portions 80 'and 90'. After the film depressing plate 89, 90 intermediate the cutting plate 87, 88 the inner edge 87 of the '
・ The cutting device d, which is made by polymerizing 88 'and hung vertically,
A film push plate for the front and back, which can be raised and lowered with respect to 79
Clamping rolls 60 and 61 that hold 89/90 and pressure-clamping rolls 62
・ The 63 and 63 are placed in a state of being opposed to each other in the lower width direction of the guide bodies 78 and 79, and the set heights of the sandwiching rolls 60 and 61 are provided at positions where they abut on the bottom surface of the container 16, respectively. Wearing roll 62
63 is provided slidably in the front-rear direction against the elastic force, and the left and right support cases 64 and 64 supporting both ends of one of the sandwiching roll 60 and the elastic sandwiching roll 62 are installed below the guide bodies 78 and 79. The left and right support cases 64 and 64 that support both sides of the other holding roller 61 and the pressure holding roller 63 are attached to the slide horizontal rod 116, and the slide horizontal rod 116 is attached to the guide bodies 78 and 79.
Slides 103 ′ ・ 104 ′ slidable forward and backward with respect to the two left and right guide rods 103,104 fixed parallel to the outside of the
Installed between the slides 103 'and 104', when the slides 103 'and 104' are moved to the cutting device d side, the elastic pressure clamping roll 62 is pushed to clamp the clamping rolls.
Pushing claw plates 105 and 106 for slightly separating from 60 are projected on the slides 103 ′ and 104 ′, and at the same time, pushing claws and rolls 63 are pressed to push them apart slightly from the holding roll 61.
10 is projected to the left and right of the lower side of the guide body 78/79, and the sandwiching roll 61
And the support case 64 of the compression and adhesion roll 63 and the guide body 78.
A cam device g that slides in the front-back direction with respect to 79 is provided, and four slide bodies 74, 75, 76
A width adjusting mechanism h is provided for adjusting the width of the container 16 while keeping the distance between the guide bodies 78 and 79 parallel to each other, and is provided between the right and left columns 80 and 81 corresponding to the width adjusting mechanism h. The slide guide mechanism 84 is also provided so as to adjust the slide.

First, an embodiment in which the widths of the guide frames 78 and 79 are adjusted to be wide and narrow according to the size of the container 16 shown in FIGS. 11 to 13 will be described.

Supports 80 and 81 are erected on two guide bodies 78 and 79.
A slide guide mechanism 84 is provided between the left and right support plates 82 and 83 provided at the upper part of the 80 and 81, and blade plate mounting plates 85 and 86 are hung vertically between the left and right support plates 82 and 83. Blade plate mounting plate 85
・ Cutting blades 87 and 88 are hung vertically on the inner inner edge portions 87 'and 88' in 86, respectively, and film pressing plates 89 and 90 are also on the inner edge portions on the front and rear sides of the left and right support plates 82 and 83, respectively. 89 'and 90' are suspended in a piled state.

Rotating screw shaft 72 with a handle that rotates when the handle 71 is turned
Then, the bobbin 3 which is rotated by the rack belt 91 in synchronism with the rotation screw shaft 72 with a handle is disposed below the guide bodies 78 and 79 in a direction to be horizontally mounted. By the rotation of the turning screw shaft 72 with a handle and the driven turning screw shaft 73, the slide members 74, 75 and the slide members 76, 77 provided on the front, rear, left and right sides of the guide members 78, 79 respectively come close to each other and are separated from each other. It is provided to do.

Therefore, even if the container 16 is large, medium, or small, the handle 71 can be rotated each time to adjust the distance between the guide bodies 78 and 79 to just hold the container 16.

This structure adopts a normal bolt / nut mechanism as shown in FIG. 13, and screws opposite to each other may be provided on the left and right, but one slide body 75 is provided so as to be slidable. A system may be adopted in which the interlocking slide body 77 is synchronized with the driven rotating screw shaft 73 by using a bolt / nut mechanism.

In the figure, reference numerals 92 and 93 are rack pulleys, and 94, 95, 96 and 97 are bearing bodies.

Bevel gears 47 and 48 that drive the endless belts 32 and 33
-49 and 50 are provided so that they can be slidably fixed so that they can mesh with the guide bodies 78 and 79 with respect to the driven shaft 45, and that drive transmission is possible.

Slide body 74/75/76/77 slides to guide body 78 /
For example, when the interval of 79 is widened, the support plates 82 and 83 connected by the slide guide mechanism 84 are also slid and widened in that state.

Therefore, the inner cutting edge plate 87 'with the inner inner edge portions 87' and 88 'in a superposed state.
Since the cutting width of 88 is widened, the container 16 can be cut sufficiently even if it is large and the width of the tubular film 2'is wide.

Similarly, the width of the film push-down plates 89/90 may widen or, on the contrary, narrow.

That is, since the guide bodies 78 and 79 are guided by the four slide bodies 74, 75, 76, and 77, which are aligned left and right at two front and rear positions with a gap, and the slide guide mechanism 84 of the cutting device d, they are always guided. It will be possible to adjust the slide smoothly and freely.

In the figure, reference numerals 107 and 108 are support arms for the slide rods 103 and 104, and 117.
Is a pressing coil spring of the pressure-bonding rolls 62 and 63, and 118 is a connecting portion of the link piece 115.

The drive mechanism of FIG. 11 is different from the drive mechanism of the embodiment of FIG. 1 in that the forward / reverse motor 98 rotates the pinion gear 100 via the sprocket gear 99 to move the rack rod 22,
On the other hand, the main drive shaft 44 is
The driven shaft 45 is rotated via.

Further, a case is shown in which the cutting device d is moved up and down by operating the crank mechanism f from the forward / reverse motor 98.

In the figure, reference numeral 101 is a limit switch for forward / reverse switching, 102
Is a limit switch that stops at one revolution.

Explaining the lifting device of the cutting device d shown in FIG. 13, the crank mechanism f moves the columns 80 and 81 of the cutting device d up and down.

Further, the cam device g will be described. In the figure, reference numeral 111 is a cam board, 112 is an engagement pin, 113 is a cam groove, 114 is a rocking plate, and 1
15 is a link piece.

〔The invention's effect〕

Since the present invention is configured as described above, it becomes smooth that the film push-down plate of the cutting device is inserted between the sandwiching roll and the compression sandwiching roll, and the simultaneous insertion of the cut pieces of the tubular film is also good. Designed so that the space between the guides can be adjusted widely and narrowly according to the size of the container, and the width of the cutting blade plate and the film push-down plate can be adjusted according to it by using a double-layered structure. Therefore, even if the plate thickness becomes thicker, the separation of the pressure-adhesion crawling roll from the crawling roll is performed accurately, so that the film pressing plate and the cut piece of the tubular film can be inserted and the film pressing plate can be pulled out. An automatic container packaging machine that cuts a tubular film coated on a container that exhibits excellent practicability such as smooth operation and attaches it to the bottom of the container.

[Brief description of drawings]

1 to 10 in the drawings show an embodiment of an automatic container packaging machine for cutting a tubular film coated on a container according to the applicant's prior application and sticking the film on the bottom surface of the container. FIG. 2 is a side sectional view, FIG. 2 is a perspective view of a container feeding section, FIG. 3 is a partially cutaway plan view of another example of the holding device a, FIG. 4 is a plan view of the container feeding section, and FIG. 5 is a cutting edge. 6 is a vertical sectional side view before cutting, FIG. 6 is a vertical sectional front view of the same as above, FIG. 7 is a vertical sectional side view when cutting a cutting edge, FIG. 8 is a vertical sectional side view after cutting of a cutting edge, and FIG. FIG. 10 is a vertical sectional side view immediately after the movement of FIG. 10, and FIG. 10 is a vertical sectional side view of a cutting edge of another example. Next, FIGS. 11 to 16 show an embodiment of the present invention based on the embodiment of FIGS. 1 to 10 and FIG. 11 shows an automatic container packaging machine of the present invention. Part 12 cutaway side view
Fig. Is a plan view, Fig. 13 is an enlarged front sectional view of the main part, Fig. 14 is a side view of the main part before cutting, Fig. 15 is a side view after cutting, and Fig. 16 is a plan view of the same part as above. Is. 2 ... Film, 2 '... Cylindrical film, 2 "... Cutting piece, 16 ... Container, 32.33 ... Feed endless belt, 32'.3
3 ′ …… Inner transfer part, 60 ・ 61 …… Clamping roll, 62 ・ 63…
… Suppression crawling roll, 64 …… Supporting case, 74 ・ 75 …… Slide body, 76 ・ 77 …… Slide body, 78 ・ 79 …… Guide body,
80 ・ 81 …… Posts, 82 ・ 83 …… Support plate, 84 …… Slide guide mechanism, 87 ・ 88 …… Cutting blade plate, 87 ′ ・ 88 ′ …… Inner edge, 89/90 …… Film pressing plate , 89 '/ 90' ... Inner edge, 103/104 ... Guide rod, 103 '/ 104' ... Slide, 105/106 ... Pushing claw plate, 109/110 ... Pushing claw, 11
6 ... Slide side rod, d ... Cutting device, g ... Cam device, h ... Width adjustment mechanism.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor, Masao Sato, 4949, Hohanado, Hanadou, Yoshida-cho, Nishi-Kabahara-gun, Niigata Prefecture 1 Honhiro Seisakusho Co., Ltd. (56) Reference JP-A-63-178903 (JP, A) 58-52025 (JP, A) Actual development 58-19903 (JP, U)

Claims (1)

[Claims] 1. The transparent film 2 is transferred by the inner transfer portions 32 ', 33' of the two endless belts 32, 33 that rotate outside the two guides 78, 79 provided in parallel. The container 16 covered in a tubular shape is held by clinging and sequentially transferred at intervals with an interval between them, and the tubular film 2'between the containers 16 is cut to cut the cut pieces 2 "into the container 16". In the automatic container packaging machine that is fixed to the bottom surface of the column, the columns 80 and 81 are erected on the two guide bodies 78 and 79, and the left and right support plates 82 provided on the columns 80 and 81.
・ A slide guide mechanism 84 for varying the width of the support plates 82 ・ 83 is provided between 83, and the film push-down plates 89 ・ 90 are overlapped with the inner edge portions 89 '・ 90' before and after the left and right support plates 82 ・ 83. The cutting device d, which is provided by vertically stacking the cutting plates 87 and 88 by superposing the inner edge portions 87 ′ and 88 ′ in the middle of the front and rear film pressing plates 89 and 90, is installed on the guide body 78 and 79. And can be raised and lowered freely,
Clamping roll that holds the 89/90 film front / rear plate
60.61 and opposition pressure clamping rolls 62 and 63 are horizontally arranged in the lower width direction of the guide bodies 78 and 79 so as to face each other.
・ Providing a set height of 61 at the position where it abuts the bottom surface of the container 16,
Left and right support cases 64 supporting the respective pressure-adhesion rolls 62 and 63 slidably in the front-back direction against the elastic force, and supporting both ends of one of the attachment rolls 60 and the pressure-adhesion roll 62.
64 is fixed below the guide bodies 78 and 79, and the other sandwiching roll
The left and right support cases 64, 64 supporting both sides of the pressure roller 61 and the pressure-bonding roll 63 are attached to the slide horizontal rod 116, and the slide horizontal rod 116 is fixed to the outside of the guide bodies 78, 79 in parallel with the left and right 2 It is installed between slides 103 'and 104' which are slidable forward and backward with respect to the guide rods 103 and 104 of the book.
Pushing claw plates 105 and 106 projecting from the slides 103 'and 104' for pushing the elastic clamping roll 62 and slightly separating it from the clamping roll 60 when the 3'104 'moves to the cutting device d side. At the same time, pushing claws 109 and 110, which push the pressure-adhesion roll 63 and separate it slightly from the attachment roll 61, are provided on the lower left and right sides of the guide bodies 78 and 79. A cam device g for sliding the supporting cases 64, 64 of the roll 63 in the front-back direction with respect to the guide bodies 78, 79 is provided, and the guide body 78, 79 can be adjusted in the front-rear, left-right, front-rear, left-right synchronization intervals. A width adjusting mechanism h is provided for adjusting the width of the container 16 while keeping the distance between the guide members 78, 79 parallel to each other by providing four slide members 74, 75, 76, 77. Left and right columns
An automatic container packaging machine for cutting a tubular film coated on a container and sticking the film on the bottom of the container, characterized in that the slide guide mechanism 84 provided between 80 and 81 is also provided for slide adjustment.