JPH0788065B2 - Molding seal device for containers with spout - Google Patents

Description

TECHNICAL FIELD The present invention relates to a molding and sealing device for obtaining a container for beverage or the like having a spout capable of filling and discharging various liquids, powders and the like. is there.

(Prior Art) A container body is heat-sealed with a synthetic resin film or a sheet or the like laminated with the film (hereinafter simply referred to as a film), and then a separately manufactured spout made of synthetic resin or the like is attached to the container body. For example, a technique of inserting into the opening and heat-sealing using a heat-sealing device is described in
It has already been introduced in Japanese Patent Publication No. 53-15659 and Japanese Utility Model Publication No. 53-30523.

By the way, in the case of manufacturing a container having a spout as described above, when comparing the time required for the step of molding the container body with the time required for the step of integrally heat-sealing the container body and the spout, the container body The time required for molding t ₁
And the time required for sealing the spout and the container body is t ₂ , there is a relation of t ₂ = (3 to 4) × t ₁ , and the sealing time t ₂ between the spout and the container body is the molding time of the container body. Since it takes 3 to 4 times the time t ₁ , it has been very difficult to connect both steps to speed up the machine.

And, regardless of whether or not the two steps are connected, when the container main body and the spout are matched and delivered to the heat-sealing portion that integrates the both, the position of the spout with respect to the container main body easily shifts. At present, there is a strong demand for efficient production of a defect-free container by always integrating the two in precise positions.

(Problems to be Solved by the Invention) As described above, in the conventional manufacturing technique of this type of container,
Since there is a large difference in the time required between the process of molding the container body and the heat-sealing process that integrates the molded container body and the spout, it is physically necessary to connect both processes and speed them up. Is difficult to do,
Further, there is a problem that it is difficult to accurately position the container body and the spout when they are integrated, and it has been strongly desired to eliminate these and obtain a container having an efficient and accurate structure.

The present invention was developed to meet the above needs,
An object of the present invention is to provide a molding and sealing device for a container having a spout, which can efficiently manufacture the container with the spout by connecting each process and accurately align the container body and the spout. .

(Means for Solving Problems) Therefore, the present invention provides a film supply device for supplying a long film, a film transfer device for transferring the film supplied from the device, and a film transfer device during the transfer. A container main body molding unit comprising a main body sealing device for welding a film with an appropriate width and a total punching device for punching around the welded portion of the film, and the container main body formed by the total punching The container body delivery device which receives from the container and delivers it to the spout sealing part of the next process, the spout alignment supply part which supplies the spout to the container body in conjunction with the container body delivery device, and the container body from the container body delivery device. It consists of a station to be delivered, a station for inserting the spout into the container body, and a spout sealing part having a plurality of sealing stations. It is what

(Function) The film delivered from the film supply device is conveyed by the film conveying device, is welded by the main body sealing device to an appropriate width, and is punched around the welded portion by the total punching device. The punched container body is delivered to the spout seal portion by the container body delivery device. On the other hand, the spouts sequentially supplied from the spout spout aligning and supplying section in an aligned state are inserted into the container body formed as described above, and welded and sealed at a plurality of sealing stations. As described above, according to the present invention, the sealing device for welding and forming the container body from the long film is connected to the welding seal portion of the spout to enable high-speed spout sealing.

(Embodiment) A molding and sealing apparatus for a container having a spout which is an embodiment of the present invention will be described in detail below with reference to the drawings.

First, the overall configuration of the apparatus of this embodiment will be outlined with reference to FIGS. 1 and 2. The apparatus is composed of three main parts: a container body molding part 110, a spout alignment supply part 100, and a spout seal part 22. , A device for delivering the molded container body and the spout to the spout sealing device 22 respectively, and a device for discharging a completed container in which the spout and the container body are integrated are attached. There is.

The container body molding unit 110 includes a film supply device 1, a body sealing device 15, a hole punch device 21, and a total punching device 23.
And a film transport device 6 in which the
And a waste winding device 33 for winding the remaining film after the main body of the container is punched out.

Here, the film supply device 1 controls the rotation of the film feeding roller 5 while detecting the displacement of the dancer roll 4 of the original fabric 2 wound around the rotatable support shaft 3, and the film is fed under a predetermined tension. It supplies the supply amount.

In the film transport device 6 that follows, the chain 8 that nips and transports the film 7 has a plurality of sprockets 9, 10, 11, 12, 1.
It is wound around 3, and is driven intermittently by a driving device (not shown). In this drive control, the mark alignment phototube 14 is arranged in the film running portion, and the alignment mark (not shown) printed on the film 7 is detected by the phototube 14 so that the alignment mark always stops at a fixed position. This is done by controlling the drive unit.

The main body sealing device 15 is installed above and below the film 7,
It consists of seal dies 16 and 17 that move vertically by a drive device (not shown) and cooling dies 18 and 19 that are installed immediately after the seal dies 16 and 17 and also move up and down. 7 is sealed and cooled, and the three-way seal 20 (hatched portion in FIG. 4) of the container body 34 is formed.

The hole punching device 21 comprises a punch 21a which is installed above the film 7 after the sealing and is vertically moved by a driving device (not shown) and a lower die 21b, and a hole 34a is formed in a side portion of the container body 34. (Fig. 4) is opened. The device 21 may be operated, for example, when a portion into which a finger is inserted is required when discharging a filling material. The total punching device 23 is arranged in a completed portion of the container body 34, and is installed below the film 7 and is installed above the film 7 and the punch 24 that is vertically moved by a driving device (not shown). And a die 25 fixed to a side plate (not shown), and the punch 24 operates from the bottom to the top to punch and form the container body 34 from the film 7.

26 is a container body delivery device, which is installed above the total punching device 23 and has a suction plate 27 attached thereto.
Is rotatably supported by a linear motion block 30 mounted so as to be able to move up and down in a vertical direction against a guide shaft 29 provided in a vertical direction, and the guide shaft 29 is a block that linearly moves in a horizontal direction.
It is fixed to 31. Block 31 that moves in the same horizontal direction
Is horizontally movable along the horizontal guide shaft 32 between the fixed position of the spout seal portion 22 and the total punching device 23.

The waste winding device 33 is for winding the remaining raw material on a reel after the container body 34 is punched and formed by the total punching device 23.

Next, the pouring outlet aligning and supplying unit 100 will be described.

The supply unit 100 includes a hopper 101, a vibrating aligner 102 and a chute 103. The spouts 37 put into the hopper 101 are aligned in a line by the vibrating aligner 102 and travel on the chute 103 in an aligned state. Then, each one is supplied to the spout holder device 68, which will be described later, which is also on standby at the spout supply station h, which will be described later (FIGS. 9 and 10).

Finally, the spout seal portion 22, which is the most important part of the present invention, will be described in detail with reference to FIGS. 3 to 12.

The spout sealing portion 22 is fixed to the upper end of the main rotating shaft 104, which is intermittently rotated by a drive unit (not shown) incorporated in the lower body frame 105 as shown in FIG. The upper main body frame 57 is divided into a plurality of stations around the main rotation axis of the upper main body frame 57, and the holder device 68 of the spout 37 and the sealing device 22a are installed in each station, and the main rotation shaft 104 The container body gripper device is provided at each of the parts facing the above stations.
82 are provided. Further, a container body opening device 95 is installed at the delivery station a corresponding to the delivery portion of the container body 34 and the spout 37 of the lower body frame 105. In the illustrated example, the station is composed of 8 stations a to h.

Hereinafter, each device of the spout sealing portion 22 will be specifically described.

First, referring to FIGS. 5 to 8, the sealing device 22a will be described. 35 and 36 are a pair of spout seal bars, and when they are closest to each other (FIG. 8), the spout 37 and the container are A seal portion 38 for sealing the main body 34 and shown by a chain double-dashed line in FIG.
Is formed on the body surface so that the heat insulating members 39, 40
Are fixed to the brackets 41 and 42, respectively. Heaters 43 and 44 are attached to the outlet seal bars 35 and 36, respectively.
A predetermined sealing temperature is set by the thermocouples 45 and 46.

47 and 48 are cooling chambers, which are shaped so as to cover the container main body 34 when they are closest to each other (Fig. 8) and have holes 49 and 50 through which cooling water is supplied. It is fixed to supports 51 and 52 which are respectively fixed to 41 and 42. Further, side seal bars 52 and 53 are fixed to both sides of the one outlet seal bar 36, respectively, so that both ends 20a (Fig. 4) of the upper opening of the container body 34 can be sealed. The temperature of the bars 52 and 53 is controlled to be lower than that of the spout seal bar 36.

In FIG. 8, reference numeral 55 is an adjusting bolt, which is screwed into the opposite surface side portion of the other spout seal bar 35 so that the gap S at the time of the closest approach of both spout seal bars 35, 36 can be adjusted. Is.

In FIGS. 6 and 7, reference numerals 56 and 56 denote levers arranged at both ends of the other spout seal bar 35, which are rotatably supported by bearings 58 fixed to the upper main body frame 57 and have one end thereof. Fixes the bracket 41, and the other end is connected to one link 60 end through a pin 59.

Reference numerals 61, 61 are similarly levers arranged at both ends of the one spout seal bar 36, one end of which is rotatably supported by the bearing 58, and the other end of which fixes the bracket 42 and a pin. It is connected to another end of the link 63 via 62.

Reference numeral 64 is a shaft arranged in parallel with the spout seal bars 35 and 36, and rotatably supports the links 60 and 63 at both ends thereof, and the upper body frame is provided at an intermediate portion thereof. A horizontally extending piston rod 66 of an air cylinder 65 fixed to 57 is fixed so as to be orthogonal to each other. The sixth
The state of the solid line in the figure shows the case where the piston rod 66 is advanced the most to seal the container body 34 and the spout 37. Shows the case of opening.

67 is a spout stopper, which is suspended and fixed to the upper main body frame 57, and is used to position the spout 37 when the spout 37 is supplied from the spout aligning and supplying section 100 described above to the spout holder device 68. is set up.

The above is the sealing device 22a. Next, the spout holder device 68 will be described with reference to FIGS. 5, 9, and 10.

The spout holder device 68 is provided at each station of the upper body frame 57, and the holder portion of the spout 37 extends to the center of the sealing device 22a. More specifically, one end is attached to the other end of the two shafts 71 and 72 supported in the bearing case 69 via the ball bearing 70.
The spout holders 73, 74 are fixed so as to face the center of the sealing portion of the sealing device 22a. Gears 75 and 76 are fixed to the shafts 71 and 72 in the bearing case 69, respectively, and their rotations are restricted by meshing with each other.

A lever 77 is horizontally fixed to an end portion of one shaft 71 protruding outside the bearing case 69, and a cam follower 78 is rotatably supported on the lever 77. Lever 77
When is swung by a cam or the like (not shown) from the outside, the spout holders 73 and 74 are opened and closed accordingly, and the spout 37
Is set to grip and release.

Further, a bracket 80 is horizontally projected from the side surface of the bearing case 69, and a cam follower 79 is rotatably supported at the tip of the bracket 80 as well, and is engaged with a cam or the like (not shown) so that the bearing case 69, Shaft 71, 72, spout holder 73,
The 74 etc. are integrated and moved up and down. In addition, 81 is fixed to the upper main body frame 57, and the bearing case
It is a guide that guides the lifting of 69 etc.

The spout holders 73, 74 are raised to the position of the chain double-dashed line in FIG. The spout 37 is held by the spout stopper 67 of the sealing device 22a.

Next, the container body gripper device 82 and the container body opening device 95 installed in the lower body frame 105 will be described with reference to FIGS. 5, 11 and 12. 11 and 12 show the essential parts of the container body gripper device 82. The device comprises a pair of rotating grippers 84 pivotally supported by two gripper cases 83 and respective gripper cases. It is set so as to grip both side end portions of the container main body 34 with a pair of fixed grippers 85 fixed to 83.

On the surface of the gripper case 83 orthogonal to the rotation axis of the rotating gripper 84, a cylindrical guide 89 having bearings at both ends is communicated with and integrated with the inside of the gripper 83.
A rotary shaft 88 is inserted and supported inside, and a coil spring 92 surrounding the outer periphery of the rotary shaft 88 is loaded with the one end fixed to the rotary shaft 88 and the other end fixed to the gripper case 83. There is. A gear 87 is fixed to the end of the rotary shaft 88 on the gripper case 83 side, and the gear 87 and the gear 86 fixed to the rotary gripper 84 mesh with each other. A clamp lever 90 is fixed on the side of the rotating shaft 88 opposite to the gripper case, and a cam follower is attached to the clamp lever 90.
91 is pivotally supported. The coil spring 92 mounted between the rotary shaft 88 and the gripper case 83 always closes the rotary gripper 84 and the fixed gripper 85.

On the other hand, the free end of a bracket 93, which is fixed to the center of the cylindrical guide 89 so as to project perpendicularly to the guide 89, is rotatably supported by a vertical shaft 94, and the vertical shaft 94 moves up and down by means not shown. Then, when a fixed cam or the like (not shown) is inserted between the cam followers 91, 91, the rotary shaft 88 is rotated to rotate the gripper.
The container body 34 is released by rocking 84.

Container body opening device 95 installed on the lower body frame 105
Is a suction cup 96 attached to the upper ends of two arms 97 standing upright, facing each other. The arms 97 are opened and closed by a drive device (not shown) so as to approach and separate from each other.
Moreover, the entire device can be moved up and down in synchronization with the container body gripper device 82. In the delivery station a, the suction cup 96 sucks and opens the upper portion of the container body 34,
After moving upward, at the next spout insertion station b, a holder device for the spout 37 (FIG. 5, FIG. 9, FIG. 10)
The spout 37, which is held by the pair of spout holders 73 and 74 and descends, is inserted into the opening.

At the discharge station g of the spout seal portion 22 including the above-described parts, the sealed container product 99 is released from the container body gripper device 82 and the spout holder device 68, and discharged from the discharge device 98 to the outside of the machine. Is discharged.

Further, the main rotating shaft 104 supports the upper main body frame 57 equipped with the sealing device 22a, the spout holder device 68 and the like on the upper portion as described above, and by the drive device built in the lower main body frame 105, the main rotating shaft 104 is provided as shown in FIG. The stations a to h shown in FIG. 7 are adapted to rotate intermittently at a predetermined timing.

Now, the container body molding unit 110 and the spout alignment supply unit 100 described above.
The product is manufactured through the following steps by the molding and sealing apparatus for a container having the spout according to the present embodiment, which includes the spout sealing part 22 and the spout.

(1) Container body forming step In the container body forming section 110, the film 7 fed from the film supply device 1 is intermittently conveyed by the film conveying device 6, and the main body sealing device 15 causes the three-way seal 20 as shown in FIG. Is performed, and if necessary, holes 34a are formed here by the hole punching device 21. Then, the total punching device 23
Is punched into the shape of the container body 34, and the remaining film 7 is wound up by the waste winding device 33. The punched container body 34 is adsorbed by the suction cup 27 of the container body delivery device 26, and conveyed to a predetermined position of the spout seal portion 22 by the horizontal movement of the horizontal translation block 31. Next, it is rotated by 90 ° and delivered to the container body gripper device 82 waiting at the delivery station a of the spout sealing portion 22 in the next step.

(2) Pouring Outlet Sealing Process On the other hand, the pouring ports 37 sequentially supplied in an aligned state from the pouring port aligning and supplying unit 100 are poured into the pouring port holder unit 68 in the pouring port supplying station h of the pouring port sealing unit 22. The container is held by the outlet holders 73 and 74, and is sent to the spout insertion station b together with the container body 34 held by the container body gripper device 82 at the delivery station a.
In the present embodiment, the stations a to h are divided by 45 ° about the main rotating shaft 104.

Here, the spout holders 73 and 74 start to descend, and then the container body gripper device 82 starts to rise. At this time, the suction cup 96 of the opening device 95 is adsorbed to the upper portion of the container body 34 and opens the upper portion.

After inserting the spout 37 into the upper opening of the container body 34, the main rotating shaft 104 rotates by 45 ° and moves to the spout positioning station c.

Here, the pouring port 37 loosely inserted between the seal bars 35 and 36 is slightly lowered, and the flange portion 37a of the pouring port 37 is applied to the upper end of the container main body 34 for positioning, and the heater is immediately heated.
Start heating with 43,44. The main body of the container with the spout, which has been positioned and started to seal, continues to move by the intermittent rotation of the main rotating shaft 104 every predetermined time, and heat welding sealing is performed at the sealing stations d and e in the next stage. In this sealing step, the cooling chambers 47 and 48 can be used to reduce the thermal influence on the container body 34 side.

When the sealing is completed, in the seal opening station f, the sealing device 22a, the spout holder device 68, and the suction cup 96 are opened from the spout 37 or the container body 34, and the seal portion is naturally cooled.

Next, at the discharge station g, the product container 99, which has been completely sealed and manufactured, is also released from the container body gripper device 82 and discharged to the discharge device 98.

In the above embodiments, the spout 37 can have various shapes such as an oval, a rectangular, and a circular cross section. At this time, it goes without saying that the seal bar and the like are also changed to a structure corresponding to the shape of the spout.

(Effect of the Invention) In the production of the container having the spout as described above, the sealing time of 3 seconds is spent on the sealing of the container main body in the intermittent operation of 4 sec tact in the molding part of the container main body, while the pouring of the spout sealing part is performed. The time required for the outlet sealing is 3 to 4 times as long as 9 to 12 seconds. However, according to the device of the present invention, a plurality of stations can be rotated while the spout sealing bar is heated and pressed. Therefore, 4 seconds tact is enough for 9 ~
It is possible to secure a sealing time of 12 seconds, and the operation of the spout sealing part can be matched with the molding part of the container body with high production capacity.

Further, according to the present invention, after the container body is sealed, the container body is taken out by the container body delivery device while being punched from the die side while maintaining a stable posture immediately after punching, and is delivered to the spout seal portion. Since there is no misalignment, it can be positioned accurately and reliably to the container body gripper of the container body molding part.On the other hand, the spout is also delivered from the aligning and feeding device to the spout holder, so that the spout and container body There is no misalignment between them.

INDUSTRIAL APPLICABILITY As described above, the present invention forms a container main body from a long film, continuously combines the manufactured container main body and the spout, and seals the spouts by sealing a plurality of spout spouts between the stations. The part is connected to the high-speed process of the container body sealing process to enable high-speed spout sealing.

[Brief description of drawings]

The drawings all show a seal molding apparatus for containers having a spout according to an embodiment of the present invention. FIG. 1 is an overall front view showing the outline of the apparatus, and FIG. 2 is a perspective view showing a flow of working steps by the apparatus. Fig. 3 is a plan view of the product container after completion of sealing, Fig. 4 is a front view of the same container, Fig. 5 is a view taken in the direction of arrow V in Fig. 2 showing a spout sealing part, and Fig. 6 is a pouring device. FIG. 7 is a partial cross-sectional front view of the sealing device in the outlet seal part, FIG. 7 is a view taken in the direction of arrow VII in FIG. 6, FIG. 8 is a view taken in the direction of arrow VIII-VIII in FIG. 7, and FIG. FIG. 10 is a partial cross-sectional view of the front surface of the outlet holder device, FIG. 10 is a view taken in the direction of arrow X in FIG. 9, FIG. 11 is a view showing the container body gripper device in an enlarged view taken in the direction of arrow XI in FIG. 5, and FIG. It is a XII-XII arrow sectional drawing. Description of the main parts of the figure 1 …… Film supply device 6 …… Film transport device 15 …… Main body sealing device 21 …… Hole punch device 22 …… Spout port sealing part 22a …… Seal device 23 …… Total punching device 26 …… Container body delivery device 68 …… Spout holder device 82 …… Container body gripper device 95 …… Opening device 98 …… Discharge device 100 …… Spout alignment supply unit 104 …… Main rotation shaft 110 …… Container body molding Department

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Toshikazu Yamada 1 Takamichi, Iwazuka-cho, Nakamura-ku, Nagoya, Aichi Prefecture Mitsubishi Heavy Industries, Ltd. Nagoya Machinery Works (72) Inventor, Shoichi Shimizu Iwatsuka, Nakamura-ku, Nagoya, Aichi Prefecture Mt. Takadō No. 1 Highway in Mitsubishi Heavy Industries, Ltd. Nagoya Equipment Mfg. Co., Ltd. (72) Inventor Torio Suzuki Iwatsuka-cho, Nakamura-ku, Nagoya, Aichi Pref. No. 1 Highway in Nagoya Mfg. Co., Ltd. (56) References 57-27724 (JP, A) JP-B 59-21301 (JP, B2)

Claims (1)

[Claims] 1. A film supply device for supplying a long film, a film transfer device for transferring the film supplied from the device, and a main body for welding the film with an appropriate width during the transfer. A container body molding part consisting of a sealing device and a total punching device for punching around the welded part of the film, and receiving the total punched container body from the container body molding part to the spout sealing part of the next step Delivery container body delivery device, spout spout aligning supply unit that supplies spouts to the vessel body in conjunction with the container body delivery device, station where the vessel body is delivered from the vessel body delivery device, spout to the vessel body A molding and sealing apparatus for a container having a spout, comprising: an insertion station and a spout sealing section having a plurality of sealing stations.