JPH0446812B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to an automatic device for pushing cushioning material into a container containing a required amount of an article such as a drug to prevent the article from being damaged.

BACKGROUND TECHNOLOGY AND PROBLEMS Conventionally, when tablets are stored in a required amount in a bottle or other container and shipped, the tablets may break due to vibrations applied to the bottle or drug during transportation. This occurs when there is a space inside the container, causing the medicine to move freely, colliding with the inner wall of the bottle or container, or colliding with itself, and causing damage due to the impact force. To prevent this, after filling the container with the medicine, antiseptic cotton or sponge is pushed in to fill the space inside the container. However, cotton has the disadvantage that the cotton fibers may stick to the drug, and sponges may have the odor of the material. To prevent this, a method has recently been put into practical use in which a synthetic resin film such as polyethylene is cut into a desired size and then rolled up and filled into a container. However, filling with this resin film requires large-sized equipment. That is, containers filled with drugs are supplied onto a turntable at a fixed pitch, and the containers are moved as the turntable is driven, and a rod and a pipe for pushing the film are placed above the turntable and at a position facing each container. Each of the rod pipes is arranged as a set, and each rod pipe is rotated in synchronization with the rotation of the turntable, and the film is supplied at a fixed position, and the film is fed into the container by the lowering operation of the rod at another fixed position. It is rolled up and pushed in. This not only increases the size of the device, but also makes the mechanism complicated because a pushing mechanism is required for each container, and the device also becomes expensive.

In view of this, the present invention aims to simplify the mechanism, shorten the operating time, improve production capacity, and reliably fill the cushion film according to the size of the container. What I did,
A cutting means for cutting the wound resin film into a fixed size and a feeding means for further feeding out the cut film are provided on the way of the means for sequentially feeding out the wound resin film from the film roller, and the feeding means and cutting means are arranged according to the size of the container, etc. The length of the filled film can be variably cut according to the height of the container, and a means for rolling the film and pushing it into the container is provided at a position in front of the feeding means, and the pushing means is adjusted to the height of the container. It consists of a pair of push-in rods that move up and down in a variable manner, and a guide pipe that is arranged below each rod so that the rod can be inserted. The guide pipe is placed at the film supply position and the pushing position on the container conveyance line, and the guide pipe is turned upside down and rotated to alternately switch the positions, thereby turning the pipe upside down and raising and lowering the pushing rod. and the intermittent feed speed of the container conveyance line.

Embodiments The present invention will be described below based on embodiments shown in the drawings.

FIG. 1 is an explanatory view schematically showing the entire cushioning material pushing device of the present invention, in which a polyethylene film tube or other film F is filled into a container B.
Guide roller from the film roll R that has been wound up.
G ₁ , G ₂ , G ₃ ... are guided and unrolled in sequence at Gn, and this final guide roller
Feeding rollers 1, 1 are arranged close to Gn or in the middle of feeding the film, and the film F is held between both sides by these rollers 1, 1, and the film is rolled up and pushed into the container by the drive of the rollers. A cutter 2 is disposed close to the feed roller 1 to cut the feed film F into a predetermined length. This cutter 2 may have an elevating cutting blade and cut the film with the elevating and descending blade, but for more effective cutting, rotating rollers are placed above and below the film, and the blade is attached to this roller. The blades 2a of the upper and lower rollers may be provided in a protruding manner, and the blades 2a of the upper and lower rollers may be synchronized with the feeding of the film so that the film is cut when the upper and lower sides coincide. Further, a feeding device 3 is provided in close proximity to the cutter 2 so that the film F cut to a fixed size is held between the film members and fed out accurately. This sending device 3 is the second
As shown in detail in the figure below, rollers 3a and 3b are disposed at both ends, and belt conveyors with an endless belt 3c stretched between the rollers 3a and 3b are disposed vertically opposite each other, and both upper and lower belt conveyors 3A, 3B When the rollers 3a are driven in synchronism, the film F cut to a fixed size is held between the upper and lower belt conveyors 3A and 3B and sent to the next process side. The roller 3a, the cutter 2, and the feed roller 1 are driven in synchronism by engaging gears fixed to the ends of each shaft either directly or via intermediate gears, as shown in the figure. A film pushing means 4 adjacent to the feeding device 3 has two pushing rods 4a and 4b that move up and down, and two guide pipes 5 extending upwardly.
a and 5b are arranged below and are arranged vertically opposite each other. More specifically, the push-in rods 4a and 4b are vertically disposed so as to protrude downward from a lifting frame 42 that is slidably supported by a guide rod 41 that projects vertically from the main body frame. Arm 4
3, and by moving the arm 43 up and down, the elevating frame, that is, the two push-in rods 4a and 4b, can be raised and lowered at the same time.
Even if this arm 43 is replaced with a cylinder, similar lifting and lowering operations can be performed. These two push-in rods 4a and 4b push one end of the film F into the guide pipe 5a or 5b into the guide pipe 5a or 5b, and guide the film by folding it in half and rolling it up. The film is pushed into the pipe, and the other pushing rod 4b is used to invert the film pushed into the guide pipe, that is, to flip the guide pipe upside down and insert it into the container. The push rods 4a and 4b are arranged so that the push rods 4a and 4b are positioned in the vicinity of the delivery device, and the push rods 4b are positioned outwardly from this position on the line for conveying containers such as bottles. Rod 4b is slightly longer than rod 4a.

The guide pipes 5a and 5b both have the same diameter and length, and are adjacent to the film feeder 3 at a position below the film line sent out from the feeder 3, and the guide pipes are vertically inverted and the two guide pipes are The push rods 4a and 4b are moved alternately. This is a shaft 51 that is rotatably supported in the vertical direction on a pushing frame Fa that protrudes in a direction perpendicular to the film feeding direction. A tooth shaft 52 is fixed, two bevel gears 53 and 54 are arranged opposite to each other and meshed with this bevel gear, and shafts 55 and 56 are fixed to these bevel gears 53 and 54, and both shafts 55 and 56 are coaxially connected. The guide pipe 5 is arranged at the center and at the tip of each shaft.
By rotating the shaft 51, for example by rotating a sprocket wheel 59 provided at the end of the shaft using a chain, the bevel gears 55, 56 can be rotated. Like a planetary gear, it revolves around the bevel gear 51 on its outer periphery and rotates on its own axis, thereby simultaneously inverting the guide pipe vertically and moving its position.What is the inversion and movement (turning) of this guide pipe? This is to synchronize the lifting and lowering movements of the push rods 4a and 4b.

The conveyance line for containers such as bottles is disposed below the reversing transfer section of the guide pipe and is vertically adjustable so that the mouth edge of the container and the lower edge of the guide pipe are close to each other. It is arranged in a direction that does not interfere with the conveyance, and is made of a belt conveyor or the like, and guides 61, 61 are disposed on both sides of the conveyance line conveyor 6 so that the containers do not separate from the line conveyor. In addition, this guide 61 can be changed depending on the size of the container.

Further, the length of the film to be cut is determined by a slide frame 7 having a feed roll 1, a cutter 2, and a feed device 3, which is supported movably in the film feed direction relative to the main frame, and an adjustment screw 8 is rotated by a handle 8a. By moving the slide frame 7, the slide frame 7 is moved back and forth, thereby changing the cutting position by the cutter, and the feeding device 3
This is done by changing the distance from a stopper S, which is disposed on the push-in frame Fa and protrudes from the table 9 on which the film is placed. This is appropriately determined depending on the size of the container, especially the volume of the space inside the container.

The film F cut to a fixed size is held by a belt conveyor-type feeding device, and when the film is placed on a table by the drive of the device, a film is directed from above toward the center of the film. Then, the pushing rod 4a descends and passes through a window hole (not shown) provided in the table, and the film F is pushed into a guide pipe waiting below the window hole so as to be rolled up. When the push-in rods 4a and 4b rise, the guide pipe is turned upside down by the drive of the bevel gear, and the one under the push-in rod 4a goes under the other rod 4b, and conversely, the one under the rod 4b goes under the other rod 4a. Each position changes and is replaced below. This operation is performed sequentially and alternately. Next, when the pushing rod 4b descends, the film inside the guide pipe with the film pushed into it is pushed out of the pipe by the rod 4b, which is longer than the rod 4a, and is pushed out into the container located below the lower end of the pipe. It is forced to be inserted into. At this time, the film that is pushed into the container is rolled up so that both edges are folded in half first, and the center part is turned backward, and then the film is pushed into the container and acts as a cushioning material. These push rods 4a, 4b
When the film is simultaneously lowered, the film is pushed into the guide pipe on the one hand, and the film is pushed into the container from the guide pipe on the other hand at two different points at the same time.

Effects of the Invention According to the present invention, two push rods are installed in parallel: a push rod that pushes the film cut to a fixed size into the guide pipe, and a push rod that inserts and fills the film pushed into the guide pipe into the container. The two rods are raised and lowered at the same time, and guide pipes are placed below both rods, and the two guide pipes are turned upside down and their positions are alternately switched.
The structure is extremely simple, and the above film can be reliably filled into the container in a ball that acts as a cushioning material.Moreover, since the operation is simple, it operates quickly in synchronization with the conveyance line speed of the container. has.

[Brief explanation of the drawing]

Fig. 1 is a schematic explanatory diagram of the whole, Fig. 2 is a front view of the main parts, Fig. 3 is a plan view, Fig. 4 is a plan view of the guide pipe section, Fig. 5 is a side view of the same, Fig. 6 is FIG. F is film, R is film roller, G ₁ , G ₂
...Gn is a guide roller, 1 is a feeding roller,
2 is a cutter, 2a is a blade, 3 is a feeding device, 3
a, 3b are rollers, 3c is an endless belt, 3
A and 3B are belt conveyors, 4 is a film pushing means, 4a and 4b are pushing rods, 41 is a guide rod, 42 is a lifting frame, 43 is an arm, 5a and 5
b is a guide pipe, 51 is a shaft, 52 is a bevel gear, 5
3, 54 are bevel gears, 55, 56 are shafts, 57, 58
is a pipe support, 59 is a sprocket wheel,
6 is a conveyor line conveyor, 61 is a guide, 7 is a slide frame, 8 is an adjustment screw, 8a is a handle, 9 is a table, and S is a stopper.

Claims (1)

[Claims] 1. A cutting means for cutting the film to a fixed size and a feeding means for further feeding out the cut film are provided in the middle of the means for feeding out the film sequentially from the film roller, and the feeding means and cutting means are used to adjust the length of the filled film according to the size of the container, etc. The film is of a variable adjustable type so that it can be cut variably, and a means for rolling up the film and pushing it into the container is disposed in front of the feeding means, and this pushing means is variable and can be raised and lowered according to the height of the container. It consists of a pair of push-in rods and a guide pipe disposed below each rod so that the rod can be inserted, and these two parallel guide pipes are connected to the film supply position near the feeding means and to the container. The guide pipe is placed at the push-in position on the conveyance line, and the guide pipe is rotated while being turned upside down, and the position is alternately turned upside down.
A cushioning material pushing device characterized in that a film is automatically inserted into a container as a cushioning material by synchronizing the rotation, the lifting and lowering of a pushing rod, and the intermittent feeding speed of a container conveying line.