JPH0676102B2 - Inside plug insertion device - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a device for inserting an inner lid such as an inner stopper into a container mouth.

(Prior Art) In general, a container used for cosmetics or the like has a large diameter at its mouth portion in consideration of the filling efficiency of the product liquid, etc. The discharge amount during use is adjusted by appropriately narrowing the aperture. Conventionally, as a device for inserting such an inner plug into the mouth portion of a container, a device described in detail below has been widely used.

That is, the device is composed of a supply device for supplying the inside plug and an inserting device for inserting the inside plug into the container, and the inside plug supply device aligns the front side of the inside plug upward and aligns them. It comprises an aligning device such as a vibrating ball feeder, a supply chute for conveying the aligned inner plugs to a predetermined position, and a positioning means provided at the outlet end of the supply chute. The insertion device is composed of a rotatable star wheel and four members, that is, an inner plug removing means, a container holding means and a pressing means that rotate in synchronization with the star wheel, and correspond to the concave portion of the star wheel. position,
It is provided with the same number of inner plug removing means, container holding means and pressing means. Further, the inner plug removing means is a means for hooking and removing the inner plug supplied within the radius of rotation of the container itself, the container gripping means is a means for holding the container and positioning it, and the pressing means is a removing means. The above-mentioned inner plug is received from the inner plug removing means, and is pressed into the container mouth portion to be inserted.

However, a container that is continuously supplied is inserted into the recess of the star wheel to move the container on the rotation path, and while the container is gripped and fixed by the container gripping means, the container is supplied by the supply chute. The inner plug is inserted into the mouth of the container by the pressing means, and then it is discharged to the next step.

(Problems to be Solved by the Invention) However, in the above-described device, since the inner plugs that are supplied to the predetermined position are taken out while the inner plug taking-out means rotates, there are many taking-out mistakes and It is difficult to control the attitude of the inside plug, and this causes a problem that the operating rate of the device is reduced.

Further, the star wheel of the device has a concave portion that acts to control the attitude of the container, and therefore the shape thereof needs to be as close as possible to the container shape, and a star wheel is appropriately prepared according to the container shape. Had to do. Therefore, it is necessary to have a large number of star wheels in order to cope with a wide variety of containers in recent years, and the cost associated therewith increases, and it is necessary to frequently replace the star wheels when performing small-lot production. However, there was a problem that the production efficiency decreased.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an insertion device capable of accommodating a wide variety of containers when inserting the inner stopper into the container.

(Means for Solving the Problem) The present invention for achieving the above-mentioned object, a press-fitting device including a plurality of pressing means arranged in parallel, a positioning means for fixing a group of containers conveyed immediately below the pressing means, Inner plug aligning means for aligning and conveying the inner plugs in the front direction and positioning a plurality of these in parallel, a suction part for sucking the surface of the inner plug, and an inner plug gripping means provided with a sandwiching part provided below the suction part. And an inner plug removing means for moving the inner plug gripping means to an appropriate position, the suction part of the inner plug gripping means is provided with a pressing receiving part above which the pressing part receives the pressing force from the pressing means, and the suction part The gist is that the unit can move in the vertical direction.

(Operation) The operation of the above device will be described below.

The inner plug aligning means determines the front and back directions of the inner plugs, aligns all of them in the front direction, continuously conveys them, and sequentially positions them in parallel at predetermined positions.

Then, the inner plug gripping means of the inner plug removing means is moved above the positioned inner plug to lower the suction part of the inner plug gripping means and lower the entire inner plug gripping means to adsorb the inner plug. . Thereafter, the suction part is raised and the whole inner plug gripping means is raised, and the side face of the inner plug is held by the holding part to perform centering.

On the other hand, in the press-fitting device, a group of appropriately transported containers is fixed so that the mouth of the container is located directly below the pressing means of the press-fitting device. Next, when the pressing means is moved down immediately after the container holding the inner plug gripping means is fixed and below the pressing means, the pressing means lowers the receiving part of the suction part to lower the suction part, and the lower end of the suction part. The inner plug adsorbed on is inserted into the mouth of the container. Thereafter, the pressing means is raised to raise the suction part, the inner plug gripping means is moved to above the inner plug aligning means, and the container is unfixed and discharged to the next step.

After that, by repeating the above operation, the inner plug can be continuously inserted into the container that is continuously supplied.

(Example) Hereinafter, an example of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a perspective view showing the entire apparatus of one embodiment.

As shown in the figure, the inside plug insertion device (A) is
0), a press-fitting device (1) provided near the transfer device (60), and the transfer device (60) for the press-fitting device (1).
Robot for inserting inside plugs (10) provided at opposite positions across
And a stopper checker (30) provided on the downstream side of the press-fitting device (1) with respect to the transfer path, and a first positioning means (60) provided on the transfer device (60) at a position facing the press-fitting device (1). (Not shown), a second positioning means (not shown) provided in the transfer device (60) at a position facing the inside plug presence / absence checker (30), and a second positioning means (not shown) near the inside plug inserting robot (10). It is a device consisting of an installed inner plug supply device (20).

The transfer device (60) includes a pallet transfer conveyor (61),
The container transport pallet (P). The pallet transfer conveyor (61) is a known friflow conveyor, and transfers the container transfer pallet (P) in the direction of arrow i.

Further, as shown in FIG. 2, the container transfer pallet (P) has a rectangular substrate (50), a mounting table (51) fixedly mounted on the substrate (50), and similarly on the substrate (50). It comprises a slide (53) fixed in parallel, and a pair of nipping members (52) fixed on the slide (53) and configured to be openable and closable in the direction of arrow j. The sandwiching member (52) is provided with a plurality of V-shaped notches (52a) (six in this example) at equal pitches on each side facing each other. Further, the holding member (52) is normally closed by a spring (not shown), and any one of a pair of shafts (54) provided on the holding member (52) as shown in FIG. The holding member (52) can be opened by pushing one shaft in the direction of arrow k.

As shown in FIG. 1, the press-fitting device (1) is equipped with six press-fitting heads (2) located above the center of the carrying device (60) in the width direction of the carrying path. Is linearly provided along the transport direction and is movable in the direction of the arrow o.

The inside plug insertion robot (10) is a well-known horizontal multi-joint type robot, and is provided with an inside plug supply hand (11) at its tip, and the inside plug supply hand (11) is moved forward and backward and left and right. It is movable as well as movable in the horizontal rotation direction. As shown in FIG. 3, the inside plug supply hand (11) includes a hand body (12), a chuck (13), and a suction means (1).
5), and the chuck (13) is provided with a pair of holding claws (14) that open and close in the arrow p direction. The three chucks (13) are provided on the hand body (12) in parallel with each other in the p direction of the arrow, and the suction means (15) is provided with a pressure receiving portion (16). ) Are respectively provided between the pair of holding claws (14) of the chuck (13) and are movably arranged in the hand main body (12) in the arrow q direction.

As shown in FIG. 1, the inside plug presence / absence checker (30) includes six checkers (31) located above the center of the pallet transfer conveyor (61) in the width direction of the transfer path,
The checker (31) is provided linearly along the carrying direction. The checker (31) is provided with a photoelectric tube switch, and receives the reflected light reflected by the inner plug to confirm the presence or absence of the inner plug.

The inside plug supply device (20) is composed of both a known hopper feeder (21) and a linear feeder (22) connected to the known hopper feeder (21). The hopper feeder (21) and the linear feeder (22) do not vibrate. It is a device that can be used to move an object in a target direction. Then, the conveying base passage (24) of the linear feeder (22) and the outlet of the hopper feeder (21) are connected to each other, and the conveying base passage (24) is connected along the way.
It is divided into two transport branches (25). A V-shaped positioning portion (23) is provided at each end of the transport branch (25). Further, an inner plug replenishing device (26) connected to the hopper feeder (21) is provided to supply an appropriate amount of the inner plug (N) to the hopper feeder (21) at a proper time.

The first positioning means (not shown) and the second positioning means (not shown) are stopping means for stopping the container transport pallet (P) and holding means for holding the body of the container (Y). It consists of

Next, an aspect in which the inside plug is inserted into the container mouth portion using the inside plug insertion device (A) having the above configuration will be described.

The hopper feeder (21) is provided with the inside plug replenishing device (2
6)) received an appropriate amount of inner plug (N) and stored it. The hopper feeder (21) discriminates the front and back of the inner plug (N) and conveys it to its own outlet. Afterwards, the inner stopper (N) is attached to the transfer base path (24) of the linear feeder (22).
Is continuously fed. Then, the inner stopper (N) is moved by the linear feeder (22) through the transfer base path (24) to the positioning portion (23).
Toward the three transport branches (2
It is distributed to each of 5) and reaches the positioning part (23). As a result, the inner plug (N) can be positioned in the positioning part (23). In this way, the inner plug (N) is sequentially conveyed from the hopper feeder (21) to the positioning portion (23).

Then, the inside plug inserting robot (10) sucks the inside plug (N) positioned in the positioning portion (23) as described above by the suction means (15) of the inside plug supply band (11) shown in FIG. , The holding claws (14) are clamped to center the inner plug (N) and stand by.

On the other hand, the container (Y) is placed on the container transfer pallet (P) shown in FIG.
It is transported to the front surface of the press-fitting device (1) by 1) and positioned by the first positioning means (not shown). At this time, the container (Y) is located immediately below each press-fitting head (2) provided in the press-fitting device (1).

Next, the inside plug insertion robot (10) moves the inside plug supply hand (11) adsorbing the inside plug (N) between the press-fitting head (2) and the container (Y). The pressure receiving part (16) of 11) is positioned directly below the press-fitting head (2). Then, the clamping claw (14) is opened to release the clamping of the inner plug (N), and the press-fitting head (2) is lowered in the direction of the arrow o, whereby the press-fitting head (2) is moved to the inner plug supply hand ( The pressure receiving portion (16) of 11) is pressed, and the suction means (15) is moved downward, and at the same time, the inner plug (N) moves the container (Y).
It is inserted into the mouth of the.

After inserting the inner plug (N), the press-fitting head (2) moves upward, and the inner plug feeding robot (10) feeds the inner plug feeding hand to the positioning portion (23) of the linear feeder to adsorb the next inner plug (N). (1
1) Move. As described above, six containers (Y) are placed on the container transfer pallet (P), and three inner plugs (N) are simultaneously inserted into each container (Y).

Thus, all containers (Y) on the container transfer pallet (P)
After inserting the inner stopper, the positioning of the container transfer pallet (P) is released and the container is conveyed to the front of the inner stopper presence / absence checker (30). And second positioning means (not shown)
The container transfer pallet (P) and the container (Y) are positioned by, and the presence or absence of the inner stopper (N) is confirmed by the inner stopper presence / absence checker (30). After that, the positioning of the container transfer pallet (P) and the container (Y) is released, and this is transferred to the next step.

In this example, six containers are conveyed as a group, and the inner stoppers are simultaneously inserted into three of the one group of containers, but the number of containers to be conveyed is not limited to this. The number of inner plugs to be inserted at the same time can be set appropriately.

(Effects of the Invention) According to the device of the present invention, unlike the conventional device, the inner plug positioned at a predetermined position is not taken out while the removing means is moved, so that the inner plug can be reliably taken out, and
After the suction part adsorbs the inner plug, the holding part holds the side surface thereof, so that the posture of the inner plug is stable and can be reliably inserted into the container.

Further, since the inner plug is inserted into a plurality of containers at the same time, the production efficiency can be improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the device of the present invention, FIG. 2 is a perspective view showing an example of a container transport pallet, and FIG. 3 is a perspective view showing an example of an inside plug supply hand. . (A) …… Inner plug insertion device, (P) …… Container transfer pallet, (N) …… Inner plug, (1) …… Press-fitting device, (10) …… Inner plug insertion robot, (20) …… Inside stopper supply device, (30) …… Checker for inside stopper presence, (60) …… Conveyor device.

Claims (1)

[Claims] 1. A press-fitting device having a plurality of pressing means arranged in parallel, a positioning means for fixing a group of containers conveyed immediately below the pressing means, an inner stopper which is conveyed in a frontal direction, and a plurality of these are arranged in parallel. An inner plug aligning means for positioning the inner plug, a suction part for sucking the surface of the inner plug, and an inner plug gripping means having a sandwiching part provided below the suction part, and an inner plug gripping means for moving the inner plug gripping means to an appropriate position. An inner plug inserting device comprising a plug removing unit, a suction unit of the inner plug gripping unit having a pressing receiving unit above which the pressing unit receives the pressure from the pressing unit, and the suction unit is movable in the vertical direction.