JPH03162292A - Inner plug inserting apparatus - Google Patents

Abstract

PURPOSE:To deal with various types of vessel by providing plug removing means for moving a plug grasping means comprising a sucking unit for sucking the surface of the plug and holding section at a suitable position. CONSTITUTION:An inner plug inserting robot 10 sucks a positioned inner plug N by sucking means 15 of an inner plug supply hand 11, holds it by a holding pawl 14, centers the plug N and stands ready. On the other hand, a vessel Y is placed on a pallet P, conveyed to the front surface of a press-fitting unit 1 by a pallet conveyer 61, and positioned directly under each press-fitting head 2 provided at the unit 1. Then, the robot 10 moves the hand 11 sucking the plug N between the head 2 and the vessel Y, positions the pressing receiver 16 of the hand 11 directly under the head 2, then opens the pawl 14, releases the plug N, and moves down the head 2. Thus, the plug N can be effectively inserted into a vessel.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a device for inserting an inner lid such as an inner stopper into a container opening. (Prior art) Generally, the diameter of the container used for cosmetics, etc. is set to a large diameter in consideration of the filling efficiency of the product liquid, etc., and the inner stopper is inserted into the container to increase the diameter of the container. The amount of discharge during use is adjusted accordingly.

Conventionally, a device described in detail below has been frequently used as a device for inserting such an inner stopper into a container mouth.

That is, the device consists of a supply device for supplying the inner stopper and an insertion position 4A for inserting the inner stopper into the container, and the inner stopper supplying device rotates to align the inner stoppers with their front sides facing upward. It consists of an alignment device such as a feeder or a vibrating pole 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. Further, the insertion device is composed of a rotatable star wheel, an inner plug removal means, a container gripping means, and a pressing means that rotate in synchronization with the star wheel, and the insertion device corresponds to the recess of the star wheel. and the same number of inner stopper removal means. It includes container gripping means and pressing means. Further, the inner plug removal means is a means for hooking and taking out the inner plug supplied within the rotation radius of the inner plug,
The container gripping means is a means for holding and positioning the container, and the pressing means receives the removed inner stopper from the inner stopper removal means and presses and inserts it into the mouth of the container.

Then, containers to be continuously supplied are inserted into the recesses of the star wheel and moved on a rotational path, during which the containers are gripped and fixed by the container gripping means, and the supply chute The inner plug is inserted into the mouth of the container by the pressing means, and then discharged to the next step.

(Problem to be Solved by the Invention) However, in the above-mentioned device, since the inner stopper supplied to a predetermined position is taken out while the inner stopper taking out means rotates, there are many take-out times, and It was difficult to control the posture of the inner stopper, which resulted in a problem that the operating rate of the device was low. In addition, since the concave part of the star wheel of the device has the effect of controlling the attitude of the container, its shape must be as close to the shape of the container as possible, and the star wheel should be prepared as appropriate to match the shape of the container. It was necessary to do so. Therefore, in order to handle the wide variety of containers available in recent years, it is necessary to have a large number of star wheels, which increases costs and requires frequent replacement of star wheels when performing small-scale production. Therefore, there was a problem that production efficiency decreased.

The present invention was made in view of the above circumstances, and an object of the present invention is to provide an insertion device that can be used with a wide variety of containers when inserting an inner stopper into a container.

(Means for Solving the Problems) To achieve the above object, the present invention provides a press-fitting device comprising parallel reversing pressing means, and a positioning means for fixing a group of containers conveyed directly below the pressing means. an inner stopper comprising: an inner stopper aligning means for conveying the inner stoppers with the inner stoppers facing upward and positioning the inner stoppers in parallel; a suction section for suctioning the surface of the inner stoppers; and a clamping section provided below the suction section. It comprises a gripping means and an inner plug removal means for moving the inner plug gripping means to an appropriate position, and the suction part of the inner plug holding means has a pressure receiving part above the suction part that receives pressure from the pressing means, In addition, the suction part is movable in the vertical direction. (Function) The function of the above device will be explained below. The inner plug aligning means determines the front and back directions of the inner plugs, aligns them all face up, 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, and the suction part of the inner plug gripping means is lowered, and the entire inner plug gripping means is lowered to adsorb the inner plug. ．． Thereafter, the suction part is raised, and the entire inner stopper gripping means is also raised, and the sides of the inner stopper are held by the pinching part to center the inner stopper. On the other hand, in a press-fitting device, a group of appropriately transported containers is fixed so that the openings thereof are located directly below the pressing means of the press-fitting device. Next, when the inner stopper gripping means is moved directly above the fixed container and below the pressing means and the pressing means is lowered, this presses the receiving part of the suction part to lower the suction part, and the lower end of the suction part is lowered. The inner stopper, which has been absorbed by the liquid, is inserted into the mouth of the container. Thereafter, the pressing means is raised to raise the suction section, the inner stopper gripping means is moved above the inner stopper alignment means, and the container is unfixed and discharged to the next step.

Thereafter, by repeating the above operation, the inner plugs can be continuously inserted into the containers that are continuously supplied. (Example) Hereinafter, an example of the present invention will be described based on the attached drawings. FIG. 1 is a perspective view showing the entire device of one embodiment. As shown in the figure, the inner plug insertion device (A) includes a conveying device (60), a press-fitting device (1) provided near the conveying device (60), and a press-fitting device (1) connected to the Feeding device (6
The inner plug insertion port bot (
10), an inner plug presence checker (30) provided on the downstream side of the press-fitting device (1) with respect to the conveyance path, and a
) and a first positioning means (not shown) provided on the conveying device (60) at a position opposite to the inner stopper presence checker (3).
A second positioning means (not shown) provided on the conveying device (60) at a position opposite to the inner plug insertion port bot (1);
This device consists of an inner stopper supply device (20) located near the stopper 0). The transport device i11F (60) consists of a pallet transport conveyor (61) and a container transport pallet (P). This container conveyor (61) is a known free-flow conveyor, and conveys the container conveyor barre (P) in the direction of arrow i. In addition, as shown in Fig. 2, the container transport pallet (P) includes a rectangular substrate (50), a mounting table (51) fixed on this substrate (50), and a mounting table (51) fixed on the substrate (50). It consists of a slide (53) fixed in parallel, and a pair of supporting members (52) fixed on this slide (53) so that they can be opened and closed in the direction of arrow j. Supporting member (5
2) V-shaped notches (52a) on each side facing each other
A plurality of (six in this example) are provided at equal pitch intervals.

Further, this supporting member (52) is kept in a normally closed state by a spring (not shown), and as shown in FIG.
The supporting member (52) can be opened by pushing any one of the pair of shafts (54) provided in 2) in the direction of arrow k.

As shown in FIG. 1, the press-fitting device (1) is located above the center of the conveying path of the t'' feeding device (60).
The press-fitting head (2) is provided linearly along the conveyance direction and is movable in the direction of arrow 0.

The inner plug insertion port bot (10) is a well-known horizontal multi-articulated robot, and is equipped with an inner plug supply hand (11) at its tip. It is possible to move horizontally as well as horizontally. Then, as shown in Figure 3, the inner plug supply hand (
l1) is a hand body (12), a chuck (13),
The chuck (13) is equipped with a pair of supporting claws (14) that open and close in the direction of arrow P. Then, add three of the chasok (13) to the hand body (
12) are provided in parallel in the direction of arrow p, and the suction means (15) is further provided with a pressure receiving part (16), and the suction means (15) is connected to a pair of supporting claws of the chuck (13). (l4), respectively, and is disposed on the hand body (l2) so as to be movable in the direction of arrow q. The inner plug presence/absence checker (30) is operated as shown in FIG. It is equipped with six cheso cars (31) located above the center of the transport path of the transport conveyor (6l), and these chenos cars (3I) are provided linearly along the transport direction. This Che-7 car (31) is equipped with a phototube switch that detects the light reflected by the inner stopper to confirm the presence or absence of the inner stopper. The inner stopper supply device (20) consists of both a known hopper feeder (2l) and a linear feeder 22) connected thereto.
1) and the linear feeder (22) are devices that use vibration to move objects in the target direction. Then, the conveyance path (24) of the linear feeder (22) and the outlet of the Hoffbar feeder (21) are connected, and the conveyance path (24) of the linear feeder (22) is connected to the outlet of the Hoffbar feeder (21).
4) is structured such that it branches into three conveyance branch paths (25) along the way. A V-shaped positioning portion (23) is provided at the end point of each of the conveyance branch paths (25). Inner stopper replenishment equipment f connected to hopper feeder <21)
f (26) and a homper feeder (21
) is supplied with an ia amount of medium stopper (N) at the appropriate time.

Further, the first positioning means (not shown) and the second positioning means (not shown) are connected to the container 23R feeding pallet (P
) and a supporting means for supporting the body of the container (Y).

Next, a mode of inserting an inner stopper into the mouth of a container using the inner stopper insertion device (A) having the above structure will be explained. Is the hopper feeder (21) equipped with the inner plug?
The hopper feeder (21) receives and stores an appropriate amount of the medium stopper (N) from the hopper feeder (26).
The inner stopper (N) is conveyed to the outlet of the feeder while determining the front and back sides of the feeder, and then the inner stopper (N) is continuously fed into the conveyance path (24) of the linear feeder (22). And the inner stopper (N)
are advanced by the linear feeder (22) toward the positioning section (23) along the conveyance base path (24), and along the way are distributed to each of the three conveyance branch paths (25), and then transported to the positioning section (23). I am forced to reach it. As a result, the inner stopper (N) can be positioned in the positioning portion (23). In this way, the hosobar feeder (21
), the inner stopper (N) is sequentially conveyed to the positioning section (23). Then, the inner plug insertion robot (10) inserts the inner plug (N) positioned in the positioning part (23) as described above in FIG.
The suction means (15) of the inner stopper supplying hand (1l) shown in this figure is used to bite the inner stopper, and the holding claw (14) supports this to center the inner stopper (N) and wait.

On the other hand, the container CY) is transported to the container transport pallet (CY) shown in FIG.
1'), and the pallet a conveyor (6
1), it is conveyed to the front of the pressing device (1), and is positioned by the first positioning means (not shown). At this time, the container (Y) is located directly below each presser head (2) provided in the press-fitting device (1>).

Next, the inner plug insertion port poff} (10) moves the inner plug supply hand (l1) that has absorbed the inner plug (N) to the pressure head (2).
) and the container (Y), and position the pressure receiving part (16) of the inner stopper supply hand (11) directly below the press-fitting head (2). Thereafter, the supporting claw (14) is opened to release the support on the inner plug (N), and the press-fitting hend (2) is lowered in the direction of arrow ○, so that the core press-fitting hend (2) is connected to the inner plug supply hand ( Press the pressure receiving part (16) of 11),
At the same time as the suction means (15) is moved downward, the inner stopper (N) is inserted into the mouth of the container (Y). After inserting the inner stopper (N), the high pressure head (2) moves upward, and the inner stopper supply robot (10) supplies the inner stopper to the positioning part (23) of the linear feeder to pick up the next inner stopper (N). Move the hand (11). As mentioned above, six containers (Y) are placed ia on the container transport pallet (P), and three inner plugs (N) are inserted into each container (Y) at the same time. In this way, all the containers (Y
) After inserting the inner stopper into the container transport valent (I'
) is released and transported to the front of the 7 car (30) with and without an inner stopper. and second positioning means (
(not shown) to position the container transport pallet (P) and the container (Y), and check the presence or absence of the inner stopper (N) using the inner stopper presence checker (30). After that, the containers (P) and containers (-Y) are unpositioned and transported to the next process. In this example, six containers are transported as a group, and the inner plugs are inserted into three containers of this group at the same time, but this is not limiting. The number of plugs and the number of plugs inserted at the same time can be set as appropriate. (Effects of the Invention) According to the device of the present invention, unlike conventional devices, the removal means does not move to take out the inner stopper that has been positioned at a predetermined position, so the inner stopper can be reliably taken out.
After the suction part suctions the inner stopper, the supporting part supports the side of the inner stopper, making the inner stopper's posture stable and ensuring that it can be inserted into the container. or,? 3. Since the inner plugs are inserted into several containers at the same time, production efficiency can be improved.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing one embodiment of the device of the present invention, Fig. 2 is a perspective view showing an example of a pallet for conveying containers, and Fig. 3 is a perspective view showing an example of an inner stopper supply hand. , (A)...Inner stopper insertion device, (P)...Container transport pallet, (N)...Inner stopper, (1)...
Press-fitting device, (10)... Inner plug insertion port bot, (20)... Inner plug supply device, (30)... Inner plug presence/absence checker (60)... Conveying device.

Claims (1)

[Claims] A press-fitting device including a plurality of pressing means arranged in parallel, a positioning means for fixing a group of containers conveyed directly below the pressing means, and an inner stopper for conveying the inner stoppers with the inner stoppers facing upward and positioning the inner stoppers in parallel. An inner plug gripping means comprising an alignment means, a suction part for sucking the surface of the inner plug, and a clamping part provided below the suction part, and an inner plug removal means for moving the inner plug gripping means to an appropriate position. An inner plug insertion device, wherein the suction portion of the inner plug gripping means includes a pressure receiving portion above the suction portion that receives pressure from the pressing means, and the suction portion is movable in the vertical direction.