JPH01281187A - Method and apparatus for classifying and feeding out tray-shaped molded container - Google Patents

Abstract

PURPOSE:To automatically distribute two or more kinds of tray-shaped molded containers fed out in a mixed state by types to feed them out to two or more feed-out conveyors in a classified state by providing two or more feed-out conveyors to the terminal part of the conveyor line connected to a molding apparatus through a distribution apparatus operated by a type sensing signal. CONSTITUTION:Two or more types of tray-shaped containers 3 molded by retaining molds 1, 2 are discharged to the same converyor line 4 at an equal interval and the types of the tray-shaped containers 3 are sensed by a sensor 11. The drive apparatus 12 for the distribution apparatus 5 provided to the terminal part of the conveyor line is operated by the sensing signal of said sensor and a different type of the tray-shaped containers 3 are distributed to the corresponding feed-out conveyors 7, 7' from the terminal part of the conveyor line 4 by the distribution apparatus 5 to feed out various types of tray- shaped containers 3 by the feed-out conveyors 7, 7'.

Description

DETAILED DESCRIPTION OF THE INVENTION "Field of Industrial Application" The present invention relates to a method for sorting and discharging dish-shaped containers and an apparatus therefor.

``Prior art'' Conventionally, one type of mold was used in one molding device for dish-shaped molding containers for dust products or agriculture, and it could be applied to mass production of one type of mold. It has become necessary to manufacture a wide variety of products, such as fruit or seedling pots, in relatively small quantities. Only chicken eggs or apples, the shape is slightly different depending on the size,
Same for each type depending on the order! For equipment efficiency, it is necessary to transport the materials in a mixed state within the ill system.

"Problems to be Solved by the Invention" The present invention enables high-mix, low-volume production by sorting multiple types of dish-shaped molded containers, which are conveyed out in a mixed state within the same transportation system, by type and sorting them to multiple conveyors. It is intended to be applied.

"Means for Solving the Problems" In order to achieve the above-mentioned object, the present invention forms a plurality of types of dish-shaped containers with different shapes using a plurality of sets of male and female forming molds, and these containers are placed on the same conveyor line. A method for sorting and discharging dish-shaped molded containers, characterized in that the containers are fed at intervals and are distributed from the line to a plurality of discharge conveyors for each type by a sorting device operated by a sensing signal of the type. or a method for sorting and carrying out dish-shaped molded containers according to the above invention, in which the dish-shaped container is a food container or a seedling pot; The method for sorting and discharging dish-shaped molded containers according to the above-mentioned invention, in which the automatic molding device for dish-shaped containers has a machine frame supporting a plurality of sets of male and female molds for molding dish-shaped containers and their operating devices, wherein the shape of the molds is However, at least one set is different from the others, in that the same conveyor line is connected to the forming device, a plurality of discharge conveyors are provided at the end of the conveyor line via a sorting device, and the above-mentioned operating device operates. The dish-shaped container sorting and discharging device is provided with a sensing device and is formed to operate a sorting device driving device in accordance with the sensing signal. The dish-shaped molded container according to the above-mentioned invention, wherein the frame is a mold for pulp mold papermaking, and the same conveyor line passes through a drying room. It consists of a sorting and unloading device.

``Operation'' Therefore, the plurality of sets of male and female molding molds 1 and 2 for molding the dish-shaped container 3 provided in the machine frame 8 are moved toward and away from each other by the operating device 9, and the material supplied between the molds 1 and 2 is moved away from each other by the operating device 9. The molds 1 and 2 form the container into a dish-shaped container 3, which is then discharged onto the same conveyor line 4 at equal intervals. The shape or dimensions of this dish-shaped container 3 are different depending on the plurality of molds 1.2, and at least one of them is different. One of the counted pieces is sensed by a sensing device 11 provided in the operating device 9, and the sensing signal causes the driving device 12 of the sorting device 5 to operate, and the piece is just discharged from the terminal end of the conveyor line 4. The irregularly shaped dish-shaped containers 3 are transported by the sorting device 5 to the plurality of delivery conveyors 7,
It is distributed to one conveyor 7 in τ, and the other dish-shaped container 3
is fed to another discharge conveyor 1 by a reverse movement of the drive 12 upon cessation of the signal.

If a pulp mold papermaking mold is used as the male and female molding form 1.2 and the dish-shaped container 3 is made of pulp mold, the container 3 is dried by passing the same conveyor line 4 through the drying chamber 13. .

The plural sets of formwork 1.2 mentioned above may have different shapes or dimensions, but there is no problem in using the same conveyor line 4.
A plurality of dish-shaped containers 3 of different shapes or sizes can be discharged onto the container 1, and the sorting device 5 can sort them into a plurality of discharge conveyors 7.1 according to their types or types.

The dish-shaped container 3 may be made of plastic, and the contents contained in the container 3 may be foods such as chicken eggs and apples, or may be a seedling-raising pot for raising seedlings and paddy.

"Example" A pulp mold dissolving tank 15 is provided in the machine frame 8, and a large-diameter rotary frame 16 that rotates inside the tank 15 is provided with nine male molding forms l for papermaking of dish-shaped containers 3. A small-diameter rotating frame 17 with three female forms 2 that fit into the male form 1 is provided on the upper part, and the rotating shafts 18 and 18' of both rotating frames 16 and 17 are rotated in opposite directions by meshing gears. An operating device 9 is formed to rotate at the same circumferential speed (as indicated by arrows a and b), and the male and female molds 1.2 are fitted into one set, and the molds 1.2 are used to mold the pulp mold dish-shaped container 3.
can be discharged onto the same conveyor line 4 at equal intervals at the same pitch. The male formwork 1 adsorbs the pulp molding liquid 19 using a suction device in the tank 15 to form a pulp mold into the formwork l, and is rotated upward and transferred to the female formwork 2. It is supplied by blowing onto the mesh plate 21 that is bypassing the starting end sprocket 20 of the line 4.

The conveyor line 4 has mesh plates 21 pivotally supported by pins 21' at equal intervals on an endless rotary check 722, and enters into the drying chamber 13 from the upper transition part of the check 722, and the dish-shaped containers on the mesh plate 21 are connected to the conveyor line 4. After drying the container 3, the net plate 21 tilts along the guide at the end of the lower transition section (below the starting sprocket 20), and the dish-shaped container 3 on the net plate 21 falls onto the short conveyor 23. 24.2
5 and onto a discharge conveyor 7, τ, located at the lower end of the chute 24,25. Shoot above 24.25
In this case, the sorting device 5 connects the sorting valve or the sorting plate 14 to the pin 14'.
Drive device 1 by means of an air cylinder 12'
2, it is possible to distribute the dish-shaped containers 3 falling from the short conveyor 23 by vibrating from the solid line position in FIG. Further, one chute 24 is provided with a branching chute (not shown), and the above-mentioned sorting device 5 is provided at the branching part, so that the material can be distributed to the three discharge conveyors 7.1.1' (not shown). The chutes 24 and 25 are not necessarily necessary, and the sorting device 5 can directly sort the materials to the discharge conveyors 7, A, and τ. The air cylinder 12' is operated by a solenoid valve, and the solenoid valve is operated by a detection signal from a motion sensing device 11 using a proximity switch provided on the machine frame 8. One irregularly shaped formwork 2 in the female formwork 2 is sensed by the iron piece 26 and the above-mentioned signal is generated. The dish-shaped container 3 falling from the short conveyor 23 is made to match the one formed by the irregularly shaped formwork 1.2. The three female formworks 2 can be used as odd-shaped formworks to distribute dish-shaped containers 3 of three types of shapes or sizes to three types of delivery conveyors 7, D, and D. If the formworks 1 and 2 are arranged in multiple rows in a direction parallel to the axis 18, 8', the same conveyor line 4 is provided in double rows, and a large number of delivery conveyors 7.1, τ.
It is possible to allocate it to... The male and female molds 1 and 2 may be moved close to each other in the vertical direction to heat-open and mold the plastic material, and the container 3 may be for food such as eggs or apples, or a seedling pot or the like. Items with different dimensions can be molded by the molding apparatus 10. In the figure, 27 indicates the guide plate of the dish-shaped container 3, 28 indicates the defective product removal device, and 29.29' indicates the dish-shaped container 3.
The stacker, 30.3g, is the pushing device in the stacker 29.2g.

"Effects" Since the present invention is based on the above-mentioned method and apparatus, the dish-shaped containers 3 having different shapes or dimensions are manufactured by the same molding device 1°, and after being conveyed in a mixed manner to the same conveyor line 4, a plurality of dish-shaped containers 3 by type are produced. The materials can be sorted and transported by conveyor 7, A, 1', etc., and high-mix, low-volume production can be carried out within the same production facility.

[Brief explanation of the drawing]

Fig. 1 is a side view showing the dish-shaped molded container sorting and discharging device of the present invention, Fig. 2 is a front view taken along line A-A in Fig. 1, and Fig. 3 is a side view taken along line B-B in Fig. 2. . l, 2... Male and female forming molds, 3... Dish-shaped container, 4... Same conveyor line, 5... Sorting device, 7, τ... Carrying out conveyor, 8-, Machine frame, 9... Operation Apparatus, 1o...Dish-shaped container automatic forming device, 11...Movement sensing device, 12...Distributing device drive device, 13...Drying room, 14...Distributing plate.

Claims (1)

[Scope of Claims] (1) A plurality of sets of male and female forming molds are used to form a plurality of types of dish-shaped containers with different shapes, and these are fed onto the same conveyor line at equal intervals, and a sensing signal for the above-mentioned types is sent. 1. A method for sorting and discharging dish-shaped molded containers, characterized in that the containers are sorted from the line to a plurality of discharging conveyors for each type by a sorting device operated by. (2) The method for sorting and carrying out dish-shaped molded containers according to claim (1), wherein the dish-shaped containers are pulp molds. (3) The method for sorting and carrying out dish-shaped molded containers according to claim (1), wherein the dish-shaped containers are made of plastic. (4) Claim (1) in which the dish-shaped container is a food container
) The method for sorting and discharging dish-shaped molded containers described in (2) or (3). (5) Claims (1) and (2) in which the dish-shaped container is a seedling growing pot.
Or the method for sorting and discharging dish-shaped molded containers described in (3). (6) The method for sorting and carrying out dish-shaped molded containers according to claim (1) or (2), wherein the dish-shaped containers are dried on the same conveyor line. (7) In an automatic dish-shaped container forming apparatus in which a machine frame supports a plurality of sets of male and female forming molds for forming dish-shaped containers and their operating devices, at least one set of the molds has a different shape. Differently, the same conveyor line is connected to the molding device, a plurality of discharge conveyors are provided at the end of the conveyor line via a sorting device, and the movement device is provided with a motion sensing device,
A sorting and discharging device for dish-shaped molded containers is formed so that a sorting device drive device is operated by the sensing signal. (8) The device for sorting and discharging dish-shaped molded containers according to claim (7), wherein the size is different instead of the shape. (9) Claim (7) wherein the formwork is a formwork for pulp mold papermaking, and the same conveyor line passes through the drying room.
Or the dish-shaped molded container sorting and discharging device described in (8). (10) The dish-shaped molded container sorting and discharging device according to claim (7), (8) or (9), wherein the sorting device is a sorting plate.