JPS61158410A - Material supply method to molding machine - Google Patents

Abstract

PURPOSE:To supply a predetermined quantity of a material to a hopper by carrying swiftly and correctly the same to a specific molding machine, by reciprocating a carry bucket between a material reservoir and the hopper of each of molding machines. CONSTITUTION:When a carry bucket 14 is stopped underneath any of hopper driers 7-12, a material metered by a metering measure 15 is removed to the carry bucket. The same is sent up to the upper part of a hopper 1a of a molding machine 1 and stopped at a predetermined position of the upper part of the hopper. When the carry bucket 14 is stopped, a bottom lid 18 is pushed open by driving an air cylinder 20 and the material in the carry bucket is dropped into the hopper 1a. In this instance, the hopper 1a is at an advanced position along with an injection device. When supply of the material to the hopper is completed, the bottom part of the carry bucket is closed and moved to hopper dryer 7-12 sides. With this constitution, there is no such troublesomeness as to supply of the material through an air pipe.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application 1] The present invention relates to a method of supplying material to a plurality of injection molding machines.

[Prior Art] Air conveyance through a pipe is generally used to supply material to a hopper included in a molding machine.

[Problem to be Solved by the Invention 1] Air conveyance using pipes has the problems of overuse of pipe hoses and troublesome cleanup.

C. Means for Solving Problems] This invention was devised to solve the above problems, and its purpose is to supply material from above the molding machine, thereby improving the The object of the present invention is to provide a new method that eliminates the hassle and allows a predetermined amount of material to be quickly and accurately transported to a specific molding machine and supplied to a hopper.

This invention for the above purpose arranges a required number of molding machines in parallel, installs a common guide rail and transfer belt above the hoppers of these molding machines, and arranges a plurality of material storage tanks on the transfer belt. In addition, a carrier bucket is attached to the transfer belt, and the carrier bucket is driven by the transfer belt to reciprocate between each material storage tank and the hopper of each molding machine to supply the material.

Further, the present invention will be explained in detail with reference to illustrated embodiments.

In the figure, 1.2.3 are molding machines arranged in parallel, and 4 is each molding v
A beam member made of a rectangular pipe is installed above the hoppers 18.2a and 3a of s1.2.3.A guide rail 5 is attached to the side of the beam member, and a transfer belt 6 is installed on the top and inside of the beam member 4. It is designed to be able to move freely back and forth.

Six hopper dryers 7.8 are installed on the upper part of the beam member 4 and guide rail 5 on the opposite side to the above molding rs1.2.3.
．． 9, 10, 11.12 are arranged, and different molding materials are stored in each hopper dryer A7-.

At the bottom of each hopper dryer 7 to 12, a certain amount of material is measured by driving an air cylinder 13 for measuring, and a carrier bucket 1 attached to the transfer belt 6 is placed.
A shutter-type weighing box 15 is provided.

The carry bucket 14 is connected to a shaft 16 that is attached to the transfer belt 6 and moves on the guide rail 5, and its bottom is closed by a bottom cover 18 that is always held open and closed by a spring 17. .

Further, on the lower side of the beam member 4, a lever 19 provided at the bottom i18 of the carrier bucket 14 is pressed against the spring 16 for each hopper position of the molding machine 1.2.3, and the bottom fl1
An air cylinder 20 for opening 8 is provided horizontally.

From each of the hopper dryers 7 to 12, the hoppers 1a and 2a of each molding machine 1, 2.3.

The supply of material to 3a is carried out by the carrier bucket 14, which is moved by the transfer belt 6.

The carrier bucket 14 is the hopper dryer A7-7~1
2, the material measured in the weighing pan 15 is transferred to the carrier bucket 14 by driving the air cylinder 13.

The carrier bucket 14 that has received the material is transferred to the hopper 3 of the molding machine 3 at a predetermined location by the movement of the transfer belt 6.
This movement of the transfer belt 6, which is sent to the top of the hopper 3a and stopped at the upper part of the hopper 3a by the stop W of the transfer belt 6, can be performed by driving several la ft, II ill by the pulse motor 21.

When the carrier bucket 14 stops, the air cylinder 20 is driven to push open the bottom cover 18 and drop the material in the carrier bucket into the hopper 1a.

Note that at this time, the hopper 38 is in a forward position together with the injection stomach.

When the supply of material to the hopper is completed, the air cylinder 20 returns to its original position and the bottom of the carrier bucket 14 closes.
It moves again toward the hopper dryers 7 to 12 together with the moving belt 6, and stops below one of the hopper dryers. Then, as described above, the material is transferred and moved to the next molding machine for material supply.

[Effects of the Invention] As described above, the present invention connects a required number of molding machines arranged in parallel and a plurality of material storage tanks by means of a carrier bucket that moves above the molding machine, and connects the material storage tanks to the carrier bucket. Since the material is transferred in fixed amounts at a time to be supplied to either hopper, there is no need to worry about the inconvenience that occurs when material is supplied using an air pipe.

Furthermore, since the material is supplied above the molding machine, it has the advantage of being able to supply the material at regular intervals, regardless of the molding operation.

[Brief explanation of drawings]

The drawings schematically show an apparatus used in the method of supplying material to a molding machine according to the present invention, and FIG. 1 is a partially cutaway plan view, and FIG. 2 is a partially longitudinal side view at the hopper dryer position. FIG. 3 is a partially longitudinal side view showing the hopper in position. 1.2.3... Molding machine la, 2a, 3a... Hopper 4... Beam section, material 5... Guide rail 6... Transfer belt 7-12... Hopper dryer 13...・Measuring air cylinder 14... Cali bucket 15...81 Hanging box 20
...Opening air cylinder patent applicant Nissei Jushi Kogyo Co., Ltd. Procedure Ne1nJE
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Claims (1)

[Claims] A required number of molding machines are arranged in parallel, a common guide rail and a transfer belt are installed above the hoppers of these molding machines, a plurality of material storage tanks are arranged on the transfer belt, and a plurality of material storage tanks are arranged on the transfer belt. A method for supplying material to a molding machine, comprising: attaching a carry bucket; and supplying the material by reciprocating the carry bucket between each material storage tank and the hopper of each molding machine by driving a transfer belt.