JPH1190958A - Stock unit for injection molding of injection molding machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To shorten a cycle time and to reduce a facility installing area in a completed product stock system of an injection molding machine. SOLUTION: The stock unit for an injection molding of an injection molding machine comprises a cavity case stocker 7a for containing a cavity case 6a for case-packing a complete molding by a case-packing robot 5 and a molding containing case 6b, a cavity case conveyor 8a for conveying to a molding containing case stocker 7b, and a molding containing case conveyor 8b. In this case, the conveyors 8a, 8b and the robot 5 are disposed on an upper part of a mold clamping unit 4 of the machine 1 to shorten a cycle time and to reduce a facility installation floor area.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stocking apparatus for an injection molded product in an injection molding machine.

[0002]

2. Description of the Related Art FIG. 2 shows a stocking apparatus for injection molded articles in a conventional injection molding machine. In FIG. 2, in order to operate the injection molding apparatus unattended, in order to operate the injection molding apparatus unattended, a completed molded product that has been subjected to injection molding is removed from a molding die 23 of an injection molding machine 22 by a molded product removal robot 21, and the removed molded product is subjected to injection molding. After being conveyed to the side of the machine, it is packed in an empty box 25a by a box packing robot 24 installed on the side of the injection molding machine 22, and the molded article storage box 25b containing the completed molded product is placed in parallel with the injection molding machine 22. The box stockers 26a and 26b are arranged so as to be sequentially fed out horizontally.

[0003]

In the above-described stocking apparatus for injection-molded articles in the injection molding machine having the conventional construction, box stockers 26a and 26b are installed on the side of the injection molding machine 22 in parallel with the injection molding machine 22. Therefore, the installation area of the entire equipment is large. The empty box 25a and the molded article storage box 2
5b is stocked at a position extending horizontally in the side portion of the injection molding machine 22, so that the completed product removal robot 21 travels for a long distance, and therefore the cycle time for the molded product removal robot 21 to travel is long and the empty space is empty. Box 2
There is a problem in that the time required to store the completed molded product in 5a becomes longer, and the efficiency of boxing the completed molded product is not good.

Accordingly, the present invention solves the above-mentioned problems of the prior art, reduces the installation floor area of the entire installation compared with the conventional one, and shortens the cycle time of the injection-molded product stock including injection molding. The purpose is to improve efficiency.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides an injection molding machine, a molded article take-out robot, a box packing robot, a box stocker, and a robot installed between the box packing robot and the box stocker. A transporting conveyor, wherein the box packing robot and the transporting conveyor are arranged above a mold clamping unit facing a molding die in the injection molding machine, and the box stocker is located at an end of the transporting conveyor. It is arranged on the side of the injection molding machine.

Therefore, the installation area of the boxing robot and the conveyor is not added to the floor area of the entire apparatus. Further, the molded product take-out robot only needs to travel to the transport conveyor above the injection molding machine, and does not need to travel to the side of the injection molding machine. Therefore, the cycle time of the molding system can be shortened, and the productivity can be improved.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention can be implemented by the embodiments described in the claims. That is, as set forth in claim 1, an apparatus including an injection molding machine, a molded article taking-out robot, a box packing robot, a box stocker, and a transport conveyor installed between the box packing robot and the box stocker is provided. By disposing the conveyor and the conveyor at the top of the mold clamping unit facing the molding die in the injection molding machine, and disposing the box stocker at the end of the conveyor and at the side of the injection molding machine, The installation area of the boxing robot and the conveyor can also be used as the installation floor area of the mold clamping unit to reduce the installation area of the entire apparatus. Further, since the running of the molded article removing robot can be shortened by moving only up and down of the injection molding machine, the cycle time of the entire apparatus can be shortened to improve productivity.

According to a second aspect of the present invention, the transport conveyor comprises an empty box transport conveyor for transporting an empty box housed in an empty box stocker to a box packing robot, and a completed box formed by the box packing robot. If there are two types of molded article storage boxes, a molded article storage box transport conveyor that transports the accommodated molded article storage box from the position of the box packing robot to the molded article storage box stocker that accommodates the molded article storage box, the empty box and the molded article storage box are separated Can be handled and is convenient for handling.

Further, the box stocker is configured to move up and down in accordance with the number of boxes accommodated therein, so that the transfer of the box between the transport conveyor and the box stocker is performed. It can be done smoothly depending on the number of boxes inside, which is convenient.

[0010]

Embodiments of the present invention will be described below with reference to the drawings.

In FIG. 1, a completed molded product molded by a molding die 2 of a resin injection molding machine 1 is taken out of the molding die 2 by a three-axis molded product take-out robot 3. The completed molded product is packed in an empty box 6a by a three-axis or two-axis box packing robot 5 installed on the upper surface of the mold clamping unit 4 facing the mold 2. At this time, the empty boxes 6a stacked in the empty box stocker 7a are sequentially conveyed one by one to the position of the box packing robot 5 by the empty box conveyor 8a installed on the upper surface of the mold clamping unit 4 of the injection molding machine 1. . After the completed molded product is stored in the empty box 6a, it is transferred into the molded product storage box stocker 7b by the molded product storage box transport conveyor 8b installed on the upper surface of the mold clamping unit 4 of the same injection molding machine 1, and molded. The product storage boxes 6b are stacked in a molded product storage box stocker 7b.

With this configuration, the molded product take-out robot 3 takes out the completed molded product from the molding die 2 of the injection molding machine 1 and then conveys the completed molded product to the upper surface of the mold clamping unit 4 of the injection molding machine 1. Therefore, the traveling distance of each of the three axes of the molded article removal robot 3 can be reduced as compared with the conventional apparatus shown in FIG. 2, and there is an advantageous effect that the cycle time is reduced. The boxing robot 5 and the empty box conveyor 8a
In addition, since the molded product box transport conveyor 8b is arranged above the mold clamping unit 4 of the injection molding machine 1, the installation floor area of the entire equipment can be reduced.

Further, the empty box stocker 7a and the molded article accommodating box stocker 7b are individually configured to be vertically movable so that the empty boxes 6a in the empty box stocker 7a are sequentially moved from the top to the empty box transport conveyor 8a. Sent to
If the number of empty boxes 6a decreases, empty box stockers 7a
And the empty box 6a can be smoothly transported to the empty box transport conveyor 8a. Similarly, the molded article storage box 6b is stored in the molded article storage box stocker 7b from the molded article storage box transport conveyor 8b, and the molded article storage box 6b
By lowering the article storage box stocker 7b in accordance with the number of pieces stored, the article storage box 6b can be smoothly carried into the article storage box stocker 7b. And
Empty box stocker 7a and molded article storage box stocker 7b
By moving the empty box or molded article storage box horizontally on the floor by stacking empty boxes and molded article storage boxes, the floor area can be Can be smaller.

[0014]

As is apparent from the above description, claim 1
According to the invention described in the above, a transporting conveyor for transporting a box containing a completed molded product by a boxing robot to a box stocker is provided, and the transporting conveyor and the boxing robot are connected to a mold clamping unit of an injection molding machine. By arranging it at the top, it prevents the installation floor area of the entire device from increasing,
In addition, by setting the traveling distance of the molded product take-out robot only between the molding die and the upper part thereof, the cycle time can be shortened and the productivity can be improved.

According to the second aspect of the present invention, there are two types of transport conveyors, an empty box transport conveyor and a molded article storage box transport conveyor, and the empty box transport conveyor faces the empty box stocker and stores the molded article. The box transport conveyor is opposed to the molded article storage box stocker, so that the boxes can be easily transported.

According to the third aspect of the present invention, the box stocker is configured to be vertically moved up and down in accordance with the number of boxes accommodated therein, so that the boxes are stacked in the box stocker. Not only can the boxes be smoothly carried in and out of the stocker, but also the floor space required for installing the box stocker can be reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view of a stock apparatus for an injection-molded product in an injection molding machine according to an embodiment of the present invention.

FIG. 2 is a perspective view of a stock device for an injection molded product in a conventional injection molding machine.

[Explanation of symbols]

 1, 22 Injection molding machine 2, 23 Mold 3, 22 Mold removal robot 4 Box tightening unit 5, 24 Box packing robot 6a, 25a Empty box 6b, 25b Mold storage box 7a Empty box stocker 7b Mold storage box stocker 8a Conveyor conveyor for empty box 8b Conveyor for molded product storage box

Claims (3)

[Claims] 1. An injection molding machine, a molded product take-out robot, a box packing robot, a box stocker, and a transfer conveyor provided between the box packing robot and the box stocker, wherein the box packing robot and the transfer conveyor are connected to each other. Is disposed on the upper part of the mold clamping unit facing the molding die in the injection molding machine, wherein the box stocker is disposed at the end of the conveyor and at the side of the injection molding machine. Equipment for injection molded products in injection molding machines. 2. The conveyor according to claim 1, further comprising: an empty box conveyor for transferring the empty boxes housed in the empty box stocker to a box packing robot; A stocking apparatus for an injection-molded article in an injection molding machine, wherein the stocking apparatus is of two types: a molded article storage box transport conveyor that transports the molded article storage box from a robot position to a molded article storage box stocker. 3. The stocking device for an injection-molded article in an injection molding machine according to claim 1, wherein the box stocker is configured to move up and down according to the number of boxes housed therein.