JPS58179624A - Automatically assembling equipment of molded product - Google Patents

Abstract

PURPOSE:To obtain the titled equipment by which automatic operations from a molding to an assembly can be done readily and for a short time, by taking out one pair of the molded products which are molded with the same mold simultaneously by a specified assembling mechanism, also engaging and assembling them. CONSTITUTION:After one pair of the molded products 1a, 1b is molded so as to shape a pair right and left at the front face of a mold 5, an assembling mechanism 6 is made to descend from a position A in the direction of an arrow (a), to advance in the direction of the arrow (b) and to receive the molded products 1a, 1b by a suction. Then the assembling mechanism 6 is moved in the directions of the arrows (c), (d) and (e) and is made to assemble the molded products 1a, 1b at the position B and to rotate 90 deg., to descend in the direction of the arrow (f) and to release the assembled products at the position C.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides an automatic assembly method for automatically assembling molded products in which two synthetic resin molded products having a combination structure that are simultaneously molded by a molding die are taken out from a molding machine and automatically combined. Regarding equipment.

Generally, a tape case for storing cassette tapes when not in use has a shape 21,- as shown in FIG. As shown in Fig. 2, this tape case 1 consists of a case body 1a made of a synthetic resin molded product and a lid 1b, and a hole 4 in the lid 1b is engaged with a protruding shaft 3 provided in the case body 1a. In particular, the lid 1b is rotatably assembled to the case body 1aK. This tape case 1 has a size that can accommodate four sumo wrestler tapes, and for this reason, the case body 1a is provided with a rotation stopper piece 2 that engages with the hubs of the four cassette tapes to prevent them from rotating. ing.

Conventionally, after the tape case 1t/'i case body 1a and lid 1b have been molded, they are dropped from the molding machine by a protruding device, and the dropped case body and lid are received by a box, conveyor, etc., and then in the subsequent process. % and others were assembled by hand as shown in Figure 1.

However, in the conventional method, when the case body 1a and the lid 1b fall from the molding machine, the molded product may be cracked or scratched due to the collision with the case body 1a or the lid 1b or the impact of the fall. This method was inefficient because it sometimes resulted in three defective pages and required a lot of manpower for the small combinations.

The present invention is intended to eliminate such conventional drawbacks, and one embodiment thereof will be described below with reference to FIGS. 3 to 1o.

1. First, FIG. 3 is a diagram showing the assembly process, and is one of the molds for injection molding the δ-shaped case body 1a and lid 1b. The left and right parts are molded in pairs, and in this case, the two pairs of case bodies 18 and lids 1b are molded at the same time. 6 is an assembly mechanism, and when the molded product is molded by the mold 5 as described above,
This assembly mechanism 6 is moved from position A where it is waiting above the mold 5 by a moving machine (not shown) in the direction of arrow A, moves forward in the direction of the arrow, and the case body is projected from the mold 5. 1
a and the lid 1b are received by suction. After this assembly mechanism 6
U Move in the directions of arrows C, 2, and E, and at position B, combine the case body 1a and the lid 1b and engage the protruding shaft 3 and hole 4, then rotate 90 degrees and descend in the direction of the arrow. Then, release tape case 1 completely at position C.

The tape case 1, which has been separated from the assembly mechanism 6 at the C position, is automatically aligned with the bottom plate 8a of the box 8 lifted by the air cylinder 7 by the air cylinders 9 and 10, as shown in FIG. Packing is done.

The assembly mechanism 6 with the tape case 1 released is indicated by arrow 1.
It moves in the direction of 1 and waits at 1, where the next molding is performed at position A. Finally, the assembly mechanism 6 will be explained. As shown in FIGS. 5 to 7, this assembly mechanism 6 includes a support plate 11
Two pieces of play that can be rotated with respect to this support plate 11) 1
2.13'i. These plates 12, 13 each have a shaft 16, which is fixed integrally with each arm 14, 15.
17, and the arm 18 of the plate 12 is pivotally engaged with the shaft 17, and the arm 19 of the plates 1 and 13 is pivotally engaged with the shaft 16.
The plates 12.13 are rotatably connected to each other by means of 1 and 1, and the shafts 16.17 are rotatably supported on the arms 20, 21 of the support plate 6, so that this support plate 11, the plates 12 and 13 can be opened and closed.

A microphone gear 22 is provided at the opposite end of the shaft 16,17.
．． 23 is fixed, and each microphone gear 22.23
A microphone gear 25 attached to one end of a shaft 24 rotatably supported by the support plate 11 meshes with the microphone gear 25 . On the other hand, a pinion 26 is attached to the other end of the shaft 24, and this pinion 26 has a rank 2 which is moved up and down by an air cylinder 27 attached to the back surface of the support plate 11.
8 are engaged.

As a result, the air cylinder 27 moves the rack 28, and the miter gear 25 causes the miter gear 22 to move.
, 23 are rotated in opposite directions, and the plates 12.13
The opening and closing operations are performed.

A plurality of suction bats 29.30 are provided in front of the play) 12.13, and this suction rose) 2
9.30 is configured to be able to be displaced against the spring 31. On the other hand, guides 32 and 33 are provided at the front side edges of the plates 12 and 13. Further, a positioning pin 34 is provided on the support plate 11, and one end of the shaft 24 is protruded, and its tip 24a also serves as a positioning pin.

These positioning pins 34 and the tip 24a of the shaft 24 are inserted into the holes 36, 36 of the mold 6 and aligned. Also, on the front of plates 12 and 13 is the case body 1.
A presser pin 37 for holding down the securing portion between a and the lid 1b.
38 are provided.

With the above configuration, when the assembly mechanism 6 is moved from the direction of arrow A toward the mouth with respect to the case body 1a and the lid 1b molded on the front surface of the mold 6, the assembly mechanism 6 is positioned as shown in FIG. The pin 34 and the tip 24a of the shaft 24 fit into the hole 3 of the mold 6.
5.36, and the mold 6 and assembly mechanism 6 are aligned. In this state, the protruding members 39 and 40 provided on the mold 6 [the case body 1a and the lid 1b are attached to the mold 5]
These are then projected along the guides 32, 33. And by suction bay)29.30 case body 1
a and the lid 1b are attracted to each other and positioned as a body 4 on the assembly mechanism 6Y vane. In this case, case body 1
Even if the amount of protrusion caused by the protruding members 39, 40 of the lid 1b and the lid 1b is set to be a little larger, the amount of protrusion is absorbed by the suction vane 29, 30 being moved back by the spring 31.

In this way, the case body 1a and the lid 1b are assembled into the assembly mechanism 6.
Vc is received by force 1, and in this state, the assembly mechanism 6 is moved to position B in FIG.

When the assembly mechanism 6 reaches the B position, the air cylinder 27 is activated, and the rotation of the miter gear 25 causes the play 1-12 to be moved.
, 13 are rotated with shafts 16.17 in a direction in which they are mutually closed as shown in FIG.
and the lid 1b are fitted into each other, and the engagement portion between the protruding shaft 3 and the hole 4 is held down by the holding pin 37°38 as shown in FIG. The tape case 1 is automatically assembled. In this case, the suction bat 29.30 is moved relative to the plate 12.13 (-obtain/forget, assembly is done smoothly h-
Ru.

After assembling as described above, insert the IC into the silk tI8 structure 6.
Move to position 2, open plate 12.13, release tape case 1, and return to position 8.

In the above embodiments, the case where the molded product made of synthetic resin is a tape case is described, but the same applies to other cases and other molded products.

The present invention, as shown in F-F below, involves removing a pair of molded products consisting of a synthetic resin case body, its lid, etc. simultaneously molded in the same mold from the mold part, and removing the pair of molded products. The assembling mechanism t1-1- has a rotatable play 1 for holding the molded products, and is held by the plate. A pair of molded products made as shown in FIG.
According to the present invention, it is possible to easily and automatically perform the molding and assembling of tape cases, etc. in a short period of time, eliminating the need for manual assembly work and producing molded products efficiently and economically. The process from molding to assembly can be done in 9 steps, and the effect is similar.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of the tape case, Fig. 2 is an exploded perspective view of the same, Fig. 3 is a schematic perspective view for explaining the operation of an apparatus according to an embodiment of the present invention, and Fig. 4 is the assembled tape case. FIG. 6 is a perspective view of the assembly mechanism seen from the back, FIG. 6 is a perspective view of the assembly mechanism seen from the front, and FIG. 7 is a perspective view of the assembly mechanism. A perspective view of the main parts, FIG. 8 is a schematic sectional view showing the state in which the molded product is removed from the mold section, and FIG.
FIG. 171 is a perspective view of the molded product when it is assembled, and FIG. 10 is a front view of the molded product when it is assembled. 1 , , , , Tape case, 1 a , *-*- Case body. 1b... Lid 13... Protruding shaft 4...
・Hole・6・2690. , Mold, 6, Assembly mechanism, 11, Support plate, 12, 13,...
,, plate, 1'6, 17 +++01110.
Shaft, 27, Air cylinder, 29, 300
100. , Suction bat, 32 , 33 , Guide, 34 , Positioning pin, 37 , 38
,,,,,, presser pin. Figure 1 Figure 2 b Figure 3 Figure 4 C Figure 5 Figure 7/2 Figure 9 34 Figure 10

Claims (1)

[Claims] A pair of molded products consisting of a case body made of synthetic resin and its lid, etc., which were molded simultaneously in the same mold, is taken out from the mold part, and the pair of molded products are engaged with each other to cause irritation. The assembly mechanism has a rotatable plate for holding each of the molded products, and by rotating the plate, the pair of molded products held by the plate can be moved together. An automatic assembly device for molded products, characterized in that the device is configured to engage with each other.