JPH0790579B2 - Case temporary assembly method and apparatus - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and apparatus for temporarily assembling a molded synthetic resin case (hereinafter referred to as a case), and more specifically, temporarily assembling at least a pair of molded half cases within a molding area. The present invention relates to a method for temporarily assembling a case and an apparatus for the method.

[0002]

2. Description of the Related Art In a conventional case, a molded half case is once taken out of the molding machine by an automatic molded product take-out machine and accumulated in a magazine, and the magazine is conveyed to a temporary assembling step and then the magazine. The half cases are sequentially taken out from the inside and temporarily assembled.

[0003]

However, for example, a 3.5 inch micro floppy disk case (hereinafter,
(For example, a FD case) When a case containing a magnetic disk is assembled as described above, when accumulating in a magazine, when transferring a magazine to a temporary assembling step for temporary assembling, and when taking out from the magazine When temporary assembling, there is a possibility that minute dust in the factory atmosphere may adhere to the case.

In the FD case, minute dust in the atmosphere of the factory is a major factor in adhering to the magnetic disk housed therein and causing a recording error, and the prevention of dust adhesion to the FD case is high. Required with accuracy.

Therefore, in the conventional case temporary assembly method, it is necessary to remove dust and the like adhering to the half case when the temporary assembly is performed.

For this reason, there is a problem that the working efficiency is remarkably lowered and the product cost is increased.

The present invention was invented in order to solve the above-mentioned conventional drawbacks, and an object of the present invention is to temporarily attach a half case immediately after molding within a molding area to attach dust and the like. It is intended to provide a temporary assembling method for a case and an apparatus therefor which can reduce the number of cases and efficiently perform the whole assembling work.

[0008]

[Means for Solving the Problems]
From the mold of the molding machine that molds the first and second half cases forming the case, the first and second half cases are formed by the first and second guide guides in association with the ejecting operation of the molding machine. After guiding to the lower space of the mold in a state where the inner surfaces face the same direction and the top and bottom are opposite to each other, one of the first half cases is made to stand by in the lower end portion of the first guide and The second half case of the first half case is arranged below the standby position of the first half case and is partitioned by the partition plate provided in the middle part.
And a waiting step of supporting the rotation guide mechanism having the second support space in the second support space, and rotating the rotation guide mechanism 180 degrees and a distance corresponding to the thickness of one half case, After moving in the horizontal direction to match the first support space with the first guide guide, the first half case waiting in the first guide guide is put into the first support space. A positioning step of positioning the first and second half cases so that their inner surfaces face each other; a temporary assembling step of pressing one of the positioned half cases against the other half case for temporary assembly; The temporary assembling method of the case is constituted by the discharging step of discharging the assembled first and second half cases to the outside of the molding machine.

According to a second aspect of the present invention, the upper half is connected to the mold of the molding machine, and is molded in a state in which the inner surfaces of the mold are aligned with each other in relation to the mold opening operation and the top and bottom directions are opposite to each other. A guide member for guiding the case and the lower half case to a space below the mold, an opening / closing member for holding one guided half case on the lower end of the guide member on standby, and a guide member below the guide member. And a rotation guide mechanism that can be reversed by a distance of one half case in a predetermined direction, and the inside is partitioned by a separation guide, and at least one side plate and pressing plate are movably supported. , The side plate and the pressing plate while pulling out the separation guide with the upper half case and the lower half case housed in the space defined by the separation guide after passing through the rotation guide mechanism. A temporary assembly device is composed of a temporary assembly mechanism that moves and temporarily assembles the upper half case and the lower half case together, and a carry-out mechanism that carries out the temporarily assembled upper half case and lower half case to the outside of the molding machine. There is.

[0010]

According to the present invention, the upper half case and the lower half case, which are protruded from the mold of the molding machine in the directions in which the inner surfaces are aligned and the top and bottom are opposite, are discharged into the space below the molding machine. After being guided, one half case is supported in one supporting space of the rotation guide mechanism, and the other half case is held on standby at the lower end of the guide guide.

In this state, when the rotation guide mechanism is reversed and moved in a predetermined direction at a distance of the thickness of one half case, the half case supported in the support space faces the other half case. And the top and bottom are aligned.

In this state, the half cases are brought into the temporary assembling step, and then the half cases are pressed together by the pressing plate so that the half cases are temporarily assembled.

Then, the temporarily assembled half cases are carried out of the molding machine to complete the temporary assembly.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a front view showing an example of an apparatus embodying a method of temporarily assembling a case.

FIG. 2 is a perspective view showing a rotation guide mechanism of the temporary assembling apparatus.

FIG. 3 is a schematic perspective view showing the assembly mechanism.

FIG. 4 is a perspective view showing a half case temporarily assembled.

A pair of opposing molds 1 attached to the molding machine is for molding, for example, two sets of an upper half case 3 and a lower half case 5 in one shot. The discharge rails 7 and 9 of the pair of upper half case 3 and lower half case 5 are attached according to each upper half case 3 and lower half case 5.

That is, the discharge rails 7 and 9 are attached to each of the upper half case 3 and the lower half case 5, and the upper half case 3 and the lower half case are attached by the ejector pins (not shown) mounted in the mold 1. It is configured to open and close in conjunction with the ejecting operation of 5, and to support and guide both side ends of the ejected upper half case 3 and lower half case 5.

An engaging projection 3a and an access window 3b are formed on the inner surface of the upper half case 3. Similarly, an engaging recess 5a and an access window 5b are formed on the inner surface of the lower half case 5.

The respective discharge rails 7 and 9 are gathered together so as to be parallel to each other and extend below the mold 1.

Below each of the discharge rails 7 and 9 gathered together, a rotation guide mechanism 11 is rotatable in the counterclockwise direction shown in FIG. 2 and horizontally in the upper half case 3 or the lower half case 5. It is movably arranged at a distance that matches the thickness of the.

That is, a holder 15 is movably supported in the axial direction by a pair of upper and lower support shafts 13 whose axes extend horizontally, and a rod of a horizontal cylinder 17 attached to a frame (not shown) in the holder 15. Is fixed.

Further, the holder 15 has a rotation driving member 19
The rotation guide mechanism 11 is attached to the rotation shaft of the rotation driving member 19.

Holding frame 2 of this rotation guide mechanism 11
0 corresponds to the height of the upper half case 3 and the lower half case 5 in the vertical direction, and the inside of the holding frame 20 is divided by the partition plate 21 into the first and second compartments 23. It is divided into 25 each.

The lower end of the first section 23, which coincides with the discharge rail 7, for example, is closed. In addition, the electromagnetic solenoid 2 is provided on the side surface of the holding frame 20 on the first partition 23 side.
The plunger 27a, to which 7 is attached and penetrates into the first compartment 23 through the through hole 20a formed in the side surface of the holding frame 20, has an access window of the upper half case 3 supported in the first compartment 23. 3b is engaged to maintain the supporting state.

The upper and lower ends of the second section 25 of the holding frame 20 are open.

The lower end of the discharge rail 9 and the rotation guide mechanism 1
An opening / closing shutter 29 is attached between the opening / closing shutter 1 and the opening / closing shutter 29, and a cylinder 30 is connected to the opening / closing shutter 29.
Then, the lower end opening of the second section 25 of the holding frame 20 is opened and closed by the opening and closing shutter 29 that is opened and closed by the operation of the cylinder 30.

A temporary assembly mechanism 31 is arranged below the rotation guide mechanism 11 which has moved in the horizontal direction.

The fixed plate 33 of the temporary assembly mechanism 31 has a size substantially corresponding to the upper half case 3 and the lower half case 5 and has an L-shaped plane. A side plate 34 is provided on the open side of the fixed plate 33. Opposing fixed plate 33
Is movably supported toward the side wall of the.

A cylinder 36 is connected to the side plate 34.

A pressing plate 37 attached to the rod of a cylinder 35 attached to a frame (not shown) is movably arranged between the side wall of the fixed plate 33 and the side plate 34.

A separation guide plate 41 is supported on the side wall of the fixed plate 33 and the side plate 34 so as to be movable laterally. A cylinder 39 attached to the frame is connected to each separation guide plate 41.

The separation guide plate 41 is a fixed plate 33.
The inner space of the first and second spaces 42a and 4 that coincide with the first and second compartments 23 and 25 of the holding frame 20.
It is divided into 2b and 2 minutes.

A discharge shutter 43 is movably supported on the bottom surface of the fixed plate 33, and the discharge shutter 43 is opened and closed by a connected cylinder 45.

Below the discharge shutter 43, a discharge shooter 47 is arranged below the molding machine.
This carry-out conveyor 49 is arranged so as to be connected to 9
Is connected to a stacking unit outside the molding machine.

Next, a method of temporarily assembling the upper half case 3 and the lower half case 5 by the example of the apparatus configured as described above will be described.

5 to 10 are explanatory views showing the operation.

Upper half case 3 and lower half case 5
When the pair of molds 1 are opened after the mold is molded,
The upper half case 3 and the lower half case 5 are projected by the ejector pin of one of the molds (fixed side), and the weight is dropped below the mold 1 while supporting the side ends by the discharge rails 7 and 9.

As shown in FIG. 5, one of the upper half cases 3 which has fallen by its own weight has the first section 2 in the holding frame 20.
The second lower half case 5 is supported by the opening / closing shutter 29 and the second lower case 5 is supported by the opening / closing shutter 29.
Invasion into the compartment 25 is restricted, and it is held on standby at the lower end of the discharge rail 9.

The plunger 27a of the electromagnetic solenoid 27 for driving the upper half case 3 supported in the first compartment 23 has the access window 3b of the upper half case 3.
And the supporting state is maintained.

When the rotary drive member 19 is operated in the above state, the holding frame 20 is moved to 180 ° as shown in FIG.
The upper half case 3 in the first section 23 is turned to be inverted.

Further, the holding frame 20 is moved in the horizontal direction by a predetermined distance by the horizontal cylinder 17 which is operated in parallel with the above operation, and the second section 25 of the holding frame 20 is positioned below the discharge rail 9.

When the drive of the electromagnetic solenoid 27 is released in this state, the upper half case 3 supported in the first section 23 of the holding frame 20 is separated by the separation guide plate 41, as shown in FIGS. 7 and 8. It is put into the first space 42a of the temporary assembling mechanism 31 divided into two by.

Further, when the opening / closing shutter 29 is driven to open in parallel with the above operation, the lower half case 5 supported in the lower end portion of the discharge rail 9 falls by its own weight to cause the second section 25 of the rotation guide mechanism 11 to fall. After passing, it is put into the second space 42b of the temporary assembly mechanism 31.

As a result, the upper half case 3 and the lower half case 5 are positioned so that the inner surfaces thereof face each other and the top and bottom directions thereof match.

Next, as shown in FIG. 9, the side plate is operated by the cylinder 36 which is operated after the separation guide plate 41 is pulled out from between the upper half case 3 and the lower half case 5 by the cylinder 39 which operates in the above state. When 34 is moved toward the side wall, the upper half case 3 and the lower half case 5 are positioned so that their side ends are aligned with each other.

When the pressing plate 37 is moved by the cylinder 35 operating in this state, the upper half case 3 and the lower half case 5 are temporarily assembled with their side ends aligned.

When the cylinder 45 is actuated in synchronization with the return of the pressing plate 37 to the original position by the cylinder 35 which is moved back after the above-mentioned temporary assembly, as shown in FIG. The lower half case 5 is dropped onto the carry-out conveyor 49 by the shooter 47 through the space 46 opened by the discharge shutter 43.

Then, the upper half case 3 and the lower half case 5 temporarily assembled by the carry-out conveyor 49 are carried out of the molding machine.

As described above, according to the method of this embodiment, among the upper half case 3 and the lower half case 5, which are molded with the inner surfaces facing the same direction in the molding area and the vertical directions being opposite, One half case can be turned upside down, positioned so that the inner surfaces face each other, temporarily assembled, and discharged outside the molding area.

As a result, the molded upper half case 3
Further, the adhesion of dust and the like can be reduced as compared with the conventional method in which the lower half case 5 is once accumulated and then temporarily assembled.

In the above description, the method and the apparatus for temporarily assembling the two sets of half cases are described, but the present invention is not limited to the number of temporarily assembled sets.

[0055]

Therefore, according to the present invention, the half case immediately after molding can be temporarily assembled in the molding area to reduce the adhesion of dust and the like, and the temporary assembly of the case where the entire assembling work can be efficiently performed. It is possible to provide a method and an apparatus thereof.

Further, in the above description of the conventional example, the FD case has been described, but the same can be applied to the case of the magnetic tape for audio and the case of the video tape, for example.

[Brief description of drawings]

FIG. 1 is a front view showing an example of a device embodying a method for temporarily assembling a case.

FIG. 2 is a perspective view showing a rotation guide mechanism of the temporary assembly device.

FIG. 3 is a schematic perspective view showing an assembly mechanism.

FIG. 4 is a perspective view showing a half case temporarily assembled.

FIG. 5 is an explanatory diagram showing an operation.

FIG. 6 is an explanatory diagram showing an operation.

FIG. 7 is an explanatory diagram showing an operation.

FIG. 8 is an explanatory diagram showing an operation.

FIG. 9 is an explanatory diagram showing an operation.

FIG. 10 is an explanatory diagram showing an operation. 1: Mold 3: Upper half case 5: Lower half case 7: Discharge rail 9: Discharge rail 11: Rotation guide mechanism 31: Temporary assembly mechanism 37: Press plate

Claims (2)

[Claims] 1. A first guide formed by a first and a second guide in relation to an ejecting operation of a molding machine from a mold of a molding machine for molding first and second half cases constituting a case.
And the second half case is guided to the space below the mold with the inner surfaces facing in the same direction and the top and bottom are in opposite directions, and then one of the first half cases is guided by the first guide guide. While waiting in the lower end of the other second
Second support of the rotation guide mechanism having the first and second support spaces that are arranged below the standby position of the first half case and that are partitioned by the partition plate provided in the middle part. The standby step of supporting in the space, and the rotation guide mechanism is rotated 180 degrees and moved in the horizontal direction by a distance corresponding to the thickness of one half case, and
After making the support space of the first guide case coincide with the first guide guide, the first half case that has been waiting in the first guide guide is
In the supporting space and positioning the first and second half cases so that their inner surfaces face each other, and one of the positioned half cases is pressed against the other half case to temporarily assemble it. A temporary assembly process to attach
A method of temporarily assembling a case, which comprises a discharging step of discharging the temporarily assembled first and second half cases to the outside of the molding machine. 2. An upper half case and a lower half case, which are connected to a mold of a molding machine and are molded in a state in which the inner surfaces are aligned with each other in relation to the mold opening operation and the top and bottom directions are opposite to each other. A guide member that guides the space below the mold in a separated state, an open / close member for holding one guided half case on the lower end of the guide member on standby, and reversible below the guide member, Further, the rotation guide mechanism that moves in a predetermined direction at a distance of one half case, the inside is partitioned by the separation guide, and at least one of the side plate and the pressing plate are movably supported, and the rotation guide mechanism is With the upper half case and the lower half case accommodated in the space that has passed through and is partitioned by the separation guide, the separation guide is extracted and the side plate and the pressing plate are moved to move the upper half case. And the temporary assembling mechanism for assembling over scan and the lower half case mutual temporary, provisional assembling apparatus comprising a delivery mechanism for unloading the half case and a lower half case after being provisionally assembled to the forming outside.