JP3537385B2 - Method and apparatus for manufacturing a wrapped integrated case body - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technology for integrating and wrapping a case for storing an optical disk such as a digital video disk (DVD). Further, the present invention relates to a method and an apparatus for manufacturing a case.

[0002]

2. Description of the Related Art A storage disk such as a CD is generally used for sale in a state of being stored in a storage case. And when using, take it out of the storage case,
It will be stored when not in use. By the way, the storage case is composed of two components, a bottom portion and a lid portion, and both are integrated.

FIG. 5 shows a general storage case. A pair of protruding pieces 11 extend on the side wall on the base side of the bottom portion 10, and a protrusion 11 </ b> A is provided inside each of the protruding pieces 11. The lid 20 is provided with a pair of holes 21 on the side wall at a position corresponding to the protrusion 11A of the bottom 10. Therefore, by fitting the hole 21 of the lid portion 20 into the projection 11A of the bottom portion 10, the bottom portion 10 and the lid portion 20 are mounted on one side (at the base side) and open / close freely.

On the other hand, a pair of recesses 12 are formed outside both side walls of the bottom portion 10, and a pair of projections 22 are formed inside the side wall of the lid portion 20 at positions corresponding to the recesses 12. I have. Therefore, the bottom part 10 and the lid part 2
0, the holes 21 of the lid portion 20 are fitted into the protrusions 11A of the bottom portion 10 and the convex portions 22 of the lid portion 20 are fitted into the concave portions 12 of the bottom portion 10, and the two are integrated. Can be

[0005] Such storage cases X are bundled in a superimposed state (accumulated state) and are attached to the distribution when the storage case X is later moved to the step of storing the storage disk or during the distribution transportation. It is necessary to bundle the storage cases in an integrated state to form an integrated case body. In this case, conventionally, the bottom part 10 and the lid part 20 are purchased from outside,
It is inserted into each other by hand and integrated, and then
They were transferred to the wrapping process and bundled (wrapped). For this reason, stagnation or the like occurs in the entire flow, and the productivity is deteriorated at present.

[0006]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a method for continuously and efficiently manufacturing a wrapped integrated case body. .

[0007]

Means for Solving the Problems However, the present inventors have conducted intensive studies on such problems, and as a result,
The present inventors have found that by continuously forming the lapping process from the injection molding process of molding the bottom portion and the lid portion into a line, it is possible to efficiently manufacture a wrapped integrated case body. It has been completed.

That is, the present invention relates to a method of manufacturing an integrated case body in which a case including a bottom portion and a lid portion is integrated and wrapped. 1. a step of injection molding the lid part; 2. a step of placing the injection-molded lid portion on the second conveyor line with the pivoting base portion directed rearward in the traveling direction, and transferring the lid portion in a predetermined direction; 3. a step of injection molding the bottom part; The injection-molded bottom portion is placed on a first conveyor line juxtaposed with the second conveyor line with its pivoting base directed forward in the traveling direction, and in a direction opposite to the lid portion. 4. the step of transferring; When the bottom portion and the lid portion approach each other, the second
Above the lid placed on the conveyor line of
5. a transferring step of positioning the bottom portion placed on the conveyor line of (1) such that the bases worn on both pivots coincide with each other; 6. a step of combining the positioned lid portion and bottom portion to form a case; 7. vertically stacking the cases placed and transported on the second conveyor line; Wrapping the accumulated case; and a method of manufacturing an integrated case.

(2) The method of combining the lid portion and the bottom portion lies in a method of manufacturing an integrated case body in which the lid portion is raised with respect to the bottom portion and fitted into the bottom portion.

(3) The method of combining the lid portion and the bottom portion is provided in a method of manufacturing an integrated case body in which a plurality of lid portions are simultaneously raised with respect to the plurality of bottom portions and fitted into the bottom portion. Exist.

(4) The case is vertically stacked by sequentially arranging a large number of cases vertically from the second conveyor line to the stocker. Lies in the manufacturing method.

[0012]

(5) A first injection molding machine for mounting and transferring an injection molded bottom portion between an injection molding machine for injection molding a lid portion and a first injection molding machine for injection molding a bottom portion. Conveyor line and injection molded lid
Second and conveyor line, opposite directions of transferring
In the direction in which the bottom and lid parts approach each other.
Juxtaposed to travel, the travel range of the second conveyor line
Coalescing Shi repositioning of the lid portion and the bottom portion in the circumference
The casing forming device arranged, starting end of the first conveyor line
And parts, and the side portion of the second conveyor line, lies the bottom portion to the manufacturing apparatus of the first injection molding machine side and the integrated casing placing the lapping apparatus in a space defined by the injection molding.

According to the present invention, the bottom portion and the lid portion are separately injection-molded, placed on each conveyor, and one of them is transferred to the other, integrated and wrapped.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, based on the drawings, members that are substantially the same as or correspond to those of the conventional example will be denoted by the same reference numerals.
A preferred embodiment of the method for manufacturing an integrated case with a wrapped bottom part and a lid part according to the present invention will be described.

FIG. 1 is an overall view showing a process of manufacturing the integrated case body. Two injection molding machines are arranged at regular intervals. One of the two injection molding machines (the first injection molding machine 1 and the second injection molding machine 3)
The bottom part 10 is molded, and the other part is the lid part 20. Two lines, a first conveyor line 2 for moving the bottom portion 10 and a second conveyor line 4 for moving the lid portion 20, are arranged in parallel between the injection molding machines 1 and 3. Then, the first conveyor line 2 moving on the bottom portion 10 is moved to the second conveyor line 2 moving on the lid portion 20.
Is shorter than the conveyor line 4.

The reason is that the second conveyor line 4 that carries the lid section 20 is provided with a moving length up to the vertical placing step after the combining step described later, and the first conveyor line 2 that moves the bottom section 10 is provided. This is because the movement length up to the transfer step is prepared. By doing so, the first conveyor line 2, the second conveyor line 4, and the bottom 10
And a lapping device can be arranged in a space S defined by the first injection molding machine 1 for injection molding, and the entire layout is reduced to be more efficient. In addition, the overall outlook is better, which is an advantage in production management.

In this case, the first conveyor line 2 is provided with four individual belt conveyors 2A, 2B, 2C, and 2D. Therefore, four belt conveyors are usually provided on the belt conveyor. The bottom part 10 is loaded and moved. Similarly, the second conveyor line 4 is provided with four individual belt conveyors 4A, 4B, 4C, and 4D, and therefore, usually four lid portions 20 are provided on the belt conveyor. Is loaded and moved. Hereinafter, each step of manufacturing the integrated case body will be described.

First, the bottom portion 10 is molded by the first injection molding machine 1 (injection molding step), and is taken out of the mold by a take-out machine provided in the injection molding machine. The bottom portion 10 that has been taken out of the mold is placed on the first conveyor line 2 by a receiving means (not shown) (placing step). In this case, the base of the bottom portion 10 (the portion serving as a pivot shaft for opening and closing) is located on the left side in the drawing.

The lid 20 is molded by the second injection molding machine 3 (injection molding step), and is taken out of the mold. Similarly, it is placed on the second conveyor line 4 by a receiving means (not shown) (placing step). In this case, the base portion of the lid portion 20 (the portion serving as a pivot axis for opening and closing) is located on the left side in the drawing. As described above, the moving directions of the first conveyor line 2 and the second conveyor line 4 are opposite (opposite), and the bottom portion 10 and the lid portion 20 are moved in a direction in which they approach each other. At that time, the base of the bottom part 10 and the base of the lid part 20 are moved in the traveling direction.

A transfer device 5 is provided so as to extend longitudinally between the first conveyor line 2 and the second conveyor line 4. Bottom part 10 placed on first conveyor line 2
Are sequentially moved to the position of the transfer device 5. Similarly, the lid portion 20 placed on the second conveyor line 4 is sequentially moved to the position of the transfer device 5.

(Transfer Step A) The transfer device 5 picks up the bottom portion 10 on the first conveyor line with the suction pad 51 and moves it to the second conveyor line. At this stage, the bottom portion 10 is positioned above the lid portion 20 on the second conveyor line.

(Combining Step B) Next, the lifting means 6 disposed below the second conveyor line 4 is raised to push up the lid portion 20. At this time, the bottom part 10
Is held by the support member 52 of the transfer device 5 so as not to escape upward, so that the pushed-up lid portion 20 is properly fitted to the bottom portion 10. The lid 20 and the bottom 10 may be combined by a method in which the plurality of lids 20 are simultaneously raised and fitted to the plurality of bottoms 10. FIG. 2 is a diagram schematically showing the fitting operation. As described above, the transfer device 5 causes the bottom portion 10 to be carried from the first conveyor line 2 and positioned above the lid portion 20 of the second conveyor line 4 (a).

Next, the lifting means 6 disposed below the second conveyor line 4 is raised, and the lid portion 20 is lifted.
And press it against the bottom part 10 (b). As described above, the hole 21 of the lid portion 20 resiliently fits into the projection 11A of the bottom portion 10, and the convex portion 22 of the lid portion 20 resiliently fits into the concave portion 12 of the bottom portion 10. I do. As described above, the two parts are engaged (pivotly attached) at four places in front, rear, left and right, and are united to form one independent case X. Thereafter, the lifting means 6 is lowered, and the united case X is placed on the second second conveyor line (c).

(Vertical installation step C) This integrated case is moved to the vertical installation step by the second conveyor line 4 as it is. In this vertical placing step, a large number of cases on the second conveyor line are sequentially placed in the stocker 71 vertically by the vertical placing means 7.

FIG. 3 schematically shows the vertical placing means 7. The case X on the second conveyor line is scooped up by the arm member 72, and is rotated so as to be vertically juxtaposed on the stocker 71. At that time, the claw portion 71A of the stocker 71
Case X is sequentially taken in and accumulated. The cases that are stacked vertically in units of, for example, 30 units in the stocker 71 are moved to the next cradle of the wrapping device 8 by sending-out means not shown.

(Lapping step D) The case (for example, 30 case bodies Y) placed on the receiving stand is
The surroundings are bundled with tape by the existing wrapping device 8 to form a package as shown in FIG. Thereafter, as required, it is placed on another conveyor line. Although the present invention has been described above, the present invention is not limited to the above embodiment, and various modifications and the like are possible as long as the object is met.

[0028]

As described above, according to the present invention, the bottom portion and the lid portion constituting the case are directly injection molded, assembled, integrated, and finally wrapped. Is efficiently performed as a series of continuous steps. Further, the first conveyor line is shortened to provide a transfer step (transfer means), and the second conveyor line is lengthened to perform the coalescing step (push-up means and the like) and the vertical placing step (vertical placing means). With the arrangement, the wrapping device can be arranged in a space defined by the first conveyor line, the second conveyor line, and the first injection molding machine for injection-molding the bottom portion, so that the entire layout can be efficiently performed.

[Brief description of the drawings]

FIG. 1 is a process diagram illustrating a method of manufacturing an integrated wrapping case according to the present invention.

FIG. 2 is a diagram showing a coalescing operation in a coalescing step of the present invention.

FIG. 3 is a view showing an operation in a vertical placing step of the present invention.

FIG. 4 is a diagram showing an integrated body after wrapping according to the present invention.

FIG. 5 is a view showing a storage case.

[Explanation of symbols]

1. First injection molding machine 2. First conveyor line 2A: Belt conveyor 2B: Belt conveyor 2C: Belt conveyor 2D: Belt conveyor 3. Second injection molding machine 4: Second conveyor line 4A: Belt conveyor 4B: Belt conveyor 4C: Belt conveyor 4D: Belt conveyor 5. Transfer equipment 51 ... suction pad 52 Supporting member 6. Pushing means 7 ... Vertical installation means 71 ... Stocker 71A ... claw part 72 ... arm member 8. Wrapping device 10 ... Bottom part 11 ... projection 11A ... projection 12 ... recess 20 ... lid part 21 ... hole 22 ... convex part A: Transfer process B: Coalescence process C: Vertical installation process D: Wrapping process X: Case Y: Integrated case

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) B65D 13/02 B65D 85/57 B29C 45/00

Claims (5)

(57) [Claims] 1. A method for manufacturing an integrated case body in which a case including a bottom portion and a lid portion is integrated and wrapped, 1. a step of injection molding the lid part; Injection-molded lid part advances its pivot base
Placed on the second conveyor line, facing backward
2. transferring in a predetermined direction ; 3. a step of injection molding the bottom part; Injection-molded bottom part advances its pivot base
To the second conveyor line while facing forward in the direction
Placed on the juxtaposed first conveyor line , and
4. transporting in the opposite direction to the pad section ; When the bottom portion and the lid portion approach each other, the second
Above the placing has been lid portion of the conveyor line, first
Conveyor the placing has been the bottom portion to the line, the two pivot of
5. a transfer step of positioning the base so that the bases coincide with each other ; 6. a step of combining the positioned lid portion and bottom portion to form a case; 7. vertically stacking the case loaded and transported on the second conveyor line ; Wrapping an integrated case ; and a method of manufacturing an integrated case body . 2. The method of joining a lid part and a bottom part,
2. The method for manufacturing an integrated case body according to claim 1, wherein the lid portion is raised with respect to the bottom portion and fitted into the bottom portion. 3. The method of combining a lid part and a bottom part,
2. The method for manufacturing an integrated case body according to claim 1, wherein the plurality of lid portions are simultaneously raised with respect to the plurality of bottom portions and fitted into the bottom portions. 4. The method according to claim 1, wherein the vertically stacking of the cases is performed by sequentially arranging a large number of cases vertically from a second conveyor line to a stocker.
A manufacturing method of the integrated case body according to the above. 5. An injection molding machine for injection molding a lid part,
Between the first injection molding machine for injection molding of the bottom portion, a second conveyor that is the placing of the first conveyor line, the injection molded lid portion which is the placing of the bottom portion injection molded transport transfer And the lines in opposite directions and the bottom
Parts and juxtaposed <br/> so as to run in a direction of approaching the lid portion, the lid portion in the running range of the second conveyor line
Distribution cases forming apparatus to coalesce Shi repositioning of a bottom part and
And location, the leading end of the first conveyor line to a side of the second conveyor line, the space defined by the first side of the injection molding machine for injection molding the bottom portion of the wrapping device is arranged An apparatus for manufacturing an integrated case body.