JP2002326254A - Rein product molding and assembling apparatus and resin product molding and assembling method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a resin product molding and assembling apparatus and a resin product molding and assembling method capable of molding and assembling a resin product at every part in the resin product constituted of a plurality of resin parts, especially, even in a resin product including, for example, relatively operated functional parts such as gears or the like and capable of markedly reducing the manufacturing cost of the resin product. SOLUTION: The resin product molding and assembling apparatus 1 is equipped with a first mold pattern 3 having a plurality of first molding parts 2 and a second mold platen 5 having a plurality of second molding parts 4 for respectively molding parts in connection with a plurality of the first molding parts 2 of the first mold platen 3. The first mold platen 3 has an assembling part 7 provided in a movable manner and equipped with part attaching parts 6 capable of attaching parts by the movement of the assembling part and the second mold platen 5 has a transfer means 8 for transferring the parts molded in the second molding parts 4 to the vicinity of the assembling part 7 and a moving means 9 for moving the parts, which are transferred to the vicinity of the assembling part 7 by the transfer means 8, to the part assembling parts 6 of the assembling part 7 at the time of locking with the first mold platen 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a resin product forming and assembling apparatus capable of forming and assembling a plurality of resin parts in one apparatus when manufacturing a resin product formed from a plurality of resin parts. The present invention relates to a resin product molding and assembling method.

[0002]

2. Description of the Related Art Conventionally, resin products composed of a plurality of resin parts, especially resin products including functional parts such as gears, in which each part relatively operates, are generally manufactured by molding various parts. They were transported to an assembly line or the like and assembled by a worker or robot to produce them.

[0003]

However, in the above-mentioned conventional method, it is necessary to construct an assembly line or the like, and to perform an assembly operation by arranging a worker or a robot at various points in the line, which increases the cost. Has become a factor. In addition, with the recent production of various types and small quantities and the complication of products, the number of components has increased, and the complexity and difficulty of component management have been pending.

Accordingly, an object of the present invention is to form a resin product composed of a plurality of resin components, particularly a resin product including functional components such as gears that operate relatively, for each component. It is an object of the present invention to provide a resin product forming and assembling apparatus and a resin product forming and assembling method, which can be assembled together with the resin product and can significantly reduce the production cost of the resin product.

[0005]

Means for Solving the Problems To solve the above problems, a first mold plate having a plurality of first molding portions,
A second mold plate having a plurality of second forming portions for forming parts between the plurality of first forming portions of the first mold plate when engaging with the mold plate; A resin product forming and assembling apparatus for forming and assembling a plurality of parts, wherein the first mold plate is provided movably and provided with a part assembling part capable of sequentially assembling parts by the movement. A transfer unit for transferring a part formed by the first forming unit and the second forming unit to a position near the assembly unit, the transferring unit having an assembling unit; Moving means for moving the component transferred to the vicinity of the assembly unit by the transfer means to the component assembly unit of the assembly unit. This is a resin product molding and assembling apparatus.

[0006] The part assembling section of the assembling section is arranged in m rows and n columns (m and n are natural numbers of 2 or more).
It is preferable that at least one empty space is provided in the column, and the component assembling portion is configured to be movable in the row direction or the column direction. It is preferable that the component assembling section of the assembling section is configured to be movable in a row direction or a column direction by a component assembling section driving unit and a control unit for controlling the component assembling unit driving unit. . The control unit includes:
It is preferable that the moving path of the component assembling unit in the row n column can be set appropriately. The control unit includes:
The injection device may be configured to be controllable so that resin filling between the plurality of first molding sections and the second molding section can be selectively performed. The injection device may include a plurality of injection devices capable of injecting different kinds of resins. It is preferable that three or more pairs of the first molding part and the second molding part are provided, and that the parts are assembled a plurality of times from the second mold board side.

In order to solve the above-mentioned problems, a first mold board having a plurality of first molding portions and a plurality of the first mold boards when engaging with the first mold board are provided. And a second mold plate having a plurality of second molding portions for molding parts between the first molding portion and the first molding portion, respectively. A molding and assembling method, wherein the first mold plate has an assembly portion provided with a component assembling portion movably provided and capable of sequentially assembling components by the movement, and the first mold plate or The second mold plate includes a transfer unit for transferring a part formed by the first forming unit and the second forming unit to a position near the assembly unit. The part transferred to the vicinity of the assembly part by the transfer means is transferred to the part assembling part of the assembly part. Moving means for engaging the first mold board and the second mold board to fill a resin between the plurality of the first molding section and the second molding section, thereby forming various parts. Forming the parts, transferring the various parts to the vicinity of the assembly section by the transfer means, moving the various parts to the component assembly section of the assembly section by the movement means, and assembling the A resin product molding and assembling method is characterized in that a resin product is molded and assembled by repeating a step of moving a component assembling portion.

[0008] The resin product molding and assembling apparatus of the present invention comprises a first mold plate having a plurality of first molding portions, and a plurality of first mold plates of the first mold plate when engaged with the first mold plate. A second section having a plurality of second forming sections for forming a part with the forming section;
A first mold plate, the first mold plate having a component assembling portion provided movably and capable of sequentially assembling parts by the movement, and a first mold plate or The second mold plate has a transfer means for transferring the parts formed by the first forming part and the second forming part to the vicinity of the assembling part. Moving means for moving the parts transferred to the parts assembling section of the assembling section. For this reason, each molded part is transferred to the vicinity of the assembly section by the transfer means, and then moved to the component assembling section of the assembly section by the transfer means, and further, one movement path in which the component assembling section is set. Are moved and rearranged according to. By repeating these operations, the components are sequentially assembled to produce a resin product.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A resin product molding and assembling apparatus according to the present invention will be described below with reference to an embodiment shown in FIGS. FIG. 1 is a front view of the vicinity of a mold plate unit of a resin product molding and assembling apparatus 1 according to one embodiment of the present invention, and FIG.
FIG. 3 is an enlarged view of the first mold platen surface taken along line AA of FIG.
FIG. 4 is an enlarged view of the second die plate surface from the line AA in FIG. 1, and FIGS. 4, 5, 8 and 9 are views for explaining the operation of the transfer means 8 of the resin product molding and assembling apparatus 1. 6 and 7 are explanatory views for explaining the operation of the moving means 9 of the resin product molding and assembling apparatus 1. FIG.

The resin product molding and assembling apparatus of the present invention is characterized in that a plurality of parts, in particular, three or more parts can be sequentially assembled in the mold from the same direction (the second mold plate 5 side). It has two features. For example, it is suitable for use in producing a functional component such as a gear box in which a plurality of gears rotatably provided in a housing mesh with each other and rotate together. Assembling, and assembling the cover a plurality of times from the same direction, such as assembling, can be performed in the mold.
In this embodiment, it is configured such that assembling from the same direction (the second mold plate 5 side) can be performed up to ten times.

More specifically, the resin product molding and assembling apparatus 1 of this embodiment includes a first mold plate 3 having a plurality of first molding portions 2.
And a plurality of second forming portions 4 for forming parts between the plurality of first forming portions 2 of the first mold plate 3 when engaging with the first mold plate 3. A resin product forming and assembling apparatus that includes a second mold plate 5 and forms and assembles a plurality of parts. The first mold plate 3 is provided so as to be movable, and the parts can be sequentially assembled by the movement. And a second mold plate 5 for transferring a part formed by the first forming part 2 or the second forming part 4 to the vicinity of the assembling part 7. Transfer means 8 and the second
When the mold plate 5 engages with the first mold plate 3, the transfer means 8
And moving means 9 for moving the parts transferred to the vicinity of the assembling section 7 to the parts assembling section 6 of the assembling section 7. Further, the resin product molding and assembling apparatus 1 of this embodiment is
It has a third mold board 10, a fourth mold board 11, a fifth mold board 12, an injection device 13, and a control unit. Hereinafter, each configuration will be described in detail.

The first mold plate 3, the second mold plate 5, the third mold plate 10, the fourth mold plate 11, and the fifth mold plate 12 are respectively provided with a PL opening / closing member provided at the top and bottom in FIG. The cylinder 21 is configured to be able to reciprocate along the guide post 22.

The third mold disk 10 constitutes a part of the moving means 9 described later, and acts when moving the various molded parts to the component assembling section 6 of the assembly section 7. Also, the fourth mold plate 1
1 acts when detaching unnecessary runners 70 remaining after molding. That is, as shown in FIG. 11, the runner 70 is separated from the fifth mold plate 12 slightly, and is dropped downward.

An injection device 13 is provided outside the fifth mold plate 12 as shown in FIG.
3 to 5th mold plate 12, 4th mold plate 11, 3rd mold plate 1
A sprue runner 20 is formed penetrating through the inside of the 0 and the second mold plate 5. This sprue runner 20
Has a branch at the tip end, and functions as a flow path for filling the gap between each of the gates with each of the first molding portion 2 and the second molding portion 4 with molten resin at each molding.

The first mold plate 3 is provided with a plurality of cavities constituting the first forming portion 2, and a plurality or a plurality of types of parts are formed at these portions, respectively. Specifically, as shown in FIG. 2, a first cavity 2a and a second cavity 2 are provided on the surface of the first mold plate 3 of this embodiment.
b, third cavity 2c, fourth cavity 2d, fifth cavity 2e, sixth cavity 2f, seventh cavity 2
g, 8th cavity 2h, 9th cavity 2i, 10th cavity
There are provided a total of eleven cavities, a cavity 2j and an eleventh cavity 2k. However, the number of cavities constituting the first molded portion is not limited to 11, and one having a plurality of cavities according to the number of parts of a resin product to be manufactured is widely included in the scope of the present invention.

The assembling part 7 is a part for assembling various parts molded by filling a resin into a gap between the plurality of first molding parts 2 and a second molding part 4 of a second mold plate 5 described later. As shown in FIG. 2, the first die plate 3 is provided at the center of the die plate surface.

The assembling part 7 is provided so as to be movable, and the parts assembling parts 6a, 6b, 6c, 6d, 6e, 6f, 6g, 6 to which the parts can be assembled by the movement.
h, 6i, 6j, and 6k are provided. That is, the component assembling parts 6a, 6b, 6c, 6d, 6e, 6f, 6g,
By moving 6h, 6i, 6j, and 6k to another part in the assembly part 7, the next part can be assembled at that part. In addition, the part assembling section 6 of this embodiment has a total of 1
Eleven are provided corresponding to one first forming part 2.

Further, the parts assembling parts 6a, 6b, 6c, 6
d, 6e, 6f, 6g, 6h, 6i, 6j, and 6k are arranged in three rows and four columns in the assembly unit 7. By arranging the part assembling units 6 in m rows and n columns,
The space of the assembling section can be more effectively used, and molding and assembling of a resin product having a larger part or a large number of parts can be performed.

The assembling section 7 has 3 rows and 4 columns, that is, at least one of the 12 sections is an empty space (a space in which no part assembling section exists). By providing such an empty space 7a in the assembly section 7,
Parts assembling parts 6a, 6b, 6c, 6d, 6e, 6f, 6
g, 6h, 6i, 6j, and 6k are configured to be movable in the row direction or the column direction. Therefore, the empty space does not indicate a predetermined part in the assembling part 7, but the parts assembling parts 6a, 6b, 6c, 6d, 6e, 6f, 6g, 6
The existing parts fluctuate with the movement of h, 6i, 6j, and 6k (the rearrangement of each part assembling unit in the assembling unit 7).

The parts assembling parts 6a, 6b, 6c,
6d, 6e, 6f, 6g, 6h, 6i, 6j, 6k are:
As shown in FIG. 2, the component assembling section driving means (cylinder)
14a, 14b, 14c, 14d, 14e, 14f, 1
4g and a control unit for controlling these are configured to be movable in the row direction or the column direction.

More specifically, the part assembling section driving means 14a
Is that the rod expands and contracts along the first row,
The component assembling section 6 located in the first row can be moved (reciprocated) along the first row, and the component assembling section driving means 14 can be used.
b can move (reciprocate) the component assembling part 6 located in the second row by extending and contracting the rod along the second row, and drive the component assembling part. Means 1
4c can move (reciprocate) the component assembling portion 6 located in the third row by extending and contracting the rod along the third row, and drive the component assembling portion. Means 1
4d can move (reciprocate) the component assembling section 6 located in the first row by extending and contracting the rod along the first row, and drive the component assembling section. Means 1
4e can move (reciprocate) the component assembling unit 6 located in the second row by extending and contracting the rod along the second row, and drive the component assembling unit. Means 1
4f can move (reciprocate) the component assembling portion 6 located in the third row by extending and contracting the rod along the third row, and further, component assembling. The part driving unit 14g can move (reciprocate) the component assembling unit 6 located in the fourth row by extending and contracting the rod along the fourth row.

As described above, in this embodiment, at least one empty space is provided in the assembling section 7, and the parts assembling section driving means 14 and the control section for controlling the parts assembling section 7 have a very simple structure. Assembling parts 6a, 6b, 6c, 6
The d, 6e, 6f, 6g, 6h, 6i, 6j, and 6k can be moved to any position in the assembly section 7 (as indicated by arrows shown in the respective spaces in FIG. 16). Each of the component assembling sections 6a, 6b, 6c, 6d, 6e,
6f, 6g, 6h, 6i, 6j, and 6k move sequentially.

The control unit is configured so that the moving path of each component assembling unit 6 in m rows and n columns can be appropriately set. Thus, it is possible to produce various types of resin products by changing the order of assembling the various components.

Further, the parts assembling sections 6a, 6 of the assembling section 7
b, 6c, 6d, 6e, 6f, 6g, 6h, 6i, 6
Component holding pins 15 are provided upright at j and 6k, respectively. The component holding pins 15 are used to move the component assembling parts 6a, 6b, 6c, 6d,
After the various components are moved to 6e, 6f, 6g, 6h, 6i, 6j, and 6k, the various components are moved to the respective component assembling sections 6a, 6b, and 6k.
c, 6d, 6e, 6f, 6g, 6h, 6i, 6j, 6k
It is intended to hold it so that it does not easily move away from or rotate. In particular, in the case where a functional component such as a gear that performs a relative operation is included, the gear or the like is held so as not to be able to perform an operation such as rotation at the time of forming and assembling, thereby enabling the assembling.

More specifically, the various components include component assembling parts 6a, 6b, 6c, 6d, 6e, 6f, 6g, 6h, 6
i, 6j, and 6k, the component holding pin 1
5 is held in a state where it is stabbed at least one or more times, and particularly in the case of a functional component such as a gear, is held by two or more component holding pins 15 in order to make a relative inoperative state such as rotation. It is configured as follows.

The holes or recesses of various parts into which the component holding pins 15 are pierced are formed at the time of molding, and the holes and recesses are formed to have a smaller diameter than the component holding pins 15 so that they can move. After moving from the means 9, the various parts are assembled into the part assembling parts 6a, 6b, 6c, 6d, 6e, 6f, 6
g, 6h, 6i, 6j, and 6k are held so as not to easily come off.

The transfer means 8 provided on the second mold plate 5 includes:
Various parts molded between the first molding section 2 of the first mold board 3 and the second molding section 4 of the second mold board 5 are placed near the assembly section 7 (first section).
(A position facing the assembly section 7 of the mold board 3).

As shown in FIG. 3, the transfer means 8 of this embodiment includes first to eleventh slide portions 16a, 16b,
16c, 16d, 16e, 16f, 16g, 16h, 1
6i, 16j, 16k, a first slide cylinder 17a for reciprocating the first slide portion 16a, a second slide cylinder 17b for reciprocating the second slide portion 16b, and a third slide portion 16c. The third slide cylinder 17c for reciprocating the
The fourth slide cylinder 17d for reciprocating the fifth and fifth slide parts 16d and 16e, the fifth slide cylinder 17e for reciprocating the sixth and seventh slide parts 16f, the eighth slide part 16g, 16h
Slide sixth cylinder 17f for reciprocating the cylinder
A sliding seventh cylinder 17g for reciprocating the ninth sliding portion 16i, and a tenth sliding portion 16j
Eighth cylinder 17h for reciprocating the cylinder
And a ninth sliding cylinder 17i for reciprocating the eleventh sliding portion 16k.

The first to ninth slide cylinders 17a, 17b, 17c, 17d, 17e, 17
When the rods f, 17g, 17h, and 17i are extended, the first to eleventh sliding portions 16a, 16b, 16
c, 16d, 16e, 16f, 16g, 16h, 16
i, 16j, and 16k move to the center, respectively. The first slide portion 16a is in the first row and first column, the second slide portion 16b is in the first row and second column, and the third slide portion 16c is in the first row and second column. 1
In the third row of the row, the fourth slide portion 16d is in the first row of the second row,
The fifth slide 16e is in the second row and second column, the sixth slide 16f is in the second row and third column, the seventh slide 16g is in the third row and first column, and the eighth slide 16h is in the third row. In the second row, the ninth slide 16i is in the third row and third column, the tenth slide 16j is in the fourth row and first column, and the eleventh slide 1
6k is configured to move to the fourth row and third column, respectively.

Incidentally, the first row, first column to fourth row, fourth column of the second die board 5 correspond to the first row, first column to fourth row, fourth row of the assembly section 7 of the first die board 3. It is provided at a position corresponding to each of the four columns, and is configured such that when the first mold plate 3 and the second mold plate 5 are engaged, each row and each column face each other.

The first to eleventh slide portions 16
a, 16b, 16c, 16d, 16e, 16f, 16
g, 16h, 16i, 16j, and 16k are provided with first to eleventh cores 4 constituting the second molded part 4, respectively. When the first mold plate 3 and the second mold plate are engaged with each other, the first to eleventh cavities 2a, 2b, 2c, 2d, 2e, 2f, 2g, which are the first molding portions 2 of the first mold plate 3 described above. 2h, 2
Various components are molded with the resin that is engaged with i, 2j, and 2k, respectively, and is filled in the gaps.

That is, the first to ninth slide cylinders 17a, 17b, 17c, 17d, 17e, 17
In the state in which the rods f, 17g, 17h, and 17i are contracted (initial state), the cavities 2a and 2 forming a pair, respectively.
b, 2c, 2d, 2e, 2f, 2g, 2h, 2i, 2
Various components can be formed between j, 2k and the core 4.

The moving means 9 is moved by the transferring means 8
In this embodiment, as shown in FIG. 6, a third mold plate 10 and a third mold plate 10 are provided in the third mold plate 10. An upright pressing pin 18, a pressing pin insertion hole 5 a provided in each of the rows and columns of the second die plate 5 and formed at a position where the pressing pin 18 can penetrate, and first to ninth sliding portions 16
a, 16b, 16c, 16d, 16e, 16f, 16
g, 16h, 16i, 16j, and 16k, each of which is movably provided, and includes a pressed pin 19 pressed by a pressing pin 18.

More specifically, a plurality of pressing pins 18 are provided so as to protrude in a direction orthogonal to the third die plate 10, and as shown in FIG. 5a can be inserted. Further, the pressed pin 19 includes first to ninth slide portions 16a, 16b, 16c, 16
d, 16e, 16f, 16g, 16h, 16i, 16
j and 16k, respectively, and are configured such that when the base end is pressed by the pressing pin 18, the distal end side slightly protrudes as shown in FIG. That is, when the third mold plate 10 is moved downward in FIG. 7, the pressing pin 18 presses the pressed pin 19 and the pressed pin 19
Are the first to ninth slide portions 16a, 16b, 16c,
16d, 16e, 16f, 16g, 16h, 16i, 1
6j and 16k, respectively. Since the molded various components 40 are designed to adhere to the first to eleventh cores 4 due to resin shrinkage after molding, the various components 40 are respectively held by the first to eleventh cores 4 in accordance with the above operation. Each of the pressed pins 19 presses the various components 40 that are present and moves them to each of the component assembling sections 6.

One or more pressing pins 18 are provided at appropriate positions according to the components in order to surely move various components to the respective component assembling portions. Further, since the pressed pin 19 is urged upward in FIG. 7 by a spring, when the pressing by the pressing pin 17 is released, the pressed pin 19 is automatically returned to the initial position shown in FIG. I have.

On the other hand, each of the component assembling portions 6 is provided with a hole for projecting an ejector pin (not shown). When the resin product is completed, the ejector pin projects from the component assembling portion 6 to separate the resin product. It is configured to be typed.

As described above, in the resin product molding and assembling apparatus of the present invention, various parts molded in the first molding section 2 and the second molding section are respectively transferred to the vicinity 7 of the assembly section by the transfer means 8 and moved. It is moved to the part assembling part 6 by the means 9,
Further, the component assembling section 6 moves for each molding. Therefore, each time the component assembling section 6 moves, various components are sequentially attached, and a series of these operations are repeated, whereby a resin product including a plurality of components is assembled in the mold.

In the resin product forming and assembling apparatus 1 of this embodiment, the transfer means 8 for transferring the parts formed in the second forming section 4 to the vicinity of the assembling section 7 by the second mold plate 5 is provided. However, the present invention is not limited to this, and the first mold plate may have a transfer unit for transferring the part molded by the first molding unit to the vicinity of the assembly unit 7. . In this embodiment, the second mold plate 5 is used to transfer the various components 40 transferred to the vicinity of the assembly unit 7 by the transfer means 8 to the component assembly unit 6 of the assembly unit 7.
Of the assembling unit 7, the transfer unit 8 and the transfer unit 9 are all provided in one of the opposed die plates (the first die plate). Mold plate or the second mold plate).

Further, the assembling section 7 of this embodiment includes component assembling sections 6a, 6b, 6c, 6d, 6e, 6f, 6g, 6
h, 6i, 6j, and 6k are arranged in three rows and four columns. However, the present invention is not limited to this, and the part assembling unit may be arranged in m rows and n columns (m, n). Widely encompasses those which can be arranged in two or more natural numbers. By arranging the part assembling sections in m rows and n columns in this manner, the space of the assembling section can be more effectively utilized, and molding and assembling of a larger part or a resin product composed of many parts can be performed. It becomes possible.

Further, the control section selects which of the first molding section and the second molding section is to be filled with the resin, and fills the resin only between the selected first molding section and the second molding section. May be controlled. Thereby, the device can be partially used, and more types of resin products can be manufactured.

Further, although the injection device of this embodiment is composed of one device, it may be composed of a plurality of injection devices capable of injecting different kinds of resins. Thereby, multi-material molding becomes possible, and more types of resin products can be manufactured.

Further, the assembling part 7 of this embodiment is provided at the center of the first die plate 3, but is not limited to this. For example, a half of the die plate surface is formed as a molding part and the other half is formed. Are also included in the scope of the present invention.

Further, the transfer means 8 of this embodiment transfers various parts toward the center.
The present invention is not limited to this, and for example, a method in which various parts are transferred at once from a molded part provided on a half of the mold plate surface to an assembly part provided on the other half is widely included in the scope of the present invention. Included.

Further, although the transfer means 8 of this embodiment uses a cylinder, the invention is not limited to this. Any structure may be used as long as it can transfer various parts. Further, although the cylinder is also used in the component assembling portion driving means 14 of this embodiment, the invention is not limited to this. Any structure can be used as long as the component assembling portion can be moved. Good.

Next, the resin product forming and assembling method of the present invention will be described with reference to the drawings, taking the resin product forming apparatus 1 as an example. The resin product molding and assembling method of the present invention includes a first mold plate 3 having a plurality of first molding portions 2 and a plurality of first mold plates 3 when engaged with the first mold plate 3. A second mold plate 5 having a plurality of second forming parts 4 for forming parts between the first forming part 2 and a resin molding apparatus for forming and assembling a plurality of parts; In the method of forming and assembling a product, the first mold plate 3 has an assembling part 7 having a component assembling part 6 which is movably provided and which can sequentially assemble parts by the movement, and a second mold. The board 5 is provided with a transfer unit 8 for transferring the parts formed by the second forming unit 4 to the vicinity of the assembly unit 7, and the transfer unit 8 when the assembly unit 7 is engaged with the first mold plate 3. The parts transferred to the vicinity are transferred to the assembling unit 7.
Moving means for moving to the part assembling part 6 of the first mold part 3, the first mold part 3 and the second mold part 5 are engaged, and the resin is formed into a plurality of first molding parts 2 and second molding parts 2. A step of forming various parts by filling between the parts 4, a step of transferring various parts to the vicinity of the assembling part 7 by the transfer means 8, a first die plate 3 and a second die plate 5
And moving the various parts to the component assembling part 6 of the assembling part 7 by the moving means 9 and assembling the parts, and repeating the step of moving the parts assembling part 6 of the assembling part 7 sequentially, so that the resin product is It can be molded and assembled. In addition,
Each component of the resin product forming and assembling apparatus 1 is as described above, and the detailed description is omitted, and each step will be described.

More specifically, the method of molding and assembling a resin product according to this embodiment includes a first mold plate 3, a second mold plate 5, a third mold plate 10, a fourth mold plate 11, and a fifth mold plate. A first method of closing the gaps between the mold plates 12 and filling the resin between the plurality of first molding portions 2 and the second molding portions 4 to mold various components.
Steps, first mold plate 3, second mold plate 5, third mold plate 1
A second step of opening the 0, fourth mold board 11 and the fifth mold board 12 and separating them from each other, and a third step of transferring various parts to positions facing the assembly unit 7 by the transfer means 8, respectively. A fourth step of closing the first mold board 3 and the second mold board 5 with each other, and closing the second mold board 5 and the third mold board 10 with each other and moving the various parts by the moving means 9 into the assembly unit 7. A fifth step of moving the parts to the part assembling section 6 and assembling them; a sixth step of mutually opening the first mold board 8, the second mold board 5 and the third mold board 10 and separating them from each other; A seventh step of moving the part assembling section 6 of the first step, and a eighth step of returning the second forming section 4 to the initial position by the transfer means 8 and opposing the first forming section 2 and the second forming section 4 to positions at which they can be formed. This is a method of molding and assembling a resin product by repeating the steps. Hereinafter, each step will be described in detail.

In the first step, as shown in FIG.
The opening / closing cylinder 21 is operated to close the first mold plate 3, the second mold plate 5, the third mold plate 10, the fourth mold plate 11, and the fifth mold plate 12, respectively. And the injection device 13
More molten resin is injected and filled between the first molding part 2 and the second molding part 4 via the sprue runner 20, and various parts 40 are molded.

Next, in the second step, as shown in FIG. 11, the PL opening / closing cylinder 21 is operated, and the first mold plate 3, the second mold plate 5, the third mold plate 10, the fourth mold plate The mold plate 11 and the fifth mold plate 12 are opened and separated from each other. With this operation, an ejector pin (not shown) protrudes toward the second mold plate 5 side of the first mold plate 3 at the set component assembling portion 6 and presses the assembled resin product 50. Release the mold. The runner 70 is also discharged by the separation between the second mold plate 11 and the fifth mold plate 12.

In the third step, as shown in FIG. 12, various parts are transferred by the transfer means 8 toward the center (a position facing the assembly section 7 of the first mold plate 3). In particular,
Slide first to ninth cylinders 17a, 17b,
17c, 17d, 17e, 17f, 17g, 17h, 1
7i is extended in the direction of the arrow in the figure, and the first to eleventh sliding parts 16a, 16b, 1
6c, 16d, 16e, 16f, 16g, 16h, 16
i, 16j and 16k are respectively moved to the center. That is, the first slide portion 16a is placed in the first row and the first column,
The slide section 16b is arranged in the first row and the second column, and the third slide section 1
6c in the first row and third column, fourth slide portion 16d in the second row and first column, fifth slide portion 16e in the second row and second column, and sixth slide portion 16f in the second row and third column. The seventh slide 16g is in the third row and the first column, and the eighth slide 16h is in the third
The ninth slide part 16i is in the third row and third column in the second row and the second column.
The tenth slide 16j is moved to the fourth row and first column, and the eleventh slide 16k is moved to the fourth row and third column.

With these operations, the first sliding portion 1
The first core 4 provided in 6a is provided in the first row and first column, the second core 4 provided in the second slide portion 16b is provided in the first row and second column, and the second core 4 provided in the third slide portion 16c. The three cores 4 are arranged in the first row and the third column in the fourth slide portion 16d.
The core 4 is provided in the second row and the first column, the fifth core 4 provided in the fifth slide portion 16e is provided in the second row and the second column, and the sixth slide portion 1 is provided.
The sixth core 4 provided in 6f is provided in the second row and third column, the seventh core 4 provided in the seventh slide portion 16g is provided in the third row and first column, and the sixth core 4 provided in the eighth slide portion 16h. The eight cores 4 are arranged in the third row and the second column in the ninth slide portion 16i.
The core 4 is located in the third row and the third column, the tenth core 4 provided in the tenth sliding portion 16j is located in the fourth row and the first column, and the eleventh core 4 provided in the eleventh sliding portion 16k is located in the fourth row. Move to the third column respectively.

In this embodiment, the various parts molded in the first molding part 2 and the second molding part 4 are attached to the second molding part 4 (core) side by resin shrinkage after molding. Therefore, the various components 40 are transferred as shown in FIGS. 4 and 5 in accordance with the above operation.

In the fourth step, as shown in FIG.
By operating the opening / closing cylinder 21, the second mold plate 5 is moved in the direction of the arrow in the drawing, and the first mold plate 3 and the second mold plate 5 are moved.
Close each other. By this operation, each slide portion 16 approaches the assembly portion 7. This step is performed to engage the first mold plate 3 and the second mold plate 5 and to move the various components 40 to the component assembling portions 6 in a fifth process described later. , First die plate 3 and second die plate 5
Is not necessarily limited to closing the mold as long as the fifth step can be performed even if they are slightly apart.

Further, in the fifth step, as shown in FIG. 14, the PL opening / closing cylinder 21 is operated to move the third mold plate 1
0 in the direction of the arrow in FIG.
The mold plates 10 are closed with each other and various components 40 are moved by the moving means 9.
Are moved to the component assembling section 6 of the assembling section 7 to perform assembling.

Specifically, as shown in FIG. 7, a pressing pin 18 provided on the third mold board 10 passes through a pressing pin insertion hole 5a provided in the second mold board 5. , And the first to eleventh slide portions 16a, 16b, 16c, 1
6d, 16e, 16f, 16g, 16h, 16i, 16
j, 16k to be pressed respectively provided in
, And the tip of the pressed pin 19 is first to first
Each of the components 40 held by one core 4 is pressed,
The parts are moved to the parts assembling part 6 of the assembling part 7, respectively.

In the sixth step, as shown in FIG.
By operating the opening / closing cylinder 21, the second mold plate 5 and the third mold plate 10 are respectively moved in the direction of the arrow in the figure,
The mold plate 3, the second mold plate 5, and the third mold plate 10 are opened and separated from each other.

Further, in the seventh step, the component assembling sections 6 of the assembly section 7 are moved. Specifically, FIG.
As shown in the figure, the parts assembling parts 6a, 6b, 6c, 6d, 6
e, 6f, 6g, 6h, 6i, 6j, 6k are component assembling section driving means (cylinders) 14a, 14b, 14c, 1
4d, 14e, 14f, and 14g and a control unit for controlling them move in the row direction or the column direction, respectively, according to one set movement path shown in the figure.
That is, the parts assembling parts 6a, 6b, 6c, 6d, 6e,
6f, 6g, 6h, 6i, 6j, and 6k move to the parts where the next parts are assembled.

In the eighth step, the first to eleventh cores 4 are returned to a position where they can be formed by the transfer means 8. In this embodiment, as shown in FIG.
The first slide portion 16 is moved outward (each in the direction of the arrow in the figure) by operating the first to ninth slide cylinders 17 respectively. By this operation, the first to eleventh slide units 16 move from the state of FIG. 8 as shown by the arrows in FIG.

As described above, in the resin product molding and assembling method of the present invention, a plurality of parts constituting the resin product are molded at one time in one cycle consisting of the above eight steps, and these parts are assembled. Each part is transferred to a predetermined position near the part 7 and moved to each part assembling part 6. Each part assembling unit 6 sequentially moves along one movement path arbitrarily set in the control unit and receives the next part at the next part. Is performed, and by repeating a series of steps, 1
A desired resin product is produced for each cycle.

[0059]

According to the first aspect of the present invention, even if a resin product is composed of a plurality of types of resin components, particularly a resin product that includes a functional component such as a gear that operates relatively, It is possible to mold and assemble various parts, and the production cost of resin products can be significantly reduced. According to the second aspect of the present invention, the space of the assembling portion can be effectively utilized, and molding and assembling of a resin product including a larger part or a large number of parts can be performed.
According to the invention described in claim 3, the invention described in claim 2 can be realized with a simple structure. According to the fourth aspect of the invention, it is possible to manufacture various types of resin products by changing the order of assembling the various components. According to the invention described in claim 5, the device can be partially used,
More types of resin products can be manufactured. According to the invention described in claim 6, multi-material molding can be performed, and more types of resin products can be manufactured. According to the invention described in claim 7, a resin product that requires a plurality of assembling operations from the same direction can be easily formed and assembled. According to the invention as set forth in claim 8, even if the resin product is composed of a plurality of types of resin parts, particularly a resin product including functional parts such as gears which operate relatively, each resin part is formed. In addition, it is possible to assemble, and it is possible to remarkably reduce the production cost of the resin product.

[Brief description of the drawings]

FIG. 1 is a front view of the vicinity of a mold board of an embodiment of a resin product molding and assembling apparatus according to the present invention.

FIG. 2 is a view of a first mold board side viewed from a line AA in FIG. 1, and is a view showing a mold surface of the first mold board;

FIG. 3 is a view of the second mold board side as seen from line AA in FIG. 1, and is a view showing a mold surface of the second mold board;

FIG. 4 is an explanatory diagram for explaining an operation of a transfer means of the resin product molding and assembling apparatus shown in FIG. 1;

FIG. 5 is an explanatory diagram for explaining an operation of a transfer means of the resin product molding and assembling apparatus shown in FIG. 1;

FIG. 6 is an explanatory diagram for explaining an operation of a moving unit of the resin product molding and assembling apparatus shown in FIG. 1;

FIG. 7 is an explanatory diagram for explaining an operation of a moving means of the resin product molding and assembling apparatus shown in FIG. 1;

FIG. 8 is an explanatory diagram for explaining an operation of a transfer means of the resin product forming and assembling apparatus shown in FIG. 1;

FIG. 9 is an explanatory diagram for explaining an operation of a transfer means of the resin product molding and assembling apparatus shown in FIG. 1;

FIG. 10 is an explanatory diagram for explaining an operation of the resin product molding and assembling apparatus shown in FIG. 1;

FIG. 11 is an explanatory diagram for explaining an operation of the resin product molding and assembling apparatus shown in FIG. 1;

FIG. 12 is an explanatory diagram for explaining an operation of the resin product forming and assembling apparatus shown in FIG. 1;

FIG. 13 is an explanatory diagram for explaining an operation of the resin product molding and assembling apparatus shown in FIG. 1;

FIG. 14 is an explanatory diagram for explaining an operation of the resin product molding and assembling apparatus shown in FIG. 1;

FIG. 15 is an explanatory diagram for explaining an operation of the resin product forming and assembling apparatus shown in FIG. 1;

FIG. 16 is an explanatory diagram for explaining an operation of the resin product molding and assembling apparatus shown in FIG. 1;

FIG. 17 is an explanatory diagram for explaining an operation of the resin product molding and assembling apparatus shown in FIG. 1;

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 resin product forming and assembling apparatus 2 first forming section 3 first mold board 4 second forming section 5 second mold board 6 parts assembling section 7 assembling section 8 transfer means 9 moving means 10 third mold board 11 4 mold board 12 5th mold board 13 Injection device 14 Component assembling section driving means 15 Component holding pin 16 Slide section 17 Slide cylinder 18 Press pin 19 Pressed pin 21 PL open / close cylinder 22 Guide post

Claims (8)

[Claims] A first mold plate having a plurality of first forming portions and a plurality of first forming portions of the first mold plate when the first mold plate is engaged with the first mold plate; And a second mold plate having a plurality of second forming portions for forming the respective parts at
What is claimed is: 1. A resin product forming and assembling apparatus for forming and assembling a plurality of parts, wherein the first mold plate is provided movably and provided with an assembling part having a part assembling part capable of sequentially assembling parts by the movement. Wherein the first die plate or the second die plate has a transfer means for transferring the parts formed by the first forming part and the second forming part to the vicinity of the assembly part. The second mold plate has a moving means for moving a part transferred to the vicinity of the assembling part by the transferring means to the parts assembling part of the assembling part. Resin product molding and assembly equipment. 2. The component assembling section of the assembling section, wherein m rows and n rows
Arranged in columns (m and n are natural numbers of 2 or more), at least one empty space is provided in m rows and n columns, and the component assembling portion is configured to be movable in the row direction or the column direction. The resin product molding and assembling apparatus according to claim 1, wherein 3. The part assembling part of the assembling part is configured to be movable in a row direction or a column direction by a part assembling part driving means and a control part for controlling the part assembling part driving means. The resin product molding and assembling apparatus according to claim 2. 4. The resin product molding and assembling apparatus according to claim 3, wherein the control unit is capable of appropriately setting a movement path of the component assembling unit in m rows and n columns. 5. The injection device according to claim 3, wherein the control unit is configured to control an injection device so that resin can be selectively filled between the plurality of first molding units and the second molding unit. A resin product molding and assembling apparatus as described in the above. 6. The resin product molding and assembling apparatus according to claim 5, wherein said injection device comprises a plurality of injection devices capable of injecting different kinds of resins. 7. The apparatus according to claim 1, wherein three or more pairs of the first forming part and the second forming part are provided, and a plurality of parts can be assembled from the side of the second die board. A resin product forming and assembling apparatus according to any one of the above. 8. A space between a first mold plate having a plurality of first forming portions and the plurality of first forming portions of the first mold plate when engaging with the first mold plate. And a second mold plate having a plurality of second forming portions for forming the respective parts at
A resin product forming and assembling method using a resin product forming and assembling apparatus for forming and assembling a plurality of parts,
The mold board has an assembly unit provided with a component assembling unit movably provided and capable of sequentially assembling parts by the movement, and the first mold board or the second mold board includes the second mold board. 1
A transfer unit for transferring a part formed by the forming unit and the second forming unit to a position near the assembly unit;
The mold board has moving means for moving the parts transferred to the vicinity of the assembly section by the transfer means to the component assembling section of the assembly section. Second
A step of engaging a mold disc and filling a resin between the plurality of first molding sections and the second molding section to form various components; and a step of transporting various components to a vicinity of the assembly section by the transfer means. By repeating the step of moving and assembling various parts to the component assembling section of the assembling section by the moving means, and the step of moving the component assembling section of the assembling section,
A resin product molding and assembling method, wherein a resin product is molded and assembled.