JPH081593A - Chemical fiber interior trim molding device - Google Patents

Abstract

PURPOSE: To improve productivity and quality by performing trimming work simultaneously when an interior material, for example, an interior material for automobile, is molded. CONSTITUTION: A chemical fiber raw material 6 is molded by an upper die 1 in which a pad 3 is springily energized by a spring 5 and a lower die 2 in which a pad 4 is fixed. A scraping blade 7 is provided in close proximity to the upper die 1 in such a way that the blade protrudes like a tooth along an outer peripheral fringe of the pad 3 in the upper die 1. A pressure support rod 8 which is springily energized by a spring 9 is provided on an outer side so as to rise and lower freely, and a receive base for pressure support rod 10 is provided across a clearance for blade insertion 11 on an outer side of the pad 4 of the lower die 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a chemical fiber interior material molding apparatus, and more particularly, to a molding simultaneous trimming apparatus capable of performing molding and trimming operations at the same time, and more particularly to interior materials such as automobile interior materials. At the same time as the production of chemical fiber with chemical fiber, the press work of molding the chemical fiber material into a specific shape with a press die and the trimming work of trimming unnecessary edges and fins (FIN) of the product to shape the product cleanly at the same time. A device adapted to be able to perform.

[0002]

2. Description of the Related Art Generally, a vehicle bottom plate, a ceiling plate, a door plate,
Interior materials for automobiles such as wheel covers, trunks, and shelves are mainly produced by processing chemical fiber materials.

A conventional work process for forming the above-mentioned automobile interior product will be described below.

That is, after the upper and lower molds manufactured in the form of the product to be manufactured are mounted on the press machine, the already heated chemical fiber material is placed between the upper and lower molds to perform the press molding work. After doing, remove the product from the mold.

After that, the press die is replaced with a trimming die, or if there is a press machine equipped with another trimming die, the above-mentioned molded product is placed on the trimming die of this press machine. Then, trimming work that cuts unnecessary edges and fins from the molded product is performed to model the finished product, and part of it has been trimmed directly by a trimming jig to model the finished product.

[0006]

In such a conventional production method, since the pressing work by the die and the trimming work by the trimming die or jig must be performed separately,
The work is very cumbersome and the production efficiency is low in spite of a lot of work.

Further, there is a problem that the investment of facility cost is increased by separately providing a die and a press necessary for trimming. In particular, trimming the molded product taken out from the mold by using a trimming mold or a jig, the trimming state is not uniform for each finished product, and there is a problem that the quality deteriorates and the defect occurrence rate increases. . Therefore, there has been a problem that the product value is reduced and competitiveness is impaired due to factors such as an increase in personnel costs, an increase in facility costs, and a decrease in productivity such as productivity.

The present invention has been made in view of the above problems, and an object thereof is to improve productivity and quality by simultaneously performing trimming work when molding an interior material of an automobile. An object of the present invention is to provide a chemical fiber interior material molding device that can be used.

[0009]

A chemical fiber interior material molding apparatus according to claim 1, wherein an upper die and a lower die are provided to sandwich the chemical fiber material, and one of the two dies is provided. The two dies are provided so as to be able to move up and down, and the two dies are provided with pads facing each other, and one of the two pads is provided with a spring and resists the force of the spring by being pressed by the other pad Is provided so as to be movable in the pressing direction, and a cutting blade extending toward the sandwiched chemical fiber material is provided outside the movable pad along the outer peripheral edge of the pad. By pressing the other mold as the mold rises or descends, the chemical fiber material is molded between both pads,
Along with this, or by further raising or lowering of the die thereafter, trimming can be performed by the cutting blade protruding (exposed) with the movement of the pad.

According to a second aspect of the present invention, there is provided a chemical fiber interior material molding apparatus, in which a pad (3) elastically urged by a spring and an upper die (1) on which a pad (3) is installed so as to be vertically movable are fixed. A chemical fiber material (6) is molded with the lower mold (2) that has been cut, and the upper mold (1) is cut so that the blade protrudes along the outer peripheral edge of the pad (3). The blade (7) is installed in close proximity, and the pressure support rod (8) elastically urged by the spring (9) is installed on the outer side of the blade (7) so as to be able to move up and down, and the lower die (2)
A paddle support (10) for pressure rod is installed on the outside of the pad (4) with a gap (11) for blade insertion, and the chemical fiber material (6) is molded by the primary press pressure in one step. Trimming work can be performed by the secondary press pressure at the same time as work and cooling are performed.

The term "pad (3) elastically urged by a spring" as used herein means that the pad (3) receives a reaction force generated when the other pad (4) is pressed. It means that the spring is contracted, so that the pad (3) is provided so as to elastically move in the pressing direction against the repulsive force of the spring.

A chemical fiber interior material molding apparatus according to a third aspect of the present invention is the apparatus according to the first or second aspect of the present invention, in which the blade of the cutting blade (7) is formed in a tooth shape.

[0013]

In the apparatus according to the first aspect, one of the molds is raised or lowered, and the chemical fiber material prepared in advance is sandwiched between the two molds. As a result, the chemical fiber material is molded between both pads, and with or after that, the mold is further lifted or lowered.
Next, the movable pad is moved by being pressed by the other pad. As the pad moves, the cutting edge of the cutting blade projects (exposes), and the chemical fiber material is trimmed into a predetermined shape.

As described above, the pressing work for molding the chemical fiber material into a specific shape with the press die and the trimming work for trimming unnecessary edges and fins of the product to cleanly shape the product are simultaneously performed. be able to.

In the apparatus according to claim 2, the chemical fiber material (6) placed on the pad (4) of the lower mold (2) is pressed against the upper mold (1) by applying a primary pressing pressure. To do. As a result, the pad (3) of the upper mold (1) and the pad (4) of the lower mold (2) that are elastically urged by the spring (5) come into contact with each other, and the material (6) is padded ( It is molded into the shape of 3, 4). The pressure support rod (8) of the upper mold (1) descends together with the upper mold (1) and is placed on the pedestal (10) of the lower mold (2) of the chemical fiber material (6). Hold the outer edge. In this state, when the secondary press pressure is further applied to the upper mold (1), the pad (3) of the upper mold (1) is moved to the lower mold (2).
The pad (4) fixed to the upper mold (1) pushes against the spring (5) by the amount of the pressure pressed into the upper mold (1). When the pad (3) of the upper mold (1) is pushed in, the cutting blade (7) installed close to the outer peripheral edge of the pad (3).
Blade of the lower mold (2), the pad (4) of the lower mold (2) and the pedestal (1)
0) to enter into the gap (11) formed between the upper and lower pads (3, 4) to quickly trim the edges according to the shape of the product molded by the upper and lower pads (3, 4).

As described above, the press work for molding the chemical fiber material into a specific shape by the press die and the trimming work for trimming unnecessary edges and fins (FIN) of the product to cleanly shape the product are simultaneously performed. be able to.

In the apparatus according to the third aspect, since the blade of the cutting blade (7) is formed in a tooth shape, shear stress does not occur at one time but partially occurs. That is, it is possible to increase the shearing force on the chemical fiber material (6) molded into a curved shape.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the accompanying drawings.

The apparatus of the present invention comprises an upper mold (1) in which the pad (3) is elastically urged by a spring (5) and a lower mold (2) in which the pad (4) is fixed. A chemical fiber material (6) is molded, and the upper mold (1) is
A cutting blade (7) is installed in close proximity so that a tooth-shaped blade projects along the outer peripheral edge of the pad (3), and a pressure support rod (b) that is elastically urged by a spring (9) on the outside thereof. 8) is installed so that it can be moved up and down, and a support for a pressure support rod (10) is installed outside the pad (4) of the lower mold (2) with a gap (11) for inserting a blade.

In the drawings, 12 is a cooling pipe installed in the pad (3) of the upper mold, 13 is a cooling pipe installed in the pad (4) of the lower mold, and 14 is an upper mold. A guide rod of the mold (1) and a guide hole 15 of the lower mold (2).

In the apparatus of the present invention thus formed, as shown in FIG. 1, the already heated chemical fiber material (6) is placed on the pad (4) of the lower mold (2). Then, when the upper die (1) is pressed by the primary press pressure, as shown in FIG. 2, the pad (3) and the lower die of the upper die (1) are elastically urged by the spring (5). The pad (4) of the mold (2) abuts to mold the chemical fiber material (6) in the form of the pad (3, 4) and cool it. At this time, upper mold (1)
The pressure support rod (8) descends together with the upper mold (1) and holds the outer peripheral edge of the chemical fiber material (6) placed on the pedestal (10) of the lower mold (2).

In this state, when the secondary pressing pressure is further applied to the upper mold (1), the pad (3) of the upper mold (1) is fixed to the lower mold (2) as shown in FIG. Installed pad (4)
Is pushed by the pressure against the spring (5) into the upper mold (1).

Thus, the pad (3) of the upper mold (1)
When is pushed in, the blade of the cutting blade (7), which is installed close to the outer peripheral edge of the pad (3), projects between the pad (4) of the lower mold (2) and the pedestal (10). The formed gap (1
In step 1), the edge trimming work is quickly performed according to the form of the product molded by the upper and lower pads (3, 4), and the hole work is also performed at the same time.

When the trimming blade (7) performs the trimming work as described above, the edge of the chemical fiber material placed on the pad is elastically urged by the spring (9). The pressure rod (8) of the die (1) and the pedestal (1 of the lower die (2)
The trimming work is further facilitated by being firmly clamped by (0).

When the blade of the scraping blade (7) is formed in a tooth shape as shown in FIG. 4, shear stress is not generated at one time but is partially generated. Further, the shearing force on the chemical fiber material (6) molded into a curved shape can be further increased.

Further, by using the removing blade (7) having a wavy edge, the shearing force on the chemical fiber material (6) can be more effectively increased.

[0027]

As described above, according to the present invention, it is possible to simultaneously perform the molding work by the primary press pressure and the trimming work by the secondary press pressure on the chemical fiber material which has already been heated and placed in one step. The work can be performed more easily and quickly than ever before, and the production capacity is greatly improved.

Particularly, since the molding work and the trimming work are performed at the same time with one die, the form of the finished product can be made uniform and the quality can be improved, and the press work is the main work. Since it is possible to manufacture a plurality of cavities in one mold, the manufacturing cost and cost of the mold can be reduced, which is a useful invention for improving competitiveness.

[Brief description of drawings]

FIG. 1 is a sectional view of an essential part showing an example of an apparatus of the present invention,
It is a figure which shows the state in which the chemical fiber material was mounted on the lower mold.

FIG. 2 is a cross-sectional view showing a state in which an upper die is lowered and a chemical fiber material is sandwiched between the two dies.

FIG. 3 is a cross-sectional view showing a state in which the upper mold is further lowered and the chemical fiber material sandwiched by both molds is trimmed.

FIG. 4 is a partial perspective view showing an example of a cutting blade used in the present invention.

[Explanation of symbols]

 1, 2 Upper and lower molds 3, 4 Pad 6 Chemical fiber material 7 Clearing blade 8 Pressure support rod 9 Spring 10 Cradle 11 Gap

Claims (3)

[Claims] 1. An upper die and a lower die are provided for sandwiching a chemical fiber material, and one of the two dies is provided so as to be able to move up and down, and the two dies have pads facing each other. One of the pads is provided with a spring, and is provided so as to be movable in the pressing direction against the force of the spring by being pressed by the other pad. On the outer side of the pad, there is provided a cutting blade extending toward the chemical fiber material to be sandwiched, along the outer peripheral edge of the pad, and one of the molds is raised or lowered to press the other mold. By doing so, the chemical fiber material is molded between both pads, and the trimming blade protrudes with the movement of the pad due to the further rising or lowering of the mold together with or thereafter, and the trimming blade causes a trimming. Chemical fiber interior material molding apparatus being characterized in that the so perform a grayed. 2. A chemical is formed by an upper mold (1) having a pad (3) elastically urged by a spring so that it can be moved up and down, and a lower mold (2) having a pad (4) fixedly mounted. A fiber material (6) is molded, and a cutting blade (7) is installed close to the upper mold (1) so that the blade projects along the outer peripheral edge of the pad (3), A pressure rod (8) which is elastically urged by a spring (9) on the outside thereof.
Is installed so that it can be lifted up and down, and a pressure rod holder (10) is provided on the outside of the pad (4) of the lower mold (2) for a blade insertion gap (11).
The interior of the chemical fiber is characterized in that the chemical fiber material (6) can be molded and cooled by the primary press pressure and trimming can be performed by the secondary press pressure at the same time. Material forming equipment. 3. The chemical fiber interior material molding apparatus according to claim 1 or 2, wherein the blade of the scraping blade (7) is formed in a tooth shape.