JP2556750B2 - Thin film sticking device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention is to adhere a thin film made of cloth or the like to a grooved molded body such as a door trim of an automobile and to form a peripheral edge portion of the thin film into a groove of the molded body. The present invention relates to a thin film sticking device to be inserted into a sheet.

(Prior art and problems) In recent years, in the interior parts for automobiles, building components for makeup, exterior parts of household electric appliances, etc., cloth, or a thin film material such as a plastic sheet is attached to a molded body to partially form a material, It is becoming common to see various ways to make the appearance gorgeous by using different colors and patterns.

In addition, various measures have been taken to improve the appearance of the peripheral edge of the thin film material.The most visible configuration among them is to form a groove in the portion of the molded body where the peripheral edge of the thin film is located. It is provided and the peripheral edge of the thin film is inserted into this groove.

With such a structure, the peripheral edge of the thin film is hidden in the groove, and the connecting portion between the molded body and the thin film is finished in a very clean line, and the appearance is further improved.

However, in realizing such a configuration, there is no suitable device, and the peripheral end of the thin film is manually inserted into the groove of the molded body, which is a troublesome work.

(Aim) The present invention has been made in view of the above problems, and provides a device for adhering a thin film to a molded body and automatically inserting a peripheral end portion of the thin film into a groove of the molded body. It is intended.

(Example) Hereinafter, an example of the present invention will be described in detail with reference to the drawings.

First, the structure thereof will be described with reference to FIG. 1. A molded body (W) in which an annular groove (U) is formed on the lower surface of an upper mold mounting plate (1) which is mounted on a press machine (not shown) and can be raised and lowered. An upper mold (2) having a mold surface almost the same as the back surface shape and having a recess (2A) formed at a position corresponding to a mounting hole (H) provided in advance in the molded body (W) is mounted.

Below the upper die mounting plate (1), a lower die mounting plate (3) attached to a press machine (not shown) is provided, and the annular groove is provided at the center of the lower die mounting plate (3). A fixing plate (4) having an outer peripheral edge shape substantially the same as the inner peripheral edge shape of (U) is positioned corresponding to the inside of the groove formed in the upper mold (2) through the support frames (5) and (5). It is fixedly supported.

A lower inner mold (6) having a mold surface corresponding to the inner shape of the groove forming portion of the upper mold (2) is provided on the fixed plate (4) through a plurality of coil springs (7) (7). The lower inner mold (6) is elastically supported, and a guide pin (6A) is provided upright on the lower inner mold (6) corresponding to the recess (2A) of the upper mold (2). The lower inner mold (6) is attached to the lower surface of the lower inner mold (6), and the lateral movement of the lower inner mold (6) is restricted by a guide pin (8) penetrating the fixing plate (4) so as to be vertically movable. It is designed to move up and down.

Further, an insertion blade (9) corresponding to the uneven shape of the groove formed in the upper die (2) is provided upright on the peripheral portion of the fixed plate (4). The insert blade (9) is always provided so as to be positioned slightly below the surface of the lower inner mold (6). Further, on the outside of the lower inner mold (6), a perforated lower outer mold (10) having substantially the same mold surface as the outer mold surface of the groove formed in the upper mold (2) is provided as a movable plate (11). ) And a plurality of coil springs (12) (12) through the lower inner mold (6)
And is elastically supported on the lower die mounting plate (3) with a slight gap between the lower outer die (10) and the lower inner die (6), which is always projected slightly above the surface of the lower inner die (6). Has been done. The lower outer mold (10) as well as the lower inner mold (6) is guided by the guide pin (13) to ascend and descend so as to prevent lateral sway.

Further, in the figure, (14) and (14) are lower die mounting plates (3).
The guide pins (15) and (15) provided on the guide cylinder are attached to the upper die mounting plate (1), and the upper die (2) and the lower die (6) (10) are fitted by fitting them. It is designed to perform mold matching and positioning. Further, (S) is a thin film made of cloth, and through holes (R) corresponding to the mounting holes (H) of the molded body (W) are opened.

In the state shown in FIG. 1, the thus-constructed product is cut into a desired shape in advance and the molded body (W) is formed.
The thin film (S) having the through hole (R) corresponding to the mounting hole (H) of FIG. And place the lower inner mold (6) at a predetermined position. At this time, since the thin film (S) is placed on the lower inner mold (6) by inserting the through holes (R) into the plurality of guide pins (6A), the positioning is accurately performed.

Next, the molded body (W) having the groove (U) formed on the peripheral portion of the portion to which the thin film (S) is to be attached is provided with the groove (U) facing downward on the upper part of the lower outer mold (10) and the mounting hole. (H) guide pin (6
Place according to A). At this time, an adhesive is applied to the portion to which the thin film (S) is attached and the groove (U) portion, if necessary.

Next, a press machine (not shown) is operated to lower the upper die mounting plate (1). By this lowering operation, first, the upper die (2) sandwiches the compact (W) with the lower outer die (10), and the compact (W) is brought into close contact with the lower surface of the upper die (2).
If the lower outer die (10) is further lowered in this state, the lower outer die (10) is lowered against the coil springs (12) and (12) so that the thin film (S) is brought into close contact with the lower surface of the compact (W) and the guide pin (6A). ) Is inserted into the mounting hole (H) and the recess (2A), and the upper die (2) and the lower dies (6) and (10) form a compact (W) and a thin film (S).
It will be in a state where it is sandwiched. At this time, the thin film (S) and the molded body (W) are prevented from being displaced by the guide pin (6A).

If the lower outer die (10) and the lower inner die (6) are simultaneously lowered in this state, the coil springs (12) (12) (7)
As it is lowered against (7), the peripheral edge of the thin film (S) is moved into the groove (U) of the molded body (W) by the insertion blade (9).
It is inserted as shown in Figure (a) and the descent is stopped.

This state is continued for a predetermined time, and when the adherence of the thin film (W) and the thin film becomes sufficient, the press machine (not shown) operates in reverse. By this operation, the thin film (S) is attached to the molded body (W) and the peripheral end of the thin film (S) is inserted in the groove (U) portion (see FIG. 2B). Becomes the outer type (1
0) Placed on top. (Fig. 1) This is manually removed and the same operation as described above is repeated.

Next, another embodiment will be described with reference to FIG.
In the embodiment shown in the figure, the guide pin (6A) of the lower inner mold (6) in FIG. 1 is elastically supported through a coil spring (6B), and the mounting hole (H) is previously formed in the molded body (W). It is designed to be able to deal with cases where it cannot be provided. In this case, the recess (2A) of the upper mold (2) does not need to be bored, and the guide pin (6A) does not resist the coil spring (6B) when the upper mold (2) and the lower molds (6) (10) are matched. Then, it is lowered and only the displacement of the thin film (S) is prevented.

(Effect) As apparent from the above description, the present invention has a structure in which an upper die having an annular groove is formed, an elastically supported lower inner die with a guide pin, a lower outer die, and an insert blade are skillfully combined. Therefore, the thin film can be accurately attached to the molded body without causing positional displacement, and the peripheral edge portion of the thin film can be automatically inserted into the groove of the molded body. It is very large.

[Brief description of drawings]

FIG. 1 is a vertical sectional front view showing an embodiment of the present invention, FIG. 2 (a) is a sectional view showing a state in which a thin film peripheral end portion is inserted into a groove portion of a molded body, and FIG. FIG. 3 is a sectional front view showing another embodiment. (2): Upper mold (2A): Recess (6): Lower inner mold (6A): Guide pin (6B): Coil spring (9): Inserting blade (10): Lower outer mold (W): Molded body ( S): Thin film (U): Groove (H): Mounting hole (R): Through hole

Claims (2)

(57) [Claims] 1. A thin film (S) made of cloth or the like in a portion surrounded by the groove (U) in a molded body (W) having an annular groove (U).
Is a thin film sticking device for sticking a peripheral edge portion of the thin film (S) into the groove (U), and forming a groove corresponding to the back surface of the molded body (W) with the groove (U). An upper mold (2) having a surface is provided so as to be able to move up and down, and a lower surface having a forming surface corresponding to a surface of a portion surrounded by the groove (U) in the molded body (W) is provided below the upper mold (2). The inner mold (6) is elastically supported so that it can be pressed from above and descended, and the thin film (S) and the molded body (W) are positioned on the upper surface of the lower inner mold (6) and displacement prevention is performed. , A guide pin (6A) is provided upright, and a perforated lower outer part having a forming surface corresponding to the outer peripheral surface of the groove (U) in the molded body (W) on the outer periphery of the lower inner mold (6) The mold (10) is elastically supported so that it can be pressed down from above and descended, and is projected slightly above the surface of the lower inner mold (6). 6) is provided with a slight gap between the lower inner mold (6) and the lower outer mold (10), and has an upper surface shape corresponding to the vertical irregularities of the groove (U). A thin film sticking device characterized in that an annular insert blade (9) is fixedly arranged at a position slightly lower than the surface of the lower inner mold (6) when it is raised. 2. The guide pin (6A) is elastically supported via a coil spring (6B) and stands on the lower inner mold (6).
The thin film sticking apparatus described.