JPH04234937A - Method for forming formed article and apparatus therefor - Google Patents

Abstract

PURPOSE:To eliminate the troubles of residual scrap, etc., in a mold by pouring a fluid material into a mold, forming and solidifying the material, removing the useless material attached to the mold and taking the formed material out of the mold. CONSTITUTION:The upper part of a scraper 5 having a lower edge slidably contacting with the upper face of a lower mold is fixed to a supporting shaft 10 extended in a casing 6 covering the lower mold. An end of an arm 11 is fixed to an end of the supporting shaft and the arm is forced to rotate toward the lower mold. A guide roller 12 is attached to the other end of the arm and a means for removing useless material with air blow is attached to a side of the casing in a state directing toward the upper face of the lower mold. An exhaustion means is connected to the other side of the casing and a releasing means for the formed material is placed to the forwarding side of the casing. The useless material attached to the mold is removed by the removing means after pouring the fluid material into the mold and forming and solidifying the material and the formed material is taken out of the mold by the mold-releasing means.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and apparatus for molding Monaca skin and other molded products.

0002

[Prior art] Conventionally, regarding the extraction of this kind of product,
The product is attached to the upper mold, the upper and lower molds are opened, the product is removed from the upper mold, and the product in the lower mold is ejected by external force.

0003

[Problems to be Solved by the Invention] In the above-mentioned method, there are problems in that the product may fall and be damaged when taken out from the upper mold, and that the mold must be cleaned at another location.

[0004] Furthermore, in the method of attaching a product to the lower die and using an external force to spring it out, there are fewer problems if the product is made of a material that has sufficient strength against external forces, such as plastic. However, it could not be used in the case of brittle products such as monaka leather because there was a risk of damage. Furthermore, if the fluid material adhered to the edge of the lower mold or other areas, it could not be removed efficiently.

[0005]

[Means for Solving the Problems] However, the present invention is to open the upper mold while leaving the product in the lower mold, remove unnecessary materials attached to the upper part of the lower mold, and then take out the product by suction. Therefore, the above-mentioned conventional problems were solved.

That is, the present invention provides a molded article characterized in that a fluid material is poured into a mold, and after molding and solidification, a means for removing unnecessary materials adhering to the mold is provided, and a means for taking out the molded material is provided. This is a molding method. Further, the means for removing unnecessary materials is to remove them with a scraper, blow with pressurized air, and remove by vacuum suction. Next, the molded product removal means leaves the molded product in the lower mold and takes out the molded product by vacuum suction.

[0007] In the device of the present invention, the upper part of the scraper whose lower edge is in sliding contact with the upper surface of the lower mold is fixed to a support shaft installed in the housing, and the One end of an arm is fixed to one end of the support shaft, the arm is urged to rotate toward the lower mold side, a guide roller is attached to the other end of the arm, and the upper surface of the lower mold is attached to one side of the casing. A device for taking out a molded article, characterized in that a means for blowing off unnecessary materials is provided toward the container, an exhaust means is connected to the other side of the case, and a means for taking out the molded article is installed on the forward side of the case. be. Further, the means for blowing off unnecessary materials is a pressurized air blowing nozzle. Next, the exhaust means is an exhaust pipe connected to an exhaust pump. Furthermore, the means for taking out the molded product is to move a vacuum suction disk in and out.

As described above, according to the present invention, the mold can be cleaned and the product can be easily taken out.
It can be used not only for making Monaca skin, but also for manufacturing any molded product where materials are injected and removed after molding.

[0009]

[Operation] In this invention, the product is taken out after removing unnecessary materials attached to the lower mold, so that the adhesive force between the product and the lower mold is reduced, and the product can be taken out easily.

Furthermore, since the device of the present invention guides the scraper to the lower mold table, even if there is some error in the thickness of the lower mold table, the upper surface of the lower mold and the lower surface of the scraper can be brought into correct contact. can. Furthermore, since the arm is urged to rotate toward the lower mold side, the guide roller can be brought into contact with the lower mold table at all times.

[0011]

[Embodiment] An embodiment of the present invention will be explained based on the drawings.

FIGS. 1 and 2 show an example of a Monaca skin baking apparatus. That is, a conveying device 2 for conveying a mold 1 of Monaca skin in an annular shape is installed vertically and horizontally, and endlessly so as to change directions at both left and right ends. In FIGS. 1 and 2, when a mold 1 consisting of an upper mold 1a and a lower mold 1b moves from the left side as indicated by arrow 3, the upper mold 1a is removed first, and then the scraper 5 is installed. A box 6 for removing unnecessary items is installed. A brush 7 for blocking the outside world is installed around the lower edge of the casing 6, and an exhaust pipe 8 is connected to the upper part.
A pressurized air nozzle 9 is installed inside one side facing the lower mold surface. Further, a support shaft 10 is rotatably installed on both front and rear side walls (FIG. 1) of the case 6, the base end of an arm 11 is fixed to the shaft end of the support shaft 10, and a guide roller is attached to the tip of the arm 11. 12, the guide roller 12 is brought into contact with the mold platen 13 (lower mold table) of the mold 1 at an angle (FIG. 3).

At a predetermined interval on the forward side of the case 6, a suction plate 15 for taking out the Monaca skin 4 is removably installed. The suction plates 15 are attached to the end of the rod 16 in the same number as the number of parallel molds, and can move forward (in the direction of arrow 17 in FIG. 2), descend (in the direction of arrow 18 in FIG. 1), and rise (in FIG.
19) and backward movement (arrow 20 in FIG. 2). Next, with respect to the suction plate 15, the forward side of the mold (arrow 14
), material pouring nozzles 21 are installed in accordance with the number of molds arranged in parallel. In the figure, 22 is a firing kiln, and 23 is a material tank. Next, the operation of the above embodiment will be explained.

First, when the mold 1 reaches the upper left end in FIG. 1 by the transport device 2 (for example, the mold board 13 is connected with a link piece or the like), the upper mold 1a is removed and the other transport system 2
5 lifts it up as shown by arrow 24. On the other hand, the lower mold moves forward in the direction of arrow 3 with the Monaca skin inside, and when it reaches the lower part of the casing 6, the lower end surface of the scraper 5 installed inside the casing 6 touches the upper edge of the lower mold 1b. 28 to peel off the Monaca skin material attached to the area. On the other hand, nozzle 9
By pressurized air blown out as shown by arrow 26,
The scraps removed by the scraper 5 are blown away and discharged through the exhaust pipe 8 as shown by the arrow 27. On the other hand, when the lower mold 1b with the debris blown away comes to the next position, the rod 16 is pushed out in the direction of arrow 17, the suction plate 15 fixed to the rod 16 is also pushed out in the same direction, and moved onto the lower mold 1b. opposite. Therefore, when the suction plate 15 is lowered as shown by the arrow 18 and comes into contact with the lower mold 1b, and the inner surface of the suction plate 15 is depressurized via the rod 16, the Monaca skin 4 inside the lower mold 1b is brought into contact with the suction plate 15. It is adsorbed. Therefore, if the suction plate 15 is raised as shown by the arrow 19, then retreated as shown by the arrow 20, and the inside of the suction plate is returned to normal pressure when it reaches the top of the conveyor 29, the monaka skin will automatically be transferred to the conveyor. 29 (or apply some pressure and let the monaka skin fall).

Next, an appropriate amount of monaka skin material is injected into the lower mold 1b from the nozzle 21, and the upper mold 1a is covered with the upper mold 1a, and the fired material is placed in the firing kiln 22 as shown by the arrow 30 to be fired. ,
32, and repeat the above operation.

As mentioned above, the guide roller 1 of the arm 11
2 onto the mold board 13, the scraper 5
The lower end portion and the upper edge of the lower die 1b can be brought into secure sliding contact. Of course, the spring 33 keeps the scraper 5 in constant contact with the upper edge of the lower die 1b.

[0017]

Effects of the Invention: This invention removes unnecessary material from the upper edge of the lower mold with a scraper, then removes it by suction, removes the Monaca skin from inside the lower mold, and removes the Monaca skin by vacuum suction. Since the material is removed, its outer shape is molded, and there is no risk of debris remaining and the material can be removed reliably. In addition, since the scraper can be corrected to a substantially fixed position by the guide roller, there is no risk of the lower end of the scraper separating from the lower mold, and the pressure is approximately equal (
For example, by means of a spring), this has the effect of making it possible to reliably remove debris.

[Brief explanation of the drawing]

[Fig. 1] A partially omitted front view of an embodiment of the present invention.

[Fig. 2] Plan view of this invention

[Fig. 3] Enlarged front view with a part cut away of the casing of the present invention

[
FIG. 4: Enlarged plan view of this invention

[Fig. 5] Enlarged bottom perspective view of the upper die of the present invention

[Fig. 6] An enlarged perspective view of the lower die of this invention

[Explanation of symbols]

1 Molding mold 2 Conveyance device 4 Monaca skin 5 Scrapper 6. Box body 7 Brush 8 Exhaust pipe 9 Pressurized air nozzle 10 Support shaft 11 Arm 12 Guide roller 13 Mold board 15 Adsorption plate 16 Rod 21 Material pouring nozzle 22　Firing kiln 23 Material tank 25 Upper edge

Claims (1)

[Scope of Claims] [Claim 1] After pouring a fluid material into a mold and solidifying it, after providing a means for removing unnecessary materials attached to the mold,
A method for molding a molded product, characterized in that a means for removing the molded product is provided.Claim 2: The means for removing unnecessary materials is to remove them with a scraper, blow with pressurized air, and remove by vacuum suction. 3. The method for molding a molded article according to claim 1.Claim 3: The method for molding a molded article according to claim 1, wherein the means for taking out the molded article leaves the molded article in the lower mold and takes out the molded article by vacuum suction. Method for molding a molded article [Claim 4]
] The upper part of the scraper, whose lower edge is in sliding contact with the upper surface of the lower mold, is fixed to a support shaft installed in the case into a case shaped to cover the lower mold, and an arm is attached to one end of the support shaft. One end is fixed, the arm is biased to rotate toward the lower mold side, a guide roller is attached to the other end of the arm, and waste material is blown away from one side of the box toward the upper surface of the lower mold. 5. An apparatus for molding a molded product, characterized in that the device is provided with a means, an exhaust means is connected to the other side of the case, and a means for taking out the molded product is installed on the advancing side of the case. 4. The apparatus for molding a molded product according to claim 4, wherein the blowing means is a pressurized air blowing nozzle. 6. The molding device according to claim 4, wherein the exhaust means is an exhaust pipe connected to an exhaust pump. Apparatus [Claim 7] The apparatus for molding a molded article according to claim 4, wherein the means for taking out the molded article is a vacuum suction plate that moves in and out.