KR19990022172U - Molding and its products for wire type basket - Google Patents

Abstract

end. The technical field to which the invention described in the claims belongs.

The present invention relates to being used as a drawer-type basket that slides while being attached or detached to the bottom of a furniture. In the related art, a mold and a basket to be formed by welding or the like using a metal wire can be easily molded into plastic. It is about.

I. The technical problem the invention is trying to solve.

Currently, drawer-type baskets made of metal wires are mainly mounted on the bottom of furniture in one or multiple stages to slide and store various items.

Therefore, for the fabrication of such a basket, since the body is made by crossing the wires with each other, and the upper edge is manufactured by welding, it becomes a factor of the cost increase of the product due to the difficulty of manufacturing, and the wire is mainly made of metal Since the coating means is applied to the wire to prevent corrosion, the coating is to be peeled off by an external force, there was a problem that the damage to the stored article occurs.

Therefore, such a basket can be manufactured by injection molding using plastic, but when the injection molding is to be formed by the engagement of the upper and lower molds, and the omission, when manufacturing a shape such as a circular wire formed in four orthogonal directions. Since the slide core should be used as the part orthogonal to the direction in which the mold is engaged and pulled out, productivity has not been produced due to the large size of the mold and the prolonged molding time, resulting in poor economic efficiency with conventional metal baskets.

All. The gist of the solution of the invention.

By using a simple mold without using a slide mold to improve the productivity as well as the basket can be manufactured in the same shape as the wire.

la. Important uses of the devise

Wire basket making mold

Description

Molds and moldings for forming wire-type drawer baskets {Molding and its products for wire type basket}

The present invention relates to a basket and a mold for molding a drawer basket made of metal wire coated or painted with plastic to prevent corrosion.

Currently, drawer-type baskets made of metal wires are mainly mounted on the bottom of furniture to slide like drawers to store various items.

Therefore, in order to manufacture such a basket, since the metal wires are made to cross each other, it is a factor of the increase in the cost of the product due to the enlargement and automation of the device, and since these wires are mainly made of metal, The use of plastic coated on the wire or plated or painted to prevent corrosion, and such a coating is easily peeled off by external force.

Therefore, this basket can be used by injection molding using plastic, but the injection molding cannot be manufactured in a circular shape such as wire at the time of operation of the mold, and even if it is possible, the basket must be manufactured as a slide mold, so that the mold is enlarged and the molding thereof. The prolongation of time prevented production from falling from conventional baskets and economics.

The reason for this is that the mold is made of male and female to be inserted and removed, so that the core plate and the cavity plate are closed while passing through the sprue through the cavity plate in which the cavity is formed. After the molding, the molten resin injected into the cavity is solidified by the cooling line formed inside the core plate or the cavity plate, and after a predetermined time, the mold is opened, and the molded injection molded product is placed on the core plate side by the sprue puller. After that, the ejected material is released by the ejector pin of the core plate.

After that, the detached molding is obtained by cutting only the gate to obtain a molding to be molded.

Therefore, when the core plate and the cavity plate is closed or opened, the mold does not open when there is a jaw in the part orthogonal to the opening or closing direction.

Therefore, in this case, in order to open the mold, the slide core must be formed, and the slide core must be operated after the mold is opened first. Therefore, the manufacturing cost increases and the molding time of the product increases. It was.

The present invention has been made to solve the above-mentioned problems, the object of the present invention is to produce a plastic basket that slides in the same shape as the wire as well as the productivity by allowing the production of a simple mold without using a slide mold. I would have to.

1 is an exploded perspective view showing a mold structure of the present invention.

Figure 2 is a cross-sectional view of the assembled state of the present invention.

3 is a perspective view showing a recess of the cavity plate;

Figure 4 is an enlarged perspective view showing the coupling configuration of the core plate.

Figure 5 is an enlarged perspective view of the "ga" of Figure 3;

Figure 6 is an enlarged perspective view of the "I" portion of FIG.

7 is a cross-sectional view taken along the line A-A of FIG.

8 is a cross-sectional view taken along the line B-B in FIG.

9 is a perspective view showing the appearance of the molding.

10 is a longitudinal sectional view of the molding.

Fig. 11 is a sectional view of an inner space in which a mold is closed;

Explanation of symbols on the main parts of the drawing

1: core plate 2: cavity plate

3: ejector pin 4: inner space

5: recessed groove 6: fixed plate

7: edges 8: frame

9: 10:

11: 12:

Hereinafter, with reference to the accompanying drawings will be described in detail the most preferred embodiment of the present invention. First, in describing the drawings, the well-known parts have the same reference numerals, and the same components have the same reference numerals.

As shown in FIG. 1 to FIG. 7, in the configuration of the present invention, the cavity plate 2 by the auxiliary plate 100 and the core plate 1 by the auxiliary plate 100a are opened by the guide pin 101. In the well-known mold structure in which the closing and closing are repeated, and the ejector pin 102 is allowed to enter and exit the core plate 1, the molded object 103 formed in the protrusion part of the core plate 1 is removed. A semicircular cavity 1a is formed on the side and bottom surface of the core plate 1 so that a basket having a circular flesh can be formed orthogonally, and this cavity 1a is formed on the protrusion 11 of the core plate 1. The semicircular cavity 2b is formed in the concave part 21 of the cavity plate 2 into which the protrusion 11 of the core plate 1 enters and exits in the same line as the operation direction of the mold. A semicircular cavity 2a orthogonal to the bottom surface is formed so that the semicircular cavities 1a, 2a and 2b abut each other while being in a circular shape. The inner space 4 is formed and the circular inner space 4 is formed at the protrusion 11 of the core plate 1 as a part where the nozzle of the cavity plate 2 into which the molten resin flows is formed. The recess 5 is to be formed to a depth.

Therefore, when molten resin is injected through the nozzle 104 of the cavity plate 2 while the mold is closed, the molten resin is caused by the recessed grooves 5 of the core plate 1 and the cavity plate 1 and the cavity. Due to the abutment of the plate 2, the semi-circular cavities 1a, 1b, 2a, 2b are simultaneously spread to the inner space 4 in which they are formed, and thus the injection speed is the same and the pressure can be lowered.

In this case, when the mold is opened after the injection is completed, the semicircular cavity 2b is formed on the side of the cavity plate 2 only in the operation direction when the mold is opened and closed, as shown in FIG. 10. The inside of the basket is formed to form a semi-circular flesh while on the outside to maintain a flat state.

At this time, the molded resin is automatically attached to the core plate 1 by the horizontal cavity 1b of the core plate 1 in which the semicircular cavity is formed, and is attached to the ejector pin 102 to remove the basket. It is to be struck from the inner side of the basket using the fixed plate (6) is to hit the frame (8) of the basket.

Therefore, when the fixed plate (6) hits the frame (8) of the basket, since the edge meat (7) of the basket is inclined, since the force is received vertically and is inclined, the deformation of the basket (7) is caused. In order to prevent this, the portion where the edges 7 extend from the frame 8 becomes thinner in a state where the thickness of the flesh is thicker or only thickens the thickness of the flesh with only the portion that extends. will be.

Thus, the mutually orthogonal flesh can be manufactured without forming a slide mold by forming a cavity in the core plate and the cavity plate, respectively. It is possible to make it so that it is also visually seen as circular flesh because the angle at which the basket is visible is concentrated inward.

As described above, the mold of the present invention is designed to be a simple mold without using orthogonal circular flesh slide cores, thereby providing a drawer basket having excellent appearance as well as a reduction in manufacturing cost.

Claims (4)

The cavity plate 2 by the auxiliary plate 100 and the core plate 1 by the auxiliary plate 100a are repeatedly opened and closed by the guide pin 101, and the ejector pins 102 are the core plate 1. In the well-known mold structure which removes the molded object 103 formed in the protrusion part of the core board 1 while entering and exiting from the protrusion part of the core plate 1, the orthogonal semicircle cavity 1a is projected by the protrusion part 11 of the core board 1. The semicircular cavity 2b is formed on the concave inlet 21 of the cavity plate 2 into which the protrusion 11 enters. A drawer basket mold, characterized in that forming a semicircular cavity (2a) orthogonal to the surface so that the semicircular cavities (1a, 2a, 2b) abut each other while forming a circular inner space (4) 2. The recessed groove (5) according to claim 1, wherein the molten resin having a flow into the orthogonal circular inner space (4) contacts the protrusion of the core plate at which the nozzle of the cavity plate (2) comes into contact with the portion where the nozzle is formed. This drawer basket mold is formed. The method according to claim 1, wherein when the frame 6 of the basket is inclined when hitting the frame of the basket, the force received when the fixed plate 6 hits the frame of the basket is not vertically received but is inclined. Drawer basket mold, characterized in that the thickness of the flesh is formed in the thick portion of the edge portion extending from the frame portion in order to prevent the deformation of the edge of the basket (7). Drawer basket characterized in that the shape of the basket is formed in a circular shape to the side horizontally.