JP2002103391A - Mold and method for molding holder for cooking, and holder for cooking - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mold for molding a holder for cooking, or the like, which brings about no gap in connecting portions of the base parts of holding members made of metal and a handle part made of synthetic resin, nor an impression of an ejector pin to be made in mold release. SOLUTION: The mold for molding the holder for cooking is designed for forming the handle part 2 of synthetic resin, by injection molding, on the base parts 1b of the holding members 1 of metal having groove-like recesses inside and provided in juxtaposition. It is equipped with a mold main body 3 composed of a fixed half 3a wherein a space part 5 is formed in matching and of a movable half 3b being movable forward and backward in the direction of the fixed half 3a, and with a second movable half 4 which is located between the fixed half 3a and the movable half 3b and disposed between the base parts 1b of the two holding members 1, which is so formed that it can hold the prescribed positions of the base parts 1b between the wall surface of the space part 5 in the mold main body 3 and it, and which is movable forward and backward in the direction of the forward-backward motion of the movable half 3b, with the opposite sides thereof brought into contact internally with the groove-like recesses.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mold for forming a holding tool for cooking, a method for forming a holding tool for cooking, and a holding tool for cooking.

[0002]

2. Description of the Related Art FIG. 10 is a plan view of a conventional cooking holding apparatus, and FIG. 11 is a sectional view taken along line CC of FIG. As shown in these figures, a conventional clamping device for cooking in which a synthetic resin handle portion 2 is formed by injection molding on bases 1b, 1b of metal clamping members 1, 1 of a conventional clamping device for cooking, is shown in FIG.
In order to increase the strength of b and 1b, there has been one in which a longitudinal groove-shaped concave portion facing the inside is formed. A metal holding member 1 having a longitudinal groove-shaped concave portion facing the inside,
1. A synthetic resin handle 2 injection-molded on the bases 1b, 1b
Is separately formed with a synthetic resin handle portion 2 having a hole 101 for fitting the base portions 1b, 1b of the metal holding members 1, 1, and the hole 101 of the handle portion 2 is heated. The bases 1b, 1b of the metal holding members 1, 1 are press-fitted and the holes 10
The bases 1b, 1b of the metal holding members 1, 1 are fixed to the handle 2 made of synthetic resin by dissolving a part of the resin on the inner wall surface of the metal holder 1. As a result, a gap 102 was formed around the inner surface of the bases 1b, 1b of the metal holding members 1, 1 and the inner wall surface of the hole 101 of the handle 2 made of synthetic resin.

[0003] The base 1 of the metal holding members 1, 1.
There is also known a manufacturing method for forming a synthetic resin handle portion 2 by injection molding on b and 1b. FIG. 12 is a plan view illustrating this manufacturing method. This manufacturing method comprises a fixed mold and a movable mold in which a space for accommodating the distal end portions of the base portions 1b and 1b of the metal holding members 1 and 1 and the handle portions 2 and 2 made of synthetic resin are formed. A second movable mold (piece) 103 for holding the bases 1b, 1b of the metal holding members 1, 1 in the space is used. The distal ends of the bases 1b, 1b are inserted into the space formed by the fixed mold and the movable mold, and are inserted into the second movable mold 103, the fixed mold and the movable mold.
The resin is sandwiched between two molds, and a molten resin is injected into the formed space at a high pressure to form the handle 2 made of synthetic resin. Then, the tip portions of the base portions 1b, 1b of the metal holding members 1, 1 are molded into the synthetic resin handle 2 in a state of being embedded therein. After the molding, the second movable mold 103 is released by moving in the longitudinal direction of the metal holding member 1.

[0004] The metal holding member 1, 1 of the cooking holding tool
11 and 12, when the cooking tool having the synthetic resin handle 2 formed on the bases 1b and 1b by injection molding is removed from the fixed mold and the movable mold, that is, when the mold is released. Alternatively, points P and P in FIG. 12 are protruded and pressed with pins. Therefore, at the point O or at the points P and P, a pressing mark pressed by the protruding pin was formed.

[0005]

The former gap 102 is
It is a nest of pathogenic bacteria that cause food poisoning, and the latter pressing mark at point O or P reduces the commercial value, so research has been continued for many years to eliminate both these gaps and pressing marks. Have been. An object of the present invention is to provide a mold, a method for forming a holding tool for cooking, and a holding tool for cooking, which eliminate the above-mentioned gaps that cause food poisoning and have no pressing marks that reduce the commercial value. It is an object.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, a mold for forming a holding tool for cooking according to the present invention comprises a metal holding member having a longitudinal groove-shaped recess facing inward. A mold for forming a holding tool for cooking which forms a handle made of synthetic resin by injection molding on a base portion, and when combined, a space capable of accommodating part or all of a metal holding member and a handle made of synthetic resin. Is formed between the fixed mold and the movable mold, and between the bases of the two metal holding members. The base of the metal holding member is formed so as to be able to hold a predetermined position between the metal holding member and the wall surface of the space in the mold body, and both sides are inscribed in the groove-shaped concave portions of both metal holding members. A second movable mold that can move forward and backward in the forward and backward movement directions of the mold.

[0007] A method for forming a holding tool for cooking according to the present invention is a method for forming a holding tool for cooking using the holding tool forming mold for cooking, wherein the fixed mold and the movable mold are arranged at an interval.
Locking a predetermined position of the base of both metal holding members in a gap on both sides of the contacted moving mold and the second moving mold;
A step of moving the contacted moving mold and the second moving mold in the direction of the fixed mold to bring them into close contact with each other, and forming the fixed mold, the moving mold and the second moving mold in close contact with each other. In a state in which the metal holding member is fixed between both sides of the second movable mold included in the space part and the wall part of the space part of the movable mold, the composition is heated and melted in the space part in the mold body. A step of injecting the resin and then cooling; a step of separating the movable mold and the second movable mold from the fixed mold; and a step of forming a synthetic resin handle from the second movable mold by using a metal holding member. And a step of removing a cooking holding tool formed at an end of the cooking tool.

[0008] The cooking clamp of the present invention is characterized in that a synthetic resin handle portion is formed tightly around the outer periphery of the base of the metal clamping member without gaps by the above-described cooking clamp molding method. Furthermore, a structure can be provided in which the surface of the handle portion made of synthetic resin has no pressing mark due to the projecting pin.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a plan view showing a state in which the holding device for cooking according to the present invention is attached to both sides of a second movable mold. FIG. 2 is a vertical cross-sectional view taken along the line AA of FIG. 1 in a state where the second movable mold 4 and the movable mold 3b are in contact with each other and arranged at an interval from the fixed mold 3a. FIG. 3 is a second view of FIG.
FIG. 2 is a vertical sectional view taken along the line AA of FIG. 1, showing a state where a predetermined position of a base of the metal holding member 1 is held in a gap between both sides of the movable mold 4 and an inner wall of a concave portion of the fixed mold 3a. is there. FIG.
FIG. 4 is a vertical cross-sectional view taken along line AA of FIG. 1 in a state where a movable mold 3b, a fixed mold 3a, and a second movable mold 4 of FIG. FIG. 5 is a vertical cross-sectional view taken along the line BB of FIG. 1 in a state in which the synthetic resin heated and melted is injected into the internal space in the state of FIG. FIG. 6 is a diagram showing a state in which the movable mold 3b and the second movable mold 4 are slightly separated from each other, and the movable mold 3b and the second movable mold 4 are separated from the fixed mold 3a. It is a cutting | disconnection longitudinal cross-sectional view. FIG. 7 is an exploded perspective view showing a state where a predetermined position of the base 1b of the metal holding member 1 is mounted on the second movable mold 4. FIG. 8 is a perspective view of another shape of the second movable mold 4. FIG. 9 is a perspective view of another shape of the second movable mold 4.

A description will be given with reference to FIGS. First, the metal holding members 1 and 1 are formed. The metal holding members 1, 1 are formed as a pair, and the tip portions 1a, 1
“a” has a shape that can hold various cooking materials, cooked foods, and the like, and has a different shape depending on the application. Base 1
Each of b and 1b is formed in a plate shape, and is bent in order to increase the strength, and a longitudinal groove-shaped concave portion is formed on the inside facing each other. The cross-sectional shape of the groove-shaped concave portion includes an arc shape (), a trapezoidal shape [] or a [] shape.

The bases 1b, 1 of the metal holding members 1, 1
The synthetic resin handle 2 is integrally formed on the part b by injection molding. The handle 2 made of a synthetic resin is formed in a U-shaped or V-shaped or a deformed shape thereof, and has elasticity so that various cooking materials and foods can be held between the tips 1a. In order to injection-mold a synthetic resin handle 2 such as a U-shape or a V-shape, a fixed mold 3 is used.
mold body 3 and fixed mold 3 comprising a
A second movable mold 4 composed of a piece disposed between the moving mold 3a and the movable mold 3b is formed. When the fixed mold 3a and the movable mold 3b are combined, the space 5 in which the metal holding members 1, 1 and the synthetic resin handle 2 and the second movable mold 4 are stored.
(5a, 5b) are formed.

The both sides of the second movable mold 4 are formed so as to fit into the groove-shaped concave portions of the bases 1b, 1b of the metal holding members 1, 1. The second movable mold 4 is formed so as to be able to advance and retreat in the direction of the fixed mold 3a by the advance and retreat of the advance and retreat pin 6 provided in the mold for molding the holding tool for cooking. The reciprocating pin 6 penetrates through the second movable die 4 and is attached to the second movable die 4 by screwing cap bolts 6a, 6a to the ends. Any means may be used as long as it can be moved forward and backward by the forward and backward pins 6.

[0013] The cooking-molding tool forming die having the above-described structure operates as follows. As shown in FIG. 2, the mold body 3 composed of the fixed mold 3a and the movable mold 3b is arranged at an interval. When the second movable mold 4 is placed in contact with the movable mold 3b between the fixed mold 3a and the movable mold 3b,
The inner wall of the space 5b on the side of the movable mold 3b and the second movable mold 4
Gaps are formed on both sides of the. The bases 1b, 1b of the metal holding members 1, 1 are inserted into the gaps to lock predetermined positions of the bases 1b, 1b (FIG. 3).

Next, the second movable mold 4 is brought into close contact with the fixed mold 3a by the advancement of the advance / retreat pin 6, and the movable mold 3b is moved by the operation of the injection molding machine main body (not shown). When they are brought into close contact with each other, the bases 1b of the metal holding members 1, 1
1b is sandwiched and fixed between the side wall of the space 5 formed inside the mold body 3 and both sides of the second movable mold 4 (FIG. 4).

When the synthetic resin heated and melted in the above state is injected into the space 5 of the mold body 3 and cooled, the synthetic resin handle 2 is attached to the bases 1b, 1b of the metal holding members 1, 1. Formed (FIG. 5).

In this state, the movable mold 3 is moved by operating the main body of the injection molding machine (not shown) while moving the reciprocating pins 6 and 6.
b is separated from the fixed mold 3a. The second moving mold 4 is
Moving away from the fixed mold 3a together with the movable mold 3b,
The second movable mold 4 is separated from the movable mold 3b by projecting the reciprocating pins 6,6. As described above, the fixed mold 3a, the movable mold 3b, and the second movable mold 4 are separated from each other as shown in FIG. 6, and are combined with the bases 1b, 1b of the metal holding members 1, 1. The holding tool for cooking on which the resin handle 2 is formed can be taken out. At this time,
Since the second movable mold 4 advances and retreats in the same direction as the movable mold 3b, it is possible to easily take out the molded product without any protruding pins.

The both sides 4 of the second movable mold 4 described above.
7, a and 4a have a shape protruding in an arc shape as shown in FIG. 7, but as shown in FIG. Plate-like projections 4b, 4
b, and plate-like projections 4c, 4c can be projected below the both sides of the second movable mold 4. As shown in FIG. 9, instead of the arc-shaped projections 4a, 4a, plate-shaped projections 4b, 4b having arc-shaped tips are attached to the second movable mold 4.
May be provided at the front and rear ends of both sides.

The shape of the both sides 4a, 4a of the second movable mold 4 is formed so as to fit into the groove-shaped recess in the longitudinal direction of the bases 1b, 1b of the metal holding members 1, 1. Bacteria causing food poisoning easily propagate between the outer periphery of the bases 1b, 1b of the holding members 1, 1 and the synthetic resin handle 2 formed on the bases 1b, 1b of the metal holding members 1, 1. As long as there is no gap, any shape of protrusion may be used.

The bases 1b, 1 of the metal holding members 1, 1
Although the cross section b is illustrated and described as an arc-shaped cross section, the bases 1b, 1b of the metal holding members 1, 1 bent into a cross section of [] or [] as described above. Any shape may be used as long as the bases 1b and 1b have longitudinal groove-shaped concave portions formed on the inside facing each other to increase the strength.

In the mold for forming a holding tool for cooking having the above-described structure, a second movable mold 4 is provided, and both sides of the second movable mold 4 are provided with bases 1b, 1b of metal holding members 1, 1. The inner wall surface of the space portion 5 of the mold body 3 is formed by fitting the fixed mold 3a of the mold body 3 and the movable mold 3b together. And the bases 1b of the metal holding members 1, 1 between both sides of the second movable mold 4,
1b is clamped, the base 1 of the metal clamping members 1, 1
b, 1b and bases 1b, 1 of metal holding members 1, 1
Since there is no gap between the synthetic resin handle portions 2 formed in b, where bacteria causing food poisoning easily propagate, there is a cooking-clamp-forming mold that can produce a cooking-clamp for safe use. can get.

In the mold for forming a holding tool for cooking having the above-mentioned structure, when the holding tool for cooking in which the synthetic resin handle 2 is formed on the bases 1b and 1b of both metal holding members 1 and 1 is taken out, a synthetic tool is taken out. There is no protruding pin for pressing a part of the resin handle 2 to remove it from the fixed molds 3a, 3a. Since there is no step of pressing a part of the mold 2 and removing it from the fixed molds 3a, 3a, traces pressed by the protruding pins are formed everywhere on the synthetic resin handle portion 2 of the formed holding tool for cooking. As a result, a mold for forming a holding tool for cooking which has a very clean synthetic resin handle portion 2 and has a high commercial value can be obtained.

In the method for forming a holding tool for cooking using the holding tool forming tool for cooking as described above, the fixed tool 3a and the moving tool 3b are arranged at an interval, and the abutting moving tool 3b. Locking predetermined positions of the bases 1b, 1b of both metal holding members 1, 1 in gaps on both sides of the second moving mold 4 and the moving mold 3b and the second moving. A step of moving the mold 4 in the direction of the fixed mold 3a so as to be in close contact therewith; and a step 5 (5a, 5a) formed in a state where the fixed mold 3a is in close contact with the movable mold 3b and the second movable mold 4. 5b), the predetermined positions of the bases 1b, 1b of the metal holding members 1, 1 are fixed to both sides of the second movable mold 4 included in the movable mold 3 and the wall surface of the movable mold 3b. A step of injecting the heated and melted synthetic resin into the space portion 5 and then cooling the same; b and the step of separating the second movable mold 4 from the second movable mold 4, and the cooking in which the synthetic resin handle 2 is formed at the ends of the metal holding members 1, that is, the bases 1 b, 1 b. And a step of removing the holding member for use. The outer periphery of the bases 1b, 1b of the metal holding members 1, 1 and the bases 1b, 1b of the metal holding members 1, 1 are made of synthetic resin injection-molded. Since there is no gap between the handle portions 2 in which bacteria causing food poisoning can easily propagate, it is possible to manufacture a cooking holding tool that can be used with confidence.

Further, the synthetic resin handle 2 of the formed cooking holding tool has a very clean synthetic resin handle 2 since no trace of pressing by the protruding pin remains in any place. It is possible to manufacture a high-product-value cooking clip.

As a result, food poisoning is caused between the outer periphery of the metal holding members 1, 1 and the synthetic resin handle 2 injection-molded on the bases 1b, 1b of the metal holding members 1, 1. Since there is no gap in which bacteria can easily grow, a holding device for cooking that can be used safely can be obtained, and the mold body 3 and the second
The moving mold 4 is provided with advance / retreat pins 6 and 6,
The synthetic resin handle 2 is brought into contact with the synthetic resin handle 2 from the second movable mold 4, and the bases 1b, 1
Since there is no projecting pin for removing the cooking jig formed in b, there is no protruding pin on the inner and outer circumferences of the synthetic resin handle portion 2 and no trace of pressing by the pin remains. Is obtained.

[0025]

As described above, the mold for forming a holding tool for cooking, the method for forming a holding tool for cooking, and the holding tool for cooking according to the present invention have the above-described configurations, and therefore, various effects as listed below are provided. To play.

In the mold for forming a holding tool for cooking having the above-described configuration, a second moving mold is provided, and both sides of the second moving mold are
The inner wall surface of the space portion of the mold body formed when the fixed mold of the mold body and the movable mold are combined with each other so as to fit into the groove-shaped concave portion in the longitudinal direction of the base of the metal holding member. And the base of the metal holding member is held between both sides of the second moving mold, so that the outer periphery of the metal holding member and the synthetic resin handle portion injection-molded on the base of the metal holding member. Between,
Since there is no gap in which bacteria causing food poisoning can easily grow, a mold for forming a holding tool for cooking which can be used with confidence can be obtained.

[0027] When the cooking jig having the synthetic resin handle formed at the base of both metal holding members is taken out of the synthetic holding jig molding die of the above-described configuration, one of the synthetic resin handle parts is removed. There is no protruding pin that presses the part and removes it from the second movable mold, and a part of the synthetic resin handle is pressed by a part of the synthetic resin handle in the cooking clamp forming method formed by this cooking clamp forming mold. 2
Because there is no step of removing from the moving mold, no trace of the pressing made by the protruding pin is left anywhere on the synthetic resin handle of the formed cooker, so a very clean synthetic resin A mold for forming a holding tool for cooking that can produce a holding tool for cooking having a handle and high commercial value is obtained.

A step of locking the central portions of both metal holding members on both sides of the second movable mold, the step being formed by the cooking holding tool forming die having the above-described configuration; Moving the second movable mold with the base locked in the direction of the fixed mold of the mold body, and moving the movable mold of the mold body in the direction of the fixed mold of the mold body; A step of injecting the heated and melted synthetic resin in a state in which both metal holding members are fixed in a concave portion formed when the mold body and the second moving mold are joined; Separating the movable mold from the mold, and removing the second mold from the fixed mold of the mold body.
And the step of removing the holding tool for cooking in which the synthetic resin handle is formed at the end of both metal holding members from the second moving mold. ,
There is no gap between the outer periphery of the metal holding member and the synthetic resin handle formed by injection molding at the base of the metal holding portion. Tools can be manufactured.

In addition, there is no gap between the outer periphery of the metal holding member and the synthetic resin handle formed by injection molding at the base of the metal holding member, so that bacteria causing food poisoning can be easily propagated. A usable holding tool for cooking is obtained, and the mold body and the second movable mold are provided with protruding pins, but they come into contact with the synthetic resin handle and are synthesized from the second movable mold. Since there is no projecting pin for removing the holding tool for cooking formed on the base of both metal holding members, there is no trace of the synthetic resin projecting on the inner and outer periphery of the synthetic resin handle and pressed by the pin. A very beautiful cooking tool with high commercial value can be obtained.

[Brief description of the drawings]

FIG. 1 is a plan view showing a state in which a holding device for cooking according to the present invention is attached to both sides of a second movable mold.

FIG. 2 is a view showing a state in which a second movable mold according to the present invention and a movable mold are in contact with each other and are spaced apart from a fixed mold.
FIG. 3 is a vertical sectional view taken along line AA of FIG.

1. FIG. 3 is a diagram showing a state in which a predetermined position of a base of a metal holding member is held in a gap between both sides of a second moving mold in FIG. 2 and an inner wall of a recess of a fixed mold in FIG. FIG. 4 is a vertical sectional view taken along a line.

FIG. 4 is a vertical cross-sectional view taken along line AA of FIG. 1 in a state in which a movable mold, a fixed mold, and a second movable mold of FIG. 3 are in close contact with each other.

5 is a vertical cross-sectional view taken along the line BB of FIG. 1 in a state where the synthetic resin heated and melted is injected into an internal space in the state of FIG. 4;

FIG. 6 slightly separates the moving mold and the second moving mold,
FIG. 2 is a vertical sectional view taken along line AA of FIG. 1 in a state where a movable mold and a second movable mold are separated from a fixed mold.

FIG. 7 is an exploded perspective view showing a state in which a predetermined position of a base of a metal holding member is mounted on a second moving mold.

FIG. 8 is a perspective view of another shape of the second moving mold.

FIG. 9 is a perspective view of another shape of the second moving mold.

FIG. 10 is a plan view of a conventional holding device for cooking.

FIG. 11 is a sectional view taken along line CC of FIG. 10;

FIG. 12 is a plan view showing a state in which a second movable mold that can move forward and backward in the longitudinal direction is held between both metal holding members of the conventional cooking holding tool.

[Explanation of symbols]

 1 ····· Metal holding member 1a ···································································· · Mold main body 3a ····································································································· Recess 5b ··················· Protrusion pin

Claims (4)

[Claims] 1. A mold for forming a holding tool for cooking, wherein a synthetic resin handle is formed by injection molding at a base of a metal holding member provided side by side having a longitudinal groove-shaped concave portion facing the inside. A mold comprising a fixed mold in which a space portion capable of accommodating a part or all of the metal holding member and the synthetic resin handle portion is formed, and a movable mold capable of moving forward and backward in the fixed mold direction. A main body, which is disposed between the fixed mold and the movable mold and between the bases of the metal holding members, and is provided between the base of the metal holding member and a wall surface of a space in the mold body; A second movable mold that is formed so as to be able to clamp the position, is inscribed on both sides in the groove-shaped concave portions of both metal clamping members, and is capable of moving forward and backward in the moving direction of the moving mold. Characteristic mold for holding tool for cooking. 2. The method according to claim 1, wherein the fixed mold and the movable mold are arranged at an interval and are in contact with each other. Locking a predetermined position of the base of both metal holding members in a gap on both sides of the mold and the second movable mold; and fixing the contacted movable mold and the second movable mold to a fixed mold. Moving the metal mold in the direction and bringing the fixed mold into close contact with the fixed mold, the movable mold, and the second movable mold. In a state in which the metal holding member is fixed between the space wall surfaces of the mold, a step of injecting the synthetic resin that has been heated and melted into the space inside the mold body and then cooling the mold, and moving the mold from the fixed mold. And a step of separating the second movable mold, and a handle portion made of a synthetic resin from the second movable mold is a metal holding member. Cooking pincer molding method characterized in that comprises a step of removing the cooking pincer formed in the end portion. 3. A cooking tool according to claim 2, wherein a handle made of synthetic resin is formed in close contact with the outer periphery of the base of the metal holding member, and there is no gap. Jaws. 4. The holding device for cooking according to claim 3, wherein the synthetic resin handle has no protruding mark on the surface of the handle portion.