KR101938353B1 - Molding Apparatus Of Rubber Products - Google Patents

Abstract

The present invention relates to a rubber manufacturing and molding apparatus that can press a rubber raw material into a three-stage mold and mold it into a finished rubber product having a predetermined shape. The press molding die presses up and down the rubber raw material by pressing. A transfer mold formed at a lower portion of the press mold for transferring the rubber raw material downward by pressing of the press mold; And a molding die formed at a lower portion of the transfer mold for molding the rubber raw material transferred from the transfer mold.

Description

[0001] Molding Apparatus Of Rubber Products [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rubber manufacturing and molding apparatus, and more particularly, to a rubber manufacturing and molding apparatus that can press a rubber raw material into a three-stage mold so as to be molded into a finished rubber product.

The rubber product molding system is a system in which an injection machine for pseudo-rubber products and a press machine for the complete molding of a pseudo-rubber product are systemized as a single device. In view of the overall components, rubber products are firstly pseudo- A press device which performs a secondary complete molding of a rubber product primarily molded in the injection device, and a pressing device which transfers the rubber product molded by the injection device to a press device, A rubber product conveying device for conveying the rubber product formed by the device in a perfect state to another place for taking out the rubber product and a rubber product conveying device for conveying the rubber product formed by the conveying device The next product Rubber product taking out the full type of rubber product from which the loss has been removed to the outside There is largely composed of, the rubber products in the injection apparatus shaping or shaping a rubber product is transferred to a press apparatus and a mold when the product needs to be completely formed.

Korean Registered Utility Model No. 20-0333451 (registered on November 6, 2003) discloses a rubber molded injection mold structure, in which a rectangular block storage portion of a set size in a horizontal state is formed on an upper surface, A cold runner block plate in which nozzle inserting holes of a corresponding shape are inserted so that upper portions of the nozzles are respectively fitted and fixed firmly and a plurality of bolt fitting holes are formed at both side portions of the upper surface at predetermined intervals, And a pair of cold runner block bodies each of which has a size corresponding to a size corresponding to a size of the block to be accommodated in the mold, and which has a substantially "┏" shape on each side face and has injection grooves in a semicircular shape in cross section. According to the disclosed technology, it is possible to reduce the manufacturing cost of the mold, to facilitate the manufacture, to easily maintain and repair the mold, to prevent the mold from being deformed or damaged, and to prolong the life of the mold.

Korean Patent Laid-Open Publication No. 10-2014-0058354 (published Apr. 14, 2014) discloses that the gap between the rubber-like holder and the molding container is made small, the stroke of the pressurizing cylinder can be made small and precise positioning is unnecessary, And a pressure molding apparatus capable of preventing deformation or breakage of the rubber-like holder. According to the disclosed technique, there are provided an upper pressurizing unit for pressing the to-be-pressed object from above, a lower pressurizing unit for pressing the press-molded object from below and opposed to the upper pressurizing unit, and a backup cylinder for pushing the lower pressurizing unit upward And the lower presser bar is provided with a molding pressure container for housing the press molded product and an outer frame surrounding the press molded product so that the outer frame is approximately the same height as the molding pressure container, A pressing elastic member which is disposed above the elastic member for molding and which applies a pressing force from above to the elastic member for molding at the time of pressure molding, and a holding elastic member which holds the elastic member for molding and the pressing elastic member A pressing elasticity restraining member is provided.

In the conventional rubber product molding apparatus as described above, since it is difficult to prevent the rubber raw material from coming out from the press mold and the injection mold, it is difficult to press the rubber mold It requires a larger amount of rubber raw material and has a disadvantage in that it is molded into a rubber finished product of low quality because the amount of rubber raw material transferred to the mold die is reduced.

Korean Registered Utility Model No. 20-0333451 Korean Patent Publication No. 10-2014-0058354

SUMMARY OF THE INVENTION The present invention has been made in an effort to solve the above-mentioned problems, and it is an object of the present invention to provide a rubber manufacturing and molding apparatus in which a rubber raw material is pressed onto a three- .

As means for solving the above-mentioned problems, according to one aspect of the present invention, there is provided a press mold comprising: a press mold for vertically driving by a press to press a rubber raw material; A transfer mold formed at a lower portion of the press mold for transferring the rubber raw material downward by pressing of the press mold; And a molding die formed at a lower portion of the transfer mold for molding the rubber raw material transferred from the transfer mold.

In one embodiment, the press die includes: a press body member which is driven up and down by a press; A plurality of pressing line projection members respectively formed on the lower surface of the press body member for pressing the rubber raw material; And a blocking line protrusion member formed at a lower surface rim portion of the press body member to prevent the rubber raw material pressed from the pressure line protrusion member from coming out to the outside.

In one embodiment, the transfer mold includes: a transfer body member formed at a lower portion of the press mold; A plurality of pressure line groove members each formed on an upper surface of the delivery body member for inserting the pressure line projection member; A plurality of transfer hole members formed in the lower portion of the transfer line groove member in a downward direction to transfer the rubber raw material to the lower portion by pressing of the press die; And the perforated line groove member formed at an upper edge of the delivery body member for inserting the perforated line protrusion member.

In one embodiment, the transfer mold is formed between the different pressure line groove members, and the transfer line groove for transferring the rubber raw material remaining in one pressure line groove member to the other pressure line groove member, Member. ≪ / RTI >

In one embodiment, the blocking line protruding member is formed in a lower outward direction inclined at a predetermined angle, so as to prevent the rubber raw material from coming out to the outside; And a second inclined surface formed in a lower inward direction inclined at a predetermined angle to prevent the rubber raw material from coming out to the outside.

In one embodiment, the blocking line projection member may be formed such that the area of the first inclined surface is larger than the area of the second inclined surface.

In one embodiment, the forming die includes: a molding body member formed at a lower portion of the transferring die; And a plurality of molding groove members respectively formed on the upper surface of the molding body member and for molding the rubber raw material transferred from the transfer mold into a rubber finished product.

In one embodiment, the inner portion of the pressure line groove member may be inclined at a predetermined angle so that the rubber raw material is pushed into the transmission hole member by the pressing of the press die.

In one embodiment, the press die is formed on the upper surface of the press body member in the inward direction of the percolating line protruding member, so that the rubber raw material pressed from the press line protruding member And may further comprise a blocking line groove member.

In one embodiment, the transfer mold may further include the auxiliary blocking line protrusion member formed on the upper surface of the transfer body member in the inward direction of the blocking line groove member, and inserted into the auxiliary blocking line groove member have.

According to the present invention, there is provided a rubber manufacturing and molding apparatus that can pressurize a rubber raw material to a three-stage metal mold and mold it into a finished rubber product of a predetermined shape, thereby forming a projection on a one- And the groove for inserting the projections into the two-stage mold frame for transmitting the rubber raw material downward can be formed so that the rubber raw material can be prevented from coming out of the one-stage mold frame and the two-stage mold frame, Can be used as the rubber raw material, and since the amount of rubber raw material transferred to the three-stage mold for molding the rubber raw material is increased, the rubber raw material can be molded into a finished rubber product having excellent quality.

1 is a view for explaining a rubber manufacturing and molding apparatus according to a first embodiment of the present invention.
Fig. 2 is a view for explaining a press die shown in Fig. 1. Fig.
Fig. 3 is a view for explaining a blocking line projection member in Fig. 2; Fig.
Figs. 4 and 5 are views illustrating the transfer mold shown in Fig. 1. Fig.
Fig. 6 is a view for explaining a molding die shown in Fig. 1. Fig.
7 is a view for explaining a rubber manufacturing and molding apparatus according to a second embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. However, the description of the present invention is merely an example for structural or functional explanation, and the scope of the present invention should not be construed as being limited by the embodiments described in the text. That is, the embodiments are to be construed as being variously embodied and having various forms, so that the scope of the present invention should be understood to include equivalents capable of realizing technical ideas. Also, the purpose or effect of the present invention should not be construed as limiting the scope of the present invention, since it does not mean that a specific embodiment should include all or only such effect.

The meaning of the terms described in the present invention should be understood as follows.

The terms "first "," second ", and the like are intended to distinguish one element from another, and the scope of the right should not be limited by these terms. For example, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component. It is to be understood that when an element is referred to as being "connected" to another element, it may be directly connected to the other element, but there may be other elements in between. On the other hand, when an element is referred to as being "directly connected" to another element, it should be understood that there are no other elements in between. On the other hand, other expressions that describe the relationship between components, such as "between" and "between" or "neighboring to" and "directly adjacent to" should be interpreted as well.

It should be understood that the singular " include "or" have "are to be construed as including a stated feature, number, step, operation, component, It is to be understood that the combination is intended to specify that it does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Commonly used predefined terms should be interpreted to be consistent with the meanings in the context of the related art and can not be interpreted as having ideal or overly formal meaning unless explicitly defined in the present invention.

Now, a rubber manufacturing and molding apparatus according to an embodiment of the present invention will be described in detail with reference to the drawings.

1 is a view for explaining a rubber manufacturing and molding apparatus according to a first embodiment of the present invention.

Referring to FIG. 1, a rubber manufacturing and molding apparatus 100 includes a press mold 110, a transfer mold 120, and a forming mold 130.

The press mold 110 forms a transfer mold 120 at a lower portion thereof and presses the rubber raw material located on the upper surface of the transfer mold 120 up and down by a press.

In one embodiment, the upper portion of the press mold 110 is connected to the press, and can be driven up and down by a press, and can be driven downward to press the rubber raw material located on the upper surface of the transfer mold 120 have.

The transfer mold 120 is formed at a lower portion of the press mold 110 and forms a molding die 130 at the lower portion of the mold 120. The press mold 110 presses the rubber raw material downward.

In one embodiment, the transfer mold 120 is positioned between the press mold 110 and the forming mold 130, and after a plurality of rubber raw materials are placed on the upper surface, the press mold 110 is driven in the downward direction So that the rubber raw material can be transferred to the molding die 130 through the plurality of transfer hole members 123 (see FIG. 5) formed on the upper surface.

The forming die 130 is formed at a lower portion of the transferring die 120 to form a rubber raw material transferred from the transferring die 120.

In one embodiment, the molding die 130 receives the rubber raw material from the transfer mold 120, and can transfer the received rubber raw material into a rubber finished product having a predetermined shape.

The rubber manufacturing and molding apparatus 100 having the above-described configuration can press the rubber raw material into the three-stage mold so as to be formed into a finished rubber product of a predetermined shape, thereby pressing the press mold 110 up and down by the press, A groove for inserting the protrusion into the transfer mold 120 for transferring the rubber raw material in the downward direction is formed so as to prevent the rubber raw material from being discharged to the outside of the press mold 110 and the transfer mold 120 The required amount of rubber raw material can be used, and since the amount of rubber raw material transferred to the forming die 130 for molding the rubber raw material is increased, the rubber raw material can be molded into a finished rubber product having excellent quality.

Fig. 2 is a view for explaining a press die shown in Fig. 1. Fig.

2, the press mold 110 includes a press body member 111, a plurality of press line protruding members 112, and a perforated line protruding member 113. [

The press body member 111 is formed with a pressure line protruding member 112 on the lower surface, a blocking line protruding member 113 on the lower surface edge portion, and driven up and down by a press.

In one embodiment, the press body member 111 is formed in the shape of a square pillar, and the upper portion is connected to the press, and the lower portion is driven by the press to press the upper surface of the transfer mold 120 have.

The press line protrusion member 112 is formed on the lower surface of the press body member 111 and presses the rubber raw material located on the upper surface of the transfer mold 120 (see FIG. 1).

In one embodiment, the pressure line protruding member 112 is formed, for example, in a circular ring shape or a circular shape, and is provided on the lower surface of the press body member 111 with a pressure line groove member 122 (See Fig. 4).

In one embodiment, the number of the pressure line protruding members 112 may be the same as the number of the pressure line groove members 122.

The blocking line projection member 113 is formed at the lower edge of the press body member 111 to prevent the rubber raw material pressed from the pressing line projection member 112 from coming out to the outside.

In one embodiment, the blocking line projection member 113 is inserted into the blocking line groove member 124 (see FIG. 4) of the transmission mold 120 while surrounding the edge of the transmission mold 120 (see FIG. 4) The rubber raw material pressed from the pressing line protruding member 112 is prevented from coming out of the press mold 110 and the transfer mold 120 and a large amount of rubber raw material is discharged from the lower portion of the transfer mold 120 (130)).

Fig. 3 is a view for explaining a blocking line projection member in Fig. 2; Fig.

3, the blocking line projecting member 113 includes a first inclined plane 1131 and a second inclined plane 1132. As shown in Fig.

The first inclined surface 1131 is formed in a lower outer direction of the obturating line protruding member 113 so as to be inclined at a predetermined angle (for example, 10 to 75 degrees), thereby preventing the rubber raw material from coming out to the outside.

The second inclined surface 1132 is formed in a lower inner direction of the obturating line protruding member 113 so as to be inclined at a predetermined angle (for example, 10 to 60 degrees), thereby preventing the rubber raw material from coming out to the outside.

The perforated line protruding member 113 is formed such that the area of the first inclined surface 1131 is larger than the area of the second inclined surface 1132 so that the rubber raw material pressed against the press mold 110 It is possible to prevent the press die 110 and the transfer mold 120 from being discharged to the outside and to be easily inserted into the perforated line groove member 124.

Figs. 4 and 5 are views illustrating the transfer mold shown in Fig. 1. Fig.

4, the transfer mold 120 includes a transfer body member 121, a plurality of pressure line groove members 122, a plurality of transfer hole members 123, and a perforated line groove member 124. 5 is a view showing a state in which the transmission hole member 123 is formed in the center of the pressure line groove member 122 as a whole.

The delivery body member 121 is formed on the lower portion of the press mold 110 and has a pressure line groove member 122 on the upper surface and a perforated line groove member 124 on the upper surface edge portion.

In one embodiment, the delivery body member 121 may be formed in the form of a square pillar having a constant length (e.g., 1 cm to 10 cm).

The pressure line groove member 122 penetrates the transmission hole member 123 from the upper side to the lower side and is formed on the upper surface of the transmission body member 121 so as to insert the pressure line projection member 112 .

In one embodiment, the pressure line groove member 122 is formed, for example, in a circular ring shape or a circular shape, and when formed in a circular ring shape, the pressure line groove member 122 has a dome shape in which a circle formed therein is protruded upward .

In one embodiment, the number of the pressure line groove members 122 may be the same as the number of the pressure line protruding members 112 and the molding groove members 132.

The transfer hole member 123 is formed so as to pass downward from the upper portion of the pressure line groove member 122 and to transfer the rubber raw material to the lower portion by pressing the press die 110.

In one embodiment, the transfer hole member 123 may be formed in one or more numbers (preferably six).

In one embodiment, the transmission hole member 123 is integrally formed at the center portion of the pressure line groove member 122, for example, when the transmission hole member 123 is formed of one piece, and the rubber raw material is connected to the forming die 130 You can deliver it quickly.

The blocking line groove member 124 is formed at an upper edge portion of the transfer body member 121 to insert the blocking line projection member 113 therein.

In one embodiment, the blocking line groove member 124 is formed at the upper edge portion of the transfer body member 121 (i.e., the position facing the blocking line projection member 113 (see Fig. 3)), It is possible to prevent the rubber raw material pressed from the pressing line projection member 112 from coming out of the press mold 110 and the transfer mold 120 by inserting the line projection member 113, To the lower portion of the mold (i.e., the forming die 130).

In one embodiment, the transfer mold 120 may further include a transfer line groove member 125.

The delivery line groove member 125 is formed between the different pressure line groove members 122 to transfer the rubber raw material remaining in one pressure line groove member 122 to the other pressure line groove member 122 It does.

In one embodiment, the transfer line groove member 125 is formed between the different pressure line groove members 122 so that when the press die 110 presses the rubber raw material, So that it can be quickly moved from the groove member 122 to another pressure line groove member 122 formed in the vicinity thereof.

In one embodiment, the delivery line groove member 125 is formed such that when the rubber raw material is not delivered to the lower portion through the transmission hole member 123 formed in one pressure line groove member 122, To the other pressure line groove member 122 formed in the vicinity of the rubber line.

Fig. 6 is a view for explaining a molding die shown in Fig. 1. Fig.

Referring to Fig. 6, the molding die 130 includes a molding body member 131 and a plurality of molding groove members 132. Fig.

The molding body member 131 is formed on the lower portion of the transfer mold 120, with the molding groove member 132 formed on the upper surface thereof.

In one embodiment, the molded body member 131 can be formed in the form of a square pillar having a certain length (for example, 1 cm to 10 cm).

The molding groove member 132 is formed on the upper surface of the molding body member 131 to mold the rubber raw material transferred from the transfer mold 120 into a rubber finished product.

In one embodiment, the number of forming groove members 132 may be the same as the number of pressing line groove members 122.

7 is a view for explaining a rubber manufacturing and molding apparatus according to a second embodiment of the present invention.

Referring to FIG. 7, the rubber manufacturing and molding apparatus 200 includes a press mold 210, a transfer mold 220, and a forming mold 130. Here, the parts of the press mold 210, the transfer mold 220, and the mold 230 that are similar to those of FIG. 1 will not be described below, and only the other parts will be described. At this time, the rubber manufacturing and molding apparatus 200 is in a state in which rubber raw materials are inserted therein.

The press mold 210 includes the auxiliary blocking line groove member 211.

The auxiliary blocking line groove member 211 is formed on the upper surface of the press body member 111 in the inward direction of the blocking line projection member 113 so that the rubber raw material pressed from the pressing line projection member 112 exits It blocks double.

The transmission mold 220 is formed by inclining the inner portion of the pressure line groove member 122 at a predetermined angle (for example, 1 to 10 degrees), and the rubber raw material is conveyed And is pushed into the hole member 123.

In one embodiment, the transfer mold 220 is formed by sloping the interior portion of the line of pressure line member 122 at a predetermined angle so that a greater amount of rubber material is pushed into the delivery hole member 123 At the same time, it is possible to reduce the amount of rubber raw materials exiting to the outside.

In one embodiment, the transfer mold 220 includes an auxiliary blocking line protrusion member 221.

The auxiliary blocking line protrusion member 221 is formed on the upper surface of the transmission body member 121 in the inward direction of the blocking line groove member 124 and inserted into the auxiliary blocking line groove member 124.

The rubber manufacturing and molding apparatus 200 having the above-described structure is characterized in that the blocking line projection member 113 and the auxiliary blocking line groove member 211 are formed in the press mold 210, The groove member 124 and the auxiliary blocking line protrusion member 221 are formed to prevent the rubber raw material pressed by the press die 210 from being discharged to the outside of the press mold 210 and the transfer mold 220, The amount of the rubber raw material can be reduced, and the finished rubber product can be formed by filling the inside with the rubber raw material.

As described above, the embodiment of the present invention is not limited to the above-described apparatus and / or method, but may be implemented by a program for realizing a function corresponding to the configuration of the embodiment of the present invention and a recording medium on which the program is recorded And the present invention can be easily implemented by those skilled in the art from the description of the embodiments described above. While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, It belongs to the scope of right.

100, 200: Rubber molding device
110, 210: Press mold
111: press body member
112: pressing line projection member
113: Blocking line projection member
1131: first inclined surface
1132: second inclined surface
120, 220: transfer mold
121: transmission body member
122: pressure line groove member
123: transmission hole member
124: Blocking line groove member
125: transmission line groove member
130, 230: Molding mold
131: Molded body member
132: forming groove member
211: auxiliary blocking line groove member
221: Auxiliary blocking line projection member

Claims (10)

A press mold for vertically driving by press to press the rubber raw material;
A transfer mold formed at a lower portion of the press mold for transferring the rubber raw material downward by pressing of the press mold; And
And a molding die formed at a lower portion of the transfer mold for molding the rubber raw material transferred from the transfer mold,
The press mold includes:
A press body member vertically driven by a press;
A plurality of pressing line projection members respectively formed on the lower surface of the press body member for pressing the rubber raw material;
A protruding line protruding member formed on a lower surface rim of the press body member to prevent rubber raw materials pressed from the pressurizing line protruding member from coming out to the outside; And
And an auxiliary blocking line groove member formed on an upper surface of the press body member in an inward direction of the blocking line projection member to double the rubber raw material pressed out from the pressing line projection member to the outside,
The transfer mold includes:
A transfer body member formed at a lower portion of the press die;
A plurality of pressure line groove members each formed on an upper surface of the delivery body member for inserting the pressure line projection member;
A plurality of transmission hole members formed in the lower portion of the pressure line groove member in a downward direction to transmit the rubber raw material to the lower portion by the pressing of the press die;
A perforated line groove member formed at an upper edge of the delivery body member for inserting the perforated line protrusion member;
A transmission line groove member formed between the different pressure line groove members for transmitting the rubber raw material remaining in one pressure line groove member to the other pressure line groove member; And
And an auxiliary blocking line protrusion member formed on an upper surface of the transmission body member and formed in the inside of the blocking line groove member for insertion into the auxiliary blocking line groove member,
Wherein an inner portion of the pressure line groove member is inclined at an angle of 1 degree to 10 degrees so that the rubber raw material is pushed into the transmission hole member by the pressing of the press die.
delete delete delete 2. The apparatus according to claim 1, wherein the blocking line projection member
A first inclined surface formed in a lower outward direction inclined at a predetermined angle to prevent the rubber raw material from coming out to the outside; And
And a second inclined surface formed to be inclined at a predetermined angle in a lower inner direction to prevent the rubber raw material from coming out to the outside.
6. The apparatus according to claim 5, wherein the blocking line projection member
And the area of the first inclined surface is larger than the area of the second inclined surface.
The mold according to claim 1,
A molding body member formed at a lower portion of the transfer mold; And
And a plurality of molding groove members formed on the upper surface of the molding body member for molding the rubber raw material transferred from the transfer mold into a rubber finished product.
delete delete delete

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