KR101517401B1

KR101517401B1 - Injection device

Info

Publication number: KR101517401B1
Application number: KR1020140004649A
Authority: KR
Inventors: 김종관; 김민정
Original assignee: 김종관; 김민정
Priority date: 2014-01-14
Filing date: 2014-01-14
Publication date: 2015-05-04

Abstract

The present invention relates to an injection device, which has an air spraying part and a coolant spraying part and smoothly molds the inside surface or the outside surface of a vertical-shaped sealing container. The present invention comprises: a first air spraying part (250) which is installed on one side of the floor surface of a vertical-shaped storage groove (218) to spry air to the vertical-shaped storage groove (218); a connection rod (224) which is installed on one side of a first supporting plate (216) at intervals; and a second supporting plate (226) which is electrically connected to the control part and installed on the connection rod (224) to slide, so that the second supporting plate has a certain distance from the first supporting plate (216) and faces the same, and which moves back and forth with the connection rod (224) which moves according to control signals of the control part.

Description

Injection device

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an injection apparatus, and more particularly, to an injection apparatus having an air injection unit and a cooling water injection unit to smoothly inject an inner surface or an outer surface of a hermetically sealed container.

2. Description of the Related Art In general, an injection apparatus functions to inject an injection material such as plastic, which is a main material of a molded article, and inject it into a mold to produce a molded article.

The injection apparatus is well illustrated in the application filed by the Japanese Intellectual Property Office (KIPO) on Nov. 25, 2002 under the application number 10-2002-0073393 entitled "Method of molding a resin molded article by a mold apparatus".

The mold apparatus shown in the above application No. 10-2002-0073393 has a mold core 12 as shown in FIG. 1, and the mold core 12 has a conical shape.

When the molten injected material is injected into the mold core 12 of the mold apparatus according to the application No. 10-2002-0073393, as shown in Fig. 2, a conical cylindrical shaped article (hereinafter referred to as "Quot; closed container ") 41 is injected.

However, in the mold apparatus shown in Application No. 10-2002-0073393, there is no air injection unit for injecting air into the mold core,

When the hermetically sealed container of the conical shape is ejected from the mold core, air bubbles are generated on the inner surface or the outer surface of the conical hermetically sealed container or are not smooth.

3 is an injection apparatus 100 according to another embodiment, which is generally used.

A base 102;

A controller (not shown) installed at one side of the base 102 to control the injection apparatus according to a preset program;

A first guide rail 104 installed on one side of the upper surface of the base 102;

A second guide rail 106 installed on one side of the upper surface of the base 102 at a predetermined distance from the first guide rail 104;

The first guide rail 104 and the second guide rail 106 are slidably mounted on the first guide rail 104 and the second guide rail 106 and are electrically connected to the control unit. (108) for heating and melting the injection material injected from the hopper by advancing or retracting the injection material (106) and sending the molten injection material to the nozzle according to a control signal of the control unit;

A hopper 110 electrically connected to the control unit and communicably connected to one side of the heating unit 108 to inject the injection material into the heating unit 108 according to a control signal of the control unit;

The heating unit 108 is electrically connected to the control unit and communicates with one side of the heating unit 108. The heating unit 108 moves according to the forward or backward movement of the heating unit 108, A nozzle 112 for sending the transferred molten injection material to the mold apparatus;

As shown in FIG. 5, the molten injection material, which is electrically connected to the control unit and installed at one side of the base 102 and sent from the nozzle 112, And a mold device (114).

Here, as shown in FIGS. 3 to 4, the mold apparatus 114 includes:

A first support plate 116 installed on one side of the upper surface of the base 102;

A first mold frame 120 having a conical receiving groove 118 at one side of the first supporting plate 116;

An injection hole (not shown) which is provided at one side of the first support plate 116 so as to communicate with the conical receiving groove 118 and sends the molten injection material sent from the nozzle 112 to the conical receiving groove 118 122);

A connecting rod 124 installed at a predetermined distance on one side of the first supporting plate 116;

The first support plate 116 is electrically connected to the control unit and is slidably installed on the connection rod 124 so as to face the first support plate 116 at a predetermined distance from the first support plate 116, A second support plate 126 for advancing or retracting on the first support plate 124;

A guide rod 128 provided at a predetermined distance on one side of the second support plate 126;

A second mold frame 130 electrically connected to the control unit and slidably mounted on the guide rod 128 to move forward or backward along the guide rod 128 according to a control signal of the control unit;

The first mold frame 120 is installed at one side of the second mold frame 130 so as to be received in the conical receiving recess 118 of the first mold frame 120, And a conical pressing part 132 for pressing the molten injection material received in the conical receiving groove 118;

The first mold 120 is electrically connected to the control unit and is connected to a conical receiving groove 118 of the first mold 120. When the conical pressing unit 132 is pressed, And a cooling water spraying part 134 for cooling the hermetically sealed container 41 which is injected by injecting the cooling water into the receiving groove 132 of the cylindrical housing.

However, there is no air injection part for injecting air into the conical receiving groove of the first mold die of the injection apparatus of the above-mentioned conventional other embodiment,

There is a problem that bubbles are generated on the inner surface or the outer surface of the conical tube-like hermetically sealed container when the conical hermetically sealed container is injected from the conical receiving groove or is not smooth.

When the press plate is placed and pressed inside the conical tube-like hermetically sealed container injected from the injection apparatus 100 of the mold apparatus of the application No. 10-2002-0073393 and the injection apparatus 100 of the other embodiment of FIG. 3, As a result, there has been a problem that the pressure plate can not be lowered to the bottom surface of the hermetically sealed container of the conical shape.

As a result, there is a problem that the food placed on the bottom surface of the hermetically sealed container of the conical shape can not be vacuumed.

Further, when the pressing plate located in the hermetically closed container of the conical shape is continuously pressed, there is a problem that the rubber packing inserted in the insertion groove of the press plate is detached.

Therefore, it is impossible to maintain the inside of the conical tube-shaped closed container in a vacuum state, so that it is impossible to store foods for a long period of time and the taste of the food easily changes.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a method of manufacturing an airtight container that includes an air jet portion and a cooling water jetting portion to smoothly inject the inner or outer surface of a closed container The injection molding machine is provided with an injection molding machine.

However, the object of the present invention is not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided an injection apparatus including:

A base 202; A control unit installed at one side of the base 202 to control the injection apparatus according to a preset program; A first guide rail 204 installed on one side of the upper surface of the base 202; A second guide rail 206 installed on one side of the upper surface of the base 202 at a predetermined distance from the first guide rail 204; The first guide rail 204 and the second guide rail 206 are slidably mounted on the first guide rail 204 and the second guide rail 206. The first guide rail 204 and the second guide rail 206 are electrically connected to the control unit, A heating unit 208 for heating and melting the injection material injected from the hopper by advancing or retracting the injection material 206 and sending the molten injection material to the nozzle according to the control signal of the control unit; A hopper 210 electrically connected to the control unit and communicably connected to one side of the heating unit 208 to inject the injection material into the heating unit 208 according to a control signal of the control unit; The heating unit 208 is electrically connected to the control unit and communicates with one side of the heating unit 208. The heating unit 208 moves according to the forward or backward movement of the heating unit 208, A nozzle 212 for sending the transferred molten injection material to a mold apparatus; And a mold unit 214 electrically connected to the control unit and disposed at one side of the base 202 to inject the molten injection material sent from the nozzle 212 into the closed container 300 do.

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As described above, since the injection apparatus according to the present invention includes the air jetting section and the cooling water jetting section, it is possible to smoothly inject the inner surface or the outer surface of the sealed container in the vertical shape.

1 is a schematic view of a mold apparatus in a conventional injection apparatus,
FIG. 2 is a view showing a hermetically closed container of a conical tube projected from the mold apparatus of FIG. 1;
3 is a schematic view of an injection apparatus according to another embodiment of the present invention,
Fig. 4 is a schematic exploded view of the mold apparatus of Fig. 3,
FIG. 5 is a view showing a hermetically closed container of a conical tube projected from the injection apparatus of FIG. 3,
FIG. 6 is a view showing a state in which a pressure plate is placed inside a conical tube-shaped hermetically sealed container injected from the injection apparatuses of FIGS. 1 and 3,
7 is a schematic view of an injection apparatus according to the present invention,
Fig. 8 is a schematic exploded view of the mold apparatus of Fig. 7,
Fig. 9 is an enlarged view of the main part of the first mold die shown in Fig. 7,
FIG. 10 is a view showing a closed container of an orthogonal cylindrical shape projected from the injection apparatus of FIG. 7,
11 is a view in which a press plate is placed on the bottom surface of the hermetically sealed container in the vertical shape of Fig.

Hereinafter, a preferred embodiment of the injection apparatus according to the present invention will be described.

In the following description of the present invention, detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

FIG. 7 is a view schematically showing an injection apparatus according to the present invention, FIG. 8 is a schematic exploded view of the mold apparatus of FIG. 7, and FIG. 9 is an enlarged view of a main part of the first mold die of FIG.

7 to 9, the injection apparatus 200 according to the present invention includes:

A base 202;

A control unit (not shown) installed at one side of the base 202 to control the injection apparatus according to a preset program;

A first guide rail 204 installed on one side of the upper surface of the base 202;

A second guide rail 206 installed on one side of the upper surface of the base 202 at a predetermined distance from the first guide rail 204;

The first guide rail 204 and the second guide rail 206 are slidably mounted on the first guide rail 204 and the second guide rail 206. The first guide rail 204 and the second guide rail 206 are electrically connected to the control unit, A heating unit 208 for heating and melting the injection material injected from the hopper by advancing or retracting the injection material 206 and sending the molten injection material to the nozzle according to the control signal of the control unit;

A hopper 210 electrically connected to the control unit and communicably connected to one side of the heating unit 208 to inject the injection material into the heating unit 208 according to a control signal of the control unit;

The heating unit 208 is electrically connected to the control unit and communicates with one side of the heating unit 208. The heating unit 208 moves according to the forward or backward movement of the heating unit 208, A nozzle 212 for sending the transferred molten injection material to a mold apparatus;

As shown in FIG. 10, the molten injection material, which is electrically connected to the control unit and installed at one side of the base 202 and sent from the nozzle 212, And a mold apparatus (214).

Here, as shown in FIGS. 7 to 9,

A first support plate 216 installed on one side of the upper surface of the base 202;

A first mold frame 220 having a receiving groove 218 in the form of a straight cylinder at one side of the first supporting plate 216;

The molten injection material which is provided at one side of the first support plate 216 so as to communicate with the receiving groove 218 of the right-handed shape and is sent from the nozzle 212 is inserted into the receiving groove 218 of the right- A sending injection hole 222;

A first air ejecting part 250 installed at one side of the bottom surface of the receiving groove 218 to allow the air to be injected into the receiving groove 218 in four directions;

A connecting rod 224 provided at a predetermined distance on one side of the first supporting plate 216;

The first support plate 216 is electrically connected to the control unit and is slidably installed on the connection rod 224 so as to face the first support plate 216 at a predetermined distance from the first support plate 216, A second support plate 226 for advancing or retracting on the second support plate 224;

A guide rod 228 provided at a predetermined distance on one side of the second support plate 226;

A second mold frame 230 electrically connected to the control unit and slidably mounted on the guide rod 228 and moving forward or backward along a guide rod 228 according to a control signal of the control unit;

The second mold frame 230 is installed on one side of the second mold frame 230 so as to be received in the receiving recess 218 of the first mold frame 220, A press-contact portion 232 of an orthogonal-shape, which is received in the receiving groove 218 and presses the molten injection material accommodated in the receiving groove 218 of an orthogonal-cylinder shape;

A second air jetting part 252 provided at the center of the bottom surface of the vertical pressing part 323 for jetting the air into the receiving groove 218 in an orthogonal direction;

The first air spraying part 250 of the vertical receiving recess 218 and the second air spraying part 252 of the vertical pressing part 232 can be communicated with the control part, An air supply unit 254 for supplying air to the first and second air injection units 250 and 252 in accordance with a control signal of the control unit when the crimping unit 232 of the straight cylindrical shape is pressed;

The control unit is electrically connected to the control unit and is connected to the receiving groove 218 of the first mold die 220 so as to communicate with the control unit. And a cooling water sprayer 234 for spraying cooling water into the cylindrical receiving recess 218 to cool the hermetically sealed container 300 to be injected.

The operation of the injection apparatus according to the present invention or the injection process in the injection apparatus will be described as follows.

First, the injection material is put into the hopper 210, and then electricity is supplied to the injection apparatus.

In accordance with the electric supply, the control unit sends a control signal to the hopper 210 according to a preset program.

The hopper 210 injects the injection material into the heating unit 208.

When the injection material is injected into the heating unit 208, the control unit sends a control signal to the heating unit 208.

The heating unit 208 melts the injection material and then sends the melted injection material to the nozzle 212. The melted injection material is supplied to the nozzle 212 through the first guide rail 204 and the second guide rail 204 installed on one side of the upper surface of the base 202, The guide rail 206 is moved forward.

The nozzle 212 is inserted into the injection hole 222 of the mold apparatus 214 and the control unit controls the second support plate 226 of the mold apparatus 214 and the second mold die 220, respectively.

The second support plate 226 rides on the connecting rod 224 and the second mold frame 230 is guided by the guide rod 228 to the receiving recess 218 of the first mold frame 220, do. At this time, the vertical pressing portion 232 of the second mold frame 230 is accommodated in the receiving recess 218 of the first mold frame 220 in the vertical direction.

The control unit sends a control signal to the nozzle 212.

The nozzle 212 injects molten injection material into the receiving groove 218 of the first mold die 220 through the injection hole 222 of the mold apparatus 214.

When the molten injection material is injected into the receiving groove 218 of the vertical shape of the first mold die 220,

The control unit sends a control signal to the air supply unit 254 and the cooling water spraying unit 234.

The air supply unit 254 includes a first air ejecting unit 250 installed at one side of the bottom surface of the receiving groove 218 in the shape of a straight cylinder and a second air blowing unit 250 installed at the center of the bottom surface of the straight press- And supplies air to the yarn section 252. Accordingly, the first air spraying part 250 and the second air spraying part 252 inject air into the receiving grooves 216 having an almost straight cylindrical shape.

On the other hand, the cooling water spraying section 234 injects cooling water into the receiving grooves 216 having an almost cylindrical shape.

Accordingly, the air and the cooling water are injected into the hermetically sealed container 300 in the conical shape.

When the injection of the air and the cooling water into the receiving groove 216 of the right-handed shape is completed,

The control unit sends a control signal to the second support plate 226 and the second mold frame 220 of the mold apparatus 214.

The second support plate 226 rides on the connecting rod 224 and the second mold frame 230 is returned to the original position on the guide rods 228. At this time, the crimping portion 232 of the second mold die 230 is removed from the receiving groove 218 of the first mold die 220.

As shown in FIG. 10, when the second mold frame 230 is in the original position as described above, the second mold frame 230 can be easily opened and closed, The container 300 is removed.

When the closed container 300 having the vertical shape as described above is obtained, the presser plate is placed inside the closed container 300 of the vertical shape as shown in FIG. 11, and then the presser plate is pressed to the bottom surface.

The foregoing description of the invention is merely exemplary of the invention and is used for the purpose of illustration only and is not intended to limit the scope of the invention as defined in the claims or the claims. Therefore, those skilled in the art will appreciate that various modifications and equivalent embodiments are possible without departing from the scope of the present invention. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

200: Injection device
202: Base
204: first guide rail
206: second guide rail
208:
210: Hopper
212: Nozzle
214: mold device

Claims

A base 202; A control unit installed at one side of the base 202 to control the injection apparatus according to a preset program; A first guide rail 204 installed on one side of the upper surface of the base 202; A second guide rail 206 installed on one side of the upper surface of the base 202 at a predetermined distance from the first guide rail 204; The first guide rail 204 and the second guide rail 206 are slidably mounted on the first guide rail 204 and the second guide rail 206. The first guide rail 204 and the second guide rail 206 are electrically connected to the control unit, A heating unit 208 for heating and melting the injection material injected from the hopper by advancing or retracting the injection material 206 and sending the molten injection material to the nozzle according to the control signal of the control unit; A hopper 210 electrically connected to the control unit and communicably connected to one side of the heating unit 208 to inject the injection material into the heating unit 208 according to a control signal of the control unit; The heating unit 208 is electrically connected to the control unit and communicates with one side of the heating unit 208. The heating unit 208 moves according to the forward or backward movement of the heating unit 208, A nozzle 212 for sending the transferred molten injection material to a mold apparatus; And a mold unit 214 electrically connected to the control unit and disposed at one side of the base 202 to inject the molten injection material sent from the nozzle 212 into the closed container 300 In the injection apparatus,
The mold apparatus (214)
A first support plate 216 installed on one side of the upper surface of the base 202;
A first mold frame 220 having a receiving groove 218 in the form of a straight cylinder at one side of the first supporting plate 216;
The molten injection material which is provided at one side of the first support plate 216 so as to communicate with the receiving groove 218 of the right-handed shape and is sent from the nozzle 212 is inserted into the receiving groove 218 of the right- A sending injection hole 222;
A first air ejecting part 250 installed at one side of the bottom surface of the receiving groove 218 to allow the air to be injected into the receiving groove 218 in four directions;
A connecting rod 224 provided at a predetermined distance on one side of the first supporting plate 216;
The first support plate 216 is electrically connected to the control unit and is slidably installed on the connection rod 224 so as to face the first support plate 216 at a predetermined distance from the first support plate 216, A second support plate 226 for advancing or retracting on the second support plate 224;
A guide rod 228 provided at a predetermined distance on one side of the second support plate 226;
A second mold frame 230 electrically connected to the control unit and slidably mounted on the guide rod 228 and moving forward or backward along a guide rod 228 according to a control signal of the control unit;
The second mold frame 230 is installed on one side of the second mold frame 230 so as to be received in the receiving recess 218 of the first mold frame 220, A press-contact portion 232 of an orthogonal-shape, which is received in the receiving groove 218 and presses the molten injection material accommodated in the receiving groove 218 of an orthogonal-cylinder shape;
A second air jetting part 252 provided at the center of the bottom surface of the vertical pressing part 323 for jetting the air into the receiving groove 218 in an orthogonal direction;
The first air spraying part 250 of the vertical receiving recess 218 and the second air spraying part 252 of the vertical pressing part 232 can be communicated with the control part, An air supply unit 254 for supplying air to the first and second air injection units 250 and 252 in accordance with a control signal of the control unit when the crimping unit 232 of the straight cylindrical shape is pressed;
The control unit is electrically connected to the control unit and is connected to the receiving groove 218 of the first mold die 220 so as to communicate with the control unit. And a cooling water spraying part (234) for spraying cooling water to the cylindrical receiving recess (218) in accordance with the shape of the cylindrical container (300) to cool the closed container (300).

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