KR20140104781A - Dual Chamber Tube Vessel Assembly with Cap and the Method of Making It - Google Patents

Abstract

The present invention relates to a method to manufacture a dual space tube container integrated with a cap, which comprises: a tube forming step of extruding polyethylene, polypropylene, polyvinylidene chloride, an ethylene vinyl alcohol copolymer, polyamide, or a polyvinyl acrylic resin in an extrusion mold for extrusion molding of a tube with a separating wall; a tube printing step of printing on the outer side of the tube; a core mold inserting step forming a forming part forming a shoulder and a neck; an injection step integrally injection molding a neck, a shoulder, a hinge, and a cap with polyethylene, polypropylene, polyvinylidene chloride, an ethylene vinyl alcohol copolymer, polyamide, or a polyvinyl acrylic resin; a blowdown step blowing out the tube container; and a sealing step compression melting and coupling the tube container.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a double-

[0001] The present invention relates to a cap-integrated two-space tube container and a method of manufacturing the same. More specifically, the present invention relates to a cap-integrated two-space tube container, A polyvinyl chloride (PVDC), an ethylene vinyl alcohol copolymer (EVOH), a polyamide (PA), or a polyvinyl acetate (PVA) The upper shoulder, the neck and the cap of the tube container were integrally molded by injection molding with polyethylene, polypropylene, polyvinylidene chloride, ethylene vinyl alcohol copolymerization, polyamide or polyvinyl acrylic resin, And a cap are integrally formed, and a method of manufacturing the same.

Generally, a cream type product such as a toothpaste, a dyeing agent, and a part of a kochujang is filled in a tube container and circulated in the market. The tube container filling these products is formed by extruding a cylindrical tube and putting the formed tube into an injection molding machine So that the shoulder and neck are injected and joined together to form the container body, and the cap to be fastened to the neck is separately manufactured and the cap is connected to the container body.

In the conventional tube container in which the container body and the cap are separated,

 The cream type dye container and its manufacturing method of Patent Application Publication No. 10-2012-0010100 (Feb. 02, 2012) include a process of forming a tube in which a partition is formed in the longitudinal direction at the center of the inside thereof and molded by extrusion A step of inserting the tube into the first molding machine, a step of coupling and fixing the second molding machine with the molded part to the first molding machine in which the tube is inserted, and a step in which the core mold of the first molding machine, A step of injecting a hard material into the second molding machine having the discharge part formed therein and an end part of a tube of the first molding machine into which the material to be injected is inserted, A step of forming an inner surface of a discharge portion in which an upper end surface of a core mold of a first molding machine inserted with a tube is formed, and a step of forming an outer peripheral surface of the discharge portion and an outer peripheral surface of the tube in a second molding machine, A step of integrally forming a partition from the inner surface of the discharge portion to the tube, a first molding machine in which the tube is inserted and a second molding machine in which the discharge portion is molded, A process of filling both sides of the partition with a stain agent and an oxidizing agent and a process of sealing the lower end of the container by sealing and sealing the cream type dyeing container, Ultrasonic waves are applied to the fused portion formed in the fused portion and the core mold of the third molding machine so that the outer periphery of the discharge portion and the outer peripheral edge of the tube are fused to each other and then ultrasonic waves are separately applied to the two fused portions, And the ultrasonic wave is applied to the inclined portion of the partition to be fused, thereby completing the cream type coloring agent container.

However, in the conventional cream type dye container and the method of manufacturing the same, the production cost is increased because a container body in which the discharge part, the tube and the discharge part are integrally produced during the production of the tube container and the cap is produced separately from the container body have.

In addition, according to the above-described prior art, since the outer circumference of the discharge portion is fused with the outer circumference of the tube by ultrasonic waves, a process and an installation due to fusion are added, resulting in lower productivity and increased cost.

Further, in the prior art, there is a problem that the outer periphery of the discharge portion and the outer periphery of the tube overlap each other and then fuse together, so that the thickness of this portion becomes thicker than necessary.

Also, in the related art, there is a problem that productivity is deteriorated due to assembling of the separately manufactured container body and the cap.

In addition, the prior art has a problem in that the cap is separated from the container body in order to use the filling material, and the separated cap is lost.

Disclosure of Invention Technical Problem [8] The present invention has been proposed in order to solve the above-mentioned problems of the prior art, and it is an object of the present invention to provide a method for producing a thermoplastic resin film by extruding a cylindrical tube formed of two spaces with polyethylene, polypropylene, polyvinylidene chloride, ethylene vinyl alcohol copolymerization, polyamide or polyvinyl acrylic resin The tube is placed in an injection molding machine and the shoulder, neck and cap are injected at one time with polypropylene, polyvinylidene chloride, ethylene vinyl alcohol copolymerization, polyamide or polyvinyl acrylic resin, but tubes and shoulders use ultrasonic waves during injection molding Neck and cap are formed as one body of the same material while being injection-molded so that the core mold is divided into the inside of the tube for injection molding, the insertion is easy and the cap is separated from the upper movable mold by the compressed air And the cap is hinged by the hinge by the cap roller, Of the cap to provide a one-piece tube container space 2 and a method of manufacturing the no abrasion on the surface of the cap during the injection molding process to be located at the top.

The present invention relates to a method of manufacturing a cap-integrated two-space tube container, wherein the surface of the inner mold (12) and the outer mold (11) A tube forming step (S 10) of extruding polypropylene, polyvinylidene chloride, ethylene vinyl alcohol copolymerization, polyamide or polyvinyl acrylic resin to extrude a tube (70) in which the separator plate (71) is integrally formed; A tube printing step (S 20) of printing a figure or a character on the outer surface of the formed tube (70) by a silk screen printing method or the like; The upper movable mold 31 and the side movable mold 32 are placed on the upper portion of the tube 70 so as to form the molding path in which the cap 60 and the hinge 63 are formed in the separate injection mold 30, (S30) for placing the tube (70) on the injection mold (30); A core mold inserting step (S40) for inserting a core mold (33) into the inside of the tube (70) to form a molding part (15) in which a shoulder (65) and a neck (64) are formed; A neck 64 penetrating the upper portion of the tube 70 after the core mold inserting step S40, a shoulder 65 inclinedly formed integrally with the neck 64, and a hinge constituted integrally with the shoulder 65 And a cap 60 which is integrally formed with the hinge 63 and opens and closes the neck 64 is made of polyethylene, polypropylene, polyvinylidene chloride, ethylene vinyl alcohol copolymerization, polyamide or polyvinyl acrylic resin, An injection step (S50) of injecting and molding the mixture into the tube (70); The cap 60 is separated from the side movable mold 32 as the compressed air in the integrated tube 70 and the tube 70 is separated from the core mold 33 and the tube container molded from the injection mold 30 (S60) for taking out the plurality of suction ports (50); And a sealing step (S 70) of melting and pressurizing the extracted tube container (50) so that the lower end portion of the container body is integrally joined.

In the method of manufacturing a two-piece tube with a cap according to the present invention, the tube forming step (S 10) is a step in which the separating plate 71 of the extrusion die 10 is made of polyethylene, polypropylene, polyvinylidene chloride, ethylene Vinyl alcohol copolymerization, a tube extrusion step (S 11) for extruding a polyamide or polyvinyl acrylic tube (70), and a tube cutting step (S 12) for cutting the formed tube (70) to a required length .

In addition, in the method of manufacturing a two-cavity tube with a cap according to the present invention, the core mold inserting step (S 40) includes a step of inserting the first and second core molds 33- A first core mold inserting step (S 40) of inserting the outer surface of the 'S' of the first core metal mold 33-1 so as to be in close contact with one side surface of the separating plate 71, A second core mold inserting step (S40) for inserting the outer surface of the 'S' of the second core metal mold 33-2 into contact with the other surface of the separator plate 71 after the first core mold inserting step (S40) .

In the method of manufacturing a two-piece tube with a cap according to the present invention, the take-out step (S60) may be performed in a manner that the upper movable mold 31 of the injection mold 30 is retracted by an actuator such as a hydraulic cylinder, 60, a neck 64, a shoulder 65, and an upper movable mold back step S61 in which one side of the hinge 63 is exposed.

In the method of manufacturing a two-piece cap type two-dimensional tube container according to the present invention, the taking out step S60 is a step of moving the cap ejector 35, which is inserted into the side movable mold 32 after the top movable mold backward step S61, So that the compressed air 32-1 is exposed to the cap ejector inserting hole and the compressed air blown by the compressed air device constituted externally is blown to the compressed air path 32-1 so that the cap 60 And a cap separating step (S62) for separating from the upper movable mold (31).

In the method of manufacturing a two-piece cap type two-tube container according to the present invention, the taking-out step S60 is a step of moving the side movable mold 32 upward or horizontally after the cap separation step (S62) And a side movable mold separating step (S63) for completely releasing the mold from the tube (70).

In the method for manufacturing a two-cavity tube with a cap according to the present invention, in the taking out step (S60), after the core mold (33) is moved at a set rotational angle after the side movable mold separation step (S63) 31) of the core mold (S 64).

Further, in the method of manufacturing a two-piece tube with a cap according to the present invention, the take-out step (S60) is performed after the core mold rotating step (S64) by advancing the cap roller 36 by an actuator such as a hydraulic cylinder, And a cap rotation step (S 65) in which the cap (60) is hingedly rotated by the hinge (63) to be positioned above the shoulder (65).

Further, in the method of manufacturing a two-piece cap tube type container of the present invention, the take-out step (S60) is performed after the cap rotation step (S65) by advancing the cap roller 36 by an actuator such as a hydraulic cylinder, And a cap sealing step (S 66) in which the cap (60) tightly presses the upper surface of the cap (60) to seal the tube (70).

Also, the present invention is a cap two-piece tube container manufactured by the cap-integrated two-space tube container manufacturing method according to any one of claims 1 to 9.

The method for manufacturing a two-piece cap tube-type container of the present invention is a method for manufacturing a two-piece cap tube-type container by extruding a separating wall in a tube and a tube with polyethylene, polypropylene, polyvinylidene chloride, ethylene vinyl alcohol copolymerization, polyamide or polyvinyl acryl, mm and the thin film separation walls have an effect of allowing the cream type material in two spaces to be easily drawn out by increasing the flexibility.

Also, according to the method of manufacturing a two-cavity tube with a cap according to the present invention, a cap, a neck, a shoulder, and a hinge are integrally injection-molded at the same time, thereby reducing a process of assembling a cap to a neck and improving productivity.

In addition, the method for manufacturing a two-space cap tube-integrated container according to the present invention is characterized in that the cap, neck, shoulder and hinge are integrally molded by injection molding with polyethylene, polypropylene, polyvinylidene chloride, ethylene vinyl alcohol copolymerization, polyamide or polyvinyl acrylic resin Polypropylene, polyvinylidene chloride, ethylene vinyl alcohol copolymerization, polyamide or polyvinyl acrylic tube, and a separating wall integrally formed with the shoulder, thereby achieving a good bonding force.

In addition, according to the method of manufacturing a two-cavity tube with a cap according to the present invention, the core mold can be easily inserted by sequentially inserting the first core mold and the second core mold into the tube.

In addition, the method of manufacturing a two-piece cap type two-tube container according to the present invention has an effect that the cap surface is separated from the upper movable mold by the compressed air, thereby preventing abrasion of the cap surface due to ejector separation.

In addition, in the method of manufacturing a two-piece tube with a cap according to the present invention, the cap roller is closely contacted with the upper surface of the cap by the advancing of the cap roller so that the cap is hingedly rotated by the hinge to be positioned on the upper part of the shoulder, There is an effect that no surface abrasion occurs.

In addition, according to the method of manufacturing a two-piece tube with a cap according to the present invention, the cap engagement pin pushes the top surface of the cap tightly by advancing the cap roller, and the cap automatically closes the tube, thereby reducing attraction due to sealing of the tube .

In addition, the cap-integrated two-space tube container of the present invention can be manufactured by injection molding a cap, neck, shoulder, and hinge integrally at the same time with polyethylene, polypropylene, polyvinylidene chloride, ethylene vinyl alcohol copolymerization, polyamide, or polyvinyl acryl, Polypropylene, polyvinylidene chloride, ethylene vinyl alcohol copolymerization, polyamide or polyvinyl acrylic tube, and separating wall are integrated with the shoulder, thereby having a good binding force.

1: Manufacturing method of the present invention.
2 is a state diagram of the tube forming step of the present invention.
3 is a state diagram of the tube printing step of the present invention.
4 is a state diagram showing the core mold inserting step of the present invention.
Figure 5: State diagram of the injection stage of the present invention.
Figure 6 is a state diagram of the cap separating step of the present invention.
7 is a state view showing the core mold rotating step of the present invention.
8 is a state diagram of the cap rotating step of the present invention.
Figure 9: state view of the cap sealing step of the present invention.
10 is a perspective view of the cap-integrated two-space tube container manufactured by the manufacturing method of the present invention.

A method for manufacturing a two-piece cap type two-dimensional tube container according to the present invention comprises the steps of: forming a tube (70) in an extrusion die (10); forming a shape or letter on the outer surface of the tube (S30) for placing the printed tube (70) in the injection mold (30), and inserting the core mold (33) into the inside of the enfolded tube (70) A core mold inserting step (S40) of inserting the core 60, the neck 64, the shoulder 65 and the hinge 63 into the core mold insertion step S40, An injection step S50 for injecting a vinyl acrylic resin into the tube 70 and integrating the tube 70 with the tube 70, a take-out step S60 for taking out the tube container 50 molded from the injection mold 30, And a sealing step (S 70) of joining the lower ends of the first and second plates (50, 50).

The tube forming step S 10 is a step of forming the tube 70 by joining the inner mold 12 and the outer mold 11 of the extrusion mold 10 with the surface of the extrusion mold 10, Polypropylene, polyvinylidene chloride, ethylene vinyl alcohol copolymerization, polyamide or polyvinyl acrylic resin is extruded to extrude a tube 70 in which the separator plate 71 is integrally formed.

The tube forming step S 10 is a step of forming the tube 70 in the extrusion die 10 by using a polyethylene, polypropylene, polyvinylidene chloride, ethylene vinyl alcohol copolymerization, polyamide or polyvinyl acrylic tube 70, A tube extrusion step (S 11) for extrusion molding, and a tube cutting step (S 12) for cutting the formed tube (70) to a required length.

The tube forming step S 10 is a step in which the pellet-shaped polyethylene, polypropylene, polyvinylidene chloride, ethylene vinyl alcohol copolymerization, polyamide or polyvinyl acrylic resin raw material is melted in a liquid phase and is passed through the extrusion die 10 A tube 70 formed integrally with a separator plate 71 of a Taeguk-gun type which is integrally formed with a cylinder and a cylinder is formed, and the formed tube 70 is cut to a required length.

The tube extrusion step S11 is a step in which the molten resin injected through the injection path 14 flows along both sides of the resin supply groove 13 and the separating wall 12-1 and flows from the bottom of the inner mold 12 And are formed into an integral tube 70 by extrusion of molten resin.

The tube extruding step S11 is a step of extruding the polyethylene, polypropylene, polyvinylidene chloride, ethylene vinyl alcohol copolymerization, polyamide or polyvinyl acrylic molten resin through the injection grooves 14 of the extrusion die 10 into the resin supply grooves 13 so that the molten resin injected into the injection path 14 is fed forward along the both sides of the resin supply groove 13 and downward along the separation wall path 12-1 so that the molten resin injected to the upper side of the extrusion mold 10 The tube 70 having the 'S' shaped separation plate 71 is discharged to the outside.

The extrusion die 10 includes an outer mold 11 having a cylindrical inner circumferential surface and an injection path 14 penetrating the inside and outside of the outer mold 11, And an inner mold 12 having a cylindrical outer circumferential surface formed at the center of the cross section and having a cylindrical outer circumferential surface smaller in diameter than a cylindrical inner circumferential surface of the outer mold 11. [

A molding portion 15 having a predetermined space is formed between the inner circumferential surface of the outer mold 11 and the outer circumferential surface of the inner mold 12. The molten resin The injection path 14 is formed.

The molten resin injected from the injection path 14 is injected into the molding part 15 so as to be uniformly distributed on the outer circumferential surface of the inner mold 12, A supply groove 13 is formed in the inner mold 12 and an S-shaped separating wall 12-1 is formed so as to communicate with the resin supply groove 13. Inside the inner mold 12, The cooling water passage 12-2 is configured in the longitudinal direction to cool the heat.

That is, in the state where the outer mold 11 and the inner mold 12 are coupled to each other, the forming portion 15 and the separating wall 12-1 are formed in the shape of a taekwondo pattern, A cooling water passage 12-2 is formed in each of the right and left inner sides of the upper and lower cooling water passages 12-1 and 12-2 so that one of the upper and lower cooling water passages 12-2 receives cooling water, The cooling water absorbs and discharges the heat of the molten resin while allowing the cooling water to flow in and out, thereby cooling the inner and outer dies (11, 12).

The tube extrusion step S11 is a step in which the molten resin injected through the injection path 14 flows along both sides of the resin supply groove 13 and the separating wall 12-1 and flows from the bottom of the inner mold 12 And are formed into an integral tube 70 by extrusion of molten resin.

As described above, by extrusion molding of polyethylene, polypropylene, polyvinylidene chloride, ethylene vinyl alcohol copolymerization, polyamide or polyvinyl acrylic resin, polyethylene, polypropylene, polyvinylidene chloride, ethylene vinyl alcohol copolymerization, polyamide or polyvinyl acrylic The tube 70 and the separator plate 71 are extruded into a membrane tube and a thin film separation wall having a thickness of about 0.3 mm to 0.7 mm while maintaining the mechanical properties of the polymer, (71) is increased in flexibility so that the creamy material in two spaces can be easily drawn out.

Since the tube 70 formed in the tube extrusion step S 11 has residual heat and is difficult to cut, a tube cutting step S 12 is performed to cut the tube 70 to a required length after cooling.

The tube cutting step S 12 is a step of cutting the tube 70 formed in the tube forming step S 10 by cooling or cooling the tube 70 by air cooling or water cooling and then irradiating the tube 70 with a laser beam or other cutter, 70 is cut to a required length.

A tube printing step S 20 of drawing a formed tube 70 out of the tube forming step S 10 and printing a figure or character on the outer surface of the tube 70 is performed, Is a step of printing a figure or a letter on the outer surface of the tube 70 by the screen printing apparatus 20 and the ink is sprayed on the screen 22-2 on which a character or pattern to be printed is formed and is fed by the squeegee 26 The screen 22-2 is brought into close contact with the tube 70 and the figure or character is printed on the outer surface of the tube 70 by linear movement of the screen 22-2 and rotation of the tube 70. [

The tube printing step S 20 is a step in which the squeegee 26 is moved from the screen 22-2 to the screen 22-2 while the outer peripheral speed of the tube 70 is moved at the same speed by the linear movement speed of the screen 22-2 and the rotation of the tube 70, 2 is printed on the outer circumferential surface of the circular tube 70 by printing the characters on the screen 22-2 and characters or patterns corresponding to the characters or patterns of the screen 22-2.

The screen printing apparatus 20 includes a rodless cylinder 24 having a moving distance controlled by a left / right sensing sensor (not shown) and a controller (not shown) above the frame 21, a rodless cylinder (Not shown) of a piston (not shown) of a motorcycle (not shown), and supports a screen 22-2 and a screen 22-2 which are connected to each other by a support frame A screen assembly 22 composed of a screen plate 22-1 is constructed.

A drive roller 23 and a tilting roller 27 for rotatably supporting the cylindrical tube 70 constituted below the front surface of the frame 21 and the lower portion of the screen assembly 22, (Not shown) for rotating the squeegee 26, which is configured in the frame 21 and is located at the top of the screen assembly 22 to bring the screen 22-2 into close contact with the cylindrical tube 70 ).

The screen assembly 22 is installed on the upper side of the frame 21 so as to be movable laterally by a rodless cylinder 24, ink is sprayed on the upper surface of the screen 22-2, Is connected to the motor by the power transmission belt 42 and the pivoting roller 27 is installed in the frame 21 in an idle state.

A guide rod 29 is vertically slidably inserted into a guide pipe 28 vertically fixed to a front center portion of the frame 22 and is fastened to the guide pipe 28 by bolts and nuts passing through a connecting piece The height of the driving roller 23 and the rotating roller 27 is adjusted so that the tube 70 can be printed irrespective of the diameter of the tube 70.

The controller includes a rodless cylinder 24 for operating the screen assembly 22 to the left and right and an air cylinder 25 for actuating the sensing sensor and squeegee 26 to control the horizontal travel distance of the screen assembly 22 up and down, And controls them by the operation of the buttons so that the screen printing operation is performed on the outer surface of the tube 70. [

When the controller is actuated by the operation of the button while the tube 70 is positioned between the driving roller 23 and the pivoting roller 27, the air cylinder 25 descends downward, 22-2 are pressed so that the screen 22-2 is brought into close contact with the tube 70.

When the screen 22-2 is brought into close contact with the tube 70, the motor is driven to rotate the driving roller 32. At the same time, the circular tube 70 is rotated. When the tube 70 rotates, The squeegee 26 is moved to the upper side of the screen 22-2 while the screen plate 22-1 is moved in one direction at the same speed as the rotation speed of the tube 70 by the operation of the rodless cylinder 24, The ink is pushed toward the tube 70 through the print pattern of the screen 22-2 while scratching the surface so that the surface of the circular tube 70 is partially or entirely covered with a letter corresponding to the print character or pattern of the screen 22-2 Or a pattern is printed.

The squeegee 26 is lifted by the air cylinder 25 and guided by the screen plate 22-1 so that the screen plate 22-1 moves in one direction to perform screen printing on the outer surface of the tube 70, 22-1 move in the other direction by the rodless cylinder 24, and when it comes to the starting point, the operation of waiting for the next operation is repeated by sensing the other side sensor.

A tube setting step S30 is carried out in which the tube 70 printed in the tube printing step S 20 is placed on an injection mold 30 having a separate configuration, The upper movable mold 31 of the mold 30 is placed on the upper surface of the tube 70 and the side movable mold 32 is placed on the upper surface of the tube 70.

The tube setting step S30 is performed by moving the upper movable mold 31 and the side movable molds 31 and 32 to the upper portion of the tube 70 so that the molding path in which the cap 60 and the hinge 63 are formed in the injection mold 30 is formed, 32, and placing the printed tube 70 on the injection mold 30.

The core mold inserting step S40 is a step of inserting the core mold 33 into the inside of the tube 70 to form the molding path 40 in which the shoulder 65 and the neck 64 are formed The molding die 40 for inserting the core metal mold 33 into the inner surface of the tube 70 and forming the shoulder 65 and the neck 64 with the tube 70 held in the stationary mold 34 And the upper movable mold 31 is placed on the upper outer surface of the core mold 33 so as to be constituted.

That is, the upper movable mold 31 and the side movable mold 32 are slightly spaced apart from the upper surface of the core metal mold 33 and protrude slightly into the upper surface of the tube 70, The upper surface of the tube 70 and the shoulder 65 are integrated with each other.

The injection mold 30 includes a core mold 33, a movable mold, a stationary mold 34, an upper mold (not shown), a lower mold (not shown), and a core pushing plate And a gate block (gate blocK).

The molds include a stationary mold 34 fixed to the main body of the injection molding machine and a core mold 33 separated from the injection molding machine main body so as to be in close contact with and close to the stationary mold 34 during operation, Mold.

The core mold 33 is installed on a mounting surface of a mold of a movable platen (not shown), and can be manufactured by separating the core and the slide core. The upper mold, the lower mold, the core plate, Some molds may be omitted or another molds may be added.

 The movable mold is composed of an upper movable mold 31 and a side movable mold 32 which are reciprocally movable forward and backward with respect to the stationary mold 34 and linearly moved by an air cylinder or the like, Which are slidably inserted into the inner surface of the tube 70 by rectilinear motion reciprocating back and forth by an actuator such as a hydraulic cylinder and are respectively separated from the fixed mold 34 at a predetermined angle while being rotated at a predetermined angle by a motor, The first core die 33-1 and the second core die 33-2.

The core mold inserting step S40 is performed by inserting the first and second core dies 33-1 and 33-2 having one side 'S' outside the inside of the tube 70, A first core mold inserting step (S40) of inserting the outer surface of 'S' of the first core mold (33-1) in such a manner that the outer surface of the 'S' And a second core mold inserting step (S40) of inserting the outer surface of 'S' of the first mold 33-2 in close contact with the other side surface of the separator plate 71. [

That is, in the core mold inserting step (S40), the first core mold 33-1 is inserted into any one of the spaces divided into two spaces in the inside of the tube 70, -1), and the first core metal 33-1 is inserted after the insertion of the first core metal 33-1. A second core metal mold 33-2 is inserted into another space inside the tube 70 so that the outer surface of the second core metal mold 33-2 has a half of the cylindrical surface of the tube 70 To be embraced by the separating wall.

The core mold inserting step S40 is a step in which the first core mold 33-1 and the second core mold 33-2 are sequentially inserted into the two spaces of the inside of the tube 70, -1) and the second core metal mold 33-2 are integrated, that is, the upper portions of the first core metal mold 33-1 and the second core metal mold 33-2 are divided and the lower portion is integrally formed by the core pressure plate The first core mold 33-1 and the second core mold 33-2 are inserted into the first core mold 33-1 and the second core mold 33-2 rather than the two spaces inside the tube 70 are inserted, 33-2 can be easily inserted.

When the first core metal mold 33-1 and the second core metal mold 33-2 are simultaneously inserted into two spaces inside the tube 70, the thickness of the separator plate 71 and the thickness of the first core metal mold 33-2 33-1 and the second core mold 33-2 are the same or slightly different from each other, the separator plate 71 is not tense and a resistance is generated and it is difficult to insert the first core mold 33-2. 1 and the second core mold 33-2 are sequentially inserted, the resistance of the separating plate 71 is small when the first core metal 33-1 is inserted, and the first core metal 33- 1, the resistance of the separation plate 71 is not generated by inserting the second core metal 33-2 in a state where the separation plate 71 is tense.

The upper movable mold 31 and the side movable mold 32 can be variously configured as needed and are divided into a first side machining mold and a second side machining mold by the first upper movable mold and the second upper movable mold, .

The first upper movable mold and the second upper movable mold are mutually movable relative to each other. After the first upper movable mold and the second upper movable mold are separated from each other by the stationary mold 34, the second upper movable mold The upper movable mold may be separated again from the first upper movable mold, and the relative movement between the first and second upper movable molds may be performed sequentially or concurrently, or the upper movable mold may be composed of three or more.

The side movable mold 32 may also be constituted by a first side machining mold and a second side machining mold like the upper movable mold, and the description thereof is omitted because it is the same as the first upper movable mold and the second upper movable mold.

The controller controls the injection molding machine so that the cap 60 and the hinge 63 are injected at a predetermined thickness during the injection molding while the upper movable mold 31 and the side movable mold 32 are linearly moved The first and second core dies 33-1 and 33-2 are held so that the distance between the upper movable die 31 and the first and second core dies 33-1 and 33-2 is maintained at a predetermined interval so that the shoulder 65 is injected at a predetermined thickness, 1 and 33-2 are moved linearly toward the upper movable mold 31. [

The fixed mold 34 is coupled to an injection molding machine main body and the upper movable mold 31 is coupled to one side of the stationary mold 34 and reciprocates linearly by an actuator such as a hydraulic cylinder, A molding path 40 corresponding to the outer shape of the cap 60, the hinge 63, the shoulder 65 and the neck 64 is formed on one side and a molten resin is injected into the molding path 40 .

The melting furnace of the upper movable mold 31 is connected to an extruder for melting and extruding the molten resin, and an injection nozzle is formed in the upper movable mold 31 between the melting furnace and the extruder.

One side of the stationary mold 34 and the upper movable mold 31 are coupled to one side of the lower stationary mold 34 and are reciprocatingly linearly moved by an actuator such as a hydraulic cylinder, (40) corresponding to the outer shape of the cap (60) and the hinge (63) is formed on one side of the hinge (31)

Meanwhile, the side movable mold 32 is pressurized with compressed air flowing through the compressed air supplied from the compressed air device 32-2 to separate the injected cap 60 from the upper surface of the side movable mold 32 So that the cap 60 injected by the injection of the compressed air is released from the side movable mold 32.

A through hole is formed at the center of the side movable mold 32. A cap ejector 35 is inserted into the through hole and the cap ejector 35 linearly and reciprocally moves by an actuator such as a hydraulic cylinder.

The core mold 33 is used to form the shoulder 65 and neck 64 of the tube container 50 and the upper surface corresponds to the outer shape corresponding to the outer shape of the shoulder 65 and neck 64 And the molding passages 40 corresponding to the outer shapes of the shoulders 65 and the neck 64 of the stationary mold 34 are formed.

The molding furnace 40 is a space formed by a combination of the upper movable mold 31, the side movable mold 32, the first core mold 33-1 and the second core mold 33-2, The molten resin is filled to allow the cap 60, the hinge 63, the shoulder 65 and the neck 64 to be molded.

The shape of the molding path 40 of the injection mold 30 may be different depending on the shape and size of the cap 60, the hinge 63, the shoulder 65 and the neck 64 to be manufactured And can be detachably attached to the required portions of the upper movable mold 31, the side movable mold 32, the first core mold 33-1, and the second core mold 33-2 with an inner mold.

 The injection step S50 is performed after the core mold inserting step S40 and the injection step S50 is carried out in such a manner that the neck 64, the shoulder 65, the hinge 63 and the cap 60 are made of polyethylene, poly Propylene, polyvinylidene chloride, ethylene vinyl alcohol copolymerization, polyamide or polyvinyl acrylic resin, and is molded integrally with the tube 70.

The injection step S50 includes a neck 64 penetrating the upper portion of the tube 70, a shoulder 65 inclined integrally with the neck 64, and a hinge 63 formed integrally with the shoulder 65 And a cap 60 integrally formed with the hinge 63 and opening and closing the neck 64 is injection molded by polyethylene, polypropylene, polyvinylidene chloride, ethylene vinyl alcohol copolymerization, polyamide or polyvinyl acrylic resin So that it is integrated with the tube 70.

That is, the injection step (S50) may be performed by injection molding with polyethylene, polypropylene, polyvinylidene chloride, ethylene vinyl alcohol copolymerization, polyamide or polyvinyl acrylic resin to form an exhaust hole A hinge 63 integrally formed with the shoulder 65 and a hinge 63 integrally formed with the hinge 63. The shoulder 65 is formed integrally with the neck 64 downwardly and is inclined, A cap 60 in which the upper portion is closed and the lower portion is opened and a cylindrical engagement portion 62 integrally projecting on the inner surface of the upper center of the cap 60 and opened at the lower portion is integrally formed of polyethylene, Vinylidene chloride, ethylene vinyl alcohol copolymerization, polyamide or polyvinyl acrylic resin, and is molded integrally with the tube 70.

The extraction step S60 is carried out after the injection step S50 and the extraction step S60 separates the cap 60 from the side movable mold 32 as compressed air in the integrated tube 70 , The tube 70 is separated from the core mold 33 and the tube container 50 molded from the injection mold 30 is taken out.

In the taking-out step S60, after the upper movable mold 31 is moved backward, the cap 60 is separated from the upper movable mold 31, and the side movable mold 32 horizontally moves away from the tube 70 The core mold is rotated and the tube 60 is taken out of the tube container 50 while the tube 70 is closed.

 The take-out step S60 includes a step of moving back the upper movable mold S61, a cap removing step S62, a side movable mold separating step S63, a core mold rotating step S64, a cap rotating step S 65 and a cap sealing step (S66).

The upper movable mold backward step S61 is a step of moving the upper movable mold 31 of the injection mold 30 to the cap 60, the neck 64, the shoulder 65, and the injection mold 30, which are injection molded by an actuator such as a hydraulic cylinder, And one side of the hinge 63 are exposed.

In the upper movable mold backward step S61, the control unit drives an actuator such as a hydraulic cylinder to move the upper movable mold 31 backward, thereby moving the side movable mold 32, the first core mold 33-1, Neck 64 and shoulder 65 as steps for releasing from injection molded cap 60, neck 64, shoulder 65 and hinge 63 away from mold 33-2. The upper movable mold 31 is moved backward when a predetermined curing time has elapsed in a state in which the hinge 63 and the hinge 63 are injection molded.

The cap separating step S62 is a step in which the cap ejector 35 inserted into the side movable mold 32 is retreated by a predetermined distance after the upper movable mold is retreated (S61) So that the compressed air blown by the compressed air device 32-2 formed on the outside is blown to the compressed air path 32-1 to separate the cap 60 from the upper movable mold 31 .

The side movable mold 32 is formed with a through hole that passes through the molding path 40 on which the cap 60 is formed and a cap ejector 35 that reciprocates linearly by an actuator such as a hydraulic cylinder And a compressed air passage 32-1 through which the bottom of the through hole and the upper surface of the side movable mold 32 penetrate are formed.

The cap ejector 35 is retracted at a predetermined distance by the actuator, that is, the compression air path 32-1 is retracted to a distance that the compressed air path 32-1 is exposed in the through hole and the compressed air path 32-1 is exposed, The compressed air in the air device 32-2 is sprayed onto the adhered surface of the molded cap 60 adhered to the side movable mold 32 via the compressed air path 32-1 and is then injected into the cap 60 ) From the side movable mold (32).

The side movable mold separating step S63 is a step of completely moving the side movable mold 32 from the tube 70 by moving the side movable mold 32 up or horizontally after the cap removing step S62 .

The side movable mold separating step S63 is released from the molded and hinged portion 63 of the tube 70 and the cap 60 and the hinge 63 are freed and the cap 60 is released from the shoulder 65 The shoulder 65 is held by the first core metal mold 33-1 and the second core metal mold 33-2 and the first core metal mold 33-1 is held by the first core metal mold 33-1, And the rotation of the second core metal mold 33-2 are made smooth.

 The core mold rotating step S64 is a step in which the core mold 33 is moved at a predetermined rotation angle after the side movable mold separating step S63 and then deviated from the upper movable mold 31. [

The core mold rotating step S64 may cause the core metal mold 33 to deviate from the upper movable mold 31 so as to avoid the interference of the upper movable mold 31 during a subsequent operation by the cap roller 36 or the like.

The first core metal mold 33-1 and the second core metal mold 33-2 are formed in a manner such that the first core metal mold 33-1 and the second core metal mold 33-2 And a V-pulley or the like connected to a belt or the like for rotational driving of the first core mold 33-1 and the second core mold 33-2.

The V-pulley or the like is rotated by a rotational drive unit of a rotating device such as a motor separately provided in the main body of the injection molding machine, (33-2) at a rotation angle.

In the core mold rotating method, if the first core mold 33-1 and the second core mold 33-2 are formed in an index and the index is rotated at a predetermined angle, for example, 90 °, 33-1 and the second core mold 33-2 are rotated at a certain angle around the lower portion.

In the cap rotation step S65, after the core mold rotation step S64, the cap roller 36 is advanced by the actuator such as a hydraulic cylinder by advancing the cap roller 36 so as to closely contact the upper surface of the cap 60 And the cap 60 is hinged by the hinge 63 so as to be positioned above the shoulder 65.

Is hinged to an end of a bar reciprocating linear motion in the transverse direction of the first core mold 33-1 and the second core mold 33-2 by an actuator such as a hydraulic cylinder separately formed in the injection molding machine main body A cap rotating device constituted by a cap roller configured to be rotatable is constituted.

The cap rotation step S65 is a step in which when the bar is electrically charged by the operation of the actuator, the cap roller formed at the tip of the bar closely contacts the upper surface of the cap 60, The hinge 63 is rotated around the hinge 63 so as to be positioned above the shoulder 65, and then the bar is moved backward to return to the original position.

The cap sealing step S66 is performed such that the cap engaging pin 37 is moved forward and backward by the actuator such as a hydraulic cylinder after the cap rotating step S65 to close the upper surface of the cap 60 So that the cap 60 seals the tube 70.

A cap coupling bar for linearly reciprocating in the longitudinal direction of the first core mold 33-1 and the second core mold 33-2 is constituted by an actuator such as a hydraulic cylinder separately formed in the injection molding machine main body.

When the cap coupling bar is electrically charged by the operation of the actuator, the tip of the cap coupling bar presses the upper surface of the cap 60 so that the cap 60 rotates about the hinge 63 Thereby sealing the tube 70 at the upper portion of the cap 60. When the cap 60 is closed, the cap coupling bar is moved backward and returns to the original position.

The sealing step S70 is a step of melting and pressing the tube container 50 taken out after the take-out step S60 to integrally join the lower end part of the container body.

After the taking-out step (S60), after putting each of the two spaces of the container body in a separate cream type filling material, for example, one space, the miso paste is filled in another space and then the lower part of the container body is integrally formed A sealing step (S 70) is performed in which the sealing portion 72 is melted and pressurized and bonded.

That is, in the sealing step (S 70), the lower end portion of the container body or tube 70 is melt-press-molded so that the container body and the separating plate 71 are integrally formed so that the container body and the separating plate 71 are integrated, do.

The tube container 50 manufactured by the above manufacturing method is composed of a tube 70 and a cap 60. The tube 70 is divided into a separation plate 71, a sealing portion 72, a neck 64, (65), and a hinge (63).

The tube 70 is formed by extruding an S shape separator 71 integrally with the inner surface of the tube 70 and the cap 60 is formed by a cap body 61 and an engaging portion 62 The cap 70 and the cap 60 and the neck 64 and the shoulder 65 and the hinge 63 are simultaneously injection molded so that the tube 70, the cap 60, the neck 64 and the shoulder 65 .

The tube 70 is formed in a cylindrical shape, and the inside thereof is divided into two spaces by the separating plate 71 so that two types of creamy substances, for example, red pepper paste and miso paste, can be accommodated.

 And a shoulder 65 formed integrally with the neck 64 from the lower side of the cylindrical neck 64 formed with an exhaust hole penetrating the upper portion of the tube 70 and formed in a slightly inclined shape.

The neck 64 may have a cylindrical shape and may be injection molded on the upper end of the tube 70 and integrally formed with the tube 70. The outer periphery may be a one-touch groove or a one-touch projection, A discharge hole for discharging the filler, that is, a cream type filler, is formed so that the discharge hole is completely opened or closed to discharge or prevent the cream type content.

The hinge 63 is integrally formed with the upper portion of the tube 70 and the other end is formed integrally with the cap body 61 and protrudes inward or outward from the tube 70 to form a rectangular or rectangular cross- Shaped so as not to be detached from the tube 70 when the neck 64 is opened.

The cap body 61 is integrally formed with the hinge 63 and has an upper portion closed and a lower portion opened. The tube 70 is attached to and detached from the upper portion of the tube 70, So that the neck 64 and the shoulder 65 are exposed or protected.

The coupling portion 62 is integrally formed on the inner surface of the upper center of the cap body 61 and has a cylindrical shape with the lower portion thereof opened so that the cap body 61 seals the neck 64 and the shoulder 65 So that the neck 64 is closed so that the cream-type filling material filled in the tube 70 is not discharged to the outside.

The shoulder 65 is configured to have a seating end 66 that is tapered about an edge that meets the tube 70 and a cap body 60 is disposed on the cap body 61 when sealing the neck 64 of the tube 70. [ Is seated on the seating end (66).

The seating end 66 has a diameter that is slightly larger than the diameter of the cap body 61 so that when the cap 60 closes the neck 64 the cap body 61 is forced into engagement with the seating end 66 So that the cap 60 does not come off from the tube 70 by itself.

The opening groove 67 has a predetermined length in the longitudinal direction of the tube at the seating end 66 and has a lower depth as the distance from the seating end 66 coincides with the outer circumferential surface of the tube 70.

The opening groove 67 is configured such that the lower end of the cap body 61 protrudes from the upper end of the seating end 66 when the cap 60 seals the neck 64 due to a deeper depth at the seating end 66, An opening groove 67 is formed when the cap 60 opens the cap 60 after sealing the neck 64 and the shoulder 65 so that an external force is applied to the lower end portion of the cap body 61 protruding from the seating end 66 So that the cap 60 is opened.

After the filling of the tube 70 with the cream type filling material, the lower end sealing portion 72 of the tube 70 is melted and pressed to join the lower end portion of the tube 70.

Although the present invention has been described in detail with reference to the specific embodiments thereof, various changes and modifications may be made without departing from the scope of the present invention.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined by the equivalents of the claims, as well as the claims.

10: extrusion die 11: outer die
12: Inner mold 12-1: Separation wall
12-2: Cooling water line 13: Resin supply groove
14: injection path 15: forming part
20: Screen printing device 21: Frame
22: Screen assembly 22-1: Screen plate
22-2: Screen 23: Drive roller
24: rodless cylinder 25: air cylinder
26: squeegee 27: pivoting roller
28: guide tube 29: guide rod
30: injection mold 31: upper movable mold
32: side movable mold 32-1: compressed air
32-2: Compressed air device 33: Core mold
33-1: first core mold 33-2: second core mold
34: stationary mold 35: cap ejector
36: cap roller 37: cap engagement pin
40: Molding furnace 50: Tube container
60: cap 61: cap body
62: engaging portion 63: hinge
64: neck 65: shoulder
66: seat 67: open groove
70: tube 71: separation wall
72: sealing portion

Claims (10)

A method of manufacturing a two-space tube container with a cap,
Polyurethane, polyvinylidene chloride, ethylene vinyl alcohol copolymerization, polyamide (polyvinylidene chloride) copolymer, polyvinylidene chloride (PVDF), polyvinylidene chloride Or a tube forming step (S 10) of extruding a polyvinyl acrylic resin to extrude a tube (70) integrally formed with the separating plate (71);
A tube printing step (S 20) of printing a figure or a character on the outer surface of the formed tube (70) by a silk screen printing method or the like;
The upper movable mold 31 and the side movable mold 32 are placed so as to form the molding path 40 in which the hinge 63 and the cap 60 are formed in the separate injection mold 30, (S30) for placing the injection mold (30) on the injection mold (30);
A core mold inserting step (S40) for inserting a core mold (33) into the inside of the tube (70) to form a molding path (40) in which a shoulder (65) and a neck (64) are formed;
A neck 64 penetrating the upper portion of the tube 70 after the core mold inserting step S40, a shoulder 65 inclinedly formed integrally with the neck 64, and a hinge constituted integrally with the shoulder 65 And a cap 60 which is integrally formed with the hinge 63 and opens and closes the neck 64 is made of polyethylene, polypropylene, polyvinylidene chloride, ethylene vinyl alcohol copolymerization, polyamide or polyvinyl acrylic resin, An injection step (S50) of injecting and molding the mixture into the tube (70);
The cap 60 is separated from the side movable mold 32 as the compressed air in the integrated tube 70 and the tube 70 is separated from the core mold 33 and the tube container molded from the injection mold 30 (S60) for taking out the plurality of suction ports (50);
And a sealing step (S 70) of melt-pressing and joining the extracted tube container (50) integrally with the lower end portion of the container body;
Wherein the tube (70), the cap (60), the neck (64), the shoulder (65) and the hinge (63) are integrally formed.
The method according to claim 1,
The tube forming step S 10 is a step of forming the tube 70 in the extrusion die 10 by using a polyethylene, polypropylene, polyvinylidene chloride, ethylene vinyl alcohol copolymerization, polyamide or polyvinyl acrylic tube 70, (S11) for extruding a tube, and a tube cutting step (S12) for cutting the formed tube (70) to a required length.
The method according to claim 1,
The core mold inserting step S40 is performed by inserting the first and second core dies 33-1 and 33-2 having one side 'S' outside the inside of the tube 70, A first core mold inserting step (S40) of inserting the outer surface of 'S' of the first core mold (33-1) in such a manner that the outer surface of the 'S' And a second core mold inserting step (S 40) for inserting the outer surface of the 'S' of the first core block (33-2) in close contact with the other side surface of the separator plate (71);
Wherein the core mold (33) is easily inserted into the tube (70) by successively splitting the first core mold (33-1) and the second core mold (33-2) Method of manufacturing a tube vessel.
The method according to claim 1,
The take-out step S60 is a step in which the upper movable mold 31 of the injection mold 30 is moved backward by an actuator such as a hydraulic cylinder and is injection molded into the cap 60, the neck 64, the shoulder 65, (61) in which one side of the upper movable mold (63) is exposed.
5. The method of claim 4,
The take-out step S60 is a step in which the cap ejector 35 inserted through the side movable mold 32 is retreated by a predetermined distance after the upper movable mold returning step S61, (S 62) for blowing the compressed air blown by the compressed air device externally configured to be exposed to the insertion hole to the compressed air path 32 - 1 to separate the cap 60 from the upper movable mold 31 Wherein the tube-shaped two-space-tube-container-manufacturing method comprises the steps of:
6. The method of claim 5,
The taking-out step S60 is a step of removing the side movable mold 32 completely from the tube 70 by moving the side movable mold 32 up or horizontally after the cap removing step S62, (S63). ≪ / RTI >
The method according to claim 6,
The take-out step S60 includes a core mold rotating step S64 for moving the core mold 33 to a predetermined rotation angle after the side movable mold separating step S63 and then moving the upper mold 31 away from the upper movable mold 31 Wherein the tube-shaped two-space tube container manufacturing method comprises the steps of:
8. The method of claim 7,
In the taking out step S60, after the core mold rotating step S64, the cap roller 36 is moved by the actuator of the hydraulic cylinder or the like to move the upper surface of the cap 60 through the cap roller 36, (S65) to cause the cap (60) to be positioned above the shoulder (65) while being hinged by the hinge (63).
9. The method of claim 8,
The take-out step S60 is a step in which after the cap rotation step S65, the cap coupling pin 37 is moved forward by the actuator such as a hydraulic cylinder by the cap roller 36 to closely contact the upper surface of the cap 60, Comprises a cap sealing step (S 66) for sealing the tube (60) to seal the tube (70).
A two-space cap tube-integrated container manufactured by the cap-integrated two-space tube container manufacturing method according to any one of claims 1 to 9.

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