KR20130102753A - Cube injection mold simultaneous possible multi-extraction as well as multi-injection and the injection method thereof - Google Patents

Abstract

The multi-injection and multi-outjection cube injection molds of the present invention are clamped on the fixed side and the moving side of the injection machine by combining the first and second cavities, respectively, to form a multi-cavity for molding the appearance of the product. Upper and lower molds; Upper and lower hot runner systems each of which is formed in the first and second cavities in the upper and lower molds and includes a hot runner valve and serves as a flow inlet of the injection resin; A cube-shaped block positioned between the upper and lower molds and rotating and retracting, which is formed and separated from the first and second cavities, and is separated from the first and second cavities in the block. It has a first core (Core), a second core, a third core, a fourth core constituting a part, the outer side is provided with a cube plate (cube plate) to form an associated part, the upper and lower parts respectively located in the upper and lower molds A cube block connecting the hot runner system and a cube block on which a hot runner system is formed; It is installed on the top of the cube block and equipped with an actuator (Actuator) for pivoting the rotation operation of the cube block by 360 degrees by 90 degrees, the injection molding and ejection proceeds at the same time, after a certain cooling time during the injection mold after opening the mold The cube block is rotated by 90 degrees by the actuator, and after injection molding and ejection are repeatedly performed.
In addition, the cube injection method of the multi-injection and multi-outtake of the present invention, the upper mold and the lower mold are mold-molded on the opposite side and the other side of the cube block rotated in the pre-heated state, respectively, the first cavity When the second cavity is formed, the resin is injected into the first cavity and the second cavity through the upper hot runner system of the upper mold and the cube block hot runner system of the cube block, and through the lower hot runner system of the lower mold, respectively. An initial injection molding step of forming an injection molded product by cooling to a transition temperature; After the injection molding is molded, the mold is opened, the upper mold, the lower mold, and the cube block are opened, the mold is separated and cooled to a takeable temperature. The cube block is rotated 90 degrees on the cube plate and the upper mold, the lower mold, and the cube block are opened. Cube block rotation step of forming and closing; The upper mold, the lower mold and the cube block are formed by joining the resin through the upper hot runner system of the upper mold and the cube block hot runner system of the cube block in the first cavity and the second cavity formed through the resin. The injection molding is carried out to cool down to a transition temperature, and the injection molding is performed, and at the same time, the injection-molded injection product is taken out of the cube block, and a multi-injection and multi ejection step of continuously repeating the cube block rotation step is performed.
The present invention comprises four cores in a cube block that is a cube-shaped block that can be rotated and retracted, and combined into two cavities including a hot runner valve. In this way, injection molding and ejection proceed at the same time, and the cube block is rotated 90 degrees by the actuator after mold opening, and injection molding and ejection are repeatedly injected after molding, so that multiple injection and multiple ejection are performed simultaneously. It is possible to make continuous production, and to simultaneously cool / take out the injection can greatly reduce the cycle time (Cycle-Time), thereby improving the productivity of work and products.

Description

Cube Injection Mold simultaneous possible Multi-Extraction as well as Multi-Injection and the Injection Method Thereof}

The present invention relates to a cube injection mold capable of simultaneous multi-injection and multi-outtake, and a method for manufacturing the same. More specifically, four cores are provided in a cube block, which is a block of a cube shape that can be rotated and retracted. By combining the two cavities (Hot Runner Valve), including the hot runner valve, injection molding and ejection at the same time, after opening the mold, the cube block is rotated 90 degrees by the actuator and injected after molding By repeating injection molding and taking out, multi injection and multi take out are possible at the same time, so that continuous production is possible and injection and simultaneous cooling and take out are possible, which greatly reduces the cycle time. The present invention relates to a cube injection mold and a method of manufacturing the same, which can simultaneously perform multi-injection and multi-outtake which greatly improve the productivity of the work and the product.

In general, the mold is composed of a main cavity (Main Cavity) having the appearance of the product of the upper mold, and a lower mold having a main core plate (Main Core) forming a part of the cavity by being combined with the upper mold. This conventional technology is a general known technique, and has a injection process such as mold mold closing → injection → holding pressure → cooling → mold opening → ejecting (Ejecting).

However, such a general mold is large according to the number of mold size products when one or more product cavities are implemented, and the mold clamping force is increased.

In addition, an injection molding machine capable of automatic production of a double molded article and a method of manufacturing a double molded article using the same, constituting four cavities in a square block for double injection, and the core part to mold and open the cavity is differently combined with the molding part to form an upper mold. And to constitute in the lower mold, the invention for producing a double molded article by rotating the injection of the square block consisting of the primary cavity and the secondary cavity during injection is known as a patent application No. 10-2008-0050592.

This conventional technology installs a flow inlet for injecting different dissimilar materials into the upper mold and the lower mold, performs double molding after the cavity and the mold in the square block, and by a moving table configured in the injection molding machine. The square block is rotated to repeat the double molding after molding. The portion of the rectangular block not molded to the upper mold and the lower mold is marked on the molded product, and the ejection portion is formed in the upper and lower molds. The purpose of the prior art is automatic production of a double molded article, the square block rotating method is a structure that rotates by mounting a separate moving table, and has the following injection process to inject the product. The process starts with the upper mold.

Initial process: mold closing → injection → holding pressure → cooling → mold opening → taking out (upper part biting) → mold rotation → mold closing → injection → holding pressure → cooling → mold opening → double product taking out; Marking work for injection of upper and lower molds

Continuous process: mold closing → injection → holding pressure → cooling → mold opening → taking out; Injection of the continuous process is top. Simultaneous injection of lower mold and 2 cavity marking

Such a prior art has a structure that does not have a rotating structure in the square block, an expensive moving table is required, and the injection molding machine also has a mold structure in which a double injection machine is used, and a cycle time is long for implementing and marking a double product.

In addition, a rotating mold apparatus and a method for manufacturing a molded article using the same, the prior art that constitutes a cavity for attaching the attachment member in the rectangular block and the forming part 4 cavity, the upper and lower mold opening and closing the cavity in the cavity. This patent application is known as 10-2008-0070965. Such a prior art has a structure in which the suction device is configured in the 4 cavity, the 2 cavity is attached to the attachment member, and the remaining 2 cavities are ejected in the state where the attachment member is mounted, and there is no separate ejection device. The purpose of this prior art has the following injection process to inject a product into a mold to attach the attachment member.

Continuous process: Mold mold closing (injector nozzle part movement) → injection → holding pressure → cooling → mold opening (injector nozzle part movement) → take out; Injection of continuous process is simultaneous injection of upper / lower mold and attachment of 2 cavity attachment member (worker manual attachment concept)

The purpose of this prior art is to attach and attach the attachment member to the square block, and the structure to configure a separate actuator so that a separate support block and the square block can rotate at the bottom of the square block, the motor is a component of the actuator And gears, shafts and the like are well known techniques in mechanical engineering. In addition, the actuator of the prior art can not confirm the support structure of the shaft as a concept structure. This prior art actuator is structured in a separate space.

This prior art has a problem that the injection-molding nozzle (nozzle) to advance and mold and mold closing during the injection molding in the mold, the cycle time (Cycle-Time) is increased, and the injection nozzle is repeated in the mold flow inlet continuously Due to the impact, there is a problem that cracks are generated by the flow inlet due to the metal fatigue limit.

The present invention is to solve the above problems, comprising four core (Core) in the cube block of the block (Cube) of the rotating and retractable form (Cube) and includes a hot runner valve (Hot Runner Valve) By combining the two cavities, injection molding and ejection proceed simultaneously, and the cube block is rotated 90 degrees by the actuator after mold opening. Injection and multi ejection are possible at the same time for continuous production, and injection and simultaneous cooling / dispensing are possible to greatly reduce cycle time, which greatly improves productivity of work and product. It is an object of the present invention to provide a cube injection mold and a method of manufacturing the same, which is capable of multi-injection and multi-outtake.

In order to achieve the above object, the multi-injection and multi-outtake cube injection method of the present invention, the upper mold and the lower mold, respectively on the opposite side and the other side of the cube block rotated in the state of preheating is respectively When the mold is closed and the first cavity and the second cavity are formed, the first and second cavities are respectively passed through the upper hot runner system of the upper mold and the cube block hot runner system of the cube block and through the lower hot runner system of the lower mold. An initial injection molding step of forming an injection molding by injecting a resin to achieve holding pressure and cooling to a transition temperature; After the injection molding is molded, the mold is opened, the upper mold, the lower mold, and the cube block are opened, the mold is separated and cooled to a takeable temperature. The cube block is rotated 90 degrees on the cube plate and the upper mold, the lower mold, and the cube block are opened. Cube block rotation step of forming and closing; The upper mold, the lower mold and the cube block are formed by joining the resin through the upper hot runner system of the upper mold and the cube block hot runner system of the cube block in the first cavity and the second cavity formed through the resin. The injection molding is carried out to cool down to a transition temperature, and the injection molding is performed, and at the same time, the injection-molded injection product is taken out of the cube block, and a multi-injection and multi ejection step of continuously repeating the cube block rotation step is performed.

In addition, the cube injection mold capable of multi-injection and multi-extraction simultaneously clamps the fixed and moving sides of the injection machine by combining the first and second cavities, respectively, to form a multi-cavity for molding the appearance of the product. Upper and lower molds; Upper and lower hot runner systems each of which is formed in the first and second cavities in the upper and lower molds and includes a hot runner valve and serves as a flow inlet of the injection resin; A cube-shaped block positioned between the upper and lower molds and rotating and retracting, which is formed and separated from the first and second cavities, and is separated from the first and second cavities in the block. It has a first core (Core), a second core, a third core, a fourth core constituting a part, the outer side is provided with a cube plate (cube plate) to form an associated part, the upper and lower parts respectively located in the upper and lower molds A cube block connecting the hot runner system and a cube block on which a hot runner system is formed; It is installed on the top of the cube block and equipped with an actuator (Actuator) for pivoting the rotation operation of the cube block by 360 degrees by 90 degrees, the injection molding and ejection proceeds at the same time, after a certain cooling time during the injection mold after opening the mold The cube block is rotated by 90 degrees by the actuator, and after injection molding and ejection are repeatedly performed.

As such, the present invention comprises four cores in a cube block that is a cube-shaped block that can be rotated and retracted, and comprises two cavities including a hot runner valve. By combining, the injection molding and ejection proceed at the same time, the cube block is rotated 90 degrees by the actuator after mold opening and the injection molding and ejection are repeatedly ejected after molding, thereby producing multi-shot and multi-outlet. The simultaneous and continuous production is possible, and the injection and simultaneous cooling / take-out can be greatly shortened the cycle time (Cycle-Time), thereby improving the productivity of the work and products.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents. Of course, such modifications are within the scope of the claims.

1 is a perspective view and a front view showing a state of the multi-injection and multi-extraction cube injection mold which is an embodiment of the present invention;
Figure 2 is an explanatory view showing a viewer for each direction of the perspective of the mold structure of the cube block 30 according to the present invention,
3 is an explanatory diagram showing the rotation of the cube block and the actuator according to the present invention;
Figure 4 is a side cross-sectional view showing a detailed cross-sectional structure for operation in accordance with the cube block and combination parts according to the present invention;
5 is an explanatory view showing a rotating structure and a fixed structure of the cube block according to the present invention;
Figure 6 is an explanatory diagram showing a support and deflection prevention structure of the cube block according to the present invention,
Figure 7 is an explanatory view showing the shape of the mold mold and mold separation balance (Balance) structure of the cube mold according to the present invention,
8 is an explanatory diagram showing a hot runner system structure of a cube mold according to the present invention;
9 is an explanatory diagram showing a product ejecting structure of a cube mold according to the present invention;
10 is a flow chart sequentially showing a cube injection method capable of simultaneous multi-injection and multi-injection of the present invention;
Figure 11 is a diagram showing the difference between the general mold multi-cavity (96 cavity) and the cube mold multi-cavity of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

In the following description of the present invention, a 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.

In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the user, the intention or custom of the operator, and the like.

Therefore, it goes without saying that the definition should be based on the contents throughout this specification.

10 is a flowchart sequentially illustrating a cube injection method capable of simultaneous multi-injection and multi-outtake, comprising an initial injection molding step, a cube block rotation step, and a multi-injection and multi-outtake step.

In the initial injection molding step, the upper mold 10 and the lower mold 20 are mold-molded on one side and the other side of the cube block 30 which are rotated in the state where the preheating is completed, and thus the first cavity 101. ) And the second cavity 201 are formed through the upper hot runner system 111 of the upper mold 10 and the cube block hot runner system 311 of the cube block 30 and the lower hot runner of the lower mold 20. The resin is injected into the first cavity 101 and the second cavity 201 through the system 211 to form a holding pressure and cooled to a transition temperature, thereby forming an injection molding.

In the cube block rotation step, after the injection molding is molded, the upper mold 10, the lower mold 20, and the cube block 30 are opened by mold separation and cooling to a takeable temperature, and the cube block 30 A) rotates 90 degrees on the cube plate 310 and molds the upper mold 10, the lower mold 20 and the cube block 30 by combining them.

The multi-injection and multi-extraction step, the upper mold 10 in the first cavity 101 and the second cavity 201 formed by combining the upper mold 10, the lower mold 20 and the cube block 30. Through the upper hot runner system 111 and the cube block hot runner system 311 of the cube block 30 and the resin is injected through the lower hot runner system 211 of the lower mold 20 to achieve the holding pressure and to the transition temperature Cooling is performed to mold the injection molding and at the same time the injection molding is completed by taking out the injection molded in the cube block 30 and repeating the cube block rotation step continuously.

1 is a view showing a cube (cube) mold structure according to the present invention, the multi-injection and multi-outtake cube injection mold of the present invention comprises a cavity (cavity) to form the appearance of the product, multi In order to form a cavity, an upper mold 10 for combining the first cavity 101 and a lower mold 20 for combining the second cavity 201 are configured. Upper and lower hot runner systems 111 and 211 which are flow inlets of injection resins are respectively installed in the first and second cavities 101 and 201, respectively, and the upper hot runner system 111 is positioned in the upper mold 10. The lower hot runner system 211 is configured to be positioned in the lower mold 20. Cube block 30 having first, second, third, and fourth cores 301, 302, 303, and 304 which are formed and separated from the first and second cavities 101 and 201 to form part of the cavity. ) The first core 301, the second core 302, the third core 303, the fourth core 304 in the cube block 30 is positioned, and each of the first ejecting portions 501, The 2nd extraction part 502, the 3rd extraction part 503, and the 4th extraction part 504 are comprised. Cube block (30) outside the cube plate (cube plate) (310) is installed on the outside to configure the related parts. In addition, the cube block hot runner system 311 is positioned to connect the upper and lower hot runner systems 111 and 211 located in the upper mold 10 and the lower mold 20. In addition, by configuring the actuator 40 and the related parts on the top of the cube block 30 of the present invention, the rotation operation of the cube block 30 in order of 90 degrees to rotate 360 degrees. In addition, the guide bar 60 for supporting the cube block 30 and preventing sagging in the injection molding machine is configured to be installed at four outer sides of the upper and lower molds 10 and 20, and the upper mold 10 And support the lower mold (20). The upper mold 10 of the present invention is clamped (clamping) to the fixed side of the injection molding machine, the lower mold 20 is a structure that is clamped to the injection machine moving side, the upper mold 10, the cube block 30, the lower mold 20 In order to balance the mold mold and mold separation, the gear link 50 is installed at four outer sides of the upper and lower molds 10 and 20.

FIG. 2 is an explanatory view showing a viewer for each direction viewed through a mold structure of a cube block 30 according to the present invention.

3 is a view showing the rotation and actuator of the cube block according to the present invention, the square or rectangular cube block 30 is rotated in the order of 90 degrees. It is a structure that can rotate 360 degrees by setting +90 degrees or -90 degrees.

The actuator 40 is configured on the top of the cube plate 310 of the present invention, but the servo motor 401 is positioned on the top of the cube block 30, and the servo motor 401 is positioned. ), The rotary drive gear 411 is combined. Rotating gear 412 to cause the rotation operation of the cube block 30 is connected to the upper block (Shaft) 421 is assembled and assembled with the cube block 30. When the rotary drive gear 411 and the rotary gear 412 rotates the cube block 30 through the interaction of the gear, the rotary gear 412 is composed of a reduction gear. The servo motor 401 controls rotation through a servo controller 402 and an interface, and connects or separates the injection machine 490 by connecting the injection machine 490 and the sub-controller 402. Control rotation when signal is generated. In this case, the rotation control enables position control up to one minute or less.

Figure 4 is a side cross-sectional view showing a detailed cross-sectional structure for operation in accordance with the cube block and combination parts according to the present invention, the first core 301 to the second core 302 having the same shape in the cube block 30 The core part is formed by positioning the third core 303 and the fourth core 304. For the multi-injection and multi-outtake of the present invention, in the cube block 30, the first take-out part 501 to the second take-out part 502, the third take-out part 503, and the third take-out part for taking out the four cores. The ejection portions up to 4 ejection portions 504 are positioned to each core portion, and the ejection portions are assembled so that ejection cylinders 511, 512, 513, and 514 are assembled inside the core portion, respectively. In order to configure the actuator 40 to rotate the cube block 30 of the present invention. The actuator 40 is configured to position the servo motor 401 as follows, and the servo motor 401 is configured to combine the rotary drive gear 411. The rotary gear 412 causing the rotation operation of the cube block 30 is connected to the upper shaft 421 assembled with the cube block 30, and the rotary drive gear 411 and the rotary gear ( 412 rotates the cube block 30 through the interaction of gears, the rotary gear 412 is composed of a reduction gear. In addition, the lower shaft 422 is positioned at the bottom of the cube block 30 to fix the fixed structure 444 at the center of the cube block 30 to form a rotating structure. In addition, the rotational position control is possible using the servo motor 401. The upper shaft 421 and the lower shaft 422 connected to the cube block 30 to form a cube plate 310 for supporting the rotation as a rotating body on the outside, each of the actuator portion and the bearing for rotation described above Position it. An upper bearing 431 and a cube upper bearing 432 are positioned outside the upper shaft 421 for the rotation of the cube block 30 of the present invention, and the upper cube bearing 432 is formed of the cube block 30. The upper side is rotatably supported. Also, the lower bearing 435 and the cube lower bearing 434 are positioned outside the lower shaft 422, and the cube lower bearing 434 rotatably supports the lower side of the cube block 30. In addition, the cube bearing 433 has a role of rotating and supporting the overall load of the cube block (30).

5 is an explanatory view showing the rotating structure and the fixed structure of the cube block according to the present invention, the cube block 30 is composed of a rotatable structure. Although accurate control is possible using the servomotor 401 and the servocontroller 402, some flow may occur due to the weight of the cube block 30 and the stop after rotation. When the mold is closed due to some flow, the mold parts, the cavity and the core may be scratched, and the structure that can be fixed is considered as follows. Referring to FIG. 5, the cube fixing device 451 includes a hydraulic cylinder 452 and a cylinder rod 453. The cube fixing device 451 is configured to move forward and backward, and the cylinder rod 453 moves forward in the stopped state of the cube block 30. And the end of the cylinder rod 453 has a mating structure with the fixing groove 454 of the bottom surface of the cube block 30, and when the cube block 30 is rotated, the cylinder rod 453 is reversed to the end of the cylinder rod 453 Has a structure that is separated from the fixing groove 454 of the bottom surface of the cube block (30).

FIG. 6 is an explanatory view illustrating a structure for supporting and deflecting a cube block according to the present invention. A guide bar 60 for supporting and preventing deflection of the cube block 30 in a mold starting injection machine 490 is shown. ) Is installed at four places outside the mold, and supported to the upper mold 10 and the lower mold 20. In the case of using a moving table, the cube block 30 can be retracted and rotated, but installation cost is high, and layout becomes large. The guide bar 60 is assembled to the cube block 30 by the fixing bolt 631 and the alignment pin 632. The upper mold 10 has a structure for supporting the guide bar 60 and the sliding motion by placing the upper guide rail 601 and the upper polishing plate 611 in position. In addition, the lower mold 20 has a structure in which the lower guide rail 602 and the lower polishing plate 612 are positioned like the upper mold to support the guide bar 60 and the sliding motion. The guide bar 60 serves to support the upper and lower molds 10 and 20 to be horizontal without bending when opening and closing molds.

Figure 7 is an explanatory view showing the shape of the mold mold and mold separation balance (Balance) structure of the cube mold according to the present invention, the upper mold 10 is clamped (clamping) on the fixed side of the injection machine 490, the lower mold 20 Is a structure that is clamped on the moving side of the injection molding machine (490), consisting of the upper mold 10, cube block 30, the lower mold 20, the gear link (Balance) for balancing the mold mold and mold separation (bar) Gear Link) 50 is installed in four places outside the mold. The gear link 50 is composed of rack and pinion (51, 52) (53), the rack (51, 52) one end of the upper mold 10 and the lower mold 20, respectively It is fixedly installed, the pinion 53 is pivotally mounted on the cube plate 310 and gear-coupled with the racks (51, 52). Accordingly, when the lower mold 20 clamped on the moving side is separated by the pinion 53 coupled to the racks 51 and 52, the cube block 30 moves forward and backward according to the gear ratio.

8 is an explanatory view showing a structure of a hot runner system of a cube mold according to the present invention, wherein the hot runner system has upper and lower hot runner systems 111 and 211 and a cube block hot runner system 311 as the hot runner system. Gate is a gate that supplies resin to the hollow part when the core is joined. The upper mold 10 is composed of a primary manifold. Conventional general molds can only be injected in the primary manifold configuration. For the multi-injection of the present invention, the lower mold 20 includes a tertiary manifold. That is, the cube block hot runner system 311, which is a secondary manifold for connecting the upper hot runner system 111, which is a primary manifold, and the lower hot runner system 211, which is a third manifold, is positioned on the cube plate 310. In order to connect each manifold, the connection port is located in the upper and lower hot runner system (111,211) passages of the primary and tertiary manifolds are configured in the shape of a 큐브 and the cube block hot runner system 311 which is the secondary manifold The structure is to be configured to be shaped in a shape so that the resin is supplied during the molding.

9 is an explanatory view showing a product ejecting structure of a cube mold according to the present invention. In the cube block 30, a first core 301, a second core 302, a third core 303, and a fourth core The core 304 is configured to be positioned to each other, and the first ejection part 501 and the second are disposed at the bottom of the first core 301, the second core 302, the third core 303, and the fourth core 304. The extraction part 502, the 3rd extraction part 503, and the 4th extraction part 504 are comprised, respectively. Each take-out part is connected to the take-out hydraulic cylinders 511, 512, 513 and 514, respectively, so that each take-out part advances through the retraction operation of the hydraulic cylinders 511, 512, 513 and 514. The product has a structure of taking out the product through the retraction operation. The first extraction part 501, the second extraction part 502, the third extraction part 503, and the fourth extraction part 504 of the die are installed in the cube block 30.

The present invention comprises four cores in a cube-shaped block that can be rotated and retracted, and a combination of two cavities including a hot runner valve. By multi-cavity configuration, multi-injection and multi-outtake can be performed simultaneously in the same injection machine 490, so that continuous production is possible and productivity is improved. By doing so, cycle time can be shortened. 11 is a diagram showing the difference between the general mold multi-cavity (96 cavities) and the cube mold multi-cavity of the present invention, in spite of the small number of cavities when applying the cube mold of the present invention, it is possible to shorten the cycle time, Yields have an increasing effect.

10: upper mold
20: lower mold
30: cube block
40: Actuator
50: gear link 51,52: rack
53: pinion
60: guide bar
101: first cavity
111: upper hot runner system
201: second cavity
211: lower hot runner system
301: first core 302: second core
303: third core 304: fourth core
310: cube plate 311: cube block hot runner system
401: servo motor 402: servo controller
411: drive gear 412: rotary gear
421: upper shaft 422: lower shaft
431: upper bearing 432: cube upper bearing
433: cube bearing 434: cube lower bearing
435: lower bearing 441: fixing bolt
451: cube fixing device 452: hydraulic cylinder
453: cylinder rod 454: fixing groove
490: Injection Molding Machine
501: First extraction unit 502: Second extraction unit
503: third extraction part 504: fourth extraction part
511,512,513,514: ejection cylinder
601: upper guide rail 602: lower guide rail
611: upper abrasive plate 612: lower abrasive plate
631: fixing bolt 632: dowel pin

Claims (9)

Upper and lower molds 10 and 20 clamped to the fixed side and the moving side of the injection machine 490 by combining the first and second cavities 101 and 201, respectively, to form a multi-cavity for forming the appearance of the product. ;
Upper and lower hot runner systems which are respectively formed in the first and second cavities in the upper and lower molds 10 and 20 to include a hot runner valve and serve as a flow inlet of the injection resin. (111,211);
A cube-shaped block positioned between the upper and lower molds 10 and 20 and capable of rotating and advancing, and is molded and separated from the first and second cavities 101 and 201, and within the block. It has a first core (301), a second core 302, a third core 303, a fourth core 304 forming part of the first and second cavities (101, 201), the outer side A cube plate 310 is installed to form an associated part, and a cube block hot runner system 311 is formed to connect upper and lower hot runner systems 11 and 211 respectively positioned at the upper and lower molds 10 and 20. A cube block 30;
It is installed on the cube block 30 is provided with an actuator (Actuator) 40 for pivoting the rotation operation of the cube block 30 by 360 degrees by 90 degrees, the injection molding and ejection proceeds at the same time, injection After a certain cooling time, the mold block is opened and then the cube block 30 is rotated by 90 degrees by the actuator 40, and the injection molding and the ejection are repeatedly repeated after injection. Cube injection mold. The method of claim 1, further comprising:
Among the cores of the cube block 30, the first core 301 and the second core 302 are combined with the mold of the first cavity 101 and the second cavity 201 to form a molding part to use a hot runner valve. To enable injection molding of the product;
Among the cores of the cube block 30, the third core 303 and the fourth core 304 may be formed of a blower so as to take out the molded product. . The method of claim 1, further comprising:
The actuator 40;
A rotary gear 412 connected to an upper shaft 421 connected to the cube block 30 to induce a rotation operation of the cube block 30 and to serve as a reduction gear;
A servo motor (401) positioned at the top of the cube block (30) to drive a rotation drive gear (411) geared to the rotary gear (412);
An interface and a servo controller 402 connected to the injection machine 490 to control the rotation of the servo motor 401 to a unit of less than 1 degree when the injection or mold separation signal of the injection machine 490 is generated. Cube injection mold capable of simultaneous multi-injection and multi-outtake, characterized in that it comprises a). The method of claim 1, further comprising:
The cube block 30 has a fixed groove 454 recessed inwardly formed on the bottom surface thereof, and is spaced apart from the cube block 30 that is rotated or stopped, and the cylinder rod (in the stationary state of the cube block 30). 453 is advanced and the front end of the cylinder rod 453 is combined with the fixing groove 454 of the lower surface of the cube block 30, and when the cube block 30 is rotated, the cylinder rod 453 is reversed and the cylinder rod 453 is rotated. A cube injection mold capable of simultaneous multi-injection and multi-extraction, characterized in that the front end further comprises a cube fixing device 451 having a hydraulic cylinder that is separated from the fixing groove 454 of the bottom surface of the cube block (30). The method of claim 1, further comprising:
Long side cross-section of the rectangular bar, fixed to the fixing block 631 and dowel pins 632 horizontally in the mold opening direction of the upper and lower molds (10, 20) to the four front and rear sides of the outer surface of the cube block (30). It is installed, one end portion of the upper mold 10 in the upper and lower pairs of the upper guide rail 601 and the upper polishing plate 611 to support the sliding movement, the other end portion in the lower mold 20, the upper and lower pairs The guide bar (60) for supporting the sliding motion by positioning the lower guide rail 602 and the lower polishing plate 612 of the cube block 30 in the injection molding machine 490 Simultaneous multi-injection and multi-outtake cube injection mold, characterized in that the support and at the same time prevent the deflection of the upper and lower molds (10,20). The method of claim 1, further comprising:
One end of the upper mold 10 and the lower mold 20, the racks 51 and 52, which are fixedly installed adjacent to the front and rear sides, respectively, and are pivotally installed on the cube plate 310 so that the rack 51, Gear Link (Gear Link, 50) consisting of a pinion (53) which is geared with the 52 is further provided so that the lower mold 20 clamped on the moving side of the injection molding machine (490) to the rack (51, 52) at the time of mold separation Cube block 30 by the operation of the combined pinion 53 is retracted according to the gear ratio to maintain the balance of mold mold closing and mold separation (Balance), characterized in that the multi-injection and multi-drawable cube injection mold. The method of claim 1, further comprising:
The upper mold 10 has an upper hot runner system 111 that is a primary manifold, and the lower mold has a lower hot runner system 211 that is a tertiary manifold, and is a secondary manifold for connecting the cube. Block hot runner system 311 is formed on the cube plate 310, and in order to connect the respective manifolds in the upper and lower hot runner system (111,211) passage, which is the primary and tertiary manifolds in the shape of a ,, secondary manifold In-cube block hot runner system (311) is a cube injection mold capable of simultaneous multi-injection and multi-outtake, characterized in that the resin is supplied smoothly when forming a mating connector formed in the shape of. The method of claim 1, further comprising:
Inside the cube block 30, the first core 301, the second core 302, the third core 303, and the first core 301 and the second core 303 are disposed at the bottom of the fourth core 304. 502), the third blowout part 503, and the fourth blowout part 504 are respectively configured to be connected to each of the ejection hydraulic cylinders 511, 512, 513 and 514, respectively, so that the respective products are moved through the retraction operation of the hydraulic cylinders 511, 512, 513 and 514. Cube injection mold capable of simultaneous multi ejection and multi ejection, characterized in that the ejection. The upper mold 10 and the lower mold 20 are mold-molded on one side and the other side of the cube block 30 which are rotated in the pre-heating state, respectively, so that the first cavity 101 and the second cavity 201 are closed. ) Is formed through the upper hot runner system 111 of the upper mold 10 and the cube block hot runner system 311 of the cube block 30 and through the lower hot runner system 211 of the lower mold 20. An initial injection molding step of injecting resin into each of the first cavity 101 and the second cavity 201 to achieve holding pressure and cooling to a transition temperature to form an injection molded product;
After the injection molding is molded, the mold is opened and the upper mold 10, the lower mold 20, and the cube block 30 are opened to be separated and cooled to a temperature at which the cube can be taken out. The cube block 30 is a cube plate 310. A cube block rotation step of rotating the shaft 90 degrees in the upper mold 10 and the lower mold 20 and the cube block 30 by shaping the mold;
The upper hot runner system 111 of the upper mold 10 and the first cavity 101 and the second cavity 201 formed by combining the upper mold 10, the lower mold 20, and the cube block 30. Through the cube block hot runner system 311 of the cube block 30 and the resin is injected through the lower hot runner system 211 of the lower mold 20 to achieve holding pressure and cooling to the transition temperature, thereby molding the injection molding. A multi-injection and multi-outtake cube injection method, characterized in that the injection molding is completed is the injection and the multi-injection and the multi-outtake step of taking out from the cube block 30 and repeating the cube block rotation step continuously.

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