WO2014129771A1 - Injection mould device allowing rapid heating and cooling, and injection method for same - Google Patents

Injection mould device allowing rapid heating and cooling, and injection method for same Download PDF

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Publication number
WO2014129771A1
WO2014129771A1 PCT/KR2014/001177 KR2014001177W WO2014129771A1 WO 2014129771 A1 WO2014129771 A1 WO 2014129771A1 KR 2014001177 W KR2014001177 W KR 2014001177W WO 2014129771 A1 WO2014129771 A1 WO 2014129771A1
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WO
WIPO (PCT)
Prior art keywords
cooling
core
heating
cooling water
hole
Prior art date
Application number
PCT/KR2014/001177
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French (fr)
Korean (ko)
Inventor
이성재
Original Assignee
Lee Sung Jae
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Publication date
Application filed by Lee Sung Jae filed Critical Lee Sung Jae
Publication of WO2014129771A1 publication Critical patent/WO2014129771A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • B29C2045/735—Heating or cooling of the mould heating a mould part and cooling another mould part during moulding

Definitions

  • the present invention provides a rapid heat-cooling injection mold apparatus for forming a second heat insulating hole to double heat insulation to concentrate the heating effect in the cavity to enable rapid heating, and to increase the air cooling effect during cooling. It relates to an injection method.
  • Rapid heating cooling technology is used for the purpose of rapidly heating and rapidly cooling the mold in the vicinity of the cavity to increase the injection productivity.
  • the core is separated and the heater is embedded in the intermediate core mold plate, and the intermediate core mold plate and the core mold support plate are combined with guide pins springed with spring, and the core mold support plate is heated with the heater and injected into the intermediate core mold plate.
  • the structure that prevents the heat of the heater from being transferred to the entire core mold and improves the heating and cooling efficiency was developed as Korean Patent Publication No. 10-0644922, but the mold is weakened because the intermediate core mold plate must be separated separately. Since it should be configured to be combined with the guide pin and the elastic spring has a problem that the durability is lowered and the mold cost rises.
  • the present invention is to solve this problem, an object of the present invention is to heat the heat of the banding heater in the core mold connected to the injection molding machine and the mold release function to the core mold fixing plate on the opposite side of the cavity, and the second row of the coolant It is to provide a rapid heat-cooling injection mold apparatus and an injection method for forming a heat-insulated hole to double-insulate the heat effect to concentrate the heating effect in the cavity to enable rapid heating, and to increase the air cooling effect during cooling.
  • Another object of the present invention is to form a hot water banding heater in a core mold connected to an injection molding machine and a core mold having a mold release function, in a core mold fixing plate and a heating core opposite to the cavity, and a second stage separate from the cooling water insulating hole. It is to provide a rapid heat-cooling injection mold apparatus and an injection method for forming a hot hole so as to double heat insulation to concentrate the heating effect in the cavity to enable rapid heating, and to increase the air cooling effect during cooling.
  • Another object of the present invention comprises a cavity mold connected to the injection molding machine and a core mold having a releasing action comprising a core mold fixing plate and a heating core, and the heat of the bending heater embedded in the heating core is transferred to the core mold fixing plate opposite to the cavity.
  • Insulating the core mold fixing plate and the heating core boundary with the first cooling water insulation hole and the cooling water sealing insulation pad, and the first cooling water insulation hole supplies the cooling water for cooling, and functions as an insulation hole for the insulation. 2
  • the insulation hole is intended to provide a rapid heat-cooling injection mold apparatus and an injection method thereof, which block thermal shear during cooling, thermal insulation, or air cooling, and maximize heat loss by reducing the heat transfer area.
  • the present invention is an injection mold apparatus having a core mold and a cavity mold, the core mold is cut to a certain thickness according to the cavity shape, and the heating core having a built-in banding heater on the cutting surface, and fixing the heating core and having a cooling means. It comprises a core mold fixing plate;
  • the cooling means of the core mold fixing plate further includes a core mold fixing plate on the opposite side of the cavity and a second heat hole for cooling the secondary core in a space separated from the cooling water insulator.
  • the cooling water heat insulating hole is a first cooling water heat insulating hole formed in parallel with the banding heater between the heating core and the core mold fixing plate having a banding heater, and a second cooling water channel formed in a direction perpendicular to the banding heater at the back of the second heat insulating hole. And a connection cooling water heat insulating hole connecting the first cooling water insulation hole and the second cooling water insulation hole through the heat insulation hole and the second heat insulating hole.
  • the present invention also provides an injection method using an injection molding apparatus capable of rapid heating and cooling, which separates the core mold from the cavity mold after injection molding and separates out the cooled injection, and simultaneously heats the banding heater of the heating core;
  • the cooling water is supplied to the heat insulation hole with the cooling water to cool the injection heater of the cavity by the banding heater and the heating core insulated from the core mold with the cooling water sealed insulation pad, and the cavity injection of the heating core is concentrated by the heat insulation of the second insulation hole.
  • Cooling cooling process After the cooling process, the cooling water supply is cut off, the cooling water is discharged, the air is cooled by the cooling means hot air and the second heat insulating hole, the core mold is released, the injection molding is taken out, and the heating core is preheated to the banding heater for the next process. The process is repeated sequentially.
  • the present invention forms the heat of the banding heater on the core mold connected to the injection molding machine and the core mold having a mold release function, and forms a heat insulating hole with a row of cooling water on the core mold fixing plate opposite to the cavity, and a second heat insulating hole with a double row to insulate the heat.
  • the effect is concentrated in the cavity to enable rapid heating and to increase the air cooling effect when cooling.
  • the present invention forms a cooling water heat insulating hole and a second heat insulating hole separate from the cooling water heat insulating hole formed by forming the heat of the banding heater in the core mold fixing plate and the heating core opposite to the cavity in the cavity mold which releases the cavity mold connected to the injection machine.
  • the present invention provides a rapid heat-cooling injection mold apparatus and an injection method thereof, in which double heating is performed to concentrate heating effects in a cavity to enable rapid heating, and to increase an air cooling effect during cooling.
  • the present invention provides a first cooling water at the core mold fixing plate and the heating core boundary to block the heat of the banding heater having the core mold connected to the injection mold and the core mold having a releasing action in the heating core from being transferred to the core mold fixing plate opposite to the cavity.
  • the present invention provides an injection molding apparatus and a method of injection that can be rapidly heated and cooled to cut off and reduce heat transfer area to maximize heat loss.
  • FIG. 3 is an explanatory diagram of a cooling process showing an example of the present invention.
  • Figure 4 is an injection molding process drawing showing an example of the present invention
  • FIG. 7 is an explanatory diagram of a cooling process showing another example of the present invention.
  • FIG. 12 is an enlarged horizontal cross-sectional view of FIG. 11.
  • heating core 211 bending heater 220: core mold fixing plate 230: heat insulator with cooling water
  • the present invention is an injection mold apparatus having a core mold and a cavity mold, the core mold is cut to a certain thickness according to the cavity shape and the heating core with a built-in banding heater on the cutting surface, and the core core having a cooling means and cooling means It comprises a fixed plate;
  • the cooling means of the core mold fixing plate further includes a heat insulating hole for cooling the core mold fixing plate and the banding heater on the opposite side of the cavity from the heating core, and a second insulating hole for second air cooling in the space separated from the cooling water insulating hole.
  • the cooling water channel heat insulation hole includes a first cooling water insulation hole formed parallel to the banding heater in a heating core having a bending heater, and a second cooling water insulation hole formed in a direction perpendicular to the banding heater at the back of the second insulation hole, and a second
  • the present invention relates to a rapid heat-cooling injection mold apparatus including a connection cooling channel insulation hole connecting the first cooling channel insulation hole and the second cooling channel insulation hole through the insulation work.
  • the present invention also provides an injection method using an injection molding apparatus capable of rapid heating and cooling, which separates the core mold from the cavity mold after injection molding and separates the cooled injection product, and simultaneously heats the banding heater of the heating core; An injection process of coupling the core mold to form a cavity and a cavity to turn off the heating heater and supply the molten synthetic resin to the cavity from the injection machine; After the injection work, the cooling water is supplied to the insulation hole with the cooling water to cool the core mold and the heating core insulated with the cooling water sealed insulation pad to cool the injection of the cavity.
  • the cooling water supply is cut off, the cooling water is discharged, the air is cooled by the cooling means hole and the second heat insulation hole, the core mold is released, the injection molding is taken out, and the heating core is preheated by the banding heater for the next process. It relates to a rapid heating cooling injection method that performs the process repeatedly.
  • An example of the present invention is an injection mold apparatus having a core mold and a cavity mold as shown in FIGS. 1 to 4.
  • the core mold 200 is cut to a certain thickness according to the cavity 201 shape and the heating core 210 having the bending heater 211 built in the cutting surface, and the core mold fixing plate having the cooling core 210 fixed thereto and having cooling means. 220, including;
  • the cooling means of the core mold fixing plate 220 is a cooling water heat insulating hole 230 for cooling the core mold fixing plate 220 and the heating core 210 opposite to the cavity 201 at a spaced apart from the heating core 210.
  • the diameter of the second heat insulating hole 240 is configured to be larger than the diameter of the cooling water insulated hole (230).
  • the cooling water path insulation hole 230 is disposed between the second heat insulation holes 240.
  • the core mold 200 is cut to a predetermined thickness according to the cavity 201 shape, and has a heating core 210 having a bending heater 211 and a core mold fixing plate 220 fixing the heating core 210 and having a cooling means. ), Including;
  • the cooling means of the core mold fixing plate 220 is a cooling water heat insulating hole 230 for cooling the core mold fixing plate 220 and the heating core 210 opposite to the cavity 201 at a spaced apart from the heating core 210.
  • the cooling water channel insulation hole 230 is a first cooling channel insulation hole 231 formed in parallel with the bending heater 211 in the heating core 210 between the bending heater 211 and the second insulation hole 240.
  • the second cooling channel insulation hole 232 formed at right angles to the banding heater 211 and the second cooling hole insulation hole 231 pass through the second cooling hole insulation hole 231 and the second cooling channel insulation hole. It comprises a connection cooling water insulating hole 233 to connect the (232).
  • cooling water sealing insulation pad 234 is added to a portion of the edge of the first cooling channel heat insulating hole 231 and in contact with the core mold fixing plate 220 and the heating core 210.
  • the cooling water is supplied to the heat insulating hole 230 to cool the banding heater 211 and the heating core 210 to cool the injection of the cavity, and the cavity of the heating core is insulated from the second heat insulating hole 240.
  • the cooling water supply is cut off, the cooling water is discharged, the air is cooled to the heat insulating holes 230 and the second heat insulating holes 240, and the core mold is released.
  • the injection molding extraction process S40 for preheating the banding heater is repeatedly performed.
  • the power supply unit 310 for generating a direct current or alternating current power to apply a heating power when the contact of the relay (Ry) is turned on in parallel or series connected bending heater (211);
  • a cooling water pump 340 for supplying the cooling water 235 to the cooling water heat insulating hole 230 when the cooling water valve 341 is opened in the cooling water tank 320 to circulate the cooling water tank 320;
  • An air valve 331 which is opened when the coolant valve 341 is closed and the coolant pump 340 is turned off;
  • the relay Ry Recognizing whether or not the set temperature of the temperature sensor 212 through the input terminal (I1) and recognizes the set temperature, the relay Ry is turned off through the output terminal (P5), the air pump 330 through the output terminal (P1) And a controller 300 for driving the coolant pump 340 through the output stage P2 and driving the coolant valve 341 and the air valve 331 through the output stage P3 and P4. .
  • the banding heater 211, the cooling water path insulation hole 230, and the second insulation hole 240 are formed in the core mold 200, but the same structure is symmetrically formed in the cavity mold as necessary. It is well known that it can be configured.
  • Figure 11 is a cross-sectional view showing an example of applying the actual mold form of the present invention
  • Figure 12 is an enlarged horizontal cross-sectional view of the main portion of Figure 11
  • the core mold 200 is cut to a predetermined thickness according to the cavity 201 shape and bent on the cutting surface
  • a heating core 210 incorporating a heater 211 in the case of FIG. 11, an insertion heater or other heating fluid may be used
  • a core mold fixing plate having a cooling means fixed thereto with a heating core 210 ( 220).
  • the cooling means of the core mold fixing plate 220 is a cooling water insulation hole 230 for cooling the core mold fixing plate 220 and the heating core 210 opposite to the cavity 201 at a spaced apart from the heating core 210. It further includes a second heat insulating hole 240 for cooling the secondary air in a place separated from the cooling water heat insulating hole 230;
  • the cooling channel heat insulating hole 230 is formed between the heating core 210 and the core mold fixing plate 220 with the bending heater 211 and the first cooling channel insulating hole 231 formed in parallel with the banding heater 211.
  • the first cooling channel insulation hole 231 passes between the second cooling channel insulation hole 232 and the second insulation hole 240 formed parallel to the banding heater 211 on the rear surface of the second insulation hole 240.
  • a connection cooling water heat insulating hole 233 connecting the second cooling water heat insulating hole 232.
  • the cooling water sealing insulation pad 234 is added to a portion where the edge of the first cooling channel insulation hole 231 contacts the core mold fixing plate 220 and the heating core 210.
  • the cooling water sealed insulation pad 234 may be made of a silicone material for cooling water sealing insulation, and may be mixed with a heat insulating paint (for example, a brand name "insulin”) and silicone to realize heat insulation and sealing properties.
  • the controller 300 output stages P3 and P2 are opened to open the coolant valve 341 and drive the coolant pump 340 for injection of the next process. Command through. Subsequently, after cooling, the output level of the output stages P3 and P2 of the control unit 300 are changed to close the coolant valve 341, stop the operation of the coolant pump 340, and the air pump 330 is operated to cool the heat insulating hole ( 230 is supplied with air. At the same time, the junction banding heater 211 is connected to the heating core 210 and the core mold fixing plate 220 of the core mold 200 by turning on the relay Ry by the command of the output terminal P5 of the control unit 300 to supply the power 310.
  • a heating process (S10) is performed to heat the heating core 210 having the cavity 201 of the core mold 200 by applying power. This stops the cooling water supply and heats the heating core 210 in a state where the air is filled in the heat insulating hole 230 with the cooling water, thereby enabling rapid heating. This is because the cooling water insulator 230 and the second insulator 240 are double insulated (there are each arranged in a horizontal alternating), the heat to the other side of the cavity without a separate cooling material Since it blocks by the air cooling method, the cavity 201 functions to rapidly and intensively heat up.
  • the core mold 200 is moved to the fixed cavity mold 100 as shown in FIGS. 2 and 6 to secure the cavity 201 space, and to the bending heater 211 through the output terminal P5 of the controller 300.
  • Power supply unit 310 stops supplying power.
  • the molten injection of the injection machine 101 is supplied to the cavity 201 through the gate to perform the injection process (S20).
  • the power supply to the bending heater 211 is stopped to prevent overheating of the heating core 210.
  • the control unit 300 drives the coolant pump 340 by applying a high level output signal to the output stages P2 and P3, and the cooling water.
  • the valve 341 opening can be implemented by a solenoid valve method or the like, the description of the principle of operation will be omitted and simply described.
  • the cooling water 235 of the cooling water container 320 shown in FIG. It is supplied to the heat insulating hole 230 to be discharged to the outlet 230a to achieve water cooling. In this principle, a cooling process (S30) for performing rapid cooling is performed.
  • the cooling water path insulation hole 230 for supplying the cooling water 235 is located between the banding heater 211 and the second insulation hole 240, the second insulation hole 240 is formed at a predetermined interval at a rear portion thereof. Since the adiabatic function is performed, the cooling effect is mainly concentrated to the heating core 210 to appear as a factor of rapid cooling. Between the heating core 210 and the core mold fixing plate 220 is installed a cooling means heat pad 234 to block the heat of the bending heater 211 is conducted to the core mold fixing plate 220, so that the core core heating core 210 It is a factor that enables the thermal insulation effect and rapid cooling without separate from the mold fixing plate 220. In this case, as shown in FIGS.
  • the banding heater is formed behind the first cooling channel insulation hole 231 and the second insulation hole 240, which parallel the cooling water heat insulating hole 230 with the banding heater 211.
  • the second cooling water heat insulation hole 232 perpendicular to the 211 and the connection cooling water heat insulating hole 233 connecting them to the heating core 210 and the opposite side of the cavity 201 by intensive rapid heating and cooling effect Also becomes high.
  • the core mold 200 is separated from the cavity mold 100 fixed as shown in FIGS. 4 and 8 (opening of the mold).
  • the injection molding extraction process (S40) for taking out the injection molding product 102 is performed.
  • the closing action of the coolant valve 341 and the turn-off of the coolant pump 340 are performed by the control unit 300 output (low level) command.
  • the air pump 330 is driven by applying a high level through the output terminal P1 of the control unit 300, and at the same time, the air valve 331 is commanded to open by applying a high level output to the output terminal P4.
  • the present invention simply arranges the bending heater 211 along the curved surface of the cavity 201 (actually, FIGS. 11 and 12 can be illustrated), and the cooling water path insulation hole 230 and the second insulation hole 240 are provided. It is divided into two-layer structure, and each cooling water heat insulating hole 230 and the second heat insulating hole 240 are arranged to cross each other horizontally to achieve a thermal insulation effect, such as the so-called netting tightly installed, separate equipment Since it is insulated to enable rapid heating and rapid cooling only by air cooling without installing, even when the injection molding is concave or convex, the effect of heat insulation during heating and cooling is great without the need for the installation of insulation equipment by heating and cooling separately.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The present invention concerns an injection mould device equipped with a core mould and a cavity mould, being an injection mould device allowing rapid heating and cooling wherein: the core mould (200) comprises a heating core (210) which is cut to a predetermined thickness in accordance with the shape of a cavity (201) and in which the cut surface incorporates a venting heater (211), and comprises a core-mould-securing plate (220) which secures the heating core (210) and has a cooling means; the cooling means of the core-mould-securing plate (220) also comprises cooling-water-pathway thermally insulating holes (230) for cooling the venting heater (211) and the core-mould-securing plate (220) on the opposite side to the cavity (201) at a distance from the heating core (210), and also comprises second thermally insulating holes (240) for secondary air cooling at a distance from the cooling-water-pathway thermally insulating holes (230); the cooling-water-pathway thermally insulating holes (230) comprise a first cooling-water-pathway thermally insulating holes (231) formed in line with the venting heaters (211) in the heating core (210) between the venting heaters (211), a second cooling-water-pathway thermally insulating hole (232) formed in a direction orthogonal to the venting heaters (211) in a plane to the rear of the second thermally insulating holes (240), and linking cooling-water-pathway thermally insulating holes (233) passing across the second thermally insulating holes (240) so as to connect the first cooling-water-pathway thermally insulating holes (231) with the second cooling-water-pathway thermally insulating holes (232); and cooling-water hermetically sealing thermally insulating pads (234) are added in sites constituting the edges of the first cooling-water-pathway thermally insulating holes (231), where the heating core (210) and the core-mould-securing plate (220) make contact. The present invention also relates to an injection moulding method for the injection mould device.

Description

급속가열냉각 가능한 사출금형장치 및 그 사출방법 Rapid heating cooling injection mold apparatus and its injection method
본 발명은 제 2단열공을 형성하여 이중으로 단열작용을 하도록 함으로써 가열효과를 캐비티에 집중시켜 급속가열을 가능토록 하고, 냉각시에는 기냉효과를 증대시키도록 하는 급속가열냉각 가능한 사출금형장치 및 그 사출방법에 관한 것이다.The present invention provides a rapid heat-cooling injection mold apparatus for forming a second heat insulating hole to double heat insulation to concentrate the heating effect in the cavity to enable rapid heating, and to increase the air cooling effect during cooling. It relates to an injection method.
급속가열냉각 기술은 금형에서 캐비티 부근에 급속하게 가열하고, 급속하게 냉각시켜, 사출 생산성을 높이려는 목적으로 사용되고 있다.Rapid heating cooling technology is used for the purpose of rapidly heating and rapidly cooling the mold in the vicinity of the cavity to increase the injection productivity.
현재 사용되는 기술은 금형에 관체형 홀을 일정거리로 파서 히타를 끼우고, 여기에 냉각을 위하여 추가의 관체형 구멍을 파서 구멍으로 냉각수를 공급하여 냉각을 신속하게 변환시키는 구성이 대한민국 등록특허공보 제 10-0890905호로 알려져 있으나, 금형 자체를 가열하여야 하므로 가열 열량이 커지고, 가열시킨 것을 냉각시키려하니 냉각 시간이 많이 걸려서 수율이 떨어진다.Currently used technology is to dig a tubular hole in a mold at a certain distance to insert a heater, and to dig additional tubular holes for cooling to supply coolant to the hole to quickly convert cooling. Known as No. 10-0890905, since the mold itself needs to be heated, the amount of heat to be heated increases, and the cooling time takes a lot, and thus the yield decreases.
또한, 금형에 일정 공간의 채널을 만들고, 그 채널에 히타를 내장시키고 히타외부와 채널 사이의 공간으로 냉온열매체를 공급하여 급속 가열 및 냉각을 수행토록 하는 기술이 대한민국 등록특허공보 10-0888985호로 알려져 있으나, 이 역시 전체의 금형을 가열 및 냉각하여야 하므로 열손실이 많은 실정이다.In addition, the technology to make a channel of a certain space in the mold, to embed the heater in the channel, and to supply the hot and cold heat medium to the space between the outside and the channel to perform rapid heating and cooling is known as Republic of Korea Patent Publication No. 10-0888985 However, this also requires a large amount of heat loss because the entire mold must be heated and cooled.
또한, 코아금형을 분리하여 중간코아금형판에 히타를 내장하고, 중간코아금형판과 코아금형지지판은 스프링으로 탄발되는 가이드핀으로 결합하고, 코아금형지지판에는 히타 가열 및 사출 후 중간코아 금형판을 먼저 분리시켜 히타의 열기가 코아금형 전체에 전달되는 것을 막아주어 가열 및 냉각효율을 증진시킨 구조가 대한민국 등록특허공보 제10-0644922호로 개발되었으나, 중간코아금형판을 별도로 분리하여야하므로 금형이 약해지고, 가이드핀과 탄성스프링으로 결합하도록 구성하여야하므로 내구성이 떨어지고 금형 원가가 상승하는 문제점을 가진다.In addition, the core is separated and the heater is embedded in the intermediate core mold plate, and the intermediate core mold plate and the core mold support plate are combined with guide pins springed with spring, and the core mold support plate is heated with the heater and injected into the intermediate core mold plate. First, the structure that prevents the heat of the heater from being transferred to the entire core mold and improves the heating and cooling efficiency was developed as Korean Patent Publication No. 10-0644922, but the mold is weakened because the intermediate core mold plate must be separated separately. Since it should be configured to be combined with the guide pin and the elastic spring has a problem that the durability is lowered and the mold cost rises.
본 발명은 이를 해결하고자 하는 것으로, 본 발명의 목적은 사출기와 연결된 캐비티금형과 이형 작용을 하는 코아금형에 밴딩히타의 열기를 캐비티 반대편의 코아금형 고정판에 일열의 냉각수로단열공과, 이열의 제 2단열공을 형성하여 이중으로 단열작용하여 가열효과를 캐비티에 집중시켜 급속가열을 가능토록 하고, 냉각시에는 기냉효과를 증대시키도록 하는 급속가열냉각 가능한 사출금형장치 및 그 사출방법을 제공하려는 것이다.The present invention is to solve this problem, an object of the present invention is to heat the heat of the banding heater in the core mold connected to the injection molding machine and the mold release function to the core mold fixing plate on the opposite side of the cavity, and the second row of the coolant It is to provide a rapid heat-cooling injection mold apparatus and an injection method for forming a heat-insulated hole to double-insulate the heat effect to concentrate the heating effect in the cavity to enable rapid heating, and to increase the air cooling effect during cooling.
본 발명의 다른 목적은 사출기와 연결된 캐비티금형과 이형 작용을 하는 코아금형에 밴딩히타의 열기를 캐비티 반대편의 코아금형 고정판 및 가열코아에 형성한 냉각수로단열공과, 냉각수로단열공과 별개의 제 2단열공을 형성하여 이중으로 단열작용하여 가열효과를 캐비티에 집중시켜 급속가열을 가능토록 하고, 냉각시에는 기냉효과를 증대시키도록 하는 급속가열냉각 가능한 사출금형장치 및 그 사출방법을 제공하려는 것이다.Another object of the present invention is to form a hot water banding heater in a core mold connected to an injection molding machine and a core mold having a mold release function, in a core mold fixing plate and a heating core opposite to the cavity, and a second stage separate from the cooling water insulating hole. It is to provide a rapid heat-cooling injection mold apparatus and an injection method for forming a hot hole so as to double heat insulation to concentrate the heating effect in the cavity to enable rapid heating, and to increase the air cooling effect during cooling.
본 발명의 또 다른 목적은 사출기와 연결된 캐비티금형과 이형 작용을 하는 코아금형을 코아금형 고정판과 가열코아로 구성하고, 가열코아에 내장된 밴딩히타의 열기가 캐비티 반대편의 코아금형 고정판에 전다뢰되는 것을 차단하도록, 코아금형 고정판 및 가열코아 경계에 제 1냉각수로 단열공과 냉각수밀폐 단열패드로 단열시키고 제1 냉각수로단열공은 냉각시에는 냉각수를 공급하고, 단열시에는 단열공으로 기능토록 하고, 제 2 단열공은 냉각시나 단열시나 기냉에 의한 열전단을 차단하고, 열전달면적을 줄여 열손실을 극대화하는 급속가열냉각 가능한사출금형장치 및 그 사출방법을 제공하려는 것이다.Another object of the present invention comprises a cavity mold connected to the injection molding machine and a core mold having a releasing action comprising a core mold fixing plate and a heating core, and the heat of the bending heater embedded in the heating core is transferred to the core mold fixing plate opposite to the cavity. Insulating the core mold fixing plate and the heating core boundary with the first cooling water insulation hole and the cooling water sealing insulation pad, and the first cooling water insulation hole supplies the cooling water for cooling, and functions as an insulation hole for the insulation. 2 The insulation hole is intended to provide a rapid heat-cooling injection mold apparatus and an injection method thereof, which block thermal shear during cooling, thermal insulation, or air cooling, and maximize heat loss by reducing the heat transfer area.
이를 위하여 본원발명은 코아금형과 캐비티금형을 구비한 사출금형장치에서,코아금형은 캐비티 형상에 따라 일정 두께로 절단되고 절단면에 밴딩히타를 내장한 가열코아와, 가열코아를 고정하며 냉각수단을 가지는 코아금형고정판을 포함하여 이루어지며; 코아금형고정판의 냉각수단은 가열코아와 이격된 곳에서 캐비티 반대편의 코아금형고정판 및 가열코아를 냉각하는 냉각수로단열공과, 냉각수로단열공과 이격된 곳에서 2 차로 기냉하는 제 2단열공을 더 포함하여 구성하고; 상기 냉각수로단열공은 밴딩히타가 있는 가열코아와 코아금형고정판 사이에 밴딩히타와 나란하게 형성한 제 1냉각수로단열공과, 제 2단열공 뒷면에 밴딩히타와 직각방향으로 형성한 제 2냉각수로단열공과, 제 2단열공 사이를 지나 제 1냉각수로단열공과 제 2냉각수로단열공을 이어주는 연결냉각수로단열공을 포함하여 구성한다.To this end, the present invention is an injection mold apparatus having a core mold and a cavity mold, the core mold is cut to a certain thickness according to the cavity shape, and the heating core having a built-in banding heater on the cutting surface, and fixing the heating core and having a cooling means. It comprises a core mold fixing plate; The cooling means of the core mold fixing plate further includes a core mold fixing plate on the opposite side of the cavity and a second heat hole for cooling the secondary core in a space separated from the cooling water insulator. To configure; The cooling water heat insulating hole is a first cooling water heat insulating hole formed in parallel with the banding heater between the heating core and the core mold fixing plate having a banding heater, and a second cooling water channel formed in a direction perpendicular to the banding heater at the back of the second heat insulating hole. And a connection cooling water heat insulating hole connecting the first cooling water insulation hole and the second cooling water insulation hole through the heat insulation hole and the second heat insulating hole.
본 발명은 또한 급속가열냉각 가능한 사출금형장치를 이용한 사출방법으로, 사출성형 후 코아금형을 캐비티금형에서 분리시킨 후 냉각된 사출물을 분리 취출시킴과 동시에 가열코아의 밴딩히타를 가열하는 가열공정; 이어 코아금형을 캐비티금형과 캐비티를 형성하도록 결합하여 가열히타를 오프시키고 사출기로부터 용융합성수지를 캐비티로 공급하는 사출공정; 사출작업 후 냉각수로단열공으로 냉각수를 공급하여 냉각수 밀폐단열패드로 코아금형과 단열된 밴딩히타와 가열코아를 냉각시켜 캐비티의 사출물을 냉각시키며 제 2단열공의 단열작용으로 가열코아의 캐비티 사출물을 집중냉각하는 냉각공정; 냉각 공정 후 냉각수 공급을 차단 후 냉각수를 배출시키고 냉각수단열공 및 제 2단열공으로 기냉함과 동시에 코아금형을 이형시킨 후 사출물을 취출한 후 다음공정을 위하여 가열코아를 밴딩히타로 예비가열하는 사출물 취출공정을 순차 반복 수행한다.The present invention also provides an injection method using an injection molding apparatus capable of rapid heating and cooling, which separates the core mold from the cavity mold after injection molding and separates out the cooled injection, and simultaneously heats the banding heater of the heating core; An injection process of coupling the core mold to form a cavity and a cavity to turn off the heating heater and supply the molten synthetic resin to the cavity from the injection machine; After the injection work, the cooling water is supplied to the heat insulation hole with the cooling water to cool the injection heater of the cavity by the banding heater and the heating core insulated from the core mold with the cooling water sealed insulation pad, and the cavity injection of the heating core is concentrated by the heat insulation of the second insulation hole. Cooling cooling process; After the cooling process, the cooling water supply is cut off, the cooling water is discharged, the air is cooled by the cooling means hot air and the second heat insulating hole, the core mold is released, the injection molding is taken out, and the heating core is preheated to the banding heater for the next process. The process is repeated sequentially.
본 발명은 사출기와 연결된 캐비티금형과 이형 작용을 하는 코아금형에 밴딩히타의 열기를 캐비티 반대편의 코아금형 고정판에 일열의 냉각수로단열공과, 이열의 제 2단열공을 형성하여 이중으로 단열작용하여 가열효과를 캐비티에 집중시켜 급속가열을 가능토록 하고, 냉각시에는 기냉효과를 증대시킨다.The present invention forms the heat of the banding heater on the core mold connected to the injection molding machine and the core mold having a mold release function, and forms a heat insulating hole with a row of cooling water on the core mold fixing plate opposite to the cavity, and a second heat insulating hole with a double row to insulate the heat. The effect is concentrated in the cavity to enable rapid heating and to increase the air cooling effect when cooling.
본 발명은 사출기와 연결된 캐비티금형과 이형 작용을 하는 코아금형에 밴딩히타의 열기를 캐비티 반대편의 코아금형 고정판 및 가열코아에 형성한 냉각수로단열공과, 냉각수로단열공과 별개의 제 2단열공을 형성하여 이중으로 단열작용하여 가열효과를 캐비티에 집중시켜 급속가열을 가능토록 하고, 냉각시에는 기냉효과를 증대시키도록 하는 급속가열냉각 가능한 사출금형장치 및 그 사출방법을 제공한다.The present invention forms a cooling water heat insulating hole and a second heat insulating hole separate from the cooling water heat insulating hole formed by forming the heat of the banding heater in the core mold fixing plate and the heating core opposite to the cavity in the cavity mold which releases the cavity mold connected to the injection machine. Thus, the present invention provides a rapid heat-cooling injection mold apparatus and an injection method thereof, in which double heating is performed to concentrate heating effects in a cavity to enable rapid heating, and to increase an air cooling effect during cooling.
본 발명은 사출기와 연결된 캐비티금형과 이형 작용을 하는 코아금형을 가열코아에 내장한 밴딩히타의 열기가 캐비티 반대편의 코아금형 고정판에 전달되는 것을 차단하도록, 코아금형 고정판 및 가열코아 경계에 제 1냉각수로 단열공과 냉각수밀폐단열패드로 단열시키고, 제 1 냉각수로단열공은 냉각시에는 냉각수를 공급하고, 단열시에는 단열공으로 기능토록 하고, 제 2 단열공은 냉각시나 단열시나 기냉에 의한 열전단을 차단하고, 열전달면적을 줄여 열손실을 극대화하는 급속가열냉각 가능한 사출금형장치 및 그 사출방법을 제공한다.The present invention provides a first cooling water at the core mold fixing plate and the heating core boundary to block the heat of the banding heater having the core mold connected to the injection mold and the core mold having a releasing action in the heating core from being transferred to the core mold fixing plate opposite to the cavity. Insulation by furnace insulation hole and cooling water sealing insulation pad, the first cooling water furnace insulation hole to supply the cooling water when cooling, and to function as an insulation hole when insulated, and the second insulation hole is a thermal insulation by cooling, insulation or air cooling The present invention provides an injection molding apparatus and a method of injection that can be rapidly heated and cooled to cut off and reduce heat transfer area to maximize heat loss.
도 1은 본 발명의 일 예를 나타낸 사출물 취출 후 가열공정 설명도,1 is an explanatory view of the heating step after taking out the injection molding showing an example of the present invention,
도 2는 본 발명의 일 예를 나타낸 사출공정 설명도,2 is an explanatory view of an injection process showing an example of the present invention;
도 3은 본 발명의 일 예를 나타낸 냉각공정 설명도,3 is an explanatory diagram of a cooling process showing an example of the present invention;
도 4는 본 발명의 일 예를 나타낸 사출물 취출 공정도,Figure 4 is an injection molding process drawing showing an example of the present invention,
도 5는 본 발명의 다른 예를 나타낸 사출물 취출 후 가열공정 설명도,5 is an explanatory view of the heating step after the injection of the injection molding showing another example of the present invention,
도 6은 본 발명의 다른 예를 나타낸 사출공정 설명도,6 is an explanatory view of an injection process showing another example of the present invention;
도 7은 본 발명의 다른 예를 나타낸 냉각공정 설명도,7 is an explanatory diagram of a cooling process showing another example of the present invention;
도 8은 본 발명의 다른 예를 나타낸 사출물 취출 공정도,8 is an injection molding process drawing showing another example of the present invention,
도 9는 본 발명의 공정 흐름도,9 is a process flow diagram of the present invention;
도 10은 본 발명의 제어 블럭구성도,10 is a control block diagram of the present invention;
도 11은 본 발명의 실제 사용 예를 보인 단면도,11 is a cross-sectional view showing an actual use example of the present invention,
도 12는 도 11의 수평 단면 요부 확대도이다.FIG. 12 is an enlarged horizontal cross-sectional view of FIG. 11.
100: 캐비티금형 101: 사출기 102: 사출물 200: 코아금형 201: 캐비티 Reference Signs List 100: Cavity Mold 101: Injection Molding Machine 102: Injection Mold 200: Core Mold 201: Cavity
210: 가열코아 211: 밴딩히타 220: 코아금형 고정판 230: 냉각수로 단열공210: heating core 211: bending heater 220: core mold fixing plate 230: heat insulator with cooling water
231: 제 1냉각수로 단열공 232: 제 2냉각수로 단열공 231: heat insulation hole of the first cooling water passage 232: heat insulation hole of the second cooling water passage
233: 연결냉각수로 단열공 234: 냉각수밀폐용 패드 235: 냉각수 233: Insulating hole with connection cooling water 234: Pad for cooling water sealing 235: Cooling water
240: 제 2단열공 300: 제어부 310: 전원부 320: 냉각수통 330: 에어펌프240: second heat insulating hole 300: control unit 310: power supply unit 320: cooling water container 330: air pump
331: 에어밸브 340: 냉각수펌프 341: 냉각수밸브331: air valve 340: cooling water pump 341: cooling water valve
본 발명은 코아금형과 캐비티금형을 구비한 사출금형장치에서, 코아금형은 캐비티 형상에 따라 일정 두께로 절단되고 절단면에 밴딩히타를 내장한 가열코아와, 가열코아를 고정하며 냉각수단을 가지는 코아금형고정판을 포함하여 이루어지며; 코아금형고정판의 냉각수단은 가열코아와 이격된 곳에서 캐비티 반대편의 코아금형고정판 및 밴딩히타를 냉각하는 냉각수로단열공과, 냉각수로단열공과 이격된 곳에서 2차로 기냉하는 제 2단열공을 더 포함하여 구성하고; 상기 냉각수로단열공은 밴딩히타가 있는 가열코아에 밴딩히타와 나란하게 형성한 제 1냉각수로단열공과, 제 2단열공 뒷면에 밴딩히타와 직각방향으로 형성한 제 2냉각수로단열공과, 제 2단열공사이를 지나 제 1냉각수로단열공과 제 2냉각수로단열공을 이어주는 연결냉각수로단열공을 포함하여 이루어진 급속가열냉각 가능한 사출금형장치에 관한 것이다.The present invention is an injection mold apparatus having a core mold and a cavity mold, the core mold is cut to a certain thickness according to the cavity shape and the heating core with a built-in banding heater on the cutting surface, and the core core having a cooling means and cooling means It comprises a fixed plate; The cooling means of the core mold fixing plate further includes a heat insulating hole for cooling the core mold fixing plate and the banding heater on the opposite side of the cavity from the heating core, and a second insulating hole for second air cooling in the space separated from the cooling water insulating hole. To configure; The cooling water channel heat insulation hole includes a first cooling water insulation hole formed parallel to the banding heater in a heating core having a bending heater, and a second cooling water insulation hole formed in a direction perpendicular to the banding heater at the back of the second insulation hole, and a second The present invention relates to a rapid heat-cooling injection mold apparatus including a connection cooling channel insulation hole connecting the first cooling channel insulation hole and the second cooling channel insulation hole through the insulation work.
본 발명은 또한 급속가열냉각 가능한 사출금형장치를 이용한 사출방법으로, 사출성형 후 코아금형을 캐비티금형에서 분리시킨 후 냉각된 사출물을 분리시킴과 동시에 가열코아의 밴딩히타를 가열하는 가열공정; 이어 코아금형을 캐비티금형과 캐비티를 형성하도록 결합하여 가열히타를 오프시키고 사출기로부터 용융합성수지를 캐비티로 공급하는 사출공정; 사출작업 후 냉각수로단열공으로 냉각수를 공급하여 냉각수밀폐 단열패드로 코아금형과 단열된 가열코아를 냉각시켜 캐비티의 사출물을 냉각시키며 제 2단열공의 단열작용으로 가열코아의 캐비티 사출물을 집중 냉각하는 냉각공정; 냉각 공정 후 냉각수 공급을 차단 후 냉각수를 배출시키고 냉각수단열공 및 제 2단열공으로 기냉함과 동시에 코아금형을 이형시킨 후 사출물을 취출한 후 다음공정을 위하여 가열코아를 밴딩히타로 예비가열하는 사출물 추출공정을 순차 반복 수행하는 급속가열냉각 가능한 사출방법에 관한 것이다.The present invention also provides an injection method using an injection molding apparatus capable of rapid heating and cooling, which separates the core mold from the cavity mold after injection molding and separates the cooled injection product, and simultaneously heats the banding heater of the heating core; An injection process of coupling the core mold to form a cavity and a cavity to turn off the heating heater and supply the molten synthetic resin to the cavity from the injection machine; After the injection work, the cooling water is supplied to the insulation hole with the cooling water to cool the core mold and the heating core insulated with the cooling water sealed insulation pad to cool the injection of the cavity. fair; After the cooling process, the cooling water supply is cut off, the cooling water is discharged, the air is cooled by the cooling means hole and the second heat insulation hole, the core mold is released, the injection molding is taken out, and the heating core is preheated by the banding heater for the next process. It relates to a rapid heating cooling injection method that performs the process repeatedly.
이하 본원발명의 실시 예를 도면을 참조하여 상세히 설명한다.Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
본 발명의 일 예로는 도 1 내지 도 4와 같이 코아금형과 캐비티금형을 구비한 사출금형장치에서,An example of the present invention is an injection mold apparatus having a core mold and a cavity mold as shown in FIGS. 1 to 4.
코아금형(200)은 캐비티(201) 형상에 따라 일정 두께로 절단되고 절단면에 밴딩히타(211)를 내장한 가열코아(210)와, 가열코아(210)를 고정하며 냉각수단을 가지는 코아금형고정판(220)을 포함하여 이루어지며;The core mold 200 is cut to a certain thickness according to the cavity 201 shape and the heating core 210 having the bending heater 211 built in the cutting surface, and the core mold fixing plate having the cooling core 210 fixed thereto and having cooling means. 220, including;
코아금형고정판(220)의 냉각수단은 가열코아(210)와 이격된 곳에서 캐비티(201) 반대편의 코아금형고정판(220) 및 가열코아(210)를 냉각하는 냉각수로단열공(230)과,The cooling means of the core mold fixing plate 220 is a cooling water heat insulating hole 230 for cooling the core mold fixing plate 220 and the heating core 210 opposite to the cavity 201 at a spaced apart from the heating core 210.
냉각수로단열공(230)과 이격된 곳에서 2 차로 기냉하는 제 2단열공(240)을 더 포함하여 구성한다.It further comprises a second heat insulating hole 240 for cooling the secondary air in a place separated from the cooling water heat insulating hole 230.
상기 제 2 단열공(240)의 직경이 냉각수로단열공(230)의 직경보다 크도록 구성한다.The diameter of the second heat insulating hole 240 is configured to be larger than the diameter of the cooling water insulated hole (230).
상기 제 2 단열공(240)사이에 냉각수로단열공(230)이 위치하도록 구성한다.The cooling water path insulation hole 230 is disposed between the second heat insulation holes 240.
본 발명의 다른 예로 도 5 내지 도 8 과 같이 코아금형이나 캐비티금형 적어도 한 곳에 히타와 냉각수단을 구비한 사출금형장치에서,In another embodiment of the present invention, in the injection mold apparatus having a heater and a cooling means in at least one of the core mold or the cavity mold, as shown in Figs.
코아금형(200)은 캐비티(201) 형상에 따라 일정 두께로 절단되고 밴딩히타(211)를 내장한 가열코아(210)와, 가열코아(210)를 고정하며 냉각수단을 가지는 코아금형고정판(220)을 포함하여 이루어지며;The core mold 200 is cut to a predetermined thickness according to the cavity 201 shape, and has a heating core 210 having a bending heater 211 and a core mold fixing plate 220 fixing the heating core 210 and having a cooling means. ), Including;
코아금형고정판(220)의 냉각수단은 가열코아(210)와 이격된 곳에서 캐비티(201) 반대편의 코아금형고정판(220) 및 가열코아(210)를 냉각하는 냉각수로단열공(230)과,The cooling means of the core mold fixing plate 220 is a cooling water heat insulating hole 230 for cooling the core mold fixing plate 220 and the heating core 210 opposite to the cavity 201 at a spaced apart from the heating core 210.
냉각수로단열공(230)과 이격된 곳에서 2차로 기냉하는 제 2단열공([0041] 240)을 더 포함하여 구성한다.It further comprises a second heat insulating hole (240) for cooling the secondary air in a place separated from the cooling water heat insulating hole (230).
상기 냉각수로단열공(230)은 밴딩히타(211) 사이의 가열코아(210)에 밴딩히타(211)와 나란하게 형성한 제 1냉각수로단열공(231)과, 제 2단열공(240)뒷면에 밴딩히타(211)와 직각방향으로 형성한 제 2냉각수로단열공(232)과, 제 2단열공(240)사이를 지나 제 1냉각수로단열공(231)과 제 2냉각수로단열공(232)을 이어주는 연결냉각수로단열공(233)을 포함하여 구성한다.The cooling water channel insulation hole 230 is a first cooling channel insulation hole 231 formed in parallel with the bending heater 211 in the heating core 210 between the bending heater 211 and the second insulation hole 240. The second cooling channel insulation hole 232 formed at right angles to the banding heater 211 and the second cooling hole insulation hole 231 pass through the second cooling hole insulation hole 231 and the second cooling channel insulation hole. It comprises a connection cooling water insulating hole 233 to connect the (232).
상기 제 1냉각수로단열공(231)의 테두리이고 코아금형고정판(220)과 가열코아(210)의 접하는 부위에는 냉각수밀폐단열패드(234)를 부가한 것이 좋다.It is preferable that the cooling water sealing insulation pad 234 is added to a portion of the edge of the first cooling channel heat insulating hole 231 and in contact with the core mold fixing plate 220 and the heating core 210.
본 발명의 급속가열냉각 가능한 사출금형장치를 이용한 사출방법은 도 9의 공정 흐름도와 같이, Injection method using the rapid heating cooling injection mold apparatus of the present invention, as shown in the process flow diagram of FIG.
사출성형 후 코아금형을 캐비티금형에서 분리시킨 후 냉각된 사출물을 분리시킴과 동시에 가열코아의 밴딩히타를 가열하는 가열공정(S10);A heating step (S10) of separating the core mold from the cavity mold after injection molding and separating the cooled injection molding product and simultaneously heating the bending heater of the heating core;
이어 코아금형을 캐비티금형과 캐비티를 형성하도록 결합하여 가열히타를 오프시키고 사출기로부터 용융합성수지를 캐비티로 공급하는 사출공정(S20);Next, the injection mold (S20) for coupling the core mold and the cavity mold to form a cavity to turn off the heating heater and supply the molten synthetic resin from the injection machine to the cavity;
사출작업 후 냉각수로단열공(230)으로 냉각수를 공급하여 밴딩히타(211)와 가열코아(210)를 냉각시켜 캐비티의 사출물을 냉각시키며 제 2단열공(240)의 단열작용으로 가열코아의 캐비티 사출물을 집중 냉각하는 냉각공정(S30);After the injection operation, the cooling water is supplied to the heat insulating hole 230 to cool the banding heater 211 and the heating core 210 to cool the injection of the cavity, and the cavity of the heating core is insulated from the second heat insulating hole 240. A cooling step of centrally cooling the injection molded product (S30);
냉각 공정 후 냉각수 공급을 차단 후 냉각수를 배출시키고 냉각수로단열공(230) 및 제 2단열공(240)으로 기냉함과 동시에 코아금형을 이형시킨 후 사출물을 취출한 후 다음공정을 위하여 가열코아를 밴딩히타로 예비가열하는 사출물 취출공정(S40)을 순차 반복 수행한다.After the cooling process, the cooling water supply is cut off, the cooling water is discharged, the air is cooled to the heat insulating holes 230 and the second heat insulating holes 240, and the core mold is released. The injection molding extraction process S40 for preheating the banding heater is repeatedly performed.
도 10은 본 발명의 제어 블럭구성도로, 병렬 또는 직렬 연결된 밴딩히타(211)에 릴레이(Ry)의 접점이 턴온될 때 가열 전원을 인가하도록 직류 또는 교류 전원을 발생하는 전원부(310);10 is a control block diagram of the present invention, the power supply unit 310 for generating a direct current or alternating current power to apply a heating power when the contact of the relay (Ry) is turned on in parallel or series connected bending heater (211);
냉각수로단열공(230)으로 냉각수(235)를 냉각수통(320)에서 냉각수밸브(341)가 오픈되었을 때 공급하여 냉각수통(320)으로 순환하도록 하는 냉각수펌프(340);A cooling water pump 340 for supplying the cooling water 235 to the cooling water heat insulating hole 230 when the cooling water valve 341 is opened in the cooling water tank 320 to circulate the cooling water tank 320;
냉각수밸브(341)가 닫히고 냉각수펌프(340)가 턴 오프될 때 오픈되는 에어밸브(331)와;An air valve 331 which is opened when the coolant valve 341 is closed and the coolant pump 340 is turned off;
에어밸브(331)를 통과하여 에어를 냉각수로단열공(230)으로 공급하는 에어펌프(330)와;An air pump 330 passing through the air valve 331 to supply air to the heat insulating hole 230;
온도센서(212)의 설정온도인지를 입력단(I1)을 통하여 인식하여 설정온도로 인식되면 릴레이(Ry)를 출력단(P5)을 통하여 턴 오프시키고, 출력단(P1)을 통하여 에어펌프(330)를 구동시키고, 출력단(P2)을 통하여 냉각수펌프(340)를 구동시키며, 출력단(P3)(P4)를 통하여 냉각수밸브(341)와 에어밸브(331)를 구동시키는 제어부(300)를 포함하여 구성한다. Recognizing whether or not the set temperature of the temperature sensor 212 through the input terminal (I1) and recognizes the set temperature, the relay Ry is turned off through the output terminal (P5), the air pump 330 through the output terminal (P1) And a controller 300 for driving the coolant pump 340 through the output stage P2 and driving the coolant valve 341 and the air valve 331 through the output stage P3 and P4. .
상기에서는 코아금형(200)에 밴딩히타(211), 냉각수로단열공(230), 및 제 2단열공(240)을 형성한 것으로 설명 및 도시하였으나, 필요에 따라 캐비티금형에도 같은 구조를 대칭되게 구성할 수 있음은 주지의 사실이다.In the above description, the banding heater 211, the cooling water path insulation hole 230, and the second insulation hole 240 are formed in the core mold 200, but the same structure is symmetrically formed in the cavity mold as necessary. It is well known that it can be configured.
도 11은 본 발명의 실제 금형 형태를 적용한 예를 보인 단면도이고, 도 12는 도 11의 요부확대 수평단면도로, 코아금형(200)은 캐비티(201) 형상에 따라 일정 두께로 절단되고 절단면에 밴딩히타(211)(도 11의 경우는 삽입히타나, 이외에 가열 유체를 사용하는 것도 가능하다)를 내장한 가열코아(210)와, 가열코아(210)를 고정하며 냉각수단을 가지는 코아금형고정판(220)을 포함한다.Figure 11 is a cross-sectional view showing an example of applying the actual mold form of the present invention, Figure 12 is an enlarged horizontal cross-sectional view of the main portion of Figure 11, the core mold 200 is cut to a predetermined thickness according to the cavity 201 shape and bent on the cutting surface A heating core 210 incorporating a heater 211 (in the case of FIG. 11, an insertion heater or other heating fluid may be used), and a core mold fixing plate having a cooling means fixed thereto with a heating core 210 ( 220).
상기 코아금형고정판(220)의 냉각수단은 가열코아(210)와 이격된 곳에서 캐비티(201) 반대편의 코아금형고정판(220) 및 가열코아(210)를 냉각하는 냉각수로단열공(230)과, [0056] 냉각수로단열공(230)과 이격된 곳에서 2차로 기냉하는 제 2단열공(240)을 더 포함하고;The cooling means of the core mold fixing plate 220 is a cooling water insulation hole 230 for cooling the core mold fixing plate 220 and the heating core 210 opposite to the cavity 201 at a spaced apart from the heating core 210. It further includes a second heat insulating hole 240 for cooling the secondary air in a place separated from the cooling water heat insulating hole 230;
상기 냉각수로단열공(230)은 밴딩히타(211) 가 있는 가열코아(210)와 코아금형고정판(220)사이에 밴딩히타(211)와 나란하게 형성한 제 1냉각수로단열공(231)과, 제 2단열공(240)뒷면에 밴딩히타(211)와 나란하게 형성한 제 2냉각수로단열공(232)과, 제 2단열공(240)사이를 지나 제 1냉각수로단열공(231)과 제 2냉각수로단열공(232)을 이어주는 연결냉각수로단열공(233)을 포함한다.The cooling channel heat insulating hole 230 is formed between the heating core 210 and the core mold fixing plate 220 with the bending heater 211 and the first cooling channel insulating hole 231 formed in parallel with the banding heater 211. The first cooling channel insulation hole 231 passes between the second cooling channel insulation hole 232 and the second insulation hole 240 formed parallel to the banding heater 211 on the rear surface of the second insulation hole 240. And a connection cooling water heat insulating hole 233 connecting the second cooling water heat insulating hole 232.
상기 제 1냉각수로단열공(231)의 테두리와 코아금형고정판(220)과 가열코아(210)의 접하는 부위에는 냉각수밀폐단열패드(234)를 부가한다. 이 경우 냉각수 밀폐단열패드(234)는 냉각수밀폐단열용 실리콘 재질도 가능하고, 단열도료(예를들어 상표명 "인슐레드")와 실리콘을 혼합 도포하여 단열성과 실링성을 구현하도록 할 수도 있다.The cooling water sealing insulation pad 234 is added to a portion where the edge of the first cooling channel insulation hole 231 contacts the core mold fixing plate 220 and the heating core 210. In this case, the cooling water sealed insulation pad 234 may be made of a silicone material for cooling water sealing insulation, and may be mixed with a heat insulating paint (for example, a brand name "insulin") and silicone to realize heat insulation and sealing properties.
이와 같이 구성한 본원발명의 작동을 설명하면 다음과 같다.Referring to the operation of the present invention configured as described above are as follows.
도 1 및 도 5 와 같이 사출물(102) 취출한 다음, 다음 공정의 사출을 위하여 냉각수밸브(341)를 오픈시키고 냉각수펌프(340)를 구동시키도록 제어부(300) 출력단(P3)(P2)을 통하여 지령한다. 이어 냉각 후 제어부(300) 출력단(P3)(P2)의 출력 레벨을 변환시켜 냉각수밸브(341)를 닫고 냉각수펌프(340)의 작동도 중지시키고 에어펌프(330)가 작동되어 냉각수로단열공(230)에 공기가 공급된다. 이와 동시에 코아금형(200)의 가열코아(210)와 코아금형 고정판(220)에 접합 밴딩히타(211)를 제어부(300) 출력단(P5)의 지령으로 릴레이(Ry)를 턴온시켜 전원부(310) 전원을 인가하여 코아금형(200)의 캐비티(201)가 있는 가열코아(210)를 가열시키는 가열공정(S10)을 수행한다. 이는 냉각수 공급을 중단하고 공기를 냉각수로단열공(230)에 채운 상태에서 가열코아(210)를 부위를 가열하므로 급속가열을 가능토록 한다. 이는 냉각수로단열공(230)과 제 2단열공(240)이 이중으로 단열하므로(거기에 각 단열공이 수평상 교대로 배열되어) 캐비티 반대편으로의 열기를 별도의 냉각재료 없이 2열구조의 기냉방식으로 차단하므로 캐비티(201) 부위가 급속하게 집중적으로 가열되도록 기능한다.After the injection-molded product 102 is taken out as shown in FIGS. 1 and 5, the controller 300 output stages P3 and P2 are opened to open the coolant valve 341 and drive the coolant pump 340 for injection of the next process. Command through. Subsequently, after cooling, the output level of the output stages P3 and P2 of the control unit 300 are changed to close the coolant valve 341, stop the operation of the coolant pump 340, and the air pump 330 is operated to cool the heat insulating hole ( 230 is supplied with air. At the same time, the junction banding heater 211 is connected to the heating core 210 and the core mold fixing plate 220 of the core mold 200 by turning on the relay Ry by the command of the output terminal P5 of the control unit 300 to supply the power 310. A heating process (S10) is performed to heat the heating core 210 having the cavity 201 of the core mold 200 by applying power. This stops the cooling water supply and heats the heating core 210 in a state where the air is filled in the heat insulating hole 230 with the cooling water, thereby enabling rapid heating. This is because the cooling water insulator 230 and the second insulator 240 are double insulated (there are each arranged in a horizontal alternating), the heat to the other side of the cavity without a separate cooling material Since it blocks by the air cooling method, the cavity 201 functions to rapidly and intensively heat up.
이어 도 2 및 도 6과 같이 고정된 캐비티금형(100)으로 코아금형(200)을 이동시켜 캐비티(201) 공간을 확보토록하고 제어부(300)의 출력단(P5)을 통하여 밴딩히타(211)로의 전원부(310) 전원 공급을 중단시킨다. 동시에 사출기(101)의 용융 사출물을 게이트를 통하여 캐비티(201)로 공급하여 사출공정(S20)을 수행토록 한다. 여기서 밴딩히타(211)에 전원 공급을 중단하는 것은 가열코아(210)의 과열을 방지하기 위함이다.Subsequently, the core mold 200 is moved to the fixed cavity mold 100 as shown in FIGS. 2 and 6 to secure the cavity 201 space, and to the bending heater 211 through the output terminal P5 of the controller 300. Power supply unit 310 stops supplying power. At the same time, the molten injection of the injection machine 101 is supplied to the cavity 201 through the gate to perform the injection process (S20). Here, the power supply to the bending heater 211 is stopped to prevent overheating of the heating core 210.
이어 도 3 및 도 7과 같이 사출기(101)가 사출압력을 유지하는 가운데 제어부(300)는 출력단(P2)(P3)을 하이레벨의 출력신호를 인가하여 냉각수펌프(340)를 구동시키고, 냉각수밸브(341)를 오픈시켜(오픈시키는 것은 솔레노이드밸브 방식 등으로 구현 가능하므로 작동원리의 설명은 생략하고 단순히 오픈하는 것으로 설명한다) 도 10에보인 냉각수통(320)의 냉각수(235)를 냉각수로단열공(230)으로 공급하여 배출구(230a)로 배출토록 하여 수냉을 이루도록 한다. 이러한 원리로 급속 냉각을 수행하는 냉각공정(S30)을 수행한다. 이 경우 냉각수(235)를 공급하는 냉각수로단열공(230)은 밴딩히타(211)와 제 2단열공(240)사이에 위치하므로 뒷부분은 제 2단열공(240)이 일정 간격으로 형성되어 있어 단열기능을 수행하므로, 냉각 효과는 주로 가열코아(210) 부위로 집중하여 나타나 급속 냉각의 요인이 된다. 가열코아(210)와 코아금형고정판(220) 사이는 냉각수단열패드(234)를 설치하여 밴딩히타(211)의 열이 코아금형고정판(220)에 전도되는 것을 차단하므로 가열코아(210)를 코아금형고정판(220)과 별도로 분리하지 않고도 단열효과와 급속 냉각을 가능토록 하는 요인이 된다. 이 경우 도 7, 도 11 및 도 12와 같은 구조는 냉각수로단열공(230)을 밴딩히타(211)와 나란한 제1냉각수로단열공(231)과, 제 2단열공(240)뒤에서 밴딩히타(211)와 직각 방향으로 배열된 제 2냉각수로 단열공(232)과 이들을 이어주는 연결냉각수로단열공(233)에 의하여 가열코아(210) 및 캐비티(201) 반대편을 집중 급속가열하고 아울러 냉각효과도 높게 된다.3 and 7 while the injection molding machine 101 maintains the injection pressure, the control unit 300 drives the coolant pump 340 by applying a high level output signal to the output stages P2 and P3, and the cooling water. By opening the valve 341 (opening can be implemented by a solenoid valve method or the like, the description of the principle of operation will be omitted and simply described). The cooling water 235 of the cooling water container 320 shown in FIG. It is supplied to the heat insulating hole 230 to be discharged to the outlet 230a to achieve water cooling. In this principle, a cooling process (S30) for performing rapid cooling is performed. In this case, since the cooling water path insulation hole 230 for supplying the cooling water 235 is located between the banding heater 211 and the second insulation hole 240, the second insulation hole 240 is formed at a predetermined interval at a rear portion thereof. Since the adiabatic function is performed, the cooling effect is mainly concentrated to the heating core 210 to appear as a factor of rapid cooling. Between the heating core 210 and the core mold fixing plate 220 is installed a cooling means heat pad 234 to block the heat of the bending heater 211 is conducted to the core mold fixing plate 220, so that the core core heating core 210 It is a factor that enables the thermal insulation effect and rapid cooling without separate from the mold fixing plate 220. In this case, as shown in FIGS. 7, 11, and 12, the banding heater is formed behind the first cooling channel insulation hole 231 and the second insulation hole 240, which parallel the cooling water heat insulating hole 230 with the banding heater 211. The second cooling water heat insulation hole 232 perpendicular to the 211 and the connection cooling water heat insulating hole 233 connecting them to the heating core 210 and the opposite side of the cavity 201 by intensive rapid heating and cooling effect Also becomes high.
이어 냉각공정(S30)을 마친 후에, 도 4 및 도 8과 같이 고정된 캐비티금형(100)에서 코아금형(200)을 분리(형개구동)시킨다. 이어 사출물(102)을 취출하는 사출물 취출공정(S40)을 수행토록 한다. 이어 냉각수밸브(341)의 닫음 작용과 냉각수펌프(340)의 턴오프를 제어부(300) 출력(로레벨) 지령에 의하여 수행토록 한다. 그리고 제어부(300) 출력단(P1)을 통한 하이레벨 인가로 에어펌프(330)를 구동시키고, 동시에 출력단(P4)으로 역시 하이레벨의 출력을 인가하여 에어밸브(331)를 오픈시키도록 지령한다. 이는 냉각수로단열공(230)으로 인가했던 냉각수를 배출구(230a)로 배출하여 냉각수통(320)에 보관시키고 대신 냉각수로단열공(230)은 공기로 채워 과 냉각을 막도록 한다. 즉, 가열코아(210)가 더 이상 냉각되는 것을 막아주어 반복되는 가열공정(S10)의 가열시간을 단축하도록 작용한다.Subsequently, after the cooling step S30, the core mold 200 is separated from the cavity mold 100 fixed as shown in FIGS. 4 and 8 (opening of the mold). Subsequently, the injection molding extraction process (S40) for taking out the injection molding product 102 is performed. Subsequently, the closing action of the coolant valve 341 and the turn-off of the coolant pump 340 are performed by the control unit 300 output (low level) command. In addition, the air pump 330 is driven by applying a high level through the output terminal P1 of the control unit 300, and at the same time, the air valve 331 is commanded to open by applying a high level output to the output terminal P4. This discharges the cooling water applied to the cooling water insulation hole 230 to the outlet 230a to be stored in the cooling water container 320, and instead, the cooling water insulation hole 230 is filled with air to prevent over cooling. That is, it prevents the heating core 210 from being cooled any more and serves to shorten the heating time of the repeated heating process (S10).
본 발명은 단순히 캐비티(201)의 곡면을 따라 밴딩히타(211)를 배열하고(실제로는 도 11 및 도 12를 예시할 수 있다), 냉각수로단열공(230)과 제 2단열공(240)을 이층 구조로 구분 구성하고, 각 냉각수로단열공(230)과 제 2단열공(240)은 수평상으로 서로 엇갈리게 구성하였기로 소위 그물망을 촘촘히 설치한 것과 같은 단열효과를 이루어, 별도의 설비를 설치하지 않아도 기냉방식 만으로 급속가열과 급속 냉각을 가능토록 단열 하므로 사출물이 오목하거나 볼록한 형상의 사출물일때에도 별도의 가열 및 냉각에 따른 단열기구물 설치가 필요없이 가열 및 냉각시 단열 그 효과가 지대하다.The present invention simply arranges the bending heater 211 along the curved surface of the cavity 201 (actually, FIGS. 11 and 12 can be illustrated), and the cooling water path insulation hole 230 and the second insulation hole 240 are provided. It is divided into two-layer structure, and each cooling water heat insulating hole 230 and the second heat insulating hole 240 are arranged to cross each other horizontally to achieve a thermal insulation effect, such as the so-called netting tightly installed, separate equipment Since it is insulated to enable rapid heating and rapid cooling only by air cooling without installing, even when the injection molding is concave or convex, the effect of heat insulation during heating and cooling is great without the need for the installation of insulation equipment by heating and cooling separately.

Claims (3)

  1. 코아금형과 캐비티금형을 구비한 사출금형장치에서,In the injection mold apparatus having a core mold and a cavity mold,
    코아금형(200)은 캐비티(201) 형상에 따라 일정 두께로 절단되고 절단면에 밴딩히타(211)를 내장한 가열코아(210)와, 가열코아(210)를 고정하며 냉각수단을 가지는 코아금형고정판(220)을 포함하여 이루어지며;The core mold 200 is cut to a certain thickness according to the cavity 201 shape and the heating core 210 having the bending heater 211 built in the cutting surface, and the core mold fixing plate having the cooling core 210 fixed thereto and having cooling means. 220, including;
    코아금형고정판(220)의 냉각수단은 가열코아(210)와 이격된 곳에서 캐비티(201) 반대편의 코아금형고정판(220) 및 가열코아(210)를 냉각하는 냉각수로단열공(230)과,The cooling means of the core mold fixing plate 220 is a cooling water heat insulating hole 230 for cooling the core mold fixing plate 220 and the heating core 210 opposite to the cavity 201 at a spaced apart from the heating core 210.
    냉각수로단열공(230)과 이격된 곳에서 2차로 기냉하는 제 2단열공(240)을 더 포함하여 구성하고;It further comprises a second heat insulating hole 240 for cooling the secondary air in a place separated from the cooling water heat insulating hole 230;
    상기 냉각수로단열공(230)은 밴딩히타(211) 가 있는 가열코아(210)에 밴딩히타(211)와 나란하게 형성한 제 1냉각수로단열공(231)과, 제 2단열공(240) 뒷면에 밴딩히타(211)와 직각방향으로 형성한 제 2냉각수로단열공(232)과, 제 2단열공(240)사이를 지나 제 1냉각수로단열공(231)과 제 2냉각수로단열공(232)을 이어주는 연결냉각수로단열공(233)을 포함하여 이루어지고;The cooling channel heat insulating hole 230 is formed in the heating core 210 with the bending heater 211 and the first cooling channel insulating hole 231 formed in parallel with the bending heater 211, and the second insulating hole 240 The second cooling channel insulation hole 232 formed at right angles to the banding heater 211 and the second cooling hole insulation hole 231 pass through the second cooling hole insulation hole 231 and the second cooling channel insulation hole. A connection coolant heat insulating hole 233 connecting 232 is formed;
    상기 제 1냉각수로단열공(231)의 테두리이고 코아금형고정판(220)과 가열코아(210)의 접하는 부위에는 냉각수밀폐단열패드(234)를 부가한 것을 특징으로 하는 급속가열냉각 가능한 사출금형장치.Rapid heating cooling injection mold apparatus, characterized in that the cooling water sealing insulation pad 234 is added to the edge of the first cooling channel heat insulating hole 231 and the contact portion of the core mold fixing plate 220 and the heating core 210. .
  2. 제 1항에 있어서, 병렬 또는 직렬 연결된 밴딩히타(211)에 릴레이(Ry)의 접점이 턴온될 때 가열 전원을 인가하도록 직류 또는 교류 전원을 발생하는 전원부(310);According to claim 1, Power supply unit 310 for generating a direct current or alternating current power to apply a heating power when the contact of the relay (Ry) is turned on in parallel or series connected bending heater (211);
    냉각수로단열공(230)으로 냉각수(235)를 냉각수통(320)에서 냉각수밸브(341)가 오픈되었을 때 공급하여 냉각수통(320)으로 순환하도록 하는 냉각수펌프(340);A cooling water pump 340 for supplying the cooling water 235 to the cooling water heat insulating hole 230 when the cooling water valve 341 is opened in the cooling water tank 320 to circulate the cooling water tank 320;
    냉각수밸브(341)가 닫히고 냉각수펌프(340)가 턴 오프될 때 오픈되는 에어밸브(331)와;An air valve 331 which is opened when the coolant valve 341 is closed and the coolant pump 340 is turned off;
    에어밸브(331)를 통과하여 에어를 냉각수로단열공(230)으로 공급하는 에어펌프(330)와;An air pump 330 passing through the air valve 331 to supply air to the heat insulating hole 230;
    온도센서(212)의 설정온도인지를 입력단(I1)을 통하여 인식하여 설정온도로 인식되면 릴레이(Ry)를 출력단(P5)을 통하여 턴 오프시키고, 출력단(P1)을 통하여 에어펌프(330)를 구동시키고, 출력단(P2)을 통하여 냉각수펌프(340)를 구동시키며, 출력단(P3)(P4)를 통하여 냉각수밸브(341)와 에어밸브(331)를 구동시키는 제어부(300)를 더 포함하여 구성한 것을 특징으로 하는 급속가열냉각 가능한 사출금형장치.Recognizing whether or not the set temperature of the temperature sensor 212 through the input terminal (I1) and recognizes the set temperature, the relay Ry is turned off through the output terminal (P5), the air pump 330 through the output terminal (P1) And a controller 300 for driving the coolant pump 340 through the output stage P2 and driving the coolant valve 341 and the air valve 331 through the output stage P3 and P4. Injection molding apparatus capable of rapid heating cooling.
  3. 제 1항의 급속가열냉각 가능한 사출금형장치를 이용한 사출방법으로,An injection method using the rapid heating cooling injection mold apparatus of claim 1,
    사출성형 후 코아금형을 캐비티금형에서 분리시킨 후 냉각된 사출물을 분리 취출시킴과 동시에 가열코아의 밴딩히타를 가열하는 가열공정;A heating step of separating the core mold after the injection molding from the cavity mold and separating and extracting the cooled injection molding and heating the banding heater of the heating core;
    이어 코아금형을 캐비티금형과 캐비티를 형성하도록 결합하여 가열히타를 오프시키고 사출기로부터 용융합성수지를 캐비티로 공급하는 사출공정;An injection process of coupling the core mold to form a cavity and a cavity to turn off the heating heater and supply the molten synthetic resin to the cavity from the injection machine;
    사출작업 후 냉각수로단열공으로 냉각수를 공급하여 냉각수밀폐단열패드로 코아금형과 단열된 가열코아를 냉각시켜 캐비티의 사출물을 냉각시키며 제 2단열공의 단열작용으로 가열코아의 캐비티 사출물을 집중 냉각하는 냉각공정;After the injection work, the cooling water is supplied to the insulation hole with the cooling water to cool the core of the core and the heating core insulated with the cooling water sealing insulation pad to cool the injection of the cavity. fair;
    냉각 공정 후 냉각수 공급을 차단 후 냉각수를 배출시키고 냉각수단열공 및 제 2단열공으로 기냉함과 동시에 코아금형을 이형시킨 후 사출물을 취출한 후 다음공정을 위하여 가열코아를 밴딩히타로 예비가열하는 사출물 취출공정을 순차 반복 수행함을 특징으로 하는 급속가열냉각 가능한 사출방법.After the cooling process, the cooling water supply is cut off, the cooling water is discharged, the air is cooled by the cooling means hot air and the second heat insulating hole, the core mold is released, the injection molding is taken out, and the heating core is preheated to the banding heater for the next process. Rapid heating cooling injection method characterized in that the process is carried out sequentially.
PCT/KR2014/001177 2013-02-19 2014-02-13 Injection mould device allowing rapid heating and cooling, and injection method for same WO2014129771A1 (en)

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CN109352341A (en) * 2018-10-26 2019-02-19 怀化智信能源科技有限公司 Casing machining device is used in a kind of production of ammeter
CN113787683A (en) * 2021-09-16 2021-12-14 温州峰美环保有限公司 Supplementary drawing of patterns system moulds plastics

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CN108189324A (en) * 2017-12-29 2018-06-22 重庆市银盛模具有限公司 Automobile injection mold
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