WO2011091592A1 - Cylindre à huile minitype intégré à mouvement alternatif et à pression élevée - Google Patents

Cylindre à huile minitype intégré à mouvement alternatif et à pression élevée Download PDF

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Publication number
WO2011091592A1
WO2011091592A1 PCT/CN2010/070398 CN2010070398W WO2011091592A1 WO 2011091592 A1 WO2011091592 A1 WO 2011091592A1 CN 2010070398 W CN2010070398 W CN 2010070398W WO 2011091592 A1 WO2011091592 A1 WO 2011091592A1
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WO
WIPO (PCT)
Prior art keywords
pressure
injection
cavity
mold core
injection mold
Prior art date
Application number
PCT/CN2010/070398
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English (en)
Chinese (zh)
Inventor
郭金阳
Original Assignee
Guo Jinyang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guo Jinyang filed Critical Guo Jinyang
Priority to PCT/CN2010/070398 priority Critical patent/WO2011091592A1/fr
Publication of WO2011091592A1 publication Critical patent/WO2011091592A1/fr

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Classifications

    • 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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
    • B29C45/561—Injection-compression moulding
    • 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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/57—Exerting after-pressure on the moulding material
    • B29C45/572—Exerting after-pressure on the moulding material using movable mould wall or runner parts
    • 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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
    • B29C45/561—Injection-compression moulding
    • B29C2045/5635—Mould integrated compression drive means

Definitions

  • the invention relates to a piston type cylinder and a functional module driven by a piston type cylinder.
  • thermoplastic plastic products mainly include: injection molding machine high temperature and high pressure to plasticize and melt the material, injection molding machine to inject the molten material into the cavity of the closed mold product, and the injection molding machine implements the molten state product in the mold cavity.
  • the pressure is maintained, the product is cooled in the mold, the mold is opened, and the product is taken out in several steps.
  • the edge gate and edge lap gate of plastic products cannot be separated automatically from plastic products.
  • the existing separation method is mainly after the product is taken out from the mold, manual/mechanical separation, the production cost is high, and it will affect The appearance of the product causes the product defect rate to rise.
  • the molten material flows through the sides of the holes or grooves and joins at the back of the holes or grooves due to temperature and pressure.
  • the injection pressure of the injection molding machine which is farther away from the pouring port is smaller, which causes a pressure difference in the cavity of the injection mold product, and the plastic product is caused by the pressure difference.
  • Various defects dimensional variations and deformations, etc.).
  • the core-pulling mechanism used in the mold mostly uses the direction of the opening and closing of the mold, and the mechanical structure is converted into the movement direction required by the core-pulling module, which makes the mechanical structure difficult to realize. Complex, and then the required mold volume is large, the processing cost is high; if the traditional cylinder is used for core pulling, because the traditional cylinder is relatively large, the core pulling action in a narrow space is difficult to achieve.
  • the technical problem to be solved by the present invention is to provide a miniature built-in high-pressure reciprocating cylinder and a high-voltage driving function module which are simple in structure, low in cost and simple in operation.
  • the micro built-in high-pressure reciprocating cylinder of the invention comprises a cylinder base, a cylinder block, a cylinder upper cover, a piston rotation preventing member and a piston rod, wherein the cylinder block is fixedly mounted on the upper end of the cylinder base, the cylinder block and the cylinder base Forming a cavity, the upper cover of the cylinder is fixedly mounted on the upper end of the cylinder block, the piston rod includes a piston and a push rod, the push rod is fixedly connected to the upper end of the piston, the piston is disposed in the cavity, and the cavity is Divided into upper and lower parts, the upper end of the push rod passes through the upper end surface of the cylinder block and the upper cover of the cylinder, and the upper end of the push rod is provided with a partial rod body A having a polygonal cross section, and the piston rotation preventing member is fixedly mounted on The upper end of the upper cover of the cylinder is provided with a polygonal through hole B, and the rod body A is closely matched with the through hole
  • the oil cylinder base is provided with two power oil interfaces, one of which is a power oil interface and a cavity.
  • the lower part of the body is connected, and the other power oil port communicates with the upper part of the cavity through a pipe provided on the side wall of the cylinder block.
  • micro-incorporated high-pressure reciprocating cylinder of the present invention wherein the top end of the piston rod is provided with a connecting hole, and the connecting hole is provided with an internal thread.
  • the micro-integrated high-pressure reciprocating cylinder of the present invention wherein the bottom of the cylinder base is provided with a cylindrical boss having a slightly smaller diameter, and the outer periphery of the cylindrical boss is provided with a cylinder locking fixing ring which is tightly matched with the cylinder, and the cylinder is locked.
  • the mounting ring is provided with a plurality of mounting screw holes.
  • the high-voltage driving function module of the present invention comprises the above-mentioned micro built-in high-pressure reciprocating cylinder and a functional module, wherein the bottom of the functional module is fixedly connected with the top end of the piston rod, and the micro built-in high-pressure reciprocating cylinder is disposed on the side of the mold core of the injection mold.
  • the cylinder locking fixing ring is fixedly mounted on the mold, and the functional hole of the functional module passing through the injection mold core is in contact with the cavity of the injection mold core, the power oil interface and the high pressure The power oil source is connected.
  • the high-voltage driving function module of the present invention wherein the bottom of the functional module is provided with a connecting fixing hole, the connecting fixing hole is provided with an internal thread, and the connecting hole connecting the fixing hole and the top end of the piston rod is provided with a headless screw.
  • the headless screw fixedly connects the functional module to the piston rod.
  • the high-voltage driving function module of the present invention comprises the above-mentioned micro-built high-pressure reciprocating cylinder and the core-pulling module, wherein the bottom of the core-pulling module is fixedly connected with the top end of the piston rod, and the micro-built high-pressure reciprocating cylinder is disposed in the injection mold core In the side mold, the cylinder locking fixing ring is fixedly mounted on the mold, and the core pulling module passes through the functional hole of the injection mold core into the cavity of the injection mold core, and the power oil interface and the power oil interface The high-pressure power oil source is connected.
  • the high-voltage driving function module of the present invention wherein the bottom of the core-pulling module is provided with a connecting fixing hole, the connecting fixing hole is provided with an internal thread, and the connecting hole of the connecting fixing hole and the top end of the piston rod is provided with a headless screw.
  • the headless screw fixedly connects the core module to the piston rod.
  • the invention discloses an injection molding process for automatically separating edge gates and edge lap gates of thermoplastic plastic products, according to Next steps:
  • the above high-voltage driving function module is fixedly mounted on the mold, so that the function module is located in the function hole, and the high-pressure power oil source is connected with the power oil port of the micro-built high-pressure reciprocating cylinder;
  • the material is added into the injection molding machine, the injection molding machine is heated to melt the material, the injection mold core is closed, and the nozzle of the injection molding machine is connected with the flow gate and cavity of the injection mold core as a closed cavity, and then the injection molding machine will The molten material is injected into the cavity of the injection mold core at a certain pressure and speed, after being injected and held for a certain period of time;
  • the invention discloses an injection molding process for eliminating the weld line of a thermoplastic plastic product, and the following steps are as follows:
  • the above high-voltage driving function module is fixedly mounted on the mold, so that the function module is located in the function hole, and the high-pressure power oil source is connected with the power oil port of the micro-built high-pressure reciprocating cylinder;
  • the material is added into the injection molding machine, the injection molding machine is heated to melt the material, the injection mold core is closed, and the nozzle of the injection molding machine is connected with the flow gate and cavity of the injection mold core as a closed cavity, and then the injection molding machine will The molten material is injected into the cavity of the injection mold core at a certain pressure and speed.
  • the high-pressure power oil source is controlled to input the pressure oil to the lower part of the micro-high-pressure reciprocating cylinder chamber, and the piston rod is driven to drive the function module into the cavity of the injection mold core. Moving, causing the functional module to punch out the holes or grooves required by the product on the plastic product in the cavity;
  • the invention relates to an injection molding process for eliminating shrinkage or hollow bubbles of a thermoplastic plastic product, according to the following steps:
  • the above high-voltage driving function module is fixedly mounted on the mold, so that the function module is located in the function hole, and a certain reserved material area is left between the function module and the cavity, and the high-pressure power oil source and the micro-built-in are provided.
  • the power oil port of the high pressure reciprocating cylinder is connected; c
  • the material is added into the injection molding machine, the injection molding machine is heated to melt the material, the injection mold core is closed, and the nozzle of the injection molding machine is connected with the flow gate and the cavity of the injection mold core as a closed cavity, and then the injection molding machine will The molten material is injected into the cavity of the injection mold core at a certain pressure and speed, and is injection-molded by the injection molding machine and held for a certain time, after the pressure-maintaining process is completed;
  • the invention relates to an injection molding process for adjusting the pressure difference in the cavity of an injection mold product, according to the following steps:
  • the above high-voltage driving function module is fixedly mounted on the mold, so that the function module is located in the function hole, and a reserved material area is left between the function module and the cavity, and the high-pressure power oil source and the micro built-in high-pressure reciprocating cylinder The power oil interface is connected;
  • the material is added into the injection molding machine, the injection molding machine is heated to melt the material, the injection mold core is closed, and the nozzle of the injection molding machine is connected with the flow gate and cavity of the injection mold core as a closed cavity, and then the injection molding machine will The molten material is injected into the cavity of the injection mold core at a certain pressure and speed, and is pressurized after injection and for a certain period of time, after the pressure maintaining process is completed;
  • the invention discloses an injection molding process for eliminating the trapping or scorching phenomenon of a thermoplastic plastic part product, according to the following steps:
  • a function hole is formed on the mold core of the injection mold, so that the function hole corresponds to a position on the plastic product which is prone to trapping or scorching, and the mold core of the injection mold is fixedly mounted on the mold;
  • the above high-voltage driving function module is fixedly mounted on the mold, so that the function module is located in the function hole, and a reserved material area is left between the function module and the cavity, and the high-pressure power oil source and the micro built-in high-pressure reciprocating cylinder The power oil interface is connected;
  • the injection molding machine is heated to melt the material, the injection mold core is closed, and the nozzle of the injection molding machine is connected with the flow gate and cavity of the injection mold core as a closed cavity, and then the injection molding machine will The molten material is injected into the cavity of the injection mold core at a certain pressure and speed; D. After the material injection is completed, the trapped gas and charring phenomenon on the plastic product will appear in the reserved material area.
  • the high-pressure power oil source is controlled to be input to the lower part of the micro-built high-pressure reciprocating cylinder chamber. The pressure oil pushes the piston rod to drive the function module to move into the cavity of the injection mold core, so that the function module squeezes the material in the reserved material area to the inside of the plastic product;
  • the invention relates to an injection molding process for controlling the position of a weld line of a thermoplastic plastic product, according to the following steps:
  • the above high-voltage driving function module is fixedly mounted on the mold, so that the function module is located in the function hole, and the high-pressure power oil source is connected with the power oil port of the micro-built high-pressure reciprocating cylinder;
  • the material is added into the injection molding machine, the injection molding machine is heated to melt the material, the injection mold core is closed, and the nozzle of the injection molding machine is connected with the flow gate and the cavity of the injection mold core to form a closed cavity, and the injection molding machine material is injected.
  • the high-pressure power oil source is controlled to input the pressure oil to the lower part of the micro-high-pressure reciprocating cylinder chamber, and the piston rod is driven to move the function module to move in one of the runners, so that the function module can completely fill one of the runners or Partially closed, and then the molten material is injected into the cavity of the injection mold core by a molding machine at a certain pressure and speed;
  • the high-pressure power oil source is controlled to input the pressure oil to the upper part of the micro-high-pressure reciprocating cylinder chamber, and the piston rod is driven to drive the function module away
  • the direction of the mold cavity of the injection mold moves, so that a runner gate completely or partially closed by the functional module is completely opened, and then all the material injection processes are completed;
  • the invention discloses an injection molding process for simplifying the micro-core structure of a mold, and the following steps are as follows:
  • the above high-voltage driving function module is fixedly mounted on the mold, so that the core-pulling module is located in the function hole, and the high-pressure power oil source is connected with the power oil port of the micro-built high-pressure reciprocating cylinder;
  • the injection molding machine is heated to melt the material
  • the injection mold core is closed, and the nozzle of the injection molding machine is connected with the runner gate and the cavity of the injection mold core to form a closed cavity, and the material is injected in the injection molding machine.
  • the high-pressure power oil source is controlled to input the pressure oil to the lower part of the micro-high-pressure reciprocating cylinder chamber, and the piston rod is driven to move the core module to move into the cavity of the injection mold core, so that the core-pulling module enters the cavity.
  • the molten material is injected into the cavity of the injection mold core by a molding machine at a certain pressure and speed; D.
  • the pressure holding process is performed for a certain period of time;
  • the polygonal rod body A of the piston rod of the micro high-pressure reciprocating cylinder of the invention cooperates with the polygonal through hole B of the piston rotation preventing member, so that the piston rod does not rotate relative to the cylinder block during the up and down movement; the power oil interface is disposed at the cylinder base On the seat, the cylinder is more convenient to install; the micro-integrated high-pressure reciprocating cylinder of the present invention can be installed at the appropriate position of the thermoplastic injection mold core to provide appropriate pressure for the injection mold core.
  • the connecting hole provided on the piston rod of the micro built-in high-pressure reciprocating cylinder of the invention is for the purpose of installing the function module or the core-pulling module;
  • the cylinder locking ring provided on the cylinder base is for fixing the cylinder tightly on the mold, so that the cylinder is High working accuracy and stability can be maintained even under high pressure conditions inside and outside.
  • the high-voltage driving function module of the invention comprises a functional module and a miniature built-in high-pressure reciprocating cylinder, and the functional module plays a corresponding role in the injection molding process under the pressure provided by the micro built-in high-pressure reciprocating cylinder.
  • Another high-voltage driving function module of the invention comprises a core-pulling module and a miniature built-in high-pressure reciprocating cylinder, and the core pulling operation is completed by the linear motion of the piston rod in the micro built-in high-pressure reciprocating cylinder, so that the whole core pulling mechanism is more simplified and the volume is smaller. The cost is lower.
  • Figure 1 is a front cross-sectional view of the micro-incorporated high-pressure reciprocating cylinder of the present invention
  • FIG. 2 is a top plan view of the micro built-in high pressure reciprocating cylinder of the present invention
  • Figure 3 is a first use state diagram of the high voltage driving function module of the present invention (before starting);
  • Figure 4 is a first use state diagram of the high voltage driving function module of the present invention (after startup);
  • Figure 5 is a second state of use diagram of the high voltage driving function module of the present invention (before starting);
  • Figure 6 is a second state of use diagram of the high voltage driving function module of the present invention (after startup);
  • Figure 7 is a third state of use diagram of the high voltage driving function module of the present invention (before starting);
  • Figure 8 is a third state of use diagram of the high voltage driving function module of the present invention (after startup);
  • Figure 9 is a fourth state of use diagram of the high voltage driving function module of the present invention (before starting);
  • Figure 10 is a fourth state of use diagram of the high voltage driving function module of the present invention (after startup);
  • Figure 11 is a fifth state of use diagram of the high voltage driving function module of the present invention (before starting);
  • Figure 12 is a fifth state of use diagram of the high voltage driving function module of the present invention (after startup);
  • Figure 13 is a sixth state of use diagram of the high voltage driving function module of the present invention (before starting);
  • Figure 14 is a sixth state of use diagram of the high voltage driving function module of the present invention (after startup);
  • Figure 15 is a schematic view of a plastic product;
  • Figure 16 is a seventh state of use diagram of the high voltage driving function module of the present invention (before starting);
  • Figure 17 is a seventh state of use diagram of the high voltage driving function module of the present invention (after startup);
  • Figure 18 is a diagram showing an eighth state of use of the high voltage driving function module of the present invention.
  • the miniature built-in high-pressure reciprocating cylinder of the present invention comprises a cylinder base 1, a cylinder block 2, a cylinder upper cover 3, a piston rotation preventing member 4 and a piston rod 5, and the cylinder block 2 is fixedly mounted on the cylinder
  • the upper end of the base 1 forms a cavity 6 between the cylinder block 2 and the cylinder base 1, and the upper cylinder cover 3 is fixedly mounted on the upper end of the cylinder block 2 by bolts.
  • the piston rod 5 includes a piston 7 and a push rod 8, and the push rod 8 - the body is formed at the upper end of the piston 7, the piston 7 is disposed in the cavity 6, and the cavity 6 is divided into upper and lower portions, and the upper end of the push rod 8 passes through the upper end surface of the cylinder block 2 and the cylinder upper cover 3,
  • the top end of the piston rod 5 is provided with a connecting hole 11 , the connecting hole 11 is provided with an internal thread, and the upper end of the push rod 8 is provided with a partial rod body having a hexagonal cross section, and the piston rotation preventing member 4 is fixedly mounted on the cylinder upper cover 3 by bolts.
  • the upper end, and the piston rotation preventing member 4 is provided with a hexagonal through hole B, the rod body A and the through hole B are closely matched, and the oil cylinder base 1 is provided with two power oil interfaces 9, 9', one of which is a power oil interface 9 Connected to the lower part of the cavity 6, another power oil interface 9' Conduit 2 provided on the cylinder block 10 through the side wall of the cavity 6 communicating portion.
  • the bottom of the cylinder base 1 has a cylindrical boss 12 having a slightly smaller diameter.
  • the outer periphery of the cylindrical boss 12 is provided with a cylinder lock retaining ring 13 which is tightly fitted thereto.
  • the cylinder lock retaining ring 13 has a plurality of mounting screw holes 14 formed therein.
  • the first use mode of the high-voltage driving function module of the present invention is used in an injection molding process for automatically separating edge gates and edge lap gates of thermoplastic plastic products.
  • the utility model comprises a miniature built-in high-pressure reciprocating cylinder and a functional module 15, the bottom of the functional module 15 is provided with a connecting fixing hole 22, the connecting fixing hole 22 is provided with an internal thread, and the connecting hole 11 connecting the fixing hole 22 and the top end of the piston rod 5 is connected.
  • a headless screw 23 is provided therein, and the headless screw 23 fixedly connects the functional module 15 to the piston rod 5.
  • the micro built-in high-pressure reciprocating cylinder is disposed in the mold 17 on the side of the injection mold core 16 , and the cylinder lock fixing ring 13 is fixedly mounted on the mold 17 by bolts, and the function hole 15 of the functional module 15 passes through the injection mold core 16 and The cavity 24 of the injection mold core 16 is in contact with the functional module 15 on the side where the cavity 24 of the injection mold core 16 is connected to the runner gate 19, and the power oil ports 9, 9' are connected to the high-pressure power oil source. through.
  • a function hole 18 is opened at the junction of the cavity 24 of the injection mold core 16 and the runner gate 19, and the injection mold core 16 is fixedly mounted on the mold 17; then the high-voltage driving function module is fixedly mounted on the mold 17.
  • the function module 15 is located in the function hole 18, and the high-pressure power oil source is connected with the power oil ports 9, 9' of the micro built-in high-pressure reciprocating cylinder; then the material is added into the injection molding machine, and the injection molding machine heats the material to melt the injection mold.
  • the mold core 16 is closed, and the injection machine nozzle is connected with the flow channel gate 19 and the cavity 24 of the injection mold core 16 to form a closed cavity, and then the molten material is taken by the injection molding machine.
  • the constant pressure and speed are injected into the cavity 24 of the injection mold core 16, and after injection and pressure holding, the high-pressure power oil source is controlled to input the pressure oil to the lower part of the micro-high-pressure reciprocating cylinder chamber 6, and the piston rod 5 is driven to drive the function.
  • the module 15 moves to the junction of the cavity 24 of the injection mold core 16 and the runner gate 19, so that the functional module 15 separates the plastic product in the cavity 24 from the runner gate 19; cooling, demoulding, The plastic product and the runner gate 19 are separately taken out, and the purpose of automatically separating the thermoplastic plastic product from the edge gate is achieved.
  • the second type of use of the high-voltage driving function module of the present invention is used in an injection molding process for automatically separating the lower lap edge gate of a thermoplastic plastic product.
  • the utility model comprises a miniature built-in high-pressure reciprocating cylinder and a function module 15.
  • the bottom of the functional module 15 is provided with a connecting fixing hole 22, and the connecting fixing hole 22 is provided with an internal thread, and the connecting hole 11 connecting the fixing hole 22 and the top end of the piston rod 5 is connected.
  • a headless screw 23 is provided therein, and the headless screw 23 fixedly connects the functional module 15 to the piston rod 5.
  • the micro built-in high-pressure reciprocating cylinder is disposed in the mold 17 on the side of the injection mold core 16 , and the cylinder lock fixing ring 13 is fixedly mounted on the mold 17 by bolts, and the function hole 15 of the functional module 15 passes through the injection mold core 16 and The cavity 24 of the injection mold core 16 is in contact with the functional module 15 on the side where the cavity 24 of the injection mold core 16 is connected to the runner gate 19, and the power oil ports 9, 9' are connected to the high-pressure power oil source. through.
  • a function hole 18 is opened at the junction of the cavity 24 of the injection mold core 16 and the runner gate 19, and the injection mold core 16 is fixedly mounted on the mold 17; then the high-voltage driving function module is fixedly mounted on the mold 17.
  • the function module 15 is located in the function hole 18, and the high-pressure power oil source is connected with the power oil port 9, 9 ' of the micro built-in high-pressure reciprocating cylinder; then the material is added into the injection molding machine, and the injection molding machine heats the material to melt the injection mold.
  • the mold core 16 is closed, and the injection machine nozzle is connected with the flow channel gate 19 and the cavity 24 of the injection mold core 16 to form a closed cavity, and then the molten material is injected into the injection mold mold by a molding machine at a certain pressure and speed.
  • the high-pressure power oil source is controlled to input the pressure oil to the lower part of the micro-high-pressure reciprocating cylinder chamber 6, and the piston rod 5 is driven to drive the function module 15 to the injection mold core 16.
  • the cavity 24 moves at the junction with the runner gate 19, so that the functional module 15 separates the plastic product in the cavity 24 from the runner gate 19; cooling, demoulding, molding Product gate 19 and runner portions are removed, to the thermoplastic plastic parts overlapping with the lower edge gates automatic separation purposes.
  • the third type of use of the high-voltage driving function module of the present invention is used in the injection molding process for eliminating the weld line of the thermoplastic plastic product.
  • the utility model comprises a miniature built-in high-pressure reciprocating cylinder and a function module 15.
  • the bottom of the functional module 15 is provided with a connecting fixing hole 22, and the connecting fixing hole 22 is provided with an internal thread, and the connecting hole 11 connecting the fixing hole 22 and the top end of the piston rod 5 is connected.
  • a headless screw 23 is provided therein, and the headless screw 23 fixedly connects the functional module 15 to the piston rod 5.
  • the micro built-in high-pressure reciprocating cylinder is disposed in the mold 17 on the side of the injection mold core 16 , and the cylinder lock fixing ring 13 is fixed by bolts on the mold 17 on the side of the injection mold core 16 , and the functional module 15 passes through the injection mold Core 16 function
  • the hole 18 is in contact with the cavity 24 of the injection mold core 16, the shape of the functional module 15 is matched with the shape of the hole or groove required in the plastic product, and the power oil port 9, 9' is in communication with the high pressure power oil source. .
  • a functional hole 18 is formed in the injection mold core 16, so that the functional hole 18 corresponds to a hole or a groove on the plastic product, and the injection mold core 16 is fixedly mounted on the mold 17;
  • the group is fixedly mounted on the mold 17, so that the function module 15 is located in the function hole 18, and the high-pressure power oil source is connected with the power oil port 9, 9 ' of the micro built-in high-pressure reciprocating cylinder; then the material is added into the injection molding machine, the injection molding machine The material is melted by heating, the mold core 16 of the injection mold is closed, and the nozzle of the injection molding machine is connected with the runner gate 19 and the cavity 24 of the mold core 16 of the injection mold to form a closed cavity, and then the molten material is fixed by the injection molding machine.
  • the pressure and speed are injected into the cavity 24 of the injection mold core 16, and after the injection molding machine material is completed, before the pressure holding process starts, the high pressure power oil source is controlled to input the pressure oil to the lower part of the micro high pressure reciprocating cylinder chamber 6 to push the pressure oil.
  • the piston rod 5 drives the function module 15 to move into the cavity 24 of the injection mold core 16, so that the functional module 15 is punched out on the plastic product in the cavity 24. Holes or grooves required for the product; after a certain period of time, the film is cooled and demolded.
  • the process of forming holes or grooves in the entire injection molding process is formed by punching the plastic product after the material injection is completed, so that the material does not flow from both sides of the hole or the groove to form a weld line.
  • the fourth type of use of the high-voltage driving function module of the present invention is used in an injection molding process for eliminating shrinkage or hollow bubbles of thermoplastic plastic products.
  • the utility model comprises a miniature built-in high-pressure reciprocating cylinder and a function module 15.
  • the bottom of the functional module 15 is provided with a connecting fixing hole 22, and the connecting fixing hole 22 is provided with an internal thread, and the connecting hole 11 connecting the fixing hole 22 and the top end of the piston rod 5 is connected.
  • a headless screw 23 is provided therein, and the headless screw 23 securely connects the functional module 15 to the piston rod 5.
  • the micro built-in high-pressure reciprocating cylinder is disposed in the mold 17 on the side of the injection mold core 16 , and the cylinder lock fixing ring 13 is fixedly mounted on the mold 17 by bolts, and the functional module 15 passes through the functional hole 18 of the injection mold core 16 and is injection molded.
  • the cavities 24 of the mold core 16 are in contact with each other, and the power oil ports 9, 9' are in communication with the high pressure power oil source.
  • a functional hole 18 is formed in the injection mold core 16, so that the functional hole 18 corresponds to or is in the vicinity of the position on the plastic product which is likely to cause sink marks or hollow bubbles, and the injection mold core 16 is fixedly mounted on the mold 17
  • the high-voltage driving function module is fixedly mounted on the mold 17, so that the function module 15 is placed in the function hole 18, and a certain reserved material area 25 is left between the function module 15 and the cavity 24, and the high voltage is applied.
  • the power oil source is connected with the power oil port 9, 9 ' of the micro built-in high-pressure reciprocating cylinder; then the material is added into the injection molding machine, the injection machine is heated to melt the material, the injection mold core 16 is closed, and the injection molding machine nozzle and the injection mold are injected.
  • the runner gate 19 and the cavity 24 of the core 16 communicate with each other as a closed cavity, and then the molten material is injected into the cavity 24 of the injection mold core 16 by an injection molding machine at a certain pressure and speed, and is injection molded by an injection molding machine.
  • the fifth type of use of the high-voltage driving function module of the present invention is used in an injection molding process for adjusting the pressure difference in the cavity of the injection molding product.
  • the utility model comprises a miniature built-in high-pressure reciprocating cylinder and a function module 15.
  • the bottom of the functional module 15 is provided with a connecting fixing hole 22, and the connecting fixing hole 22 is provided with an internal thread, and the connecting hole 11 connecting the fixing hole 22 and the top end of the piston rod 5 is connected.
  • a headless screw 23 is provided therein, and the headless screw 23 fixedly connects the functional module 15 to the piston rod 5.
  • the micro built-in high-pressure reciprocating cylinder is disposed in the mold 17 on the side of the injection mold core 16 , and the cylinder lock fixing ring 13 is fixedly mounted on the mold 17 by bolts, and the functional module 15 passes through the functional hole 18 of the injection mold core 16 and is injection molded.
  • the cavities 24 of the mold core 16 are in contact with each other, and the power oil ports 9, 9' are in communication with the high pressure power oil source.
  • a functional hole 18 is formed in the injection mold core 16, so that the functional hole 18 corresponds to a portion of the plastic product which is deformed by a pressure difference, and the injection mold core 16 is fixedly mounted on the mold 17;
  • the module is fixedly mounted on the mold 17, so that the function module 15 is located in the function hole 18, and a reserved material area 25 is left between the function module 15 and the cavity 24, and the high-pressure power oil source and the micro-built high-pressure reciprocating cylinder are powered.
  • the oil interface 9, 9' is connected; then the material is added into the injection molding machine, the injection molding machine is heated to melt the material, the injection mold core 16 is closed, the injection nozzle and the injection gate of the injection mold core 16 are 19
  • the cavity 24 communicates with the closed cavity, and then the molten material is injected into the cavity 24 of the injection mold core 16 by the injection molding machine at a certain pressure and speed, and is pressed and pressurized for a certain period of time after the pressure maintaining process is completed;
  • the high-pressure power oil source inputs the pressure oil to the lower part of the micro-high-pressure reciprocating cylinder chamber 6, and pushes the piston rod 5 to drive the function module 15 to the cavity of the injection mold core 16 4 moves, so that the function module 15 squeezes the material of the reserved material area 25 onto the plastic product product to withstand the injection pressure of the injection molding machine, so that the pressure is generated under the extrusion of the functional module 15 to reach the entire product.
  • the pressure on all parts is relatively balanced; cooling, demoulding. Since the pressure is replenished in the portion where the pressure is small in the cavity 24, the pressure in each portion of the cavity 24 is balanced, thereby eliminating the deformation of the plastic product caused by the pressure difference in the cavity 24.
  • the sixth type of use of the high-voltage driving function module of the present invention is used in an injection molding process for eliminating trapping or scorching of thermoplastic plastic products.
  • the utility model comprises a miniature built-in high-pressure reciprocating cylinder and a function module 15.
  • the bottom of the functional module 15 is provided with a connecting fixing hole 22, and the connecting fixing hole 22 is provided with an internal thread, and the connecting hole 11 connecting the fixing hole 22 and the top end of the piston rod 5 is connected.
  • a headless screw 23 is provided therein, and the headless screw 23 fixedly connects the functional module 15 to the piston rod 5.
  • the micro built-in high-pressure reciprocating cylinder is disposed in the mold 17 on the side of the mold core 16 of the injection mold, and the cylinder lock is fastened.
  • the retaining ring 13 is fixed to the mold 17 by bolts, and the functional surface of the functional module 15 is in contact with the cavity 24 of the injection mold core 16 through the functional hole 18 of the injection mold core 16, and the power oil ports 9, 9' and The high-pressure power oil source is connected.
  • a functional hole 18 is formed in the injection mold core 16, so that the functional hole 18 corresponds to a position on the plastic product which is prone to trapping or scorching, and the injection mold core 16 is fixedly mounted on the mold 17;
  • the high-voltage driving function module is fixedly mounted on the mold 17, so that the function module 15 is located in the function hole 18, and a reserved material area 25 is left between the function module 15 and the cavity 24, and the high-pressure power oil source and the micro-built high-voltage reciprocating
  • the hydraulic oil ports 9 and 9' of the oil cylinder are connected; the material is added into the injection molding machine, the injection molding machine is heated to melt the material, the injection mold core 16 is closed, and the injection nozzle of the injection molding machine and the flow gate of the injection mold core 16 are 19 And the cavity 24 is connected to the closed cavity, and then the molten material is injected into the cavity 24 of the injection mold core 16 by the injection molding machine at a certain pressure and speed; after the material injection is completed, the trapped gas on the plastic product is The char
  • a plastic part product as shown in Fig. 15 is a keyboard area panel of a notebook computer.
  • This product generally adopts a double pouring port in the injection molding process, as shown in the pouring port C and the pouring port D, if the material is injected During the process, when two pouring ports are fed at the same time, the welding wire will appear on the upper part of the plastic product, that is, the part with a small cross section, so that the part is easily broken, so that the welding wire does not appear in the upper part of the plastic product. , it is necessary to close or reduce the feeding amount of one of the pouring ports at the beginning of the material injection. When the material is filled with the upper part of the plastic product, the material is injected completely, and the material injection process is completed, so that the welding wire is produced in the plastic The lower part of the product reduces the impact of the weld line on the product.
  • the seventh type of use of the high voltage driving function module of the present invention is used in an injection molding process for controlling the position of the weld line of a thermoplastic plastic product.
  • the utility model comprises a miniature built-in high-pressure reciprocating cylinder and a function module 15.
  • the bottom of the functional module 15 is provided with a connecting fixing hole 22, and the connecting fixing hole 22 is provided with an internal thread, and the connecting hole 11 connecting the fixing hole 22 and the top end of the piston rod 5 is connected.
  • a headless screw 23 is provided therein, and the headless screw 23 fixedly connects the functional module 15 to the piston rod 5.
  • the micro built-in high-pressure reciprocating cylinder is disposed in the mold 17 on the side of the injection mold core 16 , and the cylinder lock fixing ring 13 is fixedly mounted on the mold 17 by bolts, and the functional module 15 passes through the functional hole 18 of the injection mold core 16 and is injection molded.
  • the cavity 24 of the mold core 16 is in contact with the functional module 15 on one side of one of the flow gates 19 of the injection mold core 16, and the power oil ports 9, 9' are in communication with the high pressure power oil source.
  • a functional hole 18 is formed in the injection mold core 16, so that the functional hole 18 corresponds to the position of one of the flow gates 19, and the injection mold core 16 is fixedly mounted on the mold 17; then the high-voltage driving function module is fixed.
  • the function module 15 is located in the function hole 18, and the high-pressure power oil source is connected with the power oil port 9, 9 ' of the micro built-in high-pressure reciprocating cylinder; the material is added into the injection molding machine, and the injection molding machine heats the material.
  • the injection mold core 16 is closed, and the injection machine nozzle is connected with the flow gate 19 and the cavity 24 of the injection mold core 16 to form a closed cavity, and the high-pressure power oil source is controlled before the injection molding machine material injection process begins.
  • the pressure oil is input to the lower portion of the micro-built high-pressure reciprocating cylinder chamber 6, and the piston rod 5 is driven to move the function module 15 to move into one of the runners 19, so that the function module 15 completely or partially closes one of the runners 19
  • the molten material is injected into the cavity 24 of the injection mold core 16 by the injection molding machine at a certain pressure and speed; after injection through the injection molding machine for a period of time, when the weld line is After the position to be generated is in the required position, the high-pressure power oil source is controlled to input the pressure oil to the upper part of the micro-injection high-pressure reciprocating cylinder chamber 6, and the piston rod 5 is pulled to drive the function module 15 away from the cavity 24 of the injection mold core 16.
  • a flow gate 19 that is completely
  • the eighth type of use of the high-voltage driving function module of the present invention is used in an injection molding process for simplifying the micro-wicking structure of the mold.
  • the method includes a micro built-in high-pressure reciprocating cylinder and a core-pulling module 21, and the bottom of the core-pulling module 21 is provided with a connecting fixing hole 22'.
  • the connecting fixing hole 22' is provided with an internal thread, and the fixing hole 22' is connected with the top end of the piston rod 5.
  • a headless screw 23 is disposed in the connecting hole 11, and the headless screw 23 fixedly connects the core pulling module 21 and the piston rod 5.
  • the micro built-in high pressure reciprocating cylinder is disposed in the mold 17 on the side of the injection mold core 16 and the cylinder is locked and fixed.
  • the ring 13 is fixedly mounted on the mold 17, and the core pulling module 21 passes through the functional hole 18 of the injection mold core 16 into the cavity 24 of the injection mold core 16, and the power oil interface 9, 9' is connected to the high-pressure power oil source.
  • a functional hole 18 is formed in the injection mold core 16, so that the functional hole 18 corresponds to a portion of the plastic product that needs to be cored, and the injection mold core 16 is fixedly mounted on the mold 17;
  • the group is fixedly mounted on the mold 17, so that the core pulling module 21 is located in the function hole 18, and the high-pressure power oil source is connected with the power oil port 9, 9 ' of the micro built-in high-pressure reciprocating cylinder;
  • the material is added into the injection molding machine, the injection molding machine
  • the material is melted by heating, the mold core 16 of the injection mold is closed, and the nozzle of the injection molding machine is connected with the runner gate 19 (not shown) of the mold core 16 of the injection mold and the cavity 24 to form a closed cavity, which is carried out in an injection molding machine.
  • the high pressure power oil source is controlled to input the pressure oil to the lower part of the micro high-pressure reciprocating cylinder chamber 6, and the piston rod 5 is driven to move the core module 21 to the cavity 24 of the injection mold core 16, so that the core is pulled.
  • the module 21 enters the cavity 24, and then the molten material is injected into the cavity 24 of the injection mold core 16 by the injection molding machine at a certain pressure and speed; after the material injection is completed, the pressure is maintained for a certain period of time.
  • the high-pressure power oil source is controlled to input pressure oil to the upper part of the micro-high-pressure reciprocating cylinder chamber 6, and the piston rod 5 is pushed to drive the core-pulling module 21 to exit the cavity 24, and is returned to the functional hole 18 to release the mold.
  • the micro built-in high-pressure reciprocating cylinder and the high-voltage driving function module of the invention are mainly used to solve many problems arising in the production process of thermoplastic plastic parts, and have played an important role in improving product quality, and can be based on existing equipment. The transformation is carried out, so it has great market prospects and strong industrial applicability.

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

Abstract

Un Cylindre à huile minitype intégré à mouvement alternatif et à pression élevée comprend une base de cylindre à huile (1), un corps de cylindre à huile (2), un couvercle supérieur de cylindre à huile (3), une butée de rotation de piston (4) et une tige de piston (5). La tige de piston comprend un piston (7) et une tige de poussée (8), et le piston est placé dans une cavité (6). Une partie tige (A) a coupe transversale polygonale est placée à l'extrémité supérieure de la tige de poussée, la butée de rotation de piston est fixée sur l'extrémité supérieure du couvercle supérieur de cylindre à huile, un trou traversant polygonal (B) est disposé dans la butée de rotation de piston, et la partie tige (A) est étroitement emboitée dans le trou traversant (B). Deux joints d'huile de puissance (9, 9') sont disposés dans la base de cylindre à huile, l'un des raccords communiquant avec la partie inférieure de la cavité, l'autre raccord communiquant avec la partie supérieure de la cavité par l'intermédiaire d'un conduit situé dans la paroi latérale du corps de cylindre à huile. Le dispositif présente une construction simple, a un faible coût de production et un fonctionnement facile.
PCT/CN2010/070398 2010-01-28 2010-01-28 Cylindre à huile minitype intégré à mouvement alternatif et à pression élevée WO2011091592A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2010/070398 WO2011091592A1 (fr) 2010-01-28 2010-01-28 Cylindre à huile minitype intégré à mouvement alternatif et à pression élevée

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2010/070398 WO2011091592A1 (fr) 2010-01-28 2010-01-28 Cylindre à huile minitype intégré à mouvement alternatif et à pression élevée

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WO2011091592A1 true WO2011091592A1 (fr) 2011-08-04

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102538856A (zh) * 2011-12-27 2012-07-04 济南试金集团有限公司 液压万能试验机油缸底座装置
WO2016099421A3 (fr) * 2014-12-15 2016-08-25 Petka Kalip San. Ve Tic. Ltd. Sti. Machine de moulage et procédé de production de préforme en pet

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2579640Y (zh) * 2002-11-26 2003-10-15 宁波海天股份有限公司 用于注塑机锁模装置的内置式增压装置
CN2895023Y (zh) * 2006-01-13 2007-05-02 张再顺 保压装置
CN200996399Y (zh) * 2007-01-11 2007-12-26 济南德佳机器有限公司 防止活塞杆转动装置
CN201227857Y (zh) * 2008-01-15 2009-04-29 徐伟甫 注塑机导向内置式顶出油缸

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2579640Y (zh) * 2002-11-26 2003-10-15 宁波海天股份有限公司 用于注塑机锁模装置的内置式增压装置
CN2895023Y (zh) * 2006-01-13 2007-05-02 张再顺 保压装置
CN200996399Y (zh) * 2007-01-11 2007-12-26 济南德佳机器有限公司 防止活塞杆转动装置
CN201227857Y (zh) * 2008-01-15 2009-04-29 徐伟甫 注塑机导向内置式顶出油缸

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102538856A (zh) * 2011-12-27 2012-07-04 济南试金集团有限公司 液压万能试验机油缸底座装置
WO2016099421A3 (fr) * 2014-12-15 2016-08-25 Petka Kalip San. Ve Tic. Ltd. Sti. Machine de moulage et procédé de production de préforme en pet

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