CN103934976A - Heat insulation hot runner system of automobile injection mold - Google Patents
Heat insulation hot runner system of automobile injection mold Download PDFInfo
- Publication number
- CN103934976A CN103934976A CN201410132085.9A CN201410132085A CN103934976A CN 103934976 A CN103934976 A CN 103934976A CN 201410132085 A CN201410132085 A CN 201410132085A CN 103934976 A CN103934976 A CN 103934976A
- Authority
- CN
- China
- Prior art keywords
- plate
- hot runner
- nozzle
- heat insulation
- hot
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000002347 injection Methods 0.000 title claims abstract description 17
- 239000007924 injection Substances 0.000 title claims abstract description 17
- 238000009413 insulation Methods 0.000 title abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000011810 insulating material Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 abstract description 12
- 229920003023 plastic Polymers 0.000 abstract description 12
- 238000001746 injection moulding Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000012774 insulation material Substances 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 238000010345 tape casting Methods 0.000 abstract 1
- -1 polyethylene Polymers 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 238000007766 curtain coating Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- 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
- B29C45/7331—Heat transfer elements, e.g. heat pipes
-
- 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
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76655—Location of control
- B29C2945/76658—Injection unit
- B29C2945/76688—Injection unit nozzle
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a heat insulation hot runner system of an automobile injection mold. The heat insulation hot runner system comprises a fixed die, a movable die and a hot runner, wherein the fixed die comprises a fixed seat plate; a positioning screw is arranged on the fixed seat plate; the movable die comprises a movable plate; a pouring gate sleeve is arranged on a fixed plate; one end of the pouring gate sleeve is connected with an injection molding machine, and the other end of the pouring gate sleeve is connected with a nozzle through the hot runner; a needle valve is arranged in the nozzle, so that the phenomenon of tape casting of melted plastic is avoided; the hot runner and a surrounding hot runner plate are made of a heat insulation material, and the hot runner and the hot runner plate are fixed through a sealing plug; the hot runner is also provided with a spring pressing ring; an electrothermal ring for keeping the temperature of the nozzle is arranged round the nozzle; the nozzle is connected with a molded core through a pouring gate lining; a push rod is arranged on a movable plate panel; the head of the push rod leans against a piece pushing plate. The heat insulation hot runner system is used for die opening, has a heat insulation function and keeps the constant temperature; plastic in a pouring system is always in a melted state, and a multi-point pouring gate can be realized; the forming period is short, and the production efficiency is high.
Description
Technical field
The present invention relates to automobile die injection moulding field, particularly relate to a kind of automobile injection mold adiabatic heat flow passage system.
Background technology
Hot flow path claims again without runner, it is the developing direction of large-scale plastic injection mould design, its implication is to still have runner in running gate system, only large than common runner, or adopts nozzle-type runner, and this runner also adopts the method for inside or external heat to be incubated, make plastics wherein remain molten condition, the advantage of TOP-TIP: because the melt in running gate system in injection process does not solidify, to realize automatic high-speed injection moulding, but cost is high, complex structure.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of automobile injection mold adiabatic heat flow passage system, can simplified structure, reduce costs.
A kind of automobile injection mold adiabatic heat flow passage system comprises cover half, dynamic model, and TOP-TIP, wherein TOP-TIP is divided into sprue and runner, wherein cover half contains reservation plate, on reservation plate, be provided with dog screw, dynamic model includes moving plate, determining on plate, to be provided with sprue bush, sprue bush one end is connected with injection machine, the other end is connected with nozzle by hot flow path, in nozzle, be provided with needle-valve, prevent happy and harmonious plastics curtain coating phenomenon, described hot flow path and around hot runner manifold are heat-insulating material, and fix by sealing-plug and hot runner manifold, hot flow path is also provided with spring pressure ring, nozzle arranges the temperature that electrothermal ring is used for keeping nozzle around, nozzle is connected with core by gate bush, core is surrounded by core plate outward, core plate upper end is connected with gate plate, gate plate is connected with hot runner manifold with pillar by locating ring, on moving plate panel, be provided with push rod, push rod head is near push piece plate, for die sinking.
A preferred version, also arranges attemperating unit around at nozzle, with electrothermal ring, keeps nozzle temperature around, avoids making plastics to burn
An optimal technical scheme, described plastic material is polyethylene, polypropylene, polystyrene, Merlon etc.
An optimal technical scheme, described sprue and runner are cylindrical, and diameter is very large, do very thickly, can be 30mm, also can cancel runner, use separately a sprue.
An optimal technical scheme, when nozzle arranges heating around, also arranges heating at gate plate, makes melt at cast gate place, remain the molten condition that is conducive to moulding.
An optimal technical scheme, described hot runner manifold can adopt mode of heating, inserts manifold formula heater in plate, makes hot runner manifold keep stable temperature, hot runner manifold heat-insulating material.
The invention has the beneficial effects as follows: melt temperature wider range of the present invention, viscosity changes little within the scope of melt temperature, and heat distortion temperature is higher, and plastic is solidifiable under higher temperature, can eject as early as possible, shortens the plastic cycle, and production efficiency is high.
Accompanying drawing explanation
Fig. 1 is injection mold hot runner system architecture schematic diagram of the present invention;
Wherein 1 is: dog screw, and 2 is reservation plate, and 3 is mat insulation, and 4 is sealing-plug, 5 is bracing frame, and 6 is nozzle, and 7 is gate bush, and 8 is push piece plate, 9 is moving plate, and 10 is push rod, and 11 is core, 12 is core plate, and 13 is gate plate, and 14 is locating ring, 15 is pillar, and 16 is spring pressure ring, and 17 is hot runner manifold, 18 is sprue bush, and 19 is electrothermal ring, 20 needle-valves.
The specific embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
Refer to Fig. 1, a kind of automobile injection mold adiabatic heat flow passage system comprises cover half, dynamic model, and TOP-TIP, wherein TOP-TIP is divided into sprue and runner, wherein cover half contains reservation plate 2, on reservation plate, be provided with dog screw 1, dynamic model includes moving plate 9, determining on plate 2, to be provided with sprue bush 18, sprue bush 18 one end are connected with injection machine, the other end is connected with nozzle 6 by hot flow path, in nozzle 6, be provided with needle-valve 20, needle-valve 20 prevents molten plastic curtain coating phenomenon, described hot flow path and around hot runner manifold 17 are heat-insulating material, and fixing with hot runner manifold 17 by sealing-plug 4, hot flow path is also provided with spring pressure ring 16, nozzle 6 arranges the temperature that electrothermal ring 19 is used for keeping nozzle 6 around, nozzle 6 is connected with core 11 by gate bush 7, the outer core plate 12 that is surrounded by of core 11, core plate 12 upper ends are connected with gate plate 13, gate plate is connected with hot runner manifold 17 with pillar 15 by locating ring 14, on moving plate 9 panels, be provided with push rod 10, push rod head is near push piece plate 8, for die sinking, at nozzle 6, attemperating unit is also set around, with electrothermal ring, keep nozzle temperature around, avoid making plastics to burn, described plastic material is polyethylene, polypropylene, polystyrene, Merlon etc., described sprue and runner are cylindrical, and diameter is very large, do very thickly, can be 30mm, described hot runner manifold adopts mode of heating, in plate, insert manifold formula heater, make hot runner manifold keep stable temperature, hot runner manifold heat-insulating material
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (4)
1. an automobile injection mold adiabatic heat flow passage system, it is characterized in that, comprise cover half, dynamic model, and hot flow path, wherein hot flow path is divided into sprue and runner, wherein cover half contains reservation plate, on reservation plate, be provided with dog screw, dynamic model includes moving plate, determining on plate, to be provided with sprue bush, sprue bush one end is connected with injection machine, the other end is connected with nozzle by hot flow path, in nozzle, be provided with needle-valve, described hot flow path and around hot runner manifold are heat-insulating material, and fix by sealing-plug and hot runner manifold, hot flow path is provided with spring pressure ring, nozzle arranges electrothermal ring around, nozzle is connected with core by gate bush, core is surrounded by core plate outward, core plate upper end is connected with gate plate, gate plate is connected with hot runner manifold with pillar by locating ring, on moving plate panel, push rod is set, push rod head is near push piece plate.
2. a kind of automobile injection mold adiabatic heat flow passage system according to claim 1, is characterized in that, described sprue and runner are cylindrical, and diameter is 30mm.
3. a kind of automobile injection mold adiabatic heat flow passage system according to claim 1, is characterized in that, when nozzle arranges heating around, at gate plate, heating is also set.
4. a kind of automobile injection mold adiabatic heat flow passage system according to claim 1, is characterized in that, described hot runner manifold adopts mode of heating, inserts manifold formula heater in plate, and hot runner manifold material is heat-insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410132085.9A CN103934976A (en) | 2014-04-03 | 2014-04-03 | Heat insulation hot runner system of automobile injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410132085.9A CN103934976A (en) | 2014-04-03 | 2014-04-03 | Heat insulation hot runner system of automobile injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103934976A true CN103934976A (en) | 2014-07-23 |
Family
ID=51182976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410132085.9A Pending CN103934976A (en) | 2014-04-03 | 2014-04-03 | Heat insulation hot runner system of automobile injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103934976A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275775A (en) * | 2014-09-05 | 2015-01-14 | 浙江凯华模具有限公司 | Thermal-insulation hot runner of main runner of injection mold with multiple cavities |
| CN108638446A (en) * | 2018-05-28 | 2018-10-12 | 苏州优耐富自动化设备有限公司 | A kind of accumulator battery case and battery cover hot flow path plastic mould |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4648833A (en) * | 1985-10-17 | 1987-03-10 | Fujio Yamada | Hot nozzle for runnerless mold |
| CN201483722U (en) * | 2009-12-11 | 2010-05-26 | 恒毅模具注塑(深圳)有限公司 | Hot runner injection mould used for injection molding of battery jar or cover |
| CN201712124U (en) * | 2010-05-19 | 2011-01-19 | 牟维军 | Heating runner mold with external heating multi-cavity |
| CN102029686A (en) * | 2009-10-03 | 2011-04-27 | 牟维军 | Internal heating type multi-cavity hot runner mold |
-
2014
- 2014-04-03 CN CN201410132085.9A patent/CN103934976A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4648833A (en) * | 1985-10-17 | 1987-03-10 | Fujio Yamada | Hot nozzle for runnerless mold |
| CN102029686A (en) * | 2009-10-03 | 2011-04-27 | 牟维军 | Internal heating type multi-cavity hot runner mold |
| CN201483722U (en) * | 2009-12-11 | 2010-05-26 | 恒毅模具注塑(深圳)有限公司 | Hot runner injection mould used for injection molding of battery jar or cover |
| CN201712124U (en) * | 2010-05-19 | 2011-01-19 | 牟维军 | Heating runner mold with external heating multi-cavity |
Non-Patent Citations (1)
| Title |
|---|
| 马光全: "《塑料成型工艺与模具设计》", 31 January 2013, 北京大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275775A (en) * | 2014-09-05 | 2015-01-14 | 浙江凯华模具有限公司 | Thermal-insulation hot runner of main runner of injection mold with multiple cavities |
| CN108638446A (en) * | 2018-05-28 | 2018-10-12 | 苏州优耐富自动化设备有限公司 | A kind of accumulator battery case and battery cover hot flow path plastic mould |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140723 |