CN111055465B - Mold temperature and pressure control injection molding process and control system for highlight injection molding part - Google Patents
Mold temperature and pressure control injection molding process and control system for highlight injection molding part Download PDFInfo
- Publication number
- CN111055465B CN111055465B CN201911056877.1A CN201911056877A CN111055465B CN 111055465 B CN111055465 B CN 111055465B CN 201911056877 A CN201911056877 A CN 201911056877A CN 111055465 B CN111055465 B CN 111055465B
- Authority
- CN
- China
- Prior art keywords
- mold
- injection molding
- control system
- temperature
- steam heating
- 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.)
- Active
Links
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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7306—Control circuits therefor
-
- 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
- B29C45/7312—Construction of heating or cooling fluid flow channels
-
- 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
- B29C45/7337—Heating or cooling of the mould using gas or steam
-
- 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
- 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
- B29C45/7312—Construction of heating or cooling fluid flow channels
- B29C2045/7318—Construction of heating or cooling fluid flow channels multilayered fluid channel constructions
-
- 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
- B29C2945/76494—Controlled parameter
- B29C2945/76531—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
- B29C2945/76732—Mould
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to a mold temperature and pressure control injection molding process and a control system for a highlight injection molding part, and designs the mold temperature and pressure control injection molding process for the highlight injection molding part, which comprises the following steps: and S1, mold clamping. And S2, inputting high-temperature water vapor. And S3, injection molding. And S4, discharging water vapor. And S5, adding cooling water. And S6, removing the cooling water. And S7, opening the mould. The highlight injection molding part steam heating temperature control system for implementing the injection molding process comprises a moving mold steam heating temperature control system and a fixed mold steam heating temperature control system, wherein the steam heating temperature control system comprises an external pipeline and steam boiler equipment. The invention adopts the pipeline with balanced design in the die, uses water or steam with different temperatures at different stages and is matched with the advanced preheating of the material with high heat conductivity coefficient in the die, thereby realizing the rapid heating or cooling of the surface of the die and improving the surface finish of the product.
Description
Technical Field
The invention relates to the technical field of mold temperature control of highlight injection molding parts, in particular to a mold temperature and pressure control injection molding process and a control system of highlight injection molding parts.
Background
Injection molding is a method for producing moldings from industrial products, which generally use rubber injection molding and plastic injection molding. The injection molding can be classified into injection molding and die casting. An injection molding machine (an injection machine or an injection molding machine for short) is a main molding device for making thermoplastic plastics or thermosetting materials into plastic products with various shapes by using a plastic molding die, and the injection molding is realized by the injection molding machine and the die. It is well known to utilize an injection molding process to form plastic parts for use in component housings. However, the front shell is light and thin as an exterior decoration of a television, the requirement on surface smoothness is high, the front shell mainly has decoration and support functions, the problems of deformation and the like generated in the injection molding production process are main reasons influencing the appearance of an installation machine and a finished product, the rejection rate is high and the production cost is increased when the deformation and the like are serious, residual stress is formed by the difference of volume shrinkage of each part of the product, and when the residual stress is greater than the structural strength, the product is warped and deformed after being demoulded. That is, the shape of the injection-molded article deviates from the shape of the mold cavity, which is one of the common defects of plastic articles. Therefore, reducing plastic deformation, warpage and shrinkage of plastic parts is one of the problems to be solved urgently in the injection molding process of the display shell and other injection molded parts at present. However, no better solution process and preparation system exist at present.
Disclosure of Invention
The invention aims to solve the defects of plastic deformation, warping and shrinkage of injection molding parts caused by poor temperature control of a mold of a high-gloss injection molding part in the prior art, and provides a mold temperature and pressure control injection molding process and a control system of the high-gloss injection molding part
In order to achieve the purpose, the invention adopts the following technical scheme:
designing a mold temperature and pressure control injection molding process of a highlight injection molding part, comprising the following steps of:
s1, mold closing: closing the dies, wherein a steam heating temperature control system is arranged in each die and comprises a balanced conduction pipeline, the conduction pipelines are arranged on the inner walls of the movable die and the fixed die, a layer of material with high heat conductivity coefficient is plated on the inner wall of each die, and the die cavity wall of each die is electrically preheated after the dies are closed, wherein the preheating temperature is 75-86 ℃;
s2, inputting high-temperature water vapor: starting a steam heating temperature control system of the injection molding machine, injecting steam at the temperature of 180-160 ℃ into the inner walls of the movable mold and the fixed mold through a conduction pipeline by the steam heating temperature control system, controlling the mold temperature of the movable mold to be 100-160 ℃, and controlling the mold temperature of the fixed mold to be 100-160 ℃;
s3, injection molding: starting an injection molding machine, performing injection molding on the highlight injection molding piece, and quickly switching to a pressure maintaining state after injection is finished;
s4, discharging water vapor: after injection molding, a steam heating temperature control system is involved, negative pressure is output by a conduction pipeline, and residual high-temperature water vapor in the conduction pipeline is adsorbed;
s5, adding cooling water: the steam heating temperature control system is involved and injects low-temperature water into the inner walls of the movable mold and the fixed mold through a conduction pipeline, and the temperature of the low-temperature water is 10-20 ℃;
s6, removing cooling water: when the mold is cooled to 20 ℃, the steam heating temperature control system intervenes again, negative pressure is output by the conduction pipeline, and residual low-temperature water in the conduction pipeline is adsorbed;
s7, opening the mould: and ejecting the formed finished product to finish the operation.
Preferably, in step S2, the conduction pipe may additionally apply an external pressure of 5-10 mpa during the injection of steam according to the heating requirement.
Preferably, the pressure maintaining parameters in step S3 are: the pressure maintaining pressure is 13-24 MPa, and the pressure maintaining time is 3-4.5 seconds, wherein the temperature of a movable mold is 80-92 ℃, and the temperature of a fixed mold is 80-92 ℃.
Preferably, the conduction pipelines are distributed around the inner walls of the movable die and the fixed die in a snake-shaped tubular shape, and five groups of conduction pipelines are arranged in the movable die and the fixed die.
Preferably, a layer of low-heat-conductivity-coefficient material is clamped between the wall of the mold cavity of the mold and the inner wall of the mold to implement a control system of the mold temperature and pressure control injection molding process of the high-light injection molding part, the control system comprises a moving mold steam heating temperature control system and a fixed mold steam heating temperature control system, the moving mold steam heating temperature control system comprises five groups of snake-shaped conducting pipelines, the five groups of snake-shaped conducting pipelines are arranged on the periphery and the top of a moving mold, and each group of snake-shaped conducting pipelines comprises a hot steam transmitting pipeline and a cooling water transmitting pipeline; the fixed die steam heating temperature control system comprises five groups of snake-shaped conducting pipelines, the five groups of snake-shaped conducting pipelines are arranged on the periphery and the bottom of the fixed die, and each group of snake-shaped conducting pipelines comprises a hot steam transmission pipeline and a cooling water transmission pipeline.
Preferably, the control system comprises external piping and steam boiler equipment, and the hot steam transmission piping and the cooling water transmission piping of each set of serpentine-shaped conduction piping are cyclically connected through a heat exchanger.
The mold temperature and pressure control injection molding process and the control system for the highlight injection molding part have the beneficial effects that: the mold has the advantages that the balanced pipeline is designed in the mold, water or steam with different temperatures is used at different stages and is matched with the preheating in advance of a material with high heat conductivity coefficient in the mold, so that the rapid heating or cooling of the surface of the mold is realized, the heat dissipation or heating is uniform, the stress and deformation of an injection molding part are accurately reduced, the defects of deformation and the like of a light and thin product in the injection molding process are avoided, and the surface smoothness of the product is improved.
Detailed Description
The invention is further illustrated by the following examples.
Example 1:
a mold temperature and pressure control injection molding process for a highlight injection molding part comprises the following steps:
s1, mold closing: the mold is closed, a steam heating temperature control system is arranged in the mold and comprises balanced conduction pipelines, the conduction pipelines are distributed around the inner walls of the movable mold and the fixed mold in a snake-shaped tubular shape, five groups of conduction pipelines are arranged in the movable mold and the fixed mold and are arranged on the inner walls of the movable mold and the fixed mold, a layer of material with high heat conductivity coefficient is plated on the inner wall of the mold, such as pyrolytic graphite and the like, and serves as a mold cavity wall, a layer of material with low heat conductivity coefficient, such as oxide, is clamped between the mold cavity wall and the inner wall of the mold, the mold cavity wall is electrically preheated after the mold is closed, and the preheating temperature is 75 ℃.
S2, inputting high-temperature water vapor: and starting a steam heating temperature control system of the injection molding machine, injecting 180 ℃ steam into the inner walls of the movable mold and the fixed mold through a conduction pipeline, controlling the mold temperature of the movable mold to be 100 ℃, controlling the mold temperature of the fixed mold to be 100 ℃, and additionally applying external pressure of 5 MPa to the steam injected by the conduction pipeline according to heating requirements.
S3, injection molding: and starting an injection molding machine to perform injection molding of the highlight injection molding piece, and quickly switching to a pressure maintaining state after injection is finished, wherein the pressure maintaining pressure is 13 MPa, the pressure maintaining time is 3 seconds, the temperature of a movable mold is 80 ℃, and the temperature of a fixed mold is 80 ℃.
S4, discharging water vapor: after injection molding, a steam heating temperature control system is involved, negative pressure is output by a conduction pipeline, and residual high-temperature water vapor in the conduction pipeline is adsorbed.
S5, adding cooling water: the steam heating temperature control system is involved and injects low-temperature water into the inner walls of the movable mold and the fixed mold through a conduction pipeline, and the temperature of the low-temperature water is 10 ℃.
S6, removing cooling water: when the mold is cooled to 20 ℃, the steam heating temperature control system intervenes again, negative pressure is output by the conduction pipeline, and residual low-temperature water in the conduction pipeline is adsorbed.
S7, opening the mould: and ejecting the formed finished product to finish the operation.
The control system for implementing the mold temperature and pressure control injection molding process of the high-gloss injection molding part comprises a moving mold steam heating temperature control system and a fixed mold steam heating temperature control system, wherein the moving mold steam heating temperature control system comprises five groups of snake-shaped conducting pipelines, the five groups of snake-shaped conducting pipelines are arranged on the periphery and the top of a moving mold, and each group of snake-shaped conducting pipelines comprises a hot steam transmission pipeline and a cooling water transmission pipeline; the fixed die steam heating temperature control system comprises five groups of snake-shaped conduction pipelines, the five groups of snake-shaped conduction pipelines are arranged on the periphery and the bottom of the fixed die, each group of snake-shaped conduction pipes comprises a hot steam transmission pipeline and a cooling water transmission pipeline, the steam heating temperature control system comprises an external pipeline and steam boiler equipment, and the hot steam transmission pipeline and the cooling water transmission pipeline of each group of snake-shaped conduction pipelines are in circulating connection through a heat exchanger.
The invention adopts the pipeline with balanced design in the mould, uses water or steam with different temperatures at different stages and pre-heats the material with high heat conductivity coefficient in the mould in advance, realizes the rapid heating or cooling of the surface of the mould, has uniform heat dissipation or heating, accurately reduces the stress and deformation of an injection molding piece, avoids the generation of defects of deformation and the like of a light and thin product in the injection molding process, and simultaneously improves the surface finish of the product.
Example 2:
a mold temperature and pressure control injection molding process for a highlight injection molding part comprises the following steps:
s1, mold closing: the method comprises the following steps of closing a mold, arranging a steam heating temperature control system in the mold, wherein the steam heating temperature control system comprises balanced conduction pipelines, the conduction pipelines are distributed around the inner walls of a movable mold and a fixed mold in a snake-shaped tubular shape, five groups of conduction pipelines are arranged in the movable mold and the fixed mold, the conduction pipelines are arranged on the inner walls of the movable mold and the fixed mold, a layer of material with high heat conductivity coefficient is plated on the inner wall of the mold, for example, a metal material is used as a mold cavity wall, a layer of material with low heat conductivity coefficient, for example, a polymer material, is clamped between the mold cavity wall and the inner wall of the mold, the mold cavity wall is electrically preheated after the mold is closed, and the preheating temperature is 86 ℃.
S2, inputting high-temperature water vapor: and starting a steam heating temperature control system of the injection molding machine, injecting 320 ℃ steam into the inner walls of the movable mold and the fixed mold through a conduction pipeline, controlling the mold temperature of the movable mold to be 160 ℃, controlling the mold temperature of the fixed mold to be 160 ℃, and additionally applying external pressure of 10 MPa to the steam injected by the conduction pipeline according to heating requirements.
S3, injection molding: and starting an injection molding machine to perform injection molding of the highlight injection molding piece, and quickly switching to a pressure maintaining state after injection is finished, wherein the pressure maintaining pressure is 24 MPa, the pressure maintaining time is 4.5 seconds, the temperature of a movable mold is 92 ℃, and the temperature of a fixed mold is 92 ℃.
S4, discharging water vapor: after injection molding, a steam heating temperature control system is involved, negative pressure is output by a conduction pipeline, and residual high-temperature water vapor in the conduction pipeline is adsorbed.
S5, adding cooling water: the steam heating temperature control system is involved and injects low-temperature water into the inner walls of the movable mold and the fixed mold through a conduction pipeline, and the temperature of the low-temperature water is 20 ℃.
S6, removing cooling water: when the mold is cooled to 20 ℃, the steam heating temperature control system intervenes again, negative pressure is output by the conduction pipeline, and residual low-temperature water in the conduction pipeline is adsorbed.
S7, opening the mould: and ejecting the formed finished product to finish the operation.
The control system for implementing the mold temperature and pressure control injection molding process of the high-gloss injection molding part comprises a moving mold steam heating temperature control system and a fixed mold steam heating temperature control system, wherein the moving mold steam heating temperature control system comprises five groups of snake-shaped conducting pipelines, the five groups of snake-shaped conducting pipelines are arranged on the periphery and the top of a moving mold, and each group of snake-shaped conducting pipelines comprises a hot steam transmission pipeline and a cooling water transmission pipeline; the fixed die steam heating temperature control system comprises five groups of snake-shaped conduction pipelines, the five groups of snake-shaped conduction pipelines are arranged on the periphery and the bottom of the fixed die, each group of snake-shaped conduction pipes comprises a hot steam transmission pipeline and a cooling water transmission pipeline, the steam heating temperature control system comprises an external pipeline and steam boiler equipment, and the hot steam transmission pipeline and the cooling water transmission pipeline of each group of snake-shaped conduction pipelines are in circulating connection through a heat exchanger.
The invention adopts the pipeline with balanced design in the mould, uses water or steam with different temperatures at different stages and pre-heats the material with high heat conductivity coefficient in the mould in advance, realizes the rapid heating or cooling of the surface of the mould, has uniform heat dissipation or heating, accurately reduces the stress and deformation of an injection molding piece, avoids the generation of defects of deformation and the like of a light and thin product in the injection molding process, and simultaneously improves the surface finish of the product.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The mold temperature and pressure control injection molding process of the highlight injection molding part is characterized by comprising the following steps of:
s1, mold closing: closing the dies, wherein a steam heating temperature control system is arranged in each die and comprises a balanced conduction pipeline, the conduction pipelines are arranged on the inner walls of the movable die and the fixed die, a layer of material with high heat conductivity coefficient is plated on the inner wall of each die, and the die cavity wall of each die is electrically preheated after the dies are closed, wherein the preheating temperature is 75-86 ℃;
s2, inputting high-temperature water vapor: starting a steam heating temperature control system of the injection molding machine, injecting steam at the temperature of 180-160 ℃ into the inner walls of the movable mold and the fixed mold through a conduction pipeline by the steam heating temperature control system, controlling the mold temperature of the movable mold to be 100-160 ℃, and controlling the mold temperature of the fixed mold to be 100-160 ℃;
s3, injection molding: starting an injection molding machine, performing injection molding on the highlight injection molding piece, and quickly switching to a pressure maintaining state after injection is finished;
s4, discharging water vapor: after injection molding, a steam heating temperature control system is involved, negative pressure is output by a conduction pipeline, and residual high-temperature water vapor in the conduction pipeline is adsorbed;
s5, adding cooling water: the steam heating temperature control system is involved and injects low-temperature water into the inner walls of the movable mold and the fixed mold through a conduction pipeline, and the temperature of the low-temperature water is 10-20 ℃;
s6, removing cooling water: when the mold is cooled to 20 ℃, the steam heating temperature control system intervenes again, negative pressure is output by the conduction pipeline, and residual low-temperature water in the conduction pipeline is adsorbed;
s7, opening the mould: and ejecting the formed finished product to finish the operation.
2. The mold temperature pressure control injection molding process of claim 1, wherein in step S2, the conducting pipe is injected with steam to apply an external pressure of 5-10 mpa.
3. The mold temperature and pressure controlled injection molding process for high gloss injection molded parts according to claim 1, wherein the holding pressure parameters in step S3 are: the pressure maintaining pressure is 13-24 MPa, and the pressure maintaining time is 3-4.5 seconds, wherein the temperature of a movable mold is 80-92 ℃, and the temperature of a fixed mold is 80-92 ℃.
4. The mold temperature and pressure control injection molding process for high gloss injection molded parts according to claim 1, wherein the conducting pipes are distributed in a serpentine tubular shape around the inner walls of the moving mold and the fixed mold, and five groups of the conducting pipes are arranged in the moving mold and the fixed mold.
5. The mold temperature and pressure controlled injection molding process for high gloss injection molded parts according to claim 1, wherein a layer of low thermal conductivity material is sandwiched between the mold cavity wall and the inner wall of the mold.
6. A control system for implementing the mold temperature and pressure control injection molding process of the highlight injection molding part according to any one of claims 1 to 5, wherein the control system comprises a moving mold steam heating temperature control system and a fixed mold steam heating temperature control system, the moving mold steam heating temperature control system comprises five groups of snake-shaped conducting pipelines, the five groups of snake-shaped conducting pipelines are arranged on the periphery and the top of a moving mold, and each group of snake-shaped conducting pipelines comprises a hot steam conveying pipeline and a cooling water conveying pipeline; the fixed die steam heating temperature control system comprises five groups of snake-shaped conducting pipelines, the five groups of snake-shaped conducting pipelines are arranged on the periphery and the bottom of the fixed die, and each group of snake-shaped conducting pipelines comprises a hot steam transmission pipeline and a cooling water transmission pipeline.
7. The control system for mold temperature and pressure controlled injection molding of highly gloss injection molded parts according to claim 6, wherein the control system comprises external piping and steam boiler equipment, and the heat and cooling water transfer pipes of each set of serpentine shaped transfer pipes are cyclically connected by a heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911056877.1A CN111055465B (en) | 2019-10-31 | 2019-10-31 | Mold temperature and pressure control injection molding process and control system for highlight injection molding part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911056877.1A CN111055465B (en) | 2019-10-31 | 2019-10-31 | Mold temperature and pressure control injection molding process and control system for highlight injection molding part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111055465A CN111055465A (en) | 2020-04-24 |
| CN111055465B true CN111055465B (en) | 2022-02-08 |
Family
ID=70297620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911056877.1A Active CN111055465B (en) | 2019-10-31 | 2019-10-31 | Mold temperature and pressure control injection molding process and control system for highlight injection molding part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111055465B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112797473A (en) * | 2021-01-21 | 2021-05-14 | 德阳市盛塔泡沫包装有限公司 | Floor heating insulation board and preparation method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105365173A (en) * | 2015-12-11 | 2016-03-02 | 滁州市博康模具塑料有限公司 | Quick thermoplastic forming process |
| CN105835300A (en) * | 2016-06-15 | 2016-08-10 | 惠州市鸿利达精密部件有限公司 | High fineness and no-weldlines injection moulding process |
| CN108556292A (en) * | 2018-05-31 | 2018-09-21 | 吴中区甪直鑫诺达模具加工厂 | It is a kind of that there is the metal die for being evenly heated function |
-
2019
- 2019-10-31 CN CN201911056877.1A patent/CN111055465B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111055465A (en) | 2020-04-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10086547B2 (en) | Molding system and method for directly gas-cooling a molding object | |
| CN102320114B (en) | Rapid heating cycle molding (RHCM) process and die with telescopic sprue bush | |
| CN106113428A (en) | A kind of Shooting Technique of PP LGF30 material fronts module | |
| CN1853903A (en) | Jet forming system and method | |
| CN103192483A (en) | Injection molding process of PP (polypropylene) front bumper | |
| CN111055465B (en) | Mold temperature and pressure control injection molding process and control system for highlight injection molding part | |
| CN104626469A (en) | Intelligent temperature control type thin-walled injection molding mold | |
| CN109501313B (en) | Non-isothermal forming device and process for continuous fiber reinforced thermoplastic composite material | |
| CN105235125A (en) | Poly ethylene (PE) material injection molding process | |
| CN203805250U (en) | Mold with circulating cooling water system | |
| CN204451040U (en) | A kind of Intelligent temperature control type thin wall type injection mold | |
| CN103600456A (en) | Vacuum high-pressure foaming process for steering wheel | |
| JPH10100216A (en) | Method for obtaining injection molded product of thermoplastic resin having high quality appearance | |
| JPH10100156A (en) | Method for obtaining molded product of injection compression molding of thermoplastic resin having high quality appearance | |
| CN106903835A (en) | A kind of injection molding process | |
| CN109624350B (en) | Manufacturing mold and manufacturing method for notebook shell | |
| CN102990881A (en) | Water-assisted injection molding process method | |
| CN106079234A (en) | A kind of PA GF30 material is coated with the front-end module Shooting Technique of panel beating | |
| CN107793013A (en) | The heater of model solid glass apparatus for continuous formation | |
| KR101969807B1 (en) | Method for producing diaphragm | |
| CN113071056A (en) | Thick wall injection molding process | |
| CN111993636A (en) | Injection molding process special for silicon hydrogel contact lens mold | |
| CN109693334A (en) | A kind of injection molding process of salad service plate | |
| CN110576568A (en) | Injection compression molding die and method for curvature transparent part | |
| JP2002059468A (en) | Method for injection-molding plastics and device therefor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |