CN113752584A - Dicyclopentadiene forming equipment and joint control system thereof - Google Patents
Dicyclopentadiene forming equipment and joint control system thereof Download PDFInfo
- Publication number
- CN113752584A CN113752584A CN202111008544.9A CN202111008544A CN113752584A CN 113752584 A CN113752584 A CN 113752584A CN 202111008544 A CN202111008544 A CN 202111008544A CN 113752584 A CN113752584 A CN 113752584A
- Authority
- CN
- China
- Prior art keywords
- valve
- exhaust
- forming
- dicyclopentadiene
- cavity
- 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.)
- Granted
Links
Images
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
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
- B29C67/246—Moulding high reactive monomers or prepolymers, e.g. by reaction injection moulding [RIM], liquid injection moulding [LIM]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of chemical material forming processing, in particular to dicyclopentadiene forming equipment and a joint control system thereof; after the product mold is closed, opening a vacuum extraction valve, completely extracting air in a cavity of a forming mold, filling nitrogen, injecting product liquid into the cavity of the forming mold, opening an exhaust control valve to exhaust redundant nitrogen, filling the material in the cavity of the forming mold, indicating a controller body to stop injecting the material when the liquid enters a gas-collecting overflow tank and a liquid sensor responds, and closing a switch valve on the side edge of an exhaust control pipe after the material is injected; opening an inflation valve, and inflating and pressurizing an inflation pipe so as to ensure the density and quality of the product in curing and molding; and finally, maintaining the pressure for 120 seconds, opening the mold and taking the product so as to perfect the curing and forming process and ensure the quality of the product, thereby improving the production efficiency.
Description
Technical Field
The invention relates to the technical field of chemical material forming and processing, in particular to dicyclopentadiene forming equipment and a joint control system thereof.
Background
The conditions needed for the poly-dicyclo-dicyclopentadiene (PDCPD RIM) molding are various, the placing angle of the position of a mold, the material injection mode, the control of pressure and temperature, and the setting of exhaust or back pressure all need to be completely controlled, and oxygen molecules in the cavity of the mold are removed, otherwise, the surface of a product is affected, so that the perfect product without defects can be produced.
The existing dicyclopentadiene forming equipment and the joint control system thereof can not completely remove air in a mold cavity and oxygen molecules harmful to a product, and the product quality is influenced.
Disclosure of Invention
The invention aims to provide dicyclopentadiene forming equipment and a joint control system thereof, and aims to solve the technical problem that air and oxygen molecules harmful to a product in a mold cavity cannot be completely removed by the conventional dicyclopentadiene forming equipment and the joint control system thereof in the prior art, so that the quality of the product is influenced.
In order to achieve the above purpose, the dicyclopentadiene forming device and the joint control system thereof adopted by the invention comprises a forming die, a forming die cavity, a feeding pipe, a nitrogen inlet, a nitrogen control valve, a gas collection overflow tank, an exhaust pipeline, a material detection sensor and a die cavity control component, wherein the forming die cavity is arranged inside the forming die, the feeding pipe is fixedly connected with the forming die and is positioned below the forming die, the nitrogen inlet is arranged at the side edge of the feeding pipe, the nitrogen control valve is arranged at the side edge of the nitrogen inlet, the gas collection overflow tank is arranged above the forming die cavity, one end of the exhaust pipeline penetrates through the forming die and is communicated with the gas collection overflow tank, and the other end of the exhaust pipeline is fixedly connected with the die cavity control component, the material detection sensor is arranged above the gas-collecting overflow tank;
the die cavity control assembly comprises a controller body, an inflation tube, an inflation valve, a vacuum exhaust tube, a vacuum exhaust valve, a pressure gauge, an exhaust control tube, an exhaust control valve and a switch valve, wherein one end of the inflation tube penetrates through the controller body and is communicated with the pressure regulating cavity, the inflation valve is arranged at the other end of the inflation tube, the controller body is fixedly connected with the forming die and is positioned above the forming die, the pressure regulating cavity and an isolation cavity are arranged in the controller body, one end of the vacuum exhaust tube penetrates through the controller body and is communicated with the pressure regulating cavity, the vacuum exhaust valve is arranged at the other end of the vacuum exhaust tube, the exhaust control tube is fixedly connected with the controller body and is positioned at the side edge of the controller body, and the exhaust control valve and the switch valve are arranged at the side edge of the exhaust control tube, the pressure gauge is arranged above the exhaust control pipe.
After a product mold is closed, opening the vacuum extraction valve, completely extracting air in a cavity of the forming mold, filling nitrogen, injecting product liquid into the cavity of the forming mold, opening the exhaust control valve to exhaust redundant nitrogen when the pressure in the cavity of the forming mold exceeds 0.03mpa, when the material in the cavity of the forming mold is filled and the liquid enters the gas-collecting overflow tank, indicating the controller body to stop injecting the material when a liquid sensor arranged above the gas-collecting overflow tank responds, and closing the switch valve on the side edge of the exhaust control pipe after the material injection is completed; opening the inflation valve, inflating and pressurizing the inflation tube, and inflating the internal pressure value of the controller body to 0.1-0.3mpa so as to ensure the density quality of the product in the curing molding process; and finally, maintaining the pressure for 120 seconds, opening the mold and taking the product so as to perfect the curing and forming process and ensure the quality of the product, thereby improving the production efficiency.
The die cavity control assembly further comprises a liquid-gas separator, and the liquid-gas separator is arranged above the exhaust control pipe and is positioned on the side edge of the switch valve.
The liquid-gas separator is arranged above the exhaust control pipe, and when raw materials are injected into the cavity of the forming die, the liquid-gas separation can perform liquid-gas separation on redundant raw materials, so that the product quality is improved.
The die cavity control assembly further comprises a pressure sensor, and the pressure sensor is fixedly connected with the controller body and is positioned above the inflation tube.
Can respond to its inflation pressure value.
The dicyclopentadiene forming equipment further comprises an injection gun head, wherein the injection gun head is fixedly connected with the feeding pipe and is positioned on the side edge of the feeding pipe.
The injection gun head is arranged on the side edge of the feeding pipe, so that raw materials can be conveniently injected into the injection gun head.
The invention also provides a dicyclopentadiene joint control system, which further comprises a PLC control center, wherein one end of the PLC control center is respectively connected with the inflation valve, the pressure sensor, the vacuum extraction valve, the liquid-gas separator, the switch valve and the exhaust control valve, and the other end of the PLC control center is respectively connected with the nitrogen control valve and the injection gun head.
The PLC control center can control the PLC control center in real time, and is very convenient and fast.
The dicyclopentadiene allies oneself with accuse system still includes the seal groove, the seal groove set up in the inside lateral wall of controller body.
The seal groove is arranged on the inner side wall of the controller body, so that the sealing effect inside the controller body can be enhanced, and the production efficiency can be improved.
According to the dicyclopentadiene forming equipment and the joint control system thereof, after a product mold is closed, the temperature of the mold reaches the processing set temperature of 30-90 ℃, the vacuum extraction valve in the mold cavity control assembly is opened, the vacuum pump completely extracts air (the vacuum degree is 376 mm Hg) in the cavity of the forming mold through the vacuum extraction pipe arranged below the vacuum extraction valve, then the nitrogen control valve arranged at the lower end of the forming mold is opened, nitrogen begins to be filled, and the pressure value of the nitrogen is kept at 0.03 mpa; finally, a material injection pump injects a product material liquid into the forming die cavity arranged in the forming die cavity through the material inlet pipe, the material liquid enters the forming die cavity from the material inlet pipe at the lower end, the nitrogen pressure at the upper end is raised, when the internal pressure of the forming die cavity exceeds 0.03mpa, the exhaust control valve is opened, and redundant nitrogen is exhausted from the exhaust control pipe, so that the pressure value in the forming die cavity is kept at 0.03 mpa; when the material in the cavity of the forming die is filled, and the material liquid enters the gas-collecting overflow pool, the material liquid sensor arranged above the gas-collecting overflow pool responds, the controller body is instructed to stop injecting the material, and the switch valve on the side edge of the exhaust control pipe is closed after the material injection is finished; opening the inflation valve, inflating and pressurizing the inflation tube, and inflating the internal pressure value of the controller body to 0.1-0.3mpa so as to ensure the density quality of the product in the curing molding process; and finally, maintaining the pressure for 120 seconds, opening the die and taking the product so as to perfect the curing and forming process and ensure the quality of the product.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a dicyclopentadiene forming apparatus and its joint control system.
Fig. 2 is a partially enlarged view of fig. 1 a of the present invention.
FIG. 3 is a circuit diagram of the PLC control hub of the present invention.
1-forming die, 2-forming die cavity, 3-feeding pipe, 4-nitrogen inlet, 5-nitrogen control valve, 6-gas-collecting overflow pool, 7-exhaust pipeline, 8-material detection sensor, 9-die cavity control component, 91-controller body, 92-inflation pipe, 93-inflation valve, 94-vacuum exhaust pipe, 95-vacuum exhaust valve, 96-pressure gauge, 97-exhaust control pipe, 98-exhaust control valve, 99-switch valve, 10-pressure regulating cavity, 101-isolating cavity, 102-liquid-gas separator, 103-pressure sensor, 104-injection gun head, 105-PLC control center, 106-sealing groove, 107-overflow tank and 108-sealing ring.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 3, the present invention provides a dicyclopentadiene forming apparatus, which includes a forming mold 1, a forming mold cavity 2, a feeding pipe 3, a nitrogen inlet 4, a nitrogen control valve 5, a gas collection overflow tank 6, an exhaust pipe 7, a material detection sensor 8 and a mold cavity control component 9, wherein the forming mold cavity 2 is disposed inside the forming mold 1, the feeding pipe 3 is fixedly connected with the forming mold 1 and is located below the forming mold 1, the nitrogen inlet 4 is disposed at a side of the feeding pipe 3, the nitrogen control valve 5 is disposed at a side of the nitrogen inlet 4, the gas collection overflow tank 6 is disposed above a mold cavity of the forming mold 1, one end of the exhaust pipe 7 penetrates through the forming mold 1 and is communicated with the gas collection overflow tank 6, and the other end of the exhaust pipe 7 is fixedly connected with the mold cavity control component 9, the material detection sensor 8 is arranged above the gas-collecting overflow tank 6;
the mold cavity control assembly 9 comprises a controller body 91, an inflation tube 92, an inflation valve 93, a vacuum pumping tube 94, a vacuum pumping valve 95, a pressure gauge 96, an exhaust control tube 97, an exhaust control valve 98 and a switch valve 99, wherein one end of the inflation tube 92 penetrates through the controller body 91 and is communicated with the pressure regulating cavity 10, the inflation valve 93 is arranged at the other end of the inflation tube 92, the controller body 91 is fixedly connected with the molding mold 1 and is positioned above the molding mold 1, a pressure regulating cavity 10 and an isolation cavity 101 are arranged in the controller body 91, one end of the vacuum pumping tube 94 penetrates through the controller body 91 and is communicated with the pressure regulating cavity 10, the vacuum pumping valve 95 is arranged at the other end of the vacuum pumping tube 94, the exhaust control tube 97 is fixedly connected with the controller body 91 and is positioned at the side edge of the controller body 91, the exhaust control valve 98 and the on-off valve 99 are both disposed at a side of the exhaust control pipe 97, and the pressure gauge 96 is disposed above the exhaust control pipe 97.
In this embodiment, the forming mold cavity 2 is provided inside the forming mold 1, the feeding pipe 3 is disposed below the forming mold 1, the nitrogen inlet 4 is disposed at a side of the feeding pipe 3, the nitrogen control valve 5 is disposed at a side of the nitrogen inlet 4, the gas collection overflow tank 6 is disposed inside the forming mold cavity 2, the material detection sensor 8 is disposed above the gas collection overflow tank 6, the exhaust pipe 7 is disposed above the forming mold 1, the mold cavity control assembly 9 is disposed above the forming mold 1, after the product mold is closed, the temperature of the mold reaches 30-90 degrees, the vacuum suction valve 95 in the mold cavity control assembly 9 is opened, and the vacuum pump sucks air (with a vacuum degree of 376 mm hg) in the forming mold cavity 2 through the vacuum suction pipe 94 disposed below the vacuum suction valve 95 Cleaning, then opening the nitrogen control valve 5 arranged at the lower end of the forming die 1, starting to fill nitrogen, and keeping the pressure value of the nitrogen at 0.03 mpa; finally, a material injection pump injects a product material liquid into the forming die cavity 2 arranged in the forming die 1 through the material feeding pipe 3, when the material liquid enters the forming die cavity 2 from the material feeding pipe 3 at the lower end, the nitrogen pressure at the upper end is raised, and when the internal pressure of the forming die cavity 2 exceeds 0.03mpa, the exhaust control valve 98 is opened, and the redundant nitrogen is exhausted from the exhaust control pipe 97, so as to ensure that the pressure value in the forming die cavity 2 is kept at 0.03 mpa; when the material in the cavity 2 of the forming die is filled and the material liquid enters the gas-collecting overflow pool 6, the controller 91 is instructed to stop injecting the material when the material liquid sensor 8 arranged above the gas-collecting overflow pool 6 responds, and the switch valve 99 on the side of the exhaust control pipe 97 is closed after the material injection is finished; the inflation valve 93 is opened, the inflation tube 92 is inflated and pressurized, and the internal pressure value of the controller body 91 is inflated to 0.1-0.3mpa, so as to ensure the density quality of the product in the curing molding process; and finally, maintaining the pressure for 120 seconds, opening the die and taking the product so as to perfect the curing and forming process and ensure the quality of the product.
Further, the mold cavity control assembly 9 further includes an air-liquid separator 102, and the air-liquid separator 102 is disposed above the exhaust control pipe 97 and is located at a side of the on-off valve 99.
In the present embodiment, the liquid-gas separator 102 is provided above the exhaust control pipe 97, and when the raw material is injected into the molding die cavity 2, the liquid-gas separation can separate the excess raw material into liquid and gas, thereby improving the product quality.
Further, the mold cavity control assembly 9 further comprises a pressure sensor 103, wherein the pressure sensor 103 is fixedly connected to the controller body 91 and is located above the gas filling pipe 92.
In this embodiment, the pressure sensor 103 is disposed at a side of the controller 91, and when the inside is inflated, the pressure sensor 103 can sense the inside in real time, which is very convenient.
Further, the dicyclopentadiene forming equipment further comprises an injection gun head 104, and the injection gun head 104 is fixedly connected with the feeding pipe 3 and is positioned on the side edge of the feeding pipe 3.
In this embodiment, the injection gun head 104 is disposed at the lower side of the feeding pipe 3, so that when raw material needs to be injected into the feeding pipe, the raw material can be filled through the injection gun head 104, which is very convenient and fast.
The invention also comprises a dicyclopentadiene linkage control system, which comprises the dicyclopentadiene forming equipment and a PLC control center 105, wherein one end of the PLC control center 105 is respectively connected with the inflation valve 93, the pressure sensor 103, the vacuum extraction valve 95, the liquid-gas separator 102, the switch valve 99 and the exhaust control valve 98, and the other end of the PLC control center 105 is respectively connected with the nitrogen control valve 5 and the injection gun head 104.
In this embodiment, one end of the PLC control center 105 is connected to the nitrogen control valve 5 and the injection gun head 104, and after the raw material is injected into the molding die cavity 2 through the injection gun head 104, the nitrogen control valve 5 is opened to inject nitrogen gas, and finally the controller body 91 above the molding die 1 is controlled.
Further, the dicyclopentadiene forming system further includes a sealing groove 106, and the sealing groove 106 is disposed on an inner sidewall of the controller body 91.
In the present embodiment, the sealing groove 106 is provided in the inner sidewall of the controller body 91, and can enhance the sealing effect against the inside of the controller body 91, thereby improving the production efficiency.
Further, the dicyclopentadiene forming device further comprises two overflow troughs 107, wherein the two overflow troughs 107 are respectively and oppositely arranged on two side edges of the gas-collecting overflow tank 6.
In the present embodiment, the overflow trough 107 is disposed on two sides of the gas-collecting overflow pool 6, and can assist the gas-collecting overflow pool 6.
Further, the dicyclopentadiene forming device further comprises a sealing ring 108, wherein the sealing ring 108 is fixedly connected with the forming die 1 and is located on the inner side wall of the forming die 1.
In this embodiment, the sealing ring 108 is disposed on the inner sidewall of the forming mold 1, and can assist the forming mold 1 to enhance the sealing effect, thereby improving the product quality and the production efficiency.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A dicyclopentadiene forming device is characterized in that,
the dicyclopentadiene forming equipment comprises a forming die, a forming die cavity, a feeding pipe, a nitrogen inlet, a nitrogen control valve, a gas collection overflowing material pool, an exhaust pipeline, a material detection sensor and a die cavity control assembly, wherein the forming die cavity is arranged inside the forming die, the feeding pipe is fixedly connected with the forming die and positioned below the forming die, the nitrogen inlet is arranged on the side edge of the feeding pipe, the nitrogen control valve is arranged on the side edge of the nitrogen inlet, the gas collection overflowing material pool is arranged above a forming die cavity, one end of the exhaust pipeline penetrates through the forming die and is communicated with the gas collection overflowing material pool, the other end of the exhaust pipeline is fixedly connected with the die cavity control assembly, and the material detection sensor is arranged above the gas collection overflowing material pool;
the die cavity control assembly comprises a controller body, an inflation tube, an inflation valve, a vacuum exhaust tube, a vacuum exhaust valve, a pressure gauge, an exhaust control tube, an exhaust control valve and a switch valve, wherein one end of the inflation tube penetrates through the controller body and is communicated with the pressure regulating cavity, the inflation valve is arranged at the other end of the inflation tube, the controller body is fixedly connected with the forming die and is positioned above the forming die, the pressure regulating cavity and an isolation cavity are arranged in the controller body, one end of the vacuum exhaust tube penetrates through the controller body and is communicated with the pressure regulating cavity, the vacuum exhaust valve is arranged at the other end of the vacuum exhaust tube, the exhaust control tube is fixedly connected with the controller body and is positioned at the side edge of the controller body, and the exhaust control valve and the switch valve are arranged at the side edge of the exhaust control tube, the pressure gauge is arranged above the exhaust control pipe.
2. The dicyclopentadiene forming apparatus of claim 1,
the die cavity control assembly further comprises a liquid-gas separator, and the liquid-gas separator is arranged above the exhaust control pipe and is positioned on the side edge of the switch valve.
3. The dicyclopentadiene forming apparatus of claim 2,
the die cavity control assembly further comprises a pressure sensor, and the pressure sensor is fixedly connected with the controller body and is positioned above the inflation tube.
4. The dicyclopentadiene forming apparatus of claim 3,
the dicyclopentadiene forming equipment further comprises an injection gun head, and the injection gun head is fixedly connected with the feeding pipe and is positioned on the side edge of the feeding pipe.
5. A dicyclopentadiene joint control system comprising the dicyclopentadiene forming apparatus as claimed in claim 4,
the device is characterized by further comprising a PLC control center, wherein one end of the PLC control center is connected with the inflation valve, the pressure sensor, the vacuum extraction valve, the liquid-gas separator, the switch valve and the exhaust control valve respectively, and the other end of the PLC control center is connected with the nitrogen control valve and the injection gun head respectively.
6. The dicyclopentadiene integrated control system of claim 5,
the dicyclopentadiene allies oneself with accuse system still includes the seal groove, the seal groove set up in the inside lateral wall of controller body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111008544.9A CN113752584B (en) | 2021-08-31 | 2021-08-31 | Dicyclopentadiene forming equipment and associated control system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111008544.9A CN113752584B (en) | 2021-08-31 | 2021-08-31 | Dicyclopentadiene forming equipment and associated control system thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113752584A true CN113752584A (en) | 2021-12-07 |
| CN113752584B CN113752584B (en) | 2023-06-09 |
Family
ID=78791988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111008544.9A Active CN113752584B (en) | 2021-08-31 | 2021-08-31 | Dicyclopentadiene forming equipment and associated control system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113752584B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115139462A (en) * | 2022-05-26 | 2022-10-04 | 东风柳州汽车有限公司 | Reaction injection molding die and preparation method of reaction injection molding product |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005169787A (en) * | 2003-12-10 | 2005-06-30 | Toray Ind Inc | Method and apparatus for manufacturing frp |
| US20070108663A1 (en) * | 2005-11-14 | 2007-05-17 | Hitachi Maxell, Ltd. | Method of injection molding thermoplastic resin using supercritical fluid and injection molding apparatus |
| CN209971302U (en) * | 2019-04-17 | 2020-01-21 | 四川立民制冷科技有限公司 | Automatic aligning device for injection gate of polydicyclopentadiene material injection machine |
| CN111204006A (en) * | 2020-01-16 | 2020-05-29 | 大成普道新材料技术有限公司 | Production method and application of hollow polydicyclopentadiene product |
| CN211074440U (en) * | 2019-09-27 | 2020-07-24 | 贵州凯峰科技有限责任公司 | Pressure control system of plastic foaming mold |
| CN112706349A (en) * | 2021-03-26 | 2021-04-27 | 成都东日瑞姆机械有限公司 | Dicyclopentadiene-based reaction injection molding system |
-
2021
- 2021-08-31 CN CN202111008544.9A patent/CN113752584B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005169787A (en) * | 2003-12-10 | 2005-06-30 | Toray Ind Inc | Method and apparatus for manufacturing frp |
| US20070108663A1 (en) * | 2005-11-14 | 2007-05-17 | Hitachi Maxell, Ltd. | Method of injection molding thermoplastic resin using supercritical fluid and injection molding apparatus |
| CN209971302U (en) * | 2019-04-17 | 2020-01-21 | 四川立民制冷科技有限公司 | Automatic aligning device for injection gate of polydicyclopentadiene material injection machine |
| CN211074440U (en) * | 2019-09-27 | 2020-07-24 | 贵州凯峰科技有限责任公司 | Pressure control system of plastic foaming mold |
| CN111204006A (en) * | 2020-01-16 | 2020-05-29 | 大成普道新材料技术有限公司 | Production method and application of hollow polydicyclopentadiene product |
| CN112706349A (en) * | 2021-03-26 | 2021-04-27 | 成都东日瑞姆机械有限公司 | Dicyclopentadiene-based reaction injection molding system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115139462A (en) * | 2022-05-26 | 2022-10-04 | 东风柳州汽车有限公司 | Reaction injection molding die and preparation method of reaction injection molding product |
| CN115139462B (en) * | 2022-05-26 | 2023-12-15 | 东风柳州汽车有限公司 | Reaction injection molding die and preparation method of reaction injection molding product |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113752584B (en) | 2023-06-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206678300U (en) | A kind of injection mold gas extraction system | |
| CN113752584A (en) | Dicyclopentadiene forming equipment and joint control system thereof | |
| CN206106422U (en) | Novel vacuum bag shaping device | |
| CN104786345B (en) | Automatic pressure casting molding device for preparing ITO green bodies | |
| CN206038396U (en) | Soil depressimeter pot clay end preprocessing device | |
| CN207105472U (en) | A kind of sealing joint strip for liquid-state silicon gel injection mold | |
| CN205888022U (en) | Vacuum die -casting mould | |
| CN206961962U (en) | A kind of vacuum packaging machine with recovery function | |
| CN206852007U (en) | A kind of expanded cut tobacco exhaust apparatus | |
| CN215247118U (en) | High-purity water nitrogen sealing device | |
| CN209682771U (en) | It is a kind of to there is the automatic of bone seat sizing cotton to go bubbler system | |
| CN210055686U (en) | Bubble machine capable of improving inflation quantity | |
| CN210880486U (en) | Device for automatically dewatering latex product in vulcanization process | |
| JPS57197136A (en) | Mold apparatus of injection molding machine | |
| JPS56111648A (en) | Manufacture of porous resin product | |
| CN216860480U (en) | Cartoon handheld injection mold capable of preventing vacuum bubbles | |
| CN213198634U (en) | Forming die for plastic frame body with large-size structure | |
| CN220146486U (en) | Casting polyurethane product forming device suitable for large-scale batch production | |
| CN212194082U (en) | Injection mold ejecting device with higher speed | |
| CN205933243U (en) | Ultrasonic wave graphite saturating device | |
| CN205522250U (en) | Plastics kettle setting device | |
| CN108437329A (en) | A kind of carpet processing foaming and forming apparatus | |
| CN114162381B (en) | Liquid injection mechanism for oral liquid and liquid injection machine based on same | |
| CN212193811U (en) | A mould for rubber sleeve production | |
| CN107984694A (en) | A kind of die injection moulding positioner |
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 |