CN112810015A - Microwave heating foaming forming mechanism and foaming forming method thereof - Google Patents
Microwave heating foaming forming mechanism and foaming forming method thereof Download PDFInfo
- Publication number
- CN112810015A CN112810015A CN201911117259.3A CN201911117259A CN112810015A CN 112810015 A CN112810015 A CN 112810015A CN 201911117259 A CN201911117259 A CN 201911117259A CN 112810015 A CN112810015 A CN 112810015A
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- foaming
- microwave
- mold
- die
- cavity
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Links
- 238000005187 foaming Methods 0.000 title claims abstract description 106
- 238000010438 heat treatment Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000002347 injection Methods 0.000 claims abstract description 56
- 239000007924 injection Substances 0.000 claims abstract description 56
- 239000000463 material Substances 0.000 claims abstract description 39
- 229920003023 plastic Polymers 0.000 claims abstract description 35
- 239000004033 plastic Substances 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 239000011810 insulating material Substances 0.000 claims abstract description 7
- 238000000465 moulding Methods 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 238000010097 foam moulding Methods 0.000 claims 4
- 239000007787 solid Substances 0.000 claims 4
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000004134 energy conservation Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000006260 foam Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- XVNPNGPNQJUMSL-UHFFFAOYSA-N 1-ethyl-1-phenylthiourea Chemical compound CCN(C(N)=S)C1=CC=CC=C1 XVNPNGPNQJUMSL-UHFFFAOYSA-N 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3415—Heating or cooling
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/58—Moulds
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
- B29C2035/0855—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using microwave
Abstract
The invention discloses a microwave heating foaming forming mechanism and a foaming forming method thereof, wherein the microwave heating foaming forming mechanism comprises a fixed die, a movable die, a fixed die frame, a movable die frame and a foaming material injection pipe, each fixed die frame and the corresponding movable die frame are combined to form a complete die cavity, each die cavity corresponds to at least one foaming material injection pipe, the foaming material injection pipe is used for injecting foaming plastics and liquid into the die cavity, at least one microwave shielding cover is arranged on the fixed die, at least one microwave shielding cover is arranged on the movable die, each microwave shielding cover covers the corresponding microwave shielding cover to form a complete microwave shielding cavity, each die cavity corresponds to one microwave shielding cavity, each microwave shielding cavity is independently connected with a microwave generator, and the movable die frame and the fixed die frame are both made of high-temperature-resistant insulating materials. The foaming forming machine has the advantages of simple and compact structure, small overall volume, low energy consumption, no pollution, energy conservation and environmental protection, and not only reduces the manufacturing and using cost.
Description
Technical Field
The invention belongs to the field of plastic product processing, and particularly relates to a microwave heating foaming forming mechanism and a foaming forming method thereof.
Background
At present, a foaming forming mechanism of a plastic foaming forming machine generally adopts the way that steam generated by a boiler or a steam generator is fed into a mold cavity and is matched with foaming plastic injected into the mold cavity for foaming, and the boiler or the steam generator generates steam, so that on one hand, the structure is relatively complex, and the integral volume of the foaming forming machine is increased; on the other hand, the boiler needs to use coal or gas, so that the energy consumption is high, the emission can also generate pollution, and the manufacturing and using cost is increased.
Disclosure of Invention
In order to solve the defects and shortcomings in the prior art, the invention provides the microwave heating foaming forming mechanism and the foaming forming method thereof, wherein the microwave heating liquid is adopted to generate steam to be matched with foaming plastics for foaming, on one hand, the structure is simple and compact, the whole volume of a foaming forming machine is reduced, on the other hand, the microwave generator only needs to use electric energy, the energy consumption is low, no pollution is caused, the manufacturing and using cost is reduced, and the energy is saved and the environment is protected.
The technical scheme of the invention is as follows: a microwave heating foaming forming mechanism comprises a fixed die, a movable die, at least one fixed die frame fixed on the fixed die, at least one movable die frame fixed on the movable die, and at least one foaming material injection pipe arranged on the fixed die, wherein each fixed die frame and the movable die frame corresponding to the fixed die are combined to form a complete die cavity, each die cavity corresponds to at least one foaming material injection pipe used for injecting foaming plastics and liquid into the die cavity, the fixed die is provided with at least one microwave shielding cover, the movable die is provided with at least one microwave shielding cover matched with the microwave shielding cover, each microwave shielding cover covers the microwave shielding cover corresponding to the microwave shielding cover to form a complete microwave shielding cavity, each die cavity corresponds to one microwave shielding cavity, and each microwave shielding cavity is independently connected with a microwave generator, when the microwave shielding cover covers the microwave shielding cover, the mold moving mold frame and the mold fixing mold frame are just combined together, and the mold moving mold frame and the mold fixing mold frame are both made of high-temperature-resistant insulating materials.
The microwave heating device disclosed by the invention adopts microwave heating liquid to generate steam to be matched with foaming plastic for foaming, so that the structure is simple and compact, the whole volume of a foaming forming machine is reduced, and the microwave generator only needs electric energy, is low in energy consumption and free of pollution, not only reduces the manufacturing and using cost, but also is energy-saving and environment-friendly, and simultaneously, each mould cavity corresponds to one microwave shielding cavity for microwave heating, so that the foaming uniformity of products in each mould cavity is ensured, and the foaming quality of the products is ensured.
Preferably, one end of the foaming material injection pipe is provided with an injection head, the injection head sequentially penetrates through the die fixing frame, the microwave shielding cover and the die fixing frame and extends into the die cavity, and the other end of the foaming material injection pipe is provided with an injection port which is respectively connected with the plastic storage cylinder and the liquid storage cylinder through pipelines.
The structure ensures the stability and reliability of the foaming plastic and the liquid injected into the cavity of the mould through the foaming material injection pipe.
Preferably, the injection port is arranged obliquely upwards, and the other end of the foaming material injection pipe is also provided with a material gun for driving the foaming plastic and the liquid entering from the injection port into the cavity of the mold.
The structure ensures the smoothness of the foaming plastic and the liquid injected into the cavity of the mold through the foaming material injection pipe.
Preferably, the mold fixing frame is fixed on the inner side of the microwave shielding cover through a fixing column, the mold moving frame is directly fixed on the inner side of the microwave shielding cover, and a through hole matched with the injection head is formed in the mold fixing frame.
The structure ensures that the microwave shielding cover covers the microwave shielding cover, and the mold moving frame is well combined with the mold fixing frame, so that the airtightness of the microwave shielding cavity and the mold cavity is ensured.
Preferably, the microwave generator is directly fixed to the microwave shield and emits microwaves into the microwave shield or is connected to the microwave shield through a waveguide and transmits microwaves into the microwave shield.
The structure can make the microwave generator be internally or externally arranged, and meets the requirements of different customers.
Preferably, the fixed die is vertically installed on the rack, a through hole matched with the foaming material injection pipe is formed in the fixed die, the bottom of the fixed die is fixed to the bottom of the rack, and the top of the fixed die is fixed to the top of the rack.
The structure ensures firm and reliable installation of the fixed die and simultaneously facilitates the installation of the foaming material injection pipe.
Preferably, the moving die is mounted on the frame through a driving mechanism, the driving mechanism drives the moving die to horizontally reciprocate, and the middle part of the moving die is connected with one side of the frame through a guide rod.
The structure ensures that the moving of the moving die is stable and reliable, thereby ensuring the stable and reliable matching between the moving die frame and the fixed die frame.
Preferably, the number of the microwave shielding cavities and the number of the die cavities are 2-5, and each die cavity corresponds to 2-8 foaming material injection pipes.
The structure can design plastic foaming forming machines with different specifications and sizes according to customer requirements on the premise of ensuring the foaming forming efficiency, and the quantity and the position of the foaming material injection pipes can be adjusted according to the specifications and the sizes of the plastic foaming forming machines.
A foaming forming method of a microwave heating foaming forming mechanism comprises the following steps:
1) the driving mechanism drives the moving mold to move horizontally, so that each microwave shielding cover covers the corresponding microwave shielding cover to form a complete microwave shielding cavity, and at the moment, the moving mold frame and the corresponding fixed mold frame are combined together to form a complete mold cavity;
2) the foaming plastic and the liquid are respectively sent to the injection port through the pipeline to be mixed together and are injected into the cavity of the mold from the foaming material injection pipe through the material gun;
3) starting a microwave generator to emit microwaves into a microwave shielding cavity, allowing the microwaves to penetrate into the mold cavity to heat the foamed plastic and the liquid, evaporating the liquid to form steam to match the foamed plastic for foaming and molding, and then cooling in vacuum;
4) after the foaming molding is finished, the driving mechanism drives the mold moving frame to horizontally move, so that the mold moving frame and the mold fixing frame are separated, and a product after the foaming molding is taken out.
Preferably, the mold moving frame and the mold fixing frame are both made of plastic high-temperature-resistant insulating materials.
The microwave heating device disclosed by the invention adopts microwave heating liquid to generate steam to be matched with foaming plastic for foaming, so that the structure is simple and compact, the whole volume of a foaming forming machine is reduced, and the microwave generator only needs electric energy, is low in energy consumption and free of pollution, not only reduces the manufacturing and using cost, but also is energy-saving and environment-friendly, and simultaneously, each mould cavity corresponds to one microwave shielding cavity for microwave heating, so that the foaming uniformity of products in each mould cavity is ensured, and the foaming quality of the products is ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure, 1, a fixed die, 2, a movable die, 3, a microwave generator, 4, a microwave shielding cover, 5, a microwave shielding cover, 6, a fixed die frame, 7, a movable die frame, 8, a foaming material injection pipe, 9, an injection head, 10, an injection opening, 11, a material gun, 12, a frame, 13, a fixed column, 14 and a guide rod are arranged.
Detailed Description
The present invention will be described in further detail with reference to the attached drawings, but the present invention is not limited thereto.
As shown in fig. 1, a microwave heating foaming forming mechanism comprises a fixed mold 1, a movable mold 2, two fixed mold frames 6 fixed on the fixed mold 1, two movable mold frames 7 fixed on the movable mold 2, and four foaming material injection pipes 8 installed on the fixed mold 1. Each fixed mold frame and the corresponding movable mold frame are combined to form a complete mold cavity, each mold cavity corresponds to two foaming material injection pipes 8, the foaming material injection pipes 8 are used for injecting foaming plastics and liquid into the mold cavity, the fixed mold 1 is provided with two microwave shielding covers 4, the movable mold 2 is provided with two microwave shielding covers 5 matched with the microwave shielding covers 4, each microwave shielding cover covers the corresponding microwave shielding cover to form a complete microwave shielding cavity, each mold cavity corresponds to one microwave shielding cavity, each microwave shielding cavity is independently connected with a microwave generator 3, the movable mold frame 7 and the fixed mold frame 6 are just combined together when the microwave shielding cover 5 covers the microwave shielding cover 4, the movable mold frame 7 and the fixed mold frame 6 are made of plastic high-temperature-resistant insulating materials (on one hand, the movable mold frame can be penetrated by microwaves, on the other hand, the high-temperature resistant insulating materials can resist and insulate and preserve heat, maintaining high temperatures within the mold cavity to prevent the temperature inside the mold cavity from being transferred away). One end of the foaming material injection pipe 8 is provided with an injection head 9, the injection head 9 sequentially penetrates through the fixed die 1, the microwave shielding cover 4 and the fixed die frame 6 to extend into the die cavity, the other end of the foaming material injection pipe 8 is provided with an injection port 10, and the injection port 10 is respectively connected with the plastic storage cylinder and the liquid storage cylinder through pipelines. The injection port 10 is disposed obliquely upward, and the other end of the foam injection pipe 8 is further provided with a material gun 11 for driving the foam plastic and the liquid entering from the injection port 10 into the cavity of the mold. The fixed mould frame 6 is fixed on the inner side of the microwave shielding cover 4 through a fixed column 13, the movable mould frame 7 is directly fixed on the inner side of the microwave shielding cover 5, and a through hole matched with the injection head 9 is formed in the fixed mould frame 6. The microwave generator 3 is directly fixed to the microwave shield 4 and emits microwaves into the microwave shield 4. The fixed die 1 is vertically arranged on the rack 12, a through hole matched with the foaming material injection pipe 8 is formed in the fixed die 1, the bottom of the fixed die 1 is fixed to the bottom of the rack 12, and the top of the fixed die 1 is fixed to the top of the rack 12. The moving die 2 is installed on the frame 12 through a driving mechanism, the driving mechanism drives the moving die 2 to do horizontal reciprocating motion, and the middle part of the moving die 2 is connected with one side of the frame 12 through a guide rod 14.
A foaming forming method of a microwave heating foaming forming mechanism comprises the following steps:
1) the driving mechanism drives the moving mold to move horizontally, so that each microwave shielding cover covers the corresponding microwave shielding cover to form a complete microwave shielding cavity, and at the moment, the moving mold frame and the corresponding fixed mold frame are combined together to form a complete mold cavity;
2) the foaming plastic and the liquid are respectively sent to the injection port through the pipeline to be mixed together and are injected into the cavity of the mold from the foaming material injection pipe through the material gun;
3) starting a microwave generator to emit microwaves into a microwave shielding cavity, allowing the microwaves to penetrate into the mold cavity to heat the foamed plastic and the liquid, evaporating the liquid to form steam to match the foamed plastic for foaming and molding, and then cooling in vacuum;
4) after the foaming molding is finished, the driving mechanism drives the mold moving frame to horizontally move, so that the mold moving frame and the mold fixing frame are separated, and a product after the foaming molding is taken out.
The invention is mainly used for foaming and molding expandable plastic particles such as EPS, EPP, EPTU and the like.
The liquid for foaming in the invention usually adopts clean water, the liquid supply tank usually adopts a clean water tank, the clean water tank is generally an external component and is connected with the liquid injection port through a pipeline, and the water in the water tank is delivered to the liquid injection port through a water pump and is delivered into the die cavity together with the foamed plastic.
The microwave heating device disclosed by the invention adopts microwave heating liquid to generate steam to be matched with foaming plastic for foaming, so that the structure is simple and compact, the whole volume of a foaming forming machine is reduced, and the microwave generator only needs electric energy, is low in energy consumption and free of pollution, not only reduces the manufacturing and using cost, but also is energy-saving and environment-friendly, and simultaneously, each mould cavity corresponds to one microwave shielding cavity for microwave heating, so that the foaming uniformity of products in each mould cavity is ensured, and the foaming quality of the products is ensured.
Claims (10)
1. The utility model provides a microwave heating foaming forming mechanism, is including solid mould, moving die, fix at least one solid mould framed on solid mould and fix at least one moving die framed on moving die and install at least one foaming material filling tube on solid mould which characterized in that: each fixed mold frame and the corresponding movable mold frame are combined to form a complete mold cavity, each mold cavity corresponds to at least one foaming material injection pipe, the foaming material injection pipes are used for injecting foaming plastics and liquid into the mold cavity, at least one microwave shielding cover is arranged on each fixed mold, at least one microwave shielding cover matched with the microwave shielding cover is arranged on each movable mold, each microwave shielding cover covers the corresponding microwave shielding cover to form a complete microwave shielding cavity, each mold cavity corresponds to one microwave shielding cavity, each microwave shielding cavity is independently connected with a microwave generator, when the microwave shielding cover covers the microwave shielding cover, the movable mold frame and the fixed mold frame are just combined together, and the movable mold frame and the fixed mold frame are made of high-temperature-resistant insulating materials.
2. The microwave heating foaming and molding mechanism of claim 1, wherein: and an injection head is arranged at one end of the foaming material injection pipe, the injection head sequentially penetrates through the die fixing frame, the microwave shielding cover and the die fixing frame to extend into the die cavity, and an injection port is arranged at the other end of the foaming material injection pipe and is respectively connected with the plastic storage cylinder and the liquid storage cylinder through pipelines.
3. The microwave heating foaming and molding mechanism of claim 2, wherein: the sprue is arranged obliquely upwards, and the other end of the foaming material injection pipe is also provided with a material gun for driving foaming plastic and liquid entering from the sprue into the cavity of the mold.
4. The microwave heating foaming and molding mechanism of claim 2, wherein: the fixed die frame is fixed on the inner side of the microwave shielding cover through a fixing column, the movable die frame is directly fixed on the inner side of the microwave shielding cover, and a through hole matched with the injection head is formed in the fixed die frame.
5. The microwave heating foaming and molding mechanism of claim 1, wherein: the microwave generator is directly fixed on the microwave shielding cover and emits microwaves into the microwave shielding cover or is connected to the microwave shielding cover through a waveguide tube and transmits the microwaves into the microwave shielding cover.
6. The microwave heating foaming and molding mechanism of claim 1, wherein: the fixed die is vertically arranged on the rack, a through hole matched with the foaming material injection pipe is formed in the fixed die, the bottom of the fixed die is fixed to the bottom of the rack, and the top of the fixed die is fixed to the top of the rack.
7. The microwave heating foaming and molding mechanism of claim 1, wherein: the moving die is installed on the rack through a driving mechanism, the driving mechanism drives the moving die to do horizontal reciprocating motion, and the middle part of the moving die is connected with one side of the rack through a guide rod.
8. The microwave heating foaming and molding mechanism of claim 1, wherein: the number of the microwave shielding cavities and the number of the die cavities are 2-5, and each die cavity corresponds to 2-8 foaming material injection pipes.
9. A foam molding method of a microwave heating foam molding mechanism according to claim 1, characterized in that: the method comprises the following steps:
1) the driving mechanism drives the moving mold to move horizontally, so that each microwave shielding cover covers the corresponding microwave shielding cover to form a complete microwave shielding cavity, and at the moment, the moving mold frame and the corresponding fixed mold frame are combined together to form a complete mold cavity;
2) the foaming plastic and the liquid are respectively sent to the injection port through the pipeline to be mixed together and are injected into the cavity of the mold from the foaming material injection pipe through the material gun;
3) starting a microwave generator to emit microwaves into a microwave shielding cavity, allowing the microwaves to penetrate into the mold cavity to heat the foamed plastic and the liquid, evaporating the liquid to form steam to match the foamed plastic for foaming and molding, and then cooling in vacuum;
4) after the foaming molding is finished, the driving mechanism drives the mold moving frame to horizontally move, so that the mold moving frame and the mold fixing frame are separated, and a product after the foaming molding is taken out.
10. The foam molding method of a microwave heating foam molding mechanism according to claim 9, characterized in that: the mold moving frame and the mold fixing frame are both made of plastic high-temperature-resistant insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911117259.3A CN112810015A (en) | 2019-11-15 | 2019-11-15 | Microwave heating foaming forming mechanism and foaming forming method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911117259.3A CN112810015A (en) | 2019-11-15 | 2019-11-15 | Microwave heating foaming forming mechanism and foaming forming method thereof |
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| Publication Number | Publication Date |
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| CN112810015A true CN112810015A (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911117259.3A Pending CN112810015A (en) | 2019-11-15 | 2019-11-15 | Microwave heating foaming forming mechanism and foaming forming method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108372622A (en) * | 2018-03-07 | 2018-08-07 | 泉州师范学院 | High molecular material foam device and its application method |
| CN110154305A (en) * | 2019-06-21 | 2019-08-23 | 库尔特机电设备（珠海）有限公司 | A kind of equipment and its working method using less radio-frequency production foamed plastics |
| CN110198822A (en) * | 2016-12-01 | 2019-09-03 | 库尔兹股份有限公司 | For manufacturing the device of particle foam element |
| CN210969635U (en) * | 2019-11-15 | 2020-07-10 | 杭州高福机械制造有限公司 | Microwave heating foaming forming mechanism |
-
2019
- 2019-11-15 CN CN201911117259.3A patent/CN112810015A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110198822A (en) * | 2016-12-01 | 2019-09-03 | 库尔兹股份有限公司 | For manufacturing the device of particle foam element |
| CN108372622A (en) * | 2018-03-07 | 2018-08-07 | 泉州师范学院 | High molecular material foam device and its application method |
| CN110154305A (en) * | 2019-06-21 | 2019-08-23 | 库尔特机电设备（珠海）有限公司 | A kind of equipment and its working method using less radio-frequency production foamed plastics |
| CN210969635U (en) * | 2019-11-15 | 2020-07-10 | 杭州高福机械制造有限公司 | Microwave heating foaming forming mechanism |
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Application publication date: 20210518 |
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