CN112810016A - Hydraulic drive forward-push type microwave heating foaming forming machine and foaming forming method thereof - Google Patents
Hydraulic drive forward-push type microwave heating foaming forming machine and foaming forming method thereof Download PDFInfo
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- CN112810016A CN112810016A CN201911117287.5A CN201911117287A CN112810016A CN 112810016 A CN112810016 A CN 112810016A CN 201911117287 A CN201911117287 A CN 201911117287A CN 112810016 A CN112810016 A CN 112810016A
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- foaming
- frame
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- microwave
- shielding cover
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- 238000005187 foaming Methods 0.000 title claims abstract description 112
- 238000010438 heat treatment Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000002347 injection Methods 0.000 claims abstract description 57
- 239000007924 injection Substances 0.000 claims abstract description 57
- 239000000463 material Substances 0.000 claims abstract description 41
- 229920003023 plastic Polymers 0.000 claims abstract description 32
- 239000004033 plastic Substances 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 239000011810 insulating material Substances 0.000 claims abstract description 6
- 238000000465 moulding Methods 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims description 3
- 238000010097 foam moulding Methods 0.000 claims 4
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000006260 foam Substances 0.000 description 4
- 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 hydraulically-driven forward-pushing type microwave heating foaming forming machine and a foaming forming method thereof, and the hydraulically-driven forward-pushing type microwave heating foaming forming machine comprises a rack, a foaming forming mechanism, a charging basket, a vacuum cooling device, an electric cabinet, an oil cylinder and a hydraulic station, wherein the 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 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, and the movable die frame and the fixed die frame are both made of high-temperature-resistant insulating materials; the moving die is positioned between the fixed die and the oil cylinder, and the oil cylinder drives the moving die to move horizontally. The microwave heating device adopts microwave heating liquid to generate steam to match with foaming plastic for foaming, has simple and compact structure, reduces the integral volume of the foaming forming machine, has less energy consumption and no pollution, 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 hydraulically-driven forward-pushing type microwave heating foaming forming machine 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 hydraulic drive forward-pushing type microwave heating foaming forming machine and the foaming forming method thereof, which adopt microwave heating liquid to generate steam to match with foaming plastics for foaming, have simple and compact structure and reduce the whole volume of the foaming forming machine on one hand, and only use electric energy as the microwave generator on the other hand, have small energy consumption and no pollution, reduce the manufacturing and using cost, save energy and protect environment.
The technical scheme of the invention is as follows: a hydraulic drive forward-push type microwave heating foaming forming machine comprises a rack, a foaming forming mechanism, a charging bucket, a vacuum cooling device, an electric cabinet, a plurality of oil cylinders and a hydraulic station matched with the oil cylinders, wherein the foaming forming mechanism comprises a fixed die, a moving die, at least one fixed die frame fixed on the fixed die, at least one moving die frame fixed on the moving die and at least one foaming material injection pipe arranged on the fixed die, each fixed die frame and the moving 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, the foaming material injection pipes are used for injecting foaming plastics and liquid into the die cavities, at least one microwave shielding cover is arranged on the fixed die, at least one microwave shielding cover matched with the microwave shielding cover is arranged on the moving die, each microwave shielding cover covers the microwave shielding cover corresponding to the 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 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 moving die is positioned between the fixed die and the oil cylinder, and the oil cylinder drives the moving die to move horizontally.
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 charging basket and the liquid supply tank 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 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.
The structure ensures the smoothness of the foaming plastic and the liquid injected into the cavity of the mould through the foaming material injection pipe; when the microwave shielding cover is ensured to cover the microwave shielding cover, the mold moving mold frame is well combined with the mold fixing mold frame, and the tightness 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 frame includes base, top frame, carriage and back seat, gu the mould is vertical to be installed between base and top frame, and is equipped with the perforation of cooperation foaming material injection pipe on the mould admittedly, the storage bucket is installed on the top frame, vacuum cooling device is including installing vacuum pump and vacuum bucket on the base.
The structure ensures that the die fixing, the charging basket and the vacuum cooling device are firmly and reliably installed, and meanwhile, the foaming material injection pipe is convenient to install.
Preferably, the moving die is connected with the rear seat through a guide rod, a cylinder body of the oil cylinder is fixed on the rear seat, and the end part of a piston rod of the oil cylinder is fixed on the moving die through a fixed seat.
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 foam forming method of a hydraulically-driven forward-pushing type microwave heating foam forming machine comprises the following steps:
1) the oil cylinder pushes the movable mould to move horizontally to be close to the fixed mould, so that each microwave shielding cover covers the corresponding microwave shielding cover to form a complete microwave shielding cavity, and at the moment, the movable mould frame and the corresponding fixed mould frame are combined together to form a complete mould 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 by a vacuum cooling device;
4) after foaming and forming are finished, the oil cylinder pulls the moving die to move horizontally to be far away from the fixed die, so that the moving die frame and the fixed die frame are separated, and a product after foaming and forming 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;
FIG. 2 is a schematic top 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 port, 11, a material gun, 12, a base, 13, a fixed column, 14, a guide rod, 15, a top frame, 16, a supporting frame, 17, a rear seat, 18, an oil cylinder, 19, a hydraulic station, 20, a fixed seat, 21, a material barrel, 22, a vacuum barrel, 23, a vacuum pump, 24 and an electric cabinet 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 and 2, a hydraulically-driven forward-pushing type microwave heating foaming forming machine comprises a frame, a foaming forming mechanism arranged on the frame, a charging basket 25, a vacuum cooling device, an electric cabinet 28, a plurality of oil cylinders 18 and a hydraulic station 19 matched with the oil cylinders 18, wherein the foaming forming mechanism comprises a fixed die 1, a movable die 2, two fixed die frames 6 fixed on the fixed die 1, two movable die frames 7 fixed on the movable die 2 and 4 foaming material injection pipes 8 arranged on the fixed die 1, each fixed die frame and the corresponding movable die frame are combined to form a complete die cavity, each die cavity corresponds to 2 foaming material injection pipes 8, the foaming material injection pipes 8 are used for injecting foaming plastics and liquid into the die cavity, two microwave shielding covers 4 are arranged on the fixed die 1, two microwave shielding covers 5 matched with the microwave shielding covers 4 are arranged on the movable die 2, 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 the microwave generator 3, and the mold moving mold frame 7 and the mold fixing mold frame 6 are just combined together when the microwave shielding cover 5 covers the microwave shielding cover 4; the moving die 2 is positioned between the fixed die 1 and the oil cylinder 18, and the oil cylinder 18 drives the moving die 2 to move horizontally. 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 charging basket 25 and the liquid supply tank through pipelines. The injection opening 10 is arranged obliquely upwards, and the other end of the foaming material injection pipe 8 is also provided with a material gun 11 for driving the foaming plastic and the liquid entering from the injection opening 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 frame includes base 12, top frame 15, carriage 16 and back seat 17, and solid mould 1 is vertical to be installed between base 12 and top frame 15, and is equipped with the perforation of cooperation foaming material filling tube 8 on the solid mould 1, and storage bucket 25 installs on top frame 15, and vacuum cooling device is including installing vacuum pump 27 and vacuum bucket 26 on base 12. The moving die 2 is connected with a rear seat 17 through a guide rod 14, a cylinder body of an oil cylinder 18 is fixed on the rear seat 17, and the end part of a piston rod of the oil cylinder 18 is fixed on the moving die 2 through a fixed seat 20.
A foam forming method of a hydraulically-driven forward-pushing type microwave heating foam forming machine comprises the following steps:
1) the oil cylinder pushes the movable mould to move horizontally to be close to the fixed mould, so that each microwave shielding cover covers the corresponding microwave shielding cover to form a complete microwave shielding cavity, and at the moment, the movable mould frame and the corresponding fixed mould frame are combined together to form a complete mould 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 by a vacuum cooling device;
4) after foaming and forming are finished, the oil cylinder pulls the moving die to move horizontally to be far away from the fixed die, so that the moving die frame and the fixed die frame are separated, and a product after foaming and forming is taken out.
The mold moving frame 7 and the mold fixing frame 6 are both made of plastic high-temperature-resistant insulating materials.
The vacuum cooling device of the present invention is a conventional vacuum cooling device commercially available, and therefore, detailed description thereof will be omitted.
The PLC controller can be configured in the electric control box, and the action frequency and the action time of the microwave generator, the oil cylinder and other components can be automatically controlled only by setting the action parameters.
The oil cylinder and the hydraulic station can be replaced by an air cylinder and an air storage tank, and the oil cylinder and the hydraulic station can be realized only by designing the moving distance of the moving die to be matched with the stroke of the air cylinder.
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 (9)
1. The utility model provides a push-type microwave heating foaming make-up machine before hydraulic drive, includes the frame, installs foaming forming mechanism, storage bucket, vacuum cooling device, electric cabinet and a plurality of hydro-cylinder in the frame and the hydraulic pressure station of cooperation hydro-cylinder, 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, its 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, the fixed mold is provided with at least one microwave shielding cover, the movable mold 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 mold cavity corresponds to one microwave shielding cavity, each microwave shielding cavity is independently connected with a microwave generator, the movable mold frame and the fixed mold frame are just combined together when the microwave shielding cover covers the microwave shielding cover, and the movable mold frame and the fixed mold frame are both made of high-temperature-resistant insulating materials; the moving die is positioned between the fixed die and the oil cylinder, and the oil cylinder drives the moving die to move horizontally.
2. A hydraulically driven push-forward microwave heating foaming molding machine as claimed in claim 1, characterized in that: 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 charging basket and the liquid supply tank through pipelines.
3. A hydraulically driven push-forward microwave heating foaming molding machine as claimed in claim 2, characterized in that: the injection opening 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 injection opening into the cavity of the mold; 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.
4. A hydraulically driven push-forward microwave heating foaming molding machine as claimed in claim 1, characterized in that: 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.
5. A hydraulically driven push-forward microwave heating foaming molding machine as claimed in claim 1, characterized in that: the frame includes base, top frame, carriage and back seat, gu the mould is vertical to be installed between base and top frame, and is equipped with the perforation of cooperation foaming material injection pipe on the mould admittedly, the storage bucket is installed on the top frame, vacuum cooling device is including installing vacuum pump and vacuum bucket on the base.
6. The hydraulically driven forward-push microwave heating foaming molding machine as claimed in claim 5, wherein: the moving die is connected with the rear seat through a guide rod, the cylinder body of the oil cylinder is fixed on the rear seat, and the end part of the piston rod of the oil cylinder is fixed on the moving die through a fixing seat.
7. A hydraulically driven push-forward microwave heating foaming molding machine as claimed in claim 1, characterized in that: 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.
8. A foam molding method of a hydraulically driven push-forward type microwave heating foam molding machine as claimed in claim 1, characterized in that: the method comprises the following steps:
1) the oil cylinder pushes the movable mould to move horizontally to be close to the fixed mould, so that each microwave shielding cover covers the corresponding microwave shielding cover to form a complete microwave shielding cavity, and at the moment, the movable mould frame and the corresponding fixed mould frame are combined together to form a complete mould 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 by a vacuum cooling device;
4) after foaming and forming are finished, the oil cylinder pulls the moving die to move horizontally to be far away from the fixed die, so that the moving die frame and the fixed die frame are separated, and a product after foaming and forming is taken out.
9. The foam molding method of a hydraulically driven forward-push type microwave heating foam molding machine as claimed in claim 8, wherein: 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 |
|---|---|---|---|
| CN201911117287.5A CN112810016A (en) | 2019-11-15 | 2019-11-15 | Hydraulic drive forward-push type microwave heating foaming forming machine and foaming forming method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911117287.5A CN112810016A (en) | 2019-11-15 | 2019-11-15 | Hydraulic drive forward-push type microwave heating foaming forming machine and foaming forming method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112810016A true CN112810016A (en) | 2021-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911117287.5A Pending CN112810016A (en) | 2019-11-15 | 2019-11-15 | Hydraulic drive forward-push type microwave heating foaming forming machine and foaming forming method thereof |
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| CN (1) | CN112810016A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205394971U (en) * | 2016-03-16 | 2016-07-27 | 浙江润阳新材料科技股份有限公司 | High -efficient foaming equipment |
| 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 |
-
2019
- 2019-11-15 CN CN201911117287.5A patent/CN112810016A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205394971U (en) * | 2016-03-16 | 2016-07-27 | 浙江润阳新材料科技股份有限公司 | High -efficient foaming equipment |
| 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 |
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Application publication date: 20210518 |
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| RJ01 | Rejection of invention patent application after publication |