CN102729313A - Extrusion equipment provided with microwave heating device for plant fiber product - Google Patents
Extrusion equipment provided with microwave heating device for plant fiber product Download PDFInfo
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- CN102729313A CN102729313A CN201110089755XA CN201110089755A CN102729313A CN 102729313 A CN102729313 A CN 102729313A CN 201110089755X A CN201110089755X A CN 201110089755XA CN 201110089755 A CN201110089755 A CN 201110089755A CN 102729313 A CN102729313 A CN 102729313A
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Abstract
The invention discloses extrusion equipment provided with a microwave heating device for a plant fiber product. The extrusion equipment comprises an upper punch and further comprises a heat-conducting oil hole arranged in the upper punch, wherein the upper punch is made of a material capable of penetrating microwaves; a microwave waveguide pipe is arranged above the upper punch; and a mounting device of the waveguide pipe is connected to the upper punch. When the upper punch extrudes materials in a female mould cavity, the microwaves downwards penetrate through the upper punch to heat the materials in the female mould cavity. According to the extrusion equipment, when the materials in the female mould cavity are heated and cured, the materials in the female mould cavity can be subjected to conductive heating in a traditional conductive heating manner of a heat plate; radiation heating of the microwaves is further utilized; particularly, the radiation heating of the microwaves has a rapid heating speed and can heat uniformly, and the traditional heating manner cannot be compared with the radiation heating of the microwaves; and polar molecules in the materials are simultaneously swung at a high speed to realize frictional heating, so that the curing of the materials is accelerated and the production efficiency of the plant fiber product is greatly improved.
Description
Technical field
The present invention relates to the preparation of plant fiber products, be specifically related to the extrusion equipment of plant fiber products.
Background technology
Plant fiber products (like pallet, cable hank, Turnover Box etc.); Because of it can realize recirculation, utilization, the rate of recovery can reach 100% again; Have low cost simultaneously, low pollute, exempt to smoke, advantage such as inspection-free epidemic disease, receive the popular welcome of industry, market demand increases gradually.Invented the equipment of multinomial production said products before the inventor; Like the patent No. is the special equipment of 200810019233.0 vegetable fibre tray bidirectional extrusion forming methods; Like the patent No. is 200810243767.1 plant fibre cable coil bidirectional friction extrusion molding devices; Like the patent No. is 200810023677.1 plant fiber tray serialization process units and the tray shaping machine group that is provided with the locking pressurizer thereof; Like the patent No. is 200910028331.5 pairs of bed board plant fiber trays and 40 remainder patents such as integral pressing method, particular manufacturing craft thereof, not only preferably resolves the said goods stressed uniformity in pressing process, makes product obtain the packing of basically identical; Improve the quality of product, but also solved the serialization production problem of product.But because the mode that is heating and curing of pallet still adopts existing metallic plate to feed the mode of heating of the hot plate conduction of steam or conduction oil; Therefore; The time that is heating and curing of plant fiber products, general 1 millimeter thickness needed about 1 minute, had seriously restricted the output of goods.
Summary of the invention
The technical problem that the present invention will solve provides a kind of extrusion equipment that is provided with the plant fiber products of microwave heating equipment, and the time that is heating and curing is short, and production efficiency is high.
The present invention realizes through following technical scheme:
Be provided with the extrusion equipment of the plant fiber products of microwave heating equipment; Comprise upper punch (also comprising the heat conduction oilhole of establishing in the upper punch); Upper punch adopts the material that can penetrate microwave to process, and the upper punch top is provided with microwave plumbing, and the erecting device of waveguide is connected in upper punch.When the material in the upper punch extruding negative impression, microwave is passed down through the material in the upper punch heating negative impression.
The further improvement project of the present invention is, said erecting device comprises framework, and the waveguide transmitting terminal is connected in the first microwave barrier plate of base of frame, or waveguide is connected in the first microwave barrier plate of base of frame through the set adpting flange of transmitting terminal; Said framework is connected in upper punch top through connector, is coated with the second microwave barrier plate around the upper punch;
Or said erecting device comprises framework, and the waveguide transmitting terminal is connected in the first microwave barrier plate of base of frame, or waveguide is connected in the first microwave barrier plate of base of frame through the set adpting flange of transmitting terminal; Said framework passes the set buffer board in upper punch top through connector and is connected in upper punch, is coated with the second microwave barrier plate around upper punch and the buffer board;
The present invention further improvement project is; Upper punch or upper punch and buffer board are provided with the 3rd microwave barrier plate; Be provided with and be coated on upper punch in the middle of the 3rd microwave barrier plate or be coated on upper punch and the hole of the second microwave barrier plate outside dimension of buffer board periphery coupling; The 3rd microwave barrier plate is connected in the set support member of framework through back-moving spring, and the stressed back of the 3rd microwave barrier plate moves up along the second microwave barrier plate, until with the first microwave barrier plate of base of frame outside phase touch.The 3rd microwave barrier plate is set, and is for the microwave that further possibly from upper punch and former slit, penetrate stops, guarantees production safety.
The microwave that the said first microwave barrier plate is provided with waveguide transmitting terminal coupling passes the hole, and the diameter that microwave passes the hole equals or be slightly larger than the external diameter of waveguide transmitting terminal.
The present invention further improvement project is; Said erecting device comprises the flat board of metal material; The waveguide transmitting terminal is connected in flat board; Or waveguide is connected in flat board through the set adpting flange of transmitting terminal, and said flat board is connected in upper punch top through connector, is coated with the second microwave barrier plate around the upper punch;
Or said erecting device comprises the flat board of metal material; The waveguide transmitting terminal is connected in flat board; Or waveguide is connected in flat board through the set adpting flange of transmitting terminal; Said flat board passes the set buffer board in upper punch top through connector and is connected in upper punch, is coated with the second microwave barrier plate around upper punch and the buffer board;
The present invention further improvement project is; Upper punch or upper punch and buffer board are provided with the 3rd microwave barrier plate; Be provided with and be coated on upper punch in the middle of the 3rd microwave barrier plate or be coated on upper punch and the hole of the second microwave barrier plate outside dimension of buffer board periphery coupling; The 3rd microwave barrier plate is connected in dull and stereotyped set support member through back-moving spring, and the stressed back of the 3rd microwave barrier plate moves up along the second microwave barrier plate, until with flat board outside phase touch.
Said flat board is provided with the microwave that matees with the waveguide transmitting terminal and passes the hole.The diameter that dull and stereotyped set microwave passes the hole equals or is slightly larger than the external diameter of waveguide transmitting terminal.
The present invention further improvement project is to be tightly connected with the second microwave barrier plate around the framework bottom or around dull and stereotyped.Guarantee microwave leakage can not take place after both connect.
First, second, third microwave barrier plate is a metal material.
The flat board of said framework or metal material is the erecting device of waveguide, also is the device that upper punch is connected in fixture, and the intensity that improves upper punch especially is the indispensable device of bearing capacity in other words.
The present invention further improvement project is that upper punch is a ceramic material.
The present invention further improvement project is, buffer board is plastic material, also can is timber matter.For example can be cardboard, plank of PE plate, polyformaldehyde plate, polyfluortetraethylene plate or the timber matter of plastic material etc., the effect of buffer board be the upper punch stress balance that makes ceramic material.
The present invention compared with prior art has following obvious advantage:
The present invention is owing to be provided with microwave plumbing on the top of upper punch; Therefore; When the material in giving negative impression was heating and curing, existing traditional hot plate conduction mode of heating (upper punch and former inside are equipped with the heat conduction oilhole) conducted heating to the material in the negative impression, and the radiation heating of microwave is arranged again; Especially the radiation heating of microwave; Its firing rate is fast, homogeneous heating is that traditional heating mode is incomparable, and it makes polar molecule while high speed swinging frictional heating in the material, has quickened material curing.
With the plant fiber tray is example, and the time that is heating and curing is brought up to 10 millimeters thickness of present per minute by 1 millimeter thickness of original per minute, and the speed that is heating and curing has improved more than 10 times than prior art, has improved the production efficiency of plant fiber products greatly.
Description of drawings
Fig. 1 is schematic side view of the present invention (erecting device of waveguide comprises framework, is provided with buffer board between framework and the upper punch).
Fig. 2 is Fig. 1 schematic top plan view.
Fig. 3 is a waveguide partial schematic sectional view among Fig. 1.
Fig. 4 is schematic side view of the present invention (erecting device of waveguide comprises framework, does not establish buffer board between framework and the upper punch).
Fig. 5 is schematic side view of the present invention (erecting device of waveguide comprises the flat board of metal material, is provided with buffer board between the flat board of metal material and the upper punch).
Fig. 6 is schematic side view of the present invention (erecting device of waveguide comprises the flat board of metal material, does not establish buffer board between the flat board of metal material and the upper punch).
The specific embodiment
Like Fig. 1, shown in 2, the present invention includes upper punch 1.Said upper punch 1 is a ceramic material; Be provided with heat conduction oilhole (not shown) in the upper punch 1; Upper punch 1 top is provided with microwave plumbing 2; Said waveguide 2 is connected and fixed on the first microwave barrier plate 6 of framework 5 bottoms, and waveguide 2 is connected with the first microwave barrier plate 6 through the adpting flange 3 that transmitting terminal is provided with.The said first microwave barrier plate 6 is provided with the microwave that matees with waveguide 2 transmitting terminals and passes hole (diagram is not provided); The diameter that said microwave passes the hole equals the diameter of waveguide transmitting terminal; During installation the waveguide transmitting terminal is inserted microwave and pass in the hole, and then the ring flange of waveguide transmitting terminal is fixedly connected on the first microwave barrier plate 6 with connector.In the present embodiment, framework 5 adopts metal material.
Be coated with the second microwave barrier plate 10 around upper punch 1 and the buffer board 7, (being welded to connect around second microwave barrier plate limit, upper end and the framework bottom) is tightly connected with the second microwave barrier plate around the framework bottom.
As shown in Figure 1, framework 5 passes the set buffer board 7 in upper punch 1 top through bolt 8 and is connected in upper punch 1, and said buffer board 7 is plastic material (selecting polyethylene board in the present embodiment for use is the PE plate).When the material in the upper punch 1 hubbing chamber, microwave is passed down through buffer board 7, passes the material in the upper punch 1 heating negative impression again.
First, second, third microwave barrier plate is a metal material.Upper punch is a ceramic material.
Shown in Fig. 3 is to be provided with the waveguide 2 of magnetron 4.
As shown in Figure 5; Said erecting device comprises the flat board 11 of metal material; Said dull and stereotyped 11 are provided with the microwave that matees with waveguide 2 transmitting terminals passes hole (diagram is not provided); The diameter that dull and stereotyped 11 set microwaves pass the hole equals the external diameter of waveguide 2 transmitting terminals, and the microwave with waveguide 2 transmitting terminals insertion dull and stereotyped 11 during installation passes in the hole, adopts welding manner to connect in dull and stereotyped 11 in the present embodiment.
Still as shown in Figure 5; Said dull and stereotyped 11 pass the set buffer board 7 in upper punch 1 top through bolt 8 is connected in upper punch 1; Be coated with the second microwave barrier plate 10 around upper punch 1 and the buffer board 7, around dull and stereotyped 11 with limit, the second microwave barrier plate, 10 upper end be tightly connected (employing is welded to connect).Upper punch 1 and buffer board 7 are provided with the 3rd microwave barrier plate 9; Be provided with and be coated on the hole (borehole jack of the 3rd microwave barrier plate 9 is in the second microwave barrier plate, 10 peripheries) of the second microwave barrier plate, the 10 outside dimensions coupling of upper punch and buffer board periphery in the middle of the 3rd microwave barrier plate 9; The 3rd microwave barrier plate 9 is connected in dull and stereotyped 11 set support members 13 through back-moving spring 12; Edge, the 3rd microwave barrier plate 9 stressed back second microwave barrier plate 10 moves up (when the material in the upper punch extruding negative impression; Limit, former upper end is upwards squeezed the 3rd microwave barrier plate 9 and is pushed away), phase is touched outside with dull and stereotyped 11.
All the other are implemented like embodiment 1.
Claims (12)
1. be provided with the extrusion equipment of the plant fiber products of microwave heating equipment, comprise upper punch, it is characterized in that: upper punch adopts the material that can penetrate microwave to process, and the upper punch top is provided with microwave plumbing, and the erecting device of waveguide is connected in upper punch.
2. the extrusion equipment that is provided with the plant fiber products of microwave heating equipment as claimed in claim 1; It is characterized in that: said erecting device comprises framework; The waveguide transmitting terminal is connected in the first microwave barrier plate of base of frame, or waveguide is connected in the first microwave barrier plate of base of frame through the set adpting flange of transmitting terminal; Said framework is connected in upper punch top through connector, is coated with the second microwave barrier plate around the upper punch;
Or said erecting device comprises framework, and the waveguide transmitting terminal is connected in the first microwave barrier plate of base of frame, or waveguide is connected in the first microwave barrier plate of base of frame through the set adpting flange of transmitting terminal; Said framework passes the set buffer board in upper punch top through connector and is connected in upper punch, is coated with the second microwave barrier plate around upper punch and the buffer board;
The said first microwave barrier plate is provided with the microwave that matees with the waveguide transmitting terminal and passes the hole.
3. the extrusion equipment that is provided with the plant fiber products of microwave heating equipment as claimed in claim 2; It is characterized in that: upper punch or upper punch and buffer board are provided with the 3rd microwave barrier plate; Be provided with and be coated on upper punch in the middle of the 3rd microwave barrier plate or be coated on upper punch and the hole of the second microwave barrier plate outside dimension of buffer board periphery coupling; The 3rd microwave barrier plate is connected in framework through back-moving spring; The stressed back of the 3rd microwave barrier plate moves up along the second microwave barrier plate, until with the first microwave barrier plate of base of frame outside phase touch.
4. the extrusion equipment that is provided with the plant fiber products of microwave heating equipment as claimed in claim 3 is characterized in that: the first microwave barrier plate, the second microwave barrier plate, the 3rd microwave barrier plate are metal material.
5. the extrusion equipment that is provided with the plant fiber products of microwave heating equipment as claimed in claim 2 is characterized in that: the diameter that said microwave passes the hole equals or is slightly larger than waveguide transmitting terminal external diameter.
6. the extrusion equipment that is provided with the plant fiber products of microwave heating equipment as claimed in claim 2 is characterized in that: be tightly connected with the second microwave barrier plate around the framework bottom.
7. the extrusion equipment that is provided with the plant fiber products of microwave heating equipment as claimed in claim 1; It is characterized in that: said erecting device comprises the flat board of metal material; The waveguide transmitting terminal is connected in flat board; Or waveguide is connected in flat board through the set adpting flange of transmitting terminal, and said flat board is connected in upper punch top through connector, is coated with the second microwave barrier plate around the upper punch;
Or said erecting device comprises the flat board of metal material; The waveguide transmitting terminal is connected in flat board; Or waveguide is connected in flat board through the set adpting flange of transmitting terminal; Said flat board passes the set buffer board in upper punch top through connector and is connected in upper punch, is coated with the second microwave barrier plate around upper punch and the buffer board;
Said flat board is provided with the microwave that matees with the waveguide transmitting terminal and passes the hole.
8. the extrusion equipment that is provided with the plant fiber products of microwave heating equipment as claimed in claim 7; It is characterized in that: upper punch or upper punch and buffer board are provided with the 3rd microwave barrier plate; Be provided with and be coated on upper punch in the middle of the 3rd microwave barrier plate or be coated on upper punch and the hole of the second microwave barrier plate outside dimension of buffer board periphery coupling; The 3rd microwave barrier plate is connected in dull and stereotyped set support member through back-moving spring; The stressed back of the 3rd microwave barrier plate moves up along the second microwave barrier plate, until with flat board outside phase touch.
9. the extrusion equipment that is provided with the plant fiber products of microwave heating equipment as claimed in claim 8 is characterized in that: be tightly connected with the second microwave barrier plate around dull and stereotyped, second, third microwave barrier plate is a metal material.
10. the extrusion equipment that is provided with the plant fiber products of microwave heating equipment as claimed in claim 7 is characterized in that: the diameter that dull and stereotyped set microwave passes the hole equals or is slightly larger than the external diameter of waveguide transmitting terminal.
11. the extrusion equipment that is provided with the plant fiber products of microwave heating equipment as claimed in claim 1 is characterized in that: upper punch is a ceramic material.
12. the extrusion equipment that is provided with the plant fiber products of microwave heating equipment as claimed in claim 1 is characterized in that: be provided with the heat conduction oilhole in the upper punch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110089755.XA CN102729313B (en) | 2011-04-11 | 2011-04-11 | Be provided with the extrusion equipment of the plant fiber products of microwave heating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110089755.XA CN102729313B (en) | 2011-04-11 | 2011-04-11 | Be provided with the extrusion equipment of the plant fiber products of microwave heating equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102729313A true CN102729313A (en) | 2012-10-17 |
| CN102729313B CN102729313B (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110089755.XA Active CN102729313B (en) | 2011-04-11 | 2011-04-11 | Be provided with the extrusion equipment of the plant fiber products of microwave heating equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331799A (en) * | 2013-06-18 | 2013-10-02 | 泗阳蓝阳托盘设备科技有限公司 | Plant fiber extruder with microwave heating device |
| CN103950084A (en) * | 2014-04-28 | 2014-07-30 | 复旦大学 | Method for making environment-friendly wood material through microwave shaping of straws |
| WO2014201884A1 (en) * | 2013-06-18 | 2014-12-24 | 泗阳蓝阳托盘设备科技有限公司 | Novel plant fiber extruder |
| CN111823469A (en) * | 2019-04-18 | 2020-10-27 | 正合林兴业股份有限公司 | Microwave electromagnetic heating foaming forming process, applicable mold and foaming material |
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| CN101932413A (en) * | 2007-12-30 | 2010-12-29 | 迪芬巴赫有限两合公司 | Method and device for preheating a pressed material mat during manufacture of wood material boards |
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| DE2539674A1 (en) * | 1975-09-04 | 1977-03-10 | Kiss Consulting Eng | Continuous sections of cellulosic material - produced with binder by pulsatingly forcing mass through narrower heated extrusion tool |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331799A (en) * | 2013-06-18 | 2013-10-02 | 泗阳蓝阳托盘设备科技有限公司 | Plant fiber extruder with microwave heating device |
| WO2014201884A1 (en) * | 2013-06-18 | 2014-12-24 | 泗阳蓝阳托盘设备科技有限公司 | Novel plant fiber extruder |
| CN103950084A (en) * | 2014-04-28 | 2014-07-30 | 复旦大学 | Method for making environment-friendly wood material through microwave shaping of straws |
| CN103950084B (en) * | 2014-04-28 | 2016-03-30 | 复旦大学 | Microwave sizing stalk manufactures the method for environmental protection wood materials |
| CN111823469A (en) * | 2019-04-18 | 2020-10-27 | 正合林兴业股份有限公司 | Microwave electromagnetic heating foaming forming process, applicable mold and foaming material |
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| CN102729313B (en) | 2015-07-29 |
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