CN2422338Y - Improved pulp moulding shaping machine - Google Patents
Improved pulp moulding shaping machine Download PDFInfo
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- CN2422338Y CN2422338Y CN 00219588 CN00219588U CN2422338Y CN 2422338 Y CN2422338 Y CN 2422338Y CN 00219588 CN00219588 CN 00219588 CN 00219588 U CN00219588 U CN 00219588U CN 2422338 Y CN2422338 Y CN 2422338Y
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- heat
- paper pulp
- model formation
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Abstract
The utility model relates to an improvement of pulp moulding shaping machines for producing similar paper-based containers, particularly a hot-pressure setting drying apparatus of a pulp moulding shaping machine. The utility model is characterized in that a concave mould and a convex mould which are shaped by hot presses are respectively positioned on a base of hollow cavity bodies which are communicated with a closed vessel for storing heat-conducting mediums in a heating furnace respectively through a heat-conducting pipe, and moulds of the moulding shaping machine can be heated by adopting the heat-conducting mediums, particularly high heat-conducting phase-change heat transfer mediums.
Description
Utility model is about the improvement to the paper pulp model formation machine of production papery class container, relates in particular to paper pulp model formation machine thermocompression forming drying unit.
With plant fiber pulp for example paper pulp be papery class containers such as raw material production paper table ware and food container, adopt the fiber pulp molding heat molded usually.The thermocompression forming of molding heat pressing machine adopts electrical heating usually to the heating of mould, promptly buries electrical heating elements for example heating wire, rod around die bottom plate or mould underground, by heating heating conduction heating mould.The deficiency of this electrical heating heating mould mode: the heating energy consumption is higher, and heating is not long service life, and production cost is generally higher, and wherein energy consumption cost accounts for about 25% of direct production cost; Secondly the Electric heating firing rate is relatively slow, influence the raising of make-up machine production efficiency, and thermal inertia is big, thereby temperature control is comparatively difficult, influences product quality.
The purpose of utility model is to overcome the deficiency of above-mentioned prior art, provides a kind of improved firing rate fast, and temperature stabilization is easy to control, uses reliable and stablely, and energy consumption cost is economized, the paper pulp model formation machine that production cost is low.
The utility model purpose realizes, the main improvement is that heater with thermocompression forming in the molding forming machine changes into and adopts the heat-conducting medium heating, especially adopts high heat conduction phase-change heat transfer medium heating.Specifically, the utility model paper pulp model formation machine, the thermocompression forming device that comprises molding concave die, punch and the mold heating device composition of relative motion pressing, it is characterized in that die, punch in the said thermocompression forming device are located at respectively on the hollow cavity pedestal, this hollow cavity pedestal communicates with closed container in the heating furnace by heat pipe respectively, in the said heating furnace closed container heat-conducting medium is arranged.Heating furnace heats heat-conducting medium like this, heated heat-conducting medium enters in the hollow cavity that connects mould by heat pipe, reach mold heated, heat-conducting medium enters the hollow cavity of connection mould on the one hand continually to mold heated, the heat-conducting medium of heating mould cooling is simultaneously got back to again in the closed container in the heating furnace and is heated once more, heat-conducting medium makes the paper pulp molding mould obtain stablizing the paper container of heating, drying moulding in cavity that connects mould and the circulation between the heating furnace closed container.
The said heat-conducting medium of utility model can be for example conduction oil, phase-change heat transfer media etc. of various heat transfer mediums, a kind of high high heat conduction phase-change heat transfer medium of heat transfer efficiency that adopts preferably.Connect the hollow cavity of mould, a kind of better mode is communicated with hollow base for the non-moulding of mould is faced the wall and meditated, and can increase the mould heating surface area to greatest extent like this, and mould is heated evenly.The utility model heating furnace can design in one with molding forming machine as required or be provided with in addition.Heating furnace can adopt the flame thermal source with heating source, also can adopt the electrical heating thermal source, its objective is to make heat-conducting medium obtain heating, wherein preferably adopts flame heat source for example fuel oil, combustion gas.The heat energy that combustion gas or oil inflame or other thermals source produce heats up heat-conducting medium, heat-conducting medium rapidly and efficiently transmits and is full of the cavity of connection thermocompression forming mould wall by the heat pipe conduction, mould is heated heat up rapidly and remains in the temperature required scope, control heating furnace heating-up temperature or control enter heat-conducting medium amount and speed or the control backflow heat-conducting medium that is communicated with mould cavity, can stablize the control mold temperature.
Description below in conjunction with an indefiniteness embodiment further specifies utility model, but embodiment is not the qualification to the utility model design.
Accompanying drawing is a utility model example structure schematic diagram.
Embodiment: referring to accompanying drawing, paper pulp model formation machine, organic frame 1, the molding concave die 2, the forming convax mould 5 of relative motion, moulding press 7, the mould slippage guide rail 8 that are fixed on the frame are formed.Die wherein, punch is separately fixed on the cavity base 3 and 6 of heat-insulation layer 4, and the non-moulding of mould is faced the wall and meditated be communicated with the hollow base cavity, hollow base has heat pipe 9 respectively, 10 link to each other with the airtight heat-conducting medium container 12 of liquefied gas furnace 15 flames 14 top band heat-insulation layers 16, the heat pipe that wherein connects flexible mould (accompanying drawing is a punch) is a flexible hoses, deposited the high heat conduction phase-change heat transfer of liquid medium (BeiJing ZhongKe's new and high technology exchange centre product) 13 in the closed container, the temperature dial gauge 11 that the reflection temperature is arranged on the airtight heat-conducting medium container, reflection heat-conducting medium temperature.During work, the liquid high heat conduction phase-change heat transfer medium of liquified-gas stove heating, make the heat-conducting medium gasification form circulation with the cavity that is communicated with the mould wall by heat pipe, reach mold heated, the heat-conducting medium of cooling liquid is back to the heating furnace closed container by heat pipe and is heated once more, moves in circles stable the obtaining of mould heated.Regulate the control burning, can control mold temperature.
Utility model is changed food containers and the packing containers such as lunch box, instant noodle bowl, pallet, water tumbler and various discs that different moulds can be produced different size.Heat-conducting medium is also available to be substituted such as heat conduction wet goods heat-conducting medium.Heating furnace also can be designed to one with paper pulp model formation machine.Heating furnace heat-conducting medium closed container heat-insulation layer can also be the hollow insulation construction.In die forming machine wall or the cavity base temperature element is set, also can be used for controlling heating furnace automatically heat-conducting medium is heated, realize the automatic control of mold temperature, or the like.These are all true uses novel protected scope.
Utility model is owing to adopt heat-conducting medium, especially high heat conduction phase-change heat transfer medium is to mold heated, it is rapid to have additional heat energy than the traditional electrical heating mould, firing rate is fast, shortened the hot pressing drying time (general needs about 40 seconds) of moulded paper pulp product greatly, it is about more than 20% to increase output thus, has improved the production efficiency of paper pulp model formation machine greatly; Next saving energy good heat conductivity, but the energy efficient expense is about about 50%, greatly reduces the manufacturing cost of paper table ware, container, is example with the production line of producing 3000 ten thousand lunch boxes per year, originally the mould electrical heating needs more than 500 kilowatt, adopts high heat conduction phase-change heat transfer medium to conduct heat and only needs more than 200 kilowatt; The 3rd thermal inertia is little easy to control, and mold temperature is constant, and full peace is reliable, thermal medium is conducting heat under the sealing state fully, and loss is minimum, long service life, and nontoxic, tasteless, no fouling, long-term use is not corroded, and can use low price thermals source such as combustion gas, coal, fuel oil.Adopt heat-conducting medium, equipment rate of growth and utilization rate can improve 30%, and comprehensive production cost can reduce about 60%.
Describe for convenient, the described paper pulp of utility model comprises the various plant fiber pulp as fibrous raw materials such as wood pulp, reed slurry, cotton pulp, tangerine bar slurry, bagasses.
Claims (7)
1, a kind of paper pulp model formation machine, the thermocompression forming device that comprises molding concave die, punch and the mold heating device composition of relative motion pressing, it is characterized in that die, punch in the said thermocompression forming device are located at respectively on the hollow cavity pedestal, this hollow cavity pedestal communicates with closed container in the heating furnace by heat pipe respectively, in the said heating furnace closed container heat-conducting medium is arranged.
2,, it is characterized in that said die, the non-moulding of punch are faced the wall and meditated to be communicated with the hollow base cavity according to the described paper pulp model formation machine of claim 1.
3,, it is characterized in that the hollow cavity pedestal of said connection mould has heat-insulation layer outward according to claim 1 or 2 described paper pulp model formation machines.
4,, it is characterized in that said heat-conducting medium is high heat conduction phase-change heat transfer medium according to claim 1 or 2 described paper pulp model formation machines.
5,, it is characterized in that on the said heat-conducting medium closed container temperature indicating device being arranged according to claim 1 or 2 described paper pulp model formation machines.
6,, it is characterized in that said heating furnace heat-conducting medium closed container has heat-insulation layer outward according to claim 1 or 2 described paper pulp model formation machines.
7, according to claim 1 or 2 described paper pulp model formation machines, the heat pipe that it is characterized in that said connection flexible mould cavity is a flexible hoses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00219588 CN2422338Y (en) | 2000-03-09 | 2000-03-09 | Improved pulp moulding shaping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00219588 CN2422338Y (en) | 2000-03-09 | 2000-03-09 | Improved pulp moulding shaping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2422338Y true CN2422338Y (en) | 2001-03-07 |
Family
ID=33584765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00219588 Expired - Fee Related CN2422338Y (en) | 2000-03-09 | 2000-03-09 | Improved pulp moulding shaping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2422338Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107081925A (en) * | 2016-02-15 | 2017-08-22 | 董沛 | Hot pressing improves vegetable material quality device |
| WO2019080242A1 (en) * | 2017-10-24 | 2019-05-02 | 深圳沃普智选科技有限公司 | Plant molding process and equipment |
| CN112593458A (en) * | 2020-11-23 | 2021-04-02 | 佛山浩升环保科技有限公司 | Paper pulp molding hot-pressing setting machine |
-
2000
- 2000-03-09 CN CN 00219588 patent/CN2422338Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107081925A (en) * | 2016-02-15 | 2017-08-22 | 董沛 | Hot pressing improves vegetable material quality device |
| WO2019080242A1 (en) * | 2017-10-24 | 2019-05-02 | 深圳沃普智选科技有限公司 | Plant molding process and equipment |
| CN112593458A (en) * | 2020-11-23 | 2021-04-02 | 佛山浩升环保科技有限公司 | Paper pulp molding hot-pressing setting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |