CN104441388A - Stirring device for polyurethane foaming machine - Google Patents
Stirring device for polyurethane foaming machine Download PDFInfo
- Publication number
- CN104441388A CN104441388A CN201410750513.4A CN201410750513A CN104441388A CN 104441388 A CN104441388 A CN 104441388A CN 201410750513 A CN201410750513 A CN 201410750513A CN 104441388 A CN104441388 A CN 104441388A
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- China
- Prior art keywords
- axle
- mixing part
- foaming machine
- agitating device
- polyurethane foaming
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a stirring device for a polyurethane foaming machine. The stirring device comprises a shell, a stirrer and a motor, wherein the shell is of a hollow structure provided with a feed opening and a discharge opening; the stirrer is arranged in the shell and comprises a first stirring part and a second stirring part which are sequentially arranged in series from the feed opening to the discharge opening; the first stirring part comprises a first shaft and stirring blades which are arranged around the axial direction and extend around; the second stirring part is provided with an S-shaped second shaft; the first shaft and the second shaft are arranged axially and rotatably; and the motor drives the first shaft. The stirring device disclosed by the invention is simple in structure, stable in foaming process, sufficient in stirring and uniform and moderate in bubble size, and is suitable for large-scale production of various polyurethane foamed materials.
Description
Technical field
The present invention relates to polyurethane production equipment technical field, relate generally to a kind of polyurethane foaming machine agitating device.
Background technology
At present, along with improving constantly of people's living standard, polyurethane foam material is widely used in the numerous areas such as productive life, such as, polyurethane heat insulation material, polyurethane roll-type window or door, polyurethane ceramic tile, polyurethane compound glass, polyurethane furniture, polyurethane flowerpot and polyurethane guardrail etc.In these industries, the production equipment of the polyurethane foam material used, adopts the polyurethane foaming equipment of air-blowing mixing mostly.The equipment of the type is cheap due to it, features such as technical difficulty is low, and maintaining cost is low and be subject to extensive use.
Traditional air-sweeping type polyurethane foaming machine adopts measuring pump to be expected by polyurethane A and B material squeezes into mixing head with the ratio of setting and flow, during mixing head one-way valve opens, A material and B material mix in mixing head, mixing head is blown out by compressed air, inject in mould and manufacture a finished product, but due to the polyurethane foam process extremely unstable of traditional air-sweeping type polyurethane foaming machine, cause the formed precision of the polyurethane foam material produced poor, be difficult to produce high-quality finished product.
Summary of the invention
The object of the invention is to overcome prior art defect, provide a kind of foaming process to stablize, stir abundant, that Air Bubble Size is evenly moderate polyurethane foaming machine agitating device.
To achieve these goals with some other objects, technical scheme provided by the invention is:
A kind of polyurethane foaming machine agitating device, is characterized in that, comprising:
Housing, it is a hollow structure with charging aperture and discharging opening;
Agitator, it is arranged in housing, and described agitator comprises from charging aperture to the first mixing part that discharging opening is arranged in series successively and the second mixing part, and described first portion of stirring comprises the first axle and around the extended paddle of axial surrounding; Second mixing part is set to " S " the second axle of shape;
Wherein, described first axle and described second axle coaxial rotating are arranged;
Motor, it drives the first axle.
Be arranged in series the first mixing part and the second mixing part from charging aperture successively to discharging opening, the first mixing part is different with the structure of the second mixing part, and object is to realize the Double stirring to the raw material of polyurethane foam material, makes whipping process more abundant; The raw material of structure to the polyurethane foam material entered in housing being specially the paddle of the first mixing part cuts while stirring, realize fully mixing as the object of air, second mixing part is " S " shape structure achieves and fully mixes the raw material of the polyurethane foam material being mixed into air, make the size of the bubble wherein formed and be more evenly distributed.
Preferably, the cross section of described paddle is " people " font, and the opening of described " people " font is towards discharging opening direction.The effect of the raw material of cutting polyurethane foam material is all played in the process that the upper end of " people " font and both sides rotate with the first axle at paddle.
Preferably, also comprise:
Gas passage, it is arranged in described first mixing part, and extended to described paddle free end along the axial direction of described first axle;
Give vent to anger shower nozzle, it is connected in the opening of " people " font being arranged on described paddle with the gas passage in described paddle, and described in the give vent to anger mouth of shower nozzle open identical with the opening direction of described " people " font; Arrange the shower nozzle that can ensure to give vent to anger like this not blocked by the raw material of this polyurethane foam material, affect the production of polyurethane foam material.
Air pump, it is connected with described gas passage by pipeline, and described motor drives air pump.
Constantly be blown into air in the process that gas passage coordinates give vent to anger shower nozzle and air pump to be uniformly mixed at the raw material of agitator to polyurethane foam material by air, form polyurethane foam material.
Preferably, also comprise: air valve, it is arranged on described pipeline.
According to the production requirement of polyurethane foam material, by the number of Air Valve Control air inflow, to adapt to the needs of the polyurethane foam material of different field.
Preferably, the first mixing part and the second mixing part are 4-6: 3 along the length ratio of the axial direction of the first axle.
Arrange like this and can ensure that bubble that the first mixing part is poured in the raw material of polyurethane foam material can meet the needs of expanded material, foam fully stable; Second mixing part is shorter along the length of the axial direction of the first axle, that the raw material of the polyurethane foam material being mixed into air is fully mixed on the one hand, make the size of the bubble wherein formed and be more evenly distributed, ensure that mixing time can not be long on the other hand, to such an extent as to destroy the bubble in too much expanded material.
Preferably, the first mixing part and the second mixing part are 5: 3 along the length ratio of the axial direction of the first axle.
Preferably, described housing cross section is circular.
Preferably, the minimum range of described second axle and housing sidewall is not more than 1cm.
Preferably, the smooth surface of described second axle.
Carry out in the production process of polyurethane foam material at use polyurethane foaming machine agitating device of the present invention, ensure that the most high liquid level (HLL) of the raw material of the polyurethane foam material in housing remains at the peak lower than the second mixing part.
The invention has the beneficial effects as follows:
Be arranged in series the first mixing part and the second mixing part from charging aperture successively to discharging opening, the first mixing part is different with the structure of the second mixing part, and object is to realize the Double stirring to the raw material of polyurethane foam material, makes whipping process more abundant; The raw material of structure to the polyurethane foam material entered in housing being specially the paddle of the first mixing part cuts while stirring, realize fully mixing as the object of air, second mixing part is " S " shape structure achieves and fully mixes the raw material of the polyurethane foam material being mixed into air, make the size of the bubble wherein formed and be more evenly distributed;
Constantly be blown into air in the process that gas passage coordinates give vent to anger shower nozzle and air pump to be uniformly mixed at the raw material of agitator to polyurethane foam material by air, form polyurethane foam material;
First mixing part and the second mixing part are 4-6: 3 along the length ratio of the axial direction of the first axle, can ensure that bubble that the first mixing part is poured in the raw material of polyurethane foam material can meet the needs of expanded material, foam fully stable; Second mixing part is shorter along the length of the axial direction of the first axle, that the raw material of the polyurethane foam material being mixed into air is fully mixed on the one hand, make the size of the bubble wherein formed and be more evenly distributed, ensure that mixing time can not be long on the other hand, to such an extent as to destroy the bubble in too much expanded material.
In sum, structure of the present invention is simple, foaming process stable, it is abundant to stir, Air Bubble Size is evenly moderate, is suitable for the large-scale production of multiple polyurethane foam material.
Accompanying drawing explanation
Fig. 1 be a kind of embodiment of polyurethane foaming machine agitating device of the present invention face structural representation.
Fig. 2 be the another kind of embodiment of polyurethane foaming machine agitating device of the present invention face structural representation.
Fig. 3 is the cross cut structure schematic diagram of the paddle of polyurethane foaming machine agitating device of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail, can implement according to this with reference to description word to make those skilled in the art.
As shown in Figure 1, the structure of polyurethane foaming machine agitating device of the present invention is:
Housing 1, it is a hollow structure with charging aperture 2 and discharging opening 7;
Agitator, it is arranged in housing 1, and agitator comprises from charging aperture to the first mixing part that discharging opening is arranged in series successively and the second mixing part, and first portion of stirring comprises the first axle 3 and around the extended paddle 4 of axial surrounding; Second mixing part is set to " S " the second axle 6 of shape;
Wherein, the first axle 3 and the second axle 6 coaxial rotating are arranged;
Motor, it drives the first axle 3.
In such scheme, the quantity of paddle 4 can adjust with the needs generating different polyurethane foam material according to the size of agitating device; " S " magnitude setting of the second axle 6 of shape also can adjust as required, as shown in Figure 2.
Be arranged in series the first mixing part and the second mixing part from charging aperture successively to discharging opening, the first mixing part is different with the structure of the second mixing part, and object is to realize the Double stirring to the raw material of polyurethane foam material, makes whipping process more abundant; The raw material of structure to the polyurethane foam material entered in housing 1 being specially the paddle 4 of the first mixing part cuts while stirring, realize fully mixing as the object of air, second mixing part is " S " shape structure achieves and fully mixes the raw material of the polyurethane foam material being mixed into air, make the size of the bubble wherein formed and be more evenly distributed.
As shown in Figure 3, the cross section of paddle 4 is " people " font, and the opening of " people " font is towards discharging opening direction.The effect of the raw material of cutting polyurethane foam material is all played in the process that the upper end of " people " font and both sides rotate with the first axle 3 at paddle 4.
Also comprise:
Gas passage 5, it is arranged in the first mixing part, and extended to paddle 4 free end along the axial direction of the first axle 3;
Give vent to anger shower nozzle 8, it is connected in the opening of " people " font being arranged on paddle 4 with the gas passage 5 in paddle 4, and the mouth of shower nozzle 8 of giving vent to anger is opened identical with the opening direction of " people " font; Arrange the shower nozzle 8 that can ensure to give vent to anger like this not blocked by the raw material of this polyurethane foam material, affect the production of polyurethane foam material.
Air pump, it is connected with gas passage 5 by pipeline, and motor drives air pump.
Constantly be blown into air in the process that gas passage 5 coordinates give vent to anger shower nozzle 8 and air pump to be uniformly mixed at the raw material of agitator to polyurethane foam material by air, form polyurethane foam material.
Also comprise: air valve, it is arranged on pipeline.
According to the production requirement of polyurethane foam material, by the number of Air Valve Control air inflow, to adapt to the needs of the polyurethane foam material of different field.
First mixing part and the second mixing part are 4-6: 3 along the length ratio of the axial direction of the first axle 3.
Arrange like this and can ensure that bubble that the first mixing part is poured in the raw material of polyurethane foam material can meet the needs of expanded material, foam fully stable; Second mixing part is shorter along the length of the axial direction of the first axle 3, that the raw material of the polyurethane foam material being mixed into air is fully mixed on the one hand, make the size of the bubble wherein formed and be more evenly distributed, ensure that mixing time can not be long on the other hand, to such an extent as to destroy the bubble in too much expanded material.
First mixing part and the second mixing part are 5: 3 along the length ratio of the axial direction of the first axle 3.
Housing 1 cross section is circular.
In such scheme, the cross section of housing can be rectangle or subcircular, but, especially with housing 1 cross section for circular best, to make stirring evenly thoroughly, do not stay dead angle.
Second axle 6 is not more than 1cm with the minimum range of housing 1 sidewall.
The smooth surface of the second axle 6.
Carry out in the production process of polyurethane foam material at use polyurethane foaming machine agitating device of the present invention, ensure that the most high liquid level (HLL) of the raw material of the polyurethane foam material in housing 1 remains at the peak lower than the second mixing part.
Although embodiment of the present invention are open as above, but it is not restricted to listed in description and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (9)
1. a polyurethane foaming machine agitating device, is characterized in that, comprising:
Housing, it is a hollow structure with charging aperture and discharging opening;
Agitator, it is arranged in housing, and described agitator comprises from charging aperture to the first mixing part that discharging opening is arranged in series successively and the second mixing part, and described first portion of stirring comprises the first axle and around the extended paddle of axial surrounding; Second mixing part is set to " S " the second axle of shape;
Wherein, described first axle and described second axle coaxial rotating are arranged;
Motor, it drives the first axle.
2. polyurethane foaming machine agitating device as claimed in claim 1, it is characterized in that, the cross section of described paddle is " people " font, and the opening of described " people " font is towards discharging opening direction.
3. polyurethane foaming machine agitating device as claimed in claim 2, is characterized in that, also comprise:
Gas passage, it is arranged in described first mixing part, and extended to described paddle free end along the axial direction of described first axle;
Give vent to anger shower nozzle, it is connected in the opening of " people " font being arranged on described paddle with the gas passage in described paddle, and described in the give vent to anger mouth of shower nozzle open identical with the opening direction of described " people " font;
Air pump, it is connected with described gas passage by pipeline, and described motor drives air pump.
4. polyurethane foaming machine agitating device as claimed in claim 3, is characterized in that, also comprise:
Air valve, it is arranged on described pipeline.
5. polyurethane foaming machine agitating device as claimed in claim 4, is characterized in that, the first mixing part and the second mixing part are 4-6: 3 along the length ratio of the axial direction of the first axle.
6. polyurethane foaming machine agitating device as claimed in claim 5, is characterized in that, the first mixing part and the second mixing part are 5: 3 along the length ratio of the axial direction of the first axle.
7. polyurethane foaming machine agitating device as claimed in claim 6, is characterized in that, described shell
The cross section of body is circular.
8. polyurethane foaming machine agitating device as claimed in claim 7, is characterized in that, described the
The minimum range of two axles and housing sidewall is not more than 1cm.
9. polyurethane foaming machine agitating device as claimed in claim 8, is characterized in that, the smooth surface of described second axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410750513.4A CN104441388B (en) | 2014-12-09 | 2014-12-09 | A kind of polyurethane foaming machine agitating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410750513.4A CN104441388B (en) | 2014-12-09 | 2014-12-09 | A kind of polyurethane foaming machine agitating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104441388A true CN104441388A (en) | 2015-03-25 |
| CN104441388B CN104441388B (en) | 2016-11-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410750513.4A Expired - Fee Related CN104441388B (en) | 2014-12-09 | 2014-12-09 | A kind of polyurethane foaming machine agitating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104441388B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6012447A (en) * | 1998-07-29 | 2000-01-11 | Stimsonite Corporation | Heated mixing kettle with dual acting agitators |
| US20020171163A1 (en) * | 2001-05-18 | 2002-11-21 | Barsby James B. | Apparatus and methods for mixing and injecting a foam core within an extruded shell |
| CN2710872Y (en) * | 2004-07-09 | 2005-07-20 | 大庆油田有限责任公司 | Electric double belt screw stem agitator |
| CN201009380Y (en) * | 2007-02-14 | 2008-01-23 | 张�诚 | Rubber slurry stirring machine |
-
2014
- 2014-12-09 CN CN201410750513.4A patent/CN104441388B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6012447A (en) * | 1998-07-29 | 2000-01-11 | Stimsonite Corporation | Heated mixing kettle with dual acting agitators |
| US20020171163A1 (en) * | 2001-05-18 | 2002-11-21 | Barsby James B. | Apparatus and methods for mixing and injecting a foam core within an extruded shell |
| CN2710872Y (en) * | 2004-07-09 | 2005-07-20 | 大庆油田有限责任公司 | Electric double belt screw stem agitator |
| CN201009380Y (en) * | 2007-02-14 | 2008-01-23 | 张�诚 | Rubber slurry stirring machine |
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| Publication number | Publication date |
|---|---|
| CN104441388B (en) | 2016-11-30 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xie Gang Inventor after: Li Minghuang Inventor after: Ma Zhaojian Inventor after: Meng Xianfang Inventor after: Zhou Fan Inventor after: Lu Junxing Inventor before: Zhang Liying Inventor before: Xie Tong Inventor before: Li Guangming |
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| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20171209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |