CN101905131A - Variable frequency low speed mixer and method for mixing materials with different stacking densities - Google Patents

Variable frequency low speed mixer and method for mixing materials with different stacking densities Download PDF

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Publication number
CN101905131A
CN101905131A CN 201010238355 CN201010238355A CN101905131A CN 101905131 A CN101905131 A CN 101905131A CN 201010238355 CN201010238355 CN 201010238355 CN 201010238355 A CN201010238355 A CN 201010238355A CN 101905131 A CN101905131 A CN 101905131A
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Prior art keywords
mixing chamber
liquid material
auxilliary
main mixing
main
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CN 201010238355
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CN101905131B (en
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徐伟
谢怀兴
周开德
诸泉
蒋文真
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Hecheng Technology Co ltd
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GUANGZHOU HONSEA CHEMISTRY CO LTD
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Abstract

The invention provides a variable frequency low speed mixer and a method for mixing materials with different stacking densities. The mixer comprises a main mixing chamber and an auxiliary mixing chamber, wherein the auxiliary mixing chamber is arranged in the main mixing chamber; a material mixing cover of the main mixing chamber is provided with a granular material feed port; the bottom of the main mixing chamber is provided with an impeller mechanism; the top of the auxiliary mixing chamber is provided with a powdery material feed port and a liquid material feed port; the wall of the auxiliary mixing chamber is provided with a liquid material discharge port and a plurality of powdery material discharge ports; the top of the auxiliary mixing chamber is provided with a liquid material temporary storage chamber which is communicated with the liquid material feed port and the liquid material discharge port; and by the method, the granular material or preliminarily mixed material is threw up by using the main mixing chamber and the powdery material or the liquid material is scattered in the main mixing chamber by using the auxiliary mixing chamber, so various materials with large stacking density difference are mixed uniformly. The mixer and the method can effectively prevent the phenomenon of non-uniform mixing of the materials, realize premixing with good effect and reduce the probability of demixing of the granular material and the powdery material while greatly shortening the mixing time.

Description

Be used to mix the variable frequency low speed mixer and the method for materials with different stacking densities
Technical field
The present invention relates to technical field of plastic, particularly a kind of variable frequency low speed mixer and method that is used to mix materials with different stacking densities.
Background technology
High-speed mixer is to use plastics mixing apparatus very widely, can be used for colour mixture, produces masterbatch, the premix of batching and intermingling material.High-speed mixer commonly used is made up of mixing chamber, impeller, deflection plate, mixing cover, discharge device and transmission device etc.In high-speed mixer when work,, the impeller of rotation makes material along the impeller tangential motion by the frictional force of its surface and material and side to the thrust of material at a high speed.Simultaneously, because action of centrifugal force, material is thrown to the mixing chamber inwall, and rises along wall, after being raised to certain altitude, because the gravity effect falls back to the impeller center again, and thrown.This ascending motion combines with tangential motion, makes material in fact be in the upper and lower motion state of continuous helical form.Deflection plate in the mixing chamber has further confused the material fluidised form, makes material form random motion, and form very strong vortex near deflection plate.Owing to must throw material during the high-speed mixer mixed material, rely on gravity fall then, this cause easily when just having caused and having differed bigger material (as pellet and powder, pellet and liquid material etc.) with high-speed mixer mixed-stacking density mix inhomogeneous, particularly in the modified plastics industry, if plastic grain and filler powder mix during the raw material premixed, easier appearance mixes inhomogeneous, and the raw material premix is inhomogeneous, then cause the properties of product instability of producing easily, cause problems such as the yield rate of product is low by prescription.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of variable frequency low speed mixer that is used to mix materials with different stacking densities is provided, this mixer is even to mixing of materials, is particularly useful for that bulk density differs bigger material premix in the modified plastics industry.
Another object of the present invention is to provide a kind of method that is used to mix materials with different stacking densities that realizes by above-mentioned variable frequency low speed mixer.
The present invention is achieved through the following technical solutions: a kind of variable frequency low speed mixer that is used to mix materials with different stacking densities, comprise main mixing chamber and auxilliary mixing chamber, auxilliary mixing chamber is located at main mixing chamber inside, the batch mixer of main mixing chamber covers and is provided with the pellet charge door, the main mixing chamber bottom is provided with impeller mechanism, the top of auxilliary mixing chamber is provided with powder feed mouth and liquid material charge door, the locular wall of auxilliary mixing chamber is provided with liquid material discharging opening and a plurality of powder discharging opening, and auxilliary mixing chamber top is provided with the liquid material temporary room that is communicated with liquid material charge door and liquid material discharging opening.
Liquid material charge door can also external liquid material metering device, so that the liquid material measures during the material premix.
The batch mixer that main mixing chamber is fixed at the top of described auxilliary mixing chamber covers, and the powder feed mouth and the liquid material charge door of auxilliary mixing chamber pass the batch mixing cover respectively, and auxilliary mixing chamber top also is provided with auxilliary mixing chamber drive motors.
Described impeller mechanism comprises impeller and main mixing chamber drive motors, the wheel shaft of impeller is connected with the main mixing chamber drive motors by driving-belt, the chassis of impeller is a circular base plate, evenly is provided with the paddle of at least 4 tilted conicals on the chassis, and the summit of each paddle overlaps with the center of circle, chassis.Wherein the number of paddle can be provided with according to actual needs.
Described paddle and chassis bottom face in contact are triangle, and the apex angle ss that triangle is positioned at the center chassis place is 30~80 °; The perpendicular side in paddle and chassis is a triangle, and leg-of-mutton apex angle is 90~140 °.
As preferred version of the present invention, described apex angle ss is 60 °, and apex angle is 115 °.
Described main mixing chamber is columniform tube structure, and the main mixing chamber bottom is provided with discharge gate.
Described auxilliary mixing chamber is that a bottom is hemispheric cylindrical tube, and the middle part of cylinder lateral wall is provided with liquid material discharging opening, and cylindrical shell bottom and sidewall are provided with a plurality of powder discharging openings.Wherein, the number of liquid material discharging opening and powder discharging opening can be provided with according to actual needs.
Can realize a kind of method that is used to mix materials with different stacking densities by above-mentioned variable frequency low speed mixer, may further comprise the steps:
(1) in main mixing chamber, adds pellet by the pellet charge door, in auxilliary mixing chamber, add powder, in the liquid material temporary room of auxilliary mixing chamber, add the liquid material by liquid material charge door by the powder feed mouth;
(2) start main mixing chamber drive motors and auxilliary mixing chamber drive motors respectively, the main mixing chamber drive motors drives the wheel rotation of being located at the main mixing chamber bottom, and the material in the main mixing chamber is thrown, and material is mixed in leaning on the process of gravity fall; Auxilliary mixing chamber drive motors drives auxilliary mixing chamber rotation, by liquid material discharging opening the liquid material is thrown away, and by the powder discharging opening powder is thrown away, and liquid material and powder mix with pellet in main mixing chamber;
(3) after mixing of materials is finished, send from the discharge gate of main mixing chamber bottom.
Wherein, the velocity of rotation of impeller is 400RPM described in the step (2), and the velocity of rotation of auxilliary mixing chamber is 100RPM.
When variable frequency low speed mixer of the present invention uses, main mixing chamber is mainly thrown to the pellet of its inside or through the preliminary material that mixes, in this process, also rotating owing to assisting mixing chamber, therefore required powder or liquid material can be thrown away, evenly spread to pellet or the preliminary material that mixes, according to actual needs, can regulate the consumption of powder or liquid material, thereby realized the mixed system of one deck pellet stack one deck powder or liquid material, realize that the distribution of powder or liquid material adds in the pellet, the various materials that makes bulk density differ bigger can mix.
Compared with prior art, the present invention has following beneficial effect:
1, in the variable frequency low speed mixer of the present invention, the main mixing chamber drive motors and the driving-belt that are connected with impeller can adopt the variable frequency low speed transmission device, the paddle of impeller is the turbine impeller of tilted conical, therefore, in the mixing of materials process, it is very high that material can not thrown, and various materials do not fall when can be because bulk density differs greatly different yet, thereby have avoided the uneven phenomenon of mixing of materials.
2, in the variable frequency low speed mixer of the present invention, by main mixing chamber and auxilliary mixing chamber the various materials that bulk density differs greatly are separated, under in main mixing chamber and auxilliary mixing chamber, rotating then, liquid material or powder as processing aid are spread on the pellet from level to level, can obtain the mixed system of one deck pellet stack one deck powder or liquid material, realized effect premixed preferably, when reducing incorporation time greatly, also reduced the probability of granular material and granular material layering, made that mixing is more even.
Description of drawings
Fig. 1 is the structural representation of this variable frequency low speed mixer.
Fig. 2 is the structural representation of impeller in this variable frequency low speed mixer.
Fig. 3 is that the A-A of Fig. 2 is to view.
Fig. 4 is the structural representation of auxilliary mixing chamber in this variable frequency low speed mixer.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
A kind of variable frequency low speed mixer that is used to mix materials with different stacking densities of present embodiment, its structure as shown in Figure 1, comprise main mixing chamber 1 and auxilliary mixing chamber 2, auxilliary mixing chamber 2 is located at main mixing chamber 1 inside, the batch mixing cover 3 of main mixing chamber 1 is provided with pellet charge door 4, main mixing chamber 1 bottom is provided with impeller mechanism, the top of auxilliary mixing chamber 2 is provided with powder feed mouth 6 and liquid material charge door 7, the locular wall of auxilliary mixing chamber 2 is provided with liquid material discharging opening 8 and a plurality of powder discharging opening 9, and auxilliary mixing chamber 2 tops are provided with the liquid material temporary room 10 that is communicated with liquid material charge door 7 and liquid material discharging opening 8.
Liquid material charge door 7 can also external liquid material metering devices, so that the liquid material measures during the material premix.
The top of auxilliary mixing chamber 2 is fixed on the batch mixing cover 3 of main mixing chamber 1, and the powder feed mouth 6 and the liquid material charge door 7 of auxilliary mixing chamber 2 pass batch mixing cover 3 respectively, and auxilliary mixing chamber 2 tops also are provided with auxilliary mixing chamber drive motors 11.
Impeller mechanism comprises impeller 12 and main mixing chamber drive motors 13, the wheel shaft of impeller 12 is connected with main mixing chamber drive motors 13 by driving-belt 14, the structure of impeller 12 such as Fig. 2 or shown in Figure 3, its chassis 15 is a circular base plate, evenly be provided with the paddle 16 of at least 4 tilted conicals on the chassis 15, the summit of each paddle 16 overlaps with the center of circle on chassis 15.Wherein the number of paddle 16 can be provided with according to actual needs.Paddle 16 is a triangle with chassis 15 bottom face in contact, and the apex angle ss that triangle is positioned at the center chassis place can be 30~80 °; Paddle 16 and chassis 15 perpendicular sides 17 are triangle, and leg-of-mutton apex angle can be 90~140 °.
In the present embodiment, apex angle ss is 60 °, and apex angle is 115 °.
Main mixing chamber 1 is columniform tube structure, and main mixing chamber 1 bottom is provided with discharge gate 5.
As shown in Figure 4, auxilliary mixing chamber 2 is that a bottom is hemispheric cylindrical tube, and the middle part of cylinder lateral wall is provided with liquid material discharging opening 8, and cylindrical shell bottom and sidewall are provided with a plurality of powder discharging openings 6.Wherein, the number of liquid material discharging opening 8 and powder discharging opening 6 can be provided with according to actual needs.
Can realize a kind of method that is used to mix materials with different stacking densities by above-mentioned variable frequency low speed mixer, may further comprise the steps:
(1) in main mixing chamber 1, adds pellet by pellet charge door 4, in auxilliary mixing chamber 2, add powder, in the liquid material temporary room 10 of auxilliary mixing chamber 2, add the liquid material by liquid material charge door 7 by powder feed mouth 6;
(2) start main mixing chamber drive motors 11 and auxilliary mixing chamber drive motors 13 respectively, main mixing chamber drive motors 11 drives the impeller 12 of being located at main mixing chamber 1 bottom and rotates, and the material in the main mixing chamber 1 is thrown, and material is mixed in leaning on the process of gravity fall; Auxilliary mixing chamber drive motors 11 drives auxilliary mixing chamber 2 rotations, by liquid material discharging opening 8 the liquid material is thrown away, and by powder discharging opening 9 powder is thrown away, and liquid material and powder mix with pellet in main mixing chamber 1;
(3) after mixing of materials is finished, send from the discharge gate 5 of main mixing chamber 1 bottom.
Wherein, the velocity of rotation of impeller 12 is 400RPM described in the step (2), and the velocity of rotation of auxilliary mixing chamber 2 is 100RPM.
When the variable frequency low speed mixer of present embodiment uses, main mixing chamber 1 is mainly thrown to the pellet of its inside or through the preliminary material that mixes, in this process, also rotating owing to assisting mixing chamber 2, therefore required powder or liquid material can be thrown away, evenly spread to pellet or the preliminary material that mixes, according to actual needs, can regulate the consumption of powder or liquid material, thereby realized the mixed system of one deck pellet stack one deck powder or liquid material, realize that the distribution of powder or liquid material adds in the pellet, the various materials that makes bulk density differ bigger can mix.
As mentioned above, just can realize the present invention preferably, the foregoing description is preferred embodiment of the present invention only, is not to be used for limiting practical range of the present invention; Be that all equalizations of doing according to content of the present invention change and modification, all contained by claim of the present invention scope required for protection.

Claims (9)

1. be used to mix the variable frequency low speed mixer of materials with different stacking densities, it is characterized in that, comprise main mixing chamber and auxilliary mixing chamber, auxilliary mixing chamber is located at main mixing chamber inside, the batch mixer of main mixing chamber covers and is provided with the pellet charge door, the main mixing chamber bottom is provided with impeller mechanism, the top of auxilliary mixing chamber is provided with powder feed mouth and liquid material charge door, the locular wall of auxilliary mixing chamber is provided with liquid material discharging opening and a plurality of powder discharging opening, and auxilliary mixing chamber top is provided with the liquid material temporary room that is communicated with liquid material charge door and liquid material discharging opening.
2. according to the described variable frequency low speed mixer that is used to mix materials with different stacking densities of claim 1, it is characterized in that, the batch mixer that main mixing chamber is fixed at the top of described auxilliary mixing chamber covers, the powder feed mouth and the liquid material charge door of auxilliary mixing chamber pass the batch mixing cover respectively, and auxilliary mixing chamber top also is provided with auxilliary mixing chamber drive motors.
3. according to the described variable frequency low speed mixer that is used to mix materials with different stacking densities of claim 1, it is characterized in that, described impeller mechanism comprises impeller and main mixing chamber drive motors, the wheel shaft of impeller is connected with the main mixing chamber drive motors by driving-belt, the chassis of impeller is a circular base plate, evenly be provided with the paddle of at least 4 tilted conicals on the chassis, the summit of each paddle overlaps with the center of circle, chassis.
4. according to the described variable frequency low speed mixer that is used to mix materials with different stacking densities of claim 3, it is characterized in that described paddle and chassis bottom face in contact are triangle, the apex angle ss that triangle is positioned at the center chassis place is 30~80 °; The perpendicular side in paddle and chassis is a triangle, and leg-of-mutton apex angle is 90~140 °.
5. according to the described variable frequency low speed mixer that is used to mix materials with different stacking densities of claim 4, it is characterized in that described apex angle ss is 60 °, apex angle is 115 °.
6. according to the described variable frequency low speed mixer that is used to mix materials with different stacking densities of claim 1, it is characterized in that described main mixing chamber is columniform tube structure, the main mixing chamber bottom is provided with discharge gate.
7. according to the described variable frequency low speed mixer that is used to mix materials with different stacking densities of claim 1, it is characterized in that, described auxilliary mixing chamber is that a bottom is hemispheric cylindrical tube, and the middle part of cylinder lateral wall is provided with liquid material discharging opening, and cylindrical shell bottom and sidewall are provided with a plurality of powder discharging openings.
8. realize a kind of method that is used to mix materials with different stacking densities according to each described variable frequency low speed mixer of claim 1~7, it is characterized in that, may further comprise the steps:
(1) in main mixing chamber, adds pellet by the pellet charge door, in auxilliary mixing chamber, add powder, in the liquid material temporary room of auxilliary mixing chamber, add the liquid material by liquid material charge door by the powder feed mouth;
(2) start main mixing chamber drive motors and auxilliary mixing chamber drive motors respectively, the main mixing chamber drive motors drives the wheel rotation of being located at the main mixing chamber bottom, and the material in the main mixing chamber is thrown, and material is mixed in leaning on the process of gravity fall; Auxilliary mixing chamber drive motors drives auxilliary mixing chamber rotation, by liquid material discharging opening the liquid material is thrown away, and by the powder discharging opening powder is thrown away, and liquid material and powder mix with pellet in main mixing chamber;
(3) after mixing of materials is finished, send from the discharge gate of main mixing chamber bottom.
9. the described according to Claim 8 method that is used to mix materials with different stacking densities is characterized in that the velocity of rotation of impeller is 400RPM described in the step (2), and the velocity of rotation of auxilliary mixing chamber is 100RPM.
CN2010102383556A 2010-07-27 2010-07-27 Variable frequency low speed mixer and method for mixing materials with different stacking densities Active CN101905131B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107930452A (en) * 2017-12-22 2018-04-20 安吉安畅道路施救服务有限公司 A kind of lubricating oil preparation mill Robot
CN108031390A (en) * 2017-12-22 2018-05-15 安吉安畅道路施救服务有限公司 A kind of lubricating oil preparation stirring means
CN108126584A (en) * 2017-12-27 2018-06-08 潘金槐 A kind of medicinal powder mixing plant for capsule manufacture

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5497948A (en) * 1995-05-16 1996-03-12 Hockmeyer Equipment Corp. Basket media mill with extended impeller
US5967430A (en) * 1995-09-09 1999-10-19 Hermann Getzmann Dispersing device and process
CN1683138A (en) * 2005-03-07 2005-10-19 毕舒 Method and device for powder composition modification
CN201744328U (en) * 2010-07-27 2011-02-16 广州市合诚化学有限公司 Variable-frequency low-speed mixing machine for mixing materials with different bulk densities

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5497948A (en) * 1995-05-16 1996-03-12 Hockmeyer Equipment Corp. Basket media mill with extended impeller
US5967430A (en) * 1995-09-09 1999-10-19 Hermann Getzmann Dispersing device and process
CN1683138A (en) * 2005-03-07 2005-10-19 毕舒 Method and device for powder composition modification
CN201744328U (en) * 2010-07-27 2011-02-16 广州市合诚化学有限公司 Variable-frequency low-speed mixing machine for mixing materials with different bulk densities

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107930452A (en) * 2017-12-22 2018-04-20 安吉安畅道路施救服务有限公司 A kind of lubricating oil preparation mill Robot
CN108031390A (en) * 2017-12-22 2018-05-15 安吉安畅道路施救服务有限公司 A kind of lubricating oil preparation stirring means
CN108126584A (en) * 2017-12-27 2018-06-08 潘金槐 A kind of medicinal powder mixing plant for capsule manufacture

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Address after: 510530 603-604, Guangsheng international building, 17 Zhujiang West Road, Tianhe District, Guangzhou City, Guangdong Province

Patentee after: Hecheng Technology Co.,Ltd.

Address before: 510530 Guangdong city of Guangzhou province YUNPU (Baiyun) Chenglu cloud Industrial Zone No. 8

Patentee before: GUANGZHOU HONSEA CHEMISTRY Co.,Ltd.

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