CN1066384C - Secondary cylinder structure for mud mixer - Google Patents
Secondary cylinder structure for mud mixer Download PDFInfo
- Publication number
- CN1066384C CN1066384C CN 95118755 CN95118755A CN1066384C CN 1066384 C CN1066384 C CN 1066384C CN 95118755 CN95118755 CN 95118755 CN 95118755 A CN95118755 A CN 95118755A CN 1066384 C CN1066384 C CN 1066384C
- Authority
- CN
- China
- Prior art keywords
- clay
- secondary tube
- screw
- double helix
- tug mill
- Prior art date
- 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.)
- Expired - Lifetime
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- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The present invention provides structure of a secondary barrel for earth kneader having stable quality to manufacture defectfree products. In the structure of a secondary barrel 3 between the vacuum camber 1 and body extrusion drum 2 of an earth kneader in which a dragonfly type blade 4, a single screw 5, and double screws 6 are installed from the upstream side to the downstream side of body, a triangular bar 9 as a body homogenizing member is installed between the single screw 5 and the double screws 6.
Description
The present invention relates to for example to be used for the to make pottery secondary tube structure of the manufacturing tug mill of chinaware, this cylindrical shell is between the vacuum chamber and the clay extruding cylinder with the clay compacting that carry out the clay degassing.
The various structures that always are used to squeeze out the tug mill of cylindrical clay are on record, for example the clay of the manufacturing pottery chinaware of supplying with from 1 cylindrical shell of not shown upper reaches one side is in the vacuum chamber degassing, the blade with secondary tube stirs clay then, the clay that stirred in the recipient compacting, and is extruded the clay of cylindrical shape from outlet.
Figure 4 shows that the structure of one of existing tug mill secondary tube example.In the example of Fig. 4, secondary tube 53 is arranged between vacuum chamber 51 and the clay extruding cylinder 52, and portion within it sequentially is located at flip type blade 54, single-screw 55 and double helix 56 on the rotating shaft 57 to downstream side from the upstream side of clay.
The structure of above-mentioned secondary tube 53 has the function that is sent to clay extruding cylinder after the clay that will take off gas at vacuum chamber 51 stirs, and the uniformity that stirs at these secondary tube 53 places is the key factor that clay quality (internal state) is extruded in decision.Therefore, be vital for the structure of extruding clay secondary tube 53 that will obtain high-quality.
Yet, in the secondary tube 53 of the existing tug mill of structure shown in Figure 4, multiple blade (in this example three kinds) is located on the rotating shaft 57 makes it to be integral rotation, but state according to clay, can not supply with uniform clay to double helix 56 from single-screw 55, consequently exist the problem that can not obtain the clay of homogeneous in the exit of double helix 56, in other words, the clay that comes out from single-screw 56 all is that integral body is being rotated equably and supplied with double-helical inlet face usually, if yet for example be the inhomogeneous state that hard and soft part mixes from the clay that single-screw comes out, one of two clay supply port that just have double helix 56 are supplied to another situation that is supplied to soft part of hard part and take place, that kind, can not get uniform clay in the exit of double helix 56.
For this reason, use is being equipped with the cylindrical clay that squeezes out on the tug mill of existing secondary tube, for example being made into a columniform end is that the suspension type porcelain insulator (insulator) of umbrella portion is in addition dry for the head other end, and the problem of head fracture, cracking (head cracking) takes place in big city.Promptly use to observe and watch, also can detect the problem of internal flaw (middle cracking) after formed body is fired less than the head cracking.
The secondary tube structure that the purpose of this invention is to provide a kind of tug mill can solve above-mentioned problem and make flawless goods, can access stay-in-grade clay.
Tug mill secondary tube of the present invention, be between tug mill vacuum chamber and clay extruding cylinder secondary tube, portion is being provided with the flip type blade from the clay upstream side to the downstream side order within it, single-screw and double helix, in such tug mill secondary tube structure, it is characterized in that between above-mentioned single-screw and above-mentioned double helix, being provided with the parts that make the clay homogenising.
In above-mentioned structure, be located at the homogenising parts of the clay between single-screw and the double helix, when when single-screw is supplied with inhomogeneous clay, with uneven clay homogenising, double-helical whole inlet is supplied with uniform clay, consequently can be obtained uniform clay in double-helical exit frequently.
Fig. 1 is the structural representation of an example of tug mill secondary tube of the present invention.
Fig. 2 is a routine structural representation of tug mill secondary tube intermediate cam pin of the present invention shown in Figure 1.
Fig. 3 is a routine structural representation of inwall in the tug mill secondary tube of the present invention shown in Figure 1.
Fig. 4 is a routine structural representation of existing tug mill secondary tube.
1. vacuum chamber, 2. clay extruding cylinder, 3. secondary tube, 4. flip type blade, 5. single-screw, 6. double helix, 7. rotating shaft, 8. fan type blade, 9. triangle pin, 10. liner, 11-1,11-2. pin, 12. inwalls, 13. grooves.
Fig. 1 is a routine structural representation of tug mill secondary tube of the present invention.In example shown in Figure 1, the secondary tube 3 and the existing structure that are arranged between vacuum chamber 1 and the clay extruding cylinder 2 are same, portion from the dirty side of upper reaches one side direction of clay, is installed in flip type blade 4, single-screw 5 and double helix 6 on the same rotating shaft 7 in proper order within it.In addition, the end of the rotating shaft in vacuum chamber 17 is provided with fan type blade 8.
Important part in the tug mill secondary tube 3 of the present invention shown in Figure 1 is, is provided with the triangle pin as clay homogenising parts between single-screw 5 and double helix 6.And, be provided with liner 10 in rotating shaft 7 in order between single-screw 5 and double helix 6, to form the space that is provided with of triangle pin 9.As an example of each size, in example shown in Figure 1, the diameter of phi of secondary tube 3
0Be 500mm, the length l of secondary tube 3
1Be 410mm, l
2Be 100mm, l
3Be 100mm, l
4Be 410mm.
Fig. 2 is the shape figure from the secondary tube 3 intermediate cam pins 9 of the axial seen tug mill of the present invention of rotating shaft 7.Among Fig. 2, to be the bar 11-1 that is uneven in length by both sides and 11-2 form from inwall 12 upright the establishing of cylindrical shell 3 triangle lever 9.And the central shaft that two triangle pins 9 are symmetrical in secondary tube 3 is established.In this example, exemplified the example of triangle pin 9 as clay homogenising parts, but its shape is not limited to triangle, other shapes for example rectangle, circularly also can obtain same effect.In addition, owing to exist rotating shaft 7, preferably on the inwall 12 of secondary tube 2, establish 2 clay homogenising parts at least in order to avoid rotating shaft 7 at the center of secondary tube 3.
In example shown in Figure 2, at the inner face of secondary tube 3, shown in Fig. 3 (a) and (b), be provided with many grooves 13 that are parallel to the barrel surface bus.This groove 13 is used to prevent 2 the clay idle running in the cylindrical shell 3, so that squeeze out through well-beaten clay.Like this, just can prevent drying, burn till the be full of cracks of stampings.As an example of each size, in example shown in Figure 2, the thickness t of triangle pin is 15mm, and wide is 60mm, length h
1Be 130mm, h
2For 160mm, angle θ are 60 °.
In secondary tube 3 of the present invention shown in Figure 2, the clay after the vacuum chamber degassing is at first mixed by fan type blade, flip type blade 4, and the clay after mixing is sent to single-screw 5.Using fan type blade 8 and flip type blade 4 is to expect to mix efficiently clay.Clay is along with the rotation of single-screw 5 is filled with, compacting then, and the clay after filling, compacting is sent to double helix 6 from the outlet end of single-screw 5.
Be sent to the clay of double helix 6 because the existence of triangle pin 9 is arranged from single-screw 5, the clay of sending here from the outlet side end of single-screw 5, under turning effort, between single-screw 5 and double helix 6, form the clay wall, thereby supply to the entrance side end of double helix 6 equably.In addition, for example when the clay of supplying with from the outlet of single-screw 5 is inhomogeneous, even such as hard part and soft part mix when inhomogeneous also can enough triangle pins 9 with clay compacting and homogenising, therefore also can supply with uniform clay to double helix 6.Consequently, the clay of sending from the outlet side end of double helix 6 often is a homogeneous.
In the structure of secondary tube 3 of the present invention, therefore the structure of single-screw 5 and double helix 6 is necessary the pitch and the number of turns as design considerations are done optimal selection owing to have the heavy action that clay is stirred into highdensity homogeneous clay and supply with the clay extruding cylinder of downstream side.The improper meeting of these designs becomes the clay stirring and fills reason insufficient and the production capacity height.Wherein the pitch of blade considers that following relation decides.
(1). the pitch of double helix 6:
Production capacity lowly<(pitch of blade/the secondary tube diameter<stirring is insufficient)
(2). the pitch of single-screw 5:
The clay that stirs insufficient<(pitch of the pitch/blade 6 of blade 5)<return to vacuum chamber is many.
Can be clear by above explanation, according to the present invention, owing between single-screw and double helix, be provided with clay homogenising parts, so when when single-screw is supplied with uneven clay, can be with uneven clay homogenising, and supply with uniform clay to whole double-helical inlet, consequently often can obtain the clay of homogeneous in double-helical outlet.Therefore, use the prepared clay of tug mill that is equipped with secondary tube structure of the present invention, can produce the clay of the needed stay in grade of goods of defectives such as not having head fracture, middle cracking.
Claims (1)
1. the secondary tube of a tug mill, between tug mill vacuum chamber and clay extruding cylinder, its inside is sequentially with flip type blade, single-screw, double helix, 2 tube structures at this tug mill to downstream side from the clay upstream side, it is characterized in that being provided with between above-mentioned single-screw and above-mentioned double helix clay homogenising parts, these clay homogenising parts are made of radially upright a pair of triangle pin, rectangle pin, circular pin or their equivalent that is located on the secondary tube.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP253013/95 | 1995-09-29 | ||
JP25301395A JPH0994818A (en) | 1995-09-29 | 1995-09-29 | Structure of secondary barrel of earth kneader |
JP253013/1995 | 1995-09-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1146393A CN1146393A (en) | 1997-04-02 |
CN1066384C true CN1066384C (en) | 2001-05-30 |
Family
ID=17245278
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 95223697 Expired - Lifetime CN2246060Y (en) | 1995-09-29 | 1995-11-07 | Secondary cylinder structure of clay mixer |
CN 95118755 Expired - Lifetime CN1066384C (en) | 1995-09-29 | 1995-11-07 | Secondary cylinder structure for mud mixer |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 95223697 Expired - Lifetime CN2246060Y (en) | 1995-09-29 | 1995-11-07 | Secondary cylinder structure of clay mixer |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPH0994818A (en) |
CN (2) | CN2246060Y (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101622112A (en) | 2007-03-01 | 2010-01-06 | 日本碍子株式会社 | Soil kneader |
JP4951558B2 (en) | 2008-03-19 | 2012-06-13 | 日本碍子株式会社 | Clay mill |
JP5686345B2 (en) * | 2011-03-29 | 2015-03-18 | 日本電産シンポ株式会社 | Kneading equipment |
JP5880178B2 (en) * | 2012-03-16 | 2016-03-08 | 日本碍子株式会社 | Extrusion method of clay |
CN106272955A (en) * | 2016-08-18 | 2017-01-04 | 安庆惠嘉新型建材有限公司 | The mounting structure of the double-stage vacuum extruding machine of a kind of simple in construction and using method thereof |
-
1995
- 1995-09-29 JP JP25301395A patent/JPH0994818A/en active Pending
- 1995-11-07 CN CN 95223697 patent/CN2246060Y/en not_active Expired - Lifetime
- 1995-11-07 CN CN 95118755 patent/CN1066384C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN2246060Y (en) | 1997-01-29 |
CN1146393A (en) | 1997-04-02 |
JPH0994818A (en) | 1997-04-08 |
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C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20010530 |
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EXPY | Termination of patent right or utility model |