CN2537685Y - Pitch variable screw conveyer - Google Patents
Pitch variable screw conveyer Download PDFInfo
- Publication number
- CN2537685Y CN2537685Y CN 02202738 CN02202738U CN2537685Y CN 2537685 Y CN2537685 Y CN 2537685Y CN 02202738 CN02202738 CN 02202738 CN 02202738 U CN02202738 U CN 02202738U CN 2537685 Y CN2537685 Y CN 2537685Y
- Authority
- CN
- China
- Prior art keywords
- feed plate
- helical feed
- delivery
- pitch
- conveying
- 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 - Fee Related
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- Screw Conveyors (AREA)
Abstract
The utility model discloses an auger conveyor with variable pitches, which comprises auger delivery boards, a delivery shaft and a delivery casing. The auger delivery boards extend with variable pitches along the delivery shaft, and are fixedly connected with the delivery shaft; the helical pitches on the delivery shaft formed by the auger delivery boards are increasing along the delivery direction, that is, t1<t2<t3<ellipsis tn; the sections of the auger delivery boards are curve, and the ends are of smooth arc. As an auger conveying structure with variable pitches is used, and the pitches are increasing along the delivery direction, the linear density of the grain collected in the helical pitch near to the grain-out end is relatively lower, and the linear density of the grain collected in the helical pitch far from the grain-out end is relatively higher, this can effectively stop the outward overflowing of grains in each pitch, and remove any jamming; meanwhile, as the ends of the outer edges of the auger delivery boards are arc, the breakage of grains can be effectively reduced.
Description
(1) technical field
The utility model relates to the feedway of a kind of graininess, easy broken article, relates in particular to a kind of cereal helix transporting device.
(2) background technology
In existing combination machine, thresing machine, grain elevator and Cereals Processing Machines, be used to carry the helix transporting device of cereal to comprise helical feed plate, conveying axis, conveying housing and bearing.Pitches such as helical feed plate ground extends along the throughput direction of conveying axis, and be one with conveying axis weldering, the combination of helical feed plate and conveying axis is bearing in by bearing and carries on the housing, gap between the outward flange of helical feed plate and the conveying housing is 4～7 millimeters, and the cross sectional shape of helical feed plate is a linear pattern.
Owing to do not do any processing in the outward flange end of helical feed plate, body for sheet material, in the working process of helix transporting device, the outward flange and the cereal of helical feed plate constantly rub, make it to be edge of a knife shape gradually, be in the cereal between helical feed plate outward flange end and the conveying housing, in course of conveying, be subjected to the extruding that helical feed plate outward flange is the end of edge of a knife shape, very easily make the cereal fragmentation; Simultaneously, because the helical feed plate is formed on conveying axis the spiral of pitch such as to be, collected cereal is uneven in each pitch of helical feed plate, along throughput direction, the collected cereal of helical feed plate increases gradually, be that the collected cereal of grain discharging end is more, whole like this helix transporting device unbalance stress in course of conveying, the cereal that is transferred in the pitch at grain discharging end place is more, and the cereal that is transferred in the pitch at front end place is less, grain discharging end even occur can not holding any more and excessive so very easily causes whole helical feed and carries between the housing to produce stuck phenomenon, and whole device can't be worked.
(3) summary of the invention:
Problem to be solved in the utility model is:
1, in course of conveying, how to make cereal amount collected in each pitch approaching substantially to the distance of the outward flange end of helical feed plate, block the excessive of the interior cereal of each pitch, eliminate the stuck phenomenon between helical feed plate and the conveying housing.
2, how to reduce the problem that cereal is broken because of being squeezed between helical feed plate and conveying housing.
The utility model is to solve above-mentioned two problems by following technical solution.
Variable-pitch screw feedway described in the utility model, comprise the helical feed plate, conveying axis, carry housing and bearing, the helical feed plate is captiveed joint with conveying axis and is integral, the combination of conveying axis and helical feed plate is bearing in by two bearings and carries on the housing, described helical feed plate variable pitch ground extends along conveying axis, be that helical feed plate formed screw pitch on conveying axis changes, gap between the outward flange of helical feed plate and the conveying housing is even, and the size in gap is 4～7 millimeters, and the cross sectional shape of the outer peripheral end of helical feed plate is smooth circular arc.
As to further improvement of the utility model, described helical feed plate formed screw pitch on conveying axis increases progressively along throughput direction, i.e. t
1＜t
2＜t
3＜... t
n, the shape of cross section of helical feed plate is a curved surface, and along the axis direction bending of throughput direction to conveying axis.
As further improving of the present utility model, the cross sectional shape of the outer peripheral end of described helical feed plate is circular arc flange or flanging, also can be welded with a circular iron wire at its end, can also in be surrounded by the structure of iron wire.
Owing to adopt the variable-pitch screw structure for conveying, and along increasing progressively on the throughput direction, make near the cereal linear density of collecting in the screw pitch of grain discharging end relatively low, and the interior collected cereal linear density of pitch in its back-end is higher relatively, so just can block the excessive of the interior cereal of each pitch effectively, eliminate stuck phenomenon; Because the cross sectional shape of the outer peripheral end of helical feed plate is designed to circular arc, can reduce the fragmentation of cereal effectively simultaneously.
(4) description of drawings,
Fig. 1 is a structural representation of the present utility model
Fig. 2 is the cutaway view of A-A position among Fig. 1
Fig. 3 to Fig. 6 is the cross-sectional cross section enlarged drawing of helical feed plate
The outer peripheral end of helical feed plate wherein shown in Figure 3 is the structure that is rolled into open circle.
The outer peripheral end of helical feed plate shown in Figure 4 is the structure that is welded with circular iron wire.
The outer peripheral end of helical feed plate shown in Figure 5 is surrounded by the structure of iron wire in being.
The outer peripheral end of helical feed plate shown in Figure 6 is the structure behind the steel plate flanging.
(5) specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
The utility model variable-pitch screw feedway comprises helical feed plate 1, conveying axis 2, carries housing 3 and two bearings 4, and described helical feed plate 1 variable pitch ground extends along conveying axis, and increases progressively along the pitch of each spiral of throughput direction, i.e. t
1＜t
2＜t
3＜... t
nGap between the outward flange of helical feed plate 1 and the conveying housing 3 is even; the size in gap is 5 millimeters; the outer peripheral end of described helical feed plate 1 is rolled into a hollow circular arc; the cross-sectional cross sectional shape of helical feed plate 1 is a curved surface 12; and curved surface 12 is along the axis direction bending of throughput direction to conveying axis 2; promptly to the anticlockwise direction bending; certainly; the outer peripheral end of described helical feed plate also can be welded with a circular iron wire; its diameter 〉=3 millimeter as long as can make the outer peripheral end of helical feed plate that smooth circular arc is arranged, all belong to the row of protection of the present utility model.
Claims (4)
1, a kind of variable-pitch screw feedway, comprise helical feed plate (1), conveying axis (2), carry housing (3) and bearing (4), described helical feed plate (1) is captiveed joint with conveying axis (2) and is integral, and conveying axis (2) is bearing on the conveying housing (3) by two bearings (4) with the combination of helical feed plate (1); Gap between the outward flange of helical feed plate (1) and the conveying housing (3) is even, it is characterized in that: described helical feed plate (1) variable pitch ground extends along conveying axis (2), and the outer peripheral end cross-sectional of helical feed plate is shaped as smooth circular arc.
2, according to the described variable-pitch screw feedway of claim 1, described helical feed plate (1) is gone up formed screw pitch at conveying axis (2) and is increased progressively along throughput direction, i.e. t
1＜t
2＜t
3＜... t
n, the cross-sectional cross sectional shape of helical feed plate (1) is a curved surface, and along the axis direction bending of throughput direction to conveying axis (2).
3, according to claim 1 or 2 described variable-pitch screw feedways, the outer peripheral end cross-sectional of described helical feed plate is shaped as the circular arc flange.
4, according to claim 1 or 2 described variable-pitch screw feedways, be welded with a circular iron wire, its diameter 〉=3 millimeter along the outer peripheral end of described helical feed plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02202738 CN2537685Y (en) | 2002-01-30 | 2002-01-30 | Pitch variable screw conveyer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02202738 CN2537685Y (en) | 2002-01-30 | 2002-01-30 | Pitch variable screw conveyer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2537685Y true CN2537685Y (en) | 2003-02-26 |
Family
ID=33685174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02202738 Expired - Fee Related CN2537685Y (en) | 2002-01-30 | 2002-01-30 | Pitch variable screw conveyer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2537685Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100436290C (en) * | 2003-04-09 | 2008-11-26 | 王力 | Equipment for coaxially-conveying viscous material by using elastic blades |
| CN104444154A (en) * | 2014-12-05 | 2015-03-25 | 重庆德固科技有限公司 | Screw wheel structure |
-
2002
- 2002-01-30 CN CN 02202738 patent/CN2537685Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100436290C (en) * | 2003-04-09 | 2008-11-26 | 王力 | Equipment for coaxially-conveying viscous material by using elastic blades |
| CN104444154A (en) * | 2014-12-05 | 2015-03-25 | 重庆德固科技有限公司 | Screw wheel structure |
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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 |