CN105836399A - Conical shaftless screw conveyor with variable pitches - Google Patents
Conical shaftless screw conveyor with variable pitches Download PDFInfo
- Publication number
- CN105836399A CN105836399A CN201610345318.2A CN201610345318A CN105836399A CN 105836399 A CN105836399 A CN 105836399A CN 201610345318 A CN201610345318 A CN 201610345318A CN 105836399 A CN105836399 A CN 105836399A
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- CN
- China
- Prior art keywords
- transport tube
- helical blade
- circular cone
- screw conveyor
- blanking box
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/08—Screw or rotary spiral conveyors for fluent solid materials
- B65G33/14—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
- B65G33/26—Screws
- B65G33/265—Screws with a continuous helical surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Screw Conveyors (AREA)
Abstract
The invention provides a conical shaftless screw conveyor with variable pitches. The conical shaftless screw conveyor comprises a motor, a rotating shaft, a gap seal, a feed bin, a cylindrical conveying cylinder, a conical conveying cylinder, screw blades, a material falling box and a material mixing box, wherein the cylindrical conveying cylinder is fixedly connected with one end of the conical conveying cylinder; the other end of the conical conveying cylinder is fixedly connected on the material falling box; the material falling box is fixedly mounted on the material mixing box; and a second screw blade is fixedly connected with a first screw blade 13 through two bolts. According to the conical shaftless screw conveyor, a shaftless conveying structure is adopted, the conveyer can easily convey wet and pasty materials, semifluid and viscous materials, and materials which easily cause winding and blocking, and the conical shaftless screw conveyor is easy to disassemble, change and clean, and is suitable for conveying materials with special sanitary requirements; the second screw blade needs to squeeze materials, so that compared with the first screw blade, the second screw blade is liable to damage and is shorter in service life; and a spilt structure is adopted, and the entire section screw blade does not need to be changed, so that the utilization cost is reduced, and the changing is facilitated.
Description
Technical field
The present invention relates to a kind of conveying worm, particularly relate to the circular cone Shaftless screw conveyor of a kind of varying pitch.
Background technology
Conveying worm has simple in construction, manufactures low cost, the advantage such as sealing is strong, easy-to-operate.Current shaftless spiral shell
Rotation conveyer is widely used in the departments such as chemical industry, building materials, metallurgy, grain, but and has screw conveyor shaft to compare, due in shortage
Countershaft, all of stress point is all on blade, and build-up of pressure is excessive, and therefore tradition Shaftless screw conveyor blade is impaired seriously,
Need often to change.Owing to vane stress is relatively big, existing Shaftless screw conveyor uses equidistant blade, and caliber is less, conveying
Measure less, can not meet conveying requirement in some occasion.And for noncohesive dry material and small particles material, shaftless screw
Conveyer easily blocks, and affects work efficiency.
The utility model patent of existing Publication No. CN203845368U discloses a kind of high delivery precision conveying worm, including
One principal screw conveyer, on the upside of the front end of principal screw conveyer, the bottom with a main feed pipe is connected, the end of principal screw conveyer
Downside is connected with the top of a discharge nozzle, is provided with an intermediate delivery pipe, intermediate delivery pipe and one on the downside of principal screw conveyer rear portion
Being located at the secondary feed pipe on the upside of the secondary conveying worm front end below principal screw conveyer to be connected, secondary conveying worm is defeated with principal screw
Sending machine to be arranged in parallel, the end of secondary conveying worm is connected with discharge nozzle.Its reasonable in design, by setting up secondary helical feed
Machine, with principal screw conveyer cooperating, can not only need to realize quick feed according to production, and be capable of the essence of material
Really conveying, feeding error is little, thus substantially increases proportioning accuracy.But due to the restriction of said structure, there is axle helical feed
Cause its conveying capacity little, and after its blade wear, need to change whole helical axis, cause unnecessary waste.Shell cannot
Dismounting, it is impossible to the viscous material on cleaning spiral axle.
The utility model patent of Publication No. CN202011613U discloses a kind of conveying worm, including screw conveyor housing,
Charging aperture and discharging opening, described charging aperture is arranged at the bottom of screw conveyor housing, and described discharging opening is arranged at conveying worm
The top of shell, the top of described screw conveyor housing is provided with driving means, described driving means connects in having spiral
Axle, described spiral internal axle sleeve is loaded in screw conveyor housing, is fixedly connected with feed auger mechanism, institute in described spiral on axle
Stating feed auger mechanism axis direction of axle along spiral and extend to outside charging aperture, its simple in construction, charging aperture can easily enter whole
Completing to carry operation in heap Bulk Grain, easy to use, conveying capacity is big, and transfer efficiency is high, and its charging aperture can easily enter whole heap and dissipate
To complete to carry operation in grain, but simultaneously because the bulk deposition of Bulk Grain, it is easy to cause porch to block, and blade wear is tight
Whole replacing helical axis is needed after Chong.
And as it is shown in figure 1, the transport tube of conveying worm of the prior art is the straight tube structure of one-part form, its stress is such as
Shown in Fig. 1, blade is F by material extruding force, and now F power is relatively big and directly acts on the end of described helical blade, makes
Helical blade serious wear, shortens the service life of helical blade significantly, thus needs often to change blade.
Summary of the invention
For the deficiency that Shaftless screw conveyor blade wear is serious, conveying capacity is little present in prior art, the invention provides
A kind of circular cone Shaftless screw conveyor of varying pitch.
The present invention is to realize above-mentioned technical purpose by techniques below means.
The circular cone Shaftless screw conveyor of a kind of varying pitch, including motor 1, rotary shaft 7, slot sealing 9, feeding warehouse 12, circle
Cylinder transport tube 14, circular cone transport tube 16, helical blade, feeding warehouse 12, blanking box 19 and mixer 20；Described motor 1
Outfan is connected with shaft coupling 2, and described shaft coupling 2 is connected with the input of described rotary shaft 7 by key 3；Described rotary shaft
7 seal 9 sides being rotatably mounted on described feeding warehouse 12 by rubber oil sea 4,6, self-aligning roller bearing 5,8 and slot；
Described feeding warehouse 12 is fixedly mounted on described mixer 20, and it is defeated that the opposite side of described feeding warehouse 12 is fixedly connected with described cylinder
Sending cylinder 14, described cylinder transport tube 14 is fixing with one end of circular cone transport tube 16 to be connected, another of described circular cone transport tube 16
End is fixedly connected in described blanking box 19, and described blanking box 19 is fixedly mounted on described mixer 20；Described helical blade
One end is fixedly mounted on the outfan of described rotary shaft 7, and the other end of helical blade passes sequentially through described feeding warehouse 12, cylinder
Transport tube 14, circular cone transport tube 16, and extend to the entrance of described blanking box 19；Feeding warehouse 12, cylinder transport tube
14, circular cone transport tube 16, blanking box 19 connect inside each other with mixer 20.
Further, described helical blade includes the first helical blade 13 and the second helical blade 17, described first helical blade
One end of 13 is fixedly mounted on the outfan of described rotary shaft 7, and its other end is spirally extended to going out of described cylinder transport tube 14
Mouth end, and the diameter of described first helical blade 13 is identical with the internal diameter of described cylinder transport tube 14, described first helical-blade
The lateral surface of sheet 13 keeps tangent with the internal face of described cylinder transport tube 14.
Further, described second helical blade 17 is connected by two screws 21,22 are fixing with described first helical blade 13,
The entrance of blanking box 19 described in described second helical blade 17 spiral extension value always；The diameter of described second helical blade 17 prolongs
The radial direction described circular cone transport tube 16 is successively decreased, and the lateral surface of described second helical blade 17 keeps carrying with described circular cone
The internal face of cylinder 16 is tangent.
Further, described conveying worm also includes that check-valves 18, described check-valves 18 are arranged on entering of described blanking box 19
At Kou.
Further, described check-valves 18 includes left valve 26, right valve 27, long spiro nail 24,28 and torsion spring 23,24,29,
30, described left valve 26 runs through insertion two long spiro nails 24,28, described long spiro nail with the dual-side relative to each other of right valve 27
The end of thread be fixed in the screwed hole at described blanking box 19 top.
Further, described left valve 26 and the right respective long spiro nail of valve 27 also it is set with two torsion springs 23,24,29,30,
Described one end abuts described valve 26,27, and the other end is connected on the sidewall of described blanking box 19；Described left valve 26
Can rotate for axle with respective long spiro nail respectively with right valve 27, thus reach the effect opened or closed；When being in
When the extruding force of the material of hopper 19 arrival end is more than the elastic force of torsion spring 23,24,29,30, described left valve 26 and right valve
Can open for 27.
Further, 3.5 times of the pitch that pitch is the second helical blade 17 of section the first helical blade 13 are thrown at material.
Compared with prior art, the invention have the benefit that 1. due to use shaftless conveying structure, this conveyer is prone to defeated
Send wet and pasty material, semifluid and viscous material, be easily wound around and susceptible to plugging material, and be prone to change clear, be suitable for
Conveying has the material of special hygienic requirements；2. the second helical blade is due to needs pressing materials, thus easy compared with the first helical blade
Loss, improves its antiwear characteristic by using potassium steel to process helical blade two；3. the second helical blade is due to needs extruding
Material, therefore service life is shorter, and uses the structure of split without changing whole section of helical blade, thus has saved use cost
It is easily changed simultaneously；4., when material extruding check valve seal baffle plate, discharging quantity can regulate voluntarily with extruding force size variation, and
And check-valves fixed by screw, when check-valves is frayed, convenient disassembly.
Accompanying drawing explanation
Fig. 1 is the transport tube force analysis figure of the straight tube structure of one-part form of the prior art.
Fig. 2 is the conveying worm front view of big conveying capacity.
Fig. 3 is helical blade coupling part A direction view.
Fig. 4 is check-valves B-B view.
Fig. 5 is cone force analysis comparison diagram.
In figure: 1. motor, 2. shaft coupling, 3. key, 4. rubber oil sea, 5. self-aligning roller bearing, 6. rubber oil sea, 7. rotation
Rotating shaft, 8. self-aligning roller bearing, 9. slot seal, 10. screw, 11. screws, 12. feeding warehouses, 13. first helical blades,
14. cylinder transport tubes, 15. bolts, 16. circular cone transport tubes, 17. second helical blades, 18. check-valves, 19. blanking box,
20. mixers, 21. bolts, 22. bolts, 23. torsion springs, 24. screws, 25. torsion springs, 26. left valves, 27. right valves,
28. screws, 29. torsion springs, 30. torsion springs.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further illustrated, but protection scope of the present invention is not limited to
This.
The circular cone Shaftless screw conveyor of a kind of varying pitch, including motor 1, rotary shaft 7, slot sealing 9, feeding warehouse 12, circle
Cylinder transport tube 14, circular cone transport tube 16, helical blade, feeding warehouse 12, blanking box 19 and mixer 20.Described motor 1
Outfan is connected with shaft coupling 2, and described shaft coupling 2 is connected with the input of described rotary shaft 7 by key 3.Described rotary shaft
7 seal 9 sides being rotatably mounted on described feeding warehouse 12 by rubber oil sea 4,6, self-aligning roller bearing 5,8 and slot.
Described feeding warehouse 12 is fixedly mounted on described mixer 20, and it is defeated that the opposite side of described feeding warehouse 12 is fixedly connected with described cylinder
Sending cylinder 14, described cylinder transport tube 14 is fixing with one end of circular cone transport tube 16 to be connected, another of described circular cone transport tube 16
End is fixedly connected in described blanking box 19, and described blanking box 19 is fixedly mounted on described mixer 20.Described helical blade
One end is fixedly mounted on the outfan of described rotary shaft 7, and the other end of helical blade passes sequentially through described feeding warehouse 12, cylinder
Transport tube 14, circular cone transport tube 16, and extend to the entrance of described blanking box 19.Feeding warehouse 12, cylinder transport tube
14, circular cone transport tube 16, blanking box 19 connect inside each other with mixer 20, and material can be in the drive of described helical blade
Under unobstructed moving in the inner passage that it forms.
As Figure 2-3, described helical blade includes the first helical blade 13 and the second helical blade 17, described first helical-blade
One end of sheet 13 is fixedly mounted on the outfan of described rotary shaft 7, and its other end is spirally extended to described cylinder transport tube 14
The port of export, and the diameter of described first helical blade 13 is identical with the internal diameter of described cylinder transport tube 14, described first spiral
The lateral surface of blade 13 keeps tangent with the internal face of described cylinder transport tube 14.
Described second helical blade 17 is connected by two screws 21,22 are fixing with described first helical blade 13, and described second
The entrance of blanking box 19 described in helical blade 17 spiral extension value always.The diameter of described second helical blade 17 is along described circle
The radial direction of cone transport tube 16 is successively decreased, and the lateral surface of described second helical blade 17 keep with described circular cone transport tube 16 interior
Wall is tangent.
Material is squeezed into described blanking box 19 due to needs by described second helical blade 17, and the second helical blade 17 is subject to
Pressure ratio the first helical blade 13 is big, and the most impaired seriously service life is the shortest, thus often near blanking box 19
One end helical blade is the worst.The material of described second helical blade 17 is potassium steel, can significantly improve the second helical blade 17
Antiwear characteristic.And the first helical blade 13 makes helical blade two be subject to second this dismountable structure of helical blade 17
Change more convenient after damage, and avoid simply because one end helical blade of close blanking box 19 first damages and changes whole helical-blade
Sheet, thus save material and reduce use cost.
Described cylinder transport tube 14 and dismountable structure of the two-part of circular cone transport tube 16, on the one hand can take apart easily
Described transport tube, thus clean described transport tube easily, on the other hand, when the second helical blade 17 damages, it is also possible to side
Just take apart thus be replaced or safeguard, improve efficiency of transmission and reduce maintenance cost.
As it is shown in figure 5, the material resistance that the second helical blade 17 in circular cone transport tube 16 is subject to can be decomposed into axial force it is
Fsin θ and radial force Fcos θ, can obtain acting directly on the resistance on blade from accompanying drawing and be only axial force F sin θ, footpath
Cancelled each other by storeroom effect each other to power Fcos θ, thus can obtain material and act directly on the power of the second helical blade 17
Reduced, so that the abrasion of the second helical blade 17 is eased.Straight compared to the existing one-part form shown in Fig. 1
The transport tube structure of cylinder, the structure of circular cone transport tube 16 can be alleviated the pressure suffered by helical blade, thus improve spiral further
The service life of blade.
As shown in Figure 4, described conveying worm also includes that check-valves 18, described check-valves 18 are arranged on described blanking box 19
Porch.Described check-valves 18 includes left valve 26, right valve 27, long spiro nail 24,28 and torsion spring 23,24,29,30,
Described left valve 26 runs through insertion two long spiro nails 24,28, the spiral shell of described long spiro nail with the dual-side relative to each other of right valve 27
Stricture of vagina end is fixed in the screwed hole at described blanking box 19 top.Described left valve 26 also overlaps on the right respective long spiro nail of valve 27
Equipped with two torsion springs 23,24,29,30, described one end abuts described valve 26,27, and the other end is connected to described blanking box
On the sidewall of 19.Described left valve 26 can rotate with respective long spiro nail for axle respectively with right valve 27, thus reaches
The effect opened or closed.When the extruding force of the material being in blanking box 19 arrival end is more than the elastic force of torsion spring 23,24,29,30
Time, described left valve 26 then can be opened with right valve 27.By the actual torsion spring needing to select that there is suitable elasticity power, then
The unlocking condition of check-valves can be controlled easily.
Additionally, the conveying capacity computing formula of Shaftless screw conveyor is:
Wherein: φ is filling coefficient of abrasives, D is blade diameter, and B is maximum pitch, and b is minimum pitch, and n is rotating speed/(r/min).
At 3.5 times of the pitch that pitch is the second helical blade 17 of material input section the first helical blade 13, can effectively increase
Conveying capacity.
Described embodiment be the present invention preferred embodiment, but the present invention is not limited to above-mentioned embodiment, without departing substantially from this
In the case of the flesh and blood of invention, any conspicuously improved, replacement or modification that those skilled in the art can make are equal
Belong to protection scope of the present invention.
Claims (7)
1. the circular cone Shaftless screw conveyor of a varying pitch, it is characterised in that include motor (1), rotary shaft (7), rotation gap
Seam seals (9), feeding warehouse (12), cylinder transport tube (14), circular cone transport tube (16), helical blade, blanking box (19)
With mixer (20)；The outfan of described motor (1) is connected with shaft coupling (2), described shaft coupling (2) by key 3 with
The input of described rotary shaft (7) connects；Described rotary shaft (7) passes through rubber oil sea (4,6), self-aligning roller bearing (5,8)
And rotation slot seals (9) and is rotatably mounted on the side of described feeding warehouse (12)；Described feeding warehouse (12) is fixedly mounted on institute
Stating on mixer (20), the opposite side of described feeding warehouse (12) is fixedly connected with described cylinder transport tube (14), described cylinder
Transport tube (14) is fixing with one end of circular cone transport tube (16) to be connected, and the other end of described circular cone transport tube (16) is fixing even
Being connected in described blanking box (19), described blanking box (19) is fixedly mounted on described mixer (20)；Described helical-blade
Sheet one end is fixedly mounted on the outfan of described rotary shaft (7), and the other end of helical blade passes sequentially through described feeding warehouse
(12), cylinder transport tube (14), circular cone transport tube (16), and extend to the entrance of described blanking box (19)；Enter
Feed bin (12), cylinder transport tube (14), circular cone transport tube (16), blanking box (19) connect inside each other with mixer (20)
Logical.
The circular cone Shaftless screw conveyor of a kind of varying pitch the most according to claim 1, it is characterised in that described helical-blade
Sheet includes the first helical blade (13) and the second helical blade (17), one end fixed installation of described first helical blade (13)
At the outfan of described rotary shaft (7), its other end is spirally extended to the port of export of described cylinder transport tube (14), and institute
The diameter stating the first helical blade (13) is identical with the internal diameter of described cylinder transport tube (14), described first helical blade (13)
Lateral surface keep tangent with the internal face of described cylinder transport tube (14).
The circular cone Shaftless screw conveyor of a kind of varying pitch the most according to claim 2, it is characterised in that described second spiral shell
Vane sheet (17) is connected by two screws (21,22) and described first helical blade (13) are fixing, described second helical-blade
The entrance of blanking box (19) described in sheet (17) spiral extension value always；The diameter of described second helical blade (17) is along institute
The radial direction stating circular cone transport tube (16) is successively decreased, and the lateral surface of described second helical blade (17) keeps defeated with described circular cone
The internal face sending cylinder (16) is tangent.
The circular cone Shaftless screw conveyor of a kind of varying pitch the most according to claim 1, it is characterised in that described spiral transferring
Check-valves (18), described check-valves (18) are arranged on the porch of described blanking box (19) to send machine also to include.
The circular cone Shaftless screw conveyor of a kind of varying pitch the most according to claim 4, it is characterised in that described check-valves
(18) left valve (26), right valve (27), long spiro nail (24,28) and torsion spring (23,24,29,30), a described left side are included
Valve (26) runs through insertion two long spiro nails (24,28) with the dual-side relative to each other of right valve (27), described long spiro nail
The end of thread is fixed in the screwed hole at described blanking box (19) top.
The circular cone Shaftless screw conveyor of a kind of varying pitch the most according to claim 5, it is characterised in that described left valve
(26) and being also set with two torsion springs (23,24,29,30) on right valve (27) respective long spiro nail, described one end supports
Connecing described valve 26,27, the other end is connected on the sidewall of described blanking box (19)；Described left valve (26) and right valve
(27) can rotate for axle with respective long spiro nail respectively, thus reach the effect opened or closed；When being in blanking box
(19), when the extruding force of the material of arrival end is more than the elastic force of torsion spring (23,24,29,30), described left valve (26) is with right
Valve (27) then can be opened.
The circular cone Shaftless screw conveyor of a kind of varying pitch the most according to claim 2, it is characterised in that throw at material
3.5 times of the pitch that pitch is the second helical blade (17) of section the first helical blade (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610345318.2A CN105836399A (en) | 2016-05-23 | 2016-05-23 | Conical shaftless screw conveyor with variable pitches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610345318.2A CN105836399A (en) | 2016-05-23 | 2016-05-23 | Conical shaftless screw conveyor with variable pitches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105836399A true CN105836399A (en) | 2016-08-10 |
Family
ID=56594108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610345318.2A Pending CN105836399A (en) | 2016-05-23 | 2016-05-23 | Conical shaftless screw conveyor with variable pitches |
Country Status (1)
| Country | Link |
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| CN (1) | CN105836399A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109250405A (en) * | 2018-11-22 | 2019-01-22 | 湖南行者环保科技有限公司 | A kind of closed feeding device |
| CN112196274A (en) * | 2020-09-22 | 2021-01-08 | 李诗义 | Conveying screw of spiral concrete sprayer for building construction |
| CN113560168A (en) * | 2021-07-31 | 2021-10-29 | 苏州凯利洁环保科技有限公司 | Domestic waste grading collection device and collection system |
| US11680379B2 (en) | 2019-02-15 | 2023-06-20 | Douglas Dynamics, L.L.C. | Spreader with shaftless auger |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4321944A (en) * | 1979-10-13 | 1982-03-30 | Gustav F. Gerdts Kg | Check valve |
| US4445533A (en) * | 1981-08-13 | 1984-05-01 | Allegheny Valve Company | Air check valve assembly for powdered bulk product transport |
| US5611268A (en) * | 1992-09-26 | 1997-03-18 | Hamilton; Robin | Compactor with expanding and contracting nozzle |
| CN201301125Y (en) * | 2008-08-21 | 2009-09-02 | 钱尧翎 | Shaftless helical blade |
| CN102241322A (en) * | 2010-05-11 | 2011-11-16 | 江苏清溢环保设备有限公司 | Spiral medicine addition device |
| CN203428439U (en) * | 2013-09-02 | 2014-02-12 | 轻工业杭州机电设计研究院 | Full-sealed type screw feeder |
| CN203778025U (en) * | 2014-02-25 | 2014-08-20 | 浙江明天机械有限公司 | Feeding device of dry granulator |
| CN204416470U (en) * | 2015-02-03 | 2015-06-24 | 浙江中科兴环能设备有限公司 | A kind of Shaftless screw conveyor |
-
2016
- 2016-05-23 CN CN201610345318.2A patent/CN105836399A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4321944A (en) * | 1979-10-13 | 1982-03-30 | Gustav F. Gerdts Kg | Check valve |
| US4445533A (en) * | 1981-08-13 | 1984-05-01 | Allegheny Valve Company | Air check valve assembly for powdered bulk product transport |
| US5611268A (en) * | 1992-09-26 | 1997-03-18 | Hamilton; Robin | Compactor with expanding and contracting nozzle |
| CN201301125Y (en) * | 2008-08-21 | 2009-09-02 | 钱尧翎 | Shaftless helical blade |
| CN102241322A (en) * | 2010-05-11 | 2011-11-16 | 江苏清溢环保设备有限公司 | Spiral medicine addition device |
| CN203428439U (en) * | 2013-09-02 | 2014-02-12 | 轻工业杭州机电设计研究院 | Full-sealed type screw feeder |
| CN203778025U (en) * | 2014-02-25 | 2014-08-20 | 浙江明天机械有限公司 | Feeding device of dry granulator |
| CN204416470U (en) * | 2015-02-03 | 2015-06-24 | 浙江中科兴环能设备有限公司 | A kind of Shaftless screw conveyor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109250405A (en) * | 2018-11-22 | 2019-01-22 | 湖南行者环保科技有限公司 | A kind of closed feeding device |
| US11680379B2 (en) | 2019-02-15 | 2023-06-20 | Douglas Dynamics, L.L.C. | Spreader with shaftless auger |
| CN112196274A (en) * | 2020-09-22 | 2021-01-08 | 李诗义 | Conveying screw of spiral concrete sprayer for building construction |
| CN113560168A (en) * | 2021-07-31 | 2021-10-29 | 苏州凯利洁环保科技有限公司 | Domestic waste grading collection device and collection system |
| CN113560168B (en) * | 2021-07-31 | 2022-08-05 | 苏州凯利洁环保科技有限公司 | Domestic waste grading collection device and collection system |
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Application publication date: 20160810 |