CN106005916A - Screw conveyor with large conveying capacity - Google Patents
Screw conveyor with large conveying capacity Download PDFInfo
- Publication number
- CN106005916A CN106005916A CN201610346040.0A CN201610346040A CN106005916A CN 106005916 A CN106005916 A CN 106005916A CN 201610346040 A CN201610346040 A CN 201610346040A CN 106005916 A CN106005916 A CN 106005916A
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- CN
- China
- Prior art keywords
- conveying
- helical axis
- sleeve
- shaft
- conveying sleeve
- 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
-
- 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
- B65G33/32—Adaptations of bearings or couplings for supporting and connecting screws
Abstract
The invention provides a screw conveyor with large conveying capacity. The screw conveyor comprises a motor, a coupling, a rotary shaft, a cylindrical conveying sleeve, a conical conveying sleeve, a first screw shaft and a second screw shaft. Screw blades are fixed to the outer surface of the first screw shaft and the outer surface of the second screw shaft correspondingly. One end of the first screw shaft is fixedly mounted at the output end of the rotary shaft, and the other end of the first screw shaft spirally extends to the outlet end of the cylindrical conveying sleeve. The first screw shaft is fixedly sleeved with the second screw shaft. The service life of the second screw blade is shorter because the second screw blade needs to squeeze materials. By adopting a split structure, there is no need to replace the whole section of screw blades, so that the using cost is lowered, and replacement is easy. Moreover, the conical structure of the conical conveying sleeve can relieve pressure borne by the screw blades, so that the service life of the screw blades is further prolonged.
Description
Technical field
The invention belongs to conveying worm field, a kind of big conveying capacity have screw conveyor shaft.
Background technology
Existing conveying worm principal security conveying material normally works, but there is a lot of problem during actual fed.When working due to conveying worm, helical blade stress is relatively big, and existing Shaftless screw conveyor uses equidistant blade, and caliber is less, and conveying capacity is less, can not meet and specifically carries requirement.
The utility model patent of Publication No. CN204847187U discloses a kind of helical feed and includes housing, what housing cross-sectional was conventional has circle or U-shaped, helical axis is spindle rotationally arranged in housing, helical axis is provided with helical blade, the blade bus of helical blade is made up of straightway and bending section, and straightway is located close to the position at helical blade edge.Its reasonable in design, by using the structure arranging bending section at blade bus, it is possible to be effectively improved the transfer efficiency of bulk cargo when vertical transport, when horizontal feed, while improving transfer efficiency, it is also possible to the problem compensating helical axis deformation to a certain extent.Being limited by said structure, the blade pitch of this conveying worm immobilizes, it is impossible to realizes conveying worm and puts into section increasing injected volume at material, reduces pitch at material conveying end and extrude the conveying requirement of check-valves.
The utility model patent of Publication No. CN204872604U discloses a kind of helical feed, and including housing, reductor is connected with shaft coupling, and shaft coupling is connected with bearing, and bearing is connected with spirochetal one end, and spirillum is arranged in housing.Being arranged over upper feeding mouth at housing, be provided with discharging opening in the lower section of housing, upper feeding mouth and discharging opening are symmetricly set on spirochetal two ends, and upper feeding mouth is arranged near bearing.Being provided with matching used axle sleeve in the periphery of bearing, axle sleeve is arranged in housing, and the joining place between axle sleeve and housing is provided with sealing device.It is equipped with abrasion-proof backing block in the inner side of upper feeding mouth and discharging opening.Its reasonable in design, has axle conveyer, simple in construction compared to traditional, designs ingenious, lightweight, reduces the power of reductor, it is easy to care and maintenance, has good practicality, can produce preferable economic benefit and social effect.Being limited by said structure, this conveying worm is when material conveying capacity is bigger, and helical blade is the most stuck, the normal conveying of impact and discharging, and conveyor blade directly contacts with material, and stress is relatively big, easily affects life-span, and dismounting and change inconvenience.
And as 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 as shown in Figure 1, blade is F by material extruding force, now F power is relatively big and directly acts on the end of described helical blade, make helical blade serious wear, shorten the service life of helical blade significantly, thus need often to change blade.
Summary of the invention
For Shortcomings in prior art, the invention provides the conveying worm of a kind of big conveying capacity.
The present invention realizes above-mentioned technical purpose by techniques below means.
The conveying worm of a kind of big conveying capacity, including motor 1, shaft coupling 2, rotary shaft 4, cylinder conveying sleeve 5, circular cone conveying sleeve 6, helical axis.The output shaft of described motor 1 is connected with shaft coupling 2, and described shaft coupling 2 is connected with the input of described rotary shaft 4.Described rotary shaft 4 is rotatably installed in the side of described feeding warehouse 13, described feeding warehouse 13 is fixedly mounted on described blending bunker 8, the opposite side of described feeding warehouse 13 is fixedly connected with described cylinder conveying sleeve 13, described cylinder conveying sleeve 5 is fixing with one end of circular cone conveying sleeve 6 to be connected, the other end of described circular cone conveying sleeve 6 is fixedly connected on porch, described blanking storehouse 14, and described blanking storehouse 14 is fixedly mounted on described blending bunker 8.Described helical blade one end is fixedly mounted on the outfan of described rotary shaft 4, and the other end of helical blade passes sequentially through described feeding warehouse 13, cylinder conveying sleeve 5, circular cone conveying sleeve 6, and extends to the entrance in described blanking storehouse 14.Feeding warehouse 13, cylinder conveying sleeve 5, circular cone conveying sleeve 6, blanking storehouse 14 connect inside each other with blending bunker 8, and material can unobstructed moving under the drive of described helical blade in the inner passage that it forms.
Further, described helical axis includes that the first helical axis 10 and the second helical axis 12, described first helical axis 10 and the second helical axis 12 outer surface are respectively and fixedly provided with helical blade；One end of described first helical axis 10 is fixedly mounted on the outfan of described rotary shaft 4, its other end is spirally extended to the port of export of described cylinder conveying sleeve 5, and described first helical axis 10 outer blade diameter is identical with the internal diameter of described cylinder conveying sleeve 5, and the lateral surface of described first helical axis 10 blade keeps tangent with the internal face of described turnbarrel 5.
Further, described first helical axis 10 is fixed by socket on described second helical axis 12, the porch in blanking storehouse 14 described in described second helical axis 12 spiral extension value always.The external diameter of described second helical axis 12 blade successively decreases along the interior radial direction of described conveying circular cone conveying sleeve 6, and the lateral surface of described second helical axis 12 blade keeps tangent with the internal face of described circular cone conveying sleeve 6.
Further, the demountable structure of the two-part of described cylinder transport tube 5 and circular cone transport tube 6, on the one hand described transport tube can be taken easily apart, thus clean described transport tube easily, on the other hand, when the blade damage of the second helical axis 10, it is also possible to conveniently take transport tube apart thus be replaced or safeguard, improve efficiency of transmission and reduce maintenance cost.
Further, described conveying worm also includes that check-valves 7, described check-valves 7 are fixedly mounted on the porch in described blanking storehouse 14.
Further, described check-valves 7 includes housing 701, sealing baffle 702, fairlead 703, axle sleeve 704 and spring 705.It is internal that described axle sleeve 704 is fixed on housing 701 by pin 707, and described fairlead 703 is fixed on housing 701 by pin 706.Described sealing baffle 702 is the circular configuration with round cavity.One end of described fairlead 703 is connected by screw 706 is fixing with axle sleeve 704, and the other end of described fairlead 703 is socketed with described sealing baffle 702.Sealing baffle 702 can move axially along described fairlead 703 such that it is able to controls opening or closing of described check-valves 7.
Further, being additionally provided with described spring 705 between described fairlead 703 and sealing baffle 702, described spring 705 one end is connected on described fairlead 702, the other end of spring 705 and described fairlead 702 end abutment.
Compared with prior art, the invention have the benefit that 1. second helical axis, due to needs pressing materials, so relatively the first helical axis is easily lost, improve its antiwear characteristic by using potassium steel to process the second helical axis；2. the second helical axis is due to needs pressing materials, and therefore service life is shorter, and uses the structure of split without changing whole section of helical blade, thus has saved use cost and has been easily changed simultaneously；3., when material extruding check valve seal baffle plate, discharging quantity can regulate voluntarily with extruding force size variation, and check-valves is fixed by screw, when check-valves is frayed, and 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 structural representation of a kind of big conveying capacity conveying worm of the present invention.
Fig. 3 is the attachment structure schematic diagram of helical blade.
Fig. 4 is the structural representation sectional view of check-valves.
Fig. 5 is the helical blade stress schematic diagram of the present invention.
Description of reference numerals is as follows: 1-motor；2-shaft coupling；3-flat key；4-rotary shaft；5-cylinder conveying sleeve；6-circular cone conveying sleeve；7-check-valves；701-housing；702-sealing baffle；703-fairlead；704-axle sleeve；705-spring；706-screw；707-pin；8-blending bunker；9-screw；10-the first helical axis；11-screw；12-the second helical axis；13-feeding warehouse；14-blanking storehouse.
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 conveying worm of a kind of big conveying capacity, including motor 1, shaft coupling 2, rotary shaft 4, cylinder conveying sleeve 5, circular cone conveying sleeve 6, helical axis.The outfan of described motor 1 is connected with shaft coupling 2, and described shaft coupling 2 is connected with the input of described rotary shaft 4 by key.Described rotary shaft 4 seals the side being rotatably installed in described feeding warehouse 13 by rubber oil sea, self-aligning roller bearing and slot.Described feeding warehouse 13 is fixedly mounted on described blending bunker 8, the opposite side of described feeding warehouse 13 is fixedly connected with described cylinder conveying sleeve 13, described cylinder conveying sleeve 5 is fixing with one end of circular cone conveying sleeve 6 to be connected, the other end of described circular cone conveying sleeve 6 is fixedly connected on porch, described blanking storehouse 14, and described blanking storehouse 14 is fixedly mounted on described blending bunker 8.Described helical blade one end is fixedly mounted on the outfan of described rotary shaft 4, the other end of helical blade passes sequentially through described feeding warehouse 13, cylinder conveying sleeve 5, circular cone conveying sleeve 6, and the entrance extending to described blanking storehouse 14 is fixed with rotary core shaft 15 and is connected.Described rotary core shaft 15 is sealed by rubber oil sea, self-aligning roller bearing and slot and is rotatably installed in described blanking storehouse 14.Feeding warehouse 13, cylinder conveying sleeve 5, circular cone conveying sleeve 6, blanking storehouse 14 connect inside each other with blending bunker 8, and material can unobstructed moving under the drive of described helical blade in the inner passage that it forms.
As in figure 2 it is shown, described helical axis includes that the first helical axis 10 and the second helical axis 12, described first helical axis 10 and the second helical axis 12 outer surface are respectively and fixedly provided with helical blade, wherein the making material of the second helical axis 12 is potassium steel.One end of described first helical axis 10 is fixedly mounted on the outfan of described rotary shaft 4, its other end is spirally extended to the port of export of described cylinder conveying sleeve 5, and described first helical axis 10 outer blade diameter is identical with the internal diameter of described cylinder conveying sleeve 5, and the lateral surface of described first helical axis 10 keeps tangent with the internal face of described turnbarrel 5.
As it is shown on figure 3, described first helical axis 10 is socketed on described second helical axis 12, and connecting by screw 11 is fixing, described second helical axis 12 is spirally extended to the porch in described blanking storehouse 14 always, and fixing with described rotary core shaft 15 is connected.The external diameter of described second helical axis 12 blade successively decreases along the radial direction of described circular cone conveying sleeve 6, and the lateral surface of described second helical axis 12 blade keeps tangent with the internal face of described circular cone conveying sleeve 6.
The demountable structure of the two-part of described cylinder conveying sleeve 5 and circular cone conveying sleeve 6, on the one hand described transport tube can be taken easily apart, thus clean described transport tube easily, on the other hand, when the blade damage of the second helical axis 12, conveniently can also take transport tube apart thus be replaced or safeguard, improve efficiency of transmission and reduce maintenance cost.
As shown in Figure 5, it is Fsin θ and radial force Fcos θ that the material resistance that the second helical axis 12 in circular cone conveying sleeve 6 is subject to can be decomposed into axial force, can obtain acting directly on the resistance on blade from accompanying drawing 5 and be only axial force F sin θ, radial force Fcos θ is cancelled each other by storeroom effect each other, thus can obtain material to act directly on the power of the second helical axis 12 and reduced, so that the abrasion of the second helical axis 12 is eased.Compared to the transport tube structure of the straight tube of the existing one-part form shown in Fig. 1, the conical structure of circular cone conveying sleeve 6 can be alleviated the pressure suffered by helical blade, thus improve the service life of helical blade further.
As in figure 2 it is shown, described conveying worm also includes that check-valves 7, described check-valves 7 are fixedly mounted on the porch in described blanking storehouse 14.
As shown in Figure 4, described check-valves 7 includes housing 701, sealing baffle 702, fairlead 703, axle sleeve 704 and spring 705.Described rotary core shaft 15 is inserted in described sealing baffle 702, fairlead 703, axle sleeve 704 the most successively；It is internal that described axle sleeve 704 is fixed on housing 701 by pin 707, one end of described fairlead 703 is connected by screw 706 is fixing with axle sleeve 704, the other end of described fairlead 703 is socketed with described sealing baffle 702, and described sealing baffle 702 is the cylindrical structural with round cavity.Sealing baffle 702 can move axially along described fairlead 703 such that it is able to controls opening or closing of described check-valves 7.
Being additionally provided with described spring 705 between described fairlead 703 and sealing baffle 702, described spring 705 is enclosed within described rotary core shaft 15.Described spring 705 one end is connected on described sealing baffle 702, and its other end is connected to the end of described fairlead 702.Described fairlead 703 is when check-valves works, during sealing baffle 702 extrusion spring 705, it is ensured that sealing baffle 702 moves along a straight line along the axial direction of fairlead 703, plays the effect of pilot seal baffle plate 702.When the extrusion force of described material is more than the elastic force of spring, described spring 705 is compressed, and described check-valves 7 is opened and carries out discharging.Described fairlead 703 and axle sleeve 704 are arranged on the both sides of housing 701, prevent conveying worm rotary shaft from beating, it is ensured that normal discharging.
Described embodiment be the present invention preferred embodiment; but the present invention is not limited to above-mentioned embodiment; in the case of without departing substantially from the flesh and blood of the present invention, any conspicuously improved, replacement or modification that those skilled in the art can make belong to protection scope of the present invention.
Claims (6)
1. the conveying worm of a big conveying capacity, it is characterised in that include motor (1), shaft coupling (2), rotary shaft (4), cylinder conveying sleeve (5), circular cone conveying sleeve (6), helical axis；The output shaft of described motor (1) is connected with shaft coupling (2), and described shaft coupling (2) is connected with the input of described rotary shaft (4)；Described rotary shaft (4) is rotatably installed in the side of feeding warehouse (13), described feeding warehouse (13) is fixedly mounted on blending bunker (8), the opposite side of described feeding warehouse (13) is fixedly connected with described cylinder conveying sleeve (5), described cylinder conveying sleeve (5) is fixing with one end of circular cone conveying sleeve (6) to be connected, the other end of described circular cone conveying sleeve (6) is fixedly connected on blanking storehouse (14) porch, and described blanking storehouse (14) is fixedly mounted on described blending bunker (8)；Described helical axis one end is fixedly mounted on the outfan of described rotary shaft (4), and the other end of helical axis passes sequentially through described feeding warehouse (13), cylinder conveying sleeve (5), circular cone conveying sleeve (6), and the entrance extending to described blanking storehouse (14) is fixed with rotary core shaft (15) and is connected, and described rotary core shaft (15) is rotatably installed in described blanking storehouse (14)；Described feeding warehouse (13), cylinder conveying sleeve (5), circular cone conveying sleeve (6), blanking storehouse (14) connect inside each other with blending bunker (8).
The conveying worm of a kind of big conveying capacity the most according to claim 1, it is characterized in that, described helical axis includes that the first helical axis (10) and the second helical axis (12), described first helical axis (10) and the second helical axis (12) outer surface are respectively and fixedly provided with helical blade；One end of described first helical axis (10) is fixedly mounted on the outfan of described rotary shaft (4), its other end is spirally extended to the port of export of described cylinder conveying sleeve (5), and described first helical axis (10) outer blade diameter is identical with the internal diameter of described cylinder conveying sleeve (5), the lateral surface of described first helical axis (10) blade keeps tangent with the internal face of described cylinder conveying sleeve (5).
The conveying worm of a kind of big conveying capacity the most according to claim 2, it is characterized in that, described first helical axis (10) is fixed by socket on described second helical axis (12), and described second helical axis (12) is spirally extended to that the porch of described blanking storehouse (14) is fixing with rotary core shaft (15) to be connected always；The external diameter of described second helical axis (12) blade radially successively decreases in described conveying circular cone conveying sleeve (6), and the lateral surface of described second helical axis (12) blade keeps tangent with the internal face of described circular cone conveying sleeve (6).
The conveying worm of a kind of big conveying capacity the most according to claim 1, it is characterised in that described conveying worm also includes that check-valves (7), described check-valves (7) are fixedly mounted on described blanking storehouse (14) porch.
The conveying worm of a kind of big conveying capacity the most according to claim 4, it is characterized in that, described check-valves (7) includes housing (701), sealing baffle (702), fairlead (703), axle sleeve (704) and spring (705)；Described rotary core shaft (15) is inserted in described sealing baffle (702), fairlead (703) and axle sleeve (704) the most successively；It is internal that described axle sleeve (704) is fixed on housing (701), one end of described fairlead (703) is fixing with axle sleeve (704) to be connected, and the other end of described fairlead (703) is socketed with described sealing baffle (702)；Sealing baffle (702) can move axially along described fairlead (703) such that it is able to controls opening or closing of described check-valves (7).
The conveying worm of a kind of big conveying capacity the most according to claim 4, it is characterized in that, being additionally provided with described spring (705) between described fairlead (703) and sealing baffle (702), described spring 705 is enclosed within described rotary core shaft (15)；Described spring (705) one end is connected on described sealing baffle (702), and the other end of spring (705) is connected to described fairlead (703) end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610346040.0A CN106005916B (en) | 2016-05-23 | 2016-05-23 | A kind of screw conveyor of big conveying capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610346040.0A CN106005916B (en) | 2016-05-23 | 2016-05-23 | A kind of screw conveyor of big conveying capacity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106005916A true CN106005916A (en) | 2016-10-12 |
| CN106005916B CN106005916B (en) | 2018-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610346040.0A Active CN106005916B (en) | 2016-05-23 | 2016-05-23 | A kind of screw conveyor of big conveying capacity |
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| Country | Link |
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| CN (1) | CN106005916B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106516606A (en) * | 2016-11-22 | 2017-03-22 | 无锡锡东能源科技有限公司 | Single-screw feeder |
| CN106705107A (en) * | 2016-11-22 | 2017-05-24 | 无锡锡东能源科技有限公司 | Screw feeder |
| CN106829354A (en) * | 2017-02-27 | 2017-06-13 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of conveyor screw device with sealing function and its application |
| CN107187895A (en) * | 2017-06-20 | 2017-09-22 | 新乡市东振机械制造有限公司 | A kind of seal-off pressure discharger |
| CN107934413A (en) * | 2017-12-20 | 2018-04-20 | 长沙矿冶研究院有限责任公司 | A kind of underwater coarse granule mineral screw(-type) feeder |
| CN109110409A (en) * | 2017-06-23 | 2019-01-01 | 天津邬金机械设备有限公司 | Segmented spiral apparatus for feeding |
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| CN104071536A (en) * | 2014-07-11 | 2014-10-01 | 黄晓黎 | Hanging bearing assembly of spiral conveyor |
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| CN204713929U (en) * | 2015-06-05 | 2015-10-21 | 深圳市爱地环境技术开发有限公司 | Vacuum screw feeding device |
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| CN205771584U (en) * | 2016-05-23 | 2016-12-07 | 南京艾尔康威物料输送系统有限公司 | A kind of conveying worm of big conveying capacity |
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| CN2883266Y (en) * | 2006-02-23 | 2007-03-28 | 西安蓝鑫建材新技术有限公司 | Tapered spiral feeder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106516606A (en) * | 2016-11-22 | 2017-03-22 | 无锡锡东能源科技有限公司 | Single-screw feeder |
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| CN106829354A (en) * | 2017-02-27 | 2017-06-13 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of conveyor screw device with sealing function and its application |
| CN106829354B (en) * | 2017-02-27 | 2023-08-18 | 中国石油天然气集团有限公司 | Conveying screw device with sealing function and application thereof |
| CN107187895A (en) * | 2017-06-20 | 2017-09-22 | 新乡市东振机械制造有限公司 | A kind of seal-off pressure discharger |
| CN109110409A (en) * | 2017-06-23 | 2019-01-01 | 天津邬金机械设备有限公司 | Segmented spiral apparatus for feeding |
| CN107934413A (en) * | 2017-12-20 | 2018-04-20 | 长沙矿冶研究院有限责任公司 | A kind of underwater coarse granule mineral screw(-type) feeder |
| CN107934413B (en) * | 2017-12-20 | 2024-03-22 | 长沙矿冶研究院有限责任公司 | Underwater coarse-particle mineral screw feeder |
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| CN106005916B (en) | 2018-07-27 |
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