CN109969705B - Mixed thread screw conveyer - Google Patents
Mixed thread screw conveyer Download PDFInfo
- Publication number
- CN109969705B CN109969705B CN201910333036.4A CN201910333036A CN109969705B CN 109969705 B CN109969705 B CN 109969705B CN 201910333036 A CN201910333036 A CN 201910333036A CN 109969705 B CN109969705 B CN 109969705B
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- rotating shaft
- discharging
- feeding
- pipe
- blade
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- 238000007599 discharging Methods 0.000 claims abstract description 48
- 238000000034 method Methods 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 10
- 210000001503 joint Anatomy 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 29
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000009270 solid waste treatment Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- B65G33/26—Screws
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Screw Conveyors (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a mixed thread screw conveyor, which comprises a conveying pipe, a rotating shaft arranged along the central axis of the conveying pipe and a driving module for driving the rotating shaft to rotate, wherein the driving module is connected to the rear end of the conveying pipe, a feed inlet and a first discharge outlet are arranged on the conveying pipe, a feeding screw blade is arranged on the rotating shaft, the feeding screw blade is arranged at the staggered part of the rotating shaft and the first discharge outlet, and a plurality of discharging screw blades distributed in an array manner in the circumferential direction are arranged at the part of the rotating shaft corresponding to the first discharge outlet. The spiral blade on the rotating shaft is divided into two parts, one part is a feeding spiral blade corresponding to the feeding hole, the other part is a discharging spiral blade corresponding to the first discharging hole, the feeding spiral blade is used for conveying materials to the discharging spiral blade in a spiral manner, and the plurality of discharging spiral blades can uniformly spread on the first discharging hole along the axial direction in a short time, so that the materials are uniformly and efficiently output.
Description
Technical Field
The invention relates to a screw conveyor, in particular to a mixed thread screw conveyor, and belongs to the technical field of building rubbish sand stone aggregate regeneration equipment.
Background
In the technical application fields of commercial concrete stirring, dry powder concrete stirring and solid waste treatment, it is common to realize asphalt stirring or waste material crushing recovery by using a screw conveyor to send powder.
The screw conveyor can be mainly divided into a single thread type screw conveyor and a multi-thread type screw conveyor according to the number of the blades, wherein the single thread type screw conveyor is characterized in that only one rotary blade is wound on a rotating shaft, and the multi-thread type screw conveyor is characterized in that a plurality of rotary blades are simultaneously wound on the rotating shaft.
The screw conveyor with the single-thread blades is most widely used and is easier to manufacture, but the uniformity and efficiency of discharging are not high, materials cannot be uniformly discharged from a discharging hole, are often concentrated at the front end of the discharging hole, can only be used for common material conveying, and are not suitable for working conditions with high requirements on the uniformity of discharged materials, such as conveying materials for a used material crushing separator.
The multi-thread blade screw conveyor can enable the conveying of materials in the axial direction of the discharge hole to be more uniform in a short time, can be suitable for high-requirement working conditions, for example, the crushing and separating process of the materials requires the materials to be uniformly sprayed in the rotor, but the multi-thread blade screw conveyor has a complex structure and high processing cost, and because the conveying distance is long, the distance precision between a plurality of blades and between the blades and a shell is difficult to ensure, and the phenomena of material clamping, blade deformation and motor burnout occur.
Disclosure of Invention
The invention provides a mixed thread screw conveyor which is simple in structure, easy to process and stable in performance. The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a mixed thread screw conveyer, includes the conveying pipeline, the pivot that sets up along the axis of this conveying pipeline and be used for driving the rotatory drive module of this pivot, this drive module connects the rear end at this conveying pipeline, be equipped with feed inlet and first discharge gate on this conveying pipeline, be equipped with a pay-off helical blade in this pivot, this pay-off helical blade sets up the part of staggering mutually at this pivot and this first discharge gate, this pivot is equipped with many ejection of compact helical blade of array distribution on the circumference with the corresponding part of this first discharge gate.
The spiral blade on the rotating shaft is divided into two parts, one part is a feeding spiral blade corresponding to the feeding hole, the other part is a discharging spiral blade corresponding to the first discharging hole, the feeding spiral blade is used for conveying materials to the discharging spiral blade in a spiral manner, and the plurality of discharging spiral blades can uniformly spread on the first discharging hole along the axial direction in a short time, so that the materials are uniformly and efficiently output. Because the discharge helical blade is only arranged at the position of the first discharge hole, the structure is simple, the conveyor is easy to manufacture, the material clamping phenomenon can be effectively avoided, and the operation performance is stable.
In a preferred embodiment: the feeding port is arranged in the middle of the conveying pipe, the first discharging port is arranged at the front end of the conveying pipe, the rear end of the conveying pipe is provided with a second discharging port, the feeding spiral blade extends from the rear end of the second discharging port to the rear end of the first discharging port all the time, and the driving module drives the rotating shaft to be forward or reverse. Like this, when this pivot corotation, can carry the material to first discharge gate, utilize the ejection of compact helical blade to evenly high-efficient ejection of compact, when reversing, then can carry the material to the second discharge gate, directly export from the second discharge gate. Therefore, the conveyor provided by the invention has the functions of a single-thread blade conveyor and a multi-thread blade conveyor, has dual purposes, is high in functionality, and can reduce the number of the conveyors on a production site.
In a preferred embodiment: the conveying pipe comprises a front section pipe, a middle section pipe and a rear section pipe, wherein convex teeth and grooves which are mutually embedded and inserted are arranged on the end face of the butt joint of the front section pipe and the middle section pipe, and convex teeth and grooves which are mutually embedded and inserted are arranged on the end face of the butt joint of the middle section pipe and the rear section pipe. Like this, the conveying pipeline can be processed in segments, guarantees precision and axiality, makes the distance between blade and the conveying pipeline inner wall keep the uniformity, further prevents to appear blocking the material in the transportation process.
In a preferred embodiment: the front section pipe is locked with the middle section pipe, and the middle section pipe is locked with the rear section pipe.
In a preferred embodiment: the rotary shaft is provided with two expansion sleeves, and two ends of the discharging spiral blade are respectively and fixedly connected to the two expansion sleeves. Utilize the cover installation ejection of compact helical blade that expands, simple to operate to ejection of compact helical blade can not directly paste in the pivot, and the interval of ejection of compact helical blade below can pass the material, in the rotatory in-process, the material can realize evenly distributed better more fast.
In a preferred embodiment: the rotating shaft is provided with a clamping structure corresponding to the expansion sleeve. Therefore, the expansion sleeve can be prevented from being displaced in the working process, and the position stability of the discharging spiral blade is ensured.
In a preferred embodiment: the front end face of the feeding spiral blade extends into the space between the two discharging spiral blades, or the front end face of the feeding spiral blade is in butt joint with the rear end face of one of the discharging spiral blades, or the front end face of the feeding spiral blade is flush with the rear end face of the discharging spiral blade. Therefore, the material can smoothly pass from the feeding helical blade to the discharging helical blade, and the material clamping is avoided.
In a preferred embodiment: the feeding spiral blade is fixed on the rotating shaft by adopting double-sided staggered section welding, and is manufactured by adopting a rolling forming method; the discharging spiral blade is manufactured by adopting a manual profiling method, a rolling forming method or a single-piece stretch forming method. The blade is easy to form, and the double-sided staggered section welding can effectively prevent the blade from single-sided shrinkage deformation deflection, so that the feeding stability is ensured.
In a preferred embodiment: the driving module comprises a motor and a driving shaft which are connected together in a transmission way, the driving shaft is connected with the rotating shaft in a transmission way, a connecting seat is sleeved on the driving shaft, the connecting seat is connected with the driving shaft in a transmission way through a bearing, the connecting seat seals the rear end opening of the conveying pipe, the front end of the rotating shaft is provided with a fixing seat, the fixing seat seals the front end opening of the conveying pipe, and the fixing seat is connected with the rotating shaft in a transmission way through a bearing.
In a preferred embodiment: the number of the discharging spiral blades is three.
Drawings
The invention is further described below with reference to the drawings and examples.
FIG. 1 is a schematic diagram of a hybrid thread screw conveyor according to the present invention.
Fig. 2 is a schematic diagram showing the connection of the rotating shaft and the driving shaft of the hybrid thread screw conveyor shown in fig. 1.
Fig. 3 is an enlarged view of circle a in fig. 2.
Fig. 4 is an enlarged view of circle B in fig. 2.
Detailed Description
Referring to fig. 1 to 4, a hybrid thread screw conveyor includes a feed conveying pipe 10, a rotating shaft 20 disposed along a central axis of the feed conveying pipe, and a driving module 30 for driving the rotating shaft to rotate, wherein the driving module 30 is connected to a rear end of the feed conveying pipe 10. The feed delivery pipe 10 is provided with a feed inlet 11 and a first discharge outlet 12. The rotating shaft 20 is provided with a feeding helical blade 21, and the feeding helical blade 21 is arranged at a staggered part of the rotating shaft 20 and the first discharging hole 12. The portion of the rotating shaft 20 corresponding to the first discharging hole 12 is provided with a plurality of discharging spiral blades 22 distributed in an array manner in the circumferential direction. In operation, the rotary shaft 20 drives the feeding helical blade 21 and the discharging helical blade 22 to rotate together, the material is conveyed from the feed inlet 11 to the first discharge outlet 12 through the feeding helical blade 21, the discharging helical blade 22 uniformly disperses the material, and the material is discharged from the first discharge outlet 12.
The feed inlet 11 is arranged in the middle of the conveying pipe 10, the first discharge outlet 12 is arranged at the front end of the conveying pipe, and the rear end of the conveying pipe is provided with the second discharge outlet 13. The feed screw 21 extends from the rear end of the second discharge opening 13 to the rear end of the first discharge opening 12. The driving module 30 drives the rotating shaft 20 to forward or backward, so that the materials can be discharged from the first discharging hole 12 or the second discharging hole 13.
The conveying pipe 10 comprises a front pipe, a middle pipe and a rear pipe, wherein the end face of the front pipe, which is butted with the middle pipe, is provided with convex teeth and grooves which are mutually embedded and inserted together, and the end face of the middle pipe, which is butted with the rear pipe, is provided with convex teeth and grooves which are mutually embedded and inserted together. The feed inlet 11 is arranged in the middle section pipe 14, the first discharge outlet 12 is arranged in the front section pipe 15, and the second discharge outlet 13 is provided with the rear section pipe 16. In this embodiment, the front tube 15 and the middle tube 14 are locked, the middle tube 14 and the rear tube 16 are locked, and flanges are disposed on the abutting surfaces.
The rotating shaft 20 is provided with two expansion sleeves 23, and two ends of the discharging spiral blade 22 are respectively and fixedly connected to the two expansion sleeves 23, so that a material passing gap is formed between the lower edge of the discharging spiral blade 22 and the rotating shaft. Preferably, the rotating shaft 20 is provided with a clamping structure corresponding to the expansion sleeve 23.
The front end surface of the feeding helical blade 21 extends into between two of the discharging helical blades 23, or the front end surface of the feeding helical blade 21 is in butt joint with the rear end surface of one of the discharging helical blades 23, or the front end surface of the feeding helical blade 21 is flush with the rear end surface of the discharging helical blade 23.
The feeding helical blade 21 is fixed on the rotating shaft 20 by double-sided staggered section welding. The feeding helical blade 21 is manufactured by adopting a rolling forming method, takes a strip material or a strip material as a blank, and is manufactured by enabling the blank to generate uneven longitudinal extension and deformation coordination under uneven pressure of a wedge-shaped roll gap formed by a special roller. The discharge screw blade 22 is manufactured by a manual profiling method, a rolling forming method or a single-piece stretch forming method. And (3) heating the blank, pulling the blank for a certain distance, then placing the blank on a profiling die, and repeatedly beating and bending the blank by hand after the blank is fixed, so that the blank is gradually attached along the spiral surface of the profiling die. The pitch, inner diameter and outer diameter of the feeding screw blade 21 and the discharging screw blade 22, the diameter of the rotating shaft 20 and other parameters can be set by referring to the existing screw conveyor.
The drive module 30 includes a motor 32 and a drive shaft 34 drivingly coupled together, the drive shaft 34 being drivingly coupled to the shaft 20. The driving shaft 34 is sleeved with a connecting seat 36, the connecting seat 36 is in transmission connection with the driving shaft through a bearing 38, and the connecting seat 36 seals the rear end opening of the conveying pipe 10. The front end of the rotating shaft 20 is provided with a fixed seat 24, the fixed seat 24 seals the front end opening of the conveying material 10, and the fixed seat 24 is in transmission connection with the rotating shaft 20 through a bearing 25. Bearings 25, 38 are positioned with spacers, round nuts and stop washers. And the bearing end cover is sealed by adopting a framework oil seal.
In this embodiment, the number of the discharging screw blades 22 is three. The distance between the outer edges of the feeding screw blade 21 and the discharging screw blade 22 and the inner wall of the feed conveying pipe 10 is 3mm.
The foregoing description is only illustrative of the preferred embodiments of the present invention, and therefore should not be taken as limiting the scope of the invention, for all changes and modifications that come within the meaning and range of equivalency of the claims and specification are therefore intended to be embraced therein.
Claims (6)
1. The utility model provides a mixed thread screw conveyer, includes the conveying pipeline, along the pivot of this conveying pipeline's axis setting and be used for driving this pivot rotatory drive module, this drive module connects the rear end at this conveying pipeline, is equipped with feed inlet and first discharge gate on this conveying pipeline, is equipped with a pay-off helical blade in this pivot, its characterized in that: the feeding spiral blade is arranged at the staggered part of the rotating shaft and the first discharge hole, a plurality of discharging spiral blades distributed in an array manner in the circumferential direction are arranged at the part of the rotating shaft corresponding to the first discharge hole, the feeding hole is arranged at the middle part of the conveying pipe, the first discharge hole is arranged at the front end of the conveying pipe, the rear end of the conveying pipe is provided with a second discharge hole, the feeding spiral blade extends from the rear end of the second discharge hole to the rear end of the first discharge hole, and the driving module drives the rotating shaft to forward or reverse; the rotary shaft is provided with two expansion sleeves, two ends of the discharging helical blade are respectively and fixedly connected to the two expansion sleeves, the rotary shaft is provided with a clamping structure corresponding to the expansion sleeves, and the front end face of the feeding helical blade extends into the space between the two discharging helical blades, or the front end face of the feeding helical blade is in butt joint with the rear end face of one of the discharging helical blades, or the front end face of the feeding helical blade is flush with the rear end face of the discharging helical blade.
2. The hybrid thread screw conveyor according to claim 1, wherein: the conveying pipe comprises a front section pipe, a middle section pipe and a rear section pipe, wherein convex teeth and grooves which are mutually embedded and inserted are arranged on the end face of the butt joint of the front section pipe and the middle section pipe, and convex teeth and grooves which are mutually embedded and inserted are arranged on the end face of the butt joint of the middle section pipe and the rear section pipe.
3. The hybrid thread screw conveyor according to claim 2, wherein: the front section pipe is locked with the middle section pipe, and the middle section pipe is locked with the rear section pipe.
4. The hybrid thread screw conveyor according to claim 1, wherein: the feeding spiral blade is fixed on the rotating shaft by adopting double-sided staggered section welding, and is manufactured by adopting a rolling forming method; the discharging spiral blade is manufactured by adopting a manual profiling method, a rolling forming method or a single-piece stretch forming method.
5. The hybrid thread screw conveyor according to claim 1, wherein: the driving module comprises a motor and a driving shaft which are connected together in a transmission way, the driving shaft is connected with the rotating shaft in a transmission way, a connecting seat is sleeved on the driving shaft, the connecting seat is connected with the driving shaft in a transmission way through a bearing, the connecting seat seals the rear end opening of the conveying pipe, the front end of the rotating shaft is provided with a fixing seat, the fixing seat seals the front end opening of the conveying pipe, and the fixing seat is connected with the rotating shaft in a transmission way through a bearing.
6. The hybrid thread screw conveyor according to claim 1, wherein: the number of the discharging spiral blades is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910333036.4A CN109969705B (en) | 2019-04-24 | 2019-04-24 | Mixed thread screw conveyer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910333036.4A CN109969705B (en) | 2019-04-24 | 2019-04-24 | Mixed thread screw conveyer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109969705A CN109969705A (en) | 2019-07-05 |
| CN109969705B true CN109969705B (en) | 2024-03-19 |
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ID=67085982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910333036.4A Active CN109969705B (en) | 2019-04-24 | 2019-04-24 | Mixed thread screw conveyer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109969705B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6357577B1 (en) * | 1997-04-02 | 2002-03-19 | Spirac Engineering Ab | Conveyor arrangements with multiple shaftless screws |
| CN101161569A (en) * | 2007-10-29 | 2008-04-16 | 于波涛 | Anti-block spiral conveyor |
| CN104192514A (en) * | 2014-08-19 | 2014-12-10 | 佛山市金凯地过滤设备有限公司 | High-dryness-degree material conveying device |
| CN205328055U (en) * | 2015-12-16 | 2016-06-22 | 中联重机股份有限公司 | Spiral conveyor |
| CN207827219U (en) * | 2017-12-12 | 2018-09-07 | 安徽嘉旗粮油工程技术有限公司 | A kind of multiple discharge horizontal cyclic conveyer |
| CN108910427A (en) * | 2018-07-18 | 2018-11-30 | 广州薪光合环保技术有限公司 | Screw conveyor and biomass gasification system |
| CN210682151U (en) * | 2019-04-24 | 2020-06-05 | 福建南方路面机械股份有限公司 | Mixed thread screw conveyor |
-
2019
- 2019-04-24 CN CN201910333036.4A patent/CN109969705B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6357577B1 (en) * | 1997-04-02 | 2002-03-19 | Spirac Engineering Ab | Conveyor arrangements with multiple shaftless screws |
| CN101161569A (en) * | 2007-10-29 | 2008-04-16 | 于波涛 | Anti-block spiral conveyor |
| CN104192514A (en) * | 2014-08-19 | 2014-12-10 | 佛山市金凯地过滤设备有限公司 | High-dryness-degree material conveying device |
| CN205328055U (en) * | 2015-12-16 | 2016-06-22 | 中联重机股份有限公司 | Spiral conveyor |
| CN207827219U (en) * | 2017-12-12 | 2018-09-07 | 安徽嘉旗粮油工程技术有限公司 | A kind of multiple discharge horizontal cyclic conveyer |
| CN108910427A (en) * | 2018-07-18 | 2018-11-30 | 广州薪光合环保技术有限公司 | Screw conveyor and biomass gasification system |
| CN210682151U (en) * | 2019-04-24 | 2020-06-05 | 福建南方路面机械股份有限公司 | Mixed thread screw conveyor |
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| Publication number | Publication date |
|---|---|
| CN109969705A (en) | 2019-07-05 |
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Address after: 362000 Fujian province Quanzhou Fengze District High-tech Industrial Park Sports Street No. 700 Applicant after: Fujian Nanfang pavement machinery Co.,Ltd. Address before: 362000 Fujian province Quanzhou Fengze District High-tech Industrial Park Sports Street No. 700 Applicant before: FUJIAN SOUTH HIGHWAY MACHINERY Co.,Ltd. |
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